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    • 2. 发明申请
    • Method for Improving Paging Speed of a Called User in Cdma Trunking System
    • 提高Cdma中继系统中被叫用户寻呼速度的方法
    • US20080317144A1
    • 2008-12-25
    • US12097810
    • 2005-12-26
    • Chi HuangMengjiao DingJinlong Liu
    • Chi HuangMengjiao DingJinlong Liu
    • H04L27/28
    • H04W68/02H04W4/10H04W76/45
    • The present invention discloses a method for improving paging speed of a called user in CDMA trunking system. For a first trunking terminal supporting minus time slot call manner, said method includes: it makes minus time slot paging cycles of the first trunking terminal and a trunking core network keep synchronous; the first trunking terminal selects a minus time slot paging cycle to calculate a paging time slot according to the presence of its own minus time slot paging cycle and the presence of a minus time slot paging cycle contained in an overhead message of a call channel, and monitors the call channel on the calculated paging time slot; the base station system selects a minus time slot paging cycle to calculate a paging time slot of the user according to the presence of its own minus time slot paging cycle and the presence of a minus time slot paging cycle contained in a paging request message, and transmits a paging message on the call channel according to the calculated paging time slot. The method of the present invention effectively shortens the duration of establishment of a trunking call, and simultaneously maintains the compatibility for the existing trunking terminals.
    • 本发明公开了一种在CDMA集群系统中提高被叫用户的寻呼速度的方法。 对于支持减时隙呼叫方式的第一中继终端,所述方法包括:使得第一集群终端的负时隙寻呼周期和中继核心网保持同步; 第一集群终端选择负时隙寻呼周期,根据其自己的减时间寻呼周期的存在和包含在呼叫信道的开销消息中的负时隙寻呼周期的存在来计算寻呼时隙,以及 在计算出的呼叫时隙上监听呼叫信道; 基站系统根据存在自己的负时隙寻呼周期以及包含在寻呼请求消息中的负时隙寻呼周期的存在来选择负时隙寻呼周期来计算用户的寻呼时隙,以及 根据计算出的寻呼时隙在呼叫信道上发送寻呼消息。 本发明的方法有效地缩短了建立中继呼叫的持续时间,同时保持了现有集群终端的兼容性。
    • 3. 发明授权
    • Method of digital trunked communication system fast call setup
    • 数字集群通信系统快速呼叫建立方法
    • US07702348B2
    • 2010-04-20
    • US11570387
    • 2004-12-29
    • Yuhong XueYingnan LiuJinlong Liu
    • Yuhong XueYingnan LiuJinlong Liu
    • H04B7/00H04M3/42H04W4/00
    • H04W84/08
    • The present invention discloses a method of fast call setup in digital trunking communication system, including: the terminal user initiating a PTT call; the base station receiving said PTT call request, assigning channel resource for the call, establishing forward service channel according to the distribution of channel, transmitting an empty frame on the forward service channel and at the same time transmitting an extended channel assignment message to specify the service channel assigned for the terminal; after receiving the extended channel assignment message, the terminal user opening the receiver to track and acquire the forward service channel, and at the same time transmitting one or more prefix-frame on the reverse service channel or reverse pilot channel; the base station or the terminal performing the operation of acquisition of service channel, if the acquisition succeeds, the call setup is successful, if the acquisition fails, the call setup is failed and enters release flow. The method of the present invention adopts a mode of overlapping of signaling handshake and channel acquisition, so as to advance the signaling handshake, reduce call accessing time, and realize fast call setup.
    • 本发明公开了一种数字集群通信系统中快速呼叫建立的方法,包括:终端用户发起PTT呼叫; 所述基站接收到所述PTT呼叫请求,为所述呼叫分配信道资源,根据所述信道分配建立前向业务信道,在所述前向业务信道上发送空帧,同时发送扩展信道分配消息, 为终端分配的业务通道; 在接收到扩展信道分配消息之后,终端用户打开接收机跟踪并获取前向业务信道,同时在反向业务信道或反向导频信道上发送一个或多个前缀帧; 基站或终端执行业务信道的获取操作,如果获取成功,则呼叫建立成功,如果采集失败,则呼叫建立失败并进入释放流程。 本发明的方法采用信令握手和信道采集重叠的方式,提升信令握手速度,减少呼叫接入时间,实现快速呼叫建立。
    • 5. 发明授权
    • Method for improving paging speed of a called user in CDMA trunking system
    • 用于提高CDMA集群系统中被叫用户的寻呼速度的方法
    • US08050692B2
    • 2011-11-01
    • US12097810
    • 2005-12-26
    • Chi HuangMengjiao DingJinlong Liu
    • Chi HuangMengjiao DingJinlong Liu
    • H04W68/00
    • H04W68/02H04W4/10H04W76/45
    • The present invention discloses a method for improving paging speed of a called user in CDMA trunking system. For a first trunking terminal supporting minus time slot call manner, said method includes: it makes minus time slot paging cycles of the first trunking terminal and a trunking core network keep synchronous; the first trunking terminal selects a minus time slot paging cycle to calculate a paging time slot according to the presence of its own minus time slot paging cycle and the presence of a minus time slot paging cycle contained in an overhead message of a call channel, and monitors the call channel on the calculated paging time slot; the base station system selects a minus time slot paging cycle to calculate a paging time slot of the user according to the presence of its own minus time slot paging cycle and the presence of a minus time slot paging cycle contained in a paging request message, and transmits a paging message on the call channel according to the calculated paging time slot. The method of the present invention effectively shortens the duration of establishment of a trunking call, and simultaneously maintains the compatibility for the existing trunking terminals.
