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1. 发明申请

WO2007111742A3 APPARATUS AND METHODS FOR DETERMINING TIMING IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：用于确定通信系统中的时序的装置和方法
公开(公告)号：WO2007111742A3
公开(公告)日：2008-01-24
申请号：PCT/US2006062195
申请日：2006-12-15
申请人： QUALCOMM INC , MUKKAVILLI KRISHNA KIRAN , WANG MICHAEL MAO , KRISHNAMOORTHI RAGHURAMAN
发明人： MUKKAVILLI KRISHNA KIRAN , WANG MICHAEL MAO , KRISHNAMOORTHI RAGHURAMAN
IPC分类号： H04L25/02 , H04L27/26
CPC分类号： H04L27/2662 , H04L25/0202 , H04L27/2686
摘要： Apparatus and methods for use in a wireless communication system are disclosed for determining a timing position for channel activity in order to resolve timing ambiguity. A disclosed apparatus includes a processor that determines when channel activity occurs in at least one of an early or a late arrival position in a communication channel estimate and unwraps the channel activity in either the early arrival position or the late arrival position to a corresponding late or early arrival unwrapped channel activity position in the wireless channel estimate. The processor correlates symbol data in the communication signal corresponding to both the channel activity and the unwrapped channel activity to symbol data of the main channel activity. The processor determines whether a correct timing position of the channel activity is one of the early or late arrival positions based on the correlations, thus resolving timing ambiguity. Complementary methods are also disclosed.
摘要翻译：公开了用于无线通信系统中的装置和方法，用于确定信道活动的定时位置，以便解决定时模糊。所公开的装置包括处理器，其确定在通信信道估计中的早期或迟到到达位置中的至少一个中何时发生信道活动，并且将早期到达位置或延迟到达位置中的信道活动解包到相应的延迟或在无线信道估计中提前到达解开的频道活动位置。处理器将对应于信道活动和解开的信道活动的通信信号中的符号数据与主信道活动的符号数据相关联。处理器基于相关性确定信道活动的正确定时位置是早期还是迟到位置之一，从而解决定时模糊度。还公开了互补方法。

2. 发明申请

WO2007014360A3 SYSTEM AND METHOD FOR A FORWARD LINK ONLY PHYSICAL LAYER 审中-公开
标题翻译：仅用于前向链接物理层的系统和方法
公开(公告)号：WO2007014360A3
公开(公告)日：2007-04-19
申请号：PCT/US2006029621
申请日：2006-07-27
申请人： QUALCOMM INC , LING FUYUN , CHARI MURALI RAMASWAMY , VIJAYAN RAJIV , MANTRAVADI ASHOK , GUPTA ALOK KUMAR , MUKKAVILLI KRISHNA KIRAN , WANG MICHAEL MAO , VRCELJ BOJAN , COLLINS BRUCE
发明人： LING FUYUN , CHARI MURALI RAMASWAMY , VIJAYAN RAJIV , MANTRAVADI ASHOK , GUPTA ALOK KUMAR , MUKKAVILLI KRISHNA KIRAN , WANG MICHAEL MAO , VRCELJ BOJAN , COLLINS BRUCE
IPC分类号： H04L12/56 , H04W88/02 , H04W92/10
CPC分类号： H04L1/0002 , H04L1/0017 , H04L1/0041 , H04L1/0075 , H04L5/0007 , H04L5/0048 , H04L27/2613 , H04L27/2647 , H04L27/2662 , H04L69/32 , H04W48/08 , H04W72/005 , H04W80/00 , H04W88/02 , H04W92/10
摘要： Systems and methods are provided for processing forward link only (FLO) signals. A device receives a FLO signal, processes a TDM pilot comprising a TDM Pilot 1, a TDM Pilot 2, a WIC, a LIC, a Transition Pilot Channel, and a Positioning Pilot, from the FLO signal, processes an overhead information symbol (OIS) comprising a wide-area OIS and a local-area OIS, from the FLO signal, processes an FDM pilot comprising a wide-area FDM pilot and a local-area FDM pilot, from the FLO signal; and processes data comprising wide-area data and local-area data, from the FLO signal.
摘要翻译：提供用于处理仅前向链路（FLO）信号的系统和方法。设备接收FLO信号，根据FLO信号处理包括TDM导频1，TDM导频2，WIC，LIC，转换导频信道和定位导频的TDM导频，处理开销信息符号（OIS ）包括来自FLO信号的广域OIS和局域OIS，从FLO信号处理包括广域FDM导频和局域FDM导频的FDM导频; 并且从FLO信号处理包括广域数据和局域数据的数据。

