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1. 发明申请

US20130095872A1 INTER-CELL INTERFERENCE COORDINATION FOR WIRELESS COMMUNICATION SYSTEMS 有权
标题翻译：无线通信系统的内部干扰协调
公开(公告)号：US20130095872A1
公开(公告)日：2013-04-18
申请号：US13438624
申请日：2012-04-03
申请人： Akram Bin SEDIQ , Rainer SCHOENEN , Halim YANIKOMEROGLU , Gamini SENARATH , Zhijun CHAO , Ho Ting CHENG , Peiying ZHU
发明人： Akram Bin SEDIQ , Rainer SCHOENEN , Halim YANIKOMEROGLU , Gamini SENARATH , Zhijun CHAO , Ho Ting CHENG , Peiying ZHU
IPC分类号： H04W52/24
CPC分类号： H04W52/244 , H04W52/225 , H04W52/267
摘要： For each base station, transmit power level variables (I values) for each resource block allocated by the base station are initialized. The I values are used in a model to find sub-gradients for each base station. Neighboring base stations exchange the sub-gradients. For each base station, the base station's sub-gradient and the base station's neighbors' sub-gradients are used in the model to update the I values. Neighboring base stations then exchange the updated I values. For each base station, the base station's updated I value and the base station's neighbors' updated I values are used in the model to update the initial sub-gradients. The updated sub-gradients are then exchanged and used for another update of the I values. After a number of iterations, the I values are used to establish a transmit power level per resource block.
摘要翻译：对于每个基站，初始化由基站分配的每个资源块的发射功率电平变量（I值）。 I值用于模型中以查找每个基站的子梯度。相邻基站交换子梯度。对于每个基站，在模型中使用基站的子梯度和基站的邻居子梯度来更新I值。相邻的基站然后交换更新的I值。对于每个基站，在模型中使用基站的更新的I值和基站的邻居更新的I值来更新初始子梯度。然后更新的子梯度被交换并用于I值的另一更新。经过多次迭代，I值用于建立每个资源块的发射功率电平。

2. 发明申请

US20120155376A1 PATH SELECTION FOR A WIRELESS SYSTEM WITH RELAYS 有权
标题翻译：具有继电器的无线系统的路径选择
公开(公告)号：US20120155376A1
公开(公告)日：2012-06-21
申请号：US13406176
申请日：2012-02-27
申请人： Nimal Gamini SENARATH , Derek YU , Hang ZHANG , Israfil BAHCECI , Peiying ZHU , Wen TONG
发明人： Nimal Gamini SENARATH , Derek YU , Hang ZHANG , Israfil BAHCECI , Peiying ZHU , Wen TONG
IPC分类号： H04W40/22
CPC分类号： H04W40/22 , H04B7/155 , H04L41/5003 , H04L41/5087 , H04L45/122 , H04L45/22 , H04W40/02 , Y02D70/1222 , Y02D70/124 , Y02D70/1262 , Y02D70/142 , Y02D70/146 , Y02D70/22 , Y02D70/30 , Y02D70/39 , Y02D70/446
摘要： A method selects a path for forwarding a data packet in a wireless communication system. A system capacity versus delay impact curve is calculated for a direct path to mobile station. The direct path has a capacity cost based on communication quality of a direct link between a base station and the mobile station. This curve is shifted by a predetermined time corresponding to an additional delay over a relay path to produce a projected capacity curve for the relay path having a second capacity cost determined according to a combined measure of signal quality of multiple links in the relay path. The second capacity cost is multiplied by a capacity cost ratio to produce a relay capacity curve. The direct path or the relay path is selected based on a comparison of the system capacity versus delay impact curve and the relay capacity curve according to a QoS requirement.
摘要翻译：一种方法选择用于在无线通信系统中转发数据分组的路径。针对移动台的直接路径计算系统容量对延迟影响曲线。直接路径具有基于基站和移动站之间的直接链路的通信质量的容量成本。该曲线偏移了与继电器路径上的附加延迟相对应的预定时间，以产生具有根据中继路径中的多个链路的信号质量的组合测量确定的第二容量成本的中继路径的投影容量曲线。第二容量成本乘以容量成本比来产生继电器容量曲线。根据QoS要求，基于系统容量与延迟冲击曲线和中继容量曲线的比较来选择直接路径或中继路径。

