Plural Requests (e.g., Retries) Patents (Class 455/510)
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Patent number: 8554153Abstract: A method and control device for generating a transmit power level for a communication apparatus for operation in a wireless communication network having a network node. The control device comprises a controller adapted to generate a request message for requesting access to a communication channel, to be transmitted to the network node. The control device is also adapted to determine whether access to the communication channel has been granted in response to the request message. A transmit power control unit is adapted to generate a transmit power level for the communication apparatus in dependence of whether access to the communication channel has been granted.Type: GrantFiled: July 5, 2006Date of Patent: October 8, 2013Assignee: Telefonaktiebolaget L M Ericsson (publ)Inventor: Jacobus Haartsen
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Publication number: 20130225221Abstract: In accordance with an example embodiment of the present invention, an apparatus comprising a transmitter configured to transmit a message releasing radio resource, a receiver configured to receive one or more requests for acquisition of at least part of the released radio resource and a controller configured to defer grant of any request for radio resource acquisition if more than a predetermined number of requests is received within a predetermined time window.Type: ApplicationFiled: April 23, 2010Publication date: August 29, 2013Applicant: NOKIA CORPORATIONInventor: Markus Nentwig
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Patent number: 8521102Abstract: A tunneling control method and apparatus for a coordinated multi-point transmission, and a method of transmitting data, are provided. The tunneling control method and the data transmission method may minimize a time delay that occurs because of the coordinated multi-point transmission between base stations.Type: GrantFiled: August 6, 2010Date of Patent: August 27, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hyo Sun Hwang, Ji Hoon Lee, Jong Bu Lim, Hyun Ho Choi
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Patent number: 8521201Abstract: The present invention provides a multi-iteration based channel assignment optimization method and a channel assignment optimization apparatus. The channel assignment optimization method comprises a channel assignment optimization path searching phase and a channel switching phase. During the channel assignment optimization path searching phase, the IBS negotiates with neighboring base stations so as to detect a channel assignment optimization path through multiple iterations. Merely after successfully detecting a feasible channel assignment optimization path, IBS and its neighboring base stations initiate a channel switching process, such that useless channel switching may be avoided. Besides, in order to avoid the problem of incapability of timely convergence during the iteration process, a threshold of iteration times is preset.Type: GrantFiled: January 11, 2010Date of Patent: August 27, 2013Assignee: Alcatel LucentInventors: Jigang Qiu, Feng Yang, Binyang Xu
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Patent number: 8515391Abstract: In one embodiment, a scheme is provided for customization of a mobile communications device's data session retry mechanism in a wireless packet data service network. Upon detecting that a cause code has been returned by a node disposed in a wireless packet data service network, a structure is interrogated to determine if the cause code is mapped to a flag relating to the device's data session retry mechanism. Responsive to determining that the received cause code is mapped as a critical cause code, the data session retry mechanism of the mobile communications device is disabled so that further signaling messages towards the network are prevented.Type: GrantFiled: June 8, 2009Date of Patent: August 20, 2013Assignee: Research In Motion LimitedInventors: Jean-Philippe Cormier, Thomas Leonard Trevor Plestid, Ian Simpson, Arun Munje
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Publication number: 20130178239Abstract: Spectrum that will become venue-protected in the future is made available to radio devices by a central control system with which the radio devices requests spectrum access information for use in wireless communication. The central control system establishes a re-request time duration specified in an amount of time that will elapsed at or before the spectrum becomes protected.Type: ApplicationFiled: January 9, 2012Publication date: July 11, 2013Inventors: Robin U. Roberts, Peter Stanforth, Joel T. Rannebarger
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Patent number: 8451821Abstract: A method for a user equipment to perform a random access to a network in a mobile communication system includes transmitting a random access preamble to the network; receiving a medium access control packet data unit (MAC PDU) via a downlink shared channel, wherein the MAC PDU comprises one or more sub headers in a first part of the MAC PDU and one or more random access responses in a second part of the MAC PDU subsequent to the first part, and wherein the random access responses include first uplink resource allocation information; transmitting a first uplink data based on the first uplink resource allocation information in one of the random access responses; and transmitting a second uplink data based on second uplink resource allocation information when the second uplink resource allocation information is received via a downlink control channel.Type: GrantFiled: March 1, 2012Date of Patent: May 28, 2013Assignee: LG Electronics Inc.Inventors: Young Dae Lee, Sung Duck Chun, Myung Cheul Jung, Sung Jun Park
