Having Space Switch As Intermediate Stage (e.g., T-s-t, T-s-s, Or S-s-t) Patents (Class 370/370)
  • Patent number: 9946651
    Abstract: A microprocessor comprises a cache including a tag array; a tag pipeline that arbitrates access to the tag array; and a pattern detector. The pattern detector comprises a register; a decoder that decodes transaction type identifiers of tagpipe arbs advancing through the tag pipeline; and an accumulator that accumulates into the register the transaction type identifiers of a plurality of tagpipe arbs that advance through the tag pipeline.
    Type: Grant
    Filed: December 13, 2014
    Date of Patent: April 17, 2018
    Assignee: VIA ALLIANCE SEMICONDUCTOR CO., LTD
    Inventors: Rodney E. Hooker, Douglas R. Reed
  • Patent number: 9760655
    Abstract: Systems and methods for identifying entities sharing a temporal pattern using bipartite graphs are described. In one embodiment, a method includes identifying a temporal pattern in a sequence of bipartite graphs for a sequence of records involving two entity types, where records of the sequence of bipartite graphs vary according to time. An embodiment may color code the edges between entity types in the sequence of bipartite graphs according to the at least one temporal pattern identified (e.g., increasing sales between a business representative and a customer). An embodiment may therefore identify a time-based relationship between at least two entities according to the coded edges. Given the identification of entities having a time-based relationships, groups of these entities may be identified and trends may be derived therefrom (e.g., increasing sales for business units of a particular geographic region).
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: September 12, 2017
    Assignee: International Business Machines Corporation
    Inventors: Manoj Kumar Agarwal, Sumit Negi, L. Venkata Subramaniam, Oliver Markus Vogel
  • Patent number: 9754684
    Abstract: In an Error Correction Code (ECC)-based memory, a Single Error Correction Double Error Detection (SECDED) scheme is used with data aggregation to correct more than one error in a memory word received in a memory burst. By completely utilizing the Hamming distance of the SECDED (128,120) code, 8 ECC bits can potentially correct one error in 120 data bits. Each memory burst is effectively “expanded” from its actual 64 data bits to 120 data bits by “sharing” additional 56 data bits from all of the other related bursts. When a cache line of 512 bits is read, the SECDED (128,120) code is used in conjunction with all the received 64 ECC bits to correct more than one error in the actual 64 bits of data in a memory word. The data mapping of the present disclosure translates to a higher rate of error correction than the existing (72,64) SECDED code.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chaohong Hu, Hongzhong Zheng, Prashant Jayaprakash Nair
  • Patent number: 9686788
    Abstract: Certain aspects of the present disclosure propose techniques for transmitting uplink transmissions in special subframes for LTE TDD systems. Certain aspects provide a method that generally includes determining a region of uplink transmissions in uplink pilot timeslot (UpPTS), wherein the UpPTS comprises three or more symbols allocated for uplink transmissions, and transmitting in the UpPTS.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: June 20, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Shuping Chen, Yan Li, Mingkai Nan, Wanshi Chen
  • Patent number: 9338765
    Abstract: Disclosed is a terminal apparatus in which: a decoding section (210) that stores, in a retransmission buffer, downlink data transmitted by each of the plurality of component carriers and decodes the downlink data; and a radio transmitting section (222) that transmits, using a first component carrier of the plurality of component carriers, a response signal for first downlink data received using the first component carrier and a response signal for second downlink data received using a second component carrier of the plurality of component carriers. In addition, a second buffer is divided into regions respectively corresponding to retransmission processes based on a specific value determined by a combination of a first configuration pattern that is set in the first component carrier and a second configuration pattern that is set in the second component carrier.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: May 10, 2016
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Toru Oizumi, Akihiko Nishio
  • Patent number: 9215707
    Abstract: Methods and systems are provided for prioritizing time-division multiplexed communications resources at a femtocell. A femtocell initially provides time-division-multiplexed wireless service to a plurality of wireless communication devices (WCDs) using a first number of slots per cycle, each WCD in the plurality having at least one assigned slot. During the first time period, the femtocell detects a trigger. Responsive to detecting the trigger, the femtocell, in a second time period, switches to providing service using a second number of slots per cycle, the second number being less than the first number, such that a first WCD in the plurality does not have an assigned slot.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: December 15, 2015
    Assignee: Sprint Spectrum L.P.
