Apparatus and an associated method for facilitating communications in a radio communication system that provides for data communications at multiple data rates
    141.
    发明授权
    Apparatus and an associated method for facilitating communications in a radio communication system that provides for data communications at multiple data rates 有权
    用于促进在多个数据速率下提供数据通信的无线电通信系统中的通信的装置和相关方法

    公开(公告)号:US07660277B2

    公开(公告)日:2010-02-09

    申请号:US10512850

    申请日:2003-06-05

    Abstract: Apparatus, and an associated method, for facilitating operation of a radio communication system that provides for multi rate data communications, such as a CDMA 2000 system that provides for 1xEV-DV communication services. A supplemental pilot, or control, signal generator embodied at a mobile station generates a supplemental pilot, or control, signal that is sent on a newly defined supplemental pilot, or control, channel. As the data rates of data communicated upon a reverse supplemental channel changes, corresponding changes are made to the power level of the reverse supplemental pilot, or control, signal.

    Abstract translation: 装置和相关方法,用于促进提供多速率数据通信的无线电通信系统的操作,诸如提供1xEV-DV通信服务的CDMA 2000系统。 实施在移动站的补充导频或控制信号发生器产生在新定义的补充导频或控制信道上发送的补充导频或控制信号。 随着在反向补充信道上传送的数据的数据速率发生变化,对反向辅助导频或控制信号的功率电平进行相应的改变。

    MIMO wireless precoding system robust to power imbalance
    142.
    发明授权
    MIMO wireless precoding system robust to power imbalance 有权
    MIMO无线预编码系统强大的功率不平衡

    公开(公告)号:US07629902B2

    公开(公告)日:2009-12-08

    申请号:US12155235

    申请日:2008-05-30

    CPC classification number: H04L27/2601 H04L25/0204 H04L25/0224 H04L25/0242

    Abstract: The present invention relates to methods and apparatus for preventing power imbalance in a multiple input multiple output (MIMO) wireless precoding system. According to one aspect of the present invention, a codebook is constructed with a first subset of codewords that are constant modulus matrices, and a second subset of codewords that are non-constant modulus matrices. A mapping scheme is established between the first subset of codewords and the second subset of codewords. When a unit of user equipment feeds back a first codeword that is a non-constant modulus matrix, the Node-B may replace the first codewords with a second codeword that is selected from the first subset of codewords and that corresponds to the first codeword in accordance with the mapping scheme.

    Abstract translation: 本发明涉及用于防止多输入多输出(MIMO)无线预编码系统中的功率不平衡的方法和装置。 根据本发明的一个方面,使用作为恒模矩阵的码字的第一子集以及作为非恒定模数矩阵的码字的第二子集构造码本。 在码字的第一子集和码字的第二子集之间建立映射方案。 当用户设备的单元反馈作为非恒定模数矩阵的第一码字时,节点B可以用从码字的第一子集中选择并且对应于第一码字的第二码字来替换第一码字, 按照映射方案。

    Methods and apparatus to improve communication in a relay channel
    143.
    发明申请
    Methods and apparatus to improve communication in a relay channel 有权
    改善中继信道通信的方法和装置

    公开(公告)号:US20090254790A1

    公开(公告)日:2009-10-08

    申请号:US12286453

    申请日:2008-09-30

    Abstract: A system and method for relaying data communications in a Hybrid Automatic Repeat Request (HARQ) network. The system and method operable to receive a data communication packet from a base station during a first transmission time interval and simultaneously receive an acknowledgement signal from a subscriber station; and transmit a data communication packet to a subscriber station during a second transmission time interval and simultaneously transmit an acknowledgement signal to a base station.

    Abstract translation: 一种用于在混合自动重复请求(HARQ)网络中中继数据通信的系统和方法。 该系统和方法可操作以在第一传输时间间隔期间从基站接收数据通信分组,并同时从订户站接收确认信号; 并且在第二传输时间间隔期间向订户站发送数据通信分组,并且同时向基站发送确认信号。

    Methods and apparatus for downlink PDSCH power setting
    144.
    发明申请
    Methods and apparatus for downlink PDSCH power setting 有权
    下行链路PDSCH功率设置的方法和装置