3. 发明申请

US20090185492A1 PATH SELECTION FOR A WIRELESS SYSTEM WITH RELAYS 有权
标题翻译：具有继电器的无线系统的路径选择
公开(公告)号：US20090185492A1
公开(公告)日：2009-07-23
申请号：US12347002
申请日：2008-12-31
申请人： Nimal Gamini SENARATH , Derek YU , Hang ZHANG , Israfil BAHCECI , Peiying ZHU , Wen TONG
发明人： Nimal Gamini SENARATH , Derek YU , Hang ZHANG , Israfil BAHCECI , Peiying ZHU , Wen TONG
IPC分类号： H04W40/02
CPC分类号： H04W40/22 , H04B7/155 , H04L41/5003 , H04L41/5087 , H04L45/122 , H04L45/22 , H04W40/02 , Y02D70/1222 , Y02D70/124 , Y02D70/1262 , Y02D70/142 , Y02D70/146 , Y02D70/22 , Y02D70/30 , Y02D70/39 , Y02D70/446
摘要： A method selects a path for forwarding a data packet in a wireless communication system. A system capacity versus delay impact curve is calculated for a direct path to mobile station. The direct path has a capacity cost based on communication quality of a direct link between a base station and the mobile station. This curve is shifted by a predetermined time corresponding to an additional delay over a relay path to produce a projected capacity curve for the relay path having a second capacity cost determined according to a combined measure of signal quality of multiple links in the relay path. The second capacity cost is multiplied by a capacity cost ratio to produce a relay capacity curve. The direct path or the relay path is selected based on a comparison of the system capacity versus delay impact curve and the relay capacity curve according to a QoS requirement.
摘要翻译：一种方法选择用于在无线通信系统中转发数据分组的路径。针对移动台的直接路径计算系统容量对延迟影响曲线。直接路径具有基于基站和移动站之间的直接链路的通信质量的容量成本。该曲线偏移了与继电器路径上的附加延迟相对应的预定时间，以产生具有根据中继路径中的多个链路的信号质量的组合测量确定的第二容量成本的中继路径的投影容量曲线。第二容量成本乘以容量成本比来产生继电器容量曲线。根据QoS要求，基于系统容量与延迟冲击曲线和中继容量曲线的比较来选择直接路径或中继路径。

4. 发明申请

US20120020403A1 MULTI-ANTENNA SCHEDULING SYSTEM AND METHOD 有权
标题翻译：多天线调度系统及方法
公开(公告)号：US20120020403A1
公开(公告)日：2012-01-26
申请号：US13252636
申请日：2011-10-04
申请人： Ming JIA , Jianglei MA , Jianming WU , Peiying ZHU , Wen TONG
发明人： Ming JIA , Jianglei MA , Jianming WU , Peiying ZHU , Wen TONG
IPC分类号： H04W24/00
CPC分类号： H04W72/082 , H04B7/0417 , H04B7/0443 , H04B7/0452 , H04B7/0632 , H04W72/1231
摘要： A wireless communication method and system using virtual MIMO (“V-MIMO”) are provided. Post processing signal to interference and noise ratios (“SINR”) for a plurality of signals corresponding to a plurality of mobile terminals arranged as a V-MIMO group are estimated. The one of the plurality of mobile terminals having the highest post processing SINR is selected. Wireless communication for the selected mobile terminal is scheduled. The signal corresponding to the selected mobile terminal is cancelled. Post processing signal to interference and noise ratios (“SINR”) for the signals corresponding to the remaining mobile terminals is re-estimated. The one of the remaining mobile terminals having the highest post processing SINR is selected. Wireless communication for the selected remaining mobile terminal is scheduled.
摘要翻译：提供了一种使用虚拟MIMO（“V-MIMO”）的无线通信方法和系统。估计与排列为V-MIMO组的多个移动终端对应的多个信号的后处理信号与干扰和噪声比（“SINR”）。选择具有最高后处理SINR的多个移动终端中的一个。安排所选移动终端的无线通信。对应于所选移动终端的信号被取消。重新估计对应于其余移动终端的信号的后处理信号与干扰和噪声比（“SINR”）。选择具有最高后处理SINR的剩余移动终端中的一个。调度所选择的剩余移动终端的无线通信。