    Inventors: Muralidhar Malreddy, Ryan S. Talley, Rajveen Narendran
  • Patent number: 9137003
    Abstract: The present invention discloses a transmission method with multi-carrier aggregation, which includes: performing uplink and downlink configurations for each of the component carriers aggregated in a cell and ensuring coexistence of at least one identical uplink sub-frame and at least one identical downlink sub-frame between at least two of the component carriers and compliance of the configuration of at least one of the component carriers with an uplink and downlink configuration of R8; and transmitting the uplink and downlink configuration of any one of the component carriers and those of the other component carriers aggregated with the any one component carrier to an LTE-A UE accessing the corresponding component carrier. The invention further provides a transmission device with multi-carrier aggregation. With the invention, uplink and downlink configurations in an LTE-A system can be performed to accommodate a demand of a TDD system.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: September 15, 2015
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Xueming Pan, Guojun Xiao, Yu Ding, Shiqiang Suo, Shaohui Sun
  • Patent number: 9137787
    Abstract: In one aspect, the teachings herein provide a method and apparatus for extending certain HARQ feedback procedures introduced in LTE Rel-10, which were defined for CA configurations involving TDD serving cells of the same UL/DL configuration, to the new, more complex CA configurations introduced in Rel-11, which involve the aggregation of interband TDD serving cells with differing UL/DL configurations. Such reuse enables reliant and efficient HARQ feedback signaling in LTE Rel-11, without substantially increasing the specification or implementation complexity of HARQ feedback signaling in LTE Rel-11, despite the decidedly more complex CA configurations introduced in LTE Rel-11.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: September 15, 2015
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Daniel Larsson, Jung-Fu Cheng, Erik Eriksson, Mattias Frenne
  • Patent number: 8908669
    Abstract: Time division multiplexed input signals (i.e., separated into time slots) are spread in each time slot with a destination code. This spreading is applied for destination identification as opposed to signal information modulation. Each spreading signal is associated with a particular destination for a particular time slot. These spread signals are then combined on a code division bus. Output signals for retransmission to the destinations are recovered from the bus by application of despreading codes. Each despread signal has a destination code which appears in its individual time slot. In a variant code division multiplexed signals are directed to a destination by use of time slot interchanger to achieve time division switching to route the CDMA multiplexed channels.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: December 9, 2014
    Assignee: AT&T Intellectual Property II, L.P.
    Inventor: Diakoumis Parissis Gerakoulis
  • Patent number: 8880760
    Abstract: In one aspect a memory module storing a plurality of packets is provided. A self organizing heap contains elements associated with each of the packets. The self organizing heap reorders the packets based on packet passing rules. In another aspect, a plurality of elements associated with packets is provided. Each element includes a state machine. The state machine operates in accordance with packet passing rules. The state machine reorders the packets by selective swapping of adjacent elements.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: November 4, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Derek Alan Sherlock, Matthew B Lovell
  • Patent number: 8761161
    Abstract: Techniques reliably provide the switchover from a default MDT to the data MDT by using reliable signaling and reliable building of a data MDT. The message notifying of the pending switchover to the data MDT is reliably sent using signaling that is reliable. Also, the switchover from the default MDT to the data MDT does not happen until all egress routers have responded to the message. Egress routers join the data MDT if associated receivers are interested in receiving the multicast stream from a source. The router does not send another response upstream until all egress routers downstream from it respond to the message in the positive or the negative.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: June 24, 2014
    Assignee: Cisco Technology, Inc.
    Inventors: Arjen Boers, Ijsbrand Wijnands, Nidhi Bhaskar
  • Patent number: 8750252
    Abstract: A method and device for transmitting a frame of a wireless communication begins by generating a preamble of the frame that includes a short training sequence and at least one long training sequence. The at least one long training sequence includes non-zero energy on each of a plurality of subcarriers except a DC subcarrier. The at least one long training sequence corresponds to the number of antennas and applicable wireless communication standards. A matrix is defined to represent the at least one long training sequence. The preamble is compatible with legacy and current standards. A channel is defined with a set of sub carriers to transmit the frame.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: June 10, 2014
    Assignee: Broadcom Corporation
    Inventors: Christopher J. Hansen, Jason Alexander Trachewsky, Rajendra T. Moorti
  • Patent number: 8719482
    Abstract: A electronic device includes a bus, two electronic elements connected to the bus, and a controller. Each of the two electronic element is designated a logic unit number (LUN) and a first temporary buffer identified by the LUN for storing messages transmitted from or to the corresponding electronic element by the bus. The controller for obtaining the LUN of the message transmitted from/to the at least two electronic element, determining the temporary buffer which the message is stored according to the obtained LUN, storing the message to the determined temporary buffer, and transmitting the message stored in the temporary buffer to the corresponding electronic element or processing the message stored in the temporary buffer.
