Beacon-based control channels
    82.
    发明授权
    Beacon-based control channels 有权
    基于信标的控制通道

    公开(公告)号:US08798665B2

    公开(公告)日:2014-08-05

    申请号:US12163812

    申请日:2008-06-27

    IPC分类号: H04W48/12

    摘要: Systems and methodologies are described that facilitate transmitting control information in wireless networks. Portions of bandwidth can be blanked for transmitting control information, and the control information transmitters can utilize beacon symbols to convey the control information. In this regard, interference is mitigated with respect to data transmissions over the control information bandwidth. Selected frequencies of the beacon symbols in a codeword can be used to indicate the control information. The codewords can be encoded with an error control code to provide redundancy for decoding in the presence of some interference.

    摘要翻译: 描述了有助于在无线网络中发送控制信息的系统和方法。 可以将部分带宽消隐以发送控制信息,并且控制信息发射机可以利用信标符号来传达控制信息。 在这方面,相对于控制信息带宽上的数据传输,减轻了干扰。 可以使用码字中的信标符号的选定频率来指示控制信息。 可以用错误控制码对码字进行编码,以在存在一些干扰的情况下提供用于解码的冗余。

    Uplink scheduling for fairness in channel estimation performance
    83.
    发明授权
    Uplink scheduling for fairness in channel estimation performance 失效
    上行链路调度在信道估计性能方面的公平性

    公开(公告)号:US08792922B2

    公开(公告)日:2014-07-29

    申请号:US11680233

    申请日:2007-02-28

    IPC分类号: H04B15/00

    CPC分类号: H04W72/1231 H04W72/1268

    摘要: Systems and methodologies are described that facilitate mitigation of interference through uplink scheduling in a wireless communication environment. Access points can assign multiple terminals to a single tile or segment of shared resource (e.g., a time frequency region) to maximize the number of terminals supported. However, combinations of certain types of terminals can cause a significant increase in interference. In particular, allocating multiple terminals having a relatively high velocity (e.g., terminals located in moving vehicles) to a single tile can cause an unacceptable increase in interference. To mitigate interference, high velocity terminals can be identified. Once identified, terminals can be allocated to the available tiles based at least in part upon avoiding combinations that result in a significant increase in interference.

    摘要翻译: 描述了通过无线通信环境中的上行链路调度促进减轻干扰的系统和方法。 接入点可以将多个终端分配给单个瓦片或共享资源段(例如,时间频率区域),以最大化所支持的终端的数量。 然而,某些类型的终端的组合可能导致干扰的显着增加。 特别地,将具有较高速度的多个终端(例如,位于移动车辆中的终端)分配到单个瓦片可能导致不可接受的干扰增加。 为了减轻干扰,可以确定高速终端。 一旦被识别,终端可以至少部分地基于避免导致干扰显着增加的组合而被分配给可用的瓦片。

    Varied transmission time intervals for wireless communication system

    公开(公告)号:US08787347B2

    公开(公告)日:2014-07-22

    申请号:US12389089

    申请日:2009-02-19

    IPC分类号: H04J3/24

    CPC分类号: H04W72/1231

    摘要: Embodiments describe a varied transmission time interval in wireless communication system. According to some embodiments is a method for assigning a transmission time interval. The method can include measuring a channel condition and/or a data rate of packet communicated by at least one wireless device. Based in part on the data rate and/or channel condition information, a determination can be made whether to schedule a long transmission time interval or a short transmission time interval to the packet. A long transmission time interval can be scheduled if the channel condition is poor and/or there is a low data rate. A short transmission time interval can be scheduled if the channel condition is good and/or the data rate is high or fast. The method can be repeated for multiple wireless devices. Also included is an alternative interlacing structure that supports both long transmission time intervals and short transmission time intervals.

    Signal acquisition for wireless communication systems
    85.
    发明授权
    Signal acquisition for wireless communication systems 有权
    无线通信系统的信号采集

    公开(公告)号:US08780936B2

    公开(公告)日:2014-07-15

    申请号:US11751474

    申请日:2007-05-21

    申请人: Alexei Gorokhov

    发明人: Alexei Gorokhov

    IPC分类号: H04J3/16 H04L27/26

    CPC分类号: H04L27/2613

    摘要: Systems and methodologies are described that facilitate signal acquisition in a wireless communication system on one or more frequency carriers corresponding to a portion of the deployed bandwidth in a wireless communication environment. By communicating using carriers that include only a portion of the total system bandwidth, channels used for communication in a carrier may be less dispersive than channels used for communication across the entire bandwidth. Thus, the amount of transmit power required for devices in the system may be reduced. Further, the carriers may be divided from the deployed system bandwidth such that each carrier is sufficiently large to minimize the effects of fading on component frequency response, thereby further optimizing system performance.

    摘要翻译: 描述了在无线通信系统中在与无线通信环境中部署的带宽的一部分相对应的一个或多个频率载波上促进信号采集的系统和方法。 通过使用仅包括总系统带宽的一部分的载波进行通信,用于载波中的通信的信道可能比用于在整个带宽上的通信使用的信道分散。 因此,可以减少系统中的设备所需的发射功率量。 此外,载波可以从所部署的系统带宽中分离,使得每个载波足够大以使得衰落对分量频率响应的影响最小化,从而进一步优化系统性能。

    Sector interference management based on inter-sector performance
    86.
    发明授权
    Sector interference management based on inter-sector performance 有权
    基于部门间业绩的行业干扰管理

    公开(公告)号:US08768372B2

    公开(公告)日:2014-07-01

    申请号:US12260834

    申请日:2008-10-29

    IPC分类号: H04W4/00

    摘要: Providing fairness-based metrics for managing inter-sector interference of a mobile AN is described herein. By way of example, accumulation of resource utilization messages (RUMs) at a sector of the mobile AN can be based at least in part on a performance metric of that sector as compared with one or more neighboring sectors. In at least one aspect, performance metrics of multiple sectors of the mobile AN can be aggregated and a RUM accumulation rate of each sector is determined based on the aggregated metric. Accumulation rates can further be updated periodically as sector and/or aggregated metrics of the mobile AN change. Accordingly, accumulation and utilization of RUMs is based on inter-sector fairness to optimize overall wireless communication quality of service for the mobile AN.

