会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • METHODS AND APPARATUS OF PROVIDING TRANSMIT DIVERSITY IN A MULTIPLE ACCESS WIRELESS COMMUNICATION SYSTEM
    • 在多路访问无线通信系统中提供传输多样性的方法和装置
    • WO2004066104A2
    • 2004-08-05
    • PCT/US2004001979
    • 2004-01-23
    • FLARION TECHNOLOGIES INCLAROIA RAJIVLI JUNYIRANGAN SUNDEEPSRINIVASAN MURARI
    • LAROIA RAJIVLI JUNYIRANGAN SUNDEEPSRINIVASAN MURARI
    • H04W88/18H04B7/06G06F
    • H04B7/0626
    • Methods and apparatus for providing channel diversity to wireless terminals (WTs) in a manner that reduces the latency between the time a WT encounters satisfactory channel conditions are described. A plurality of communications channels with different physical characteristics are maintained in a cell by a base station (BS). Each WT monitors multiple channels and maintains multiple channel estimates at the same time so that rapid switching between channels is possible. Channel quality information is conveyed from each WT to the BS. The WT or BS selects a channel based on the measured channel quality. By supporting multiple channels and by introducing periodic variations into the channels in various embodiments, the time before a WT encounters a channel with good or acceptable channel conditions is minimized even if the WT does not change location. Multiple antennas are used at the BS to support numerous channels simultaneously, e.g., by controlling antenna patterns.
    • 描述了以降低WT遇到令人满意的信道条件的时间之间的等待时间的方式向无线终端(WT)提供信道分集的方法和装置。 具有不同物理特性的多个通信信道由基站(BS)保持在小区中。 每个WT监视多个信道并同时维持多个信道估计,使得信道之间的快速切换是可能的。 信道质量信息从每个WT传送到BS。 WT或BS基于测量的信道质量来选择信道。 通过支持多个信道并且在各种实施例中引入周期性变化到信道中,即使WT不改变位置,WT遇到具有良好或可接受的信道条件的信道之前的时间被最小化。 在BS处使用多个天线来同时支持多个信道,例如通过控制天线方向图。
    • 4. 发明申请
    • CONTROLLED SUPERPOSITION CODING IN MULTI-USER COMMUNICATION SYSTEMS
    • 多用户通信系统中的控制代码编码
    • WO2004075470A3
    • 2004-12-09
    • PCT/US2004004947
    • 2004-02-19
    • FLARION TECHNOLOGIES INCLAROIA RAJIVLI JUNYISRINIVASAN MURARI
    • LAROIA RAJIVLI JUNYISRINIVASAN MURARI
    • H04B7/005H04L5/04H04L27/34H04W52/24H04W52/28H04L25/03H04B1/00H04B7/00
    • H04W52/283H04L1/1607H04L1/1861H04L5/04H04L27/2604H04L27/3488H04W52/24
    • Methods of using superposition coding in a communications systems, e.g., a multi-user communications system. Superpostion coding in accordance with the invention occurs in the case of an uplink (1212, 1216) by transmissions of different wireless terminals (1204, 1206) transmitting using the same communications resource, e.g., simultaneously transmitting using the same frequencies. The signals combine in the communications channel resulting in one transmission being superimposed on the other transmission. The device, e.g., base station (1207), receiving the superimposed signals uses superposition decoding techniques to recover both signals. To obtain the benefit of the superposition, assignments of channel segments to multiple wireless terminals is controlled by the base station and/or transmission power levels are controlled by on or more wireless terminals sharing the same uplink communications resource, e.g., time slot, to make sure that the received signals from the different devices will have different received power levels making superposition decoding possible.
