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41. 发明授权

US08014834B2 System and method to conduct idle mode paging channel monitoring within a cellular wireless network 有权
标题翻译：在蜂窝无线网络内进行空闲模式寻呼信道监控的系统和方法
公开(公告)号：US08014834B2
公开(公告)日：2011-09-06
申请号：US12048326
申请日：2008-03-14
申请人： Ronish Patel , Nelson R. Sollenberger
发明人： Ronish Patel , Nelson R. Sollenberger
IPC分类号： H04M1/00
CPC分类号： H04L1/0041 , H04L1/0045 , H04L1/0065 , H04W52/0216 , H04W52/0219 , H04W68/00 , H04W68/025 , Y02D70/1222 , Y02D70/1224 , Y02D70/23
摘要： A method and system to determine when a wireless terminal has been paged by a servicing base station. An encoded paging burst is received on a paging channel and then decoded to produce a decoded paging burst. The decoded paging burst is processed to determine if it is a null page. When the encoded paging burst is a null page, it is processed to produce a null page pattern. The wireless terminal may then enter a sleep mode or reduced functionality mode for a predetermined period of time. The wireless terminal awakes from the sleep mode to receive additional encoded paging bursts. Processing the additional encoded paging bursts produces a processed encoded paging burst, which is compared to the null page pattern. When compared favorably, the encoded paging burst is considered a null page, allowing the wireless terminal to re-enter the sleep mode without fully decoding the paging burst.
摘要翻译：确定无线终端何时被服务基站分页的方法和系统。在寻呼信道上接收编码的寻呼突发，然后被解码以产生解码的寻呼突发。处理解码的寻呼突发以确定它是否是空页。当编码的寻呼突发是空页时，它被处理以产生空页模式。然后，无线终端可以在预定时间段内进入睡眠模式或缩减功能模式。无线终端从睡眠模式唤醒以接收附加的编码寻呼突发。处理附加编码的寻呼突发产生经处理的编码寻呼突发，其与空页模式进行比较。当比较有利时，编码的寻呼突发被认为是空页，允许无线终端重新进入睡眠模式而不完全解码寻呼突发。

42. 发明授权

US07907662B2 Frequency domain equalizer for dual antenna radio 有权
标题翻译：双天线收音机的频域均衡器
公开(公告)号：US07907662B2
公开(公告)日：2011-03-15
申请号：US12703311
申请日：2010-02-10
申请人： Junqiang Li , Mark David Hahm , Nelson R. Sollenberger , Li Fung Chang
发明人： Junqiang Li , Mark David Hahm , Nelson R. Sollenberger , Li Fung Chang
IPC分类号： H03H7/30
CPC分类号： H04L25/03038 , H04L25/0204 , H04L25/0212 , H04L25/022 , H04L2025/03426 , H04L2025/03605
摘要： A Radio Frequency (RF) receiver includes a RF front end and a baseband processing module coupled to the RF front end that is operable to receive a time domain signal that includes time domain training symbols and time domain data symbols. The baseband processing module includes a channel estimator operable to process the time domain training symbols to produce a time domain channel estimate, a Fast Fourier Transformer operable to convert the time domain channel estimate to the frequency domain to produce a frequency domain channel estimate, a weight calculator operable to produce frequency domain equalizer coefficients based upon the frequency domain channel estimate, an Inverse Fast Fourier Transformer operable to converting the frequency domain equalizer coefficients to the time domain to produce time domain equalizer coefficients, and an equalizer operable to equalize the time domain data symbols using the time domain equalizer coefficients.
摘要翻译：射频（RF）接收机包括RF前端和耦合到RF前端的基带处理模块，其可操作以接收包括时域训练符号和时域数据符号的时域信号。基带处理模块包括信道估计器，其可操作以处理时域训练符号以产生时域信道估计;快速傅立叶变换器，其可操作以将时域信道估计转换为频域以产生频域信道估计，权重计算器，其可操作以基于频域信道估计产生频域均衡器系数;反傅里叶变换器，其可操作以将频域均衡器系数转换到时域以产生时域均衡器系数;以及均衡器，其可操作以均衡时域数据符号使用时域均衡器系数。

