-
11.发明授权Transmitting apparatus, receiving apparatus and transmission power control method 有权发射装置，接收装置和发射功率控制方法公开(公告)号：US07920889B2
公开(公告)日：2011-04-05
申请号：US11915724
申请日：2006-05-30
CPC分类号： H04W52/247 , H04W52/262
摘要： A transmitting apparatus, a receiving apparatus and a transmission power control method wherein even in a case of performing a transmission power control of multi-valued modulated symbols, the degradation of reception characteristic and that of network usage efficiency can be avoided. A power control instructing part (204) adjusts, based on an encoding rate and a modulation scheme in a case of applying a power control value, which maximizes the MIMO channel capacity, to each stream, the power control value of a stream, which is the most likely to be affected by a power estimation error, into a reference value, and then applies the adjustment value used for that adjustment to the other streams, that is, the streams that are not likely to be affected by the power estimation error. A power control part (205) performs a transmission power control in accordance with the power control value as adjusted by the power control instructing part (204).
摘要翻译： 一种发送装置，接收装置和发送功率控制方法，其中即使在执行多值调制符号的发送功率控制的情况下，也可以避免接收特性的劣化和网络使用效率的劣化。 功率控制指示部（204）根据编码率和调制方式，对每个流施加使MIMO信道容量最大化的功率控制值，将流的功率控制值，即 最可能受功率估计误差影响的参考值，然后将用于该调整的调整值应用于其他流，即不太可能受功率估计误差影响的流。 功率控制部（205）根据由功率控制指示部（204）调节的功率控制值进行发送功率控制。
-
公开(公告)号：US20090022239A1
公开(公告)日：2009-01-22
申请号：US11915846
申请日：2006-06-01
IPC分类号： H04B7/04
CPC分类号： H04B7/0426 , H04L1/0002 , H04L1/005 , H04L25/0212
摘要： A symbol arranging method by which a processing load due to channel estimation for MIMO channels can be reduced. In the methods a symbol is arranged for a transmission frame format having a pilot area and a data area. The pilot symbol is arranged in the pilot area. An ICE data symbol used for iterative channel estimation (ICE) is arranged in an ICE data area in the data area. The MIMO data symbol not used for ICE is arranged in the MIMO data area in the data area.
摘要翻译： 一种符号排列方法，可以减少由于MIMO信道的信道估计引起的处理负担。 在方法中，对具有导频区域和数据区域的传输帧格式设置符号。 导频符号安排在试点区域。 用于迭代信道估计（ICE）的ICE数据符号被布置在数据区域中的ICE数据区域中。 不用于ICE的MIMO数据符号被布置在数据区中的MIMO数据区域中。
-
13.发明授权公开(公告)号：US07844013B2
公开(公告)日：2010-11-30
申请号：US11912630
申请日：2006-04-24
申请人： Masayuki Hoshino , Ryohei Kimura , Yasuaki Yuda , Tomohiro Imai , Kenichi Miyoshi , Akihiko Nishio
发明人： Masayuki Hoshino , Ryohei Kimura , Yasuaki Yuda , Tomohiro Imai , Kenichi Miyoshi , Akihiko Nishio
IPC分类号： H04L27/00
CPC分类号： H04B7/0669 , H04B7/0417 , H04B7/063 , H04B7/0632 , H04B7/0673 , H04B17/24 , H04L1/0003 , H04L1/0009 , H04L1/004 , H04L1/1867 , H04W52/267
摘要： A link adaptation method and others wherein feedback information amount can be reduced. According to this method, a receiving apparatus (100) calculates, based on a channel matrix, a capacity (C) and a stream ratio (r) that is a ratio of the reception qualities of streams, and then transmits, as feedback information, the calculated capacity (C) and stream ratio (r) to a transmitting apparatus. In the transmitting apparatus (200), the number of transmittable streams, the modulation scheme and the fed-back capacity (C) are used to calculate the encoding ratio (R) and sequence length (S) of spatial multiplexed symbols. Then, the modulation scheme (M1-Mn) of each stream is decided based on the fed-back stream ratio (r) and the sequence length (S) of spatial multiplexed symbols.
