Patents Examined by Steve Young
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Patent number: 9276712Abstract: A method and apparatus for supporting a random access using a random access channel (RACH) are disclosed. The WTRU detects a format of control information in at least one control channel element (CCE) of a common area in a control portion of a downlink transmission. The control information indicates a resource allocation in a data portion of the downlink transmission. The WTRU recovers a random access response assigned to the WTRU from the indicated resource allocation of the data portion on a condition that the at least one CCE has a random access radio network terminal identifier (RA-RNTI) assigned to the WTRU.Type: GrantFiled: November 11, 2013Date of Patent: March 1, 2016Assignee: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Kalpendu R. Pasad, Shankar Somasundaram, Jin Wang
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Patent number: 9271203Abstract: Post-hard handover processing in a Time Division—Synchronous Code Division Multiple Access (TD-SCDMA) network may be improved to allow operation of High Speed Packet Access (HSPA) in hard handover. For example, uplink synchronization may be completed concurrent with HSPA to quickly resume HSPA operation in hard handovers. User Equipment (UE) may receive downlink data while completing uplink synchronization. In another example, a unique SYNC_UL code may be assigned to a UE for hard handover. The unique SYNC_UL code allows Node Bs of the TD-SCDMA network to know which UE is performing hard handover. When a Node B is receiving the unique SYNC_UL, the Node B may begin to allocate UL data grants. After receiving UL data from the UE, the Node B may resume High Speed Downlink Packet Access (HSDPA).Type: GrantFiled: September 16, 2010Date of Patent: February 23, 2016Assignee: QUALCOMM IncorporatedInventors: Tom Chin, Guangming Shi, Kuo-Chun Lee
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Patent number: 9264249Abstract: A method, an apparatus, and a computer program product are provided for receiving unicast and multicast-broadcast single frequency network (MBSFN) signals from an eNB in a subframe. The apparatus receives at least one transmission in the subframe, the subframe divided into six partitions and for receiving at least one unicast symbol and a plurality of multicast-broadcast single frequency network (MBSFN) symbols, each of the at least one unicast symbol and the plurality of MBSFN symbols having an associated cyclic prefix (CP). The apparatus further receives at least one unicast signal including the at least one unicast symbol at a first partition of the subframe, and receives at least one MBSFN signal including the plurality of MBSFN symbols respectively at a second partition through sixth partition of the subframe, each MBSFN symbol having the associated CP with a length of at least 33.33 ?s.Type: GrantFiled: March 1, 2013Date of Patent: February 16, 2016Assignee: QUALCOMM IncorporatedInventors: Xiaoxia Zhang, Gordon Kent Walker, Durga Prasad Malladi, Jun Wang, Gang Bao
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Patent number: 9258824Abstract: An interference avoidance method performed by an Access Point (AP) in a WLAN system in an Overlapping Basic Service Set (OBSS) environment is provided. The interference avoidance method includes receiving an interference avoidance request message from the first STA, the interference avoidance request message informing that frame transmission of the AP acts as interference with a first STA; transmitting an interference avoidance response message in response to the interference avoidance request message; obtaining first channel information about a first channel between the first STA and the AP from the first STA which has received the interference avoidance response message; determining a transmitting steering matrix based on the first channel information; and transmitting data to a second STA by performing beamforming according to the transmitting steering matrix.Type: GrantFiled: February 24, 2015Date of Patent: February 9, 2016Assignee: LG ELECTRONICS INC.Inventors: Yong Ho Seok, Yu Jin Noh, Bong Hoe Kim, Dae Won Lee
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Patent number: 9253106Abstract: The present invention discloses a traffic control-based data transmission method, a traffic control-based switch, a node server and a traffic control-based communication system, thereby solving the problem that the quality of network transmission cannot be guaranteed in the present IP network. The method comprises: obtaining, by a switch, the traffic control information for each service request, wherein the traffic control information includes sending time interval and sending data size; receiving, by the switch, a data packet, and putting it into a packet buffer queue; and polling, by the switch, the packet buffer queue, and taking a packet from the packet buffer queue for sending according to the traffic control information. The present invention can realize accurate traffic control, it is applicable for multimedia transmission, and it can guarantee transmission quality.Type: GrantFiled: August 4, 2011Date of Patent: February 2, 2016Assignee: BEIJING QIANTANG NETWORK TECHNOLOGY COMPANY, LTD.Inventors: Dorian Lu, Carl Yang
