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    • 11. 发明授权
    • Providing handoff in a spread spectrum wireless communications system for high rate packet data
    • 在扩频无线通信系统中为高速率分组数据提供切换
    • US07542448B2
    • 2009-06-02
    • US11241822
    • 2005-09-30
    • Bi QiStanley VitebskyYang Yang
    • Bi QiStanley VitebskyYang Yang
    • H04Q7/00
    • H04W36/18
    • The present invention provides a method and an apparatus for wireless communication between a wireless unit and a set of base stations. The method includes signaling the wireless unit about a plurality of transmissions of same packet data from the set of base stations to enable a soft handoff on a forward link. The plurality of transmissions of same packet data having an unsynchronized relationship. The wireless unit may use a detection/demodulation function, which is capable of simultaneously receiving and decoding signals from two or more sectors (base stations). Instead of soft-combining signals received from multiple cell sectors, the wireless unit independently decodes the received signals. Since soft combining of transmissions is avoided, there is no need to synchronize their transmissions of the same data to a particular wireless unit.
    • 本发明提供一种无线单元与一组基站之间的无线通信的方法和装置。 所述方法包括向所述无线单元发送关于来自所述一组基站的相同分组数据的多个传输的信令,以使能在前向链路上的软切换。 具有不同步关系的相同分组数据的多个传输。 无线单元可以使用能够同时接收和解码来自两个或更多个扇区(基站)的信号的检测/解调功能。 代替将从多个小区扇区接收的信号进行软组合,无线单元独立地解码所接收的信号。 由于避免了传输的软组合,所以不需要将相同数据的传输同步到特定的无线单元。
    • 13. 发明授权
    • Method of scheduling a quality of service level in a high data rate system
    • 在高数据速率系统中调度服务质量水平的方法
    • US06925057B2
    • 2005-08-02
    • US09731213
    • 2000-12-06
    • Terry Si-Fong ChengFrances JiangStanley Vitebsky
    • Terry Si-Fong ChengFrances JiangStanley Vitebsky
    • H04L12/56G01R31/08
    • H04W72/1231H04L47/10H04L47/14H04L47/15H04L47/24H04L47/70H04L47/788H04L47/805H04L47/824
    • The present invention is a method for selectively providing, on demand, a Quality of Service level to an end user's data transmitted from a base station to a mobile station of a High Data Rate system. In the disclosed method, a data base is established which contains the Quality of Service level selected by a mobile user from a plurality of levels for data to be transmitted from the base station to the mobile station. Using the reverse link, an end user at a mobile notifies the base station that it is ready to receive data and specifies the rate at which the data is to be sent. Upon receipt of the request for data from the mobile terminal, the base station accesses and runs a scheduler which determines which user's data is to be transmitted next. For each end user, the scheduler divides the requested data rate by the average rate of data received by the mobile during a specific interval and then combines by adding or multiplying the result with the Quality of Service level requested by the end user for data. The end user that has the greatest final result is normally selected to next receive data. The scheduler then conditions the base station to transmit data to the identified mobile station at the requested rate and selected Quality of Service level.