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Patent number: 8433352Abstract: An access node (e.g., BSC, RNC) and a method are described herein for implementing a traffic allocation technique and improving a success rate of a connection setup for an access terminal. In addition, a wireless telecommunication system is described herein which includes an access node (e.g., BSC, RNC), and one or more radio sites (e.g., BTSs), wherein an access terminal is located within a radio coverage area of one of the radio sites, and wherein the access node is configured to implement a traffic allocation technique and is further configured to improve a success rate of a connection setup for the access terminal.Type: GrantFiled: June 22, 2011Date of Patent: April 30, 2013Assignee: Telefonaktiebolaget L M Ericsson (publ)Inventor: Miroslav Budic
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Patent number: 8433353Abstract: Method of communication, on a radio channel in a network comprising a plurality of telecommunications nodes with which are associated respective values of a metric, including emitting, from a first node, a request on the radio channel, and subsequent to the receipt of the request by at least one second node, emitting a response message with a delay determined as a function of the metric value associated with said second node.Type: GrantFiled: June 19, 2007Date of Patent: April 30, 2013Assignee: France TelecomInventors: Thomas Watteyne, Abdelmalik Bachir, Michael Dohler, Isabelle Auge-Blum
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Patent number: 8422957Abstract: Intra-cell upstream data forwarding is utilized in a wireless network such as a wireless local area network. A network forwarding path is determined based on the signal strength of an access point signal received at client stations within the network, referred to as the OASS. In particular embodiments, a station that is either originating or forwarding a frame inserts its own OASS into the frame before transmitting it and a client station that receives a frame forwards it only if its own OASS exceeds the frame-enclosed OASS, illustratively by at least a predetermined amount.Type: GrantFiled: June 27, 2011Date of Patent: April 16, 2013Assignee: AT&T Intellectual Property II, L.P.Inventor: Lusheng Ji
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Patent number: 8417212Abstract: Methods for providing emergency service to a mobile vehicle are disclosed herein. One method involves monitoring a network country code broadcast from a communications network provider and comparing the network country code with a list of country codes stored in the telematics unit. This method further includes determining where to direct an emergency call by the telematics unit based on the comparing. Another method involves notifying a telematics service provider of a need for emergency services and, in response to a denial for the services, monitoring the network country code broadcast and comparing the network country code with the list of country codes to determine where to direct the emergency call. Yet another method involves notifying a telematics service provider of a need for emergency services and, in response to a denial for the services, automatically notifying another service provider of the same.Type: GrantFiled: May 18, 2010Date of Patent: April 9, 2013Assignee: General Motors LLCInventors: Lawrence D. Cepuran, Matthew G. Przybylski, David A. Holt
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Patent number: 8374587Abstract: A method of modifying a call setup message for a call from a first terminal to a second terminal, the call setup message being sent from the first terminal to a network node via an intermediate node which handles at least some signaling or traffic associated with the call, wherein the network node is responsible for negotiating call setup requirements for the call to the second terminal, the method comprising the steps of: intercepting the call setup message at the intermediate node; identifying one or more preferences or capabilities associated with the intermediate node which may impact the way in which the intermediate node can handle signaling or traffic associated with the call; modifying the call setup message based on information relating to said preferences or capabilities; and sending the modified call setup message to the network node, in order that the node can effect said negotiations based on the modified message.Type: GrantFiled: July 30, 2008Date of Patent: February 12, 2013Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Dirk Kampmann, Henning Buhr, Karl Hellwig
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Patent number: 8364188Abstract: Disclosed is a method and apparatus for allocating a set of frequency bands to a plurality of access points. The method includes generating an interference map associated with the set of frequency bands and associated with the plurality of access points. The method includes aggregating a plurality of demands to produce an aggregate demand. Each of the plurality of demands associated with one of the plurality of access points. The method includes dynamically allocating the set of frequency bands to each of the plurality of access points based on the interference map and the aggregate demand.Type: GrantFiled: June 4, 2010Date of Patent: January 29, 2013Assignee: Alcatel LucentInventors: Vikram Srinivasan, Supratim Deb
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Patent number: 8351844Abstract: A system and method communicates commands from a command originator to receiving devices, yet the receiving devices do not confirm receipt of the command. The most current command (e.g. the one with the highest sequence number) is rebroadcast by the command originator and the receiving devices, tending to be more frequent upon detection of an event indicating that the most current command was not received by at least one other device, and less frequently upon detection of an event indicating that the most current command was provided with sufficient duplication that if another device could receive it, the device likely did receive it, subject to a maximum and minimum rate.Type: GrantFiled: July 16, 2012Date of Patent: January 8, 2013Assignee: Cisco Technology, Inc.Inventors: Alec Woo, David E Culler