    Type: Grant
    Filed: April 28, 2012
    Date of Patent: May 6, 2014
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Wen-Chong Tu, Wei Shao
  • Patent number: 8687628
    Abstract: A balanced, bufferless switch scalable to high capacities and requiring less processing effort with less internal fabric expansion in comparison with prior-art switches. The balanced, bufferless switch employs a pre-switching or post-switching balanced-connector.
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: April 1, 2014
    Assignee: Rockstar Consortium USLP
    Inventor: Maged E. Beshai
  • Patent number: 8659213
    Abstract: Piezoelectric vibrating devices have piezoelectric vibrating pieces of which the vibration frequency is measurable individually on a wafer scale, without being affected by adjacent piezoelectric devices on the wafer. An exemplary piezoelectric device includes a piezoelectric vibrating piece having excitation electrodes and respective extraction electrodes. The device includes a package base with two connecting electrodes facing the vibrating piece and connected to respective extraction electrodes. Two pairs of mounting terminals are situated on the outer surface of the package base. Also on the outer surface of the package base are two pairs of opposing castellations that are recessed toward the center of the package base. Edge-surface electrodes connect the first and second main surfaces of the base; one pair is connected to the connecting electrodes and the other pair is connected to respective mounting terminals.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: February 25, 2014
    Assignee: Nihon Dempa Kogyo Co., Ltd.
    Inventors: Shuichi Mizusawa, Takehiro Takahashi
  • Patent number: 8639816
    Abstract: A network provides distributed computing services based on participation in respective resource groups by computing nodes, each resource group including a corresponding resource requirement for any computing node that joins the corresponding resource group for execution of the corresponding distributed computing service. Each computing node, in response to determining its corresponding available node capacity, is configured for selectively creating and joining at least one new resource group for execution of a corresponding distributed computing service having a corresponding resource requirement, and/or selectively joining at least one of the available resource groups, based on the corresponding available node capacity satisfying the corresponding resource requirement. Each computing node also is configured for selectively leaving any one of the joined resource groups based on determined conditions.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: January 28, 2014
    Assignee: Cisco Technology, Inc.
    Inventors: Bryan C. Turner, John Toebes, Douglas Jay Walker
  • Patent number: 8625427
    Abstract: One embodiment of the present invention provides a system that facilitates flow control of multi-path-switched data frames. During operation the system transmits from an ingress edge device data frames destined to an egress edge device across different switched paths based on queue status of a core switching device and queue status of the egress edge device. The egress edge device is separate from the core switching device.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: January 7, 2014
    Assignee: Brocade Communications Systems, Inc.
    Inventors: John M. Terry, Joseph Juh-En Cheng, Jan Bialkowski
  • Patent number: 8537789
    Abstract: A MANET may include a plurality of MANET nodes each comprising a wireless transceiver and a controller cooperating therewith for establishing a wireless communication link with an adjacent MANET node based upon a time division multiple access (TDMA) implementation. The TDMA implementation may use a repeating scheduling of a plurality of temporally spaced-apart time slot units within a control epoch to thereby reduce a latency of communication.
    Type: Grant
    Filed: May 22, 2008
    Date of Patent: September 17, 2013
    Assignee: Harris Corporation
    Inventors: Stanley Laytar Adams, Keith Andrew Olds, Joseph Bibb Cain
  • Patent number: 8402181
    Abstract: An arbiter for a space switch comprising a two buffers, a media access controller having data outputs coupled to the two buffers, and two control outputs coupled to respective buffers for buffering input data at a clock rate one-half that of the input data and a switch fabric connected to the two buffers for matching buffer data throughput with switch data throughput, the arbiter comprising first and second schedulers, each scheduler includes a plurality of inputs for connection to the two buffers for receiving requests, a plurality of outputs for granting requests and a plurality of inter connections to each of the plurality of schedulers for informing them of grants and logic for logically grouping input ports associated with a bifurcate input port, logically grouping output ports associated with a bifurcate output port, establishing round robin pointers for each of two alternate clock ticks for tracking next allowable requests and on one clock tick allowing connection requests from input ports to output po
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: March 19, 2013
    Assignee: Integrated Device Technology, Inc.
