Apparatus and method for mapping symbols to resources in a mobile communication system
    111.
    发明授权
    Apparatus and method for mapping symbols to resources in a mobile communication system 有权
    用于将符号映射到移动通信系统中的资源的装置和方法

    公开(公告)号:US08457248B2

    公开(公告)日:2013-06-04

    申请号:US13361330

    申请日:2012-01-30

    IPC分类号: H04L27/00 H04B1/00

    摘要: A method for transmitting data information and control information by a transmitter in a communication system is provided. The method includes identifying an amount of resources to be used for control channel transmission within a predetermined maximum amount of resources available for control channel transmission among total resources of a subframe; mapping control information onto the identified amount of resources to be used for the control channel transmission; mapping data information onto all remaining resources of the subframe, other than the identified resources used for the control channel transmission among the total resources; and transmitting information related to the amount of resources to be used for the control channel transmission, through a predetermined control channel; and transmitting the mapped control information, and the mapped data information.

    摘要翻译: 提供了一种用于在通信系统中由发射机发送数据信息和控制信息的方法。 该方法包括:在子帧的总资源内,在可用于控制信道传输的预定最大资源量内识别用于控制信道传输的资源量; 将控制信息映射到用于控制信道传输的所识别的资源量; 将数据信息映射到除了用于总资源之间的控制信道传输的所识别的资源之外的子帧的所有剩余资源; 并且通过预定控制信道发送与要用于控制信道传输的资源量有关的信息; 并发送映射的控制信息和映射的数据信息。

    Method and apparatus for transmitting and receiving data in an orthogonal frequency multiplexing system
    112.
    发明授权
    Method and apparatus for transmitting and receiving data in an orthogonal frequency multiplexing system 有权
    用于在正交频率复用系统中发送和接收数据的方法和装置

    公开(公告)号:US08259559B2

    公开(公告)日:2012-09-04

    申请号:US12112309

    申请日:2008-04-30

    IPC分类号: H04J11/00

    摘要: A method and apparatus for transmitting and receiving data in an Orthogonal Frequency Division Multiplexing (OFDM) system are provided, in which a Base Station (BS) generates a signal of a broadcast channel, determines whether the broadcast channel signal includes Reference Symbols (RSs) used for channel estimation, determines to apply a maximal puncturing pattern to a Resource Block that defines the broadcast channel, if the broadcast channel signal includes Rs, includes puncturing information about a downlink signal in the broadcast channel signal, maps the broadcast channel signal including the puncturing information to Resource Elements according to the maximal puncturing pattern, and transmits the mapped broadcast channel signal.

    摘要翻译: 提供了一种用于在正交频分复用(OFDM)系统中发送和接收数据的方法和装置,其中基站(BS)生成广播信道的信号,确定广播信道信号是否包括参考符号(RS) 如果广播信道信号包括Rs,则确定将最大穿孔模式应用于定义广播信道的资源块,包括关于广播信道信号中的下行链路信号的删截信息,将广播信道信号包括 根据最大打孔模式将信息删截到资源元素,并发送映射的广播信道信号。

    Apparatus and method for mapping symbols to resources in a mobile communication system
    113.
    发明授权
    Apparatus and method for mapping symbols to resources in a mobile communication system 有权
    用于将符号映射到移动通信系统中的资源的装置和方法

    公开(公告)号:US08121218B2

    公开(公告)日:2012-02-21

    申请号:US12129194

    申请日:2008-05-29

    IPC分类号: H04L5/22

    摘要: A method and apparatus for mapping coded data symbols to resources in a mobile communication system. An S/P converter converts a serial signal including user data or control information into a plurality of parallel signals. A DFT unit performs Discrete Fourier Transform (DFT) on the parallel signals output from the S/P converter. A controller controls the DFT unit so that among the signals output from the S/P converter, a control channel is mapped in the maximum available resources to which the control channel can be mapped, among the resources included in a resource block, and data symbols are mapped to the remaining resources, except for the maximum available resources to which the control channel can be mapped. A subcarrier mapper allocates the signals output from the DFT unit to subcarriers. An RF processor converts a signal output from the subcarrier mapper into a radio signal.

