Title :
On opportunistic codes and broadcast codes with degraded message sets
Author :
Diggavi, Suhas N. ; Tse, David N C
Author_Institution :
School of Computer and Communication Sciences, EPFL, Lausanne, Switzerland. Email: suhas.diggavi@epfl.ch
Abstract :
Diversity embedded codes are opportunistic codes which take advantage of good channel realizations while ensuring at least part of the information is received reliably for bad channels. We establish a connection between these codes and degraded message set broadcast codes. We characterize the achievable rate region for the parallel Gaussian degraded message set broadcast problem, when only the strongest user needs the private information. Using this, we partially characterize the set of achievable rate-diversity tuples for the diversity embedded problem for parallel fading channels.
Keywords :
Broadcasting; Capacity planning; Communication channels; Decoding; Degradation; Error probability; Fading; Transmitters; Uncertainty; Wireless communication;
Conference_Titel :
Information Theory Workshop, 2006. ITW '06 Punta del Este. IEEE
Conference_Location :
Punta del Este, Uruguay
Print_ISBN :
1-4244-0035-X
Electronic_ISBN :
1-4244-0036-8
DOI :
10.1109/ITW.2006.1633817
