专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明申请

WO2006048060A1 METHOD AND TRANSMITTER STRUCTURE REDUCING AMBIGUITY BY REPETITION REARRANGEMENT IN THE SYMBOL DOMAIN 审中-公开
标题翻译：方法和发射机结构通过符号域中的重复排列来减少有效性
公开(公告)号：WO2006048060A1
公开(公告)日：2006-05-11
申请号：PCT/EP2005/007929
申请日：2005-07-20
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD , GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
IPC分类号： H04L1/18
CPC分类号： H04L27/18 , H04L1/0003 , H04L1/1893 , H04L27/34
摘要： A method is provided which improves reliability of channel estimation in a digital communication system by reducing the ambiguity in the recognition of received symbols evaluated for the channel estimation. A data word transmitted according to a first mapping of data word values to modulation states is re-transmitted at least once with a second, re-arranged mapping of data word values to modulation states. The second mapping and possible further mappings are generated from the first mapping in a way that the number of different results which can be obtained from combining the transmitted original data symbol and the re-transmitted counterpart data symbol(s) is lower than the number of original modulation states in the first mapping.
摘要翻译：提供了一种通过减少对为信道估计评估的接收符号的识别中的歧义来提高数字通信系统中的信道估计的可靠性的方法。根据数据字值到调制状态的第一映射发送的数据字，通过将数据字值重新排列成调制状态的第二次重新发送至少一次。从第一映射生成第二映射和可能的另外的映射，使得可以从组合所发送的原始数据符号和重新发送的对方数据符号获得的不同结果的数量低于原始调制状态在第一个映射。

12. 发明申请

WO2006048059A1 METHOD AND TRANSMITTER STRUCTURE REDUCING AMBIGUITY BY REPETITION REARRANGEMENT IN THE BIT DOMAIN 审中-公开
标题翻译：方法和发射机结构通过重复排列在字段中减少有效性
公开(公告)号：WO2006048059A1
公开(公告)日：2006-05-11
申请号：PCT/EP2005/007928
申请日：2005-07-20
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
IPC分类号： H04L1/18 , H04L27/02 , H04L27/18 , H04L27/34
CPC分类号： H04L1/1893 , H04L1/0003 , H04L27/02 , H04L27/18 , H04L27/34
摘要： A method is provided which improves reliability of channel estimation in a digital communication system by reducing the ambiguity in the recognition of received symbols evaluated for the channel estimation. A first plurality of bits is mapped to a modulation state according to a given Gray mapping of binary numbers to modulation states and transmitted. The plurality of bits is re-transmitted at least once, with a sub-set of bits contained in the plurality of bits inverted, and mapped to further modulation states according to the same Gray mapping. The bits to be inverted are determined in a way that the number of different vector sum results obtainable, for all combinations of bit values within the first plurality of bits, by adding vectors representing complex values of the first and further modulation states in a complex plane, is lower than the number of different modulation states within the Gray mapping.
摘要翻译：提供了一种通过减少对为信道估计评估的接收符号的识别中的歧义来提高数字通信系统中的信道估计的可靠性的方法。根据二进制数给出的调制状态的给定格雷映射将第一多个比特映射到调制状态并发送。多个比特被重新发送至少一次，其中包含在多个比特中的比特的子集被反转，并且根据相同的Gray映射被映射到另外的调制状态。要反转的位通过将复合平面中的第一和另外的调制状态的复数值相加的矢量相加，以对于第一多个比特内的比特值的所有组合可获得的不同向量和结果的数量来确定，低于Gray映射中不同调制状态的数量。

13. 发明申请

WO2007131558A1 RESERVATION OF RADIO RESOURCES FOR USERS IN A MOBILE COMMUNICATIONS SYSTEM 审中-公开
标题翻译：在移动通信系统中为用户预留无线电资源
公开(公告)号：WO2007131558A1
公开(公告)日：2007-11-22
申请号：PCT/EP2007/001043
申请日：2007-02-07
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , WENGERTER, Christian , LÖHR, Joachim , GOLITSCHEK EDLER VON ELBWART, Alexander
发明人： WENGERTER, Christian , LÖHR, Joachim , GOLITSCHEK EDLER VON ELBWART, Alexander
IPC分类号： H04L12/56 , H04Q7/38
CPC分类号： H04W28/26 , H04L1/0072 , H04L1/0084 , H04L1/1812 , H04L5/0007 , H04L5/0039 , H04L5/0094 , H04W72/04 , H04W72/042
摘要： The invention relates to a method and scheduling apparatus for reserving radio resources in radio resource block units in a mobile communication system for a plurality of users. Further, another aspect of the invention is the indication of a radio resource reservation in radio resource block units in a mobile communication system to one of a plurality of mobile terminals. To provide a new mechanism allowing an efficient utilization of radio resources the invention proposes a resource reservation mechanism that reserves radio resources for a plurality of users in resource block units. Thereby, individual resource blocks are reserved for the individual users for a reservation period that comprises a plurality of time slots (or sub-frames). Further, the resource block reservations for the users overlap at least partially among the users, i.e. individual ones of the resource blocks are reserved for plural users.
摘要翻译：本发明涉及一种用于在多个用户的移动通信系统中的无线资源块单元中保留无线电资源的方法和调度装置。此外，本发明的另一方面是将移动通信系统中的无线资源块单元中的无线电资源预留指示给多个移动终端中的一个。为了提供能够有效利用无线电资源的新机制，本发明提出了一种资源预留机制，其以资源块单元为多个用户预留无线电资源。因此，对于包括多个时隙（或子帧）的预留时段，各个用户保留个别资源块。此外，用户的资源块预留至少部分地在用户之间重叠，即为多个用户预留了各个资源块。