3. 发明申请

WO2010132446A3 SIGNAL BLANKING FOR IMPROVED FREQUENCY DOMAIN CHANNEL ESTIMATION 审中-公开
标题翻译：用于改进的频域信道估计的信号空白
公开(公告)号：WO2010132446A3
公开(公告)日：2011-03-17
申请号：PCT/US2010034384
申请日：2010-05-11
申请人： QUALCOMM INC , HOWARD STEVEN J , JAROSINSKI TADEUSZ , GORE DHANANJAY ASHOK , BARRIAC GWENDOLYN DENISE , WANG MICHAEL MAO , TIAN TAO
发明人： HOWARD STEVEN J , JAROSINSKI TADEUSZ , GORE DHANANJAY ASHOK , BARRIAC GWENDOLYN DENISE , WANG MICHAEL MAO , TIAN TAO
IPC分类号： H04B7/155 , H04B17/40 , H04L27/26
CPC分类号： H04B7/15535 , H04B7/15585 , H04L27/2607 , H04L27/2613
摘要： A wireless repeater includes a channel estimation block to estimate a feedback channel between the antennas of the repeater using frequency domain channel estimation. The repeater includes a pilot signal blanking circuit to blank out a selected number of samples of the pilot signal to improve the accuracy of the channel estimation. In another embodiment, the repeater replaces T samples of the pilot signal with a cyclic prefix.
摘要翻译：无线中继器包括信道估计块，用于使用频域信道估计来估计中继器的天线之间的反馈信道。中继器包括导频信号消隐电路，用于消除导频信号的选定数目的样本，以提高信道估计的精度。在另一个实施例中，中继器用循环前缀替换导频信号的T个样本。

4. 发明申请

WO2008027918A3 METHOD AND APPARATUS FOR COMMUNICATING NETWORK IDENTIFIERS IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：在通信系统中通信网络识别器的方法和装置
公开(公告)号：WO2008027918A3
公开(公告)日：2008-07-17
申请号：PCT/US2007077031
申请日：2007-08-28
申请人： QUALCOMM INC , WANG MICHAEL MAO
发明人： WANG MICHAEL MAO
IPC分类号： H04L27/26 , H04W48/10
CPC分类号： H04L1/0041 , H04L1/0066 , H04L1/0069 , H04L1/0071 , H04L5/0023 , H04L5/0042 , H04L5/0044 , H04L5/0083 , H04L5/0091 , H04L25/0228 , H04W48/10
摘要： Method and apparatus for progressive preamble transmission in a communication system, such as a wireless system, is disclosed. In particular, a first symbol is utilized to communicate first timing information for coarse timing acquisition. A second symbol communicates first information including network identification information concerning a first network for fine timing acquisition of symbols in the first network. If a second network data is desired, a progressive or selectively utilizable third symbol communicates second information including network identification information concerning a second network. The network identification information concerning the second network includes network identification information concerning the first network to minimize processing to determine fine timing acquisition for the second network data.
摘要翻译：公开了在诸如无线系统的通信系统中用于逐行前导码传输的方法和装置。特别地，利用第一符号来传送用于粗定时获取的第一定时信息。第二符号传送包括关于第一网络的网络识别信息的第一信息，以便第一网络中的符号的精确定时获取。如果需要第二网络数据，则逐行或可选地使用的第三符号传送包括关于第二网络的网络识别信息的第二信息。关于第二网络的网络识别信息包括关于第一网络的网络识别信息，以最小化处理以确定第二网络数据的精确定时获取。

5. 发明申请

WO2006015269A9 SYSTEM AND METHOD FOR DIVERSITY INTERLEAVING 审中-公开
标题翻译：用于多样性交互的系统和方法
公开(公告)号：WO2006015269A9
公开(公告)日：2006-08-10
申请号：PCT/US2005027105
申请日：2005-07-29
申请人： QUALCOMM INC , WANG MICHAEL MAO , LING FUYUN , MURALI RAMASWAMY , VIJAYAN RAJIV
发明人： WANG MICHAEL MAO , LING FUYUN , MURALI RAMASWAMY , VIJAYAN RAJIV
IPC分类号： H04L1/00
CPC分类号： H04L1/0071 , H03M13/27 , H03M13/271 , H03M13/2757 , H03M13/276 , H03M13/2771 , H04L1/00 , H04L1/0041 , H04L1/0066 , H04L1/007 , H04L5/0007 , H04L5/0042 , H04L5/0044 , H04L5/0048 , H04L5/0083 , H04L25/0226 , H04L27/2607 , H04L27/261 , H04L27/2626 , H04L27/2656 , H04L27/2662
摘要： A system and method for modulation diversity uses interleaving. Code bits are placed into groups and are then shuffled within each group.
摘要翻译：用于调制分集的系统和方法使用交织。代码位被放置成组，然后在每个组内进行混洗。