43. 发明授权

US07809096B2 Adaptive interference cancellation algorithm using speech mode dependent thresholds 有权
标题翻译：使用语音模式相关阈值的自适应干扰消除算法
公开(公告)号：US07809096B2
公开(公告)日：2010-10-05
申请号：US11150957
申请日：2005-06-13
申请人： Arkady Molev-Shteiman , Nelson R. Sollenberger , Huaiyu (Hanks) Zeng
发明人： Arkady Molev-Shteiman , Nelson R. Sollenberger , Huaiyu (Hanks) Zeng
IPC分类号： H04B1/10
CPC分类号： H04L25/03038 , H04L25/0224 , H04L25/0305 , H04L25/03178 , H04L2025/03401
摘要： The present invention provides a method of processing radio frequency (RF) bursts dependent on a speech mode associated with data contained within the RF burst. Different voice modes, full rate, half rate, and adaptive multi-channel rates each may require different signal to noise ratio (SNR) conditions in order to be successfully processed. To improve the equalization of the received RF burst(s), the SNR associated with the burst is estimated. Then based on the SNR or other related conditions (i.e. the presence or absence of colored noise, and the estimated channel profile) a decision can be made as to whether or not an interference cancellation burst process should be implemented. For example, the presence of colored noise may indicate the presence of interference requiring the cancellation of such interference, the channel profile as described by the channel length and other associated properties may help determine when an interference cancellation process should be utilized as well, and if there is insufficient SNR, i.e. the SNR is below the predetermined threshold, all indicate that it may be desirable to implement interference cancellation to improve the processing of the received burst(s).
摘要翻译：本发明提供了一种处理与RF数据中包含的数据相关联的语音模式的射频（RF）突发的方法。不同的语音模式，全速率，半速率和自适应多信道速率各自可能需要不同的信噪比（SNR）条件才能被成功处理。为了改善所接收的RF突发的均衡，估计与突发相关联的SNR。然后基于SNR或其他相关条件（即有色噪声的存在或不存在以及估计的信道简档），可以做出关于是否应该实现干扰消除突发处理的决定。例如，有色噪声的存在可以指示需要消除这种干扰的干扰的存在，由信道长度和其他相关属性描述的信道简档可以帮助确定什么时候还应该使用干扰消除过程，并且如果 SNR不足，即SNR低于预定阈值，都表示可能希望实现干扰消除以改善接收到的突发的处理。

44. 发明授权

US07697596B2 Cluster path processor time alignment for signal suppression/separation in a wireless device 有权
标题翻译：用于无线设备中信号抑制/分离的群集路径处理器时间对齐
公开(公告)号：US07697596B2
公开(公告)日：2010-04-13
申请号：US11731317
申请日：2007-03-29
申请人： Junqiang Li , Nelson R. Sollenberger , Li Fung Chang , Mark David Hahm , Hongwei Kong
发明人： Junqiang Li , Nelson R. Sollenberger , Li Fung Chang , Mark David Hahm , Hongwei Kong
IPC分类号： H04B1/00
CPC分类号： H04L7/0054 , H04B1/7085 , H04B1/7117 , H04L7/007 , H04L7/033
摘要： A system for processing radio frequency (RF) signals includes a searcher and a plurality of Cluster Path Processor (CPPs). The searcher detects a maximum signal energy level and position of at least one of a plurality of individual distinct path signals in a signal cluster of a first information signal, wherein at least a portion of the plurality of individual distinct path signals is received within a duration of a corresponding delay spread. The sampling position is used as a starting sampling location by the plurality of CPPs, including a first information signal CPP and a second information signal CPP. Fine sampling positions of the plurality of CPPs are based upon channel energy estimates for the plurality of individual distinct path signals. CPP outputs are employed to produce channel estimates, which are themselves used in subsequent equalization operations. Sampling positions may change over time in order to satisfy alignment criteria.
摘要翻译：用于处理射频（RF）信号的系统包括搜索器和多个群集路径处理器（CPP）。搜索器在第一信息信号的信号簇中检测最大信号能级和多个独立不同路径信号中的至少一个的位置，其中多个独立不同路径信号的至少一部分在持续时间内被接收的相应的延迟传播。采样位置由多个CPP用作起始采样位置，包括第一信息信号CPP和第二信息信号CPP。多个CPP的精细采样位置是基于多个独立不同路径信号的信道能量估计。 CPP输出用于产生信道估计，它们本身用于随后的均衡操作。采样位置可能随时间而变化，以满足对准标准。