5. 发明申请

US20100284480A1 METHOD AND APPARATUS FOR CHANNEL QUALITY MEASUREMENTS 有权
标题翻译：信道质量测量的方法和装置
公开(公告)号：US20100284480A1
公开(公告)日：2010-11-11
申请号：US12839836
申请日：2010-07-20
申请人： Ming JIA , Jianglei MA , Peiying ZHU , Dong-Sheng YU , Wen TONG
发明人： Ming JIA , Jianglei MA , Peiying ZHU , Dong-Sheng YU , Wen TONG
IPC分类号： H04L27/28 , H04L27/06 , H04L27/00
CPC分类号： H04L1/0631 , H04L1/0003 , H04L1/0009 , H04L1/0036 , H04L1/208 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04L25/0226 , H04L25/0236 , H04L25/03318 , H04L25/067
摘要： A method and apparatus are provided for measuring channel quality over which has been transmitted a sequence of symbols produced by encoding and constellation mapping a source data element sequence. The method includes receiving a sequence of received symbols over the channel whose quality is to be measured. The sequence of received symbols is de-mapped based on a first channel quality indicator previously transmitted to a transmitter of the sequence of symbols. The method also includes decoding the de-mapped symbols to produce a decoded output sequence. In some embodiments, the decoding may be based on the first channel quality indicator. The method also includes re-encoding the decoded output sequence to produce a re-encoded output sequence. The method also includes correlating the de-mapped symbols with the re-encoded output sequence to produce a second channel quality indicator. The second channel quality indicator is transmitted to the transmitter to adaptively select a type of mapping based on the second channel quality indicator. In some embodiments, the transmitter may adaptively select a type of encoding based on the second channel quality indicator.
摘要翻译：提供了一种用于测量已经发送了通过对源数据元素序列进行编码和星座映射而产生的符号序列的信道质量的方法和装置。该方法包括在其质量要被测量的信道上接收接收到的符号序列。基于先前发送到符号序列的发射机的第一信道质量指示符来对接收符号的序列进行解映射。该方法还包括对解映射符号进行解码以产生解码的输出序列。在一些实施例中，解码可以基于第一信道质量指示符。该方法还包括对解码的输出序列进行重新编码以产生重新编码的输出序列。该方法还包括将去映射符号与重新编码的输出序列相关联以产生第二信道质量指示符。第二信道质量指示符被发送到发射机，以基于第二信道质量指示符自适应地选择一种类型的映射。在一些实施例中，发射机可以基于第二信道质量指示符自适应地选择一种类型的编码。

