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Ergodic and Outage Performance of Fading Broadcast Channels with 1-Bit Feedback [article]

Bo Niu, Osvaldo Simeone, Oren Somekh, Alexander M. Haimovich
2010 arXiv   pre-print
The outage performance of the 1-bit feedback scheme for both instantaneous and outdated feedback is then investigated.  ...  In this paper, the ergodic sum-rate and outage probability of a downlink single-antenna channel with K users are analyzed in the presence of Rayleigh flat fading, where limited channel state information  ...  We first focus on the achievable ergodic sum-rate of broadcast channels with outdated 1-bit feedback per user and fading block.  ... 
arXiv:1001.1478v1 fatcat:4kbjmh3g7vgdlgtzvyy6apahq4

Ergodic and Outage Performance of Fading Broadcast Channels With 1-Bit Feedback

Bo Niu, O. Simeone, O. Somekh, A.M. Haimovich
2010 IEEE Transactions on Vehicular Technology  
The outage performance of the 1-bit feedback scheme for both instantaneous and outdated feedback is then investigated.  ...  In this paper, the ergodic sum-rate and outage probability of a downlink single-antenna channel with K users are analyzed in the presence of Rayleigh flat fading, where limited channel state information  ...  We first focus on the achievable ergodic sum-rate of broadcast channels with outdated 1-bit feedback per user and fading block.  ... 
doi:10.1109/tvt.2009.2038924 fatcat:5gvolthbeveslap7k5fjju6k4q

On the outage and diversity-multiplexing tradeoff of broadcast channels with 1-bit feedback

Bo Niu, Alexander M. Haimovich
2010 2010 IEEE International Conference on Acoustics, Speech and Signal Processing  
We study the outage performance of such channels. The two cases of short-term and long-term average power constraints are analyzed.  ...  A limited channel state information (CSI) feedback scheme is considered, where only 1-bit feedback per user is available at the base station for each fading block.  ...  CONCLUDING REMARKS In this work, the outage of a SISO broadcast channel with quasistatic Rayleigh fading and CSI feedback limited to only 1-bit is investigated.  ... 
doi:10.1109/icassp.2010.5496000 dblp:conf/icassp/NiuH10 fatcat:7l4jvpwovzcevjfizvgkbcw24a

Achievable Rates with Imperfect Transmitter Side Information Using a Broadcast Transmission Strategy

Avi Steiner, Shlomo Shamai
2008 IEEE Transactions on Wireless Communications  
We investigate the performance of the broadcast approach for various fading distributions, which correspond to different models of partial transmit channel state information (CSI).  ...  The first model considered is the quantized limited feedback. In this model, the receiver can send as feedback only a finite number of bits describing the fading gain.  ...  enhanced the technical quality and lucidity of the paper.  ... 
doi:10.1109/twc.2008.060815 fatcat:svamndgd7besnlmipsesnmuawy

On Repetition Protocols and Power Control for Multiple Access Block-Fading Channels [article]

Davide Barbieri, Daniela Tuninetti
2010 arXiv   pre-print
In this paper we study the long-term throughput performance of repetition protocols coupled with power control for multiple access block-fading channels.  ...  are used for acknowledgment only or for power control only; we show that the throughput is very close to the ultimate ergodic multi-user water-filling capacity for small number of feedback bits and/or  ...  Rayleigh fading MAC with about one bit of feedback per user.  ... 
arXiv:1009.4503v1 fatcat:gq22ylk7d5bqhktp7j4jlnwgiq

An Overview of Physical Layer Security in Wireless Communication Systems With CSIT Uncertainty

Amal Hyadi, Zouheir Rezki, Mohamed-Slim Alouini
2016 IEEE Access  
The concept of physical layer security builds on the pivotal idea of turning the channel's imperfections, such as noise and fading, into a source of security.  ...  INDEX TERMS Physical layer security, fading channels, channel state information, estimation error, rate-limited feedback, outdated CSI.  ...  The secrecy outage performance with CSI feedback delay and TAS is also addressed in [119] and [120] , for MIMO wiretap channels.  ... 
doi:10.1109/access.2016.2612585 fatcat:lhpjsjnkl5gg7oqjticfmww3x4

Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study

Stefan Valentin, Holger Karl
2010 Transactions on Emerging Telecommunications Technologies  
To achieve multiuser diversity gains, resource allocation relies on accurate and timely feedback of the users' channel states.  ...  This significantly improves error rate and ergodic sum capacity even if overhead is taken into account.  ...  EFFECTS OF FEEDBACK ERRORS AND OVERHEAD Starting from the standard definitions of ergodic sum capacity and outage probability for the ideal OFDM downlink [1] we now discuss the degrading effects of feedback  ... 
doi:10.1002/ett.1454 fatcat:wxnnzfd4dvblpbwh62ebljelmy

Improving the throughput of cognitive radio networks using the broadcast approach

