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1. 发明授权

US08666387B2 Apparatus and method for determining transmit signal parameters using real-time channel measurements 失效
标题翻译：使用实时信道测量确定发射信号参数的装置和方法
公开(公告)号：US08666387B2
公开(公告)日：2014-03-04
申请号：US11257515
申请日：2005-10-25
申请人： Lai King Tee , Cornelius van Rensburg , Joseph R. Cleveland
发明人： Lai King Tee , Cornelius van Rensburg , Joseph R. Cleveland
IPC分类号： H04W24/00
CPC分类号： H04B17/336
摘要： A method and wireless system that is able to adapt forward channel signal parameters to the different channel characteristics in each deployment environment. For example, the base station may update the waveform parameters based upon the real-time channel measurement feedback as received from the subscriber stations.
摘要翻译：一种能够在每个部署环境中将信道信号参数适应不同信道特性的方法和无线系统。例如，基站可以基于从用户台接收到的实时信道测量反馈来更新波形参数。

2. 发明授权

US08179834B2 Method and apparatus for adapting downlink wireless transmission between beamforming and transmit diversity on a per mobile station basis 失效
标题翻译：用于在每个移动台基础上适配波束成形和发射分集之间的下行链路无线传输的方法和装置
公开(公告)号：US08179834B2
公开(公告)日：2012-05-15
申请号：US10992798
申请日：2004-11-19
申请人： Cornelius van Rensburg , Joseph R. Cleveland
发明人： Cornelius van Rensburg , Joseph R. Cleveland
IPC分类号： H04B7/216
CPC分类号： H04B7/0617 , H04B7/0669 , H04B7/0689
摘要： A transmitting apparatus is provided for a base station capable of communicating with a plurality of mobile stations in a wireless network. The transmitting apparatus includes a beamforming traffic path for use in beamforming transmission to one of the mobile stations, and a diversity traffic path for use in diversity transmission to the mobile station. A selector is coupled to the beamforming traffic path and the diversity traffic path for dynamically selecting which of the traffic paths is used for transmission to the mobile station.
摘要翻译：为能够与无线网络中的多个移动台通信的基站提供发送装置。发送装置包括用于在向一个移动台的波束成形传输中使用的波束成形业务路径，以及用于向移动台进行分集传输的分集业务路径。选择器耦合到波束形成业务路径和分集业务路径，用于动态地选择哪个业务路径用于向移动台传输。

3. 发明授权

US07965649B2 Apparatus and method for feedback of subcarrier quality estimation in an OFDM/OFDMA system 失效
标题翻译： OFDM / OFDMA系统中子载波质量估计反馈的装置和方法
公开(公告)号：US07965649B2
公开(公告)日：2011-06-21
申请号：US11267685
申请日：2005-11-04
申请人： Lai King Tee , Cornelius van Rensburg , Joseph R. Cleveland
发明人： Lai King Tee , Cornelius van Rensburg , Joseph R. Cleveland
IPC分类号： H04L12/28
CPC分类号： H04W52/346 , H04B17/24 , H04B17/336 , H04L1/0026 , H04L5/023 , H04L27/2601
摘要： A method for subcarrier quality estimation in a wireless network is disclosed. The method comprises analyzing characteristics of at least some of the subcarriers of a first signal, creating feedback data based on the analyzed characteristics, wherein the quantity of the feedback data is less than the quantity of all of a plurality of measured signal-to-interference and noise power ratio (SINR) values of each subcarrier of the first signal, and transmitting the feedback data.
摘要翻译：公开了一种无线网络中的子载波质量估计方法。该方法包括分析第一信号的至少一些子载波的特性，基于所分析的特性创建反馈数据，其中反馈数据的量小于多个测量信号对干扰的全部量和第一信号的每个子载波的噪声功率比（SINR）值，并发送反馈数据。

4. 发明申请

US20090061766A1 Apparatus and method for channel estimation and echo cancellation in a wireless repeater 有权
公开(公告)号：US20090061766A1
公开(公告)日：2009-03-05
申请号：US12229977
申请日：2008-08-28
申请人： Yinong Ding , Cornelius Van Rensburg , Joseph R. Cleveland
发明人： Yinong Ding , Cornelius Van Rensburg , Joseph R. Cleveland
IPC分类号： H04B7/15
CPC分类号： H04B7/15585
摘要： A system and method for channel estimation and echo cancellation in wireless system repeaters. A repeater with improved echo cancellation comprises an input radio control element having a receiving antenna and an output radio control element having a transmitting antenna; a power amplifier connected between the input radio control element and the output radio control element; and a signal processing unit connected between the input radio control element and the output radio control element. The signal processing unit is configured to estimate the communication channel from the transmitting antenna to the receiving antenna to produce a channel estimation. The signal processing unit is further configured to perform echo cancellation based on the channel estimation.

