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    • 3. 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。
    • 4. 发明申请
    • Forward Channel Sharing Method in Time Division Communication System
    • 时分通信系统中的前向信道共享方法
    • US20080137683A1
    • 2008-06-12
    • US12033852
    • 2008-02-19
    • Zhongshi XieYingnan LiuGuo YangZihua XuYiling LiuZongzheng Li
    • Zhongshi XieYingnan LiuGuo YangZihua XuYiling LiuZongzheng Li
    • H04J3/26
    • H04W72/005H04W4/08H04W4/10H04W72/1273H04W76/45
    • A method for realizing forward channel sharing in time division communication system, which completes group configuration at the cluster control service center server and modifies the attributes of all the users to enable the users to support multi-user packet MUP service, including: (a) the cluster user initiates a group call; the access network allocates a unique group identifier MACIndex for the group call after receiving the call request from the calling cluster user and informs all of the users within the group about this MACIndex (201); (b) after the communication starts (202), the access network packets the user data of one or more groups with multi-userpacket MUP, packets the user data of each group into one sub-p acket and does scheduling, then transmits the packets through forward channel (203); (c) after receiving the MUP packets from the forward channel, the cluster user looks into the MUP packets forthe sub-packet that matches theMACIndexofits group, thereby realizing group communication (204). The present method solves the problem of system delay and supports even more groups.
    • 一种在时分通信系统中实现正向信道共享的方法,完成集群控制服务中心服务器的组配置,修改所有用户的属性,使用户能够支持多用户分组MUP业务,包括:(a) 集群用户启动组呼; 接收网络从主叫群集用户接收到呼叫请求后,为群组呼叫分配一个唯一的组标识符MACIndex,并通知组内所有用户该MACIndex(201)的所有用户; (b)在通信开始(202)之后,接入网络用多用户分组MUP分组一个或多个组的用户数据,将每个组的用户数据分组成一个子表并进行调度,然后发送分组 通过前进通道(203); (c)从前向信道接收到MUP报文后,群集用户查找与MACIndexofits组匹配的子报文的MUP报文,从而实现群组通信(204)。 本方法解决了系统延迟的问题,支持更多的组。
    • 5. 发明申请
    • Forward Channel Sharing Method in Time Division Communication System
    • 时分通信系统中的前向信道共享方法
    • US20110019688A9
    • 2011-01-27
    • US12033852
    • 2008-02-19
    • Zhongshi XieYingnan LiuGuo YangZihua XuYiling LiuZongzheng Li
    • Zhongshi XieYingnan LiuGuo YangZihua XuYiling LiuZongzheng Li
    • H04J3/26
    • H04W72/005H04W4/08H04W4/10H04W72/1273H04W76/45
    • A method for realizing forward channel sharing in time division communication system, which completes group configuration at the cluster control service center server and modifies the attributes of all the users to enable the users to support multi-user packet MUP service, including: (a) the cluster user initiates a group call; the access network allocates a unique group identifier MACIndex for the group call after receiving the call request from the calling cluster user and informs all of the users within the group about this MACIndex (201); (b) after the communication starts (202), the access network packets the user data of one or more groups with multi-userpacket MUP, packets the user data of each group into one sub-p acket and does scheduling, then transmits the packets through forward channel (203); (c) after receiving the MUP packets from the forward channel, the cluster user looks into the MUP packets forthe sub-packet that matches theMACIndexofits group, thereby realizing group communication (204). The present method solves the problem of system delay and supports even more groups.
    • 一种在时分通信系统中实现正向信道共享的方法,完成集群控制服务中心服务器的组配置,修改所有用户的属性,使用户能够支持多用户分组MUP业务,包括:(a) 集群用户启动组呼; 接收网络从主叫群集用户接收到呼叫请求后,为群组呼叫分配一个唯一的组标识符MACIndex,并通知组内所有用户该MACIndex(201)的所有用户; (b)在通信开始(202)之后,接入网络用多用户分组MUP分组一个或多个组的用户数据,将每个组的用户数据分组成一个子表并进行调度,然后发送分组 通过前进通道(203); (c)从前向信道接收到MUP报文后,群集用户查找与MACIndexofits组匹配的子报文的MUP报文,从而实现群组通信(204)。 本方法解决了系统延迟的问题,支持更多的组。
    • 7. 发明授权
    • Forward channel sharing method in time division communication system
    • 时分通信系统中的前向信道共享方法
    • US08351353B2
    • 2013-01-08
    • US12033852
    • 2008-02-19
    • Zhongshi XieYingnan LiuGuo YangZihua XuYiling LiuZongzheng Li
    • Zhongshi XieYingnan LiuGuo YangZihua XuYiling LiuZongzheng Li
    • H04L12/16
    • H04W72/005H04W4/08H04W4/10H04W72/1273H04W76/45
    • A method for realizing forward channel sharing in time division communication system, which completes group configuration at the cluster control service center server and modifies the attributes of all the users to enable the users to support multi-user packet MUP service, including: (a) the cluster user initiates a group call; the access network allocates a unique group identifier MACIndex for the group call after receiving the call request from the calling cluster user and informs all of the users within the group about this MACIndex (201); (b) after the communication starts (202), the access network packets the user data of one or more groups with multi-user packet MUP, packets the user data of each group into one sub-packet and does scheduling, then transmits the packets through forward channel (203); (c) after receiving the MUP packets from the forward channel, the cluster user looks into the MUP packets for the sub-packet that matches the MACIndex of its group, thereby realizing group communication (204). The present method solves the problem of system delay and supports even more groups.
    • 一种在时分通信系统中实现正向信道共享的方法,完成集群控制服务中心服务器的组配置,修改所有用户的属性,使用户能够支持多用户分组MUP业务,包括:(a) 群集用户启动群组呼叫; 接收网络从主叫群集用户接收到呼叫请求后,为群组呼叫分配一个唯一的组标识符MACIndex,并通知组内所有用户该MACIndex(201)的所有用户; (b)在通信开始(202)之后,接入网络将具有多用户分组MUP的一个或多个组的用户数据分组,将每个组的用户数据分组成一个子分组并进行调度,然后发送分组 通过前进通道(203); (c)从前向信道接收到MUP报文后,群集用户查找与其组MACIndex匹配的子报文的MUP报文,从而实现群组通信(204)。 本方法解决了系统延迟的问题,支持更多的组。
    • 8. 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。