Track buffer in a parallel decoder

Details Track buffer in a parallel decoder Track buffer in a parallel decoder

2004-12-30

2008-10-07

Louis-Jacques, Jacques (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S795000, C714S755000

Reexamination Certificate

active

07434148

ABSTRACT:
A method (700) and apparatus (600) are described for performing 2M−1parallel ACS operations to generate 2Mpath metric outputs and buffering the 2Mpath metric outputs in connection with a track buffer (112) in an Ultrawide Bandwidth (UWB) receiver for decoding a message sequence encoded according to a convolutional code. Contents of the track buffer are updated in accordance with Register Exchange and outputs from the track buffer can further be input to a voting unit (114) where a voting scheme can be applied and a decision rendered as to the originally transmitted message sequence.

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Notification Concerning Transmittal (1 pp.) and International Preliminary Report on Patentability (Chapter 1 of the Patent Cooperation Treaty) dated Nov. 1, 2007 in corresponding PCT application No. PCT/US2005/045544 (4 pp.).
Notification Concerning Transmittal of International Search Report and the Written Opinion of the International Searching Authority, or the Declaration dated Oct. 3, 2007 in corresponding PCT application No. PCT/US05/45544.

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