5. 发明授权

US07483406B2 Apparatus and method for implementing virtual MIMO antennas in a mobile ad hoc network 失效
标题翻译：在移动自组织网络中实现虚拟MIMO天线的装置和方法
公开(公告)号：US07483406B2
公开(公告)日：2009-01-27
申请号：US10837495
申请日：2004-04-30
申请人： Joseph R. Cleveland , Cornelius Van Rensburg
发明人： Joseph R. Cleveland , Cornelius Van Rensburg
IPC分类号： H04Q7/00
CPC分类号： H04L1/06 , H04B7/026 , H04B7/04 , H04W84/18 , H04W88/02 , H04W88/04 , H04W88/08
摘要： A mobile station for use in a wireless network comprising a first base station that transmits user data streams in a forward channel using a multiple-input, multiple-output (MIMO) antenna system. The mobile station implements a virtual MIMO antenna system to receive MIMO data signals transmitted by the first base station. The mobile station comprises first and second transceivers. The first transceiver receives the MIMO data signals transmitted by the first base station and stores a first plurality of MIMO data signal samples in a memory. The second transceiver receives directly from a second mobile station a second plurality of MIMO data signal samples received by the second mobile station from the first base station. The second plurality of MIMO data signal samples are stored in memory. A MIMO algorithm generates from the first and second plurality of samples the user data streams transmitted by the base station.
摘要翻译：一种在无线网络中使用的移动站，包括使用多输入多输出（MIMO）天线系统在前向信道中发送用户数据流的第一基站。移动台实现虚拟MIMO天线系统以接收由第一基站发送的MIMO数据信号。移动台包括第一和第二收发器。第一收发器接收由第一基站发送的MIMO数据信号，并将第一多个MIMO数据信号采样存储在存储器中。第二收发机从第二移动台直接接收由第二移动台从第一基站接收的第二多个MIMO数据信号样本。第二多个MIMO数据信号样本被存储在存储器中。 MIMO算法从第一和第二多个样本生成由基站发送的用户数据流。

6. 发明授权

US07418270B2 Apparatus and method for optimal power allocation between data and voice in a 1xEV-DV wireless network 失效
标题翻译：用于在1xEV-DV无线网络中数据和语音之间的最佳功率分配的装置和方法
公开(公告)号：US07418270B2
公开(公告)日：2008-08-26
申请号：US11019756
申请日：2004-12-21
申请人： Cornelius van Rensburg , Joseph R. Cleveland
发明人： Cornelius van Rensburg , Joseph R. Cleveland
IPC分类号： H04Q7/20
CPC分类号： H04W52/223 , H04W52/346
摘要： A base station for use in a 1xEV-DV wireless network comprising: 1) a radio frequency (RF) transceiver for transmitting to mobile stations in voice traffic channels and in at least one packet data channel and 2) a power allocation controller for adjusting the total transmit power allocated to the voice traffic channels and the at least one packet data channel in response to changing conditions in the 1xEV-DV wireless network, the power allocation controller monitors and detects trends in the traffic channel transmit power requirements of the voice-user mobile stations and adjusts the total transmit power according to the detected trend.
摘要翻译：一种用于1xEV-DV无线网络的基站，包括：1）射频（RF）收发信机，用于在语音业务信道和至少一个分组数据信道中向移动台发送; 2）功率分配控制器，用于调整响应于1xEV-DV无线网络中的变化条件，分配给语音业务信道和至少一个分组数据信道的总发射功率，功率分配控制器监视和检测语音用户的业务信道发射功率需求的趋势移动台根据检测趋势调整总发射功率。

7. 发明授权

US07894768B2 Apparatus and method for channel estimation and echo cancellation in a wireless repeater 有权
标题翻译：无线中继器中的信道估计和回波消除的装置和方法
公开(公告)号：US07894768B2
公开(公告)日：2011-02-22
申请号：US12229977
申请日：2008-08-28
申请人： Yinong Ding , Cornelius Van Rensburg , Joseph R. Cleveland
发明人： Yinong Ding , Cornelius Van Rensburg , Joseph R. Cleveland
IPC分类号： H04Q7/32
CPC分类号： H04B7/15585
摘要： A system and method for channel estimation and echo cancellation in wireless system repeaters. A repeater with improved echo cancellation comprises an input radio control element having a receiving antenna and an output radio control element having a transmitting antenna; a power amplifier connected between the input radio control element and the output radio control element; and a signal processing unit connected between the input radio control element and the output radio control element. The signal processing unit is configured to estimate the communication channel from the transmitting antenna to the receiving antenna to produce a channel estimation. The signal processing unit is further configured to perform echo cancellation based on the channel estimation.
摘要翻译：一种用于无线系统中继器中的信道估计和回波消除的系统和方法。具有改善的回波消除的中继器包括具有接收天线的输入无线电控制元件和具有发射天线的输出无线电控制元件; 连接在所述输入无线电控制元件和所述输出无线电控制元件之间的功率放大器; 以及连接在输入无线电控制元件和输出无线电控制元件之间的信号处理单元。信号处理单元被配置为估计从发射天线到接收天线的通信信道，以产生信道估计。信号处理单元还被配置为基于信道估计来执行回波消除。

