[PDF][PDF] Approximately achieving Gaussian relay network capacity with lattice-based QMF codes

A Ozgur, SN Diggavi - IEEE Transactions on Information Theory, 2013‏ - Citeseer
Abstract In [1], a new relaying strategy, quantize-map-and-forward (QMF) scheme, has been
demonstrated to approximately achieve (within an additive constant number of bits) the …

Quantize-map-forward (QMF) relaying: An experimental study

M Duarte, A Sengupta, S Brahma, C Fragouli… - Proceedings of the …, 2013‏ - dl.acm.org
We present the design and experimental evaluation of a wireless system that exploits
relaying in the context of WiFi. We opt for WiFi given its popularity and wide spread use for a …

An approximation approach to network information theory

AS Avestimehr, SN Diggavi, C Tian… - … and Trends® in …, 2015‏ - nowpublishers.com
This monograph illustrates a novel approach, which is based on changing the focus to seek
approximate solutions accompanied by universal guarantees on the gap to optimality, in …

Multilevel coding schemes for compute-and-forward with flexible decoding

B Hern, KR Narayanan - IEEE transactions on information …, 2013‏ - ieeexplore.ieee.org
We consider the design of coding schemes for the wireless two-way relaying channel when
there is no channel state information at the transmitter. In the spirit of the compute-and …

Approximately achieving Gaussian relay network capacity with lattice-based QMF codes

A Özgür, SN Diggavi - IEEE transactions on information theory, 2013‏ - ieeexplore.ieee.org
Recently, a new relaying strategy, quantize-map-and-forward (QMF) scheme, has been
demonstrated to approximately achieve (within an additive constant number of bits) the …

Towards integrating quantize-map-forward relaying into LTE

E Atsan, R Knopp, S Diggavi… - 2012 IEEE Information …, 2012‏ - ieeexplore.ieee.org
We present a method to integrate the Quantize-Map-Forward (QMF) relaying scheme [1] into
the standard LTE operation, for a two-relay diamond network configuration. Our approach …

Optimizing quantize-map-and-forward relaying for Gaussian diamond networks

A Sengupta, IH Wang, C Fragouli - 2012 IEEE Information …, 2012‏ - ieeexplore.ieee.org
We evaluate the information-theoretic achievable rates of Quantize-Map-and-Forward (QMF)
relaying schemes over Gaussian N-relay diamond networks. Focusing on vector Gaussian …

Quilt: A decode/quantize-interleave-transmit approach to cooperative relaying

S Brahma, M Duarte, A Sengupta… - … -IEEE Conference on …, 2014‏ - ieeexplore.ieee.org
Physical layer cooperation of a source with a relay can significantly boost the performance of
a wireless connection. However, the best practical relaying scheme can vary depending on …

Distributed turbo encoder and method

SH Lim, W Noh, JB Lim, SS Yun, SH Chae… - US Patent …, 2017‏ - Google Patents
(Continued) Primary Examiner—Esaw Abraham (57) ABSTRACT The present disclosure
relates to an apparatus and method supportive of distributed turbo coding based on relay …

Unified design of LLR quantization and joint reception for mobile fronthaul bandwidth reduction

K Miyamoto, S Ibi, T Shimizu, J Terada… - 2017 IEEE 85th …, 2017‏ - ieeexplore.ieee.org
This paper proposes a unified design of log likelihood ratio (LLR) quantization and joint
reception (JR) to reduce the mobile fronthaul (MFH) bandwidth in the split-physical (PHY) …