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Capacity of Gaussian Channels with Duty Cycle and Power Constraints [article]

Lei Zhang, Hui Li, Dongning Guo
2012 arXiv   pre-print
This work studies the capacity of scalar discrete-time Gaussian channels subject to duty cycle constraint as well as average transmit power constraint.  ...  Furthermore, a more realistic duty cycle constraint is studied, where the extra cost of transitions between transmissions and nontransmissions due to pulse shaping is accounted for.  ...  the Gaussian channel capacity without duty cycle constraint.  ... 
arXiv:1209.4687v1 fatcat:leuhvm2eyjh5zd66he3vfcpday

Capacity of Gaussian channels with duty cycle and power constraints

Lei Zhang, Dongning Guo
2011 2011 IEEE International Symposium on Information Theory Proceedings  
This paper studies the capacity of point-to-point scalar discrete-time Gaussian channels subject to a duty cycle constraint as well as an average transmit power constraint.  ...  Independent input with a unique discrete distribution is shown to achieve the channel capacity.  ...  Guo and L. Zhang would like to thank Dr. Raymond Yeung and Dr.  ... 
doi:10.1109/isit.2011.6034180 dblp:conf/isit/ZhangG11a fatcat:4qfndpjokjbvhosjaw7p5sbw5i

Capacity of Gaussian Channels With Duty Cycle and Power Constraints

Lei Zhang, Hui Li, Dongning Guo
2014 IEEE Transactions on Information Theory  
This paper studies the capacity of point-to-point scalar discrete-time Gaussian channels subject to a duty cycle constraint as well as an average transmit power constraint.  ...  Independent input with a unique discrete distribution is shown to achieve the channel capacity.  ...  Guo and L. Zhang would like to thank Dr. Raymond Yeung and Dr.  ... 
doi:10.1109/tit.2013.2295616 fatcat:lofjv3z5kzhj3ngwm3r47pbqya

On the Capacity of FSO Links over Gamma-Gamma Atmospheric Turbulence Channels Using OOK Signaling

Antonio García-Zambrana, Carmen Castillo-Vázquez, Beatriz Castillo-Vázquez
2010 EURASIP Journal on Wireless Communications and Networking  
A new upper bound on the capacity of power-and bandwidth-constrained optical wireless links over gamma-gamma atmospheric turbulence channels with intensity modulation and direct detection is derived when  ...  In this free-space optical (FSO) scenario, unlike previous capacity bounds derived from the classic capacity of the well-known additive white Gaussian noise (AWGN) channel with uniform input distribution  ...  It is shown that OOK format using the classical rectangular pulse with duty cycle of 100% requires about 5 dB more optical SNR to yield similar values of capacity compared with OOK format with Gaussian  ... 
doi:10.1155/2010/127657 fatcat:qdl3bt2cjfbu3m37ggblt3rmuq

New methodology to design advanced MR-IRUWB communication system [article]

Aubin Lecointre, Robert Plana
2010 arXiv   pre-print
A new model is proposed giving the channel capability of a MB-IR-UWB system versus the number of subband and the duty cycle.  ...  The architecture simulated shows data rate ranging from 1.434 Gbits/s to 0.9 Gbits/s for 16 to 10 subbands and duty cycle ranging from 20% to 12%.  ...  from 1.434 Gb/s to 1 Gb/s with number of subband ranging from 16 to 10 and duty cycle varying from 20% to 12% over a 9ns delay spread UWB channel.  ... 
arXiv:1002.0576v1 fatcat:m2mnv6bnnvgwvizegd6phjfdsi

Bounds on the capacity of ofdm under spread frequency selective fading channels

Itsik Bergel, Sergio Benedetto
2008 2008 IEEE 25th Convention of Electrical and Electronics Engineers in Israel  
In this paper we derive novel bounds on the capacity of OFDM under spread frequency selective fading channels without prior knowledge of the channel (non-coherent channel).  ...  The derived bounds are characterized by a newly defined parameter termed effective coherence time, which characterize the number of effective number of samples that can be used for channel estimation for  ...  Note that UBI is achieved using narrowband QPSK transmission with duty cycle of j3, and is tight for low SNRs.  ... 
doi:10.1109/eeei.2008.4736636 fatcat:mr5yoyz2aneojjfxckh3uo7zfy

An Energy Efficiency Perspective on Training for Fading Channels

Mustafa Cenk Gursoy
2007 2007 IEEE International Symposium on Information Theory  
Energy efficiency is analyzed in the worst case scenario where the channel estimate is assumed to be perfect and the error in the estimate is considered as another source of additive Gaussian noise.  ...  Energy efficiency analysis is also carried out when peak power constraints are imposed on pilot signals.  ...  The capacity of the channel in (12), which acts as a lower bound on the capacity of the channel in (8) , is achieved by a Gaussian input with E{x d x † d } = (1 − δ * )mP m − 1 I where δ * is the optimal  ... 
doi:10.1109/isit.2007.4557387 dblp:conf/isit/Gursoy07a fatcat:4p2hhjeib5gdlkd52r6wulbdea

On-Off Frequency-Shift-Keying for Wideband Fading Channels [article]