    Inventor: David Brown
  • Patent number: 8254339
    Abstract: In a receiver apparatus of HSDPA (High Speed Downlink Packet Access) data transmission scheme, it is achieved to minimize the occurrence of the system performance degradation and problems caused by TSN flash execution. In the receiver apparatus, each of a plurality of reordering buffers that temporarily store received traffic data is ranked on the basis of QoS information of the traffic data. When it is determined that memory release of the reordering buffers is necessary, the memory release is performed from the lowest ranked reordering buffer.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: August 28, 2012
    Assignee: Sony Mobile Communications Japan, Inc.
    Inventor: Isman Bazar
  • Patent number: 8239540
    Abstract: A network provides distributed computing services based on participation in respective resource groups by computing nodes, each resource group including a corresponding resource requirement for any computing node that joins the corresponding resource group for execution of the corresponding distributed computing service. Each computing node, in response to determining its corresponding available node capacity, is configured for selectively creating and joining at least one new resource group for execution of a corresponding distributed computing service having a corresponding resource requirement, and/or selectively joining at least one of the available resource groups, based on the corresponding available node capacity satisfying the corresponding resource requirement. Each computing node also is configured for selectively leaving any one of the joined resource groups based on determined conditions.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: August 7, 2012
    Assignee: Cisco Technology, Inc.
    Inventors: Bryan C. Turner, John Toebes, Douglas Jay Walker
  • Patent number: 8233477
    Abstract: Methods of operating a packet network device having multiple serial channels crossing a backplane are disclosed. In at least one embodiment, a management function performs dynamic modifications to the packet network device configuration in response to detected backplane errors. These modifications can directly alter a characteristic of a channel that is generating errors, or can indirectly affect such a channel by directly altering a characteristic of an “aggressor” channel that is indicated as producing crosstalk on that channel. Other embodiments are also described and claimed.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: July 31, 2012
    Assignee: Force10 Networks, Inc.
    Inventors: Joel R. Goergen, John D'Ambrosia
  • Patent number: 8228844
    Abstract: A control station communicates with at least one base station in a wireless network system. The control station includes a storage and a controller. The storage stores reference data for calculating the idle time according to the number of terminals. When an arbitrary one of the base stations undergoes a change in the number of terminals, the controller sets an idle time calculated by the reference data stored in the storage as the idle time of the base station using the changed number of terminals. As a result, the control station resets the idle time of each base station according to the number of terminals communicating with the base station, so that the base station can be relieved of a load of wireless resources, and smoothly accommodate terminals more than before.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: July 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Tai-Ho Yoon
  • Patent number: 8228912
    Abstract: Locations for deploying mesh nodes in a wireless network are determined based on a Terminal Steiner tree (TST). The TST that is formulated from an input graph and client locations in the wireless network is determined. The input graph includes signal strength values for pairs of mesh node-to-client location and mesh node-to-mesh node links and mesh node locations for deploying the mesh nodes are selected from the Steiner nodes in the TST.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: July 24, 2012
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Joshua P. Robinson, Mustafa Uysal, Ram Swaminathan
  • Patent number: 8224971
    Abstract: Techniques are described for providing managed virtual computer networks that have a configured logical network topology with virtual networking devices, such as by a network-accessible configurable network service, with corresponding networking functionality provided for communications between multiple computing nodes of the virtual computer network by emulating functionality that would be provided by the virtual networking devices if they were physically present.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: July 17, 2012
    Assignee: Amazon Technologies, Inc.