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Patent number: 9253818Abstract: An apparatus and operating method of a Relay Station (RS) and a Base Station (BS) controller for a multi-hop relay communication in a broadband wireless communication system is provided. The method of the RS includes, when receiving at least one traffic Media Access Control (MAC) Protocol Data Unit (PDU) from a Mobile Station (MS) accessing the RS, extracting a Layer-3(L3) packet from the at least one traffic MAC PDU, generating a relay MAC PDU including the L3 packet, and transmitting the MAC PDU to the BS through an RS Service Flow (SF) which supports Quality of Service (QoS) required by an MS SF carrying the L3 packet.Type: GrantFiled: September 17, 2010Date of Patent: February 2, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Mingxia Xu, Ji-Cheol Lee, Hyun-Jeong Kang, Hee-Won Kang
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Patent number: 9241275Abstract: Techniques are presented for distributed processing Distributed-Input Distributed-Output (DIDO) wireless communication. A plurality of base stations (e.g., APs) are provided, each configured to wirelessly serve one or more wireless devices (e.g., clients). At least first and second base stations are configured to transmit simultaneously at an agreed upon time. The first and second base stations are each configured to locally generate steering matrix information used to spatially precode their respective data transmissions in order to steer their respective data transmissions to their one or more wireless devices while nulling to the one or more client devices of the other base station. Moreover, the first and second base stations are each configured to locally generate a transmit waveform by applying the steering matrix information to their respective data transmissions.Type: GrantFiled: February 28, 2013Date of Patent: January 19, 2016Assignee: Cisco Technologies, Inc.Inventors: David Kloper, Brian D. Hart, Paul J. Stager, Matthew A. Silverman
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Patent number: 9232027Abstract: Disclosed is a computer implemented method and apparatus for handling transport control protocol connections. The local host receives a transport control protocol socket connection request from a host. By subtracting a current port connection from maximum port connections to form a difference, the local host calculates the threshold based the difference divided by the tunable divisor, the tunable divisor not equal to one. The local host then determines whether the current port connections exceeds the threshold. By responding to a determination that the current port connections exceed the threshold, the local host blocks the transport control protocol socket request based on the TCP socket connection request.Type: GrantFiled: August 25, 2008Date of Patent: January 5, 2016Assignee: International Business Machines CorporationInventors: Marco A. Cabrera Escandell, Tommy L. McLane
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Patent number: 9215486Abstract: A method of transmitting a live video stream and a pre-recorded video stream over a wireless network to a mobile device, the method including: receiving the live video stream and the pre-recorded video stream for a current scheduling window; dividing the live video stream and the pre-recorded video stream into segments in the current scheduling window, each segment including an aggregate data amount, a transmission start time and a transmission end time; determining a transmission schedule for the current scheduling window, said transmission schedule including the segments; locating slack time slots, the slack time slots being time slots for which no segment is allocated; and scheduling bursts associated with the pre-recorded video stream in the slack time slots.Type: GrantFiled: August 13, 2010Date of Patent: December 15, 2015Assignee: Simon Fraser UniversityInventors: Mohamed Hefeeda, Cheng-Hsin Hsu
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Patent number: 9173137Abstract: System(s) and method(s) are provided to manage packet data protocol (PDP) contexts upon cellular-to-femto handover, wherein femto network has disparate capabilities to support applications with distinct access point names (APNs) and quality of service (QoS) profiles. Based at least on activity factors of applications associated with PDP contexts, a QoS-based ranking of PDP contexts, and subscriber input, cellular network platform selects active PDP contexts to retain and suspend upon handover. A group of active PDP contexts is handed off in accordance with femto coverage capability, with remaining active PDP contexts suspended during handover. When a suspended PDP context, and application associated therewith, is resumed through femto coverage, a PDP context modification is conducted with a new APN and the application is routed to a corresponding femto gateway node and application server.Type: GrantFiled: October 29, 2014Date of Patent: October 27, 2015Assignee: AT&T Mobility II LLCInventor: Yung Shirley Choi-Grogan
