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4 papers · 2 filters
Private Broadcasting over Independent Parallel Channels
Ashish Khisti, Tie Liu
We study private broadcasting of two messages to two groups of receivers over independent parallel channels. One group consists of an arbitrary number of receivers interested in a…
On the Relationships among Optimal Symmetric Fix-Free Codes
S. M. Hossein Tabatabaei Yazdi, Serap A. Savari
Symmetric fix-free codes are prefix condition codes in which each codeword is required to be a palindrome. Their study is motivated by the topic of joint source-channel coding. Alt…
On Modulo-Sum Computation over an Erasure Multiple Access Channel
Ashish Khisti, Brett Hern, Krishna Narayanan
We study computation of a modulo-sum of two binary source sequences over a two-user erasure multiple access channel. The channel is modeled as a binary-input, erasure multiple acce…
Time-Varying Space-Only Codes for Coded MIMO
Dieter Duyck, Sheng Yang, Fambirai Takawira +2
Multiple antenna (MIMO) devices are widely used to increase reliability and information bit rate. Optimal error rate performance (full diversity and large coding gain), for unknown…