公开(公告)号：US08477713B2

公开(公告)日：2013-07-02

申请号：US12933328

申请日：2009-03-16

申请人： Bo Dai ,  Shuqiang Xia ,  Bin Yu ,  Chunli Liang ,  Peng Hao

发明人： Bo Dai ,  Shuqiang Xia ,  Bin Yu ,  Chunli Liang ,  Peng Hao

IPC分类号： H04W4/00 ,  H04B7/00

CPC分类号： H04W72/042

摘要： A method for indicating an uplink resource is provided, including that: when a base station side transmits an uplink resource indication signaling in a downlink subframe, an uplink subframe indication signaling corresponding to the uplink resource indication signaling being transmitted together; and the uplink subframe indication signaling is used for indicating an uplink subframe used by a user side to transmit data according to the uplink resource indication signaling. A system for implementing the method is also provided, which can distinguish a resource indication signaling corresponding to different uplink subframes in the same downlink subframe, and avoid that all the users of different uplink subframes transmit the data in the same resource of the same uplink frame, thereby avoiding mutual interference between the users of the uplink subframes, ensuring system performance and resulting in less signaling overhead.

摘要翻译： 提供一种用于指示上行链路资源的方法，包括：当基站侧在下行链路子帧中发送上行链路资源指示信令时，与上行链路资源指示信令相对应的上行链路子帧指示信令一起发送; 并且上行链路子帧指示信令用于指示用户侧根据上行链路资源指示信令发送数据所使用的上行链路子帧。 还提供了一种用于实现该方法的系统，其可以区分相同下行链路子帧中与不同上行链路子帧相对应的资源指示信令，并且避免不同上行链路子帧的所有用户在相同上行链路帧的相同资源中发送数据 从而避免上行链路子帧的用户之间的相互干扰，确保系统性能并导致更少的信令开销。

公开(公告)号：US08477712B2

公开(公告)日：2013-07-02

申请号：US12912041

申请日：2010-10-26

申请人： Peng Hao ,  Bin Yu ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai

发明人： Peng Hao ,  Bin Yu ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai

IPC分类号： H04W4/00 ,  H04J4/00 ,  H04L27/28

CPC分类号： H04W74/0866 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0073 ,  H04L27/2626

摘要： The present invention discloses a method for mapping physical random access channels, which comprises the following steps: the PRACHs in the same time domain location are mapped from low frequency to high frequency, or from high frequency to low frequency in usable frequency resource, wherein one PRACH occupies 6 resource blocks, and the frequency bands occupied by two adjacent PRACHs in the frequency domain do not overlap; or the PRACHs in the same time domain location are mapped from two sides to the middle in usable frequency resource, wherein one PRACH occupies 6 resource blocks, and the frequency bands occupied by two adjacent PRACHs in the frequency domain do not overlap. The present invention enables uniformly distributing the PRACHs which require to be processed by the same base station in the time domain, and decreasing the inter-cell interference of the second type PRACH to the utmost extent at the same time.

摘要翻译： 本发明公开了一种用于映射物理随机接入信道的方法，包括以下步骤：在可用频率资源中，相同时域位置的PRACH从低频到高频，或从高频到低频映射，其中一个 PRACH占用6个资源块，频域中两个相邻PRACH占用的频带不重叠; 或者相同时域位置的PRACH从可用频率资源的两侧映射到中间，其中一个PRACH占用6个资源块，并且频域中两个相邻PRACH所占据的频带不重叠。 本发明能够均匀地分配需要在时域中由相同基站处理的PRACH，同时在最大程度上降低第二类型PRACH的小区间干扰。

公开(公告)号：US08345661B2

公开(公告)日：2013-01-01

申请号：US12809177

申请日：2008-11-21

申请人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang

发明人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang

IPC分类号： H04J3/06

CPC分类号： H04L1/1671

摘要： A method for sending physical hybrid ARQ indicator channel signals in a downlink pilot time slot, characterized in: the Orthogonal Frequency Division Multiplexing (OFDM) symbols of the PHICH signals sent in the DwPTS by a base station differs from the OFDM symbols used for sending the P-SCH signals or the S-SCH signals. According to the method, not only the problem of the confliction between the PHICH signals and the synchronization channel signals in the DwPTS is solved, but also the time delay for sending the PHICH signals is reduced as much as possible, thus an influence on other channels is reduced, and processing of other channels is facilitated.