    摘要翻译: 一种用于将编码数据符号映射到移动通信系统中的资源的方法和装置。 S / P转换器将包括用户数据或控制信息的串行信号转换成多个并行信号。 DFT单元对从S / P转换器输出的并行信号执行离散傅里叶变换(DFT)。 控制器控制DFT单元,使得在从S / P转换器输出的信号中,控制信道被映射到包括在资源块中的资源中的控制信道可映射到的最大可用资源中,并且数据符号 被映射到剩余资源,除了可以映射控制信道的最大可用资源。 子载波映射器将从DFT单元输出的信号分配给副载波。 RF处理器将从子载波映射器输出的信号转换成无线电信号。

    Method and apparatus for transmitting/receiving a signal in an FFH-OFDM communication system
    114.
    发明授权
    Method and apparatus for transmitting/receiving a signal in an FFH-OFDM communication system 有权
    用于在FFH-OFDM通信系统中发送/接收信号的方法和装置

    公开(公告)号:US08107356B2

    公开(公告)日:2012-01-31

    申请号:US11317239

    申请日:2005-12-27

    IPC分类号: H04J11/00

    摘要: Provided is an apparatus for signal transmission in a Fast Frequency Hopping-Orthogonal Frequency Division Multiplexing (FFH-OFDM) communication system which divides all of the available frequency bands into a plurality of sub-carrier bands and includes a plurality of sub-channels each including at least one sub-carrier band. The apparatus includes: a Fast Frequency Hopping (FFH) unit for allocating input data to a number of selected sub-carriers from among the plurality of sub-carriers and for performing fast frequency hopping in accordance with a fast frequency hopping pattern to generate FFH signals, wherein one or more pieces of data comprise the input data and each of the one or more pieces of data is allocated to one of the selected sub-carriers; a Fast Fourier Transform (FFT) unit for performing FFT on FFH signals; a controller for inserting null data into remaining sub-carriers, the remaining sub-carriers comprising sub-carriers other than the selected sub-carriers; a first Inverse Fast Fourier Transform (IFFT) unit for performing IFFT on both the selected sub-carriers comprising the input data and the remaining sub-carriers comprising the inserted null data to generate first IFFT signals; and a transmitter for transmitting the first IFFT signals.

    摘要翻译: 提供了一种在快速跳频 - 正交频分复用(FFH-OFDM)通信系统中用于信号传输的装置,其将所有可用频带划分成多个子载波频带,并且包括多个子信道,每个子信道包括 至少一个子载波频带。 该装置包括:快速跳频(FFH)单元,用于从多个子载波中分配输入数据到多个选择的子载波,并根据快速跳频模式执行快速跳频以产生FFH信号 其中一条或多条数据包括所述输入数据,并且所述一条或多条数据中的每条数据被分配给所选择的子载体之一; 用于对FFH信号执行FFT的快速傅里叶变换(FFT)单元; 用于将零数据插入剩余子载波的控制器,其余子载波包括除所选子载波之外的子载波; 第一逆快速傅里叶变换(IFFT)单元,用于对包括输入数据的所选择的子载波和包括插入的空数据的剩余子载波执行IFFT以产生第一IFFT信号; 以及用于发送第一IFFT信号的发射机。

    Adaptive data multiplexing method in OFDMA system and transmission/reception apparatus thereof
    115.
    发明授权
    Adaptive data multiplexing method in OFDMA system and transmission/reception apparatus thereof 有权
    OFDMA系统中的自适应数据复用方法及其发送/接收装置

