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1. 发明申请

US20080079498A1 System and method for DC correction in wireless receivers 失效
公开(公告)号：US20080079498A1
公开(公告)日：2008-04-03
申请号：US11522752
申请日：2006-09-18
申请人： William Milton Hurley , Lup Meng Loh , Yinong Ding , Michael L. Brobston , John Alexander Interrante
发明人： William Milton Hurley , Lup Meng Loh , Yinong Ding , Michael L. Brobston , John Alexander Interrante
IPC分类号： H03F3/191
CPC分类号： H03F3/191
摘要： The present disclosure relates generally to systems and methods for direct current (DC) correction in wireless devices. In one example, a method includes setting a cutoff frequency of a filter at a first frequency, where a signal entering the filter is attenuated based on the cutoff frequency. If a qualified change is detected in a DC component of the signal, the cutoff frequency is set at a second frequency that attenuates more of the signal than the first frequency for a defined time period. The cutoff frequency may then be set to the first frequency after the defined time period.

2. 发明授权

US07391256B2 System and method for DC correction in wireless receivers 失效
标题翻译：无线接收机直流校正系统及方法
公开(公告)号：US07391256B2
公开(公告)日：2008-06-24
申请号：US11522752
申请日：2006-09-18
申请人： William Milton Hurley , Lup Meng Loh , Yinong Ding , Michael L. Brobston , John Alexander Interrante
发明人： William Milton Hurley , Lup Meng Loh , Yinong Ding , Michael L. Brobston , John Alexander Interrante
IPC分类号： H03F1/02
CPC分类号： H03F3/191
摘要： The present disclosure relates generally to systems and methods for direct current (DC) correction in wireless devices. In one example, a method includes setting a cutoff frequency of a filter at a first frequency, where a signal entering the filter is attenuated based on the cutoff frequency. If a qualified change is detected in a DC component of the signal, the cutoff frequency is set at a second frequency that attenuates more of the signal than the first frequency for a defined time period. The cutoff frequency may then be set to the first frequency after the defined time period.
摘要翻译：本公开一般涉及无线设备中直流（DC）校正的系统和方法。在一个示例中，一种方法包括：以第一频率设置滤波器的截止频率，其中进入滤波器的信号基于截止频率衰减。如果在信号的直流分量中检测到合格的变化，则将截止频率设定在第二频率，该频率在规定的时间段内衰减比第一频率更多的信号。然后可以在限定的时间段之后将截止频率设置为第一频率。

3. 发明授权

US08433275B2 System and method for DC correction in wireless receivers 失效
标题翻译：无线接收机直流校正系统及方法
公开(公告)号：US08433275B2
公开(公告)日：2013-04-30
申请号：US11549256
申请日：2006-10-13
申请人： William M. Hurley , Lup Meng Loh , Yinong Ding , WeonKi Yoon , Michael L. Brobston , John Alexander Interrante , Jordan Charles Mott
发明人： William M. Hurley , Lup Meng Loh , Yinong Ding , WeonKi Yoon , Michael L. Brobston , John Alexander Interrante , Jordan Charles Mott
IPC分类号： H04B1/10
CPC分类号： H04B1/30
摘要： A system and method for minimizing a DC component of a received signal are disclosed. As one example, a system for minimizing a DC component of a signal in a wireless receiver is disclosed, which includes a programmable filter operable to filter the signal with at least one of a low cutoff frequency and a high cutoff frequency, and a transition unit coupled to the programmable filter, the transition unit operable to transition the programmable filter between the high cutoff frequency and the low cutoff frequency.
摘要翻译：公开了一种用于最小化接收信号的DC分量的系统和方法。作为一个示例，公开了一种用于使无线接收机中的信号的DC分量最小化的系统，其包括可操作以用低截止频率和高截止频率中的至少一个来对信号进行滤波的可编程滤波器，以及转换单元耦合到可编程滤波器，该转换单元可操作以在高截止频率和低截止频率之间转换可编程滤波器。

4. 发明申请

US20080090541A1 SYSTEM AND METHOD FOR DC CORRECTION IN WIRELESS RECEIVERS 失效
标题翻译：无线接收机直流校正系统与方法
公开(公告)号：US20080090541A1
公开(公告)日：2008-04-17
申请号：US11549256
申请日：2006-10-13
申请人： William M. Hurley , Lup Meng Loh , Yinong Ding , WeonKi Yoon , Michael L. Brobston , John Alexander Interrante , Jordan Charles Mott
发明人： William M. Hurley , Lup Meng Loh , Yinong Ding , WeonKi Yoon , Michael L. Brobston , John Alexander Interrante , Jordan Charles Mott
IPC分类号： H04B1/10
CPC分类号： H04B1/30
摘要： A system and method for minimizing a DC component of a received signal are disclosed. As one example, a system for minimizing a DC component of a signal in a wireless receiver is disclosed, which includes a programmable filter operable to filter the signal with at least one of a low cutoff frequency and a high cutoff frequency, and a transition unit coupled to the programmable filter, the transition unit operable to transition the programmable filter between the high cutoff frequency and the low cutoff frequency.
摘要翻译：公开了一种用于最小化接收信号的DC分量的系统和方法。作为一个示例，公开了一种用于使无线接收机中的信号的DC分量最小化的系统，其包括可操作以用低截止频率和高截止频率中的至少一个来对信号进行滤波的可编程滤波器，以及转换单元耦合到可编程滤波器，该转换单元可操作以在高截止频率和低截止频率之间转换可编程滤波器。