摘要翻译： 一种用于在下行链路导频时隙中发送物理混合ARQ指示符信道信号的方法，其特征在于：由基站在DwPTS中发送的PHICH信号的正交频分复用（OFDM）符号与用于发送 P-SCH信号或S-SCH信号。 根据该方法，不仅解决了DwPTS中的PHICH信号与同步信道信号之间的冲突的问题，而且尽可能地减少发送PHICH信号的时间延迟，从而影响其他信道 减少了其他信道的处理。

公开(公告)号：US20110026445A1

公开(公告)日：2011-02-03

申请号：US12935862

申请日：2009-01-21

申请人： Peng Hao ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai ,  Bin Yu

发明人： Peng Hao ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai ,  Bin Yu

IPC分类号： H04L5/14

CPC分类号： H04W74/002 ,  H04W74/0833

摘要： The present invention discloses a method for configuring and indicating physical random access channel parameter in a time division duplex system, suitable for the long term evolution, system, including: the same PRACH configuration set is stored in a base station and a terminal respectively; when performing a PRACH configuration, the terminal inquires the PRACH configuration set according to configuration information to obtain a configuration parameter, and/or the terminal computes to obtain the configuration parameter according to a system parameter. Set by using the method provided by the present invention, the PRACH configuration set can provide enough density types for various PRACH formats in order to meet the requirements of different system loads, and meanwhile can provide enough version types for each combination of format and density, decrease the processing load of the base station, and reduce the inter-cell interference.

摘要翻译： 本发明公开了一种在时分双工系统中配置和指示物理随机接入信道参数的方法，适用于长期演进系统，包括：相同的PRACH配置集分别存储在基站和终端中; 当执行PRACH配置时，终端根据配置信息查询PRACH配置集，获取配置参数，和/或终端根据系统参数进行计算，获得配置参数。 通过使用本发明提供的方法设置，PRACH配置集可以为各种PRACH格式提供足够的密度类型，以满足不同系统负载的要求，同时可以为每种格式和密度的组合提供足够的版本类型， 降低基站的处理负荷，减少小区间干扰。

公开(公告)号：US20110019752A1

公开(公告)日：2011-01-27

申请号：US12922845

申请日：2009-02-12

申请人： Peng Hao ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai ,  Bin Yu

发明人： Peng Hao ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai ,  Bin Yu

IPC分类号： H04L27/00

CPC分类号： H04W74/0866 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0073

摘要： A method for mapping physical random access channel (PRACHs) is provided in the present invention, wherein W PRACHs have the same time domain location and the serial number of each PRACH is w=0, 1, 2, . . . , W−1. The method includes: mapping the PRACHs with the odd w numbers from high frequency to low frequency, or from low frequency to high frequency in a usable frequency band, mapping the PRACHs with the even w numbers from low frequency to high frequency, or from high frequency to low frequency in the usable frequency band. One PRACH occupies 6 continuous resource blocks in the frequency domain, and the frequency bands occupied by the two adjacent PRACHs in the frequency domain do not overlap, furthermore the same mapping process is used for each version number r. The PRACHs which need to be processed by the same station could be distributed evenly in the time domain, and at the same time the inter-cell interference of the second type PRACH could be reduced to the greatest extent through the present invention.

