The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2004
Filed:
Sep. 30, 1999
Weizhuang Xin, Aliso Viejo, CA (US);
Ning Kong, Long Beach, CA (US);
Skyworks Solutions, Inc., Newport Beach, CA (US);
Abstract
An implementation of an iterative decoding system within a Trellis Coded Modulation communications environment. In a disclosed embodiment of the present invention, a communication system is described wherein the transmitter uses a channel encoder (consisting of either a convolutional encoder or a block encoder) as an outer encoder. The channel encoded signal is then passed through an interleaver and provided to a Trellis Coded Modulation encoder which acts as an inner encoder. The encoded signal may then be transmitted over the channel. On the decoding side, the disclosed embodiment of the present invention advantageously applies iterative decoding steps to decode the received Trellis Coded Modulated signals, resulting in improved coding gains and a decrease in BER as compared with a conventional non-iterative approach.