Method and apparatus for overhead reduction in enhanced up link in wireless communication system
    1.
    发明专利
    Method and apparatus for overhead reduction in enhanced up link in wireless communication system 有权
    无线通信系统中增强链路中超越减少的方法与装置

    公开(公告)号:JP2011125007A

    公开(公告)日:2011-06-23

    申请号:JP2010270470

    申请日:2010-12-03

    CPC classification number: H04L1/1841 H04L1/16 H04L1/1812 H04L1/1887

    Abstract: PROBLEM TO BE SOLVED: To transmit data using smaller data overhead in a wireless communication system.
    SOLUTION: Systems and methods are provided in a synchronous wireless communication system that enables data transmission without specifying information embedded in a packet between wireless mobile user equipment and base stations to reduce transmission overhead thereby. Packets are reordered in the base stations based on a pre-preparation transmitting method in which retransmission of failed packets is expected in a corresponding HARQ instance of the next group.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:在无线通信系统中使用较小的数据开销传输数据。 解决方案:在同步无线通信系统中提供系统和方法,其能够在不指定嵌入在无线移动用户设备和基站之间的分组中的信息的情况下进行数据传输,从而减少传输开销。 基于在下一组的相应HARQ实例中期望发送失败分组的预备发送方法,在基站中重新排序分组。 版权所有(C)2011,JPO&INPIT

    Forward link handoff for wireless communication system including ofdm forward link and cdma reverse link
    2.
    发明专利
    Forward link handoff for wireless communication system including ofdm forward link and cdma reverse link 有权
    用于无线通信系统的前向链路切换,包括OFDM前向链路和CDMA反向链路

    公开(公告)号:JP2011061806A

    公开(公告)日:2011-03-24

    申请号:JP2010223988

    申请日:2010-10-01

    CPC classification number: H04W36/30

    Abstract: PROBLEM TO BE SOLVED: To provide a method for performing handoff on a forward link for a terminal, in a wireless communication system including multi-carrier modulation (MCM) for a forward link and CDMA for a reverse link.
    SOLUTION: Signal quality of pilots received by a terminal from a plurality of base stations in a system is determined. A particular base station for subsequent data transmission on a forward link to the terminal is selected based on the signal quality determined for the plurality of base stations. A request to be handed off to the particular base station is initiated if the particular base station is different than a currently selected base station.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种在用于正向链路的多载波调制(MCM)和用于反向链路的CDMA的无线通信系统中在终端的前向链路上执行切换的方法。 解决方案:确定终端从系统中的多个基站接收的导频的信号质量。 基于为多个基站确定的信号质量来选择用于在到终端的前向链路上的后续数据传输的特定基站。 如果特定基站不同于当前选择的基站,则启动要切换到特定基站的请求。 版权所有(C)2011,JPO&INPIT

    Noise and channel estimation using low spreading factors
    4.
    发明专利
    Noise and channel estimation using low spreading factors 有权
    噪声和通道估计使用低扩张因子

    公开(公告)号:JP2011055509A

    公开(公告)日:2011-03-17

    申请号:JP2010213888

    申请日:2010-09-24

    CPC classification number: H04B1/1027 H04B1/7097 H04L1/20 H04L25/0228

    Abstract: PROBLEM TO BE SOLVED: To make noise measurements within a factor of a single symbol period of a longest orthogonal code symbol.
    SOLUTION: A control processor 520 identifies an unoccupied code having a spreading factor that is less than a longest spreading factor for the system. A despreader 512 measures symbol energy based on the unoccupied code and a noise estimator 516 generates noise estimations based on the measured symbol energies. A subscriber station uses similar techniques in order to perform channel estimations within a period that is a fraction of a symbol period of a longest-spreading-factor code.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:在最长正交码符号的单个符号周期内进行噪声测量。 解决方案:控制处理器520识别具有小于系统的最长扩展因子的扩展因子的未占用代码。 解扩器512基于未占用代码测量符号能量,并且噪声估计器516基于测量的符号能量生成噪声估计。 订户站使用类似的技术来在作为最长扩展因子码的符号周期的一部分的周期内执行信道估计。 版权所有(C)2011,JPO&INPIT

    Multiplexing of w-cdma and ofdm signals in wireless communication system
    5.
    发明专利
    Multiplexing of w-cdma and ofdm signals in wireless communication system 审中-公开
    W-CDMA和OFDM信号在无线通信系统中的多路复用

    公开(公告)号:JP2011124992A

    公开(公告)日:2011-06-23

    申请号:JP2010254728

    申请日:2010-11-15

    Abstract: PROBLEM TO BE SOLVED: To provide a frame structure and a transmission technique for a wireless communication system. SOLUTION: In a single frame structure 200, a superframe includes a plurality of outer frames, each of the outer frames includes a plurality of frames, and each of the frames includes a plurality of time slots. The time slots in each superframe are allocated to downlink and uplink and to different wireless techniques (for example, W-CDMA and OFDM) based on loading. Each physical channel is allocated to time slots in the frames of each outer frame in the superframe. An OFDM waveform is generated for an OFDM slot of each downlink, a W-CDMA waveform is generated for a W-CDMA slot of each downlink, and the waveforms are multiplexed on each slot. A modulation signal is generated for the multiplexed W-CDMA and OFDM waveform and transmitted on the downlink. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种用于无线通信系统的帧结构和传输技术。 解决方案:在单帧结构200中,超帧包括多个外帧,每个外帧包括多个帧,并且每个帧包括多个时隙。 每个超帧中的时隙基于加载被分配给下行链路和上行链路以及不同的无线技术(例如,W-CDMA和OFDM)。 每个物理信道被分配给超帧中的每个外帧的帧中的时隙。 为每个下行链路的OFDM时隙生成OFDM波形,为每个下行链路的W-CDMA时隙生成W-CDMA波形,并且在每个时隙上复用波形。 为多路复用的W-CDMA和OFDM波形生成调制信号并在下行链路上发送。 版权所有(C)2011,JPO&INPIT