    公开(公告)号:US20090175371A1

    公开(公告)日:2009-07-09

    申请号:US12314239

    申请日:2008-12-05

    Abstract: Methods and apparatus for transmitting power setting information in a downlink Physical Downlink Shared Channel (PDSCH) in a communication system. In this communication system, a plurality of methods for calculating traffic-to-pilot ratios (T2P) are established. In addition, a mapping scheme between a plurality of overhead signals and a plurality of reference signal (RS) overhead ratios, ηRS, and the plurality of T2P calculation methods is established. A user-specific T2P ratio PB,k/PRS for certain OFDM symbols, a RS overhead ratio ηRS and a calculation method selected from the plurality of T2P calculation methods are assigned to a wireless terminal. Then, an overhead signal corresponding to both of the assigned RS overhead ratio ηRS and the assigned T2P calculation method is selected in accordance with the mapping scheme and is transmitted to the wireless terminal. In addition, the user-specific traffic-to-pilot ratio PB,k/PRS is transmitted to the wireless terminal. The wireless terminal may calculate the traffic-to-pilot ratios across different transmission antennas and different OFDM symbols in dependence upon the received traffic-to-pilot ratio PB,k/PRS, and the RS overhead ratio and the T2P calculation method indicated by the RS overhead signal.

    Abstract translation: 在通信系统中的下行链路物理下行链路共享信道(PDSCH)中发送功率设定信息的方法和装置。 在该通信系统中,建立了用于计算业务导频比(T2P)的多种方法。 此外,建立了多个开销信号与多个参考信号(RS)开销比,etaRS和多个T2P计算方法之间的映射方案。 对于无线终端,分配用于特定OFDM符号的用户特定T2P比率PB,k / PRS,RS开销比率etaRS以及从多个T2P计算方法中选择的计算方法。 然后,根据映射方案选择对应于所分配的RS开销比etaRS和所分配的T2P计算方法的开销信号,并将其发送到无线终端。 此外,将用户特定的业务导频比PB,k / PRS发送到无线终端。 无线终端可以根据接收到的业务导频比PB,k / PRS和RS开销比和T2P计算方法,计算不同发射天线和不同OFDM符号之间的业务导频比 RS开销信号。

    Methods and apparatus for channel quality indication feedback in a communication system
    145.
    发明申请
    Methods and apparatus for channel quality indication feedback in a communication system 有权
    通信系统中信道质量指示反馈的方法和装置

    公开(公告)号:US20090163142A1

    公开(公告)日:2009-06-25

    申请号:US12232376

    申请日:2008-09-16

    Abstract: Methods and apparatus for feeding back channel quality indication in a communication system. First, a first channel quality indication index is determined in dependence upon a channel quality estimation of a first transmission channel, and a second channel quality indication index is determined in dependence upon a channel quality estimation of a second transmission channel. A differential channel quality indication index of the second channel quality indication index is determined with reference to the first channel quality indication index in dependence upon a differential compression scheme. Then, the first channel quality indication index and the differential channel quality indication index are reported.

    Abstract translation: 在通信系统中反馈信道质量指示的方法和装置。 首先,根据第一传输信道的信道质量估计来确定第一信道质量指示索引,并且根据第二传输信道的信道质量估计来确定第二信道质量指示索引。 参考第一信道质量指示索引来确定第二信道质量指示索引的差分信道质量指示索引,这取决于差分压缩方案。 然后,报告第一信道质量指示索引和差分信道质量指示索引。

    Rate matching for hybrid ARQ operations
    147.
    发明申请
    Rate matching for hybrid ARQ operations 有权
    混合ARQ操作的速率匹配

    公开(公告)号:US20090028129A1

    公开(公告)日:2009-01-29

    申请号:US12073886

    申请日:2008-03-11

    Abstract: A method of rate matching process of the hybrid Automatic Repeat reQuestion (HARQ) operation in which coded bits are selected for a transmission depends on whether the transmission is a first transmission of a new packet or a retransmission of an existing packet. In downlink of long term evolution (LTE) system, a downlink grant message is transmitted along with the packet data transmission. The grant message may also contain the redundancy version (RV). A new data indicator (NDI) is introduced to indicate the start of a new packet. The improved method of rate matching may be implanted into either a transmitter or a receiver.

