Scheduled System Maintenance:
On Wednesday, July 29th, IEEE Xplore will undergo scheduled maintenance from 7:00-9:00 AM ET (11:00-13:00 UTC). During this time there may be intermittent impact on performance. We apologize for any inconvenience.
By Topic

Error protection for low rate speech transmission over a mobile satellite channel

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Tzeng, F.F. ; Comsat Lab., Clarksburg, MD, USA ; Sherwood, P.G.

The authors examine the error protection strategies for a high-quality code-excited linear predictive (CELP) vocoder to be used for mobile satellite communications. The speech coder has a data rate of 4.8 kb/s and an overall rate of 6.4 kb/s, including error protection coding. The error protection strategies involve selective error correction and error detection along with speech parameter smoothing. Candidate coding strategies are evaluated by examining their performance against burst errors common to a mobile channel and against random errors with fairly high bit error rates (BERs). It is found that a hybrid parity check coding scheme performs best under these channel conditions. The error protection strategies have been found to work well under burst error conditions designed to simulate a land mobile environment. The proposed coding technique can provide good performance under random error conditions as high as 10-2 BER

Published in:

Global Telecommunications Conference, 1990, and Exhibition. 'Communications: Connecting the Future', GLOBECOM '90., IEEE

Date of Conference:

2-5 Dec 1990