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Patent number: 8350676Abstract: Provided are an RFID operating system and an RFID system operating method for allowing multiple RFID readers to read tags without collision. The RFID system operating method includes the steps of grouping RFID readers spaced apart by more than a spacing distance capable of avoiding collision between RFID readers into a single group to determine at least one group, classifying RPM readers included in each group into at least one sub-group based on a read time of each RFID reader, and driving the RFID readers such that RPM readers belonging to at least two different sub-groups that do not collide with each other simultaneously operate. According to the present invention, switching is performed sub-group by sub-group to reduce the number of switching operations and sub-groups can simultaneously operate to decrease a read time.Type: GrantFiled: September 12, 2008Date of Patent: January 8, 2013Assignee: EMW Co., Ltd.Inventors: Byung Hoon Ryou, Won Mo Sung, You Ho Kim, Seung Up Seo, Young Soo Jang, Ha Sun Na, Bong Suk Choi
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Patent number: 8351371Abstract: A method and apparatus for minimizing redundant enhanced uplink (EU) allocation requests and fault-isolating EU transmission failures that occur between a wireless transmit/receive unit (WTRU) and a Node-B. The WTRU transmits an enhanced dedicated channel (E-DCH) allocation request to the Node-B over an uplink (UL) EU channel. In one embodiment, if E-DCH allocation cannot be provided within a predetermined time period, the Node-B sends an acknowledgement message to the WTRU via a downlink (DL) EU signaling channel without sending E-DCH allocation information. The request is queued in the Node-B and the WTRU refrains from transmitting the same request until after the time period expires or resources become available. In another embodiment, appropriate actions are taken to correct EU transmission failures by determining whether an E-DCH allocation request was unsuccessfully delivered via the UL EU channel or whether channel allocation information was unsuccessfully delivered via the DL EU signaling channel.Type: GrantFiled: April 26, 2005Date of Patent: January 8, 2013Assignee: InterDigital Technology CorporationInventors: Stephen E. Terry, Guodong Zhang, Stephen G. Dick
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Patent number: 8351936Abstract: A communication terminal apparatus that exhibits a shorter time period required until a start of communication and causes the throughput in the wireless communication system to be less reduced. In this apparatus, when the number, N, of retransmissions notified by a response determining part (107) is zero, a subchannel-to-be-used selecting part (108) selects a subchannel, among others, which exhibits the highest order one of the reception qualities of the subchannels notified by a reception quality determining part (106), and then notifies the selected subchannel to a subchannel allocating part (113).Type: GrantFiled: May 26, 2011Date of Patent: January 8, 2013Assignee: Panasonic CorporationInventor: Akihiko Nishio
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Patent number: 8320312Abstract: The present invention is a method and system adapted to facilitate, between a mobile station (MS) and network, an indication of support for reduced time transmission interval (RTTI). The MS can provide a base station system (BSS) with an indication of its multislot capability within an access burst sent at the start of a contention based access. In another aspect, the MS can indicate support for a new Immediate Assignment message as the conventional Immediate Assignment message can only assign single timeslots. The present invention enables the Radio Access Network (RAN) to assign RTTI and more than one timeslot for GPRS/EDGE temporary block flows (TBFs) during an Access Grant Channel (AGCH) assignment. The method of the present invention can be implemented in a computer program product or distributed software adapted to be loaded into at least one or a plurality of memory locations and executed by at least one or a plurality of respective computer processors.Type: GrantFiled: October 4, 2007Date of Patent: November 27, 2012Assignee: Telefonaktiebolaget LM Ericssson (publ)Inventors: Andreas Olsson, Håkan Axelsson, John Diachina, Peter Östrup
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Patent number: 8320952Abstract: A mobile station (201) receives (301) a transmission from a remote source (such as, but not limited to, a reference server (206)) comprising information regarding downloadable content. This information can comprise, in a preferred approach, addresses that can be used to download corresponding selections of downloadable content. This information can further comprise, in a preferred approach, characterizing information regarding at least some of the downloadable content selections identified via such addresses. In a preferred approach, such a mobile station can then also access (302) locally developed information regarding downloading constraints of interest and then make determinations (303) regarding when to automatically download at least a portion of at least one of the selections of downloadable content as a function, at least in part, of both the characterizing information as was received via the aforementioned transmission and the locally developed information regarding relevant downloading constraints.Type: GrantFiled: July 25, 2005Date of Patent: November 27, 2012Assignee: Motorola Mobility LLCInventors: Rohit Chaudhri, Jay R. Almaula, Tzvetan T. Horozov, Michael D. Pearce, Venugopal Vasudevan
