Method and system for multi-cell interference reduction in a...

Details Method and system for multi-cell interference reduction in a... Method and system for multi-cell interference reduction in a...

2006-12-19

2006-12-19

Pham, Brenda (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S436000

Reexamination Certificate

active

07151755

ABSTRACT:
A method and system for multi-cell interference reduction in a wireless communication system is disclosed. The present disclosure describes a new method and system for accurately detecting the characteristics of the interfering signals from relevant sources such as neighboring co-channel cells and other persistent interference sources. In order to better estimate the interfering signals, a base station designates a small inactive window in the transmit frame for a cell during which the communications between the base station and its terminals are reduced while every other communication pursues. As such, the interfering signals can be well exposed and the characteristics can be accurately detected. Based on the detected characteristics of the interfering signals, the base station can specifically design beam forming mechanism or other means to cancel or minimize the impact of such interference during regular communications.

REFERENCES:
patent: 5768254 (1998-06-01), Papadopoulos et al.
patent: 6006092 (1999-12-01), Ward
patent: 6195327 (2001-02-01), Lysejko et al.
patent: 6253063 (2001-06-01), Cudak et al.
patent: 6563806 (2003-05-01), Yano et al.

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