    Abstract translation: 混合自动重复请求(HARQ)操作的速率匹配过程的方法,其中选择编码比特用于传输取决于传输是新分组的第一次传输还是现有分组的重传。 在长期演进(LTE)系统的下行链路中,与分组数据传输一起发送下行链路授权消息。 授予消息还可以包含冗余版本(RV)。 引入新的数据指示符(NDI)来指示新数据包的开始。 改进的速率匹配方法可以植入到发射机或接收机中。

    Methods and apparatus to compute CRC for multiple code blocks
    148.
    发明申请
    Methods and apparatus to compute CRC for multiple code blocks 有权
    用于计算多个码块的CRC的方法和装置

    公开(公告)号:US20090019337A1

    公开(公告)日:2009-01-15

    申请号:US12076777

    申请日:2008-03-21

    Abstract: A method and a circuit for generating cyclic redundancy checks. The method calculates a plurality of cyclic redundancy checks for a transport block with a plurality of information bits. At least one cyclic redundancy check among the plurality of cyclic redundancy checks is calculated based on a subset of information bits, and at least one information bit among the plurality of information bits is not within said subset of the information bits. In addition, a transport block cyclic redundancy check may be calculated based on all the information bits.

    Abstract translation: 一种用于产生循环冗余校验的方法和电路。 该方法对具有多个信息比特的传输块计算多个循环冗余校验。 基于信息比特的子集来计算多个循环冗余校验中的至少一个循环冗余校验,并且多个信息比特中的至少一个信息比特不在信息比特的所述子集内。 此外,可以基于所有信息比特来计算传输块循环冗余校验。

    Transmit methods for CCFI/PCFICH in a wireless communication system
    149.
    发明申请
    Transmit methods for CCFI/PCFICH in a wireless communication system 有权
    无线通信系统中CCFI / PCFICH的发送方法

    公开(公告)号:US20090015443A1

    公开(公告)日:2009-01-15

    申请号:US12213012

    申请日:2008-06-12

    CPC classification number: H04L1/0668 H04L1/0025 H04L1/0029 H04L1/08

    Abstract: A method of transmitting a control channel format indicator (CCFI), also known as PCFICH (Physical Control Format Indicator Channel), in case where the length of a coded CCFI is not an integer multiple of three, including mapping a plurality of two-bit CCFI into a codebook with each component codeword having three bits; generating a sequence of codewords selected from the codebook by repeating the selected component codeword for predetermined times; generating a codeword by concatenating the sequence of the selected component codewords with the original CCFI bits; and transmitting the codeword carrying information of CCFI. The method further includes a step of generating a permutation of each of the four codewords by assigning K repetitions of the three-bit component codeword to the number of K resource units respectively and mapping remaining K bits of each of the four codewords separately to the number of K resource units.

    Abstract translation: 在编码CCFI的长度不是3的整数倍的情况下,发送控制信道格式指示符(CCFI)(也称为PCFICH(物理控制格式指示符信道))的方法,包括映射多个两比特 CCFI转换成具有三比特的每个分量码字的码本; 通过在预定时间内重复所选择的分量码字来产生从码本中选择的码字序列; 通过将所选择的分量码字的序列与原始CCFI比特级联来产生码字; 并传送携带CCFI信息的码字。 该方法还包括通过将三比特分量码字的K个重复分别分配给K个资源单元的数量并分别将四个码字中的每一个分别映射到数字的四个码字中的每一个生成排列的步骤 的K资源单位。

    Spatial interleaver for MIMO wireless communication systems
    150.
    发明申请
    Spatial interleaver for MIMO wireless communication systems 审中-公开
    用于MIMO无线通信系统的空间交织器

    公开(公告)号:US20080232489A1

    公开(公告)日:2008-09-25

    申请号:US12007894

    申请日:2008-01-16

    CPC classification number: H04L1/0071 H04L1/0066 H04L2001/0092

    Abstract: A method for transmission is provided to include demultiplexing information to be transmitted into a plurality of stream blocks, encoding each of the stream blocks according to a corresponding coding scheme to generate a plurality of encoded streams, interleaving the plurality of encoded streams in a bit-level to generate a plurality of bit-level interleaved streams, modulating each of the bit-level interleaved streams according to a corresponding modulation scheme to generate a plurality of modulated symbol streams, interleaving the plurality of modulated symbol streams in a symbol-level to generate a plurality of symbol-level interleaved streams, precoding the plurality of symbol-level interleaved streams according to a precoding scheme to generate a plurality of precoded streams, and transmitting the plurality of precoded streams via a plurality of antennas.

    Abstract translation: 提供了一种用于传输的方法,包括要发送到多个流块中的解复用信息,根据相应的编码方案对每个流块进行编码,以生成多个编码流, 以产生多个比特级交织流,根据相应的调制方案对每个比特级交织流进行调制以产生多个调制符号流,将符号级中的多个调制符号流进行交织以产生 多个符号级交织流,根据预编码方案预编码多个符号级交织流,以产生多个预编码流,以及经由多个天线发送多个预编码流。

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