RANDOM ACCESS COMMUNICATION OPPORTUNITY METHOD

Title:

RANDOM ACCESS COMMUNICATION OPPORTUNITY METHOD

Document Type and Number:

WIPO Patent Application WO2005022809

Kind Code:

A3

Abstract:

During a random access communication opportunity (12), user equipment (20) utilizes either or both of an adaptive modulation and coding-based communication protocol (26) and an HARQ-based communication protocol (27) to achieve improved performance. This can avoid the need to establish dedicated channels (13) to support the required communications. In one embodiment, a plurality of adaptive modulation and coding-based communication protocols are provided with a given protocol being selected as a function of one or more governing criteria. For example, the protocol can be selected as a function of a quality condition of the communication path, as a function of a memory buffer, and so forth.

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Inventors:

GHOSH AMITAVA (US)
LOVE ROBERT T (US)
WHINNETT NICK W (GB)

Application Number:

PCT/US2004/027340

Publication Date:

May 19, 2005

Filing Date:

August 23, 2004

Export Citation:

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Assignee:

MOTOROLA INC (US)
GHOSH AMITAVA (US)
LOVE ROBERT T (US)
WHINNETT NICK W (GB)

International Classes:

H04L1/00; H04L1/16; H04L1/18; H04W88/06; H04W36/16; H04W88/10; (IPC1-7): H04Q7/00

Foreign References:

US5621723A	1997-04-15
US5850392A	1998-12-15

Other References: