公开(公告)号：US09014179B2

公开(公告)日：2015-04-21

申请号：US13701405

申请日：2011-09-06

申请人： Xiaojiao Li ,  Jianfei Zhang ,  Shiqiang Suo ,  Bo Han

发明人： Xiaojiao Li ,  Jianfei Zhang ,  Shiqiang Suo ,  Bo Han

IPC分类号： H04L12/50 ,  H04W72/12 ,  H04W72/04

CPC分类号： H04W72/1273 ,  H04B7/0452 ,  H04L5/0003 ,  H04L5/0053 ,  H04W28/06 ,  H04W72/04 ,  H04W72/046 ,  H04W74/00

摘要： The present invention relates to the field of communications, and provides a communication method using spatial division multiple access (SDMA), to optimize an existing spatial division multiplexing mechanism. The method comprises: for each channel including a service channel and a control channel, according to a service information amount and/or a control information amount of the channel and a decision threshold corresponding to the channel, determining whether to activate SDMA for the channel; according to a decision result for a remote radio unit (RRU) to which each user belongs, allocating resources in an SDMA manner for the channel with the SDMA activated, and sending data of each user on the channel only on the RRU to which the user belongs; for a channel with the SDMA not activated, sending all data on the channel on all RRUs. The present invention is applicable to the spatial division multiplexing of various physical channels and physical signals specified by the standards of LTE and LTE-A systems, and can further improve utilization of resources in the system, the throughput of the system, and the data transmission rate.

摘要翻译： 本发明涉及通信领域，并且提供了一种使用空分多址（SDMA）的通信方法，以优化现有的空分复用机制。 该方法包括：对于包括业务信道和控制信道的每个信道，根据信道的业务信息量和/或控制信息量以及对应于该信道的判定阈值，确定是否激活该信道的SDMA; 根据每个用户所属的远程无线电单元（RRU）的决定结果，以SDMA的方式分配SDMA激活的信道的信道，并且在该信道上的每个用户的数据上仅在用户所在的RRU上发送数据 属于 对于SDMA未激活的频道，在所有RRU上的频道上发送所有数据。 本发明适用于LTE和LTE-A系统标准规定的各种物理信道和物理信号的空分复用，可进一步提高系统资源利用率，系统吞吐量和数据传输 率。

公开(公告)号：US20130070722A1

公开(公告)日：2013-03-21

申请号：US13701405

申请日：2011-09-06

申请人： Xiaojiao Li ,  Jianfei Zhang ,  Shiqiang Suo ,  Bo Han

发明人： Xiaojiao Li ,  Jianfei Zhang ,  Shiqiang Suo ,  Bo Han

IPC分类号： H04W72/12

CPC分类号： H04W72/1273 ,  H04B7/0452 ,  H04L5/0003 ,  H04L5/0053 ,  H04W28/06 ,  H04W72/04 ,  H04W72/046 ,  H04W74/00

摘要： The present invention relates to the field of communications, and provides a communication method using spatial division multiple access (SDMA), to optimize an existing spatial division multiplexing mechanism. The method comprises: for each channel including a service channel and a control channel, according to a service information amount and/or a control information amount of the channel and a decision threshold corresponding to the channel, determining whether to activate SDMA for the channel; according to a decision result for a remote radio unit (RRU) to which each user belongs, allocating resources in an SDMA manner for the channel with the SDMA activated, and sending data of each user on the channel only on the RRU to which the user belongs; for a channel with the SDMA not activated, sending all data on the channel on all RRUs. The present invention is applicable to the spatial division multiplexing of various physical channels and physical signals specified by the standards of LTE and LTE-A systems, and can further improve utilization of resources in the system, the throughput of the system, and the data transmission rate.

