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    • 1. 发明授权
    • Primary control signal bus selection for radio heads based on propagation delay
    • 基于传播延迟的无线电头的主控信号总线选择
    • US06788961B2
    • 2004-09-07
    • US09963750
    • 2001-09-26
    • Joseph A. RepiceJohnny D. Shepherd
    • Joseph A. RepiceJohnny D. Shepherd
    • H04B138
    • H04W92/20H04W88/085
    • The selection of the primary control signal bus to use for a given radio head is based on propagation delay to the relevant radio head. A plurality of radio heads are cascaded in a chain with buffered error correction therebetween. At least first and second control interfaces connect to the chain and supply control information thereto via respective control signal busses, which may be virtual busses. The propagation delay from a first control interface to a first radio head over a first bus is determined. Likewise, the propagation delay from a second control interface to the first radio head over a second bus is determined. Thereafter, the radio head determines which control signal bus to select as its primary control signal bus based on the respective propagation delays between the first radio head and the first and second control interfaces.
    • 用于给定无线电头的主控制信号总线的选择是基于到相关无线电头的传播延迟。 多个无线电头级联在链中,其间具有缓冲的纠错。 至少第一和第二控制接口连接到链路,并通过可以是虚拟总线的各个控制信号总线向其提供控制信息。 确定通过第一总线从第一控制接口到第一无线电头的传播延迟。 同样地,确定了通过第二总线从第二控制接口到第一无线电头的传播延迟。 此后,无线电头基于第一无线电头与第一和第二控制接口之间的相应传播延迟来确定要选择哪个控制信号总线作为其主控信号总线。
    • 2. 发明授权
    • Radio heads and methods and systems for communicating data between radio heads
    • 无线电头和用于在无线电头之间传送数据的方法和系统
    • US07190682B2
    • 2007-03-13
    • US10097967
    • 2002-03-14
    • Johnny ShepherdJoseph A. RepiceJeff Seifert
    • Johnny ShepherdJoseph A. RepiceJeff Seifert
    • H04Q7/24
    • H04B7/2643
    • Radio heads, methods and systems are provided for communicating data in a radio communications system. The data communications system includes first and second radio heads. The first radio head has at least first and second transceivers. The first radio head includes a first control processor coupled with each of the at least first and second transceivers wherein the first control processor receives a first plurality of timeslots including at least one control timeslot. The first control processor reads control information from the at least one control timeslot of the first plurality of timeslots and provides the control information from the at least one control timeslot of the first plurality of timeslots to each of the first and second transceivers. Finally, the first control processor generates a second plurality of timeslots. The second radio head includes at least third and fourth transceivers. The second radio head further includes a second control processor coupled with each of the at least third and fourth transceivers wherein the second control processor receives the second plurality of timeslots including at least one control timeslot from the first control processor and reads control information from the at least one control timeslot of the second plurality of timeslots. The control processor further provides the control information from the at least one control timeslot of the second plurality of timeslots to each of the third and fourth transceivers.
    • 提供用于在无线电通信系统中传送数据的无线电头,方法和系统。 数据通信系统包括第一和第二无线电头。 第一个无线电头具有至少第一和第二收发器。 第一无线电头包括与至少第一和第二收发器中的每一个耦合的第一控制处理器,其中第一控制处理器接收包括至少一个控制时隙的第一多个时隙。 第一控制处理器从第一多个时隙的至少一个控制时隙读取控制信息,并将控制信息从第一多个时隙的至少一个控制时隙提供给第一和第二收发器中的每一个。 最后,第一控制处理器产生第二多个时隙。 第二无线电头包括至少第三和第四收发器。 第二无线电头还包括与至少第三和第四收发器中的每一个耦合的第二控制处理器,其中第二控制处理器从第一控制处理器接收包括至少一个控制时隙的第二多个时隙,并从第 第二多个时隙的至少一个控制时隙。 控制处理器还将控制信息从第二多个时隙的至少一个控制时隙提供给第三和第四收发器中的每一个。