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» Cooperative Lattice Coding and Decoding
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CORR
2007
Springer
108views Education» more  CORR 2007»
13 years 7 months ago
Noncoherent Low-Decoding-Complexity Space-Time Codes for Wireless Relay Networks
— The differential encoding/decoding setup introduced by Kiran et al, Oggier et al and Jing et al for wireless relay networks that use codebooks consisting of unitary matrices is...
G. Susinder Rajan, B. Sundar Rajan
ICASSP
2008
IEEE
14 years 1 months ago
Model-based sparsity projection pursuit for lattice vector quantization
In this work we present an efficient coding scheme suitable for lossy image compression using a lattice vector quantizer (LVQ) based on statistically independent data projections...
Leonardo H. Fonteles, Marc Antonini, Ronald Phlypo
GLOBECOM
2009
IEEE
13 years 11 months ago
Multi-User Cooperative Communications with Relay-Coding for Uplink IMT-Advanced 4G Systems
Adoption of relay stations has been commonly accepted as a key technique for future IMTadvanced 4G systems to improve the link performance. While study in relay systems is often c...
Lei Cao, Jinyun Zhang, Norio Kanno
IACR
2011
141views more  IACR 2011»
12 years 7 months ago
Approximate common divisors via lattices
We analyze the multivariate generalization of Howgrave-Graham’s algorithm for the approximate common divisor problem. In the m-variable case with modulus N and approximate common...
Henry Cohn, Nadia Heninger
CORR
2010
Springer
109views Education» more  CORR 2010»
13 years 7 months ago
Dirty Paper Coding using Sign-bit Shaping and LDPC Codes
Dirty paper coding (DPC) refers to methods for pre-subtraction of known interference at the transmitter of a multiuser communication system. There are numerous applications for DPC...
G. Shilpa, Andrew Thangaraj, Srikrishna Bhashyam