ADAPTIVE MODULATION AND OTHER PHYSICAL LEVEL EXTENSIONS IN MULTI-ACCESS SYSTEMS Russian patent published in 2007 - IPC H04L12/403 H04L12/407 H04L27/32 

Abstract RU 2313186 C2

FIELD: method for transferring data signals in communication system with centralized or decentralized organized access to transmission environment with usage of a set of transmission modes.

SUBSTANCE: in accordance to the invention, in a communication system, which is standardized in parallel according to IEEE 802.11a with decentralized organized access to transmission environment, preferably to IEEE 802.11 system with distributed coordination function with usage of a set of transmission modes, pilot-signals are transferred from transmitter to receiver and then cross-reference table is computed by receiver relatively to transmission modes on basis of received pilot-symbols. Cross-reference table is transferred from receiver to transmitter in such a way, that following data exchange may take place on basis of aforementioned cross-reference table. In case of centralized organized access, preferably in IEEE 802.11 system with point coordination function improvement is achieved because already with transmission of cross-reference table the following data is correspondingly adaptively modulated.

EFFECT: increased traffic capacity of a channel in communication system.

3 cl, 8 dwg

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RU 2 313 186 C2

Authors

Bolint Ehdgar

Kern Ral'F

Dates

2007-12-20Published

2003-03-14Filed