    摘要翻译: 本文描述了提供用于管理移动AN的扇区间干扰的基于公平的度量。 作为示例,移动AN的扇区处的资源利用消息(RUM)的累积可以至少部分地基于与一个或多个相邻扇区相比该扇区的性能度量。 在至少一个方面,可以聚合移动AN的多个扇区的性能度量,并且基于聚合度量确定每个扇区的RUM累积速率。 随着移动AN的扇区和/或聚合度量的变化,累积率可以进一步定期更新。 因此,RUM的积累和利用基于跨部门公平性来优化移动AN的整体无线通信服务质量。

    Signal acquisition in a wireless communication system
    87.
    发明授权
    Signal acquisition in a wireless communication system 有权
    无线通信系统中的信号采集

    公开(公告)号:US08738056B2

    公开(公告)日:2014-05-27

    申请号:US11751467

    申请日:2007-05-21

    IPC分类号: H04B15/00 H04W4/00 H04B7/00

    摘要: Systems and methodologies are described that generate pilots for signal acquisition in a wireless communication system based on time domain sequences. The pilots may be generated by a base station and transmitted in a pilot field to one or more access terminals to aid in signal acquisition at each of the access terminals. One of the pilots may be common to all access points in the wireless communication system, thereby allowing an access terminal to obtain a timing estimate for the system while minimizing the effects of interference variations between base stations. Further, one or more generated pilots may be unique to each access point in order to allow each respective access point to be identified by its generated pilots.

    摘要翻译: 描述了在基于时域序列的无线通信系统中生成用于信号采集的导频的系统和方法。 导频可以由基站产生并在导频字段中发送到一个或多个接入终端,以帮助在每个接入终端处的信号采集。 其中一个导频对于无线通信系统中的所有接入点可能是共同的,从而允许接入终端获得系统的定时估计,同时最小化基站之间的干扰变化的影响。 此外,一个或多个生成的导频可以对于每个接入点是唯一的,以便允许通过其生成的导频来识别每个相应的接入点。

    Method and apparatus for keep-alive bits transmission
    89.
    发明授权
    Method and apparatus for keep-alive bits transmission 失效
    用于保持位传输的方法和装置

    公开(公告)号:US08693407B2

    公开(公告)日:2014-04-08

    申请号:US11852449

    申请日:2007-09-10

    IPC分类号: H04W4/00 H04W72/00

    摘要: Systems and methodologies are described that provide techniques for managing persistent resource assignments in a wireless communication system. An access point can generate a bitmap by mapping access terminals having persistent assignments for traffic channels to a series of bitmap bits that provide keep-alive indications for the access terminals. The bitmap can then be provided as a common keep-alive message in a broadcast or multicast transmission to the access terminals. The keep-alive message can further include CRC bits for error prevention. An access terminal, upon receiving the keep-alive message, can then determine whether a bitmap bit in the keep-alive message corresponding to the access terminal conveys a keep-alive indication for the terminal and utilize its persistently assigned traffic channels accordingly.

    摘要翻译: 描述了提供用于管理无线通信系统中的持续资源分配的技术的系统和方法。 接入点可以通过将具有用于业务信道的持续分配的接入终端映射到为接入终端提供保持活动指示的一系列位图位来生成位图。 然后,位图可以作为在接入终端的广播或多播传输中的公共保持活动消息来提供。 保持活动消息还可以包括用于防止错误的CRC比特。 接入终端在接收到保持活动消息后,可以确定对应于接入终端的保持活动消息中的位图比特是否对终端传送保持活动指示,并相应地利用其持续分配的业务信道。

    Efficient channel structure for a wireless communication system
    90.
    发明授权
    Efficient channel structure for a wireless communication system 有权
    无线通信系统的高效通道结构

    公开(公告)号:US08583132B2

    公开(公告)日:2013-11-12

    申请号:US11750217

    申请日:2007-05-17

    IPC分类号: H04W72/00 H04W4/00

    CPC分类号: H04L5/0055 H04L5/0007

    摘要: Systems and methodologies are described that provide efficient channel assignment and communication for a wireless communication network. System resources can be allocated for a traffic channel for communication between a base station and a terminal in a physical layer frame, a portion of which can be made available for an acknowledgement channel. Resources for the acknowledgement channel can then be allocated such that the resources allocated for the acknowledgement channel occupy only a portion of the resources available for the acknowledgement channel within the resources allocated for the traffic channel. By scheduling the acknowledgement channel such that it occupies only a portion of the resources available to it, traffic data and acknowledgements can be communicated in the wireless communication system on their respective channels more efficiently.

    摘要翻译: 描述了为无线通信网络提供有效的信道分配和通信的系统和方法。 可以为物理层帧中的基站和终端之间的通信的业务信道分配系统资源,其中一部分可用于确认信道。 然后可以分配用于确认信道的资源,使得分配给确认信道的资源仅占用于为业务信道分配的资源中的可用于确认信道的资源的一部分。 通过调度确认信道,使得它仅占用可用资源的一部分,可以更有效地在无线通信系统中在其各自的信道上传送业务数据和确认。