Control signal transmission for wireless communication systems
    41.
    发明授权
    Control signal transmission for wireless communication systems 有权
    无线通信系统的控制信号传输

    公开(公告)号:US09131486B2

    公开(公告)日:2015-09-08

    申请号:US11944123

    申请日:2007-11-21

    摘要: Systems and methodologies are described that facilitate communicating reverse link control information over OFDMA control channel(s) and CDMA control channel(s). Dedicated OFDMA control channel resources can be assigned to mobile device(s). Control information related to one or more logical control channels can be generated by a mobile device. Further, a physical control channel type (e.g., OFDMA control channel or a CDMA control channel) can be selected for sending the control information via the reverse link. For example, control information associated with periodic, logical control channels can be multiplexed and sent over the OFDMA control channel (e.g., utilizing the dedicated OFDMA control channel resources) while control information related to non-periodic, logical control channels can be transmitted over the CDMA control channel.

    摘要翻译: 描述了有助于通过OFDMA控制信道和CDMA控制信道传送反向链路控制信息的系统和方法。 可以将专用的OFDMA控制信道资源分配给移动设备。 可以由移动设备生成与一个或多个逻辑控制信道有关的控制信息。 此外,可以选择物理控制信道类型(例如,OFDMA控制信道或CDMA控制信道),用于经由反向链路发送控制信息。 例如,与周期性逻辑控制信道相关联的控制信息可以通过OFDMA控制信道(例如,利用专用OFDMA控制信道资源)进行复用和发送,而与非周期逻辑控制信道有关的控制信息可以通过 CDMA控制信道。

    Preamble design for a wireless signal
    42.
    发明授权
    Preamble design for a wireless signal 有权
    无线信号的前缀设计

    公开(公告)号:US09264976B2

    公开(公告)日:2016-02-16

    申请号:US12260856

    申请日:2008-10-29

    IPC分类号: H04W48/08

    CPC分类号: H04W48/08

    摘要: Providing for management of wireless communications in a heterogeneous wireless access point (AP) environment is described herein. By way of example, system data of an over-the-air message can be configured to include information identifying a distinct type of transmitting base station. In some aspects, the information can include an access type of the base station and/or a sector ID for distinguishing the base station among large numbers of other base stations. According to other aspects, the information can include wireless channel resources designated for a particular type of base station, or blanked by the transmitting base station, to facilitate interference reduction on such resources. By employing aspects of wireless communication management disclosed herein, efficient and reliable communication can be affected in large heterogeneous AP networks.

    摘要翻译: 本文描述了在异构无线接入点(AP)环境中的无线通信的管理。 作为示例,空中消息的系统数据可以被配置为包括标识不同类型的发送基站的信息。 在一些方面,信息可以包括基站的接入类型和/或用于区分大量其他基站中的基站的扇区ID。 根据其他方面,信息可以包括为特定类型的基站指定的无线信道资源,或者由发射基站消隐,以便于对这些资源进行干扰减少。 通过采用这里公开的无线通信管理的方面,可以在大型异构AP网络中影响高效可靠的通信。

    Interference reduction request in a wireless communication system
    45.
    发明授权
    Interference reduction request in a wireless communication system 有权
    无线通信系统中的干扰减少请求

    公开(公告)号:US08843069B2

    公开(公告)日:2014-09-23

    申请号:US12262013

    申请日:2008-10-30

    摘要: Techniques for transmitting data with short-term interference mitigation in a wireless communication system are described. In one design, a first station (e.g., a base station or a terminal) may send a first message to at least one interfering station to request reduction of interference on at least one resource. The first station may send the first message in anticipation of receiving data on the at least one resource. An interfering station may receive the first message from the first station and may reduce interference on the at least one resource by reducing its transmit power and/or by steering its power in a direction different from the first station. The first station may thereafter receive data from a second station on the at least one resource. The techniques may be used for data transmission on the forward and reverse links.

    摘要翻译: 描述了在无线通信系统中发送具有短期干扰抑制的数据的技术。 在一种设计中,第一站(例如,基站或终端)可以向至少一个干扰站发送第一消息,以请求减少对至少一个资源的干扰。 第一站可以发送第一消息以预期在至少一个资源上接收数据。 干扰站可以从第一站接收第一消息,并且可以通过减少其发射功率和/或通过在与第一站不同的方向上转向其功率来减少对至少一个资源的干扰。 此后,第一站可以在至少一个资源上从第二站接收数据。 这些技术可以用于前向和反向链路上的数据传输。

    FEC code and code rate selection based on packet size
    46.
    发明授权
    FEC code and code rate selection based on packet size 有权
    基于分组大小的FEC码和码率选择

    公开(公告)号:US08566676B2

    公开(公告)日:2013-10-22

    申请号:US11943172

    申请日:2007-11-20

    IPC分类号: H03M13/00

    摘要: Techniques for encoding and decoding data are described. In an aspect, multiple code rates for a forward error correction (FEC) code may be supported, and a suitable code rate may be selected based on packet size. A transmitter may obtain at least one threshold to use for code rate selection, determine a packet size to use for data transmission, and select a code rate from among the multiple code rates based on the packet size and the at least one threshold. In another aspect, multiple FEC codes of different types (e.g., Turbo, LDPC, and convolutional codes) may be supported, and a suitable FEC code may be selected based on packet size. The transmitter may obtain at least one threshold to use for FEC code selection and may select an FEC code from among the multiple FEC codes based on the packet size and the at least one threshold.