14. 发明申请

WO2007012339A1 BIT-OPERATED REARRANGEMENT DIVERSITY FOR AICO MAPPING 审中-公开
标题翻译：用于AICO映射的双操作重定向多样性
公开(公告)号：WO2007012339A1
公开(公告)日：2007-02-01
申请号：PCT/EP2005/008111
申请日：2005-07-26
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
IPC分类号： H04L27/34
CPC分类号： H04L27/3405 , H04L1/02 , H04L1/18 , H04L25/067 , H04L27/38
摘要： Transmit diversity system in which constellation rearrangement is used. Both diversity signals contain the same data and both are 16-QAM, but the location of the data bits within the constellation is different. This averages the effect of the different levels of reliability of the different constellation points. A method for modifying a quadruple of data bits in a data transmission system using Quadrature. Amplitude Modulation with 16 different modulation states, 16-QAM, using an Antipodal Inverted Constellation (AICO) mapping, swapping bits selecting contiguous symbol regions with bits selecting non-contiguous symbol regions. Depending on the particular pre-defined mapping and on the particular permutation of bits, inversion of selected bits may be performed in addition. The quadruples thus obtained are mapped to modulation symbols according to a pre-defined AICO mapping. In the corresponding method for receiving the symbols, likelihood values are swapped and modified in a way which is complementary to the permutation and inversion of bits, before they are combined with likelihood values from other symbols representing the same bits. Method ensures that there is a one to one correspondence between Hamming distance and Euclidian distance for the combined received data. In other words it ensures that, once combined, all 4 bit data words which differ by the same number of bits (Hamming distance) are the same distance apart in the constellation (Euclidian distance).
摘要翻译：使用星座重排的发射分集系统。两个分集信号都包含相同的数据，并且都是16-QAM，但星座内的数据位的位置是不同的。这平均了不同星座点的不同可靠性水平的影响。一种用于使用Quadrature修改数据传输系统中的四倍数据位的方法。具有16种不同调制状态的幅度调制（16-QAM），使用反型反相星座（AICO）映射，交换位选择连续的符号区，其中位选择不连续的符号区。根据特定的预定义映射和位的特定置换，可以另外执行所选位的反转。根据预定义的AICO映射将由此获得的四倍数映射到调制符号。在用于接收符号的相应方法中，在将它们与表示相同比特的其他符号的似然值组合之前，以与位的置换和反相互补的方式交换和修改似然值。方法确保了组合接收数据的汉明距离和欧氏距离之间有一对一的对应关系。换句话说，它确保一旦组合，通过相同位数（汉明距离）不同的所有4位数据字在星座（欧几里得距离）中是相同的距离。

15. 发明申请

WO2006048061A1 METHOD AND TRANSMITTER STRUCTURE REMOVING PHASE AMBIGUITY BY REPETITION REARRANGEMENT 审中-公开
标题翻译：方法和发射机结构通过重复排列删除相位优化
公开(公告)号：WO2006048061A1
公开(公告)日：2006-05-11
申请号：PCT/EP2005/008081
申请日：2005-07-25
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
IPC分类号： H04L1/18
CPC分类号： H04L1/18 , H04L5/0007 , H04L5/0048 , H04L25/0226 , H04L27/0008 , H04L27/04 , H04L27/183 , H04L27/20 , H04L27/2613 , H04L27/3455 , H04L27/3472 , H04L27/3488
摘要： A method is provided which improves reliability of channel estimation in a digital communication system by reducing or removing the ambiguity in the combination of received repeated symbols evaluated for the channel estimation. A subset of all available modulation states in a pre-determined modulation scheme is selected, to be used for transmissions. A plurality of bits transmitted according to a first mapping of bit value combinations to modulation states is re-transmitted at least once with a second, rearranged mapping of bit value combinations to modulation states. The second mapping and possible further mappings are generated from the first mapping in a way that the addition of complex values associated with said first and said further modulation states yields the same result for all bit value combinations.
摘要翻译：提供了一种通过减少或去除对于信道估计所估计的接收的重复符号的组合中的模糊度来提高数字通信系统中的信道估计的可靠性的方法。选择预定调制方案中的所有可用调制状态的子集，以用于传输。根据位值组合对调制状态的第一映射发送的多个比特，通过将比特值组合的第二次重排列映射到调制状态，至少重新发送一次。从第一映射生成第二映射和可能的另外的映射，使得与所述第一和所述另外的调制状态相关联的复数值的加法对于所有比特值组合产生相同的结果。