    Wireless communication system with configurable cyclic prefix length
    6.
    发明专利
    Wireless communication system with configurable cyclic prefix length 有权
    具有可配置循环前缀长度的无线通信系统

    公开(公告)号:JP2010263652A

    公开(公告)日:2010-11-18

    申请号:JP2010163050

    申请日:2010-07-20

    Abstract: PROBLEM TO BE SOLVED: To provide a wireless communication system with a configurable cyclic prefix length.
    SOLUTION: To transmit data in a manner to mitigate the deleterious effects of delay spread, the expected coverage areas for multiple transmissions to be sent in multiple time slots are initially determined. Cyclic prefix lengths for these transmissions are selected based on the expected coverage areas. The cyclic prefix length for each transmission may be selected from among a set of allowed cyclic prefix lengths on the basis of the expected coverage area for that transmission, the pilot staggering used for the transmission, and so on. For example, a shorter cyclic prefix length may be selected for each local transmission, and a longer cyclic prefix length may be selected for each wide-area transmission. The selected cyclic prefix lengths may be signaled to the terminals.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:为无线通信系统提供可配置的循环前缀长度。 解决方案:为了以减轻延迟扩展的有害影响的方式发送数据,最初确定要在多个时隙中发送的多个传输的预期覆盖区域。 基于预期的覆盖区域来选择这些传输的循环前缀长度。 可以根据该传输的预期覆盖区域,用于传输的导频交错等,从一组允许的循环前缀长度中选择每个传输的循环前缀长度,等等。 例如,可以为每个本地传输选择较短的循环前缀长度,并且可以为每个广域传输选择较长的循环前缀长度。 所选择的循环前缀长度可以被发送到终端。 版权所有(C)2011,JPO&INPIT

    METHOD FOR PROVIDING FORWARD LINK HANDOFF IN A WIRELESS COMMUNICATION SYSTEM WITH OFDM FORWARD LINK AND CDMA REVERSE LINK
    9.
    发明申请
    METHOD FOR PROVIDING FORWARD LINK HANDOFF IN A WIRELESS COMMUNICATION SYSTEM WITH OFDM FORWARD LINK AND CDMA REVERSE LINK 审中-公开
    在无线通信系统中使用OFDM前向链路和CDMA反向链路提供前向链路切换的方法

    公开(公告)号:WO2004064294A8

    公开(公告)日:2006-10-12

    申请号:PCT/US2004000324

    申请日:2004-01-07

    CPC classification number: H04W36/30

    Abstract: A method and apparatus for performing handoff in a wireless communication system with multi-carrier modulation (MCM) for a forward link and CDMA for a reverse link. In one embodiment, a method of performing handoff on the forward link for a terminal is provided in which signal quality of pilots received by the terminal from a plurality of base stations in the system is determined. A particular base station for subsequent data transmission on the forward link to the terminal is selected based on the signal quality determined for the plurality of base stations. A request to be handed off to the particular base station is initiated if the particular base station is different than a currently selected base station.

    Abstract translation: 一种用于在用于前向链路的多载波调制(MCM)和用于反向链路的CDMA的无线通信系统中执行切换的方法和装置。 在一个实施例中,提供了一种在终端的前向链路上执行切换的方法,其中终端从系统中的多个基站接收的导频的信号质量被确定。 基于为多个基站确定的信号质量来选择用于在到终端的前向链路上的后续数据传输的特定基站。 如果特定基站不同于当前选择的基站,则启动要切换到特定基站的请求。

    METHOD FOR PROVIDING FORWARD LINK HANDOFF IN A WIRELESS COMMUNICATION SYSTEM WITH OFDM FORWARD LINK AND COMA REVERSE LINK
    10.
    发明申请
    METHOD FOR PROVIDING FORWARD LINK HANDOFF IN A WIRELESS COMMUNICATION SYSTEM WITH OFDM FORWARD LINK AND COMA REVERSE LINK 审中-公开
    在无线通信系统中提供前向链路切换的方法,具有OFDM前向链路和COMA反向链路

    公开(公告)号:WO2004064294A3

    公开(公告)日:2004-11-25

    申请号:PCT/US2004000324

    申请日:2004-01-07

    CPC classification number: H04W36/30

    Abstract: A method and apparatus for performing handoff in a wireless communication system with multi-carrier modulation (MCM) for a forward link and CDMA for a reverse link. In one embodiment, a method of performing handoff on the forward link for a terminal is provided in which signal quality of pilots received by the terminal from a plurality of base stations in the system is determined. A particular base station for subsequent data transmission on the forward link to the terminal is selected based on the signal quality determined for the plurality of base stations. A request to be handed off to the particular base station is initiated if the particular base station is different than a currently selected base station.

    Abstract translation: 一种用于在用于前向链路的多载波调制(MCM)和用于反向链路的CDMA的无线通信系统中执行切换的方法和装置。 在一个实施例中,提供了一种在终端的前向链路上执行切换的方法,其中终端从系统中的多个基站接收的导频的信号质量被确定。 基于为多个基站确定的信号质量来选择用于在到终端的前向链路上的后续数据传输的特定基站。 如果特定基站不同于当前选择的基站,则启动要切换到特定基站的请求。

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