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Data transmission method under cell paging state

A data transmission method and paging status technology, which is applied in the field of third-generation mobile communication systems, can solve the problems of large delays in data transmission and reception, and achieve the effects of reducing transmission delays and improving transmission efficiency

Inactive Publication Date: 2009-04-01
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0005] The present invention provides a data transmission method in the CELL_PCH state to solve the problem that in the existing third-generation mobile communication system, in the CELL_PCH state, when the UE has a dedicated H-RNTI, the time delay of data transmission and reception is relatively large

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Embodiment Construction

[0019] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The cell paging state in the present invention refers to the CELL_PCH state in the existing system. Before sending data to the UE in the CELL_PCH state through the HS-DSCH channel, UTRAN first determines the configuration parameters required to send data or signaling through the HS-DSCH channel in the CELL_PCH state, including the configuration of the HS-SCCH channel, the HS-PDSCH channel configuration, PICH channel configuration, etc. These configuration parameters can be notified to UEs in the CELL_PCH state through cell system broadcast information or dedicated signaling. The UTRAN can also allocate a dedicated H-RNTI to the UE in dedicated signaling as needed. Other configuration parameters used in the CELL_PCH state, such as the configuration of the DRX cycle, are the same as those of the existing syste...

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Abstract

The invention discloses a data transmission method for cell under paging state, belonging to 3G mobile communication system. The method comprises (1)when universal mobile communication system land wireless access network UTRAN is to transmits data to user terminal UE under cell paging state CELL_PCH, if high speed downlink shared channel wireless network temporary mark H-RNTI has been assigned for UE, then sending UE paging instruction at high speed shared control channel Hs-SCCH and high speed downlink physical shared channel HS-PDSCH reception parameter and transmits data to the UE at HS-PDSCH channel; (2) when UE directly monitors HS-SCCH channel at incontinuous reception DRX cycle, if the UE finds the own paging instruction, then receives the data transmitted at the channel using corresponding HS-PDSCH channel reception parameter. The invention can effectively reduce time delay, promotes transmission efficiency.

Description

technical field [0001] The present invention relates to the third generation mobile communication system, in particular to a data transmission method in CELL_PCH (cell paging channel) state. Background technique [0002] In the third-generation mobile communication system, in the enhanced CELL_PCH state, when the UE (User Equipment, user terminal) has a dedicated H-RNTI (HS-DSCH (High Speed ​​Downlink Shared Channel, high-speed downlink shared channel) Radio Network Temporary Identifier, High-speed downlink shared channel wireless network temporary identifier), if UTRAN (UMTS Terrestrial Radio Access Network, Universal Mobile Telecommunications System Terrestrial Radio Access Network) has data to be sent to the UE, or when the UE is to be paged, the UE's DRX (Discontinuous Reception , discontinuous reception) at the receiving moment, UTRAN first sends the paging indication on the PICH (Paging Indicator Channel, paging indicator channel) physical channel, and then sends the p...

Claims

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Application Information

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IPC IPC(8): H04W4/12H04W4/20
Inventor 刘玉平李群陈慧刘隽蔡文洲刘振堃芮华田金凤潘凤艳
Owner ZTE CORP
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