摘要翻译： 在本发明中提供了一种用于映射物理随机接入信道（PRACH）的方法，其中W个PRACH具有相同的时域位置，并且每个PRACH的序列号为w = 0,1,2。 。 。 ，W-1。 该方法包括：在可用频带中将来自高频到低频或从低频到高频的奇数w编号的PRACH映射到具有均匀w数的低频到高频或高频的PRACH 频率到可用频带的低频。 一个PRACH在频域中占据6个连续的资源块，并且频域中两个相邻的PRACH所占据的频带不重叠，而且每个版本号r使用相同的映射处理。 需要由同一台站处理的PRACH可以在时域上均匀分配，同时通过本发明可以最大程度地减少第二类PRACH的小区间干扰。

公开(公告)号：US20110007825A1

公开(公告)日：2011-01-13

申请号：US12812463

申请日：2008-12-30

申请人： Peng Hao ,  Bin Yu ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang

发明人： Peng Hao ,  Bin Yu ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang

IPC分类号： H04L27/00

CPC分类号： H04J13/14 ,  H04J13/0062 ,  H04J13/22 ,  H04W74/00

摘要： A Method for generation of Ncs set and a method for generation of random access preamble are disclosed. The method for generation of Ncs set comprises the following steps: determine an upper limit value Ncs_max of Ncs according to a maximum cell radius value which is required to be supported by a random access channel RACH, and select Ncs values which are less than or equal to the Ncs_max to be elements of an initial Ncs set; calculate a root sequence number Nr corresponding to each element in the initial Ncs set according to formula Nr=┌M/└Npre/Ncs┘┐; and delete elements in the initial Ncs set which have the same Nr value with other elements so as to generate a screening Ncs set in which each element has a different Nr value; if N, the number of the elements in the screening Ncs set, is greater than P, the number of maximum Ncs supported by the system, then delete N−P elements from the set so as to generate a final Ncs set; else regard the screening Ncs set as the final Ncs set; wherein, M is a preamble number required by each cell, and Npre is the length of preamble sequence.

摘要翻译： 公开了一种用于生成Ncs集的方法和用于生成随机接入前导码的方法。 用于生成Ncs集的方法包括以下步骤：根据需要由随机接入信道RACH支持的最大小区半径值确定Ncs的上限值Ncs_max，并选择小于或等于Ncs的Ncs个值 Ncs_max为初始Ncs集合的元素; 计算设定的根据式NR =┌M/└Npre/Ncs┘┐对应于初始的Ncs每个元素的根序列号NR; 并删除与其他元素具有相同Nr值的初始Ncs集合中的元素，以生成其中每个元素具有不同Nr值的筛选Ncs集合; 如果N，屏蔽Ncs设置的元素数大于P，系统支持的最大Ncs个数，则从集合中删除N-P个元素，以生成最终的Ncs集合; 否则将Ncs设置为最终Ncs集; 其中，M是每个小区所需的前导码，Npre是前导序列的长度。

公开(公告)号：US20110002401A1

公开(公告)日：2011-01-06

申请号：US12812369

申请日：2008-12-02

申请人： Peng Hao ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang ,  Bin Yu

发明人： Peng Hao ,  Shuqiang Xia ,  Bo Dai ,  Chunli Liang ,  Bin Yu

IPC分类号： H04L27/00

CPC分类号： H04W74/002

摘要： A method and an apparatus for constructing a random access channel of a wireless communication system, in which the method includes the following steps: setting a length of a preamble; setting a length of a cyclic prefix according to the length of the preamble; and setting a random access channel structure consisting of the preamble and the cyclic prefix. The random access channel designed by the method can be flexibly set to transmit in the UpPTS, and can satisfy the demand of a small coverage scenario in a better manner.

摘要翻译： 一种用于构建无线通信系统的随机接入信道的方法和装置，其中该方法包括以下步骤：设置前同步码的长度; 根据前导码的长度设置循环前缀的长度; 并设置由前导码和循环前缀组成的随机接入信道结构。 通过该方法设计的随机接入信道可以灵活设置为在UpPTS中传输，可以更好地满足小覆盖情况的需求。

公开(公告)号：US20100290376A1

公开(公告)日：2010-11-18

申请号：US12811520

申请日：2008-12-04

申请人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang

发明人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang

IPC分类号： H04J3/06 ,  H04L5/14 ,  H04J1/00

CPC分类号： H04L5/0053 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/14 ,  H04W72/14

摘要： A method for sending physical downlink control channel (PDCCH) signals in downlink pilot time slots (DwPTS) comprises: a base station (BS) transmits the PDCCH signals on one or more symbols in the DwPTS, and resources used for transmitting the PDCCH signals are different from resources used for transmitting primary synchronization signals of synchronization signals. In the present invention, the method for sending the PDCCH signals can solve the problem of conflict between the PDCCH and the primary synchronization signals in the DwPTS by generating a less delay and less impact on other channels.