摘要翻译： 链路适配方法等可以减少反馈信息量。 根据该方法，接收装置（100）基于信道矩阵计算作为流的接收质量的比率的容量（C）和流比（r），然后作为反馈信息， 计算的容量（C）和流量比（r）。 在发送装置（200）中，使用可发送流的数量，调制方式和反馈容量（C）来计算空间复用符号的编码率（R）和序列长度（S）。 然后，基于反馈流比（r）和空间复用符号的序列长度（S）来决定各流的调制方式（M1-Mn）。
-
14.发明申请RADIO TRANSMITTING APPARATUS, RADIO RECEIVING APPARATUS AND RADIO TRANSMITTING METHOD 审中-公开无线电发射装置，无线电接收装置和无线电发射方法公开(公告)号：US20090093265A1
公开(公告)日：2009-04-09
申请号：US11915375
申请日：2006-05-25
IPC分类号： H04B7/00
CPC分类号： H04B7/0689 , H04B7/0417 , H04B7/043 , H04B7/0434 , H04B7/063 , H04B7/0632 , H04L1/0002 , H04L1/0015 , H04L1/0016 , H04L1/1867
摘要： A radio transmitting apparatus, a radio receiving apparatus and a radio transmitting method wherein the accuracy of detecting streams in D-TxAA is improved. There is included a transmission mode switching part (102) that switches output destinations of first and second input streams (1865,1866) in accordance with the propagation environments of first and second MIMO channel beams (1831,1832). The transmission mode switching part (102) switches from a D-TxAA mode transmission to a first or second unique mode transmission in accordance with the propagation environments.
摘要翻译： 一种无线电发送装置，无线接收装置和无线电发送方法，其中检测D-TxAA中的流的精度得到改善。 包括根据第一和第二MIMO信道波束（1831,1832）的传播环境切换第一和第二输入流（1865,1866）的输出目的地的传输模式切换部分（102）。 传输模式切换部分（102）根据传播环境从D-TxAA模式传输切换到第一或第二唯一模式传输。
-
15.发明申请MIMO TRANSMITTING APPARATUS, MIMO RECEIVING APPARATUS, AND RETRANSMITTING METHOD 有权MIMO发射设备，MIMO接收设备和重传方法公开(公告)号：US20090055701A1
公开(公告)日：2009-02-26
申请号：US11909415
申请日：2006-03-27
CPC分类号： H04L1/0009 , H04L1/0071 , H04L1/08 , H04L1/1812
摘要： A MIMO transmitting apparatus that achieves a flexible control in accordance with variation of a propagation environment to reduce the number of retransmissions. A buffer (104) temporarily stores transport bits, which have been interleaved, in preparation for retransmission. An intra-code-word interleaver (105) performs an interleave process by all of the bits included in the symbols to be simultaneously transmitted from a plurality of transmitting antennas. When performing an intra-code-word interleave process, the intra-code-word interleaver (105) performs the interleave process in accordance with an interleave pattern notified from an interleave pattern table (107). A counter (106) counts retransmission requests, and outputs the number of retransmissions to the interleave pattern table (107). The interleave pattern table (107) stores interleave patterns to be used for intra-code-word interleave process for the respective numbers of retransmissions, and notifies the intra-code-word interleaver (105) of an interleave pattern in accordance with a number of retransmissions.
摘要翻译： 一种MIMO发送装置，其根据传播环境的变化实现灵活的控制，以减少重发次数。 缓冲器（104）临时存储已经被交织的传输比特，以准备重传。 码内字交织器（105）通过从多个发送天线同时发送的符号中包含的所有比特执行交织处理。 当进行码内字交错处理时，码内字交织器（105）根据从交织模式表（107）通知的交织模式进行交织处理。 计数器（106）对重发请求进行计数，并将重发次数输出到交织模式表（107）。 交织模式表（107）存储要用于各个重传次数的码内字交织处理的交织模式，并根据数量的多个通知码内字交织器（105）的交织模式 重传。
-
16.发明申请公开(公告)号：US20090034637A1
公开(公告)日：2009-02-05
申请号：US11912630
申请日：2006-04-24
申请人： Masayuki Hoshino , Ryohei Kimura , Yasuaki Yuda , Tomohiro Imai , Kenichi Miyoshi , Akihiko Nishio
发明人： Masayuki Hoshino , Ryohei Kimura , Yasuaki Yuda , Tomohiro Imai , Kenichi Miyoshi , Akihiko Nishio
CPC分类号： H04B7/0669 , H04B7/0417 , H04B7/063 , H04B7/0632 , H04B7/0673 , H04B17/24 , H04L1/0003 , H04L1/0009 , H04L1/004 , H04L1/1867 , H04W52/267
摘要： A link adaptation method and others wherein feedback information amount can be reduced. According to this method, a receiving apparatus (100) calculates, based on a channel matrix, a capacity (C) and a stream ratio (r) that is a ratio of the reception qualities of streams, and then transmits, as feedback information, the calculated capacity (C) and stream ratio (r) to a transmitting apparatus. In the transmitting apparatus (200), the number of transmittable streams, the modulation scheme and the fed-back capacity (C) are used to calculate the encoding ratio (R) and sequence length (S) of spatial multiplexed symbols. Then, the modulation scheme (M1-Mn) of each stream is decided based on the fed-back stream ratio (r) and the sequence length (S) of spatial multiplexed symbols.