    公开(公告)号:US08064327B2

    公开(公告)日:2011-11-22

    申请号:US11417218

    申请日:2006-05-04

    IPC分类号: H04J11/00

    摘要: A transmission/reception method and apparatus in an Orthogonal Frequency Division Multiplexing (OFDM)-based wireless communication system are provided, in which a data transmitter adaptively selects a multiplexing scheme according to a code rate of the transmission packet or an effective SNR of a wireless channel for a corresponding terminal, when transmitting a packet data channel. The adaptive multiplexing scheme is equal in concept to a scheme of adaptively implementing unitary precoding. The unitary precoded multiplexing includes Orthogonal Frequency code Domain Multiplexing (OFCDM), Fast Fourier Transform-Spread-OFDM (FFT-S-OFDM), Fast Frequency Hopping-OFDM (FFH-OFDM), and the like. The method and apparatus adaptively selects the multiplexing scheme and transmits/receives data using the selected multiplexing scheme, thereby improving reception performance of the packet data.

    摘要翻译: 提供了一种基于正交频分复用(OFDM)的无线通信系统中的发送/接收方法和装置,其中数据发射机根据传输分组的码率或无线的有效SNR自适应地选择复用方案 当发送分组数据信道时,对应的终端的信道。 自适应复用方案在概念上等于自适应地实现单一预编码的方案。 单一预编码复用包括正交频域域复用(OFCDM),快速傅里叶变换扩频OFDM(FFT-S-OFDM),快速跳频OFDM(FFH-OFDM)等。 该方法和装置自适应地选择复用方案,并使用选择的复用方案发送/接收数据,从而提高分组数据的接收性能。

    APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING UPLINK PILOT IN FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM
    116.
    发明申请
    APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING UPLINK PILOT IN FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM 有权
    频分多址接入系统发送/接收上行导频的装置及方法

    公开(公告)号:US20100149962A1

    公开(公告)日:2010-06-17

    申请号:US11917450

    申请日:2006-06-21

    IPC分类号: H04J11/00 H04B7/208

    CPC分类号: H04L5/06 H04L25/0232

    摘要: Method and apparatus for transmitting/receiving an uplink pilot used for channel estimation and measurement of an uplink in an FDMA system. Pilot symbols are transmitted with different frequency mapping patterns in first and second pilot symbol intervals of one time slot interval including data symbol intervals and the inconsecutive first and second pilot symbol intervals which have a shorter length than the data symbol intervals. As a result, interpolation of a frequency domain during channel estimation is not necessary, and can correctly obtain channel-estimated values of a frequency at which data is transmitted, in a fast time-varying channel environment.

    摘要翻译: 用于发送/接收用于FDMA系统中的上行链路的信道估计和测量的上行链路导频的方法和装置。 在包括数据符号间隔的一个时隙间隔的第一和第二导频符号间隔以及具有比数据符号间隔更短的长度的不连续的第一和第二导频符号间隔中,以不同的频率映射模式发送导频符号。 结果,在频道估计期间的频域的插值不是必需的,并且可以在快速时变信道环境中正确地获得数据被发送的频率的信道估计值。

    METHOD AND APPARATUS FOR SUPPORTING MULTIPLE REFERENCE SIGNALS IN OFDMA COMMUNICATION SYSTEMS
    117.
    发明申请
    METHOD AND APPARATUS FOR SUPPORTING MULTIPLE REFERENCE SIGNALS IN OFDMA COMMUNICATION SYSTEMS 有权
    在OFDMA通信系统中支持多个参考信号的方法和装置

    公开(公告)号:US20100039970A1

    公开(公告)日:2010-02-18

    申请号:US12541475

    申请日:2009-08-14

    IPC分类号: H04B7/005

    摘要: Methods and apparatuses are described for a Node B to transmit Reference Signals (RS) from multiple antennas to enable User Equipments (UEs) to perform demodulation of received information signals and to estimate Channel Quality Indication (CQI) metrics. To minimize overhead and enable backward compatible operation with legacy systems, RS from a first set of Node B antennas are transmitted in every transmission time interval and substantially over the whole operating BandWidth (BW). RS from a second set of Node B antennas serving for CQI estimation are periodically transmitted, substantially over the whole operating BW, with transmission period informed to UEs through broadcast signaling by the Node B and starting transmission sub-frame determined from the identity of the cell served by the Node B. RS from the second set of antennas, and new RS from the first set of antennas, serving for demodulation of information signals have substantially the same BW as the information signals which can be smaller than the operating BW.