    • 本发明是一种用于根据需要有选择地向从基站发送到高数据速率系统的移动台的最终用户数据提供服务质量水平的方法。 在所公开的方法中,建立了一个数据库,其中包含由移动用户从基站到移动站发送的数据的多个级别选择的服务质量等级。 使用反向链路,移动终端用户通知基站已准备好接收数据,并指定要发送数据的速率。 在接收到来自移动终端的数据请求时,基站接入并运行调度器,该调度器确定接下来要发送哪个用户的数据。 对于每个最终用户,调度器将所请求的数据速率除以移动台在特定间隔期间接收的平均数据速率,然后通过将结果与最终用户为数据请求的服务质量等级相加或相乘而组合。 通常选择具有最大最终结果的最终用户接下来接收数据。 然后,调度器使基站根据所请求的速率和所选择的服务质量级别对所识别的移动台进行数据传输。
    • 14. 发明授权
    • Distributed trunking mechanism for VHF networking
    • VHF网络分布式中继机制
    • US07933286B2
    • 2011-04-26
    • US11110684
    • 2005-04-21
    • Stanley VitebskyJeffrey A. Kroon
    • Stanley VitebskyJeffrey A. Kroon
    • H04L12/28
    • H04W74/0808H04L29/06H04L69/24H04W76/10H04W76/30H04W84/08
    • A system and method for communicating between nodes in a communications network. The network includes nodes that broadcast and receive data packets over a radio channel. The system includes a distributed trunking method that distributes the communications between the nodes over multiple channels. Voice and other data may be broadcast over data channels, while information regarding the availability of the data channels is broadcast over a control channel. Access to the control channel is controlled using a protocol that may include carrier sense multiple access with collision avoidance (CSMA/CA), time division multiple access (TDMA) or a hybrid of CSMA/TDMA.
    • 一种用于在通信网络中的节点之间进行通信的系统和方法。 该网络包括通过无线电信道广播和接收数据分组的节点。 该系统包括分布式中继方法,其分布在多个信道上的节点之间的通信。 可以通过数据信道广播语音和其他数据,而通过控制信道广播关于数据信道的可用性的信息。 使用可以包括具有冲突避免(CSMA / CA),时分多址(TDMA)或CSMA / TDMA的混合的载波侦听多路访问的协议来控制对控制信道的访问。
    • 18. 发明授权
    • Method and device for MAC layer feedback in a packet communication system
    • 分组通信系统中MAC层反馈的方法和设备
    • US06975611B1
    • 2005-12-13
    • US09517907
    • 2000-03-03
    • Krishna BalachandranSubrahmanyam DravidaRichard P. EjzakSanjiv NandaShiv M. SethStanley Vitebsky
    • Krishna BalachandranSubrahmanyam DravidaRichard P. EjzakSanjiv NandaShiv M. SethStanley Vitebsky
    • H04B7/212H04B7/26
    • H04B7/2612
    • A method and communication device for media access control feedback over a packet channel divided in channel time slots is provided. The channel time slots are divided into sub-channel time slots. A packet channel feedback field associated with each sub-channel time slot is defined. Acknowledgments are indicated using the packet channel feedback field. An active mobile identity associated with an active mobile station may be assigned which would then be included in the packet channel feedback field. A plurality of active mobile identities may be assigned and some of the active mobile identities may be reserved for special functions. The assigned active mobile identity is used, among other things, to identify an active mobile station to receive packet data signals. The active mobility identity is invalidated after one transaction of packet data signals or invalidated after a short number of such transactions. One or more of the assigned active mobile identities may be used to indicate a time slot assignment for the active mobile station. A sub-channel feedback field in the packet channel feedback field is used to indicate acknowledgments. A sub-channel assignment field in the packet channel feedback field is used to indicate time slot assignments. The sub-channel assignment field is substantially independent of the sub-channel feedback field.
    • 提供了一种用于通过以信道时隙划分的分组信道的媒体访问控制反馈的方法和通信设备。 信道时隙被划分为子信道时隙。 定义与每个子信道时隙相关联的分组信道反馈字段。 使用分组信道反馈字段指示致谢。 可以分配与活动移动台相关联的活动移动身份,然后将其包括在分组信道反馈字段中。 可以分配多个活动移动身份,并且可以为特定功能保留一些活动移动身份。 除了别的以外,使用所分配的活动移动身份以识别用于接收分组数据信号的活动移动台。 主动移动身份在分组数据信号的一次交易之后无效,或者在短时间的这种交易之后无效。 分配的活动移动身份中的一个或多个可以用于指示活动移动台的时隙分配。 分组信道反馈字段中的子信道反馈字段用于指示确认。 分组信道反馈字段中的子信道分配字段用于指示时隙分配。 子信道分配字段基本上独立于子信道反馈字段。