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Low SNR - When Only Decoding Will Do
MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA..
KTH, School of Electrical Engineering and Computer Science (EECS). Royal Inst Technol, S-10044 Stockholm, Sweden..ORCID iD: 0000-0002-9709-0713
2014 (English)In: 2014 IEEE GLOBAL CONFERENCE ON SIGNAL AND INFORMATION PROCESSING (GLOBALSIP), IEEE , 2014, p. 891-894Conference paper, Published paper (Refereed)
Abstract [en]

We investigate the issue of distributed receiver cooperation in a multiple-relay network with memoryless independent fading channels, where the channel state information can't be obtained. The received signals at distributed receiving nodes are first compressed or quantized before being sent to the decoder via rate-limited cooperation channels for joint processing. We focus on the low SNR regime and analyze the capacity bounds using network equivalence theory and a multiple-layer binning peaky frequency shift keying (FSK). When the received signals at the relaying nodes are in low SNR regime and the cooperation rates are not sufficiently high, compressed/ quantized observations at relaying nodes become useless and only decoding can help.

Place, publisher, year, edition, pages
IEEE , 2014. p. 891-894
Keywords [en]
Low SNR, distributed receivers, network equivalence, peaky FSK, MMSE
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-243786ISI: 000382032100183OAI: oai:DiVA.org:kth-243786DiVA, id: diva2:1287100
Conference
2014 IEEE GLOBAL CONFERENCE ON SIGNAL AND INFORMATION PROCESSING (GLOBALSIP)
Note

QC 20190208

Available from: 2019-02-08 Created: 2019-02-08 Last updated: 2019-02-08Bibliographically approved

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Du, Jinfeng

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