Enhanced 1-HOP dynamic frequency hopping communities

Details Enhanced 1-HOP dynamic frequency hopping communities Enhanced 1-HOP dynamic frequency hopping communities

2011-03-08

2011-03-08

Wang, Ted M (Department: 2611)

Pulse or digital communications

Spread spectrum

Frequency hopping

C375S133000, C375S135000, C375S136000, C375S316000

Reexamination Certificate

active

07903718

ABSTRACT:
A Dynamic Frequency Hopping Community (DFH Community) is formed from a plurality of Wireless Regional Area Network (WRAN) cells wherein each of the plurality of WRAN cells within the DFH Community is a one-hop neighbor of the leader cell. The leader cell sets and distributes a hopping pattern for use among the WRAN cells based on, in part, the number of usable channels and whether a WRAN cell is shared by two groups in the DFH Community.

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Wendong Hu et al., “Cognitive Radios for Dynamic Spectum Access—Dynamic Frequency Hopping Communities for Efficient IEEE 802.22 Operation”, IEEE Communications Magazine, IEEE Service Center, Piscataway, US, XP011181061, ISSN 0163-6804, col. 44, No. 5, May 1, 2007, pp. 80-87.

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