摘要翻译： 本发明涉及通信领域，并且提供了一种使用空分多址（SDMA）的通信方法，以优化现有的空分复用机制。 该方法包括：对于包括业务信道和控制信道的每个信道，根据信道的业务信息量和/或控制信息量以及对应于该信道的判定阈值，确定是否激活该信道的SDMA; 根据每个用户所属的远程无线电单元（RRU）的决定结果，以SDMA的方式分配SDMA激活的信道的信道，并且在该信道上的每个用户的数据上仅在用户所在的RRU上发送数据 属于 对于SDMA未激活的频道，在所有RRU上的频道上发送所有数据。 本发明适用于LTE和LTE-A系统标准规定的各种物理信道和物理信号的空分复用，可进一步提高系统资源利用率，系统吞吐量和数据传输 率。

公开(公告)号：US20130070635A1

公开(公告)日：2013-03-21

申请号：US13700985

申请日：2011-07-19

申请人： Shiqiang Suo ,  Bo Han ,  Zhuo Gao

发明人： Shiqiang Suo ,  Bo Han ,  Zhuo Gao

IPC分类号： H04W52/02

CPC分类号： H04W52/0206 ,  H04W72/005 ,  H04W88/085 ,  Y02D70/1262 ,  Y02D70/25

摘要： A method for achieving energy-saving in a mobile communication system base station, for application in an LTE system, comprises the steps of: determining the average value of a downlink sub-frame traffic load; determining, when the average value of the downlink sub-frame traffic load is below a threshold value therefor, an MBSFN downlink sub-frame which is not carrying multicast traffic; and closing the radio frequency channel corresponding to the multicast symbol in the MBSFN downlink sub-frame which is not carrying multicast traffic. By using the method in the embodiments of the present invention, the number of downlink sub-frames required to meet the communication traffic needs of a current cell is judged according to changes in the traffic load observed by measuring the traffic load values in that cell; sub-frames which can be closed are set as MBSFN downlink sub-frames which do not send multicast traffic; radio frequency channels occupied by the multicast symbol are closed, thereby achieving the object of reducing energy consumption.

摘要翻译： 一种用于在LTE系统中应用的用于实现移动通信系统基站中的节能的方法，包括以下步骤：确定下行链路子帧业务负载的平均值; 当下行链路子帧业务负载的平均值低于其阈值时，确定不携带多播业务的MBSFN下行链路子帧; 并且在不携带组播业务的MBSFN下行链路子帧中关闭对应于多播符号的射频信道。 通过使用本发明实施例中的方法，根据通过测量该小区中的业务负载值观测到的业务负载的变化来判断满足当前小区的通信业务需求所需的下行链路子帧的数量; 可以关闭的子帧被设置为不发送多播业务的MBSFN下行链路子帧; 组播符号占用的射频信道被关闭，从而实现降低能耗的目的。

公开(公告)号：US09014095B2

公开(公告)日：2015-04-21

申请号：US13700985

申请日：2011-07-19

申请人： Shiqiang Suo ,  Bo Han ,  Zhuo Gao

发明人： Shiqiang Suo ,  Bo Han ,  Zhuo Gao

IPC分类号： H04W52/02 ,  H04W88/08 ,  H04W72/00

CPC分类号： H04W52/0206 ,  H04W72/005 ,  H04W88/085 ,  Y02D70/1262 ,  Y02D70/25

摘要： A method for achieving energy-saving in a mobile communication system base station, for application in an LTE system, comprising: determining the average value of a downlink sub-frame traffic load; determining, when the average value of the downlink sub-frame traffic load is below a threshold value therefore, an MBSFN downlink sub-frame which is not carrying multicast traffic; and closing the radio frequency channel corresponding to the multicast symbol in the MBSFN downlink sub-frame which is not carrying multicast traffic. By using the method, the number of downlink sub-frames required to meet the communication traffic needs of a current cell is judged according to changes in the traffic load observed by measuring the traffic load values in that cell; sub-frames which can be closed are set as MBSFN downlink sub-frames which do not send multicast traffic; radio frequency channels occupied by the multicast symbol are closed, thereby reducing energy consumption.

