Method and apparatus for implementing network coding in a long term evolution advanced system
    63.
    发明授权
    Method and apparatus for implementing network coding in a long term evolution advanced system 有权
    在长期演进高级系统中实现网络编码的方法和装置

    公开(公告)号:US08750251B2

    公开(公告)日:2014-06-10

    申请号:US12499964

    申请日:2009-07-09

    IPC分类号: H04W4/00 H04B7/04

    摘要: A method and apparatus for applying network coding in multi-user (MU) multiple-input multiple-output (MIMO) control signaling are disclosed. After a pair of wireless transmit/receive units (WTRUs) transmit channel state information (CSI) to an evolved Node-B (eNodeB), each of the WTRUs receive network coded information from the eNodeB, including the CSI transmitted by both of the WTRUs, and decode the network coded information. The WTRUs transmit CSI on a scheduled basis, and store CSI that was previously transmitted. Each of the WTRUs measure the amount of time that pass since they transmitted CSI, and use the transmitted CSI to decode the network coded information on the condition that the measured time does not exceed a predetermined threshold. If the measured time exceeds the predetermined threshold, the stored CSI is used to decode the network coded information.

    摘要翻译: 公开了一种在多用户(MU)多输入多输出(MIMO)控制信令中应用网络编码的方法和装置。 在一对无线发射/接收单元(WTRU)向发射的节点B(eNodeB)发送信道状态信息(CSI)之后,每个WTRU从eNodeB接收包括由两个WTRU发送的CSI的网络编码信息 并解码网络编码信息。 WTRU在调度的基础上发送CSI,并存储先前发送的CSI。 每个WTRU测量自它们发送CSI以来经过的时间量,并且在测量时间不超过预定阈值的条件下使用发送的CSI对网络编码信息进行解码。 如果测量时间超过预定阈值,则存储的CSI用于解码网络编码信息。

    Method and apparatus for hybrid automatic repeat request transmission
    65.
    发明授权
    Method and apparatus for hybrid automatic repeat request transmission 有权
    混合自动重复请求传输的方法和装置

    公开(公告)号:US08332702B2

    公开(公告)日:2012-12-11

    申请号:US11968979

    申请日:2008-01-03

    IPC分类号: H04L1/18

    摘要: A method and apparatus for hybrid automatic repeat request (HARQ) transmission are disclosed. If a packet has not been successfully transmitted, it is determined whether an HARQ early termination condition is met. If the HARQ early termination condition is met, the HARQ process is terminated and the packet is discarded at the HARQ level. The HARQ early termination condition is met if a positive acknowledgement (ACK) has not been received until the number of retransmissions reaches a predetermined limit that is dynamically configured based on channel condition, measurement, etc. Alternatively, the HARQ early termination condition is met if a transmit power required for successful transmission of the packet is much higher than an actual transmit power. Alternatively, the HARQ early termination condition is met if a transport format combination (TFC) selected for retransmission is different from an optimal TFC. A higher layer may be notified of the early HARQ termination.

    摘要翻译: 公开了一种用于混合自动重传请求(HARQ)传输的方法和装置。 如果分组尚未成功发送,则确定是否满足HARQ提前终止条件。 如果HARQ提前终止条件被满足,则HARQ过程被终止,并且在HARQ级别丢弃该分组。 如果在重发次数达到基于信道条件,测量等动态配置的预定限制之前尚未接收到肯定确认(ACK),则HARQ提前终止条件得到满足。或者,如果符合HARQ提前终止条件 成功发送分组所需的发射功率远高于实际的发射功率。 或者,如果选择用于重传的传输格式组合(TFC)不同于最优TFC,则满足HARQ提前终止条件。 可以向较高层通知早期HARQ终止。

    Methods and systems for providing efficient operation of multiple modes in a WLAN system
    66.
    发明授权
    Methods and systems for providing efficient operation of multiple modes in a WLAN system 有权
    在WLAN系统中提供多种模式的有效操作的方法和系统

    公开(公告)号:US08014818B2

    公开(公告)日:2011-09-06

    申请号:US11618328

    申请日:2006-12-29

    IPC分类号: H04M1/00

    摘要: A method and system applies MAC transmission opportunity (TXOP) protection for multiple mode operation in a WLAN system. In particular, MAC mechanisms are defined to support multiple mode CTS frames, and multiple mode CF-End frames sent by the AP, each in a format appropriate for the corresponding mode which also applies to a single mode as a trivial case. MAC mechanisms permit truncation of TXOP duration for releasing the unused portion of the TXOP when no further data for transmission is available. Release of unused protected TXOP is possible for both protected AP transmissions and STA transmissions.