    • 在通信系统(例如,多用户通信系统)中使用叠加编码的方法。 在通过使用相同通信资源发送的不同无线终端(1204,1206)的传输的上行链路(1212,1216)的情况下发生根据本发明的超扩频编码,例如,使用相同频率同时发射。 信号在通信信道中组合,导致一个传输被叠加在另一个传输上。 接收叠加信号的设备,例如基站(1207)使用叠加解码技术来恢复两个信号。 为了获得叠加的优点,信道段对多个无线终端的分配由基站控制,并且/或发射功率电平由共享相同上行链路通信资源(例如时隙)的多个无线终端控制,以使 确保来自不同设备的接收信号将具有不同的接收功率电平,从而使叠加解码成为可能。
    • 6. 发明申请
    • OVERHEAD SIGNALING IN A WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统中的超声信号
    • WO2007121333A2
    • 2007-10-25
    • PCT/US2007066583
    • 2007-04-13
    • QUALCOMM INCLEONIDOV ALEXANDERJIN HUILAROIA RAJIVLI JUNYISRINIVASAN MURARI
    • LEONIDOV ALEXANDERJIN HUILAROIA RAJIVLI JUNYISRINIVASAN MURARI
    • H04L27/26
    • H04L27/2608
    • Improved ways of communicating assignment signals using flash signaling are described, e.g., for wireless terminals with low SNR, that are more robust against large variation of channel gains due to e.g., frequency selective fading and fast fading in time. Coding and modulation methods and apparatus that have excellent properties against symbol erasures are described. The use of flash signaling provides an improved assignment channel having strong performance on the fading channel without compromising the performance on the AWGN channel. In one exemplary embodiment, the coding and modulation method can tolerate up to 5 erased symbols out of 8 transmitted symbols. One embodiment reduces or minimizes the sector interference on the flash assignment by improving or maximizing orthogonality between different sectors. In addition, one embodiment describes improved ways of swapping flash assignment tone-symbols in the presence other high priority signals, like sector pilots and sector null pilots.
    • 例如,对于具有低SNR的无线终端,使用闪信号进行传送分配信号的改进方式对于由于例如频率选择性衰落和时间上的快速衰落而导致的信道增益的大变化更加鲁棒。 描述了具有针对符号擦除的优异特性的编码和调制方法和装置。 闪光信令的使用提供了在衰落信道上具有强性能的改进的分配信道,而不损害AWGN信道上的性能。 在一个示例性实施例中,编码和调制方法可以容忍8个发送的符号中多达5个擦除的符号。 一个实施例通过改善或最大化不同扇区之间的正交性来减少或最小化闪存分配上的扇区干扰。 此外,一个实施例描述了在存在其他高优先级信号(如扇区导频和扇区空导频)的情况下交换闪存分配音调符号的改进方式。
    • 8. 发明申请
    • METHODS AND APPARATUS FOR COMMUNICATING TRANSMISSION BACKLOG INFORMATION
    • 用于传播传输信息的方法和装置
    • WO2007076036A3
    • 2008-05-22
    • PCT/US2006049081
    • 2006-12-20
    • QUALCOMM INCDAS ARNABRANGAN SUNDEEPALEJANDRO ANIGSTEIN PABLOSRINIVASAN MURARI
    • DAS ARNABRANGAN SUNDEEPALEJANDRO ANIGSTEIN PABLOSRINIVASAN MURARI
    • H04W24/10H04W72/12
    • H04W72/1284H04B17/24H04W8/24H04W24/10H04W72/1231
    • Methods and apparatus for communicating transmission backlog information are described. Reporting control factors are utilized to expand reporting possibilities for a fixed bit size request report. At least one report control factor is determined as a function of channel quality information, power information, device capability information, and/or quality of service information. A transmission backlog report value is interpreted as a function of a reporting control factor. A wide range of quantization schemes for reporting transmission backlog information are facilitated corresponding to a small bit size report. A communications device can adaptively select a quantization request level closely matched to its current needs such as to provide an accurate representation of its current traffic channel resource needs. A communications device may request a number of frames in a request report and the same report may be indirectly requesting a number of communications segments needed to clear its transmission backlog.
    • 描述用于传送传输积压信息的方法和装置。 报告控制因素用于扩展固定位大小请求报告的报告可能性。 至少一个报告控制因子被确定为信道质量信息,功率信息,设备能力信息和/或服务质量信息的函数。 传输积压报告值被解释为报告控制因子的函数。 用于报告传输积压信息的宽范围的量化方案对应于小位尺寸报告是便利的。 通信设备可以自适应地选择与其当前需求紧密匹配的量化请求级别,以提供其当前业务信道资源需求的精确表示。 通信设备可以在请求报告中请求多个帧,并且相同的报告可以间接地请求清除其传输积压所需的多个通信段。