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Patent number: 8315658Abstract: A method of allocating radio resources in a wireless communication system is disclosed. A method of allocating radio resources from a network of a wireless communication system in accordance with a plurality of scheduling modes comprises transmitting first scheduling information to a user equipment to allocate radio resources to the user equipment in accordance with a first scheduling mode, the first scheduling information including a first user equipment identifier, and transmitting second scheduling information to the user equipment to allocate radio resources to the user equipment in accordance with a second scheduling mode, the second scheduling information including a second user equipment identifier.Type: GrantFiled: June 24, 2011Date of Patent: November 20, 2012Assignee: LG Electronics Inc.Inventors: Sung Duck Chun, Young Dae Lee, Sung Jun Park, Seung June Yi
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METHOD, APPARATUS, AND SYSTEM FOR INITIALIZING COGNITIVE SYSTEM SUPPORTED BY COGNITIVE PILOT CHANNEL
Publication number: 20120270588Abstract: The present invention discloses a method, an apparatus, and a system for initializing a cognitive system supported by a cognitive pilot channel, where implementation of the method includes: sending a frequency initialization request message to a CPC AP; receiving a frequency initialization response message sent by the CPC AP, where the frequency initialization response message includes CPC private resource description information; broadcasting cognitive information of a base station and description information of an uplink access channel to a terminal over a channel specified in the CPC private resource description information; receiving cognitive information of the terminal over CPC private resources, deciding a work frequency according to the cognitive information of the terminal, and sending the decided work frequency to the terminal; establishing, on the decided work frequency, a link with the terminal. .Type: ApplicationFiled: June 13, 2012Publication date: October 25, 2012Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lei GONG, Guang LIU -
Patent number: 8274915Abstract: A wireless communications system comprising at least one network station and a plurality of subscriber stations. As part of a network access procedure, a number of the subscriber stations selecting a time slot from a plurality of predefined time slots and transmitting an individual code to the network station in the selected time slot. At the network station, receiving and decoding the codes and broadcasting a preliminary decoding status report to the subscriber stations and broadcasting a detailed decoding status report associated with each time slot in which one or more codes were decoded successfully. At a subscriber station which transmitted a code, identifying successful decoding if the preliminary decoding status indicator associated with the time slot in which subscriber station transmitted its code comprises a positive indicator, and if the detailed decoding status report associated with that positive indicator identifies the code transmitted by the subscriber station.Type: GrantFiled: August 19, 2009Date of Patent: September 25, 2012Assignee: Fujitsu LimitedInventor: Yanling Lu
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Patent number: 8275401Abstract: A mobile device sends to a wireless network a request for establishing a service. In response to a rejection of the request, the device reattempts the request so long as the total number of requests is less than a predetermined value. When the total number of rejected requests is greater than or equal to the predetermined value, the device selects a different wireless network with which to establish the communication service if the wireless network is a non-home network. Otherwise, if the wireless network is the home network, the mobile device runs a timer which is initialized with an internal timer value instead of a network timer value when the internal timer value is less than the network timer value. In response to an expiration of the timer, the mobile device sends to the wireless network another one or more requests for establishing the service.Type: GrantFiled: January 13, 2012Date of Patent: September 25, 2012Assignee: Research In Motion LimitedInventors: Jayasri Gunaratnam, Bryan Taylor, Bao Quoc Nguyen, Hugh Hind, Noushad Naqvi, Darcy Richard Phipps, Craig Ian Haight Swann
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Patent number: 8271011Abstract: A method for a response device in an audience response system having a plurality of response devices to wirelessly communicate bulk data includes transmitting a signal and receiving data indicating to the response device to transmit data requests. The method further includes transmitting data request signals, and receiving at least data describing the bulk data in response to a first data request signal and at least a portion of the bulk data in response to a second data request signal.Type: GrantFiled: August 9, 2010Date of Patent: September 18, 2012Assignee: Turning Technologies, LLCInventor: Jonathan A Hallsten
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Method and apparatus for increasing coherent integration length while receiving a positioning signal
Patent number: 8254512Abstract: A receiving method and apparatus for increasing coherent integration length while receiving a positioning signal from transmitters such as GPS satellites. In order to compensate for frequency drifts that may occur in the positioning signal, a hypothesis is made as to the frequency drift, which is inserted into the receiving algorithm. Advantageously, the length of coherent integration can be increased at the expense of reducing the length of incoherent integration while keeping the total integration length the same, the net effect of which is an increase in signal detection sensitivity. The frequency drift hypothesis has any appropriate waveform; for example, approximately linear or exponential.Type: GrantFiled: November 17, 2004Date of Patent: August 28, 2012Assignee: QUALCOMM IncorporatedInventors: Peter Gaal, Christopher Patrick -
