The Capacity Region of the Degraded Multiple-Input Multiple-Output Compound Broadcast Channel
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The capacity region of a compound multiple-antenna broadcast channel is characterized when the users exhibit a certain degradedness order. The channel under consideration has two users, each user has a finite set of possible realizations. The transmitter transmits two messages, one for each user, in such a manner that regardless of the actual realizations, both users will be able to decode their messages correctly. An alternative view of this channel is that of a broadcast channel with two common messages, each common message is intended to a different set of users. The degradedness order between the two sets of realizations/users is defined through an additional, fictitious, user whose channel is degraded with respect to all realizations/users from one set while all realizations/users from the other set are degraded with respect to him. 2009 IEEE.
IEEE Transactions on Information Theory
author list (cited authors)
Weingarten, H., Tie Liu, .., Shamai, S., Steinberg, Y., & Viswanath, P.
complete list of authors
Weingarten, H||Shamai, S||Steinberg, Y||Viswanath, P