Transmission method of downlink reference signal and apparatus thereof
    1.
    发明授权
    Transmission method of downlink reference signal and apparatus thereof 有权
    下行链路参考信号的传输方法及其装置

    公开(公告)号:US08964623B2

    公开(公告)日:2015-02-24

    申请号:US13263334

    申请日:2010-04-12

    IPC分类号: H04W4/00 H04L5/00

    CPC分类号: H04L5/0053

    摘要: The present invention relates to a wireless communication system, and provides a method and an apparatus for transmitting a downlink reference signal in the wireless communication system. The method for enabling a base station to transmit the reference signal to a terminal using layers of 8 or less in accordance with one embodiment of the present invention comprises the steps of: transmitting data for the layers of 8 or less through a data domain of a downlink sub frame; and transmitting a reference signal for the layers of 8 or less on a fixed OFDM symbol of the downlink sub frame, wherein the reference signal is a DRS (Dedicated Reference Signal) which demodulates the data for the layers of 8 or less, and the reference signal for the layers of 8 or less is separated into 1st and 2nd groups, and reference signals of the 1st and 2nd groups can be multiplexed in a CDM (Code Division Multiplexing) method on one resource element, respectively.

    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,提供了一种用于在无线通信系统中发送下行链路参考信号的方法和装置。 根据本发明的一个实施例,使基站能够使用8以下的层将参考信号发送到终端的方法包括以下步骤:通过数据域的数据域传送8或更小层的数据 下行子帧; 并且在下行链路子帧的固定OFDM符号上发射8或更小层的参考信号,其中参考信号是对8或更小层的数据进行解调的DRS(专用参考信号),参考信号 8或更小层的信号分为第1组和第2组,第一组和第二组的参考信号可以分别以一个资源元素的CDM(码分多路复用)方式复用。

    TRANSMISSION METHOD OF DOWNLINK REFERENCE SIGNAL AND APPARATUS THEREOF
    3.
    发明申请
    TRANSMISSION METHOD OF DOWNLINK REFERENCE SIGNAL AND APPARATUS THEREOF 有权
    下行参考信号的传输方法及其设备

    公开(公告)号:US20120039287A1

    公开(公告)日:2012-02-16

    申请号:US13263334

    申请日:2010-04-12

    IPC分类号: H04W72/04

    CPC分类号: H04L5/0053

    摘要: The present invention relates to a wireless communication system, and provides a method and an apparatus for transmitting a downlink reference signal in the wireless communication system. The method for enabling a base station to transmit the reference signal to a terminal using layers of 8 or less in accordance with one embodiment of the present invention comprises the steps of: transmitting data for the layers of 8 or less through a data domain of a downlink sub frame; and transmitting a reference signal for the layers of 8 or less on a fixed OFDM symbol of the downlink sub frame, wherein the reference signal is a DRS (Dedicated Reference Signal) which demodulates the data for the layers of 8 or less, and the reference signal for the layers of 8 or less is separated into 1st and 2nd groups, and reference signals of the 1st and 2nd groups can be multiplexed in a CDM (Code Division Multiplexing) method on one resource element, respectively.

    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,提供了一种用于在无线通信系统中发送下行链路参考信号的方法和装置。 根据本发明的一个实施例,使基站能够使用8以下的层将参考信号发送到终端的方法包括以下步骤:通过数据域的数据域传送8或更小层的数据 下行子帧; 并且在下行链路子帧的固定OFDM符号上发射8或更小层的参考信号,其中参考信号是对8或更小层的数据进行解调的DRS(专用参考信号),参考信号 8或更小层的信号分为第1组和第2组,第一组和第二组的参考信号可以分别以一个资源元素的CDM(码分多路复用)方式复用。

    Method of performing feedback for multicast and broadcast service
    5.
    发明授权
    Method of performing feedback for multicast and broadcast service 有权
    对组播和广播业务进行反馈的方法

    公开(公告)号:US08417273B2

    公开(公告)日:2013-04-09

    申请号:US12808952

    申请日:2008-12-17

    IPC分类号: H04W72/04

    摘要: A method of performing a feedback for a multicast and broadcast service (MBS) is disclosed. A Multicast Broadcast Service (MBS) feedback method includes, generating, by a base station contained in a multi-cell multicast broadcast single frequency network (MBSFN) zone, a ranging channel code for a multicast broadcast service (MBS) feedback, allocating the ranging channel code to a mobile station contained in a cell zone of the base station, and receiving the MBS feedback information based on the ranging channel code from the mobile station. So, an adaptive modulation and coding (AMC) is applied to the MBS according to the NACK feedback, such that a throughput of the MBS system increases.