摘要翻译： 一种用于在LTE系统中应用的用于实现移动通信系统基站中的节能的方法，包括：确定下行链路子帧业务负载的平均值; 确定当下行链路子帧业务负载的平均值低于阈值时，确定不携带组播业务的MBSFN下行链路子帧; 并且在不携带组播业务的MBSFN下行链路子帧中关闭对应于多播符号的射频信道。 通过使用该方法，根据通过测量该小区中的业务负载值观测到的业务负载的变化来判断满足当前小区的通信业务需求所需的下行链路子帧的数量; 可以关闭的子帧被设置为不发送多播业务的MBSFN下行链路子帧; 组播符号占用的射频信道关闭，从而降低能耗。

公开(公告)号：US08483103B2

公开(公告)日：2013-07-09

申请号：US12740506

申请日：2008-10-30

申请人： Shiqiang Suo ,  Xueming Pan ,  Yingmin Wang ,  Shaohui Sun ,  Yongbin Xie

发明人： Shiqiang Suo ,  Xueming Pan ,  Yingmin Wang ,  Shaohui Sun ,  Yongbin Xie

IPC分类号： H04L5/14

CPC分类号： H04W56/002 ,  H04W56/0075 ,  H04W72/0446 ,  H04W92/24

摘要： A method for determining a data transmission offset includes: synchronizing a first time division duplex TDD system with a second TDD system (a500); determining a transmission timing advance of a user terminal according to a deviation between random access time and desired time of the user equipment during establishing the uplink synchronization of the second TDD system (a501); determining an offset of a time slot of the second TDD system according to a time difference between the time slots of the first TDD system and the second TDD system (a502); and obtaining a data transmission offset of the time slot by adding the determined offset of the time slot to the determined transmission timing advance (a503). A system and a base station for determining a data transmission offset are provided.

摘要翻译： 一种用于确定数据传输偏移的方法包括：使第一时分双工TDD系统与第二TDD系统同步（a500）; 根据在建立第二TDD系统的上行链路同步期间用户设备的随机访问时间与期望时间之间的偏差确定用户终端的传输定时提前（a501）; 根据第一TDD系统和第二TDD系统的时隙之间的时间差来确定第二TDD系统的时隙的偏移量（a502）; 以及通过将所确定的所述时隙的偏移量与所确定的发送定时提前相加来获得所述时隙的数据传输偏移量（a503）。 提供了一种用于确定数据传输偏移的系统和基站。

公开(公告)号：US08457032B2

公开(公告)日：2013-06-04

申请号：US12741020

申请日：2008-10-31

申请人： Shiqiang Suo ,  Guojun Xiao ,  Xueming Pan ,  Shaohui Sun ,  Yingmin Wang

发明人： Shiqiang Suo ,  Guojun Xiao ,  Xueming Pan ,  Shaohui Sun ,  Yingmin Wang

IPC分类号： H04W4/00

CPC分类号： H04W48/12 ,  H04B7/2643 ,  H04L27/2602 ,  H04L27/2605 ,  H04W16/00

摘要： A method for data transmission in a TDD system is disclosed. The method includes: configuring, by a base station, a length respectively for a Downlink Pilot Slot (DwPTS) and an Uplink Pilot Slot (UpPTS) within a special field of a radio half-frame based on a current coverage area taking one Orthogonal Frequency Division Multiplexing (OFDM) symbol as a unit, and issuing a configured result to a user device, wherein a total length of the DwPTS, a Guard Period (GP) slot and the UpPTS is kept to be 1 ms; constructing, by the base station, radio half-frames for data transmission according to the configured result. An apparatus for data transmission in the TDD system is also disclosed. According to the present invention, coverage area of different levels with smaller granularity is supported, radio resources are saved and transmission efficiency is increased.

摘要翻译： 公开了TDD系统中的数据传输方法。 该方法包括：基站采用一个正交频率的当前覆盖区域，分别针对无线电半帧的特殊字段中的下行链路导频时隙（DwPTS）和上行链路导频时隙（UpPTS）分别设置长度 分区复用（OFDM）符号作为一个单元，并且向用户设备发布配置的结果，其中DwPTS的总长度，保护周期（GP）时隙和UpPTS保持为1ms; 根据配置结果，由基站构建用于数据传输的无线电半帧。 还公开了TDD系统中的数据传输装置。 根据本发明，支持具有较小粒度的不同级别的覆盖区域，节省了无线资源，提高了传输效率。