    摘要翻译: 描述用于编码和解码数据的技术。 在一方面,可以支持用于前向纠错(FEC)码的多个码率,并且可以基于分组大小来选择合适的码率。 发射机可以获得用于码率选择的至少一个阈值,确定用于数据传输的分组大小,并且基于分组大小和至少一个阈值从多个码率中选择码率。 在另一方面,可以支持不同类型的多个FEC码(例如,Turbo,LDPC和卷积码),并且可以基于分组大小来选择合适的FEC码。 发射机可以获得用于FEC码选择的至少一个阈值,并且可以基于分组大小和至少一个阈值从多个FEC码中选择FEC码。

    Mapping of subpackets to resources in a communication system
    47.
    发明授权
    Mapping of subpackets to resources in a communication system 有权
    将子分组映射到通信系统中的资源

    公开(公告)号:US08320407B2

    公开(公告)日:2012-11-27

    申请号:US11968631

    申请日:2008-01-02

    IPC分类号: H04J4/00

    CPC分类号: H04L47/15 H04L47/70

    摘要: Techniques for transmitting data in a communication system are described. A packet may be partitioned into multiple subpackets, and each subpacket may be encoded separately. The subpackets may be mapped to resources assigned for transmission of the packet, with at least one subpacket being mapped to a subset of the assigned resources. The assigned resources may include multiple tiles, with each tile corresponding to a block of time frequency resources. The subpackets may be mapped to the tiles such that (i) the subpackets are mapped to equal number of tiles to achieve similar decoding performance, (ii) each subpacket is mapped to at least NMIN tiles, if available, to achieve a certain minimum diversity order for the subpacket, and/or (iii) each subpacket is mapped to a subset of the multiple tiles, if possible, so that the subpacket can be decoded without having to demodulate all of the tiles.

    摘要翻译: 描述在通信系统中传输数据的技术。 分组可以被划分成多个子分组,并且每个子分组可以被分开编码。 子分组可以被映射到分配用于分组的传输的资源,其中至少一个子分组被映射到所分配的资源的子集。 分配的资源可以包括多个瓦片,其中每个瓦片对应于时间频率资源块。 子分组可以被映射到瓦片,使得(i)子分组被映射到相等数量的分块以实现类似的解码性能,(ii)每个子分组被映射到至少NMIN分块(如果可用),以获得一定的最小分集 如果可能,每个子分组被映射到多个分块的子集,使得子分组可以被解码而不必解调所有的分块。

    Multiple modulation technique for use in a communication system
    48.
    发明授权
    Multiple modulation technique for use in a communication system 有权
    用于通信系统的多调制技术

    公开(公告)号:US08179876B2

    公开(公告)日:2012-05-15

    申请号:US11315743

    申请日:2005-12-21

    IPC分类号: H04J1/00

    摘要: A method for receiving an indication to apply a first modulation scheme to modulate one or more segments of a first portion includes determining a first segment set, having at least one segment of the first portion for applying the first modulation scheme. The method further includes modulating the first segment set of the first portion using the first modulation scheme. In addition, the method includes modulating one or more segments of the second portion using a second scheme, different from first modulation scheme.

    摘要翻译: 接收用于应用第一调制方案来调制第一部分的一个或多个段的指示的方法包括确定具有用于施加第一调制方案的第一部分的至少一个段的第一段集合。 该方法还包括使用第一调制方案来调制第一部分的第一段集合。 此外,该方法包括使用不同于第一调制方案的第二方案来调制第二部分的一个或多个片段。

    MAPPING OF SUBPACKETS TO RESOURCES IN A COMMUNICATION SYSTEM
    50.
    发明申请
    MAPPING OF SUBPACKETS TO RESOURCES IN A COMMUNICATION SYSTEM 有权
    将通讯系统中的资源映射到通信系统

    公开(公告)号:US20080240159A1

    公开(公告)日:2008-10-02

    申请号:US11968631

    申请日:2008-01-02

    IPC分类号: H04J3/24

    CPC分类号: H04L47/15 H04L47/70

    摘要: Techniques for transmitting data in a communication system are described. A packet may be partitioned into multiple subpackets, and each subpacket may be encoded separately. The subpackets may be mapped to resources assigned for transmission of the packet, with at least one subpacket being mapped to a subset of the assigned resources. The assigned resources may include multiple tiles, with each tile corresponding to a block of time frequency resources. The subpackets may be mapped to the tiles such that (i) the subpackets are mapped to equal number of tiles to achieve similar decoding performance, (ii) each subpacket is mapped to at least NMIN tiles, if available, to achieve a certain minimum diversity order for the subpacket, and/or (iii) each subpacket is mapped to a subset of the multiple tiles, if possible, so that the subpacket can be decoded without having to demodulate all of the tiles.

    摘要翻译: 描述用于在通信系统中发送数据的技术。 分组可以被划分成多个子分组,并且每个子分组可以被分开编码。 子分组可以被映射到分配用于分组的传输的资源,其中至少一个子分组被映射到所分配的资源的子集。 分配的资源可以包括多个瓦片,其中每个瓦片对应于时间频率资源块。 子分组可以被映射到瓦片,使得(i)子分组被映射到相等数量的分块以实现类似的解码性能,(ii)每个子分组被映射到至少N分钟分块,如果 为了实现子包的一定的最小分集顺序,和/或(iii)每个子包被映射到多个片的子集,如果可能的话,使得子包可被解码而不必解调所有的片。