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    PILOT TRANSMISSION BY RELAY STATIONS IN A MULTIHOP RELAY COMMUNICATION SYSTEM
    31.
    发明专利
    PILOT TRANSMISSION BY RELAY STATIONS IN A MULTIHOP RELAY COMMUNICATION SYSTEM 未知

    公开(公告)号：CA2934632A1

    公开(公告)日：2008-09-25

    申请号：CA2934632

    申请日：2008-03-14

    Applicant: QUALCOMM INC

    Inventor： DAYAL PRANAV ,  JI TINGFANG

    IPC: H04W68/08 ,  H04B1/76 ,  H04B7/155 ,  H04J11/00 ,  H04W24/00 ,  H04W48/08 ,  H04W48/12 ,  H04W84/04 ,  H04W88/04

    Abstract: Techniques to support multihop relay in a wireless communication system are described. In an aspect, a relay station receives data and a first pilot from an upstream station, e.g., a base station or another relay station. The relay station derives a channel estimate based on the first pilot and performs detection for the data based on the channel estimate. The relay station resends the data and sends a second pilot to a downstream station, e.g., a subscriber station or another relay station. Each pilot may be sent in accordance with a pilot format selected for that pilot. The first and second pilots may be sent using the same or different pilot formats. The relay station may receive channel information from the second station and may forward the channel information to the first station and/or select a rate for data transmission to the second station based on the channel information.

    DATA TRANSMISSION AND POWER CONTROL IN A MULTIHOP RELAY COMMUNICATION SYSTEM
    32.
    发明专利
    DATA TRANSMISSION AND POWER CONTROL IN A MULTIHOP RELAY COMMUNICATION SYSTEM 未知

    公开(公告)号：CA2678411A1

    公开(公告)日：2008-09-25

    申请号：CA2678411

    申请日：2008-03-14

    Applicant: QUALCOMM INC

    Inventor： JI TINGFANG ,  DAYAL PRANAV

    IPC: H04L1/00

    Abstract: Techniques for transmitting data with distributed and centralized schedul ing in a multihop relay communication system are described. For distributed scheduling, a relay station may generate and send first channel quality info rmation (CQI) to a base station and receive second CQI from a subscriber sta tion. The relay station may receive data sent by the base station based on t he first CQI and may resend the data to the subscriber station based on the second CQI. For centralized scheduling, the relay station may generate first CQI for the base station, receive second CQI from the subscriber station, a nd send both CQIs to the base station. The relay station may receive data se nt by the base station based on the first CQI and may resend the data to the subscriber station based on a scheduling decision determined based on the s econd CQI. Techniques for distributed and centralized power control are also described.

    RESOURCE SCALING IN WIRELESS COMMUNICATION SYSTEMS
    33.
    发明申请
    RESOURCE SCALING IN WIRELESS COMMUNICATION SYSTEMS 审中-公开
    无线通信系统中的资源缩放

    公开(公告)号：WO2009059068A2

    公开(公告)日：2009-05-07

    申请号：PCT/US2008081885

    申请日：2008-10-30

    Applicant: QUALCOMM INC ,  JI TINGFANG ,  GOROKHOV ALEXEI ,  DAYAL PRANAV

    Inventor： JI TINGFANG ,  GOROKHOV ALEXEI ,  DAYAL PRANAV

    IPC: H04W16/04

    CPC classification number: H04W28/16 ,  H04W28/18

    Abstract: Systems and methodologies are described that facilitate resource scaling for inter-access point fairness in a wireless communication system. As described herein, an offered load of an access point can be determined based on one or more loading metrics relating to associated terminals, throughput, data rate, quality of service (QoS), or the like. Based on the determined offered load of an access point, resources used by the access point and/or power utilized for communication over those resources can be scaled based on a comparison of the offered load of the access point to a nominal or default offered load. Centralized techniques for resource scaling are described herein, wherein one or more centralized controllers coordinate resource scaling with respective access points via backhaul messaging. In addition, distributed techniques for resource scaling are described herein, wherein neighboring access points communicate with each other via over-the-air messaging to determine a local optimal resource apportionment.