公开(公告)号：US08441999B2

公开(公告)日：2013-05-14

申请号：US13056890

申请日：2009-07-30

申请人： Guojun Xiao ,  Deshan Miao ,  Shiqiang Suo ,  Fei Qin ,  Yu Ding ,  Xueming Pan

发明人： Guojun Xiao ,  Deshan Miao ,  Shiqiang Suo ,  Fei Qin ,  Yu Ding ,  Xueming Pan

IPC分类号： H04W4/00

CPC分类号： H04W72/042 ,  H04L1/0003 ,  H04L1/0007 ,  H04L1/0013 ,  H04L1/0025 ,  H04L5/0007 ,  H04L5/003

摘要： An adaptive modulation and coding method is provided by the present invention, comprising: selecting punctured Physical Resource Blocks (PRBs) to transmit the downlink data for the User Equipment (UE); determining the Transport Block Size (TBS) and the number of punctured PRB pairs for transmission to the UE based on the carried service; scheduling the downlink data for the UE based on the determined TBS, and transmitting the number of the used punctured PRB pairs and a Modulation and Coding Scheme (MCS) sequence number to the UE; and the UE converting the number of the punctured PRB pairs to the number of normal PRB pairs, determining the modulation scheme and the TBS sequence number based on the MCS sequence number, and determining the TBS of the downlink data based on the number of the normal PRB pairs and the TBS sequence number. The specific condition when downlink data are transmitted with punctured PRBs may be performed in the present invention on the basis of utilizing the existing resources and adaptive processing of the general subframes by performing conversion between the number of punctured PRBs and the number of normal PRBs in scheduling resource for the UE with the NodeB, which may be implemented simply and efficiently.

摘要翻译： 本发明提出了一种自适应调制编码方法，包括：选择穿孔物理资源块（PRB），发送用户设备（UE）的下行链路数据; 基于所携带的服务确定传输块大小（TBS）和用于传输到UE的穿孔PRB对的数量; 基于确定的TBS调度UE的下行链路数据，并向UE发送所使用的穿孔PRB对的数量和调制和编码方案（MCS）序列号; 所述UE将所述穿孔PRB对的数量转换为正常PRB对的数量，基于所述MCS序列号确定所述调制方式和所述TBS序列号，并且基于所述正常PRB对的数量来确定所述下行链路数据的TBS PRB对和TBS序列号。 可以在本发明中，通过利用现有资源和一般子帧的自适应处理，通过在调度中进行穿孔PRB的数量与正常PRB的数量之间的转换，来执行下行链路数据与穿孔PRB一起发送的具体条件 用于具有NodeB的UE的资源，其可以被简单且有效地实现。

公开(公告)号：US08416885B2

公开(公告)日：2013-04-09

申请号：US12742123

申请日：2008-11-10

申请人： Shiqiang Suo ,  Yingmin Wang ,  Wengang Li

发明人： Shiqiang Suo ,  Yingmin Wang ,  Wengang Li

IPC分类号： H04L27/00

CPC分类号： H04B7/12 ,  H04B7/0617 ,  H04B7/068 ,  H04B7/10 ,  H04L5/0044 ,  H04L5/0048

摘要： A method for data transmission is disclosed. The method includes: performing, by a system, resource element mapping on modulation symbols which include data to be transmitted and reference signals and which are allocated to antenna ports of a designated type; performing antenna port mapping on the modulation symbols which are through the resource element mapping; and generating Orthogonal Frequency Division Multiplexing (OFDM) signals based on the modulation symbols which are through the antenna port mapping and transmitting the OFDM signals via physical antennas. The present invention also discloses an apparatus for data transmission. In the method and apparatus provided by the present invention, through establishing a mapping relationship between physical antenna elements and antenna ports, beamforming weights are added to modulation symbols of users at the same time. Thus, beamforming operation of the users is implemented. Accordingly, the system may support flexible beamforming transmission on frequency-domain, which greatly improves the flexibility of data transmission of the system.