    摘要翻译: 一种方法和系统在WLAN系统中对多模式操作应用MAC传输机会(TXOP)保护。 特别地,MAC机制被定义为支持多模式CTS帧,以及由AP发送的多模式CF-结束帧,每个帧的格式适合于对应的模式,其也适用于单个模式作为平凡的情况。 当没有进一步的传输数据可用时,MAC机制允许截断TXOP持续时间以释放TXOP的未使用部分。 对于受保护的AP传输和STA传输都可以释放未使用的受保护的TXOP。

    METHOD AND APPARATUS FOR SEARCHING FOR CLOSED SUBSCRIBER GROUP CELLS
    68.
    发明申请
    METHOD AND APPARATUS FOR SEARCHING FOR CLOSED SUBSCRIBER GROUP CELLS 有权
    用于搜索封闭的订阅者组细胞的方法和装置

    公开(公告)号:US20090239533A1

    公开(公告)日:2009-09-24

    申请号:US12406562

    申请日:2009-03-18

    IPC分类号: H04W60/00

    摘要: A method and apparatus for searching for closed subscriber group (CSG) cells are described. A wireless transmit/receive unit (WTRU) transmits, to a network of CSG cells, a measurement/cell-search gap request message including a cause value having at least one bit that indicates whether the request message was transmitted due to a manual cell search command or a WTRU autonomous determination. The WTRU receives a measurement/cell-search gap allocation message from the network in response to the measurement/cell-search request message. The WTRU also may determine whether it has a discontinuous reception (DRX) gap that is long enough to read a master information block (MIB) and a system information block (SIB) of a neighboring CSG cell. If the DRX gap is not long enough, the WTRU may transmit a measurement/cell-search gap request message to the network, or autonomously tune away from a cell currently serving the WTRU to read the MIB and SIB.

    摘要翻译: 描述了用于搜索封闭用户组(CSG)小区的方法和装置。 无线发送/接收单元(WTRU)向CSG小区的网络发送测量/小区搜索间隙请求消息,该消息包括具有至少一个比特的原因值,该比特指示由于手动小区搜索是否发送了请求消息 命令或WTRU自动确定。 WTRU响应于测量/小区搜索请求消息从网络接收测量/小区搜索间隙分配消息。 WTRU还可以确定其是否具有足够长的不连续接收(DRX)间隙,以读取相邻CSG小区的主信息块(MIB)和系统信息块(SIB)。 如果DRX间隙不够长,则WTRU可以向网络发送测量/小区搜索间隙请求消息,或者从当前服务于WTRU的小区自主地调出以读取MIB和SIB。

    METHOD FOR INTER-RADIO ACCESS TECHNOLOGY CELL RESELECTION
    69.
    发明申请
    METHOD FOR INTER-RADIO ACCESS TECHNOLOGY CELL RESELECTION 有权
    无线电接入技术小区评估方法

    公开(公告)号:US20090088160A1

    公开(公告)日:2009-04-02

    申请号:US12141356

    申请日:2008-06-18

    IPC分类号: H04W36/00

    摘要: A method for performing cell reselection first determines a current cell selection quality value. The cell selection quality value is compared to a predetermined threshold. Measurements of neighboring cells are taken if the cell selection quality value is less than or equal to the predetermined threshold. Measurements can be taken of intra-frequency cells, inter-frequency cells, and inter-radio access technology cells. If a neighboring cell is found that is better than the current cell based on the measurements, then the better neighbor cell is reselected to.

    摘要翻译: 执行小区重选的方法首先确定当前小区选择质量值。 将小区选择质量值与预定阈值相比较。 如果小区选择质量值小于或等于预定阈值,则采用相邻小区的测量。 可以测量频率内的小区,频率间小区和无线电接入技术小区。 如果发现基于测量值比当前小区更好的相邻小区,则重新选择更好的相邻小区。