05289501 is referenced by 55 patents and cites 5 patents.

Information is transmitted in digital form over fading channels using DPSK coded modulation incorporating multi-level coding in order to provide unequal error protection for different classes of data such as generated by CELP or other speech encoders.

Title
Coded modulation with unequal error protection for fading channels
Application Number
7/797831
Publication Number
5289501
Application Date
November 26, 1991
Publication Date
February 22, 1994
Inventor
Carl Erik W Sundberg
Chatham
NJ, US
Nambirajan Seshadri
Chatham
NJ, US
Agent
Gerard A deBlasi
Assignee
AT&T Bell Laboratories
NJ, US
IPC
H04L 27/34
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