    Inventors: Kevin Christopher Miller, Eric Jason Brandwine, Andrew J. Doane
  • Patent number: 8102846
    Abstract: The invention comprises a method and apparatus for managing a multicast tree using SIP, SOAP, HTTP, or similar signaling between a multicast receiver (e.g., user device) and a third party system (e.g., a content provider system). The method includes receiving at least one request for modifying the multicast tree, determining at least one multicast tree change in response to the at least one request for modifying the multicast tree (where the at least one multicast tree change is operable for modifying the multicast tree according to the at least one request), and generating at least one message operable for implementing the at least one multicast tree change. The at least one request and the at least one message are implemented in a manner tending to minimize consumption of network resources.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: January 24, 2012
    Assignee: Alcatel Lucent
    Inventors: Dennis Johannes Adrianus Bijwaard, Harmanus van Tellingen
  • Patent number: 8068481
    Abstract: Techniques reliably provide the switchover from a default MDT to the data MDT by using reliable signaling and reliable building of a data MDT. The message notifying of the pending switchover to the data MDT is reliably sent using signaling that is reliable. Also, the switchover from the default MDT to the data MDT does not happen until all egress routers have responded to the message. Egress routers join the data MDT if associated receivers are interested in receiving the multicast stream from a source. The router does not send another response upstream until all egress routers downstream from it respond to the message in the positive or the negative.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: November 29, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Arjen Boers, Ijsbrand Wijnands, Nidhi Bhaskar
  • Patent number: 8064398
    Abstract: A high data rate system capable of inter-frequency handoffs with little or no interruption in data service. The access network sends data from the first sector to the access terminal at the first frequency. The access terminal measures a parameter of a signal received at the access terminal from the second sector at the second frequency, wherein a pre-active set of the access terminal includes the second sector, and wherein an active set of the access terminal consists of one or more sectors operating in the first frequency. The access terminal then sends a data source control message corresponding to the second sector to the access network, after which the access terminal switches the pre-active set and the active set.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: November 22, 2011
    Assignee: QUALCOMM Incorporated
    Inventors: Parag A. Agashe, Ramin Rezaiifar
  • Patent number: 8051170
    Abstract: A network provides distributed computing services based on participation in respective resource groups by computing nodes, each resource group including a corresponding resource requirement for any computing node that joins the corresponding resource group for execution of the corresponding distributed computing service. Each computing node, in response to determining its corresponding available node capacity, is configured for selectively creating and joining at least one new resource group for execution of a corresponding distributed computing service having a corresponding resource requirement, and/or selectively joining at least one of the available resource groups, based on the corresponding available node capacity satisfying the corresponding resource requirement. Each computing node also is configured for selectively leaving any one of the joined resource groups based on determined conditions.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: November 1, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Bryan C. Turner, John Toebes, Douglas Jay Walker
  • Patent number: 8031659
    Abstract: A method of operating a mobile wireless network is provided, in which, when there is a relocation, the connection may be continued essentially directly from the latest state before the relocation. User data is transmitted between a mobile station and a first base station, the user data being combined into data units, for example, packet data units, before being transmitted. For transmission of data units, transmission-specific information describing an instantaneous state of the transmission is stored in the mobile station, as well as in a first network unit at a higher level than the first base station. With the relocation of the mobile station from the first base station to a second base station having a second higher-level network unit, the transmission-specific information stored in the first higher-level network unit is transmitted to the second higher-level network unit to continue the transmission after the relocation essentially directly from its latest state.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: October 4, 2011
    Assignee: Ipcom GmbH & Co. KG
    Inventors: Martin Hans, Mark Beckmann
  • Patent number: 8028095
    Abstract: A network device includes a media access control (MAC) device that transmits a first data stream at a first data rate, the first data stream including first symbols having M bits. A translator converts the first data stream to a second data stream at a second data rate. The translator includes a data appender that appends N bits to the first symbols in the first data stream to generate second symbols having M+N bits. A data duplicator duplicates the second symbols X times to produce the second data stream at the second data rate. M and X are integers greater than one, and N is greater than or equal to zero.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: September 27, 2011
    Assignee: Marvell International Ltd.
    Inventors: William Lo, Nafea Bishara
  • Patent number: 8018925
    Abstract: Systems and methods are described that provide network traffic engineering that obviate network over-provisioning by providing QoS to each traffic class. Embodiments dimension switching router LTE schedulers to ensure that each traffic class receives an appropriate QoS in terms of delay, jitter, Packet Loss Ratio and throughput. In addition to guaranteeing QoS, embodiments optimize transport cost, optimize switch-router port deployment, and work on top of IETF standards, IEEE standards, and MEF standards.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: September 13, 2011
    Assignee: AT&T Intellectual Property I, L.P.
