Channel Coding for Code Excited Linear Prediction (CELP) Encoded Speech in MobileRadio Applications

摘要

The National Wireless Performance Benchmarking Program seeks to provide tools,performance metrics, methodologies and testbed facilities to the wireless industry and users, so as to allow consistent and impartial performance measurement of wireless communication systems. As a part of this program, a research program is currently being undertaken, in which the mobile radio channel effects on Code Excited Linear Prediction (CELP) encodes speech data are studied. This research uses software simulations to test the various algorithms and evaluate their performance. This report provides a detailed description of the tests performed in this study, including bit error and bit protection sensitivity tests as well as various error correction code tests. It also evaluates different error correction codes for use for channel coding of wireless communication systems.