Communication system, and communication device

Details Communication system, and communication device Communication system, and communication device

2005-10-27

2010-10-19

Kincaid, Lester (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S333000, C370S229000, C370S389000, C370S465000

Reexamination Certificate

active

07817610

ABSTRACT:
A communication system which can control a data transmission properly and to which a Delayed Block ACK mode is applied, and a communication device constituting the communication system. A radio LAN base station (100) as the communication device comprises a transmission control unit (115) for transmitting a block ACK request, a pilot generation unit (104) for generating a pilot signal to measure a reception quality, and the transmission control unit (115) for transmitting the pilot signal before the block ACK having the reception quality information of the pilot signal added thereto is returned from a reception side in response to the block ACK request. A station (200) as the communication device comprises a transmission control unit (207) for controlling the transmission timing of the block ACK answering the block ACK request, a reception quality information generation unit (211) for generating the reception quality information of the pilot signal, and a block ACK generation unit (208) for adding the reception quality information to the block ACK.

REFERENCES:
patent: 6804311 (2004-10-01), Dabak et al.
patent: 2005/0053038 (2005-03-01), Kimura
patent: 2005/0213505 (2005-09-01), Iochi et al.
patent: 2005/0270975 (2005-12-01), Meylan et al.
patent: 2006/0215603 (2006-09-01), Nishio et al.
patent: 2003-324442 (2003-11-01), None
PCT International Search Report dated Nov. 29, 2005.
IEEE P802.11e/D8.0, Draft Amendment to Standard [for] Information Technology—Telecommunications and Information Exchange Between Systems—LAN/MAN Specific Requirements, Feb. 2004, pp. i-vii and 1-173.
Japanese Office Action dates Apr. 13, 2010

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