Method for indicating usable channel for transmitting up link access requesting
An access request and channel technology, applied in the field of indicating available channels for sending uplink access requests
Active Publication Date: 2006-11-15
HUAWEI TECH CO LTD
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[0016] In view of this, the main purpose of the present invention is to provide a method for indicating the available channels for sending uplink access requests. This method can not only indicate the channel in the trunking group on the network side of the trunking system that supports the 1.5 channel realization method and the 1.0 channel realization method at the same time. The user uses an idle uplink channel to send an uplink access request, and it can solve the problem of first assigning an uplink group call channel to the speaking party in the trunking system network side that supports both the 1.5 channel implementation method and the 1.0 channel implementation method in the 1.5 channel implementation method. When reassigning the dedicated uplink channel for speaking, the listener cannot initiate an uplink access request through the uplink group call channel occupied by the talker
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[0036] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail by giving specific embodiments and referring to the accompanying drawings.
[0037] When the trunking system network side supports the 1.5 channel implementation method and the 1.0 channel implementation method at the same time, regardless of whether the trunking system network side is currently using the 1.5 channel implementation method or the 1.0 channel implementation method, the user in the trunking group sends an uplink access request. The uplink channel can only be the uplink group call channel allocated when the group call is set up or the RACH in the trunking group. Therefore, the method provided by the present invention can uniformly use the downlink channel to send an indication message to indicate which uplink channel the users in the trunking group can use to send uplink access regardless of the channel...
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This invention discloses a method for instructing sending an up access request of available channels including: when an up multi-call channel of a cluster group is occupied, the cluster system network side sends the information that the up multi-call channel is not available at present to the user in the group, which sends an up access request to the network side of the system by the up channel, when the channel is not occupied, the network side sends the information that the up multi-call channel is available at present to the user in the group, which sends an up access request to the network side of the cluster system by the channel.
Description
technical field [0001] The invention relates to the technique of seizing an uplink channel for speaking in a trunking wireless communication system, and particularly relates to a method for indicating an available channel for sending an uplink access request. Background technique [0002] Trunking wireless communication system, hereinafter referred to as trunking system, is a relatively economical and flexible command and dispatch communication system developed in recent years, widely used in government agencies, energy transportation, airport terminals, industrial and mining enterprises, fire police, water conservancy and The military and other units are used to meet the needs of internal communication of each unit. [0003] The most basic service provided by the trunking system is the Voice Group Call Service (VGCS). VGCS allows a user to establish a call with multiple users within a group group with the same group identification (ID) belonging to a given service area con...
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IPC IPC(8): H04Q7/28
Inventor 柳光陈德
Owner HUAWEI TECH CO LTD