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- Bike Xie, Miguel Griot, Andres I. Vila Casado, Richard D. Wesel
- IEEE Transactions on Information Theory
- 2008

This paper provides an explicit expression for the capacity region of the two-user broadcast Z channel and proves that the optimal boundary can be achieved by independent encoding of each user.â€¦ (More)

Let X â†’ Y â†’ Z be a discrete memoryless degraded broadcast channel (DBC) with marginal transition probability matrices TY X and TZX . This paper explores encoding schemes for DBCs. We call a DBCâ€¦ (More)

- Bike Xie, Richard D. Wesel
- ArXiv
- 2008

Let X â†’ Y â†’ Z be a discrete memoryless degraded broadcast channel (DBC) with marginal transition probability matrices TY X and TZX . Denote q as the distribution of the channel input X . For anyâ€¦ (More)

- Richard D. Wesel, Bike Xie
- IEEE International Symposium on Informationâ€¦
- 2009

Certain degraded broadcast channels (DBCs) have the property that the boundary of the capacity region can be achieved by an encoder that combines independent codebooks (one for each receiver) usingâ€¦ (More)

- Bike Xie, Thomas A. Courtade, Richard D. Wesel
- IEEE Transactions on Information Theory
- 2013

Consider a memoryless degraded broadcast channel (DBC) in which the channel output is a single-letter function of the channel input and the channel noise. As examples, for the Gaussian broadcastâ€¦ (More)

- Jiadong Wang, Thomas A. Courtade, Tsung-Yi Chen, Bike Xie, Richard D. Wesel
- ArXiv
- 2011

Certain binary asymmetric channels, such as Zchannels in which one of the two crossover probabilities is zero, demand optimal ones densities different from 50%. Some broadcast channels, such asâ€¦ (More)

- Wen-Yen Weng, Cenk KÃ¶se, Bike Xie, Richard D. Wesel
- IEEE Transactions on Communications
- 2008

This paper presents serially concatenated trellis coded modulations (SCTCMs) that perform consistently close to the available mutual information for periodic erasure channel (PEC), periodic fadingâ€¦ (More)

- Bike Xie, Mihaela van der Schaar, Thomas A. Courtade, Richard D. Wesel
- 49th Annual Allerton Conference on Communicationâ€¦
- 2011

This paper considers the problem of transfer ring a file from one source node to multiple receivers in a peer-to-peer (P2P) network. The objective is to minimize the weighted sum finish time (WSFT)â€¦ (More)

- Bike Xie, Mihaela van der Schaar, Richard D. Wesel
- ArXiv
- 2010

This paper considers the problem of transferring a file from one source node to multiple receivers in a peer-to-peer (P2P) network. The objective is to minimize the weighted sum delay (WSD) for theâ€¦ (More)

- Bike Xie, Richard D. Wesel
- Information Theory and Applications Workshop
- 2009

An input-symmetric (IS) degraded broadcast channel (DBC) is a discrete DBC whose component channels are input-symmetric and the intersection of their input-symmetry groups is transitive. The discreteâ€¦ (More)