Mustafa Cenk Gursoy, Sergio Verdu, H. Vincent Poor
2005 arXiv   pre-print
On the other hand, if there is only a peak power limitation, it is demonstrated that power efficiency improves as one operates with smaller SNR and vanishing duty factor.  ...  This paper investigates the potential of this modulation format in the context of wideband fading channels.  ...  Luo and Médard [11] have shown that FSK with small duty cycle can achieve rates of the order of capacity in ultrawideband systems with limits on bandwidth and peak power.  ... 
arXiv:cs/0510075v1 fatcat:mrvuah3cy5cgfhd6i2p3vjysrm

On-Off Frequency-Shift Keying for Wideband Fading Channels

Mustafa Cenk Gursoy, H. Vincent Poor, Sergio Verdú
2006 EURASIP Journal on Wireless Communications and Networking  
On the other hand, if there is only a peak power limitation, it is demonstrated that power efficiency improves as one operates with smaller SNR and vanishing duty factor.  ...  This paper investigates the potential of this modulation format in the context of wideband fading channels.  ...  Gallager [7, Section 8.6 ] also demonstrated that over fading channels M-ary orthogonal FSK signaling with vanishing duty cycle approaches the infinite bandwidth capacity of unfaded Gaussian channels  ... 
doi:10.1155/wcn/2006/98564 fatcat:ktxedtmhijdthgumwocufhx2mq

On the Performance of Peaky Capacity-Achieving Signaling on Multipath Fading Channels

D.S. Lun, M. Medard, I.C. Abou-Faycal
2004 IEEE Transactions on Communications  
an average power constraint.  ...  We analyze the error probability of peaky signaling on bandlimited multipath fading channels, the signaling strategy that achieves the capacity of such channels in the limit of infinite bandwidth under  ...  Given an infinite band, capacity can instead be reached using peaky signaling, i.e., transmitting with a low-duty-cycle frequency-shift-keying (FSK) scheme.  ... 
doi:10.1109/tcomm.2004.829512 fatcat:nnqtsfgpirf6dh6krbot5jbymy

Wideband Time Frequency Coding [article]

Kathleen Yang, Salman Salamatian, Rafael G. L . D'Oliveira, Muriel Medard
2022 arXiv   pre-print
In this work, we present one such scheme, called wideband time frequency coding, which achieves rates on the order of the additive white Gaussian noise capacity without requiring any channel state information  ...  The impacts of various parameters on the symbol error probability and capacity of wideband time frequency coding are investigated, and the results show that it is robust to shadowing and highly fading  ...  The capacity of WTFC remains stable as the bandwidth becomes large and is greater than the capacity of other modulations such as CDMA with a duty cycle, OFDM with a duty cycle, and PPM, whose capacities  ... 
arXiv:2205.15831v1 fatcat:ua7x7tp4ufektbhc7usis4egpi

Low SNR — When only decoding will do

Muriel Medard, Jinfeng Du
2014 2014 IEEE Global Conference on Signal and Information Processing (GlobalSIP)  
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.  ...  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).  ...  Given the same average received power constraint, the capacity of infinite-bandwidth fading channel without channel state information and the capacity of the infinite-bandwidth Gaussian channel are equal  ... 
doi:10.1109/globalsip.2014.7032248 dblp:conf/globalsip/MedardD14 fatcat:qwpajfbm6rfuhd3dp3a5mznnau

Service outage based power and rate control for Poisson fading channels

Kaushik Chakraborty, Massimo Franceschetti, Subhrakanti Dey
2008 2008 IEEE International Symposium on Information Theory  
The optimal power allocation scheme is shown to be a combination of the ergodic capacity-achieving power allocation and the outage capacity-achieving power allocation schemes with a randomization between  ...  The objective of this paper is to maximize the expected transmission rate subject to peak and average transmitter power constraints and a constraint on the service outage probability.  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers and the associate editor for their thorough reviews and constructive comments.  ... 
doi:10.1109/isit.2008.4595060 dblp:conf/isit/ChakrabortyFD08 fatcat:fdzjbtyravgyjfwv6fglybsm7i

Service-Outage-Based Power and Rate Control for Poisson Fading Channels

Kaushik Chakraborty, Subhrakanti Dey, Massimo Franceschetti
2009 IEEE Transactions on Information Theory  
The optimal power allocation scheme is shown to be a combination of the ergodic capacity-achieving power allocation and the outage capacity-achieving power allocation schemes with a randomization between  ...  The objective of this paper is to maximize the expected transmission rate subject to peak and average transmitter power constraints and a constraint on the service outage probability.  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers and the associate editor for their thorough reviews and constructive comments.  ... 
doi:10.1109/tit.2009.2015995 fatcat:xr22d6yhkbaj3hceiadmwdlte4

On Outage Capacity of MIMO Poisson Fading Channels

Kaushik Chakraborty, Subhrakanti Dey, Massimo Franceschetti
2007 2007 IEEE International Symposium on Information Theory  
An optimization formulation for the outage probability problem is outlined and an exact characterization of the optimal average conditional duty cycles is provided.  ...  Depending on the availability of a feedback link and amount of acceptable delay, the transmitter can be provided with complete or partial CSI, which can then be used for adaptive power control, thereby  ...  Acknowledgement The authors express their gratitude to the anonymous reviewers and the Associate Editor for their thorough reviews and constructive comments.  ... 
doi:10.1109/isit.2007.4557582 dblp:conf/isit/ChakrabortyDF07 fatcat:dq5kso7pebfyxc4yqv4y5i42ra
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