6. 发明申请

WO2008052001A3 GUARD INDEPENDENT SIGNAL MAPPING 审中-公开
标题翻译： GUARD独立信号映射
公开(公告)号：WO2008052001A3
公开(公告)日：2008-10-09
申请号：PCT/US2007082278
申请日：2007-10-23
申请人： QUALCOMM INC , PALANKI RAVI , WANG MICHAEL MAO
发明人： PALANKI RAVI , WANG MICHAEL MAO
IPC分类号： H04L27/26 , H04L5/02
CPC分类号： H04L27/261 , H04B7/04 , H04L5/023 , H04L27/2602
摘要： Systems and methodologies are described that facilitate guard bandwidth independent mapping and de-mapping of bandwidth in a wireless communication system. Broadcast signals can be created as if all bandwidth were available, and guard bandwidth can be initialized over the utilized bandwidth such to puncture the data existing in the guard bandwidth. Upon decoding the broadcast signal, size of the guard bandwidth can be predetermined or estimated allowing a center portion of the signal to be decoded without decoding the guard bandwidth. In this regard, the decoder of the signal need not find exact positions of the guard bandwidth as transforming and decoding the center portion can provide a substantial portion of the signal to interpret the signal.
摘要翻译：描述了有助于无线通信系统中的保护带宽独立映射和带宽解映射的系统和方法。可以创建广播信号，就好像所有带宽都可用一样，并且可以在利用的带宽上初始化保护带宽，以便穿透保护带宽中存在的数据。在解码广播信号时，可以预先确定或估计保护带宽的大小，从而允许解码信号的中心部分而不解码保护带宽。在这点上，信号的解码器不需要找到保护带宽的确切位置，因为中心部分的变换和解码可以提供大部分信号来解释信号。

7. 发明申请

WO2007120336A3 APPARATUS AND METHODS FOR TIMING RECOVERY IN A WIRELESS TRANSCEIVER 审中-公开
标题翻译：用于在无线收发器中恢复时间的装置和方法
公开(公告)号：WO2007120336A3
公开(公告)日：2008-04-17
申请号：PCT/US2006062129
申请日：2006-12-14
申请人： QUALCOMM INC , WANG MICHAEL MAO , VRCELJ BOJAN , LING FUYUN , VIJAYAN RAJIV
发明人： WANG MICHAEL MAO , VRCELJ BOJAN , LING FUYUN , VIJAYAN RAJIV
IPC分类号： H04L27/26
CPC分类号： H04L27/2656 , H04L27/261 , H04L27/2675
摘要： Apparatus and methods for use in a wireless communication system are disclosed for recovery of timing tracking in a device, such as a wireless transceiver, after decoding errors occur due to incorrect timing tracking. In particular, the disclosed methods and apparatus recover timing tracking by monitoring a decoded signal in the transceiver for decoding errors occurring during a first frame, determining whether a number of decoding errors is greater than a predetermined amount, reacquiring a first pilot channel at a start of a subsequently received second frame when the number of decoding errors is determined to be greater than the predetermined amount, and resetting timing tracking of the transceiver based on the reacquired first pilot channel.
摘要翻译：在无线通信系统中使用的装置和方法被公开用于在诸如无线收发器的设备中恢复定时跟踪，在由于不正确的定时跟踪而导致解码错误之后。具体地，所公开的方法和装置通过监视收发器中的解码信号来恢复定时跟踪，以解码在第一帧期间发生的错误，确定解码错误的数量是否大于预定量，开始时重新获取第一导频信道当确定解码错误的数量大于预定量时，随后接收到的第二帧，并且基于重新获取的第一导频信道来重置收发信机的定时跟踪。