Patent number: 8249610Abstract: A method for admission control of control plane signaling requests includes receiving a signaling request. Upon receipt of the signaling connection request, a first determination is performed to determine whether to provide admission to common resources. When the first determination is negative, a second determination is performed to determine whether to provide admission to dedicated resources. When the second determination is negative, the signaling request is rejected. When the second determination is positive, the request is admitted to dedicated resources. When the first determination is positive, a third determination is performed to determine whether the quality of the signaling request is high or low. If the quality of the request is high, the signaling request is admitted to common resources. When the quality is low, a fourth determination is performed to determine whether to provide admission to dedicated resources.Type: GrantFiled: November 24, 2010Date of Patent: August 21, 2012Assignee: InterDigital Technology CorporationInventor: Christopher R. Cave
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Patent number: 8249636Abstract: A wireless device detects for an adverse channel condition, which may be (1) a frequent out of service (FOOS) condition indicative of frequent in and out of service or (2) an unbalanced forward/reverse link condition indicative of unbalanced coverage for the forward and reverse links. A FOOS condition may be detected based on an average in-service time, the number of lost system connections, the number of systems to which connections have been made, the rate of change for the systems, the altitude of the wireless device, and/or other parameters. An unbalanced forward/reverse link condition may be detected based on the average in-service time, the number of system access failures, and/or other parameters. The wireless device performs at least one action to conserve battery power if an adverse channel condition is detected. The action(s) may include performing system acquisition less frequently, disabling system registration, performing registration less frequently, and/or going to sleep.Type: GrantFiled: March 28, 2006Date of Patent: August 21, 2012Assignee: QUALCOMM IncorporatedInventors: Alex Kuang-Hsuan Tu, Virat Deepak
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Patent number: 8228837Abstract: A network device may select between two or more network connections based on a determination of whether the network device can access general Internet resources via an available, higher-preference network without providing additional (e.g., OSI Model Layer Seven) login credentials. In one example, a network device includes a first network interface configured to maintain a connection to a first network gateway, a second network interface configured to connect to a second, different network gateway upon determining that the second network gateway is both available and preferable over the first network gateway, and means for determining whether a remote network resource is currently accessible via the second network gateway. When the remote network resource is accessible via the second network gateway, the second network interface maintains the connection to the second network gateway.Type: GrantFiled: September 8, 2010Date of Patent: July 24, 2012Assignee: Google Inc.Inventors: Irfan Sheriff, Robert Greenwalt, Winthrop Saville
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Patent number: 8224235Abstract: A system and method communicates commands from a command originator to receiving devices, yet the receiving devices do not confirm receipt of the command. The most current command (e.g. the one with the highest sequence number) is rebroadcast by the command originator and the receiving devices, tending to be more frequent upon detection of an event indicating that the most current command was not received by at least one other device, and less frequently upon detection of an event indicating that the most current command was provided with sufficient duplication that if another device could receive it, the device likely did receive it, subject to a maximum and minimum rate.Type: GrantFiled: November 29, 2010Date of Patent: July 17, 2012Assignee: Cisco Technology, Inc.Inventors: Alec Woo, David E Culler
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Patent number: 8223713Abstract: A method for transmitting radio resources in a mobile communication system is disclosed. The method includes receiving a random access channel (RACH) preamble from a plurality of UEs and transmitting response information associated with the received preambles over a common channel wherein the plurality UEs can access the common channel and receive corresponding information. If a HARQ scheme is used when a UE transmits data to the eNode-B using uplink radio resources allocated over the RACH, the eNode-B does not pre-allocate uplink radio resources required for re-transmission and performs allocation of radio resources for a first transmission of HARQ. If the re-transmission is required, the eNode-B allocates the radio resources required for the re-transmission with the NACK signal. If re-transmission is not required, the present invention can reduce an amount of wasted radio resources.Type: GrantFiled: October 12, 2010Date of Patent: July 17, 2012Assignee: LG Electronics Inc.Inventors: Young Dae Lee, Sung Duck Chun, Myung Cheul Jung, Sung Jun Park
