Method and apparatus for indexing physical channels in an OFDMA system
    1.
    发明授权
    Method and apparatus for indexing physical channels in an OFDMA system 有权
    OFDMA系统索引物理信道的方法和装置

    公开(公告)号:US07787356B2

    公开(公告)日:2010-08-31

    申请号:US11433770

    申请日:2006-05-15

    IPC分类号: H04J11/00

    CPC分类号: H04L27/2608 H04L5/023

    摘要: A method and system for indexing physical channels in an OFDMA system where one OFDM symbol includes a plurality of subcarriers and one TTI includes a plurality of OFDM symbols are provided. A total number of subcarriers per OFDM symbol are divided into N groups. A kth group is selected from the N groups in each OFDM symbol of a TTI, and a physical channel corresponding to a set of subcarriers indexed with predetermined values, included in the kth groups of the TTI is indexed with an ordered pair (N, k).

    摘要翻译: 一种在OFDMA系统中索引物理信道的方法和系统,其中一个OFDM符号包括多个子载波,并且一个TTI包括多个OFDM符号。 每个OFDM符号的子载波总数被分成N个组。 从TTI的每个OFDM符号中的N个组中选择第k个组,并且将包含在TTI的第k个组中的由预定值索引的一组子载波对应的物理信道用有序对(N,k )。

    Method and apparatus for indexing physical channels in an OFDMA system
    2.
    发明申请
    Method and apparatus for indexing physical channels in an OFDMA system 有权
    OFDMA系统索引物理信道的方法和装置

    公开(公告)号:US20060256887A1

    公开(公告)日:2006-11-16

    申请号:US11433770

    申请日:2006-05-15

    IPC分类号: H04K1/10

    CPC分类号: H04L27/2608 H04L5/023

    摘要: A method and system for indexing physical channels in an OFDMA system where one OFDM symbol includes a plurality of subcarriers and one TTI includes a plurality of OFDM symbols are provided. A total number of subcarriers per OFDM symbol are divided into N groups. A kth group is selected from the N groups in each OFDM symbol of a TTI, and a physical channel corresponding to a set of subcarriers indexed with predetermined values, included in the kth groups of the TTI is indexed with an ordered pair (N, k).

    摘要翻译: 一种在OFDMA系统中索引物理信道的方法和系统,其中一个OFDM符号包括多个子载波,并且一个TTI包括多个OFDM符号。 每个OFDM符号的子载波总数被分成N个组。 从TTI的每个OFDM符号中的N个组中选择第k个组,以及对应于包含在第k个/第2组中的预定值索引的一组子载波的物理信道, SUP>组的TTI用有序对(N,k)进行索引。

    Adaptive data multiplexing method in OFDMA system and transmission/reception apparatus thereof
    5.
    发明申请
    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:US20070064664A1

    公开(公告)日:2007-03-22

    申请号:US11417218

    申请日:2006-05-04

    IPC分类号: H04J1/00

    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。

    Method, apparatus, and system for transmitting and receiving information of an uncoded channel in an orthogonal frequency division multiplexing system
    6.
    发明授权
    Method, apparatus, and system for transmitting and receiving information of an uncoded channel in an orthogonal frequency division multiplexing system 有权
    用于在正交频分复用系统中发送和接收未编码信道的信息的方法,装置和系统

    公开(公告)号:US08520499B2

    公开(公告)日:2013-08-27

    申请号:US11417217

    申请日:2006-05-04

    摘要: A method, apparatus and system for efficiently transmitting and receiving channels are provided in a wireless communication system based on Orthogonal Frequency Division Multiplexing (OFDM). A multiplexing scheme differs according to a channel when a transmitter transmits a packet data channel, a common control channel and a control channel designated for a particular user. Uncoded 1-bit information is broadly dispersed in frequency and time domains using multiplexing technology for maximizing diversity gain in a channel for transmitting information of at least one bit to a particular user like an acknowledgement (ACK) channel. The transmitter converts a sequence obtained by multiplexing multiple bits to be transmitted to a plurality of users to parallel signals, and broadly disperses the parallel signals in the time and frequency domains. When the uncoded 1-bit information is transmitted, reception reliability is improved because channel coding and transmission are efficiently performed using a small amount of resources.

    摘要翻译: 在基于正交频分复用(OFDM)的无线通信系统中提供用于有效发送和接收信道的方法,装置和系统。 当发射机发送分组数据信道,公共控制信道和为特定用户指定的控制信道时,复用方案根据信道而不同。 使用多路复用技术将未编码的1比特信息广泛地分散在频域和时域中,用于使通道中的分集增益最大化,以将诸如确认(ACK)信道的至少一个比特的信息发送给特定用户。 发送器将通过将要发送的多个比特复用到多个用户获得的序列转换为并行信号,并且在时域和频域中广泛地分散并行信号。 当发送未编码的1比特信息时,由于使用少量资源有效地进行信道编码和发送,所以提高了接收可靠性。

    Adaptive data multiplexing method in OFDMA system and transmission/reception apparatus thereof
    7.
    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。

    Frequency hopping method and apparatus in a wireless communication system
    10.
    发明授权
    Frequency hopping method and apparatus in a wireless communication system 有权
    无线通信系统中的跳频方法和装置

    公开(公告)号:US07990928B2

    公开(公告)日:2011-08-02

    申请号:US11788900

    申请日:2007-04-23

    IPC分类号: H04B7/216

    摘要: A method for supporting frequency hopping of a transmission apparatus by a reception apparatus in a wireless communication system supporting Hybrid Automatic Repeat reQuest (HARQ). The method includes determining whether a particular transmission apparatus has a need to perform hopping of allocating a different logical channel every Transmission Time Interval (TTI); and when there is no need to perform hopping every TTI, sending to the transmission apparatus a command to perform hopping every multiple TTIs, and simultaneously signaling information on a number of the multiple TTIs.

    摘要翻译: 一种用于在支持混合自动重传请求(HARQ)的无线通信系统中由接收装置支持发送装置的跳频的方法。 该方法包括确定特定传输设备是否需要执行每个传输时间间隔(TTI)分配不同逻辑信道的跳频; 并且当不需要每TTI执行跳频时,向发送装置发送每多个TTI执行跳频的命令,并且同时发送关于多个TTI的数量的信息。