16. 发明申请

WO2005046274A1 TRANSMISSION POWER RANGE SETTING DURING CHANNEL ASSIGNMENT FOR INTERFERENCE BALANCING IN A CELLULAR WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：无线通信系统干扰平衡通道分配期间的传输功率范围设置
公开(公告)号：WO2005046274A1
公开(公告)日：2005-05-19
申请号：PCT/EP2004/012561
申请日：2004-11-05
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , WENGERTER, Christian , GOLITSCHEK EDLER VON ELBWART, Alexander
发明人： WENGERTER, Christian , GOLITSCHEK EDLER VON ELBWART, Alexander
IPC分类号： H04Q7/36
CPC分类号： H04W52/50 , H04W52/262 , H04W52/34 , H04W52/367 , H04W52/42
摘要： The present invention relates to a method for balancing the distribution of interference between radio cells in a wireless communication system comprising cells in which subcarrier blocks are used for communication. A number of adjacent cells build a cell cluster. Moreover, the present invention relates to a corresponding method adapted for use in a system in which multi beam antennas or multiple antennas are used. Furthermore, the present invention relates to base stations performing the above method as well as a communication system comprising the base stations. To reduce the large average SIR variations without causing additional SIR estimation, measurement and calculation problem as introduced with power control the invention suggests to group subcarrier blocks into a plurality of subcarrier block sets in each cell of a cell cluster, to determine transmission power ranges for each of the cells of said cell cluster, and to assign transmission power ranges to the subcarrier block sets to perform TPC within the ranges.
摘要翻译：本发明涉及一种用于平衡无线通信系统中的无线电小区之间的干扰分布的方法，所述无线通信系统包括其中子载波块用于通信的小区。许多相邻的单元格构建单元格集群。此外，本发明涉及适用于其中使用多波束天线或多个天线的系统中的相应方法。此外，本发明涉及执行上述方法的基站以及包括基站的通信系统。为了减少大的平均SIR变化而不引起额外的SIR估计，如功率控制引入的测量和计算问题，本发明建议将子载波块分组成小区簇的每个小区中的多个子载波块集合，以确定发射功率范围并且将发送功率范围分配给子载波块集合以在该范围内执行TPC。

17. 发明申请

WO2006117015A1 SIGNAL SPACE EXPANSION FOR A 16 QAM SCHEME 审中-公开
标题翻译： 16 QAM方案的信号空间扩展
公开(公告)号：WO2006117015A1
公开(公告)日：2006-11-09
申请号：PCT/EP2005/004892
申请日：2005-05-04
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , GOLITSCHEK EDLER VON ELBWART, Alexander , YOSHII, Isamu , WENGERTER, Christian
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , YOSHII, Isamu , WENGERTER, Christian
IPC分类号： H04L1/00 , H04L27/34
CPC分类号： H04L27/34
摘要： The invention relates to methods for transmitting and receiving a data bit stream in a communication system using a 16-QAM constellation. Further, an apparatus for performing the methods is provided. To provide a modulation and coding scheme using a signal space expansion and 16-QAM which improves the bit-error rate in comparison to QPSK modulated signals and still provides the possibility to implement coders and decoders with low complexity the invention suggests the use a 16-QAM constellation with specially selected mapping rules together with repetition coding (signal space expansion) and interleaving of the data stream to be transmitted.
摘要翻译：本发明涉及在使用16-QAM星座的通信系统中发送和接收数据比特流的方法。此外，提供了一种用于执行该方法的装置。为了提供使用信号空间扩展和16-QAM的调制和编码方案，其与QPSK调制信号相比提高了比特误码率，并且仍然提供实现低复杂度的编码器和解码器的可能性，本发明建议使用16- 具有特别选择的映射规则的QAM星座，以及要发送的数据流的重复编码（信号空间扩展）和交织。

