Method for Implementing Trunking Service, Evolved Node B and Terminal

A method for implementing a trunking service, applied to a long term evolution system, comprising:

• an evolved node B, after receiving a trunking call request message, issuing a trunking paging message to a listening terminal in a trunking group of a calling terminal on a trunking paging control channel (TPCCH) in a downlink direction, wherein, the TPCCH is used for bearing the trunking paging message.

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A method for implementing a trunking service, applied to a long term evolution system, comprising:

• an evolved node B paging a listening terminal, and establishing a trunking group traffic channel (TGTCH) and a trunking group control channel TGCCH in a downlink direction in a cell to which the paged listening terminal belongs, wherein, the TGTCH is used for bearing downlink service data of the trunking service, and the TGCCH is used for bearing a downlink control message of the trunking service.

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An evolved node B, comprising a receiving unit, wherein,

• the receiving unit is configured to:
• receive a call request message sent by a calling terminal in a trunking common control channel (TCCCH) in an uplink direction, wherein, the TCCCH is used for bearing an uplink message of a trunking terminal.

An evolved node B, comprising a first channel establishment unit, wherein:

• the first channel establishment unit is configured to:
• establish a trunking group traffic channel (TGTCH) and a trunking group control channel TGCCH in a downlink direction in a cell to which the paged listening terminal belongs, wherein, the TGTCH is used for bearing downlink service data of the trunking service, and the TGCCH is used for bearing a downlink control message of the trunking service.

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A terminal, comprising a call request unit, wherein:

• the call request unit is configured to:
• send a call request message to an evolved node B on a trunking common control channel (TCCCH) in an uplink direction, wherein, the TCCCH is used for bearing an uplink message of a trunking terminal.