On codebook information for interference relay channels with out-of-band relaying

Osvaldo Simeone, Elza Erkip, Shlomo Shamai

Research output: Contribution to journalArticle

Abstract

A standard assumption in network information theory is that all nodes are informed at all times of the operations carried out (e.g., of the codebooks used) by any other terminal in the network. In this paper, information theoretic limits are sought under the assumption that, instead, some nodes are not informed about the codebooks used by other terminals. Specifically, capacity results are derived for a relay channel in which the relay is oblivious to the codebook used by the source (oblivious relaying), and an interference relay channel with oblivious relaying and in which each destination is possibly unaware of the codebook used by the interfering source (interference-oblivious decoding). Extensions are also discussed for a related scenario with standard codebook-aware relaying but interference-oblivious decoding. The class of channels under study is limited to out-of-band ("or primitive") relaying: Relay-to-destinations links use orthogonal resources with respect to the transmission from the source encoders. Conclusions are obtained under a rigorous definition of oblivious processing that is related to the idea of randomized encoding. The framework and results discussed in this paper suggest that imperfect codebook information can be included as a source of uncertainty in network design along with, e.g., imperfect channel and topology information.

Original languageEnglish (US)
Article number5752445
Pages (from-to)2880-2888
Number of pages9
JournalIEEE Transactions on Information Theory
Volume57
Issue number5
DOIs
StatePublished - May 2011

Fingerprint

Decoding
interference
Information theory
information theory
Topology
Processing
uncertainty
scenario
resources
Uncertainty
time

Keywords

  • Codebook information
  • femtocells
  • interference channel
  • relay channel
  • robust coding

ASJC Scopus subject areas

  • Information Systems
  • Computer Science Applications
  • Library and Information Sciences

Cite this

On codebook information for interference relay channels with out-of-band relaying. / Simeone, Osvaldo; Erkip, Elza; Shamai, Shlomo.

In: IEEE Transactions on Information Theory, Vol. 57, No. 5, 5752445, 05.2011, p. 2880-2888.

Research output: Contribution to journalArticle

@article{556099999a9e45fd838c80af5c8082a8,
title = "On codebook information for interference relay channels with out-of-band relaying",
abstract = "A standard assumption in network information theory is that all nodes are informed at all times of the operations carried out (e.g., of the codebooks used) by any other terminal in the network. In this paper, information theoretic limits are sought under the assumption that, instead, some nodes are not informed about the codebooks used by other terminals. Specifically, capacity results are derived for a relay channel in which the relay is oblivious to the codebook used by the source (oblivious relaying), and an interference relay channel with oblivious relaying and in which each destination is possibly unaware of the codebook used by the interfering source (interference-oblivious decoding). Extensions are also discussed for a related scenario with standard codebook-aware relaying but interference-oblivious decoding. The class of channels under study is limited to out-of-band ({"}or primitive{"}) relaying: Relay-to-destinations links use orthogonal resources with respect to the transmission from the source encoders. Conclusions are obtained under a rigorous definition of oblivious processing that is related to the idea of randomized encoding. The framework and results discussed in this paper suggest that imperfect codebook information can be included as a source of uncertainty in network design along with, e.g., imperfect channel and topology information.",
keywords = "Codebook information, femtocells, interference channel, relay channel, robust coding",
author = "Osvaldo Simeone and Elza Erkip and Shlomo Shamai",
year = "2011",
month = "5",
doi = "10.1109/TIT.2011.2120030",
language = "English (US)",
volume = "57",
pages = "2880--2888",
journal = "IEEE Transactions on Information Theory",
issn = "0018-9448",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "5",

}

TY - JOUR

T1 - On codebook information for interference relay channels with out-of-band relaying

AU - Simeone, Osvaldo

AU - Erkip, Elza

AU - Shamai, Shlomo

PY - 2011/5

Y1 - 2011/5

N2 - A standard assumption in network information theory is that all nodes are informed at all times of the operations carried out (e.g., of the codebooks used) by any other terminal in the network. In this paper, information theoretic limits are sought under the assumption that, instead, some nodes are not informed about the codebooks used by other terminals. Specifically, capacity results are derived for a relay channel in which the relay is oblivious to the codebook used by the source (oblivious relaying), and an interference relay channel with oblivious relaying and in which each destination is possibly unaware of the codebook used by the interfering source (interference-oblivious decoding). Extensions are also discussed for a related scenario with standard codebook-aware relaying but interference-oblivious decoding. The class of channels under study is limited to out-of-band ("or primitive") relaying: Relay-to-destinations links use orthogonal resources with respect to the transmission from the source encoders. Conclusions are obtained under a rigorous definition of oblivious processing that is related to the idea of randomized encoding. The framework and results discussed in this paper suggest that imperfect codebook information can be included as a source of uncertainty in network design along with, e.g., imperfect channel and topology information.

AB - A standard assumption in network information theory is that all nodes are informed at all times of the operations carried out (e.g., of the codebooks used) by any other terminal in the network. In this paper, information theoretic limits are sought under the assumption that, instead, some nodes are not informed about the codebooks used by other terminals. Specifically, capacity results are derived for a relay channel in which the relay is oblivious to the codebook used by the source (oblivious relaying), and an interference relay channel with oblivious relaying and in which each destination is possibly unaware of the codebook used by the interfering source (interference-oblivious decoding). Extensions are also discussed for a related scenario with standard codebook-aware relaying but interference-oblivious decoding. The class of channels under study is limited to out-of-band ("or primitive") relaying: Relay-to-destinations links use orthogonal resources with respect to the transmission from the source encoders. Conclusions are obtained under a rigorous definition of oblivious processing that is related to the idea of randomized encoding. The framework and results discussed in this paper suggest that imperfect codebook information can be included as a source of uncertainty in network design along with, e.g., imperfect channel and topology information.

KW - Codebook information

KW - femtocells

KW - interference channel

KW - relay channel

KW - robust coding

UR - http://www.scopus.com/inward/record.url?scp=79955514375&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=79955514375&partnerID=8YFLogxK

U2 - 10.1109/TIT.2011.2120030

DO - 10.1109/TIT.2011.2120030

M3 - Article

VL - 57

SP - 2880

EP - 2888

JO - IEEE Transactions on Information Theory

JF - IEEE Transactions on Information Theory

SN - 0018-9448

IS - 5

M1 - 5752445

ER -