An effective resource allocation medium access control protocol for radio-over-fiber access networks based on wavelength reuse

Vasileiou, G.; Papadimitriou, Georgios I.; Nicopolitidis, Petros; Sarigiannidis, Panagiotis

doi:10.1016/j.comcom.2016.05.001

Cited by 6 publications

(4 citation statements)

References 31 publications

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“…An analytical model for RoF WLANs is presented in [13], while the performance of IEEE 802.11n aggregation mechanism in RoF systems is investigated in [14]. Also, MAC protocols in RoF implementations at the 60 GHz wireless domain are presented in [15,16].…”

Section: Related Workmentioning

confidence: 99%

A Hybrid Link-TDMA MAC Protocol for Conventional and Radio over Fiber WLANs

Valkanis

Nicopolitidis

Papadimitriou

2020

Wireless Communications and Mobile Computing

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During the last two decades, the IEEE 8201.11 family has multiplied data rate transmissions in wireless local area networks (WLANs). This progress is based on the adoption of new technologies concerning physical layer (PHY), combined with the enhancements in the medium access control (MAC) layer. Radio over Fiber (RoF) is a technology which can further extend this progress, combining the benefits of optical fiber and wireless networks. The current IEEE 802.11 MAC protocol is contention based, which leads to low utilization of the RoF PHY data rate and on the other hand cannot handle the effects of long propagation delays in RoF networks. In this paper, we present a new Hybrid Link Time Division Multiple Access (HL-TDMA) MAC protocol which addresses the above shortcomings and enhances the performance of both conventional and RoF WLANs. Then, through simulation, we evaluate the performance of the proposed protocol, which is shown to be superior to relevant RoF WLAN protocols in the literature.

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Section: Related Workmentioning

confidence: 99%

A Hybrid Link-TDMA MAC Protocol for Conventional and Radio over Fiber WLANs

Valkanis

Nicopolitidis

Papadimitriou

2020

Wireless Communications and Mobile Computing

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“…The analogue radio over (A-RoF) based true-time delay is a low-cost yet high-performance RAN solution with ultralight remote radio head (RRH) [6], [14], [16]- [20], where the RAN is separated between the central unit (CU) and several RRHs and is capable of reducing both its power-consumption and complexity. Explicitly, the A-RoF aided beamformer was proposed for providing beam-squinting free beamforming using the uniform fiber Bragg grating (FBG) [15], [21], [22] or a single chirped FBG (CFBG) [23], [24].…”

Section: Introductionmentioning

confidence: 99%

Analog Radio Over Fiber-Aided Multi-Service Communications for High-Speed Trains

Ghafoor

El‐Hajjar

2022

IEEE Open J. Commun. Soc.

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High speed trains (HST) have gradually become an essential means of transportation, where given our digital world, it is expected that passengers will be connected all the time. More specifically, the on-board passengers require fast mobile connections, which cannot be provided by the currently implemented cellular networks. Hence, in this article, we propose an analogue radio over fiber (A-RoF) aided multi-service network architecture for high-speed trains, in order to enhance the quality of service as well as reduce the cost of the radio access network (RAN). The proposed design can simultaneously support sub-6GHz as well as millimetre wave (mmWave) communications using the same architecture. Explicitly, we design a photonics aided beamforming technique in order to eliminate the bulky high-speed electronic phase-shifters and the hostile broadband mmWave mixers while providing a low-cost RAN solution. Finally, a beamforming range of 180 • is demonstrated with a high resolution using our proposed system.

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“…The analogue radio over (A-RoF) based true-time delay is a low-cost yet high-performance RAN solution with ultralight remote radio head (RRH) [6], [14], [16]- [20], where the RAN is separated between the central unit (CU) and several RRHs and is capable of reducing both its powerconsumption and complexity. Explicitly, the A-RoF aided beamformer was proposed for providing beam-squinting free beamforming using the uniform fiber Bragg grating (FBG) [15], [21], [22] or a single chirped FBG (CFBG) [23], [24].…”

Section: Introductionmentioning

confidence: 99%

Analogue Radio over Fiber aided Multi-service Communications for High Speed Trains

Li¹,

Ghafoor²,

El‐Hajjar³

2021

Preprint

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High speed trains (HST) have gradually become an essential means of transportation, where given our digital world, it is expected that passengers will be connected all the time. More specifically, the on-board passengers require fast mobile connections, which cannot be provided by the currently implemented cellular networks. Hence, in this article, we propose an analogue radio over fiber (A-RoF) aided multi-service network architecture for high-speed trains, in order to enhance the quality of service as well as reduce the cost of the radio access network (RAN). The proposed design can simultaneously support sub-6GHz as well as milimeter wave (mmWave) communications using the same architecture. Explicitly, we design a photonics aided beamforming technique in order to eliminate the bulky high-speed electronic phase-shifters and the hostile broadband mmWave mixers while providing a low-cost RAN solution. Finally, a beamforming range of 180 • is demonstrated with a high resolution using our proposed system.

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An effective resource allocation medium access control protocol for radio-over-fiber access networks based on wavelength reuse

Cited by 6 publications

References 31 publications

A Hybrid Link-TDMA MAC Protocol for Conventional and Radio over Fiber WLANs

A Hybrid Link-TDMA MAC Protocol for Conventional and Radio over Fiber WLANs

Analog Radio Over Fiber-Aided Multi-Service Communications for High-Speed Trains

Analogue Radio over Fiber aided Multi-service Communications for High Speed Trains

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