    Abstract translation: 描述了有助于无线通信系统中的接入点间公平性的资源调整的系统和方法。 如这里所描述的，接入点的提供的负载可以基于与关联的终端有关的一个或多个负载指标，吞吐量，数据速率，服务质量（QoS）等来确定。 基于所确定的接入点的所提供负载，基于接入点的提供负载与标称或默认提供负载的比较，可以缩放由接入点使用的资源和/或用于在这些资源上进行通信的功率。 这里描述了用于资源缩放的集中式技术，其中一个或多个中央控制器经由回程消息传递协调资源缩放与各个接入点。 另外，本文描述了用于资源缩放的分布式技术，其中相邻接入点经由空中消息传送来彼此通信以确定本地最优资源分配。

    Mitigación de los problemas de coexistencia en comunicación de múltiples radios
    35.
    发明专利
    Mitigación de los problemas de coexistencia en comunicación de múltiples radios 未知

    公开(公告)号：ES2813405T3

    公开(公告)日：2021-03-23

    申请号：ES11713598

    申请日：2011-03-30

    Applicant: QUALCOMM INC

    Inventor： DAYAL PRANAV ,  KADOUS TAMER ADEL ,  MANTRAVADI ASHOK ,  WANG JIBING ,  PRAKASH RAJAT

    IPC: H04W16/14 ,  H04W72/12 ,  H04W88/06

    Abstract: Un procedimiento de comunicación inalámbrica de múltiples radios en un sistema que comprende un equipo de usuario, UE, (116, 122, 250, 510, 600, 910) y una estación base (930), que comprende: identificar (1002) por el UE al menos un problema de coexistencia correspondiente a un conjunto de recursos de comunicación del UE (116, 122, 250, 510, 600, 910); y comunicar (1004) por el UE una indicación del al menos un problema de coexistencia a una estación base (100, 210, 522, 532, 930); caracterizado por: recibir (1102) la indicación del al menos un problema de coexistencia en la estación base; y asignar (1104) en la estación base al menos un parámetro asociado con la comunicación en el UE, siendo dicha asignación en respuesta a la indicación recibida, en el que asignar al menos un parámetro implica programar selectivamente un patrón de huecos de medición para el UE, para mitigar el al menos un problema de coexistencia.

    Procedimiento y aparato para facilitar soporte para coexistencia de múltiples radios
    37.
    发明专利
    Procedimiento y aparato para facilitar soporte para coexistencia de múltiples radios 未知

    公开(公告)号：ES2745128T3

    公开(公告)日：2020-02-27

    申请号：ES11713594

    申请日：2011-03-30

    Applicant: QUALCOMM INC

    Inventor： DAYAL PRANAV ,  MANTRAVADI ASHOK ,  KADOUS TAMER ADEL ,  AGASHE PARAG ARUN

    IPC: H04W16/14

    Abstract: Un procedimiento de comunicación inalámbrica, comprendiendo el procedimiento: un equipo de usuario (116, 122, 510, 600, 910, 1003) que identifica al menos un recurso actual de una primera tecnología de acceso por radio, RAT, del equipo de usuario para el cual está presente un problema de coexistencia con una segunda RAT del equipo de usuario (1102); dicho equipo de usuario (116, 122, 510, 600, 910, 1003) envía un mensaje de petición de traspaso a una estación base que incluye información indicativa del problema de coexistencia para el al menos un recurso actual (etapa 1104), con la información que incluye al menos una lista negra de recursos que experimentan problemas de coexistencia; y dicho equipo de usuario (116, 122, 510, 600, 910, 1003) que envía un segundo mensaje que indica un problema de coexistencia anterior ya no está presente.

    PILOT TRANSMISSION BY RELAY STATIONS IN A MULTIHOP RELAY COMMUNICATION SYSTEM
    39.
    发明专利
    PILOT TRANSMISSION BY RELAY STATIONS IN A MULTIHOP RELAY COMMUNICATION SYSTEM 未知

    公开(公告)号：CA2934632C

    公开(公告)日：2018-01-16

    申请号：CA2934632

    申请日：2008-03-14

    Applicant: QUALCOMM INC

    Inventor： DAYAL PRANAV ,  JI TINGFANG

    IPC: H04W68/08 ,  H04B1/76 ,  H04B7/155 ,  H04J11/00 ,  H04W24/00 ,  H04W48/08 ,  H04W48/12 ,  H04W84/04 ,  H04W88/04

    Abstract: Techniques to support multihop relay in a wireless communication system are described. In an aspect, a relay station receives data and a first pilot from an upstream station, e.g., a base station or another relay station. The relay station derives a channel estimate based on the first pilot and performs detection for the data based on the channel estimate. The relay station resends the data and sends a second pilot to a downstream station, e.g., a subscriber station or another relay station. Each pilot may be sent in accordance with a pilot format selected for that pilot. The first and second pilots may be sent using the same or different pilot formats. The relay station may receive channel information from the second station and may forward the channel information to the first station and/or select a rate for data transmission to the second station based on the channel information.

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