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Design and Implementation of Iterative Decoder for Faster-than-Nyquist Signaling Multicarrier systems

Dasalukunte, Deepak LU ; Rusek, Fredrik LU ; Anderson, John B LU and Öwall, Viktor LU (2011) IEEE Computer Society Annual Symposium on VLSI (ISVLSI) In [Host publication title missing] p.359-360
Abstract (Swedish)
Abstract in Undetermined

Faster-than-Nyquist (FTN) signaling is a method of improving bandwidth efficiency by transmitting information beyond Nyquist's orthogonality limit for interference free transmission. Previously have theoretically established that FTN can provide improved bandwidth efficiency. However, this comes at the cost of higher decoding complexity at the receiver. Our work has evaluated multicarrier FTN signaling for its implementation feasibility and complexity overhead compared to the gains in bandwidth efficiency. The work carried out in this research project includes a systems perspective evaluating performance, algorithm hardware tradeoffs and a hardware architecture leading to a silicon implementation of... (More)
Abstract in Undetermined

Faster-than-Nyquist (FTN) signaling is a method of improving bandwidth efficiency by transmitting information beyond Nyquist's orthogonality limit for interference free transmission. Previously have theoretically established that FTN can provide improved bandwidth efficiency. However, this comes at the cost of higher decoding complexity at the receiver. Our work has evaluated multicarrier FTN signaling for its implementation feasibility and complexity overhead compared to the gains in bandwidth efficiency. The work carried out in this research project includes a systems perspective evaluating performance, algorithm hardware tradeoffs and a hardware architecture leading to a silicon implementation of the decoder for FTN signaling. From the systems perspective, co-existence of FTN and OFDM based multicarrier system has been evaluated. OFDM being a part of many existing and upcoming broadband access technologies such as WLAN, LTE, DVB, this analogy is motivated. On the hardware aspect, the proposed architecture can accommodate both OFDM and FTN systems. The processing blocks in transmitter and receiver were designed for reuse and carry out different functions in the transceiver. Furthemore, the hardware could be configured to operate at varying bandwidth efficiencies (by FTN signaling) to exploit the channel conditions. The decoder implementation also considered block sizes and data rates to comply with the 3GPP standard. The decoding is carried out in as few as 8 iterations making it more practical for implementation in power constrained mobile devices. The decoder is implemented in 65nm CMOS process and occupies a total chip area of 0.8mm2. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
3G mobile communication, CMOS integrated circuits, OFDM modulation, iterative decoding
in
[Host publication title missing]
pages
359 - 360
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
conference name
IEEE Computer Society Annual Symposium on VLSI (ISVLSI)
external identifiers
  • wos:000298386100076
  • scopus:80052581512
ISSN
2159-3477
DOI
10.1109/ISVLSI.2011.40
project
EIT_HSWC:Coding Coding, modulation, security and their implementation
language
English
LU publication?
yes
id
83548c19-4ae2-4833-a732-65662907e018 (old id 2494423)
date added to LUP
2012-05-28 11:15:30
date last changed
2017-04-09 04:10:38
@inproceedings{83548c19-4ae2-4833-a732-65662907e018,
  abstract     = {<b>Abstract in Undetermined</b><br/><br>
Faster-than-Nyquist (FTN) signaling is a method of improving bandwidth efficiency by transmitting information beyond Nyquist's orthogonality limit for interference free transmission. Previously have theoretically established that FTN can provide improved bandwidth efficiency. However, this comes at the cost of higher decoding complexity at the receiver. Our work has evaluated multicarrier FTN signaling for its implementation feasibility and complexity overhead compared to the gains in bandwidth efficiency. The work carried out in this research project includes a systems perspective evaluating performance, algorithm hardware tradeoffs and a hardware architecture leading to a silicon implementation of the decoder for FTN signaling. From the systems perspective, co-existence of FTN and OFDM based multicarrier system has been evaluated. OFDM being a part of many existing and upcoming broadband access technologies such as WLAN, LTE, DVB, this analogy is motivated. On the hardware aspect, the proposed architecture can accommodate both OFDM and FTN systems. The processing blocks in transmitter and receiver were designed for reuse and carry out different functions in the transceiver. Furthemore, the hardware could be configured to operate at varying bandwidth efficiencies (by FTN signaling) to exploit the channel conditions. The decoder implementation also considered block sizes and data rates to comply with the 3GPP standard. The decoding is carried out in as few as 8 iterations making it more practical for implementation in power constrained mobile devices. The decoder is implemented in 65nm CMOS process and occupies a total chip area of 0.8mm2.},
  author       = {Dasalukunte, Deepak and Rusek, Fredrik and Anderson, John B and Öwall, Viktor},
  booktitle    = {[Host publication title missing]},
  issn         = {2159-3477},
  keyword      = {3G mobile communication,CMOS integrated circuits,OFDM modulation,iterative decoding},
  language     = {eng},
  pages        = {359--360},
  publisher    = {IEEE--Institute of Electrical and Electronics Engineers Inc.},
  title        = {Design and Implementation of Iterative Decoder for Faster-than-Nyquist Signaling Multicarrier systems},
  url          = {http://dx.doi.org/10.1109/ISVLSI.2011.40},
  year         = {2011},
}