    Inventor: Dimas Noriega
  • Patent number: 7920526
    Abstract: A method and device for transmitting a frame of a wireless communication begins by generating a preamble of the frame that includes a short training sequence and at least one long training sequence. The at least one long training sequence includes non-zero energy on each of a plurality of subcarriers except a DC subcarrier. The at least one long training sequence corresponds to the number of antennas and applicable wireless communication standards. A matrix is defined to represent the at least one long training sequence. The preamble is compatible with legacy and current standards. A channel is defined with a set of sub carriers to transmit the frame.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: April 5, 2011
    Assignee: Broadcom Corporation
    Inventors: Christopher J. Hansen, Jason Alexander Trachewsky, Rajendra T. Moorti
  • Patent number: 7907295
    Abstract: Disclosed is technology capable of improving operability of a multi-function image processing apparatus with simple inexpensive structure and easily designing necessary system software. After start-up, the apparatus is connected to an IPv6 router on a network, prefix information is acquired from the router, there is generated an IP address unique to each of image processing functions such as printing, scanning and FAXing on basis of the acquired prefix information, the apparatus communicates with other appliance on the network by use of the IP address generated for every image processing function, and each image processing function operates corresponding to a result of the communication. Transfer task transfers data to be inputted and outputted among print task, scan task and facsimile task by use of IP addresses each different for every function, and the respective tasks run on a time-division basis using a task switchover by OS.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: March 15, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takashi Ono
  • Patent number: 7904026
    Abstract: A wireless digital communication system includes a base station in communication with a plurality of user equipment mobile terminals (UEs). The system prioritizes the forwarding of blocks of downlink data to designated ones of the UEs. The system employs adaptive modulation and coding (AM&C) to achieve improved radio resource utilization and provides optimum data rates for user services. Blocks of downlink (DL) data are received by the base station which requests downlink (DL) channel quality measurements only from those mobile terminals (UEs) with pending downlink transmissions. The UEs respond to the request by measuring and reporting DL channel quality to the base station, which then allocates resources such that the UEs will make best use of radio resources. The base station notifies the UEs of the physical channel allocation indicating the modulation/coding rate and allocated slots followed by transmission of blocks of downlink data which are transmitted to the UEs.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: March 8, 2011
    Assignee: InterDigital Technology Corporation
    Inventors: Stephen E. Terry, Stephen G. Dick, James M. Miller, Eldad Zeira, Ariela Zeira
  • Patent number: 7856010
    Abstract: A circulating switch comprises switch modules of moderate capacities interconnected by a passive rotator. Data is sent from a one switch module to another switch module either directly, traversing the rotator once, or indirectly through at least one intermediate switch module where the rotator is traversed twice. A higher capacity extended circulating switch is constructed from higher-capacity switch modules, implemented as common memory switches and having multiple ports, interconnected through a multiplicity of rotators preferably arranged in complementary groups of rotators of opposite rotation directions. A polyphase circulating switch having a low switching delay is derived from a multi-rotator circulating switch by providing programmable rotators having adjustable relative rotator-cycle phases. A low delay high-capacity switch may also be constructed from prior-art medium-capacity rotator space switches with mutually phase-shifted rotation cycles.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: December 21, 2010
    Assignee: Nortel Networks Limited
    Inventor: Maged E. Beshai
  • Patent number: 7835728
    Abstract: A client (10) transmits a service request signal to a Web server (20). The Web server which has received the service request signal generates an ID for each session, and transmits the ID to the client together with window information. The client then transmits input voice information to a voice processing server (30) together with the ID. The voice processing server which has received the voice information and the ID processes the voice information, and transmits the processing result to the Web server together with the ID. The Web server prepares information reflecting the voice processing result obtained by the voice processing server in correspondence with the ID from the voice processing server, and transmits the information to the client.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: November 16, 2010
    Assignee: NEC Corporation
    Inventor: Eiko Yamada
  • Patent number: 7796596
    Abstract: Methods, systems, and computer program products producing, transporting, and capturing network traffic data are provided. The method includes associating a mirroring policy with a service profile assigned to a service subscriber, the service subscriber identified by a static Internet Protocol address. The method also includes associating a routing policy with the service profile. Upon detecting an active session for the service subscriber, the method includes mirroring traffic data generated as a result of subscriber activity, the mirroring implemented in accordance with the mirroring policy. The method further includes routing the mirrored traffic data through a public network to a central collection facility in accordance with the routing policy.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: September 14, 2010
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Scott K. Sheppard, Henry J. Fowler, Jr.
