COMMUNICATION SYSTEM

PROBLEM TO BE SOLVED: To realize base station switching at a high speed when a terminal switches base stations. SOLUTION: The terminal 11 receives a frame from a base station 21, and transmits a reassociation request for a base station switching request to a base station 22 without returning an ACK...

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Bibliographic Details
Main Author KUMAGAI KAZUFUMI
Format Patent
LanguageEnglish
Published 04.11.2005
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:PROBLEM TO BE SOLVED: To realize base station switching at a high speed when a terminal switches base stations. SOLUTION: The terminal 11 receives a frame from a base station 21, and transmits a reassociation request for a base station switching request to a base station 22 without returning an ACK (acknowledge character) to the base station 21 when a signal level of the received frame is not higher than a threshold. Since the terminal 11 does not return the ACK to the base station 21, the terminal 11 can transmit a reassociation request preferentially over frames transmitted by other devices. Consequently, the terminal 11 can transmit the reassociation request without being made to wait extra while the other devices transmit/receive a frame and without letting the reassociation request collide with another frame, the terminal can switch base stations at a high speed. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040127804