5. 发明授权

US08503560B2 System and method for performing precoding in a wireless communication system 有权
标题翻译：用于在无线通信系统中执行预编码的系统和方法
公开(公告)号：US08503560B2
公开(公告)日：2013-08-06
申请号：US11824832
申请日：2007-07-03
申请人： Farooq Khan , Jiann-An Tsai , Cornelius van Rensburg , Yinong Ding
发明人： Farooq Khan , Jiann-An Tsai , Cornelius van Rensburg , Yinong Ding
IPC分类号： H04B7/02
CPC分类号： H04B7/0697 , H04B7/0617 , H04B7/0639 , H04W52/42
摘要： A base station capable of performing precoding in a wireless communication system is provided. The base station includes a plurality of codebooks and a codebook selector. Each codebook comprises a plurality of composite precoding matrices that are generated based on a corresponding diversity precoding matrix. The codebook selector is operable to select one of the codebooks for use in a communication session with a subscriber station.
摘要翻译：提供一种能够在无线通信系统中执行预编码的基站。基站包括多个码本和码本选择器。每个码本包括基于相应的分集预编码矩阵生成的多个复合预编码矩阵。码本选择器可操作以选择用于与用户站的通信会话中的一个码本。

6. 发明授权

US07885660B2 Method and system for performing a soft handoff in an OFDMA wireless network 有权
标题翻译：用于在OFDMA无线网络中执行软切换的方法和系统
公开(公告)号：US07885660B2
公开(公告)日：2011-02-08
申请号：US11215330
申请日：2005-08-30
申请人： Cornelius Van Rensburg , Yinong Ding , Jiann-An Tsai
发明人： Cornelius Van Rensburg , Yinong Ding , Jiann-An Tsai
IPC分类号： H04Q7/20
CPC分类号： H04W36/18 , H04W36/30
摘要： A method for performing a soft handoff for a mobile station from a source base station to a target base station in an Orthogonal Frequency-Division Multiple Access (OFDMA) wireless network that is capable of communicating with a plurality of mobile stations in a coverage area of the OFDMA wireless network is provided. The method includes determining whether a relative delay between receipt of a source pilot signal from a source base station and receipt of a target pilot signal from a target base station is less than a downlink coherence time. When the relative delay is less than the downlink coherence time, the soft handoff is performed.
摘要翻译：一种用于在正交频分多址（OFDMA）无线网络中从源基站到目标基站执行移动台的软越区切换的方法，其能够与覆盖区域中的多个移动站进行通信提供了OFDMA无线网络。该方法包括确定从源基站接收源导频信号和从目标基站接收目标导频信号之间的相对延迟是否小于下行链路相干时间。当相对延迟小于下行链路相干时间时，执行软切换。

7. 发明申请

US20090028264A1 Transmit methods with delay diversity and space-frequency diversity 有权
标题翻译：具有延迟分集和空间 - 频率分集的发射方法
公开(公告)号：US20090028264A1
公开(公告)日：2009-01-29
申请号：US12155319
申请日：2008-06-02
申请人： Jianzhong Zhang , Cornelius Van Rensburg , Farooq Khan , Yinong Ding
发明人： Jianzhong Zhang , Cornelius Van Rensburg , Farooq Khan , Yinong Ding
IPC分类号： H04B7/02
CPC分类号： H04L1/0606 , H04B7/0456 , H04B7/0486 , H04B7/0671 , H04L1/0668 , H04L1/08 , H04L1/1819 , H04L5/0023 , H04L25/03898 , H04L27/2626
摘要： In this invention, several open-loop solutions that encompass the small delay CDD codeword cycling, codeword cycling between different re-transmissions of both small and large delay CDD are proposed. In addition, an open-loop codeword cycling method for SFBC+FSTD scheme, as well as its extension to SFBC+FSTD based HARQ, are proposed. In one method, a plurality of information bits are encoded, scrambled and modulated to generate a plurality of modulation symbols. The plurality of modulation symbols are mapped onto the subcarriers in at least one transmission layer of a transmission resource. The modulation symbols are then precoded by using a matrix for cyclic delay diversity and a set of codewords from a certain codebook to generate a plurality of precoded symbols. The codewords are cycled for every a certain number of subcarriers. Finally, the precoded symbols are transmitted via a plurality of transmission antennas.
摘要翻译：在本发明中，提出了包含小延迟CDD码字循环，小型和大型延迟CDD的不同重新传输之间的码字循环的几种开环解决方案。此外，提出了用于SFBC + FSTD方案的开环码字循环方法，以及其对基于SFBC + FSTD的HARQ的扩展。在一种方法中，多个信息比特被编码，加扰和调制以产生多个调制符号。多个调制符号被映射到传输资源的至少一个传输层中的子载波上。然后通过使用用于循环延迟分集的矩阵和来自某个码本的一组码字来生成多个预编码符号来对调制符号进行预编码。每个一定数量的副载波循环码字。最后，预编码符号经由多个发送天线发送。

