Title:
OFDM DEMODULATOR
Document Type and Number:
Japanese Patent JP3609355
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce computational complexity required for decoding in a Viterbi decoder, and to obtain excellent decoding characteristics.
SOLUTION: An input to the Viterbi decoder is controlled using a preamble for estimating a propagation path attached to an OFDM packet as an index. That is, an effective bit section is selected fluidly and properly from a value computed for the input to the Viterbi decoder by the power of the preamble for estimating the propagation path.
Inventors:
Atsushi Shirakawa
Yasuhiro Hamaguchi
Yasuhiro Hamaguchi
Application Number:
JP2001198767A
Publication Date:
January 12, 2005
Filing Date:
June 29, 2001
Export Citation:
Assignee:
Sharp Corporation
International Classes:
H03M13/41; H04B3/06; H04B7/005; H04J11/00; H04L1/00; (IPC1-7): H04J11/00; H03M13/41; H04B3/06; H04B7/005; H04L1/00
Domestic Patent References:
| JP11068696A | ||||
| JP11017761A | ||||
| JP5315977A | ||||
| JP2000013353A | ||||
| JP11088232A | ||||
| JP10049516A | ||||
| JP10126309A | ||||
| JP2000165343A | ||||
| JP8167863A | ||||
| JP10051415A |
Attorney, Agent or Firm:
Hideo Fujiwara
Previous Patent: BODY STRUCTURE FOR RAILROAD VEHICLE
Next Patent: 1-BORYL-4-STANNYL-1,3-DIENE COMPOUND AND METHOD FOR PRODUCING THE SAME
Next Patent: 1-BORYL-4-STANNYL-1,3-DIENE COMPOUND AND METHOD FOR PRODUCING THE SAME