摘要翻译： 一种用于在下行链路导频时隙（DwPTS）中发送物理下行链路控制信道（PDCCH）信号的方法包括：基站（BS）在DwPTS中的一个或多个符号上发送PDCCH信号，并且用于发送PDCCH信号的资源是 与用于发送同步信号的主同步信号的资源不同。 在本发明中，用于发送PDCCH信号的方法可以通过产生较少的延迟和对其他信道的影响来解决DwPTS中的PDCCH与主同步信号之间的冲突的问题。

公开(公告)号：US20100278081A1

公开(公告)日：2010-11-04

申请号：US12811706

申请日：2008-11-06

申请人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang

发明人： Bo Dai ,  Shuqiang Xia ,  Peng Hao ,  Chunli Liang

IPC分类号： H04J3/06

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/1469 ,  H04L27/2613 ,  H04L27/2655

摘要： The present invention discloses a method and apparatus of sending synchronization signals in TDD systems. The method includes: sending P-SCH signals of synchronization signals on the third symbol of a DwPTS; sending S-SCH signals of the synchronization signals on the last OFDM symbols of time slot 1 and time slot 11. The present invention solves the problem that the P-SCH signal sending interferes with the pilot sending of the first and second antenna in the prior art, guarantees that the location of the pilot in the DwPTS does not change, and reduces the system complexity.

摘要翻译： 本发明公开了一种在TDD系统中发送同步信号的方法和装置。 该方法包括：在DwPTS的第三符号上发送同步信号的P-SCH信号; 在时隙1和时隙11的最后OFDM符号上发送同步信号的S-SCH信号。本发明解决了P-SCH信号发送干扰在先前的第一和第二天线的导频发送的问题 保证DwPTS中飞行员的位置不变，降低系统复杂度。

公开(公告)号：US20100260080A1

公开(公告)日：2010-10-14

申请号：US12808309

申请日：2009-01-16

申请人： Peng Hao ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai ,  Bin Yu

发明人： Peng Hao ,  Shuqiang Xia ,  Chunli Liang ,  Bo Dai ,  Bin Yu

IPC分类号： H04W72/12 ,  H04L5/14

CPC分类号： H04J3/1694 ,  H04L5/0053 ,  H04L5/0062 ,  H04L5/1469 ,  H04L27/2602 ,  H04L27/2607 ,  H04W74/002 ,  H04W74/0866

摘要： A transmitting method of a signal on a random access channel in a wireless communication system, comprises the steps that: a terminal transmits a preamble on the random access channel with a set time length ahead of the end position of an uplink pilot time slot, and the length of the preamble is the length of two symbols without a cyclic prefix. Another transmitting method of a signal on a random access channel in a wireless communication system, comprises the steps that: a terminal transmits a cyclic prefix and a preamble on the random access channel with a set time length ahead of the end position of an uplink pilot time slot, and the length of the preamble is the length of two symbols without a cyclic prefix. The methods can avoid the interference of the preamble to the data of the uplink subframe, and can improve the coverage area of the random access channel and the work efficiency of the time division duplex system.

摘要翻译： 一种无线通信系统中的随机接入信道上的信号的发送方法，包括以下步骤：终端以上行导频时隙的结束位置之前的设定时间长度在所述随机接入信道上发送前导码，以及 前导码的长度是没有循环前缀的两个符号的长度。 在无线通信系统中的随机接入信道上的信号的另一发送方法包括以下步骤：终端在上行导频的结束位置之前的设定时间长度的随机接入信道上发送循环前缀和前导码 时隙，并且前导码的长度是没有循环前缀的两个符号的长度。 该方法可以避免前同步码对上行子帧数据的干扰，可以提高随机接入信道的覆盖面积和时分双工系统的工作效率。