6. 发明申请

US20130016651A1 MEDIA ACCESS CONTROL PROTOCOL FOR MULTI-HOP NETWORK SYSTEMS AND METHOD THEREFOR 有权
标题翻译： “多媒体网络系统的媒体访问控制协议”及其方法
公开(公告)号：US20130016651A1
公开(公告)日：2013-01-17
申请号：US13620567
申请日：2012-09-14
申请人： Hang ZHANG , Peiying ZHU , Mo-Han FONG , Wen TONG , Nimal SENARATH , Derek YU , David STEER , Curtis S. DODD
发明人： Hang ZHANG , Peiying ZHU , Mo-Han FONG , Wen TONG , Nimal SENARATH , Derek YU , David STEER , Curtis S. DODD
IPC分类号： H04B7/14
CPC分类号： H04L12/4633 , H04L1/1614 , H04L45/34 , H04L63/12 , H04L69/22 , H04L69/324 , H04W28/06 , H04W40/00 , H04W84/12 , H04W88/04
摘要： A method and system for wireless communication in which a plurality of media access control (“MAC”) packet data units (“PDUs”) corresponding to a plurality of wireless communication connections are received. The plurality of MAC PDUs is grouped into a relay packet and the relay packet is transmitted. Such grouping and transmission of the relay packet is performed by one or more relay nodes. The traffic control for the transmission can also be based on centralized or decentralized routing control and/or centralized or decentralized QoS control.
摘要翻译：一种用于无线通信的方法和系统，其中接收与多个无线通信连接相对应的多个媒体访问控制（MAC）分组数据单元（PDU）。将多个MAC PDU分组为中继分组，并发送中继分组。中继分组的这种分组和传输由一个或多个中继节点执行。传输的流量控制也可以基于集中式或分散式路由控制和/或集中式或分散式QoS控制。

7. 发明申请

US20120230233A1 CLOSED-LOOP MIMO SYSTEMS AND METHODS 有权
标题翻译：闭环MIMO系统和方法
公开(公告)号：US20120230233A1
公开(公告)日：2012-09-13
申请号：US13435002
申请日：2012-03-30
申请人： Ming JIA , Jianglei MA , Wen TONG , Peiying ZHU
发明人： Ming JIA , Jianglei MA , Wen TONG , Peiying ZHU
IPC分类号： H04L25/49 , H04L27/06 , H04B1/38 , H04L5/16
CPC分类号： H04L5/0048 , H04B7/0417 , H04B7/0456 , H04B7/0634 , H04B7/0639 , H04L5/14 , H04L25/0204 , H04L25/0224 , H04L25/0242 , H04L25/03343 , H04L27/2601 , H04L27/2613 , H04L2025/03426 , H04L2025/03802
摘要： Methods, devices and systems are provided for transmitting and receiving MIMO signals. In one embodiment, transmitting_of the MIMO signals involves pre-coding each of at least two data symbols using a respective pre-coding codeword to preclude a corresponding plurality of pre-coded data symbols. A respective signal is transmitted from each of a plurality of antennas, the respective signal including one of the pre-coded signals and at least one pilot for use in channel estimation. The signals collectively further include at least one beacon pilot vector consisting of a respective beacon pilot per antenna, the beacon pilot vector containing contents known to a receiver for use by the receiver in determining the codeword used to pre-code the at least one data signal.
摘要翻译：提供了发送和接收MIMO信号的方法，设备和系统。在一个实施例中，MIMO信号的传输涉及使用相应的预编码码字对至少两个数据符号中的每一个进行预编码，以排除对应的多个预编码数据符号。相应的信号从多个天线中的每一个发送，各个信号包括一个预编码信号和至少一个导频，用于信道估计。信号集体地进一步包括由每个天线的每个信标导频组成的至少一个信标导频向量，信标导频向量包含接收机已知的内容，以供接收机在确定用于对所述至少一个数据信号进行预编码的码字时使用。