Lokman Sboui, Zouheir Rezki, Mohamed-Slim Alouini
2013 2013 IEEE Global Communications Conference (GLOBECOM)  
Index Terms-Underlay cognitive radio, achievable rate, broadcast approach, quantized CSI, fading channels.  ...  We study the impact of adopting a multi layer coding (MLC) strategy, i.e., the so-called broadcast approach (BA) on the throughput of Cognitive Radio (CR) spectrum sharing systems for general fading channels  ...  Achievable rate of the secondary user with quantized CSI versus P S T , for different number of feedback bits. scenario when a broadcast approach (BA) is adopted.  ... 
doi:10.1109/glocom.2013.6831237 dblp:conf/globecom/SbouiRA13 fatcat:vyc4zbto6zf7dj4x2idhpeinhu

Optimal power policies and throughput scaling analyses in fading cognitive broadcast channels with primary outage probability constraint

Athipat Limmanee, Subhrakanti Dey, Ehsan Nekouei
2014 EURASIP Journal on Wireless Communications and Networking  
This paper focuses on a spectrum-sharing-based fading cognitive radio broadcast channel (BC) with a single-antenna secondary base station (SBS) and M single-antenna secondary receivers (SRs) utilizing  ...  To reduce the amount of channel side information (CSI) transferred between the two networks, we propose a suboptimal transmission scheme which requires only 1-bit feedback from the delay-sensitive PR (  ...  with various types of fading channels was investigated in [22] .  ... 
doi:10.1186/1687-1499-2014-35 fatcat:4nlzmtt33rbsfifrlruk5fr6nm

Wireless Physical Layer Security with Imperfect Channel State Information: A Survey [article]

Biao He, Xiangyun Zhou, Thushara D. Abhayapala
2013 arXiv   pre-print
We first present an overview of the main information-theoretic measures of the secrecy performance with imperfect CSI.  ...  This paper provides a survey of recent research and development in physical layer security considering the imperfect channel state information (CSI) at communication nodes.  ...  To measure the performance of secure transmissions over fading channels with imperfect CSI, ergodic secrecy capacity and outage-based characterizations are often adopted.  ... 
arXiv:1307.4146v2 fatcat:nvho2lziqjep5my2zlibtk6hpm

Optimized quantization resolution for limited CSI feedback with outage

Richard Fritzsche, Gerhard P. Fettweis
2014 2014 11th International Symposium on Wireless Communications Systems (ISWCS)  
The quantization resolution together with the code strength correspond to a certain amount of feedback bits.  ...  While existing feedback schemes use a fixed quantization resolution, this work proposes a scheme which finds the optimal number of quantization bits for minimizing the channel uncertainty at the transmitter  ...  FEEDBACK WITH OUTAGE In the following it is assumed that the uplink signaling rate is determined according to the channel's long term-condition and is not adapted to the fading state.  ... 
doi:10.1109/iswcs.2014.6933421 dblp:conf/iswcs/FritzscheF14 fatcat:huz5v6eyovfe5jrtqltlyougtu

Efficient algorithms for outage minimization in parallel fading channels with limited feedback

Yuan Yuan He, Subhrakanti Dey
2009 2009 47th Annual Allerton Conference on Communication, Control, and Computing (Allerton)  
For large number of channels, less than 1 bit of (broadcast) feedback per channel can achieve the same outage probability (10 −4 ) with approximately only a 2.5 dB average power (or average SNR) gap.  ...  Extensive numerical results illustrate that only a few bits of feedback (for M = 4 or M = 6) closes the gap substantially in outage performance with the full instantaneous channel information at the transmitter  ...  Fig. 3 . 3 Outage performance comparison between OPAS and OPAS+OSLA with 2 channels 1 bits feedback.  ... 
doi:10.1109/allerton.2009.5394939 fatcat:vgedcpknkndfxhxzz6tujny43q

Delay-Limited and Ergodic Capacities of MIMO Channels With Limited Feedback

Erdem Koyuncu, Hamid Jafarkhani
2016 IEEE Transactions on Communications  
is greater than 1 bit per channel state.  ...  We consider a fixed data rate slow-fading MIMO channel with a long-term power constraint P at the transmitter.  ...  Outage probability and delay-limited capacity are relevant performance measures when the channel codewords are assumed to span only a fixed finite number of, say B, fading blocks.  ... 
doi:10.1109/tcomm.2016.2590546 fatcat:p3yjjbymhvaczgr3yensqagchy

On the average rate performance of hybrid-ARQ in quasi-static fading channels

Cong Shen, Tie Liu, Michael Fitz
2009 IEEE Transactions on Communications  
rate, outage probability, and the combination of both.  ...  The problem of efficient communication over a scalar quasi-static wireless fading channel is considered in this paper.  ...  Figure 4 shows the average rate performance of SLT, MLT, INR and ergodic capacity of a SIMO Rayleigh fading channel with L r = 2 or L r = 4.  ... 
doi:10.1109/tcomm.2009.11.080072 fatcat:zgjsqku6sbcnfkslgvfvtg7vxa

Coded Caching with User Grouping over Wireless Channels

Busra Tegin, Tolga M. Duman
2020 IEEE Wireless Communications Letters  
We study coded caching over non-ergodic fading channels.  ...  As the multicast capacity of a broadcast channel is restricted by the user experiencing the worst channel conditions, we formulate an optimization problem to minimize the transmission time by grouping  ...  Since the channels are non-ergodic, the server chooses not to serve the users with low SNRs, and puts them in outage.  ... 
doi:10.1109/lwc.2020.2975661 fatcat:kbidiihnanhnpfyofuijx4cnsi
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