Carrier frequency offset estimation from preamble symbols

Details Carrier frequency offset estimation from preamble symbols Carrier frequency offset estimation from preamble symbols

2007-08-14

2007-08-14

Pham, Chi (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C375S147000, C375S233000, C375S343000

Reexamination Certificate

active

10114800

ABSTRACT:
Carrier frequency offset (CFO) estimation from preamble symbols. Any communication receiver may be adapted to perform the CFO estimation. The CFO estimation is performed using a low complexity, high accuracy CFO estimation method. The operation may be described as follows: each element of a received sequence is divided by the corresponding preamble element, the resulting sequence is divided into N subgroups, and each subgroup is then averaged. The phase differential of the resulting sequence is computed, averaged, and used to compute an estimate of the carrier frequency offset. This approach to performing CFO estimation is of relatively high estimation accuracy and of relatively low computational complexity.

REFERENCES:
patent: 5283811 (1994-02-01), Chennakeshu et al.
patent: 5546422 (1996-08-01), Yokev et al.
patent: 5844947 (1998-12-01), Cesari
patent: 5886988 (1999-03-01), Yun et al.
patent: 6618452 (2003-09-01), Huber et al.
patent: 6771720 (2004-08-01), Yang et al.
patent: 2002/0154620 (2002-10-01), Azenkot et al.
patent: 2003/0147456 (2003-08-01), Kumura
patent: 2003/0185284 (2003-10-01), Yousef et al.
patent: 2004/0008662 (2004-01-01), Yousef et al.

Affiliated with

Also associated with

Rating

Carrier frequency offset estimation from preamble symbols does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Carrier frequency offset estimation from preamble symbols, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Carrier frequency offset estimation from preamble symbols will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3872424