Research‎ > ‎

Broadcast Channels with Side Information

This part of our work investigates the capacity regions of broadcast channels with side information.

1) One form of side information exists where each receiver may know a priori some of the messages requested by other receivers, commonly referred to as receiver message side information. This form appears in applications such as multimedia broadcasting with packet loss, and the downlink phase of multi-way relay channels.





Fig. 1 Two-Receiver Memoryless Broadcast Channel with Receiver Message Side Information


2) Another form of side information is the channel state information in broadcast channels with state. At each of the transmitter and receivers, the channel state information may exist causally, non-causally, or with some delay depending on the modeled application.



Fig. 2 Two-Receiver Memoryless Broadcast Channel with State





Key Publications:

[J1] B. Asadi, L. Ong, and S. J. Johnson, "Optimal Coding Schemes for the Three-Receiver AWGN Broadcast Channel with Receiver Message Side Information", to appear in IEEE Transactions on Information Theory, 2015.

[J2] B. Asadi, L. Ong, and S. J. Johnson, "On Index Coding in Noisy Broadcast Channels with Receiver Message Side Information", IEEE Communications Letters, 2014.

[C1] B. Asadi, L. Ong, and S. J. Johnson, "A Unified Scheme for Two-Receiver Broadcast Channels with Receiver Message Side Information", ISIT 2015.

[C2] B. Asadi, L. Ong, and S. J. Johnson, "The Capacity of Three-Receiver AWGN Broadcast Channels with Receiver Message Side Information", ISIT 2014.

[C3] B. Asadi, L. Ong, and S. J. Johnson, "Coding Schemes for a Class of Receiver Message Side Information in AWGN Broadcast Channels", ITW 2014.