Method and system for evaluating uplink inter-cell interference

Details Method and system for evaluating uplink inter-cell interference Method and system for evaluating uplink inter-cell interference

2008-04-29

2008-04-29

Kincaid, Lester G. (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S063100, C455S067130, C455S067110

Reexamination Certificate

active

10923283

ABSTRACT:
Uplink inter-cell interference is evaluated by allocating positions to mobiles in the cell of interest (C0) and in interfering cells, computing a value for inter-cell interference for this position, re-positioning the mobiles, and re-computing the inter-cell interference value, until the calculated inter-cell interference converges on a stable value. At each iteration, the interfering mobiles are allocated a positional distribution within their respective cells which is an image of the distribution used for the mobiles in the cell of interest. Power control is performed only for mobiles in the studied cell, and the assigned distribution of power values is also allocated to the mobiles in the interfering cells. An inter-cell interference evaluation system (10) includes a mobile-communication-unit positioning module (20), a path loss computation module (30), a power control module (50) and an inter-cell interference computation module (70), operating under the control of a controller (80).

REFERENCES:
patent: 6512933 (2003-01-01), Kalofonos et al.
patent: 6810246 (2004-10-01), Kalofonos et al.
patent: 1 292 162 (2001-09-01), None

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