Buffer-aided relaying with mixed rate transmission

Nikola Zlatanov; Robert Schober

doi:10.1109/IWCMC.2012.6314170

Buffer-aided relaying with mixed rate transmission

Nikola Zlatanov, Robert Schober

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

2 Citations (Scopus)

Abstract

We investigate a simple three-node network consisting of a source, a half-duplex decode-and-forward relay with a buffer, and a destination. We assume that a direct source-destination link is not available and all links undergo fading. We consider the case where the source has no channel state information (CSI) and thus is forced to transmit with a fixed rate. On the other hand, the relay has full CSI and thus is able to adapt its rate to the underlaying channel. We propose a buffer-aided relaying protocol which allows the relay to choose its transmission and reception time slots adaptively and based on the quality of the source-relay and relay-destination links. For this system, we derive the maximum achievable throughput and the fraction of throughput lost due to outages. Our results reveal that compared to the conventional case when the relay always alternates between reception and transmission, a throughput gain of up to 100% is possible.

Original language	English
Title of host publication	2012 8th International Wireless Communications and Mobile Computing Conference, IWCMC 2012
Subtitle of host publication	Limassol, Cyprus; 27-31 August 2012
Place of Publication	Piscataway NJ USA
Publisher	IEEE, Institute of Electrical and Electronics Engineers
Pages	13-18
Number of pages	6
ISBN (Print)	9781457713781
DOIs	https://doi.org/10.1109/IWCMC.2012.6314170
Publication status	Published - 2012
Externally published	Yes
Event	ACM International Wireless Communications and Mobile Computing Conference 2012 - Grand Resort Hotel, Limassol, Cyprus Duration: 27 Aug 2012 → 31 Aug 2012 Conference number: 8th http://iwcmc.org/2012/ https://ieeexplore.ieee.org/xpl/conhome/6299140/proceeding

Conference

Conference	ACM International Wireless Communications and Mobile Computing Conference 2012
Abbreviated title	IWCMC 2012
Country/Territory	Cyprus
City	Limassol
Period	27/08/12 → 31/08/12
Internet address	http://iwcmc.org/2012/ https://ieeexplore.ieee.org/xpl/conhome/6299140/proceeding

Keywords

adaptive link selection
Buffer-aided
delay
relaying
throughput

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10.1109/IWCMC.2012.6314170Licence: Unspecified

Cite this

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abstract = "We investigate a simple three-node network consisting of a source, a half-duplex decode-and-forward relay with a buffer, and a destination. We assume that a direct source-destination link is not available and all links undergo fading. We consider the case where the source has no channel state information (CSI) and thus is forced to transmit with a fixed rate. On the other hand, the relay has full CSI and thus is able to adapt its rate to the underlaying channel. We propose a buffer-aided relaying protocol which allows the relay to choose its transmission and reception time slots adaptively and based on the quality of the source-relay and relay-destination links. For this system, we derive the maximum achievable throughput and the fraction of throughput lost due to outages. Our results reveal that compared to the conventional case when the relay always alternates between reception and transmission, a throughput gain of up to 100% is possible.",

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note = "ACM International Wireless Communications and Mobile Computing Conference 2012, IWCMC 2012 ; Conference date: 27-08-2012 Through 31-08-2012",

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Zlatanov, N & Schober, R 2012, Buffer-aided relaying with mixed rate transmission. in 2012 8th International Wireless Communications and Mobile Computing Conference, IWCMC 2012: Limassol, Cyprus; 27-31 August 2012., 6314170, IEEE, Institute of Electrical and Electronics Engineers, Piscataway NJ USA, pp. 13-18, ACM International Wireless Communications and Mobile Computing Conference 2012, Limassol, Cyprus, 27/08/12. https://doi.org/10.1109/IWCMC.2012.6314170

Buffer-aided relaying with mixed rate transmission. / Zlatanov, Nikola; Schober, Robert.
2012 8th International Wireless Communications and Mobile Computing Conference, IWCMC 2012: Limassol, Cyprus; 27-31 August 2012. Piscataway NJ USA: IEEE, Institute of Electrical and Electronics Engineers, 2012. p. 13-18 6314170.

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

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AU - Schober, Robert

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N2 - We investigate a simple three-node network consisting of a source, a half-duplex decode-and-forward relay with a buffer, and a destination. We assume that a direct source-destination link is not available and all links undergo fading. We consider the case where the source has no channel state information (CSI) and thus is forced to transmit with a fixed rate. On the other hand, the relay has full CSI and thus is able to adapt its rate to the underlaying channel. We propose a buffer-aided relaying protocol which allows the relay to choose its transmission and reception time slots adaptively and based on the quality of the source-relay and relay-destination links. For this system, we derive the maximum achievable throughput and the fraction of throughput lost due to outages. Our results reveal that compared to the conventional case when the relay always alternates between reception and transmission, a throughput gain of up to 100% is possible.

AB - We investigate a simple three-node network consisting of a source, a half-duplex decode-and-forward relay with a buffer, and a destination. We assume that a direct source-destination link is not available and all links undergo fading. We consider the case where the source has no channel state information (CSI) and thus is forced to transmit with a fixed rate. On the other hand, the relay has full CSI and thus is able to adapt its rate to the underlaying channel. We propose a buffer-aided relaying protocol which allows the relay to choose its transmission and reception time slots adaptively and based on the quality of the source-relay and relay-destination links. For this system, we derive the maximum achievable throughput and the fraction of throughput lost due to outages. Our results reveal that compared to the conventional case when the relay always alternates between reception and transmission, a throughput gain of up to 100% is possible.

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Buffer-aided relaying with mixed rate transmission

Abstract

Conference

Keywords

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