公开(公告)号：CA2705343A1

公开(公告)日：2009-07-09

申请号：CA2705343

申请日：2008-12-19

Applicant: QUALCOMM INC

Inventor： KITAZOE MASATO ,  MEYLAN ARNAUD

IPC: H04W74/08 ,  H04W12/00

Abstract: Techniques for sending a message for random access by a user equipment (UE) are described. In an aspect, the UE may send the message on a control channel for random access and may send a reserved channel identifier to indicate the message being sent on the control channel. In another aspect, the UE may send the message in a protocol data unit (PDU) and may send additional information (e.g., a buffer status report) in the PDU if it can accommodate the additional information. In yet another aspect, the UE may generate a short message authentication code for integrity protection (MAC-I) for the message. The short MAC-I may have a smaller size and may be used to authenticate the UE. In yet another aspect, the UE may send a UE ID of one of multiple types for random access and may convey the UE ID type via a format field in the message.

公开(公告)号：CA2702336A1

公开(公告)日：2009-05-07

申请号：CA2702336

申请日：2008-10-30

Applicant: QUALCOMM INC

Inventor： MEYLAN ARNAUD

IPC: H04W36/02 ,  H04W40/36

Abstract: Systems and methods for managing packetized data handoff between base stations in a mobile communication system are described. In one aspect, a timer is utilized to decide when to perform path switch from serving traffic forwarded by the source station to traffic received by the serving gateway, and to preserve, to a large degree, the packet order from a gateway device to a terminal, during the handoff between base stations. When handoff is indicated, the timer is started and only packets that are sent by the source base station from the gateway are forwarded to the terminal by the target base station, while the timer runs. When the timer expires, the target station switches to transmit fresh packets received from the serving gateway. The timer can be adjusted "on the fly".

公开(公告)号：AU2008308988A1

公开(公告)日：2009-04-09

申请号：AU2008308988

申请日：2008-09-26

Applicant: QUALCOMM INC

Inventor： BARANY PETER ANTHONY ,  MEYLAN ARNAUD ,  TENNY NATHAN EDWARD

IPC: H04W36/08

Abstract: The method and apparatus as described are directed toward techniques and mechanisms to improve efficiency in wireless communication networks through optimization of handover scenarios. Determining whether an intra-base station or inter-node-B handover is to be performed, and determining the protocol layers to reset during the handover based at least in part on the type of handover to be performed increases the overall efficiency of the wireless network.

公开(公告)号：CL2009000188A1

公开(公告)日：2009-03-27

申请号：CL2009000188

申请日：2009-01-29

Applicant: QUALCOMM INC

Inventor： WALTON J RODNEY ,  SURINENI SHRAVAN K ,  MEYLAN ARNAUD ,  NANDA SANJIV

IPC: H04B7/06 ,  H04J99/00 ,  H04L1/00

Abstract: Aparato y método para seleccionar la tasa de transmisión de datos en un sistema de comunicaciones inalámbrico: divisional de la solicitud 2975-05.

公开(公告)号：AU2008286785A1

公开(公告)日：2009-02-19

申请号：AU2008286785

申请日：2008-08-14

Applicant: QUALCOMM INC

Inventor： MEYLAN ARNAUD ,  HO SAI YIU DUNCAN ,  CHAPONNIERE ETIENNE F

IPC: H04L29/08

公开(公告)号：CA2694505A1

公开(公告)日：2009-02-12

申请号：CA2694505

申请日：2008-08-08

Applicant: QUALCOMM INC

Inventor： ATTAR RASHID AHMED AKBAR ,  MEYLAN ARNAUD ,  HO SAI YIU DUNCAN ,  GRILLI FRANCESCO ,  TENNY NATHAN EDWARD ,  BARANY PETER ANTHONY

IPC: H04W36/02

Abstract: Techniques for sending data during handover with Layer (2) tunneling are described. In one design, a user equipment (UE) sends first Layer (2) packets to a source base station prior to handover to a target base station. The UE sends at least one second Layer (2) packet to the target base station, which identifies the second Layer (2) packet(s) as being intended for the source base station and thus forwards the second Layer (2) packet(s) to the source base station via a Layer (2) tunnel. The UE sends third Layer (2) packets to the target base station after the handover. The target base station processes the third Layer (2) packets to obtain IP packets and sends the IP packets to a serving gateway after a trigger condition, which may be defined to achieve in-order delivery of IP packets from the source and target base stations to the serving gateway.