  • Patent number: 7760732
    Abstract: A method, computer program product, system and apparatus are presented for reducing wasted bandwidth due to supercasting multicast cells through a router switch fabric. In one embodiment of the present invention, signatures of a switch fabric destination address are generated and compared. A signature is an information-rich representation of the fabric destination address that is generated using the fabric destination address. Therefore, supercasting can be minimized by combining fabric destination addresses with like signatures. Aspects of the present invention include generating the signatures using random permutation maps of the set of switch fabric ports or determining intersections of a fabric destination address with a selection of subsets of the switch fabric ports.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: July 20, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Punit Bhargava, Rina Panigrahy, Sriram C. Krishnan
  • Patent number: 7715377
    Abstract: A matrixed memory array device is disclosed that includes input ports and output ports. Each input port is coupled to a first data bus and each output port is coupled to a second data bus that is different and separate from the first data bus. A memory brick is placed at each cross-point between first data buses and second data buses so as to switchably couple frames of data from input ports to output ports. Each memory brick contains a plurality of eight transistor (8-T) memory cells that can be used to store, erase, read, write, and switchably couple a data bit from the input port to a corresponding output port.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: May 11, 2010
    Assignee: Integrated Device Technology, Inc.
    Inventors: John Mick, Craig Lindahl, Yongdong Zhao
  • Patent number: 7639678
    Abstract: A transit memory assembly of a rotator-based switching node is logically partitioned into two sections, one operated as a common-memory switch fabric and the other as a time-shared space-switch fabric. The composition of data received at input ports of the switching node determines adaptive capacity division between the two sections. Based on an indication of traffic type, a controller of at least one input port selects one of the two sections. The space-switch section enables scalability to a high transport capacity while the common-memory section enables scalability to a high processing throughput. The switching node includes rotators and a bank of transit-memory devices that facilitate the incorporation of any mixture of periodic, aperiodic, contention-free exclusive-access, concurrent-access, and multicast switching.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: December 29, 2009
    Assignee: Nortel Networks Limited
    Inventor: Maged E. Beshai
  • Patent number: 7623512
    Abstract: A method, medium, and system estimating a location of a node, whose location is unknown, in a communication system including both nodes having known locations and nodes having unknown locations. A first packet is transmitted and received between nodes having known locations, via a node having an unknown location to be estimated. A second packet, which contains a distance function coefficient acquired using first information and second information included in the received first packet, is transferred to the node having the unknown location to be estimated. The unknown location is then estimated using the received distance function coefficient.
    Type: Grant
    Filed: June 6, 2005
    Date of Patent: November 24, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-young Kim, Duy-bach Bui, Ji-tae Kim
  • Patent number: 7606265
    Abstract: A method and apparatus for transceiving multiple service data from multiple communication services to a SONET/SDH communication system or network are provided. A SONET/SDH universal framer (SURF) bidirectionally provides communication between a SONET/SDH communication port and multiple service communication ports using their native data format. A SONET/SDH byte engine processes complex hierarchical SONET/SDH frames storing intermediate states when it changes to process a byte of data of a different STS-1 equivalent frame in a SONET/SDH STS-N frame. A service byte engine processes the multitude of service data formats and generally intermediate states are restored, processed, and saved when the service byte engine changes to process a different data stream or a different frame of data of a given service.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: October 20, 2009
    Assignee: Cisco Technology, Inc.
    Inventors: Jay Sethuram, Amir Nayyarhabibi, Chandra Shekhar Joshi, Rajiv Kane, Richard Joseph Weber, Srinivasa R. Malladi
  • Patent number: 7606187
    Abstract: Provided is a system and method for a multicast routing algorithm to work in infrastructure based mesh networks. It chooses access points, fixed infrastructure gateway nodes connected to each other and/or the global internet via a wired/wireless backbone, as a group of local multicast group leaders to form a multicast group leader cloud. Each local multicast group leader is elected on-demand according to the local multicast group member's request. Each local multicast group leader forms a local multicast tree rooted at this leader connecting all multicast group members associated with the AP. The processes of electing and maintaining local multicast trees rooted at APs enable efficient coordination with underlying unicast routing to exploit the advantages of fixed infrastructure nodes. Therefore, routing overhead and multicast tree convergence time are reduced. The method can support large networks with fast topology change due to fast convergence and reduced routing overhead.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: October 20, 2009
    Assignee: MeshNetworks, Inc.
