Method and apparatus of controlling uplink power for multi-cell cooperative system
    92.
    发明授权
    Method and apparatus of controlling uplink power for multi-cell cooperative system 失效
    多小区协同系统控制上行功率的方法和装置

    公开(公告)号:US08706152B2

    公开(公告)日:2014-04-22

    申请号:US13119260

    申请日:2009-09-08

    IPC分类号: H04B7/00

    摘要: A method and apparatus of controlling uplink transmit power is provided. An estimated path-loss value for each of downlink signals from a control base station and one or more neighboring base stations is calculated. A signal path-loss value by using the calculated plurality of estimated path-loss values is obtained. An open-loop power control parameter by using the signal path-loss value is obtained. Uplink power can be controlled by considering cooperative communication of a plurality of base stations in a multi-cell cooperative radio communication system.

    摘要翻译: 提供了一种控制上行链路发射功率的方法和装置。 计算来自控制基站和一个或多个相邻基站的每个下行链路信号的估计路径损耗值。 获得通过使用所计算的多个估计路径损耗值的信号路径损耗值。 获得通过使用信号路径损耗值的开环功率控制参数。 可以通过考虑多小区协作无线电通信系统中的多个基站的协作通信来控制上行链路功率。

    Method and apparatus for mode switching between a multi-cell coordinated communication mode and a single-cell MIMO communication mode
    93.
    发明授权
    Method and apparatus for mode switching between a multi-cell coordinated communication mode and a single-cell MIMO communication mode 失效
    用于多小区协调通信模式和单小区MIMO通信模式之间的模式切换的方法和装置

    公开(公告)号:US08665817B2

    公开(公告)日:2014-03-04

    申请号:US13497248

    申请日:2010-10-05

    IPC分类号: H04W4/00

    摘要: The present invention relates to a wireless communication system, and more particularly, discloses a method and an apparatus for mode switching between a multi-cell coordinated communication mode and a single-cell MIMO communication mode. A method for dynamically switching a communication mode according to one embodiment of the present invention comprises: a step of generating and transmitting first feedback information in accordance with a first communication mode; a step of switching the first communication mode into a second communication mode interlocked with the first communication mode; and a step of generating and transmitting second feedback information in accordance with the second communication mode. The first communication mode is one of a multi-cell coordinated multi-point (CoMP) communication mode and a single-cell multi-input multi-output (MIMO) communication mode, and the second communication mode is the other of the multi-cell coordinated multi-point (CoMP) communication mode and the single-cell multi-input multi-output (MIMO) communication mode. The switching step can be performed without signaling from a base station.

    摘要翻译: 无线通信系统技术领域本发明涉及一种无线通信系统,更具体地说,涉及一种在多小区协调通信模式与单小区MIMO通信模式之间切换模式的方法和装置。 根据本发明的一个实施例的用于动态切换通信模式的方法包括:根据第一通信模式生成和发送第一反馈信息的步骤; 将第一通信模式切换成与第一通信模式互锁的第二通信模式的步骤; 以及根据第二通信模式生成和发送第二反馈信息的步骤。 第一通信模式是多小区协调多点(CoMP)通信模式和单小区多输入多输出(MIMO)通信模式之一,第二通信模式是多小区多点 协调多点(CoMP)通信模式和单小区多输入多输出(MIMO)通信模式。 可以在没有来自基站的信令的情况下执行切换步骤。

    Method and apparatus for transmitting signal in wireless communication system
    94.
    发明授权
    Method and apparatus for transmitting signal in wireless communication system 有权
    用于在无线通信系统中发送信号的方法和装置

    公开(公告)号:US08582419B2

    公开(公告)日:2013-11-12

    申请号:US13133144

    申请日:2009-12-28

    IPC分类号: H04J11/00

    摘要: A method of transmitting a signal of a base station in a wireless communication system is provided. The method includes transmitting a first signal to the relay station through the transmission period in a subframe including a transmission period and a guard time for transmission/reception switching of a relay station, and transmitting a second signal to a macro user equipment through the guard time. Accordingly, a signal can be effectively transmitted in the wireless communication system employing the relay station.

