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    CDMA mobile communication scheme with effective use of sector configuration
    9.
    发明授权
    CDMA mobile communication scheme with effective use of sector configuration 失效
    CDMA移动通信方案有效利用扇区配置

    公开(公告)号：US6011787A

    公开(公告)日：2000-01-04

    申请号：US821347

    申请日：1997-03-20

    申请人： Etsuhiro Nakano ,  Takehiro Nakamura ,  Seizo Onoe

    发明人： Etsuhiro Nakano ,  Takehiro Nakamura ,  Seizo Onoe

    IPC分类号： H04B7/08 ,  H04W16/00 ,  H04W16/02 ,  H04W16/24 ,  H04W48/12 ,  H04B7/216 ,  H04B1/69

    CPC分类号： H04W16/02 ,  H04B7/0857 ,  H04W16/00 ,  H04W48/12 ,  H04W16/24

    摘要： A CDMA mobile communication scheme capable of increasing a number of sectors while not increasing a number of perch channel spread codes and not jamming the control channel traffic, so as to obtain the capacity increase effect by the use of the sector configuration effectively. At the base station, a perch channel spread by an identical perch channel spread code assigned to the base station is transmitted from each one of at least two sectors of the base station. Then, upward signals from each mobile station are received at more than one reception sectors, the upward signals received at more than one reception sectors are despread by using an identical uplink spread code, and a maximal ratio combining of despread upward signals is carried out, in a case of carrying out a simultaneous reception at more than one reception sectors. Also, downward signals are spread by using an identical downlink spread code, and spread downward signals are transmitted from more than one transmission sectors to each mobile station, in a case of carrying out a simultaneous transmission from more than one transmission sectors.

    摘要翻译： 一种CDMA移动通信方式，能够增加多个扇区，同时不增加多个导频信道扩频码，而不会使控制信道业务干扰，从而有效地利用扇区配置来获得容量增加效果。 在基站，由基站的至少两个扇区中的每一个发送由分配给基站的相同的导频信道扩频码扩频的导频信道。 然后，在多个接收扇区接收来自每个移动站的上行信号，通过使用相同的上行链路扩展码对在多于一个的接收扇区接收到的上行信号进行解扩，并且执行去扩展的上行信号的最大比组合， 在多个接收扇区进行同时接收的情况下。 此外，在从多个传输扇区进行同时传输的情况下，通过使用相同的下行链路扩展码扩展向下的信号，并且从多个传输扇区向每个移动台发送扩展向下的信号。

    Cell selection scheme in CDMA mobile communication system using spread codes and spread code phases
    10.
    发明授权
    Cell selection scheme in CDMA mobile communication system using spread codes and spread code phases 失效
    CDMA移动通信系统中使用扩频码和扩展码阶段的小区选择方案

    公开(公告)号：US5953326A

    公开(公告)日：1999-09-14

    申请号：US812693

    申请日：1997-03-06

    申请人： Takehiro Nakamura ,  Kouji Ohno ,  Etsuhiro Nakano ,  Seizo Onoe

    发明人： Takehiro Nakamura ,  Kouji Ohno ,  Etsuhiro Nakano ,  Seizo Onoe

    IPC分类号： H04W48/12 ,  H04W48/20 ,  H04J13/02 ,  H04Q7/36

    CPC分类号： H04W48/20 ,  H04W48/12

    摘要： A cell selection scheme in a CDMA mobile communication system which is capable of shortening the cell selection processing time while constructing a mobile communication system with a practically feasible base station configuration. In a CDMA mobile communication system, first type base stations which share a common reference timing are transmitting pilot channels spread by using an identical pilot channel spread code at mutually different spread code phases with respect to the common reference timing where these mutually different spread code phases are assigned to different first type base stations, and second type base stations which do not share the common reference timing are transmitting pilot channels spread by using mutually different pilot channel spread codes at arbitrary spread code phases where these mutually different pilot channel spread codes being assigned to different second type base stations. A mobile station receives these pilot channels and judges a located cell of the mobile station according to receiving levels, pilot channel spread codes and spread code phases of received pilot channels.

    摘要翻译： CDMA移动通信系统中的小区选择方案，其能够在构建具有实际可行的基站配置的移动通信系统的同时缩短小区选择处理时间。 在CDMA移动通信系统中，共享公共基准定时的第一类型基站相对于公共基准定时发送通过使用相同的导频信道扩展码扩展的导频信道，该相同的导频信道扩频码相互不同的扩频码相位 分配给不同的第一类型基站，并且不共享公共基准定时的第二类型基站通过使用相互不同的导频信道扩展码扩展的导频信道，该导频信道扩展码以任意扩频码相位分配，其中分配了相互不同的导频信道扩展码 到不同的第二类型基站。 移动台接收这些导频信道，根据接收到的导频信道的接收电平，导频信道扩频码和扩频码相位来判断移动台的定位小区。