Wireless communication apparatus for managing high...

Details Wireless communication apparatus for managing high... Wireless communication apparatus for managing high...

2011-06-07

2011-06-07

Vu, Huy D (Department: 2461)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S445000, C455S450000, C455S455000

Reexamination Certificate

active

07957346

ABSTRACT:
According to an aspect of the invention, there is provided a wireless communication apparatus for performing a first wireless communication with a first channel having a first bandwidth, and a second wireless communication with a second channel having a second bandwidth wider than the first bandwidth and having a frequency band covering the first channel, in accordance with CSMA/CA system by carrier sense, including: a predicting unit predicting a first time required until a transmission right for the first wireless communication is captured, and a second time required until a transmission right for the second wireless communication is captured; a judging unit judging that either one communication is recommended based upon the first and second times; and a producing unit producing, when judged that a wireless communication different from a present wireless communication is recommended, a notification frame including information indicative of the recommended wireless communication.

REFERENCES:
patent: 2006/0025169 (2006-02-01), Maciocco et al.
patent: 2006/0034208 (2006-02-01), Blouin
patent: 2007/0054645 (2007-03-01), Pan
patent: 2008/0181192 (2008-07-01), Nabetani et al.
patent: 2009/0061799 (2009-03-01), Park et al.
Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specification: Amendment <number>: Enhancement for Higher Throughput, IEEE P802.11n/D2.00, Feb. 2007. (To include additional sections cited not provided in Applicant's IDS of date Mar. 20, 2008).
IEEE P802.11n/D2.00, Chapter 6-Chapter 11 (MAC Layer Part) Feb. 2007.

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