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Patent number: 8199694Abstract: This invention discloses a method for switching SO (Service Option) to circuit data, including the following steps: step 1, a mobile station notifies a source BS (Base Station) and/or a target BS to switch SO to circuit data during a session; step 2, the source BS and/or the target BS negotiates with a mobile switching subsystem about switching SO to circuit data, and determines the bearer format parameters of the session through the negotiation; step 3, the source BS and/or the target BS makes a secondary service negotiation with the mobile station after the negotiation with the mobile switching subsystem succeeds; and step 4, after the negotiation with the mobile station succeeds, the source BS and/or the target BS conducts user interface service layer encapsulation on the circuit data according to a certain load format, and then transmits the encapsulated Real Time Transfer Protocol packets to the other BS.Type: GrantFiled: December 13, 2006Date of Patent: June 12, 2012Assignee: ZTE CorporationInventors: Zhihui Zhang, Bifeng Xie, Donghua Lu, Jian Cao, Wanchun Zhang
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Patent number: 8175052Abstract: A method for transmitting radio resources in a mobile communication system is disclosed. The method includes receiving a random access channel (RACH) preamble from a plurality of UEs and transmitting response information associated with the received preambles over a common channel wherein the plurality UEs can access the common channel and receive corresponding information. If a HARQ scheme is used when a UE transmits data to the eNode-B using uplink radio resources allocated over the RACH, the eNode-B does not pre-allocate uplink radio resources required for re-transmission and performs allocation of radio resources for a first transmission of HARQ. If the re-transmission is required, the eNode-B allocates the radio resources required for the re-transmission with the NACK signal. If re-transmission is not required, the present invention can reduce an amount of wasted radio resources.Type: GrantFiled: October 12, 2010Date of Patent: May 8, 2012Assignee: LG Electronics Inc.Inventors: Young Dae Lee, Sung Duck Chun, Myung Cheul Jung, Sung Jun Park
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Patent number: 8169945Abstract: A network device may select between two or more network connections based on a determination of whether the network device can access general Internet resources via an available, higher-preference network without providing additional (e.g., OSI Model Layer Seven) login credentials. In one example, a network device includes a first network interface configured to maintain a connection to a first network gateway, a second network interface configured to connect to a second, different network gateway upon determining that the second network gateway is both available and preferable over the first network gateway, and means for determining whether a remote network resource is currently accessible via the second network gateway. When the remote network resource is accessible via the second network gateway, the second network interface maintains the connection to the second network gateway.Type: GrantFiled: September 30, 2011Date of Patent: May 1, 2012Assignee: Google Inc.Inventors: Irfan Sheriff, Robert Greenwalt, Winthrop Saville
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Patent number: 8126491Abstract: A mobile station re-tries initiating a call after a previous failure of a call to that number due to poor air interface signal communication. When the mobile station detects such a call failure, it records in memory an indication of the call failure and the number that was called. Once the mobile station has found and registered with a base station with which it is determined that good signal communication can be established, the presence of a call failure indication in memory causes the processing logic to direct the mobile station to re-try the failed call.Type: GrantFiled: January 19, 2007Date of Patent: February 28, 2012Assignee: AT&T Mobility II LLCInventor: Yung Shirley Choi-Grogan
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Patent number: 8121637Abstract: A system and method for establishing and maintaining an “always-on” data connection to a wireless network through the use of a back off timer and a service check timer is disclosed. The back off timer is initialized to a determined value when a connection is not established. When the timer expires, a connection attempt is made. As further connection attempts are made, the back off timer is set to ever-increasing values. When the data connection is established, the service check timer is initialized. The data connection status is determined at the expiry of the service check timer. When, at the expiry of the service check timer, the data connection is determined to be lost, the connection method is employed.Type: GrantFiled: October 15, 2010Date of Patent: February 21, 2012Assignee: Research In Motion LimitedInventors: Wen Zhao, Shahid R. Chaudry, T. L. Trevor Plestid, Hao Xue, Grace T. Y. Yeung, Clifford W. Yanoshewski
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Patent number: 8107985Abstract: In one illustrative method, a method in a mobile station for use in reducing delays for data communications is described. The mobile station causes a request for packet data service to be sent to a wireless communication network. If the request for the packet data service is denied in response to the request, then the mobile station is set in a deregistered state. In addition, the mobile station initializes a timer with an initial value that is less than a periodic location update timer value which is broadcasted by the wireless communication network, and runs the timer. In response to an expiration of the timer, the mobile station causes another request for the packet data service to be sent to the wireless communication network.Type: GrantFiled: June 10, 2010Date of Patent: January 31, 2012Assignee: Research In Motion LimitedInventors: Jayasri Gunaratnam, Noushad Naqvi, Bryan Taylor, Craig Ian Haight Swann, Darcy Richard Phipps, Hugh Hind, Bao Quoc Nguyen