8. 发明申请

US20120219093A1 METHOD AND APPARATUS FOR CHANNEL QUALITY MEASUREMENTS 有权
标题翻译：信道质量测量的方法和装置
公开(公告)号：US20120219093A1
公开(公告)日：2012-08-30
申请号：US13437066
申请日：2012-04-02
申请人： Ming JIA , Jianglei MA , Peiying ZHU , Dong-Sheng YU , Wen TONG
发明人： Ming JIA , Jianglei MA , Peiying ZHU , Dong-Sheng YU , Wen TONG
IPC分类号： H04L27/20 , H04L27/06 , H04L27/22
CPC分类号： H04L1/0631 , H04L1/0003 , H04L1/0009 , H04L1/0036 , H04L1/208 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04L25/0226 , H04L25/0236 , H04L25/03318 , H04L25/067
摘要： A method and apparatus for measuring channel quality over which has been transmitted a sequence of symbols produced by encoding and constellation mapping a source data element sequence. A sequence of received symbols is received over the channel. The sequence of received symbols is de-mapped based on a first channel quality indicator previously transmitted to a transmitter of the sequence of symbols. The de-mapped symbols are decoded to produce a decoded output sequence. In some embodiments, the decoding may be based on the first channel quality indicator. The decoded output sequence is re-encoded to produce a re-encoded output sequence. The de-mapped symbols are correlated with the re-encoded output sequence to produce a second channel quality indicator. The second channel quality indicator is transmitted to the transmitter to adaptively select a type of mapping based on the second channel quality indicator.
摘要翻译：一种用于测量信道质量的方法和装置，已经发送了通过对源数据元素序列进行编码和星座映射而产生的符号序列。通过该信道接收一系列接收到的符号。基于先前发送到符号序列的发射机的第一信道质量指示符来对接收符号的序列进行解映射。解映射的符号被解码以产生解码的输出序列。在一些实施例中，解码可以基于第一信道质量指示符。解码的输出序列被重新编码以产生重新编码的输出序列。去映射符号与重新编码的输出序列相关，以产生第二信道质量指示符。第二信道质量指示符被发送到发射机，以基于第二信道质量指示符自适应地选择一种类型的映射。

9. 发明申请

US20120027136A1 SYSTEM ACCESS AND SYNCHRONIZATION METHODS FOR MIMO OFDM COMMUNICATIONS SYSTEMS AND PHYSICAL LAYER PACKET AND PREAMBLE DESIGN 有权
公开(公告)号：US20120027136A1
公开(公告)日：2012-02-02
申请号：US13204238
申请日：2011-08-05
申请人： Jianglei MA , Ming JIA , Peiying ZHU , Wen TONG
发明人： Jianglei MA , Ming JIA , Peiying ZHU , Wen TONG
IPC分类号： H04L27/06
CPC分类号： H04W36/08 , H04B7/022 , H04B7/04 , H04B7/0413 , H04B7/0667 , H04B7/0697 , H04J11/0069 , H04L5/0023 , H04L5/0037 , H04L5/0048 , H04L7/0008 , H04L27/2602 , H04L27/2607 , H04L27/2613 , H04L27/2627 , H04L27/2628 , H04L27/2663 , H04L27/2665 , H04L27/2672 , H04L27/2675
摘要： A method and apparatus are provided for performing acquisition, synchronization and cell selection within an MIMO-OFDM communication system. A coarse synchronization is performed to determine a searching window. A fine synchronization is then performed by measuring correlations between subsets of signal samples, whose first signal sample lies within the searching window, and known values. The correlations are performed in the frequency domain of the received signal. In a multiple-output OFDM system, each antenna of the OFDM transmitter has a unique known value. The known value is transmitted as pairs of consecutive pilot symbols, each pair of pilot symbols being transmitted at the same subset of sub-carrier frequencies within the OFDM frame.

10. 发明申请

US20110216786A1 OFDM SYSTEM AND METHOD EMPLOYING OFDM SYMBOLS WITH KNOWN OR INFORMATION-CONTAINING PREFIXES 有权
公开(公告)号：US20110216786A1
公开(公告)日：2011-09-08
申请号：US13111415
申请日：2011-05-19
申请人： Shiquan WU , Wen TONG , Claude ROYER , Peiying ZHU
发明人： Shiquan WU , Wen TONG , Claude ROYER , Peiying ZHU
IPC分类号： H04J13/00
CPC分类号： H04L27/265 , H04J11/0023 , H04L27/2605 , H04L27/2626 , H04L27/2691 , H04L27/2695
摘要： Systems and methods for transmitting and receiving OFDM symbols are provided which enable the otherwise wasted transmission time normally used as a prefix for each OFDM symbol to contain useful information. At the receiver, the received signal is processed to convert received OFDM symbols from a linear convolution with the channel to a cyclic convolution.

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