8. 发明授权

US07596352B2 Apparatus and method for channel estimation and echo cancellation in a wireless repeater 失效
标题翻译：无线中继器中的信道估计和回波消除的装置和方法
公开(公告)号：US07596352B2
公开(公告)日：2009-09-29
申请号：US11145619
申请日：2005-06-06
申请人： Yinong Ding , Cornelius Van Rensburg , Joseph R. Cleveland
发明人： Yinong Ding , Cornelius Van Rensburg , Joseph R. Cleveland
IPC分类号： H04Q7/20
CPC分类号： H04B7/15585
摘要： A system and method for channel estimation and echo cancellation in wireless system repeaters. A repeater with improved echo cancellation comprises an input radio control element having a receiving antenna and an output radio control element having a transmitting antenna; a power amplifier connected between the input radio control element and the output radio control element; and a signal processing unit connected between the input radio control element and the output radio control element. The signal processing unit is configured to estimate the communication channel from the transmitting antenna to the receiving antenna to produce a channel estimation. The signal processing unit is further configured to perform echo cancellation based on the channel estimation.
摘要翻译：一种用于无线系统中继器中的信道估计和回波消除的系统和方法。具有改善的回波消除的中继器包括具有接收天线的输入无线电控制元件和具有发射天线的输出无线电控制元件; 连接在所述输入无线电控制元件和所述输出无线电控制元件之间的功率放大器; 以及连接在输入无线电控制元件和输出无线电控制元件之间的信号处理单元。信号处理单元被配置为估计从发射天线到接收天线的通信信道，以产生信道估计。信号处理单元还被配置为基于信道估计来执行回波消除。

9. 发明申请

US20080095135A1 Synchronous spectrum sharing based on OFDM/OFDMA signaling 失效
标题翻译：基于OFDM / OFDMA信令的同步频谱共享
公开(公告)号：US20080095135A1
公开(公告)日：2008-04-24
申请号：US11585009
申请日：2006-10-23
申请人： Joseph R. Cleveland
发明人： Joseph R. Cleveland
IPC分类号： H04B7/216
CPC分类号： H04L5/0037 , H04L5/0007 , H04L5/0048 , H04L5/0062 , H04L27/0006 , H04W72/042 , H04W72/10
摘要： A system and method for synchronous spectrum sharing for use in a wireless communication system based on orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) signaling is disclosed. The system includes a frame detector configured to detect a frame of a broadcast waveform and extract idle spectrum information for the frame to the secondary user node. The system allows transmitting data from the secondary user node in unused symbol slots identified in the idle spectrum information thereby making efficient use of unused or idle spectrum. Accordingly, secondary users of the wireless communication system can dynamically form ad-hoc mesh network communications in fixed or mobile scenarios.
摘要翻译：公开了一种用于基于正交频分复用（OFDM）或正交频分多址（OFDMA）信令的无线通信系统中的同步频谱共享的系统和方法。该系统包括：帧检测器，被配置为检测广播波形的帧，并将该帧的空闲频谱信息提取给次用户节点。该系统允许从空闲频谱信息中识别的未使用符号时隙中的次用户节点发送数据，从而有效利用未使用或空闲频谱。因此，无线通信系统的次要用户可以在固定或移动场景中动态地形成特网网状网络通信。

10. 发明申请

US20070258542A1 RF transmitter with adaptive digital filtering 失效
标题翻译：射频发射器具有自适应数字滤波
公开(公告)号：US20070258542A1
公开(公告)日：2007-11-08
申请号：US11590398
申请日：2006-10-31
申请人： Joseph R. Cleveland
发明人： Joseph R. Cleveland
IPC分类号： H04L25/03
CPC分类号： H04L25/03834
摘要： An RF transmitter filter for use in a wireless communication system is disclosed. The filter includes a waveform detector to detect a power level of a transmitted data stream on a symbol-by-symbol basis. The filter also includes a processor to select a combination of filter parameter values according to the power level. The RF transmitter filter selects and adjusts filter parameters (i.e., number of taps or filter length, word length, coefficient quantization, sampling rate, tap delay, sampling bits, etc.) based on signal waveform characteristics. The adjustments limit the transmitted bandwidth and allow transmitted signals to meet an emission mask, while still enabling a receiver to recover the correct sample values of transmitted symbols. The filter further includes a reconfigurable digital filter to filter the transmitted data stream according to the combination of filter parameters.
摘要翻译：公开了一种用于无线通信系统的RF发射机滤波器。滤波器包括一个波形检测器，用于逐个符号地检测发射的数据流的功率电平。滤波器还包括根据功率电平选择滤波器参数值的组合的处理器。 RF发送器滤波器基于信号波形特性来选择和调整滤波器参数（即，抽头数，滤波器长度，字长度，系数量化，采样率，抽头延迟，采样位等）。调整限制了发送的带宽，并允许发送的信号满足发射掩码，同时仍使得接收机恢复发送符号的正确采样值。滤波器还包括可重新配置的数字滤波器，以根据滤波器参数的组合对传输的数据流进行滤波。

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