45. 发明授权

US07684526B2 Frequency domain equalizer for dual antenna radio 有权
标题翻译：双天线收音机的频域均衡器
公开(公告)号：US07684526B2
公开(公告)日：2010-03-23
申请号：US11524584
申请日：2006-09-21
申请人： Junqiang Li , Mark David Hahm , Nelson R. Sollenberger , Li Fung Chang
发明人： Junqiang Li , Mark David Hahm , Nelson R. Sollenberger , Li Fung Chang
IPC分类号： H04B7/10
CPC分类号： H04L25/03038 , H04L25/0204 , H04L25/0212 , H04L25/022 , H04L2025/03426 , H04L2025/03605
摘要： A Radio Frequency (RF) receiver includes a RF front end and a baseband processing module coupled to the RF front end that is operable to receive a time domain signal that includes time domain training symbols and time domain data symbols. The baseband processing module includes a channel estimator operable to process the time domain training symbols to produce a time domain channel estimate, a Fast Fourier Transformer operable to convert the time domain channel estimate to the frequency domain to produce a frequency domain channel estimate, a weight calculator operable to produce frequency domain equalizer coefficients based upon the frequency domain channel estimate, an Inverse Fast Fourier Transformer operable to converting the frequency domain equalizer coefficients to the time domain to produce time domain equalizer coefficients, and an equalizer operable to equalize the time domain data symbols using the time domain equalizer coefficients.
摘要翻译：射频（RF）接收机包括RF前端和耦合到RF前端的基带处理模块，其可操作以接收包括时域训练符号和时域数据符号的时域信号。基带处理模块包括信道估计器，其可操作以处理时域训练符号以产生时域信道估计;快速傅立叶变换器，其可操作以将时域信道估计转换为频域以产生频域信道估计，权重计算器，其可操作以基于频域信道估计产生频域均衡器系数;反傅里叶变换器，其可操作以将频域均衡器系数转换到时域以产生时域均衡器系数;以及均衡器，其可操作以均衡时域数据符号使用时域均衡器系数。

46. 发明授权

US07680177B2 Adaptive unbiased least square (LS) algorithm for mitigating interference for CDMA down link and other applications 有权
标题翻译：用于减轻CDMA下行链路和其他应用的干扰的自适应无偏最小二乘法（LS）算法
公开(公告)号：US07680177B2
公开(公告)日：2010-03-16
申请号：US11510398
申请日：2006-08-25
申请人： Ning Kong , Francis Swarts , Michiel Petrus Lotter , Nelson R. Sollenberger , Mark Kent
发明人： Ning Kong , Francis Swarts , Michiel Petrus Lotter , Nelson R. Sollenberger , Mark Kent
IPC分类号： H04B1/707 , H04B7/02 , H04L1/00
CPC分类号： H04B1/712 , H04B1/71055
摘要： A multipath wireless communication is processed to recover a transmitted data signal without performing a direct matrix inversion (DMI). First, the multipath wireless communication is received. Then HHH and HHH values associated with the multipath wireless communication are determined. Weights based on HHH and HHH associated with the received data signal may then be determined and used to recover the transmitted data signal from the received multipath wireless communication.
摘要翻译：处理多径无线通信以恢复发送的数据信号，而不执行直接矩阵求逆（DMI）。首先，接收多径无线通信。然后确定与多径无线通信相关联的HHH和HHH值。然后可以确定与所接收的数据信号相关联的基于HHH和HHH的权重并用于从所接收的多路径无线通信中恢复发送的数据信号。