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Patent number: 8086240Abstract: A data communication system wherein four independent frequencies provide for transmissions between a communication controller and at least one node including a first node. The four independent frequencies include: an aligning signal sent on a first frequency, a request signal in a slot allocated to a first node for transmitting reserved request sent on a second frequency, a authorization signal sent on a third frequency and data packets sent over a fourth frequency. In addition, data packets sent over the data communication system can include information related to a count value and termination indication information for determining whether the message has been completely received.Type: GrantFiled: July 6, 2007Date of Patent: December 27, 2011Assignee: GPNE Corp.Inventors: Gabriel K. Wong, Po S. Tsui
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Publication number: 20110300891Abstract: Disclosed is a method and apparatus for allocating a set of frequency bands to a plurality of access points. The method includes generating an interference map associated with the set of frequency bands and associated with the plurality of access points. The method includes aggregating a plurality of demands to produce an aggregate demand. Each of the plurality of demands associated with one of the plurality of access points. The method includes dynamically allocating the set of frequency bands to each of the plurality of access points based on the interference map and the aggregate demand.Type: ApplicationFiled: June 4, 2010Publication date: December 8, 2011Applicant: Alcatel-Lucent India LimitedInventors: Supratim Deb, Vikram Srinivasan
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Patent number: 8068788Abstract: The present method adds uplink data to a transmission request sent to the base station from the mobile station for obtaining permission for data transmission, or to a channel establishment request sent from the mobile station to the base station for establishing a channel in order to send the transmission request therethrough. This makes it possible to suppress delay caused by negotiation prior to actual uplink data transmission as much as possible, thereby realizing efficient uplink data transmission, that is, improved throughput of uplink communication.Type: GrantFiled: September 15, 2005Date of Patent: November 29, 2011Assignee: Fujitsu LimitedInventors: Yoshiharu Tajima, Hideto Furukawa, Kazuo Kawabata, Yoshihiro Kawasaki, Kazuhisa Obuchi
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Patent number: 8050276Abstract: An apparatus comprising an input circuit to receive packets of data from a network. A wireless output circuit transmits respective ones of the packets of data wirelessly to one or more wireless clients. A wireless input circuit receives wireless signals from the one or more wireless clients. An output circuit transmits one or more predetermined packets repeatedly to the network on behalf of one of the wireless clients in response to a respective one of the wireless signals received by the wireless input circuit from the one of the wireless clients.Type: GrantFiled: June 8, 2006Date of Patent: November 1, 2011Assignee: Marvell International Ltd.Inventors: Paramesh Gopi, Nafea Bishara
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Patent number: 8014805Abstract: A mobile station accesses a base station by randomly selecting a first reverse link common control channel from a set of random access channels. The mobile station transmits a request portion of an access probe over the first reverse link common control channel. The request portion is subject to collision with other signals. The request portion comprises a hash identification which is derived from a uniquely identifying number using a hash function. The hash identification quasi-uniquely identifies the mobile station. The mobile station receives a channel assignment message from the base station designating the hash identification and a reserved access channel. The reserved access channel provides communication with a low probability of contention. The mobile station transmits a message portion of the access probe over the reserved access channel.Type: GrantFiled: February 5, 2009Date of Patent: September 6, 2011Assignee: QUALCOMM IncorporatedInventors: Serge Willenegger, Rod J. Walton, Vieri Vanghi
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Patent number: 8014783Abstract: Communicating between a plurality of nodes includes sensing spectrum activity on at least one channel; generating spectrum awareness data based at least in part on the sensed spectrum activity; determining at least one selected bearer based on the spectrum awareness data; negotiating among nodes to select at least one bearer based on various spectral use criteria.Type: GrantFiled: November 10, 2006Date of Patent: September 6, 2011Assignee: Powerwave Cognition, Inc.Inventors: Scott Y. Seidel, Mohiuddin Ahmed
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Patent number: 8010105Abstract: A scheme for facilitating accelerated network selection by a wireless user equipment (UE) device. In one exemplary embodiment, prior to performing a full band scan, the wireless UE device is operable to interrogate a list of networks with which the wireless UE device has registered at least once in a given period of time, wherein a network availability likelihood score may be associated with each of the list of networks. A particular network is selected from the list of networks based on its network availability likelihood score.Type: GrantFiled: May 18, 2007Date of Patent: August 30, 2011Assignee: Research In Motion LimitedInventors: Adrian Buckley, Michael J. Crowley