8. 发明申请

WO2006105177A2 OPTIMAL TIMING AND FREQUENCY ACQUISITION FOR OFDM SYSTEMS 审中-公开
标题翻译： OFDM系统的最佳时序和频率采集
公开(公告)号：WO2006105177A2
公开(公告)日：2006-10-05
申请号：PCT/US2006011434
申请日：2006-03-28
申请人： QUALCOMM INC , WANG MICHAEL MAO , GUPTA ALOK KUMAR
发明人： WANG MICHAEL MAO , GUPTA ALOK KUMAR
IPC分类号： H04L7/04 , H04L27/26
CPC分类号： H04L27/2656 , H04L27/261 , H04L27/2657 , H04L27/2675
摘要： Systems and methods are provided for processing Time Domain Multiplexing Pilot symbols by employing matched filtering components to process delayed correlator outputs as opposed to applying a fixed threshold directly to the delayed correlator outputs. In an embodiment, a method for timing acquisition in a wireless network is provided. The method includes filtering a correlation output of a TDM pilot via an edge template and employing the correlation output to determine timing or frequency in a wireless network.
摘要翻译：提供了系统和方法，用于通过采用匹配的滤波分量来处理延迟的相关器输出来处理时域多路复用导频符号，而不是将直接将固定阈值应用于延迟的相关器输出。在一个实施例中，提供了一种用于无线网络中的定时获取的方法。该方法包括通过边缘模板对TDM导频的相关输出进行滤波，并采用相关输出来确定无线网络中的定时或频率。

9. 发明申请

WO2010132483A2 FREQUENCY DOMAIN FEEDBACK CHANNEL ESTIMATION FOR AN INTERFERENCE CANCELLATION REPEATER INCLUDING SAMPLING OF NON CAUSAL TAPS 审中-公开
标题翻译：用于干扰消除重复的频域反馈信道估计，包括非原始采样的采样
公开(公告)号：WO2010132483A2
公开(公告)日：2010-11-18
申请号：PCT/US2010034424
申请日：2010-05-11
申请人： QUALCOMM INC , BARRIAC GWENDOLYN DENISE , PROCTOR JAMES ARTHUR , GORE DHANANJAY ASHOK , WANG MICHAEL MAO , TIAN TAO
发明人： BARRIAC GWENDOLYN DENISE , PROCTOR JAMES ARTHUR , GORE DHANANJAY ASHOK , WANG MICHAEL MAO , TIAN TAO
IPC分类号： H04L25/02
CPC分类号： H04L25/022 , H04B7/15585 , H04L25/0226
摘要： A method for estimating a feedback channel for a wireless repeater uses frequency domain channel estimation on samples of a pilot signal and samples of a receive signal. The pilot signal samples may be delayed to align the largest channel tap to a given reference time. A time domain feedback channel is generated by retaining both the causal taps and the non-causal taps of the channel estimate.
摘要翻译：用于估计无线中继器的反馈信道的方法使用对导频信号和接收信号的样本的频域信道估计。可以延迟导频信号样本以将最大信道抽头对准给定的参考时间。通过保留信道估计的因果抽头和非因果抽头来产生时域反馈信道。

10. 发明申请

WO2008051812A3 TIMING TRACKING IN A MULTIPLE RECEIVE ANTENNA SYSTEM 审中-公开
标题翻译：多接收天线系统中的时序跟踪
公开(公告)号：WO2008051812A3
公开(公告)日：2008-07-24
申请号：PCT/US2007081858
申请日：2007-10-18
申请人： QUALCOMM INC , WANG MICHAEL MAO
发明人： WANG MICHAEL MAO
IPC分类号： H04B7/08
CPC分类号： H04B7/0837 , H04B17/327 , H04B17/364 , H04L25/0208 , H04L25/0212 , H04L27/2662 , H04L27/2695
摘要： Apparatus and methods for determining timing tracking in a multiple antenna wireless system are disclosed. Timing tracking is obtained, in particular, by determining at least two channel density profiles for signals respectively received by at least two antennas of multiple receive antenna wireless device. The channel density profiles are then combined, such as by summing, to form a composite channel density profile. The composite is, in turn, used by a timing tracking algorithm to determine a timing decision for setting the timing tracking in a transceiver device used in the multiple antenna wireless system. Use of a composite density profile affords the system increased resistance to channel dynamics such as fading, birth and death, which reduces degradation due to mistiming caused by such channel dynamics.
摘要翻译：公开了用于确定多天线无线系统中的定时跟踪的设备和方法。定时跟踪尤其是通过为多个接收天线无线设备的至少两个天线分别接收的信号确定至少两个信道密度分布而获得的。然后将通道密度分布组合，例如通过求和，以形成复合通道密度分布。转而由定时跟踪算法使用该组合来确定用于在多天线无线系统中使用的收发器设备中设置定时跟踪的定时决定。使用复合密度剖面可以提高系统对信道动态的抵抗力，如衰落，出生和死亡，这样可以减少由于这种信道动态引起的误判而导致的降级。

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