摘要翻译： 链路适配方法等可以减少反馈信息量。 根据该方法，接收装置（100）基于信道矩阵计算作为流的接收质量的比率的容量（C）和流比（r），然后作为反馈信息， 计算的容量（C）和流量比（r）。 在发送装置（200）中，使用可发送流的数量，调制方式和反馈容量（C）来计算空间复用符号的编码率（R）和序列长度（S）。 然后，基于反馈流比（r）和空间复用符号的序列长度（S）来决定各流的调制方式（M1-Mn）。
-
17.发明申请TRANSMITTING APPARATUS, RECEIVING APPARATUS AND TRANSMISSION POWER CONTROL METHOD 有权发射装置，接收装置和传输功率控制方法公开(公告)号：US20090227211A1
公开(公告)日：2009-09-10
申请号：US11915724
申请日：2006-05-30
CPC分类号： H04W52/247 , H04W52/262
摘要： A transmitting apparatus, a receiving apparatus and a transmission power control method wherein even in a case of performing a transmission power control of multi-valued modulated symbols, the degradation of reception characteristic and that of network usage efficiency can be avoided. A power control instructing part (204) adjusts, based on an encoding rate and a modulation scheme in a case of applying a power control value, which maximizes the MIMO channel capacity, to each stream, the power control value of a stream, which is the most likely to be affected by a power estimation error, into a reference value, and then applies the adjustment value used for that adjustment to the other streams, that is, the streams that are not likely to be affected by the power estimation error. A power control part (205) performs a transmission power control in accordance with the power control value as adjusted by the power control instructing part (204).
摘要翻译： 一种发送装置，接收装置和发送功率控制方法，其中即使在执行多值调制符号的发送功率控制的情况下，也可以避免接收特性的劣化和网络使用效率的劣化。 功率控制指示部（204）根据编码率和调制方式，对每个流施加使MIMO信道容量最大化的功率控制值，将流的功率控制值，即 最有可能受功率估计误差影响的参考值，然后将用于该调整的调整值应用于其他流，即不太可能受功率估计误差影响的流。 功率控制部（205）根据由功率控制指示部（204）调节的功率控制值进行发送功率控制。
-
公开(公告)号：US08065579B2
公开(公告)日：2011-11-22
申请号：US11816885
申请日：2006-02-27
CPC分类号： H04L1/1893 , H04L1/0001 , H04L1/0013 , H04L1/0015 , H04L1/0026 , H04L1/0071 , H04L1/06 , H04L1/1819 , H04L1/1825 , H04L1/1845 , H04L25/0222
摘要： A retransmission control scheme and a wireless communication apparatus wherein the efficiency of retransmission control is enhanced to further improve the system throughput. In this wireless communication apparatus (100), an error occurrence factor addressing part (140) receives information related to the error occurrence factor of a transmitted packet or information related to the schemes of forming or transmitting a retransmittal packet corresponding to that error occurrence factor, and switches, based on the received information, the schemes of forming or transmitting the retransmittal packet. In this way, the schemes of forming or transmitting the retransmittal packet can be switched in accordance with the error occurrence factor of the transmitted packet. At the end of receiving the retransmittal packet, therefore, the performing of a decoding processor the like in accordance with that scheme of forming or transmitting can enhance the efficiency of the retransmission control. As a result, the system throughput can be improved.