18. 发明申请

WO2006117014A1 DATA TRANSMISSIONS IN A MOBILE COMMUNICATION SYSTEM EMPLOYING DIVERSITY AND CONSTELLATION REARRANGEMENT OF A 16 QAM SCHEME 审中-公开
标题翻译：移动通信系统中的数据传输采用16 QAM方案的多样性和协调排列
公开(公告)号：WO2006117014A1
公开(公告)日：2006-11-09
申请号：PCT/EP2005/004891
申请日：2005-05-04
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
IPC分类号： H04L27/34
CPC分类号： H04L27/34 , H04L1/0045
摘要： The invention relates to methods for transmitting and receiving a data bit stream in a communication system using 16-QAM constellations. Further, an apparatus for performing the methods is provided. To improve the bit-error rate performance of the communication using the 16-QAM constellations the invention suggests the use 16-QAM constellations with specially selected mapping rules together with a special constellation rearrangement for creating different versions of the 16-QAM constellations. Further, the data stream is transmitted according to a diversity scheme employing different versions of the 16-QAM constellations obtained adhering the mapping rules and rearrangement rules defined by the invention.
摘要翻译：本发明涉及在使用16-QAM星座的通信系统中发送和接收数据比特流的方法。此外，提供了一种用于执行该方法的装置。为了提高使用16-QAM星座的通信的误码率性能，本发明建议使用具有特别选择的映射规则的16-QAM星座以及用于创建不同版本的16-QAM星座的特殊星座重排。此外，数据流根据采用不同版本的16-QAM星座的分集方案进行发送，这些版本遵循了本发明所定义的映射规则和重排规则。

19. 发明申请

WO2006048090A1 METHOD FOR REDUCING AMBIGUITY LEVELS OF TRANSMITTED SYMBOLS 审中-公开
标题翻译：用于减少传输符号的准确性水平的方法
公开(公告)号：WO2006048090A1
公开(公告)日：2006-05-11
申请号：PCT/EP2005/010602
申请日：2005-09-30
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD , GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian , YOSHII, Isamu
IPC分类号： H04L1/18 , H04L27/02 , H04L27/18 , H04L27/34 , H04L27/26
CPC分类号： H04L27/183 , H04L1/18 , H04L5/0007 , H04L5/0048 , H04L27/0008 , H04L27/04 , H04L27/2613 , H04L27/3455 , H04L27/3488
摘要： The present invention is directed to a transmitter and method for transmitting data in a digital communication system, the method comprising generating an original symbol by mapping the bits of the original bit sequence using a modulation constellation, generating at least one counter part symbol from the original symbol or from at least one counter part bit sequence generated from the original bit sequence where a combination of the original symbol and the at least one counter part symbol forms a quasi pilot symbol.
摘要翻译：本发明涉及一种用于在数字通信系统中发送数据的发射机和方法，所述方法包括：使用调制星座映射原始比特序列的比特来生成原始符号，从原始的生成至少一个计数器部分符号符号或从原始比特序列生成的至少一个计数器部分比特序列，其中原始符号和至少一个计数器部分符号的组合形成准导频符号。

20. 发明申请

WO2005099100A1 LOCAL ERASURE MAP DECODER 审中-公开
标题翻译：本地擦除地图解码器
公开(公告)号：WO2005099100A1
公开(公告)日：2005-10-20
申请号：PCT/EP2004/003017
申请日：2004-03-22
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian
发明人： GOLITSCHEK EDLER VON ELBWART, Alexander , WENGERTER, Christian
IPC分类号： H03M13/29
CPC分类号： H03M13/3905 , H03M13/2957 , H03M13/3961 , H03M13/6337
摘要： The present invention relates to a method for decoding at least one codeword, the at least one codeword having been generated by an encoder comprising a structure providing a code representable by a set of branch transitions in a trellis diagram. Further, the present invention provides a respective decoder, as well as a mobile station and a base station in a communication network employing the decoder. Moreover a communication system comprising the base stations and mobile stations is provided. To reduce the influence of wrong information in a decoding process the present invention suggests using only a subset of reliable information in the forward and/or backward recursion of a Maximum A-Posteriori (MAP) Algorithm or Max-Log-MAP Algorithm.
摘要翻译：本发明涉及一种用于对至少一个码字进行解码的方法，所述至少一个码字已由编码器产生，该编码器包括提供网格图中由一组分支转换表示的代码的结构。此外，本发明提供了一种相应的解码器，以及采用解码器的通信网络中的移动站和基站。此外，提供了包括基站和移动站的通信系统。为了减少解码过程中错误信息的影响，本发明建议在最大后验（MAP）算法或最大 - 对数MAP算法的正向和/或反向递归中仅使用可靠信息的子集。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式