Apparatus and method for controlling hybrid automatic repeat...

Details Apparatus and method for controlling hybrid automatic repeat... Apparatus and method for controlling hybrid automatic repeat...

2004-03-08

2009-12-29

D'Agosta, Stephen M (Department: 2617)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S209000, C370S216000, C370S282000, C370S320000, C370S335000, C370S338000, C370S349000, C455S450000, C455S454000, C455S522000, C714S748000, C714S749000

Reexamination Certificate

active

07639659

ABSTRACT:
A Hybrid Automatic Repeat reQuest (HARQ) control apparatus and method for detecting a message received over a packet data control channel in a mobile communication system are provided in which a base station transmits a packet data control message over at least one packet data control channel and transmits packet data to a mobile station over a packet data channel. A control channel decoder decodes a control message received over the packet data control channel. Based on the decoded control message, the HARQ controller determines at least one of whether to perform demodulation and decoding on a packet received over the packet data channel, whether to update a Walsh mask, and whether to perform state transition on the mobile station. The HARQ controller based on the determination performs at least one of the following functions: outputs demodulation and decoding parameters, updates a Walsh mask, and outputs a state transition value to an upper layer. A data channel demodulator demodulates packet data received over the packet data channel upon receiving a demodulation parameter from the HARQ controller. A decoder decodes the packet data demodulated by the data channel demodulator upon receiving a decoding parameter from the HARQ controller.

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