    摘要翻译: 公开了一种对组播和广播业务(MBS)进行反馈的方法。 多播广播服务(MBS)反馈方法包括:由包含在多小区多播广播单频网(MBSFN)区域中的基站生成用于组播广播服务(MBS)反馈的测距信道码,分配测距 向包含在基站的小区区域内的移动站发送信道码,并根据来自移动站的测距信道码接收MBS反馈信息。 因此,根据NACK反馈将自适应调制和编码(AMC)应用于MBS,使得MBS系统的吞吐量增加。

    METHOD OF PERFORMING FEEDBACK FOR MULTICAST AND BROADCAST SERVICE
    8.
    发明申请
    METHOD OF PERFORMING FEEDBACK FOR MULTICAST AND BROADCAST SERVICE 有权
    执行多媒体和广播服务反馈的方法

    公开(公告)号:US20100323737A1

    公开(公告)日:2010-12-23

    申请号:US12808952

    申请日:2008-12-17

    IPC分类号: H04W72/04

    摘要: A method of performing a feedback for a multicast and broadcast service (MBS) is disclosed. A Multicast Broadcast Service (MBS) feedback method includes, generating, by a base station contained in a multi-cell multicast broadcast single frequency network (MBSFN) zone, a ranging channel code for a multicast broadcast service (MBS) feedback, allocating the ranging channel code to a mobile station contained in a cell zone of the base station, and receiving the MBS feedback information based on the ranging channel code from the mobile station. So, an adaptive modulation and coding (AMC) is applied to the MBS according to the NACK feedback, such that a throughput of the MBS system increases.

    摘要翻译: 公开了一种对组播和广播业务(MBS)进行反馈的方法。 多播广播服务(MBS)反馈方法包括:由包含在多小区多播广播单频网(MBSFN)区域中的基站生成用于组播广播服务(MBS)反馈的测距信道码,分配测距 向包含在基站的小区区域内的移动站发送信道码,并根据来自移动站的测距信道码接收MBS反馈信息。 因此,根据NACK反馈将自适应调制和编码(AMC)应用于MBS,使得MBS系统的吞吐量增加。

    Method for transmitting/receiving a comp reference signal
    9.
    发明授权
    Method for transmitting/receiving a comp reference signal 有权
    用于发送/接收comp参考信号的方法

    公开(公告)号:US09014108B2

    公开(公告)日:2015-04-21

    申请号:US13386384

    申请日:2010-07-26

    摘要: Disclosed is a method for transmitting a CoMP reference signal for accurate channel estimation. The CoMP reference signal is a cell-specific reference signal or a CoMP-zone-specific reference signal. A method for transmitting the cell-specific reference signal uses a CoMP set ID or does not apply a frequency shift value, or uses a serving cell ID or a frequency shift value of the serving cell. The cell-specific reference signal is transmitted using a preset resource region. A method for transmitting the CoMP-zone-specific reference signal is configured such that the pattern of the sequence of CoMP reference signals varies in each of the CoMP zones, and the pattern can be set in advance. The reference signal is multiplexed using an orthogonal code and transmitted to plural terminals using the same CoMP zone.

    摘要翻译: 公开了一种用于发送用于准确信道估计的CoMP参考信号的方法。 CoMP参考信号是小区特定参考信号或CoMP特定区域参考信号。 用于发送小区特定参考信号的方法使用CoMP集合ID或不应用频移值,或者使用服务小区的服务小区ID或频移值。 使用预设的资源区域发送小区特定参考信号。 配置用于发送CoMP区专用参考信号的方法被配置为使得CoMP参考信号序列的模式在每个CoMP区域中变化,并且可以预先设置模式。 使用正交码对参考信号进行复用,并使用相同的CoMP区域发送到多个终端。

    Adaptive multiple antenna transmission method and apparatus in accordance with antenna transmission power in a wireless communication system
    10.
    发明授权
    Adaptive multiple antenna transmission method and apparatus in accordance with antenna transmission power in a wireless communication system 有权
    在无线通信系统中根据天线发射功率的自适应多天线传输方法和装置

    公开(公告)号:US08971426B2

    公开(公告)日:2015-03-03

    申请号:US13322139

    申请日:2010-05-24

    摘要: The present invention relates to a wireless communication system, and an adaptive multiple antenna transmission method and apparatus in accordance with antenna transmission power are disclosed. A method of performing multiple antenna transmission from a terminal to a base station according to one embodiment of the present invention may include the steps of: determining a reference value for a transmission power of each of a plurality of transmit antennas of the terminal; grouping the plurality of transmit antennas into a first group of transmit antennas and a second group of transmit antennas in accordance with the determined reference value; and transmitting a signal to the base station through at least one of the first group of the transmit antennas and the second group of transmit antennas.

    摘要翻译: 本发明涉及一种无线通信系统,以及根据天线发射功率的自适应多天线传输方法和装置。 根据本发明的一个实施例,从终端到基站执行多天线传输的方法可以包括以下步骤:确定终端的多个发射天线中的每一个的发射功率的参考值; 根据确定的参考值将多个发射天线分组成第一组发射天线和第二组发射天线; 以及通过所述第一组发射天线和所述第二组发射天线中的至少一个发射信号到所述基站。