47. 发明授权

US07489741B2 System and method to perform DC compensation on a radio frequency burst in a cellular wireless network 失效
标题翻译：在蜂窝无线网络中的射频突发上执行DC补偿的系统和方法
公开(公告)号：US07489741B2
公开(公告)日：2009-02-10
申请号：US11389362
申请日：2006-03-25
申请人： Baoguo Yang , Nelson R. Sollenberger
发明人： Baoguo Yang , Nelson R. Sollenberger
IPC分类号： H04L25/06
CPC分类号： H04L1/0059 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0065 , H04L1/0068 , H04L1/0071 , H04L1/1816 , H04L1/1819 , H04L1/1829 , H04L1/1835 , H04L1/1845 , H04L1/203 , H04L1/208 , H04L5/0048 , H04L25/03171 , H04L25/03318 , H04L25/067 , H04L27/0008 , H04L27/0012 , H04L27/2017 , H04L27/2067 , H04L27/22
摘要： A method to perform DC compensation on a Radio Frequency (RF) burst transmitted between a servicing base station and a wireless terminal in a cellular wireless communication system that first receives the RF burst modulated according to either a first or second modulation format. Samples from the RF burst, or taken from the training sequence, are produced and averaged to produce a DC offset estimate. The DC offset estimate is then subtracted from each of the samples. The modulation format of RF burst may then be identified from the samples. Depending on the identified modulation format the DC offset estimate may be re-added to the samples when a particular modulation format is identified as the modulation format of the RF burst. This decision is made based on how well various components within the wireless terminal perform DC offset compensation.
摘要翻译：在首先接收根据第一或第二调制格式调制的RF突发的蜂窝无线通信系统中在服务基站和无线终端之间传送的射频（RF）突发上执行DC补偿的方法。产生来自RF突发或从训练序列获取的样本并对其进行平均以产生DC偏移估计。然后从每个样本中减去DC偏移估计。然后可以从样本中识别RF突发的调制格式。根据所识别的调制格式，当将特定调制格式识别为RF突发的调制格式时，可以将DC偏移估计重新添加到样本。该决定基于无线终端内的各种组件执行DC偏移补偿的程度。

48. 发明申请

US20080075208A1 Frequency domain equalizer with one dominate interference cancellation for dual antenna radio 有权
标题翻译：频域均衡器，具有双天线收音机的主导干扰消除
公开(公告)号：US20080075208A1
公开(公告)日：2008-03-27
申请号：US11524580
申请日：2006-09-21
申请人： Junqiang Li , Nelson R. Sollenberger , Joseph Boccuzzi , Li Fung Chang
发明人： Junqiang Li , Nelson R. Sollenberger , Joseph Boccuzzi , Li Fung Chang
IPC分类号： H04L1/02 , H04B1/10
CPC分类号： H04L25/03159 , H04B7/0854 , H04L25/0204 , H04L25/0212 , H04L25/022 , H04L25/03012 , H04L25/03891 , H04L25/03968 , H04L2025/03414 , H04L2025/03426
摘要： A Radio Frequency (RF) receiver includes a RF front end and a baseband processing module coupled to the RF front end that is operable to receive a time domain signal that includes desired signal and interfering signal time domain training symbols and time domain data symbols. The baseband processing module includes a channel estimator operable to process the desired signal and interfering signal time domain training symbols to produce a respective time domain channel estimates, a Fast Fourier Transformer operable to convert the time domain channel estimates to the frequency domain to produce frequency domain channel estimates, a weight calculator operable to produce frequency domain equalizer coefficients based upon the frequency domain channel estimates, an Inverse Fast Fourier Transformer operable to convert the frequency domain equalizer coefficients to the time domain to produce time domain equalizer coefficients, and an equalizer operable to equalize the time domain data symbols using the time domain equalizer coefficients.
摘要翻译：射频（RF）接收机包括RF前端和耦合到RF前端的基带处理模块，其可操作以接收包括期望信号和干扰信号时域训练符号和时域数据符号的时域信号。基带处理模块包括信道估计器，其可操作以处理所需信号和干扰信号时域训练符号以产生相应的时域信道估计，快速傅里叶变换器可操作以将时域信道估计转换为频域以产生频域信道估计，可用于基于频域信道估计产生频域均衡器系数的权重计算器，可操作以将频域均衡器系数转换到时域以产生时域均衡器系数的反傅立叶变换器，以及均衡器，其可操作以使用时域均衡器系数均衡时域数据符号。