    摘要翻译: 描述了用于节点B从多个天线发送参考信号(RS)的方法和装置,以使得用户设备(UE)能够对所接收的信息信号进行解调并估计信道质量指示(CQI)度量。 为了最小化开销并实现与传统系统的向后兼容操作,来自第一组节点B天线的RS在每个传输时间间隔中传输,并且基本上在整个操作的BandWidth(BW)上传输。 基本上在整个操作BW上周期性地发送用于CQI估计的第二组节点B天线的RS,其中传输周期通过节点B的广播信令通知给UE,并且从小区的身份确定的发送子帧 来自第二组天线的节点B.RS的RS和来自用于解调信息信号的第一组天线的新RS具有与可以小于操作BW的信息信号基本相同的BW。

    METHOD AND APPARATUS FOR MAPPING/DEMAPPING MODULATION SYMBOLS IN A MOBILE COMMUNICATION SYSTEM
    119.
    发明申请
    METHOD AND APPARATUS FOR MAPPING/DEMAPPING MODULATION SYMBOLS IN A MOBILE COMMUNICATION SYSTEM 有权
    移动通信系统中映射/调制调制符号的方法和装置

    公开(公告)号:US20080267122A1

    公开(公告)日:2008-10-30

    申请号:US12102390

    申请日:2008-04-14

    IPC分类号: H04Q7/00 H04L27/28

    摘要: A method for mapping wireless resources of reference symbols for channel state estimation and modulation symbols for user information transmission in a transmitter of an Orthogonal Frequency Division Multiplexing (OFDM) mobile communication system is disclosed. The mapping method includes channel-encoding and modulating a user information stream to be transmitted, and then generating a systematic symbol stream and a parity symbol stream; and preferentially arranging systematic modulation symbols in resource elements of a symbol including no reference symbol, and then arranging parity modulation symbols in remaining resource elements.

    摘要翻译: 公开了一种在正交频分复用(OFDM)移动通信系统的发射机中映射用于信道状态估计和用于用户信息传输的调制符号的参考符号的无线资源的方法。 映射方法包括对要发送的用户信息流进行信道编码和调制,然后生成系统符号流和奇偶校验符号流; 并且优先在不包括参考符号的符号的资源元素中排列系统调制符号,然后将奇偶校验调制符号设置在剩余的资源元素中。

    METHOD AND APPARATUS FOR RECEIVING A CONTROL CHANNEL IN A MOBILE COMMUNICATION SYSTEM
    120.
    发明申请
    METHOD AND APPARATUS FOR RECEIVING A CONTROL CHANNEL IN A MOBILE COMMUNICATION SYSTEM 有权
    用于在移动通信系统中接收控制信道的方法和装置

    公开(公告)号:US20080232322A1

    公开(公告)日:2008-09-25

    申请号:US12052226

    申请日:2008-03-20

    IPC分类号: H04Q7/00

    摘要: A method and apparatus for receiving control information in a mobile communication system. A controller acquires information indicating variable Control Channel Elements (CCEs) allocated for first User Equipments (UEs) among CCEs constituting control channels, acquires information indicating fixed CCEs allocated for second UEs, selects the variable CCEs when a UE receiving the control information is included in the first UEs, and selects the fixed CCEs when the UE is included in the second UEs. A control information receiver receives the control information through the selected CCEs.

    摘要翻译: 一种用于在移动通信系统中接收控制信息的方法和装置。 控制器获取指示在构成控制信道的CCE中分配给第一用户设备(UE)的可变控制信道元素(CCE)的信息,获取指示为第二UE分配的固定CCE的信息,当接收到控制信息的UE包括在 第一UE,并且当UE包括在第二UE中时选择固定CCE。 控制信息接收器通过所选择的CCE接收控制信息。