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Patent number: 9172658Abstract: Call setup methods in a multi-domain network and a multi-domain network use dynamic link tagging and/or overbooking of External Network-Network Interface (ENNI) links. Thus, improved call setup systems and methods include two approaches to improve upon the responsiveness of the network for connection setups including bandwidth reservation in optical networks using “dynamic link tags” and link overbooking in optical networks based on a greedy approach. The bandwidth reservation and the link overbooking can be utilized together or separately to improve call setup. Advantageously, the improved call setup systems and methods can provide a generic bandwidth reservation mechanism, such as in Automatically Switched Optical Network (ASON) networks, to overcome the limitation of ENNI in concurrently updating the abstract link bandwidth and thereby improving the responsiveness of the network.Type: GrantFiled: March 4, 2013Date of Patent: October 27, 2015Assignee: Ciena CorporationInventors: Vikas Kakkar, Kapil Juneja, Anurag Prakash, Mohit Chhillar
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Patent number: 9154404Abstract: A method for an access network device to access a network is disclosed, which comprises: powering on an access switch, and setting in its internal downlink protocol packet address table that all downlink protocol packets are to be oriented to a CPU module; receiving, by the access switch, a downlink protocol packet sent from a node server and orienting the downlink protocol packet to the CPU module of the access switch, and generating, by the CPU module, an uplink protocol packet and sending the uplink protocol packet to the node server, wherein the downlink protocol packet contains an access network address that is to be allocated; sending, by the node server, a network access command to the access switch, wherein the network access command contains an access network address of the access switch, and the access network address is the access network address to be allocated; and updating, by the access switch, its internal downlink protocol packet address table, as orienting only a protocol packet with a destiType: GrantFiled: August 4, 2011Date of Patent: October 6, 2015Assignee: Beijing Qiantang Network Technology Company, LTD.Inventors: Dorian Lu, Carl Yang
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Patent number: 9124448Abstract: Described is an improved method, system, and computer program product for implementing an improved resequencer, along with related mechanisms and processes. A best efforts resequencing approach is described for determining a set of messages to process in a computing system.Type: GrantFiled: April 4, 2009Date of Patent: September 1, 2015Assignee: ORACLE INTERNATIONAL CORPORATIONInventors: Atul Singh, Maneesh Joshi, Ashwin Patel, Annaji Rao Garimella
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Patent number: 9119118Abstract: Packet data protocol (PDP) contexts are managed upon cellular-to-femto handover, wherein femto network has disparate capabilities to support applications with distinct access point names (APNs) and quality of service (QoS) profiles. Based at least on activity factors of applications associated with PDP contexts, a QoS-based ranking of PDP contexts, and subscriber input, cellular network platform selects active PDP contexts to retain and suspend upon handover. A group of active PDP contexts is handed off in accordance with femto coverage capability, with remaining active PDP contexts suspended during handover. When a suspended PDP context, and application associated therewith, is resumed through femto coverage, a PDP context modification is conducted with a new APN and the application is routed to a corresponding femto gateway node and application server. Additionally, femto network platform performs a radio access bearer reconfiguration to meet QoS requirements of the resumed PDP context.Type: GrantFiled: October 13, 2014Date of Patent: August 25, 2015Assignee: AT&T Mobility II LLCInventor: Yung Shirley Choi-Grogan
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Patent number: 9110865Abstract: Dynamic network routing in a virtual machine environment. The dynamic network routing includes receiving an indication that a network outage has occurred and receiving a network communication to a guest or from the guest executing on a hypervisor. It is then determined if the guest that is the source or destination for the network communication is configured to use a revised network route. In response to determining that the guest is not configured to use the revised network route, then the transmission of the network communication is prevented and the guest is provided with network routing information. Once the guest has received the updating routing information the transmission of the network communication on the new route is allowed.Type: GrantFiled: July 1, 2011Date of Patent: August 18, 2015Assignee: International Business Machines CorporationInventors: Eli M. Dow, Scott W. Loveland, George B. Markos
