TRANSMITTING METHOD AND APPARATUS, AND RECEIVING METHOD AND APPARATUS

PROBLEM TO BE SOLVED: To switch a preamble configuration of a MIMO system. SOLUTION: A storage unit 116 stores a preamble signal defined in a legacy system and a preamble signal defined in a MIMO system. A monitoring unit 112 monitors the existence of any communication apparatus which is not compati...

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Bibliographic Details
Main Authors HIGASHIDA NORIO, NAKAO SHIYOUGO, TANAKA YASUHIRO
Format Patent
LanguageEnglish
Published 16.02.2006
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PROBLEM TO BE SOLVED: To switch a preamble configuration of a MIMO system. SOLUTION: A storage unit 116 stores a preamble signal defined in a legacy system and a preamble signal defined in a MIMO system. A monitoring unit 112 monitors the existence of any communication apparatus which is not compatible with the MIMO system but accepts the legacy system. A channel characteristics acquiring unit 114 derives the characteristics of a radio channel between a transmitting apparatus and a receiving apparatus. A selector 110 selects a packet format based on a monitoring result obtained by the monitoring unit 112. The selector 110 also selects where to place LTS, based on the characteristics of wireless channel derived by the channel characteristics acquiring unit 114. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20050180550