    Inventors: Surong Zeng, Avinash Joshi
  • Patent number: 7593406
    Abstract: A multi-layered packet processing device using multiple processors for processing a received multi-layered packet at a hardware level. The multi-layered packet processing device includes an interface for transmitting a data packet to a node and receiving the data packet from the node through a public network; and a plurality of packet processing portions for sequentially processing the data packet, in a pipeline pattern, according to a header of the data packet transferred through the interface.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: September 22, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jin-Woo Joung
  • Patent number: 7590110
    Abstract: A high capacity switching node comprises a lattice structure of low-latency switch units and a plurality of balanced connectors interfacing electronic edge nodes to diagonal subsets of said switch units. The edge nodes may be collocated with the switch units or remotely located. The switch units may be bufferless, having optical switch-fabrics for example, thus requiring a compound vacancy-matching process. Using switch units each of dimension 64×64, a fast switching node having a dimension of the order of 10,000×10,000 can be constructed. With a typical wavelength-channel capacity of 10 Gb/s, the fast-switching node would scale to a capacity of 100 terabits per second, which is orders of magnitude higher than the capacity of known fast optical switches. A fast-switching optical switch of such scalability significantly reduces network complexity and cost.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: September 15, 2009
    Assignee: Nortel Networks Limited
    Inventors: Maged E. Beshai, Lindsay McGuinness
  • Patent number: 7570619
    Abstract: A method and device for transmitting a frame of a wireless communication begins by generating a preamble of the frame that includes a short training sequence and at least one long training sequence. The at least one long training sequence includes non-zero energy on each of a plurality of subcarriers except a DC subcarrier. The at least one long training sequence corresponds to the number of antennas and applicable wireless communication standards. A matrix is defined to represent the at least one long training sequence. The preamble is compatible with legacy and current standards. A channel is defined with a set of sub carriers to transmit the frame.
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: August 4, 2009
    Assignee: Broadcom Corporation
    Inventors: Christopher J. Hansen, Jason Alexander Trachewsky, Rajendra T. Moorti
  • Patent number: 7397827
    Abstract: A method for switching multi-rate communications is described. The method includes filling a first set of p timeslots with p sets of data from a first data collection of a first type, where the first data collection includes m sets of data and p is less than m. The method also includes loading at least one overflow timeslot with at least one overflow set of data from the first data collection, where the overflow set of data exceeds a size of the first set of p timeslots.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: July 8, 2008
    Assignee: Tellabs Operations, Inc.
    Inventors: Terrence J. Tanis, Ravi Chandran, Daniel J. Marchok
  • Patent number: 7394754
    Abstract: A system and method for transmitting data in multiple-branch transmitter-diversity OFDM systems is presented. In one embodiment, an approach is taken where an inverse Fourier transform (IFT) is performed on data prior to encoding the data for transmission in the multiple-branch transmitter-diversity system. In another embodiment an IFT is performed on data prior to encoding the data using a space-time block code (STBC) algorithm.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: July 1, 2008
    Assignee: MediaTek Inc.
    Inventors: Kuo Hui Li, Charles Huang, Mao-Ching Chiu, Hung-Kun Chen, Chao-Ming Chang
  • Publication number: 20080144612
    Abstract: A method includes communicating a number of first frames using a first communication scheme. Each of the first frames has one or more first active time periods. Communication of the first frames uses a first frequency band. The method includes communicating a number of second frames using a second communication scheme. Each of the second frames has one or more second active time periods. Communication of the second frames uses a second frequency band that at least partially overlaps the first frequency band. The communication of the first frames and communication of the second frames operate so that at least a portion of the first and second frames overlap in time but the first and second active time periods do not overlap in time. Apparatus and computer program products are also disclosed. An additional method is disclosed for providing coexistence of two time-division systems.
    Type: Application
    Filed: December 13, 2006
    Publication date: June 19, 2008
    Inventors: Zhi-Chun Honkasalo, Che XiangGuang, Petri Jolma