摘要翻译： 公开了一种用于数据传输的方法。 该方法包括：通过系统对包括要发送的数据和参考信号的调制符号进行资源元素映射，并将其分配给指定类型的天线端口; 对通过资源元素映射的调制符号执行天线端口映射; 以及基于通过天线端口映射并通过物理天线发送OFDM信号的调制符号来生成正交频分复用（OFDM）信号。 本发明还公开了一种用于数据传输的装置。 在本发明提供的方法和装置中，通过建立物理天线元件和天线端口之间的映射关系，波束成形权重被同时添加到用户的调制符号。 因此，实现了用户的波束成形操作。 因此，该系统可以在频域上支持灵活的波束成形传输，这大大提高了系统的数据传输的灵活性。

公开(公告)号：US20110122837A1

公开(公告)日：2011-05-26

申请号：US12995060

申请日：2009-05-26

申请人： Yanan Lin ,  Shiqiang Suo ,  Yu Ding ,  Guojun Xiao

发明人： Yanan Lin ,  Shiqiang Suo ,  Yu Ding ,  Guojun Xiao

IPC分类号： H04W72/04

CPC分类号： H04B7/0617

摘要： The present invention discloses a method for beam forming transmission, comprising the following steps: the eNB mapping the downlink data of the user and the UE-specific reference signals carried in the DwPTS Field for beam forming transmission according to the preset mapping structure, and performing the beam forming process; the eNB performing the resource mapping on results of the beam forming process result, primary synchronization signal, control signaling, Cell specific reference signal and other user data to form the DwPTS Field data; and the eNB sending the DwPTS Field data to the UE. The present invention further discloses a system and a corresponding device for beam forming transmission. The present invention can realize beam forming transmission in the Special Field DwPTS and improve the performance of the system without introducing a new user UE-specific reference signal mapping structure, which is simple to be realized.

摘要翻译： 本发明公开了一种用于波束形成传输的方法，包括以下步骤：eNB根据预设映射结构映射用​​户的下行数据和用于波束形成传输的DwPTS字段中携带的UE专用参考信号，并执行 梁形成过程; eNB对波束形成处理结果，主同步信号，控制信令，小区特定参考信号和其他用户数据的结果执行资源映射以形成DwPTS字段数据; 并且eNB向UE发送DwPTS字段数据。 本发明还公开了一种用于波束形成传输的系统和相应的装置。 本发明可以实现专用DwPTS中的波束形成传输，提高系统性能，而不引入新的用户特定于UE的参考信号映射结构，简单实现。

公开(公告)号：US20110044181A1

公开(公告)日：2011-02-24

申请号：US12989613

申请日：2009-04-24

申请人： Shiqiang Suo ,  Libo Wang ,  Xueming Pan ,  Yu Ding

发明人： Shiqiang Suo ,  Libo Wang ,  Xueming Pan ,  Yu Ding

IPC分类号： H04L12/26 ,  H04J3/00

CPC分类号： H04W74/004 ,  H04W74/0833

摘要： The present invention discloses a method for processing uplink signal. In this method, when a random access channel of a cell where a user equipment (UE) locates is within an uplink pilot timeslot, the UE determining whether there is a conflict between the random access channel and time-frequency position of an uplink channel quality sounding pilot of the UE; and if there is a conflict, the uplink channel quality sounding pilot will not be transmitted by the UE within the uplink pilot timeslot. The present invention also discloses a system and apparatus for processing uplink signal. By applying the method, system and apparatus of the present invention, the interference to detection performance of the random access channel caused by the uplink channel quality sounding pilot will be avoided, thereby increasing the detection performance of the random access channel.

摘要翻译： 本发明公开了一种处理上行链路信号的方法。 在该方法中，当用户设备（UE）所在的小区的随机接入信道在上行链路导频时隙内时，UE确定随机接入信道与上行链路信道质量的时间 - 频率位置之间是否存在冲突 UE的探测导频; 如果存在冲突，则上行链路导频时隙内的UE不会发送上行信道质量探测导频。 本发明还公开了一种用于处理上行链路信号的系统和装置。 通过应用本发明的方法，系统和装置，将避免由上行信道质量探测导频引起的对随机接入信道的检测性能的干扰，从而增加随机接入信道的检测性能。