Frequency reuse scheme and corresponding frequency hopping...

Details Frequency reuse scheme and corresponding frequency hopping... Frequency reuse scheme and corresponding frequency hopping...

2006-02-14

2006-02-14

Gelin, Jean (Department: 2681)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S446000, C455S447000

Reexamination Certificate

active

06999760

ABSTRACT:
A cell of a wireless radio communication network is divided in N substantially identical sectors S1, S2, . . . , SN looking out from a base station. Sector Si is contiguous to sectors Si−1 and Si+1 for 2≦i≦N−1. N frequencies f1<f2< . . . <fN are available for transmitting signal from the base station to radio terminals located in the cell. At a predefined time slot, the frequency used in the sectors S1, . . . , SN respectively is the following: f1; f3; f5; . . . ;f2n−1; f2; f4; f6. . . ; f2n; if N=2n, or f1; f3; f5; . . . ; f2n−1; f2n+1; f2; f4; f6. . . ; f2n; if N=2n+1. The frequency used in the sectors at any subsequent time slot is a cyclic permutation of the previous sequence.

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patent: 6212385 (2001-04-01), Thomas et al.
patent: 1028599 (2000-08-01), None

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