Data transmission in mobile communication system

A technology of data transmission and mobile communication network, applied in the field of power control of the control channel, can solve the problems that errors cannot be increased, data transmission is unnecessary, etc., and achieve the effect of fast power control
CN101099356AActive Publication Date: 2008-01-02NOKIA TECHNOLOGLES OY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NOKIA TECHNOLOGLES OY
Publication Date
2008-01-02

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Abstract

A transmitter is included in a mobile communication network. The transmitter is included configured to transmit to a receiver a data channel and a first control channel controlling data transmissions on the data channel, transmit, on the first control channel, an indicator indicating that there is data transmission to the receiver on the data channel. The transmitter also is configured to omit data transmission on the data channel.
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Description

technical field

[0001] The invention relates to power control of control channels in mobile communication networks. Background technique

[0002] High Speed ​​Downlink Packet Access (HSPDA) is a key feature of Wideband Code Division Multiple Access (WCDMA) that provides high data rate transmission in the CDMA downlink to support multimedia services. Downlink data transmission is provided by a High Speed ​​Physical Shared Control Channel (HS-SCCH) for HS-DSCH and a High Speed ​​Physical Downlink Shared Channel (HS-DSCH) associated with the control channel. The control channel provides the terminal with information that data for that terminal has arrived on the data channel.

[0003] The prior art does not introduce a power control mechanism for the control channel prior to data transmission on the data channel. The power of the control channel can be adjusted by applying an open and closed power control mechanism only when data transmission has started.

[0004] One of the...

Claims

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