49. 发明授权

US5412658A Beacon detection method and apparatus for sharing spectrum between wireless communications systems and fixed microwave systems 失效
标题翻译：无线通信系统和固定微波系统之间共享频谱的信标检测方法和装置
公开(公告)号：US5412658A
公开(公告)日：1995-05-02
申请号：US142553
申请日：1993-10-22
申请人： Hamilton W. Arnold , Daniel M. Devasirvathan , Nelson R. Sollenberger , Larrie G. Sutliff , Vijay K. Varma
发明人： Hamilton W. Arnold , Daniel M. Devasirvathan , Nelson R. Sollenberger , Larrie G. Sutliff , Vijay K. Varma
IPC分类号： H04W16/14 , H04Q7/00 , H04B7/26 , H04B15/00
CPC分类号： H04W16/14
摘要： A system for spectrum sharing between a point-to-point microwave system and a TDM/TDMA wireless communications system in a common geographical area is described. Each transmitter/receiver in the point-to-point microwave system transmits, in addition to its normal information signal, a beacon signal which is uniquely associated with the receiver receive frequency. In selecting uplink and downlink frequencies for port assignment, each port monitors the beacon frequencies and selects as uplink and downlink frequencies, frequencies which associated beacons fall below a predetermined threshold. Similarly, before accessing the wireless communications system through a selected port, a portable monitors the beacons associated with the selected port's uplink frequency. If the beacon associated with the uplink frequency exceeds a threshold, the portable selects an alternate port through which to access the network. Also, during a call an emergency link transfer to another port is made if the monitored beacon corresponding to the portable's uplink frequency rises above the threshold.
摘要翻译：描述了在公共地理区域中的点对点微波系统和TDM / TDMA无线通信系统之间的频谱共享系统。点对点微波系统中的每个发射机/接收机除了正常的信息信号之外还发送与接收机接收频率唯一相关联的信标信号。在选择用于端口分配的上行链路和下行链路频率时，每个端口监视信标频率并选择上行链路和下行链路频率，相关信标的频率低于预定阈值。类似地，在通过所选择的端口访问无线通信系统之前，便携式监视与所选端口的上行链路频率相关联的信标。如果与上行链路频率相关联的信标超过阈值，则便携式选择用于接入网络的备用端口。此外，在呼叫期间，如果与便携式上行链路频率对应的被监视信标上升到阈值以上，则进行到另一端口的紧急链路传送。

50. 发明授权

US5363376A Method and apparatus for synchronizing timing among radio ports in wireless communications systems 失效
标题翻译：用于在无线通信系统中的无线端口之间同步定时的方法和装置
公开(公告)号：US5363376A
公开(公告)日：1994-11-08
申请号：US100515
申请日：1993-07-30
申请人： Justin C. Chuang , Nelson R. Sollenberger
发明人： Justin C. Chuang , Nelson R. Sollenberger
IPC分类号： H04B7/26 , H04J3/06 , H04B7/212
CPC分类号： H04B7/2696
摘要： In a TDM/TDMA digital radio communications system, time synchronization between fixed ports is achieved by adjusting the timing of a first port in response to the average timing difference between the timing of that first port and the timing measured by that first port of the downlink signals transmitted by a fixed number of the other ports in the system, which downlink signals are detected at the first port and determined to have the highest signal quality measures. Each of the other ports in the system sequentially performs the same process and the entire process is then reiterated a plurality of times at all of the ports until timing of the system converges.
摘要翻译：在TDM / TDMA数字无线电通信系统中，固定端口之间的时间同步是通过响应于第一端口的定时与由下行链路的第一端口测量的定时之间的平均定时差调整第一端口的定时来实现的由系统中固定数量的其他端口发送的信号，哪些下行链路信号在第一端口被检测并被确定为具有最高的信号质量测量。系统中的每个其他端口顺序执行相同的处理，然后在所有端口重复整个处理多次，直到系统的定时收敛。

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