公开(公告)号：CA2693488A1

公开(公告)日：2009-02-12

申请号：CA2693488

申请日：2008-08-08

Applicant: QUALCOMM INC

Inventor： BARANY PETER ANTHONY ,  MEYLAN ARNAUD ,  HO SAI YIU DUNCAN ,  GRILLI FRANCESCO ,  TENNY NATHAN EDWARD ,  ATTAR RASHID AHMED AKBAR

IPC: H04L29/06 ,  H04L12/22 ,  H04W12/04

Abstract: Systems and methodologies are described that facilitate identifying a plurality of keysets utilized in a communications network. The keysets can include ciphering keys that provide data encryption and decryption and integrity keys that provide data integrity protection. A key identifier can be included in a packet data convergence protocol header that indicates a keyset employed in connection with data in a protocol data unit. In addition, a route indicator can be provided in a radio link control header that distinguishes a source cell and a target cell in networks configured without RLC reset.

公开(公告)号：AU2008285343A1

公开(公告)日：2009-02-12

申请号：AU2008285343

申请日：2008-08-08

Applicant: QUALCOMM INC

Inventor： MEYLAN ARNAUD ,  HO SAI YIU DUNCAN ,  TENNY NATHAN EDWARD ,  ATTAR RASHID AHMED AKBAR ,  BARANY PETER ANTHONY ,  GRILLI FRANCESCO

IPC: H04W36/02

Abstract: Techniques for sending data during handover with Layer 2 tunneling are described. In one design, a user equipment (UE) sends first Layer 2 packets to a source base station prior to handover to a target base station. The UE sends at least one second Layer 2 packet to the target base station, which identifies the second Layer 2 packet(s) as being intended for the source base station and thus forwards the second Layer 2 packet(s) to the source base station via a Layer 2 tunnel. The UE sends third Layer 2 packets to the target base station after the handover. The target base station processes the third Layer 2 packets to obtain IP packets and sends the IP packets to a serving gateway after a trigger condition, which may be defined to achieve in-order delivery of IP packets from the source and target base stations to the serving gateway.

公开(公告)号：AU2005257811B2

公开(公告)日：2009-01-08

申请号：AU2005257811

申请日：2005-05-05

Applicant: QUALCOMM INC

Inventor： WALTON JAY RODNEY ,  ABRAHAM SANTOSH ,  MEYLAN ARNAUD

IPC: H04B7/04 ,  H04J99/00 ,  H04B7/00 ,  H04B7/06 ,  H04L1/00 ,  H04L25/02

Abstract: A method of selecting a transmission mode for data transmission in a wireless communication system is described. The method comprising determining the age of channel information available for use to transmit data via a wireless channel, comparing the age of the channel information against a threshold, and selecting a steered mode when the age of the channel information is less than or equal to the threshold and selecting an unsteered mode when the age of the channel information is greater than the threshold, and processing data in accordance with the selected transmission mode wherein the channel information is used for processing when the steered mode is selected and the channel information is not used for processing when the unsteered mode is selected. Further, a corresponding apparatus is described.

公开(公告)号：CA2687862A1

公开(公告)日：2008-12-24

申请号：CA2687862

申请日：2008-06-18

Applicant: QUALCOMM INC

Inventor： MEYLAN ARNAUD

IPC: H04W36/02 ,  H04W36/08

Abstract: Systems and methodologies are described that facilitate management of dat a delivery and processing in a wireless communication system and, more parti cularly, that support Packet Data Convergence Protocol (PDCP) reordering of packets during a handoff operation. Various aspects described herein can mit igate processing delays associated with PDCP reordering of packets at handof f by determining, communicating, and/or otherwise identifying one or more in dicators during handoff that facilitate lossless communication of packets to a terminal with minimal delay. These indicators can include sequence number information for a source Node B, information regarding a step or jump size applied to a sequence number by a target Node B, a reset command, and/or oth er suitable indicators.