    摘要翻译: 提供了一种在无线通信系统中发送基站的信号的方法。 该方法包括:在包括发送周期的发送周期的发送期间向中继站发送第一信号,以及用于中继站的发送/接收切换的保护时间,并通过保护时间向宏用户设备发送第二信号 。 因此,可以在采用中继站的无线通信系统中有效地发送信号。

    METHOD FOR TRANSMITTING SIGNALS IN A COMMUNICATION SYSTEM INCLUDING A RELAY STATION
    95.
    发明申请
    METHOD FOR TRANSMITTING SIGNALS IN A COMMUNICATION SYSTEM INCLUDING A RELAY STATION 有权
    用于在包括继电器站的通信系统中发送信号的方法

    公开(公告)号:US20130163509A1

    公开(公告)日:2013-06-27

    申请号:US13820422

    申请日:2011-08-23

    IPC分类号: H04W88/04

    摘要: Provided is a method for transmitting signals in a relay station. In detail, the method for transmitting signals in a relay station of a wireless communication system using a plurality of subframes including a plurality of OFDM symbols or SC-FDMA symbols comprises the steps of: receiving bitmap information on a backhaul downlink subframe from the relay station; obtaining control information on a subframe that is not used for a backhaul downlink; and repeatedly transmitting channel state information to the relay station on the basis of a virtual index indicating only a backhaul uplink subframe, wherein the backhaul uplink subframe is determined according to the control information and the bitmap information.

    摘要翻译: 提供了一种用于在中继站中发送信号的方法。 详细地说,在使用包括多个OFDM符号或SC-FDMA符号的多个子帧的无线通信系统的中继站中发送信号的方法包括以下步骤:从中继站接收回程下行子帧的位图信息 ; 获取关于不用于回程下行链路的子帧的控制信息; 并且根据仅指示回程上行链路子帧的虚拟索引,向中继站重复发送信道状态信息,其中根据控制信息和位图信息来确定回程上行链路子帧。

    METHOD FOR TRANSMITTING A SIGNAL RELATED TO A CHANGE IN TRANSMISSION FORMAT
    96.
    发明申请
    METHOD FOR TRANSMITTING A SIGNAL RELATED TO A CHANGE IN TRANSMISSION FORMAT 有权
    用于传输与传输格式变化相关的信号的方法

    公开(公告)号:US20130142111A1

    公开(公告)日:2013-06-06

    申请号:US13817788

    申请日:2011-08-19

    IPC分类号: H04W76/04

    摘要: Provided is a method of transmitting a signal related to a change in a transmission format. In a wireless communication system which uses an orthogonal frequency division multiplexing (OFDM) symbol or a single carrier-frequency division multiple access (SC-FDMA) symbol, the method includes: transmitting, from a base station to a receiver, a radio resource control (RRC) message indicating that a first transmission format is changed to a second transmission format; and if an acknowledgement (ACK) message for the RRC message is not received, repetitively transmitting the RRC message, from the base station to the receiver, together with data based on the first transmission format or data based on the second transmission format, wherein the data based on the first transmission format and the data based on the second transmission format transmitted together with the RRC message are alternately selected.

    摘要翻译: 提供了传输与传输格式的改变有关的信号的方法。 在使用正交频分复用(OFDM)符号或单载波频分多址(SC-FDMA)符号的无线通信系统中,该方法包括:从基站向接收机发送无线电资源控制 (RRC)消息,指示第一传输格式被改变为第二传输格式; 并且如果没有接收到用于RRC消息的确认(ACK)消息,则基于基于第二传输格式的基于第一传输格式或数据的数据,从基站重复发送RRC消息,其中, 交替地选择基于第一传输格式的数据和基于与RRC消息一起发送的第二传输格式的数据。

    Method and apparatus of scheduling in multi-cell cooperative wireless communication system
    97.
    发明授权
    Method and apparatus of scheduling in multi-cell cooperative wireless communication system 有权
    多小区协同无线通信系统中的调度方法和装置

    公开(公告)号:US08380215B2

    公开(公告)日:2013-02-19

    申请号:US13125969

    申请日:2009-12-03

    IPC分类号: H04W72/00

    摘要: A method and an apparatus of scheduling in a multi-cell cooperative wireless communication system is provided. Scheduling is performed, and scheduling results are transmitted to a neighbor base station (BS). The scheduling results comprise certain information for scheduling to be sequentially performed among base stations. Inter-cell interference can be reduced and scheduling can be performed simply by exchanging signals without a central scheduler.