摘要翻译： 一种重传控制方案和一种无线通信装置，其中提高了重传控制的效率以进一步提高系统吞吐量。 在该无线通信装置（100）中，错误发生因子寻址部（140）接收与所发送的分组的错误发生因子相关的信息或与形成或发送对应于该错误发生因子的重传分组的方案有关的信息， 并且基于所接收的信息来切换形成或发送重传分组的方案。 以这种方式，可以根据发送的分组的错误发生因素来切换形成或发送重传分组的方案。 因此，在接收到重传分组的结束时，根据该形成或发送方案执行解码处理器等可以提高重传控制的效率。 结果，可以提高系统吞吐量。
-
公开(公告)号：US20090031183A1
公开(公告)日：2009-01-29
申请号：US11816885
申请日：2006-02-27
CPC分类号： H04L1/1893 , H04L1/0001 , H04L1/0013 , H04L1/0015 , H04L1/0026 , H04L1/0071 , H04L1/06 , H04L1/1819 , H04L1/1825 , H04L1/1845 , H04L25/0222
摘要： A retransmission control scheme and a wireless communication apparatus wherein the efficiency of retransmission control is enhanced to further improve the system throughput. In this wireless communication apparatus (100), an error occurrence factor addressing part (140) receives information related to the error occurrence factor of a transmitted packet or information related to the schemes of forming or transmitting a retransmittal packet corresponding to that error occurrence factor, and switches, based on the received information, the schemes of forming or transmitting the retransmittal packet. In this way, the schemes of forming or transmitting the retransmittal packet can be switched in accordance with the error occurrence factor of the transmitted packet. At the end of receiving the retransmittal packet, therefore, the performing of a decoding processor the like in accordance with that scheme of forming or transmitting can enhance the efficiency of the retransmission control. As a result, the system throughput can be improved.
摘要翻译： 一种重传控制方案和一种无线通信装置，其中提高了重传控制的效率以进一步提高系统吞吐量。 在该无线通信装置（100）中，错误发生因子寻址部（140）接收与所发送的分组的错误发生因子相关的信息或与形成或发送对应于该错误发生因子的重传分组的方案有关的信息， 并且基于所接收的信息来切换形成或发送重传分组的方案。 以这种方式，可以根据发送的分组的错误发生因素来切换形成或发送重传分组的方案。 因此，在接收到重传分组的结束时，根据该形成或发送方案执行解码处理器等可以提高重传控制的效率。 结果，可以提高系统吞吐量。
-
公开(公告)号：US20120021754A1
公开(公告)日：2012-01-26
申请号：US13062177
申请日：2009-09-03
申请人： Yoshihiko Ogawa , Sergio Nakao , Daichi Imamura , Katsuhiko Hiramatsu , Kenichi Miyoshi , Megumi Ichikawa , Sadaki Futagi , Yasuaki Yuda , Ayako Horiuchi
发明人： Yoshihiko Ogawa , Sergio Nakao , Daichi Imamura , Katsuhiko Hiramatsu , Kenichi Miyoshi , Megumi Ichikawa , Sadaki Futagi , Yasuaki Yuda , Ayako Horiuchi
IPC分类号： H04W72/04
CPC分类号： H04L1/1893 , H04L5/0044 , H04L5/0053 , H04L5/0066 , H04W72/082
摘要： Disclosed is a radio communication device that, even when a terminal erroneously receives a retransmission grant or a response signal from a base station, can reduce the number of other terminals in which the terminal interferes at a retransmission. In this device, a determination unit (205) determines a bandwidth between the two ends of a transmission band allocated to a transmitted signal at the retransmission of the transmitted signal. An allocation unit (209) allocates the transmitted signal to a frequency resource based on the bandwidth that is input from the determination unit (205). The determination unit (205) increases at the retransmission the amount of decrease in the bandwidth from the previous transmission, as the consecutiveness of the transmitted signal in the frequency region decreases.
摘要翻译： 公开了一种无线电通信装置，即使当终端错误地接收到来自基站的重发授权或响应信号时，也可以减少终端在重发时干扰的其他终端的数量。 在该装置中，确定单元（205）确定在发送信号的重发时分配给发送信号的发送频带的两端之间的带宽。 分配单元（209）基于从确定单元（205）输入的带宽，将发送的信号分配给频率资源。 随着频率区域中的发送信号的连续性降低，确定单元（205）在重传时增加了来自先前传输的带宽的减少量。
-
-
-
-
-
-
-
-
-
搜索结果
125 条记录 (耗时 0.029 秒)