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Patent number: 9100351Abstract: A method for forwarding data in a layer-2 network is provided. A first node receives a first data packet including a customer destination MAC address and customer data; generates a second data packet including a source virtual MAC address, a destination virtual MAC address and at least part of the first data packet. The at least part of the first data packet includes the customer destination MAC address and the customer data. The source virtual MAC address is a virtual MAC address assigned to the first node, and the destination virtual MAC address corresponds to the customer destination MAC address. The virtual MAC address assigned to the first node includes a first virtual MAC address segment with a first mask, which indicates a virtual MAC address space including virtual MAC addresses of child nodes of the first node. Then the first node forwards the second data packet.Type: GrantFiled: June 30, 2014Date of Patent: August 4, 2015Assignee: Huawei Technologies Co., Ltd.Inventors: Ruobin Zheng, Hongyu Li
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Patent number: 9094893Abstract: The present invention discloses a method and an apparatus for establishing a service route, wherein the method comprises the steps of: collecting, by a control station, channel quality information of all links on each path of a terminal; according to the channel quality information, selecting an access station which establishes a route with the terminal. The present invention realizes selecting the access station which establishes a route with the terminal according to the actual application situation.Type: GrantFiled: January 12, 2010Date of Patent: July 28, 2015Assignee: ZTE CorporationInventors: Yang Liu, Yuqin Chen, Hongyun Qu, Ling Xu, Zhengguang Zhao, Yan Long, Xuming Fang, Xiaopeng Hu, Yue Zhao
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Patent number: 9049630Abstract: Handover processes in multi-carrier carrier time division-synchronous code division multiple access (TD-SCDMA) systems include a two-step handover process. When handover of a user equipment is warranted, a hard handover is performed within a source cell of the system from a first frequency to a second frequency. A baton handover is then performed from the second frequency at the source cell to the second frequency at a target cell. In another aspect, a user equipment receives an assignment of an uplink time slot at a target cell that was selected to prevent the uplink time slot from being proximal to a downlink time slot of a source cell. The user equipment then performs the inter-frequency baton handover using the uplink time slot.Type: GrantFiled: September 16, 2010Date of Patent: June 2, 2015Assignee: QUALCOMM IncorporatedInventors: Tom Chin, Guangming Shi, Kuo-Chun Lee
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Patent number: 9036507Abstract: Techniques are provided for performing discovery in a Fiber Channel over Ethernet (FCoE) network. An FCF discovers other FCoE Forwarders (FCFs) connected to its network segment by transmitting a solicitation message to the multicast MAC address “All-FCF-MACS”. All FCFs receive packets with this multicast MAC address including the solicitation message that announces the presence of the FCF. Each FCF replies with a unicast advertisement message that provides the new FCF with a MAC address of the responding FCF. The FCF builds a list of the FCFs available on its network segment and may then establish a virtual link with one or more of the FCFs through an exchange link parameter (ELP) exchange.Type: GrantFiled: April 16, 2014Date of Patent: May 19, 2015Assignee: Cisco Technology, Inc.Inventor: Claudio DeSanti
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Patent number: 9014155Abstract: An access point is configured based on acquired information. An access point may be configured based on the configuration(s) of at least one other access point. An identifier to be transmitted by an access point may be selected based on the identifier(s) transmitted by at least one other access point. An access point may configure itself with assistance from a configuration server. For example, the access point may send information such as the location of the access point to a configuration server and the configuration server may respond with a list of neighboring access points for that access point. A configuration server may provide configuration information to an access point based on the location of the access point. A configuration server also may direct an access point to a different configuration server.Type: GrantFiled: November 17, 2008Date of Patent: April 21, 2015Inventors: Rajarshi Gupta, Fatih Ulupinar, Gavin B. Horn, Parag A. Agashe, Avneesh Agrawal, Aamod D. Khandekar, Peerapol Tinnakornsrisuphap, Ravi Palanki, Rajat Prakash