8. 发明申请

US20080240028A1 Filtering and guard band for non-synchronized transmission 失效
标题翻译：滤波和保护频段用于非同步传输
公开(公告)号：US20080240028A1
公开(公告)日：2008-10-02
申请号：US12007171
申请日：2008-01-07
申请人： Yinong Ding , Farooq Khan
发明人： Yinong Ding , Farooq Khan
IPC分类号： H04Q7/00
CPC分类号： H04W74/002 , H04W74/0833
摘要： A wireless terminal capable of communicating with a wireless communication system comprised of a plurality of wireless terminals and a plurality of base stations. The wireless terminal selects a sequence from a group of certain sequences for random access. At least one sub-carriers on an uplink channel including at least one data channel is allocated for at least one random access channel. Each data channel includes a continuous set of data sub-carriers. The wireless terminal then filters the at least one random access channel by applying a Raised Cosine filter, maps the selected sequence to the at least one random access channel to generate a random access channel signal, and transmits the random access channel signal to a base station.
摘要翻译：一种能够与由多个无线终端和多个基站组成的无线通信系统进行通信的无线终端。无线终端从一组特定序列中选择一个序列进行随机访问。至少一个随机接入信道被分配给包括至少一个数据信道的上行链路信道上的至少一个子载波。每个数据信道包括连续的一组数据子载波。然后，无线终端通过应用升余弦滤波器对所述至少一个随机接入信道进行滤波，将所选择的序列映射到所述至少一个随机接入信道以生成随机接入信道信号，并将所述随机接入信道信号发送到基站。

9. 发明申请

US20080151831A1 Orthogonal repetition and hybrid ARQ scheme 审中-公开
标题翻译：正交重复和混合ARQ方案
公开(公告)号：US20080151831A1
公开(公告)日：2008-06-26
申请号：US11806660
申请日：2007-06-01
申请人： Farooq Khan , Cornelius Van Rensburg , Zhouyue Pi , Jiann-An Tsai , Yinong Ding
发明人： Farooq Khan , Cornelius Van Rensburg , Zhouyue Pi , Jiann-An Tsai , Yinong Ding
IPC分类号： H04Q7/30
CPC分类号： H04L1/0656 , H04L1/0668 , H04L1/1812 , H04L1/1845 , H04L5/0007 , H04L5/0016 , H04L5/0023
摘要： A multi-user, multiple input, multiple output network and process for transmitting data in a communication system encompassing multiple users, contemplates the steps of: a first user transmitting a first transmission frame to a base transceiver station while a second user simultaneously transmits a third transmission frame to the base station; the first and second users simultaneously transmit a second transmission frame and a fourth transmission frames respectively to the base station, with the second transmission frame being an orthogonally spread version of the first transmission frame, and the fourth transmission frame being an orthogonally spread version of the second transmission frame.
摘要翻译：用于在包含多个用户的通信系统中传输数据的多用户，多输入，多输出网络和过程考虑了以下步骤：第一用户将第一传输帧发送到基站收发器，而第二用户同时发送第三个传输帧到基站; 第一和第二用户同时将第二传输帧和第四传输帧发送到基站，其中第二传输帧是第一传输帧的正交扩展版本，第四传输帧是正交扩展版本的第二传输帧。

10. 发明申请

US20070140190A1 Method and system for uplink scheduling in an orthogonal frequency division multiple access network 审中-公开
标题翻译：正交频分多址网络中上行调度的方法和系统
公开(公告)号：US20070140190A1
公开(公告)日：2007-06-21
申请号：US11314540
申请日：2005-12-21
申请人： Cornelius Rensburg , Yinong Ding , Farooq Khan
发明人： Cornelius Rensburg , Yinong Ding , Farooq Khan
IPC分类号： H04Q7/24
CPC分类号： H04W72/1231 , H04L5/0007 , H04L5/0037 , H04L5/0044 , H04L5/0058 , H04W72/1236
摘要： A method of uplink scheduling in an Orthogonal Frequency Division Multiple Access network is provided. The method includes classifying each of a plurality of users as one of an exploration user and a utilization user. The users are then scheduled based on the classification of each of the users as one of an exploration user and a utilization user.
摘要翻译：提供了一种正交频分多址网络中的上行调度方法。该方法包括将多个用户中的每一个分类为勘探用户和利用用户之一。然后基于每个用户的分类来调度用户作为探索用户和利用用户之一。

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