    摘要翻译: 提供了一种在多小区协作无线通信系统中进行调度的方法和装置。 执行调度,并将调度结果发送到相邻基站(BS)。 调度结果包括用于在基站之间顺序执行的调度的某些信息。 可以减少小区间干扰,并且可以简单地通过在没有中央调度器的情况下交换信号来执行调度。

    METHOD OF TRANSCEIVING SIGNAL AT RELAY NODE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREOF
    98.
    发明申请
    METHOD OF TRANSCEIVING SIGNAL AT RELAY NODE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREOF 有权
    无线通信系统中继电器信号收发信号的方法及装置

    公开(公告)号:US20130010676A1

    公开(公告)日:2013-01-10

    申请号:US13577140

    申请日:2011-03-10

    IPC分类号: H04W88/04

    CPC分类号: H04B7/155

    摘要: A method for allowing a relay node (RN) to transmit and receive in a wireless communication system is disclosed. A method for transmitting and receiving a signal at a relay node in a wireless communication system includes transmitting and receiving a relay-User Equipment (UE) link signal through an access subframe, switching a communication link from a relay-UE link to a relay-base station (BS) link during a predetermined time, and transmitting and receiving a relay?BS link signal through a backhaul subframe. A timing edge of the access subframe is located ahead of a timing edge of an uplink subframe of the backhaul subframe by an offset value.

    摘要翻译: 公开了一种允许中继节点(RN)在无线通信系统中发送和接收的方法。 一种用于在无线通信系统中的中继节点处发送和接收信号的方法包括通过接入子帧发送和接收中继用户设备(UE)链路信号,将通信链路从中继UE链路切换到中继 - 基站(BS)链路,以及通过回程子帧发送和接收中继→BS链路信号。 接入子帧的定时边缘位于回程子帧的上行链路子帧的定时边缘之前偏移值。

    METHOD FOR PROCESSING DEGRADATION OF RADIO LINK QUALITY IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING RELAYS
    99.
    发明申请
    METHOD FOR PROCESSING DEGRADATION OF RADIO LINK QUALITY IN A WIRELESS COMMUNICATION SYSTEM SUPPORTING RELAYS 有权
    在无线通信系统中处理无线链路质量降低的方法支持中继

    公开(公告)号:US20120327801A1

    公开(公告)日:2012-12-27

    申请号:US13582527

    申请日:2011-03-10

    IPC分类号: H04W24/04 H04W52/02

    摘要: A method and apparatus for processing degradation of radio link quality in a wireless communication system supporting relays are disclosed. The method includes determining quality of a radio link between the first node and the communication apparatus, recovering the radio link between the first node and the communication apparatus, when the quality of the radio link between the first node and the communication apparatus is decreased to or below a predetermined threshold, and transmitting to the second node a signaling to control communication on a radio link between the second node and the communication apparatus, when the quality of the radio link between the first node and the communication apparatus is decreased to or below the predetermined threshold.

    摘要翻译: 公开了一种用于处理支持中继的无线通信系统中的无线链路质量下降的方法和装置。 所述方法包括:当所述第一节点和所述通信装置之间的无线电链路的质量降低到或者减小时,确定所述第一节点和所述通信装置之间的无线电链路的质量,恢复所述第一节点和所述通信装置之间的无线电链路, 低于预定阈值,并且当第一节点和通信装置之间的无线电链路的质量降低到或低于第一节点和通信装置之间时,向第二节点发送用于控制第二节点和通信装置之间的无线电链路上的通信的信令 预定阈值。

    BACKHAUL DOWNLINK SIGNAL DECODING METHOD OF RELAY STATION AND RELAY STATION USING SAME
    100.
    发明申请
    BACKHAUL DOWNLINK SIGNAL DECODING METHOD OF RELAY STATION AND RELAY STATION USING SAME 有权
    使用相同的继电器和继电器站的Backhaul下行信号解码方法

    公开(公告)号:US20120207084A1

    公开(公告)日:2012-08-16

    申请号:US13503740

    申请日:2010-10-22

    IPC分类号: H04W72/06 H04B7/14

    摘要: A method of decoding a backhaul downlink signal of a relay station is provided. The method includes: receiving by the relay station a transmission rank value for a backhaul downlink from a base station through a high-layer signal; receiving control information from the base station through a control region; and decoding the control information, wherein the transmission rank value for the backhaul downlink is a transmission rank value assumed when the relay station decodes the control information, and wherein the control information is mapped to a resource element which does not overlap with a dedicated reference signal resource element mapped to the control region by assuming the transmission rank value for the backhaul downlink.

    摘要翻译: 提供了对中继站的回程下行链路信号进行解码的方法。 该方法包括:中继站通过高层信号从基站接收回程下行链路的传输秩值; 通过控制区域从基站接收控制信息; 并且对所述控制信息进行解码,其中,所述回程下行链路的发送等级值是当所述中继站对所述控制信息进行解码时假设的发送等级值,并且其中所述控制信息被映射到不与专用参考信号重叠的资源元素 资源元素通过假设回程下行链路的传输秩值映射到控制区域。