    • 本发明公开了一种在CDMA集群系统中提高被叫用户的寻呼速度的方法。 对于支持减时隙呼叫方式的第一中继终端,所述方法包括:使得第一集群终端的负时隙寻呼周期和中继核心网保持同步; 第一集群终端选择负时隙寻呼周期,根据其自己的减时间寻呼周期的存在和包含在呼叫信道的开销消息中的负时隙寻呼周期的存在来计算寻呼时隙,以及 在计算出的呼叫时隙上监听呼叫信道; 基站系统根据存在自己的负时隙寻呼周期以及包含在寻呼请求消息中的负时隙寻呼周期的存在来选择负时隙寻呼周期来计算用户的寻呼时隙,以及 根据计算出的寻呼时隙在呼叫信道上发送寻呼消息。 本发明的方法有效地缩短了建立中继呼叫的持续时间,同时保持了现有集群终端的兼容性。
    • 8. 发明申请
    • METHOD OF SETTING THE DISPATCH AREA BASED ON THE CLUSTER SYSTEM OF CDMA TECHNOLOGY
    • 基于CDMA技术的集群系统设置分配区域的方法
    • US20090111455A1
    • 2009-04-30
    • US12064553
    • 2005-08-23
    • Zhigang WenMengjiao DingJinlong Liu
    • Zhigang WenMengjiao DingJinlong Liu
    • H04M11/00H04W4/00
    • H04W4/10H04W60/00H04W76/45H04W84/08
    • The present invention relates to a method for allocating dispatch service areas for trunking system based on code division multiple access technology, comprising: dividing the service area of a trunking system into a plurality of dispatch location areas geographically not overlapping each other; assigning one or a plurality of dispatch location areas as dispatch service area for each fleet on the push-to-talk home register of above trunking system; assigning dispatch service areas for groups of above fleet, wherein the dispatch service areas of the groups should be full set or subset of the fleet's dispatch service area; synchronizing information of dispatch service areas from network side to mobile station by updating user information; system parameter message of base station has the information of dispatch location area that this cell belong to, to inform the mobile station whether it is out of a dispatch service area, and the push-to-talk home register will control the trunking conversation of said mobile station based on whether the mobile station locates in the dispatch service area. The present invention is capable of meeting the requirements for performing the service functions of the trunking system, such as out-the-dispatch-area indication and service area selection.
    • 本发明涉及一种基于码分多址技术为集群系统分配调度服务区的方法,包括:将集群系统的服务区划分为地理上不重叠的多个调度位置区; 将一个或多个调度位置区域分配为上述中继系统的一键通家庭寄存器上的每个车队的调度服务区域; 为上述车队组派遣调度服务区,其中各组的调度服务区域应为船队调度服务区的全部或子集; 通过更新用户信息将调度服务区域的信息同步到网络侧到移动台; 基站的系统参数消息具有该小区属于的分配位置区域的信息,通知移动台是否在调度服务区域外,一键通家庭寄存器将控制所述移动台 移动台基于移动台是否位于调度服务区。 本发明能够满足执行中继系统的服务功能的要求,例如出局区域指示和服务区域选择。
    • 9. 发明申请
    • Method of Digital Trunked Communication System Fast Call Setup
    • 数字集群通信系统快速呼叫设置方法
    • US20080161032A1
    • 2008-07-03
    • US11570387
    • 2004-12-29
    • Yuhong XueYingnan LiuJinlong Liu
    • Yuhong XueYingnan LiuJinlong Liu
    • H04B7/00
    • H04W84/08
    • The present invention discloses a method of fast call setup in digital trunking communication system, including: the terminal user initiating a PTT call; the base station receiving said PTT call request, assigning channel resource for the call, establishing forward service channel according to the distribution of channel, transmitting an empty frame on the forward service channel and at the same time transmitting an extended channel assignment message to specify the service channel assigned for the terminal; after receiving the extended channel assignment message, the terminal user opening the receiver to track and acquire the forward service channel, and at the same time transmitting one or more prefix-frame on the reverse service channel or reverse pilot channel; the base station or the terminal performing the operation of acquisition of service channel, if the acquisition succeeds, the call setup is successful, if the acquisition fails, the call setup is failed and enters release flow. The method of the present invention adopts a mode of overlapping of signaling handshake and channel acquisition, so as to advance the signaling handshake, reduce call accessing time, and realize fast call setup.
    • 本发明公开了一种数字集群通信系统中快速呼叫建立的方法,包括:终端用户发起PTT呼叫; 所述基站接收到所述PTT呼叫请求,为所述呼叫分配信道资源,根据所述信道分配建立前向业务信道,在所述前向业务信道上发送空帧,同时发送扩展信道分配消息, 为终端分配的业务通道; 在接收到扩展信道分配消息之后,终端用户打开接收机跟踪并获取前向业务信道,同时在反向业务信道或反向导频信道上发送一个或多个前缀帧; 基站或终端执行业务信道的获取操作,如果获取成功,则呼叫建立成功,如果采集失败,则呼叫建立失败并进入释放流程。 本发明的方法采用信令握手和信道采集重叠的方式,提升信令握手速度,减少呼叫接入时间,实现快速呼叫建立。