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Patent number: 7990939Abstract: Information transmitting arrangements for transmitting information through a plurality of base stations from a master station to a plurality of slave stations which communicate with the base stations.Type: GrantFiled: September 17, 2010Date of Patent: August 2, 2011Assignee: Hitachi, Ltd.Inventors: Daigo Takayanagi, Shiro Mazawa, Yosuke Takahashi, Akihiko Yoshida
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Patent number: 7983619Abstract: Intra-cell upstream data forwarding is utilized in a wireless network such as a wireless local area network. A network forwarding path is determined based on the signal strength of an access point signal received at client stations within the network, referred to as the OASS. In particular embodiments, a station that is either originating or forwarding a frame inserts its own OASS into the frame before transmitting it and a client station that receives a frame forwards it only if its own OASS exceeds the frame-enclosed OASS, illustratively by at least a predetermined amount.Type: GrantFiled: December 8, 2009Date of Patent: July 19, 2011Assignee: AT&T Intellectual Property II, L.P.Inventor: Lusheng Ji
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Patent number: 7974623Abstract: A communication terminal apparatus that exhibits a shorter time period required until a start of communication and causes the throughput in the wireless communication system to be less reduced. In this apparatus, when the number, N, of retransmissions notified by a response determining part (107) is zero, a subchannel-to-be-used selecting part (108) selects a subchannel, among others, which exhibits the highest order one of the reception qualities of the subchannels notified by a reception quality determining part (106), and then notifies the selected subchannel to a subchannel allocating part (113).Type: GrantFiled: July 30, 2010Date of Patent: July 5, 2011Assignee: Panasonic CorporationInventor: Akihiko Nishio
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Patent number: 7970385Abstract: A method and system is disclosed for reactively managing dropped calls in a wireless communication system. A mobile station determines that it has experienced a dropped call. In response, the mobile station allows a user to continue communicating, such as by recording the user's speech, for instance. The mobile station may then play out the recorded speech to the user or to another call participant, such as upon reestablishment of the call.Type: GrantFiled: March 16, 2010Date of Patent: June 28, 2011Assignee: Sprint Spectrum L.P.Inventor: Durga Prasad Satapathy
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Patent number: 7962133Abstract: A method and apparatus for provisioning a physical link to a service provider is disclosed whereby physical link information in a carrier network is store, in one embodiment, in a database within the carrier network or, in another embodiment, in a database shared by a carrier and a service provider. In response to a request from the service provider for the use of the physical link, physical link information and network management information associated is retrieved from that database. In one embodiment, this information is sent directly from the carrier via in-band signaling. In another embodiment, the information is retrieved from the shared database and is transmitted via out-of-band signaling. In accordance with yet another embodiment, messages exchanged between service providers and carriers comprise digital certificates that are used to verify the identity of the providers and carriers.Type: GrantFiled: December 18, 2009Date of Patent: June 14, 2011Assignee: AT&T Intellectual Property II, L.P.Inventors: Guy Euget, Jean-Francois Pennec
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Patent number: 7953428Abstract: Excessive quality in the receiving apparatus is controlled to obtain the combined gain by distinctively controlling the re-transmission for the first transmission. A transmitting apparatus for transmitting the data to a receiving apparatus to execute regeneration of data using, for example, the received data and the re-transmitted data, comprises a control unit operable to receive an indication that an error has been detected in received data transmitted in a first transmission, to re-transmit the data in a second transmission, and to control resources for re-transmission of the data to use fewer resources for the second transmission than for the first transmission.Type: GrantFiled: February 28, 2005Date of Patent: May 31, 2011Assignee: Fujitsu LimitedInventors: Masahiko Shimizu, Akira Ito
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Patent number: 7941154Abstract: A method for providing, in a communication network including at least a first and a second set of resources, a service to users of at least a first and a second type. The users of the first type are in a condition to be provided said service only by means of said first set of resources, while the users of the second type are in a condition to be provided said service both by means of the first set of resources and by means of the second set of resources. The method includes the steps of detecting during at least one time interval, the total number of requests for service coming from said users, identifying within the total number the fraction of requests adapted to be met only by means of the first set of resources, identifying at least one parameter representative of said fraction, and providing the service to the users of the second type by means of the second set of resources as a function of the at least one parameter.Type: GrantFiled: April 19, 2004Date of Patent: May 10, 2011Assignee: Telecom Italia S.p.A.Inventors: Andrea Barbaresi, Paolo Goria