Modeling Beacon Period Length of the UWB and 60-GHz mmWave WPANs Based on ECMA-368 and ECMA-387 Standards

Ajorloo, Hossein; Shalmani, Mohammad Taghi Manzuri

doi:10.1109/tmc.2012.91

Cited by 14 publications

(15 citation statements)

References 17 publications

(19 reference statements)

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“…The proposed models have significant errors for wide angle antennas. This is due to the border effects of the network environment which causes a lesser value for N 2 as explained in [17]. Using more terms from Eq.…”

Section: Resultsmentioning

confidence: 99%

“…5) We also suppose that all devices completed BP contraction procedure. However, the problem can easily be changed to the case with no BP contraction by changing the BPL [17]. 6) Devices have incoming frame rate of λ frames per second (fps) with Poisson distribution.…”

Section: Modeling the Throughputmentioning

confidence: 99%

“…in which C 3 = n F P H + n V P H + n AT IF + n AM H + n HCS + n RSP (17) and the number of ACK payload octets is:…”

Section: Timing Parameters Of Framesmentioning

confidence: 99%

“…Therefore, the throughput is also a RV. The distribution functions of B, d and N 2 are computed in [17] and their final results are summarized in Appendix. In the next subsection, we find the distribution function of throughput.…”

Section: Timing Parameters Of Framesmentioning

confidence: 99%

“…DRP has two key features: its beaconing procedure and its distributed reservation. In our previous work, we modeled its beaconing protocol [17]. Here we focus on the second aspect of standard and propose a model on throughput of DRP based on the number of devices in network, transmission range (Tx range), antenna beamwidth, network dimensions size, ADR, BER, traffic load, payload size, and aggregation size.…”

Section: Introductionmentioning

confidence: 99%

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Throughput Modeling of Distributed Reservation Protocol

Ajorloo

Shalmani

2016

IEEE Trans. on Mobile Comput.

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To evaluate the performance of distributed medium access control (MAC) layer of emerging ultra wideband (UWB) and 60-GHz millimeter wave (mmWave) wireless personal area networks (WPANs) based on distributed reservation protocol (DRP) of ECMA-368 and ECMA-387 standards, we provide an analytical model for the probability distribution of steady state throughput as a function of the network dimensions size, number of devices, antenna beamwidth, transmission range, bit error rate (BER), antenna disturbance rate (ADR), aggregation length, payload size, and incoming frame rate. Using this model, the optimal payload size is computed as an example of optimization problem. We also propose a formula for the starvation and fairness and using them, we found a major flaw in DRP, i.e., its poor fairness. We develop a fair DRP (FDRP) protocol and modify our model to cover it. The models are evaluated by simulation of ad-hoc network scenarios and results show that the average error is less than 2%.

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Section: Resultsmentioning

confidence: 99%

Section: Modeling the Throughputmentioning

confidence: 99%

“…in which C 3 = n F P H + n V P H + n AT IF + n AM H + n HCS + n RSP (17) and the number of ACK payload octets is:…”

Section: Timing Parameters Of Framesmentioning

confidence: 99%

Section: Timing Parameters Of Framesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Throughput Modeling of Distributed Reservation Protocol

Ajorloo

Shalmani

2016

IEEE Trans. on Mobile Comput.

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A survey of millimeter wave communications (mmWave) for 5G: opportunities and challenges

et al. 2015

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With the explosive growth of mobile data demand, the fifth generation (5G) mobile network would exploit the enormous amount of spectrum in the millimeter wave (mmWave) bands to greatly increase communication capacity. There are fundamental differences between mmWave communications and existing other communication systems, in terms of high propagation loss, directivity, and sensitivity to blockage. These characteristics of mmWave communications pose several challenges to fully exploit the potential of mmWave communications, including integrated circuits and system design, interference management, spatial reuse, anti-blockage, and dynamics control. To address these challenges, we carry out a survey of existing solutions and standards, and propose design guidelines in architectures and protocols for mmWave communications. We also discuss the potential applications of mmWave communications in the 5G network, including the small cell access, the cellular access, and the wireless backhaul. Finally, we discuss relevant open research issues including the new physical layer technology, software-defined network architecture, measurements of network state information, efficient control mechanisms, and heterogeneous networking, which should be further investigated to facilitate the deployment of mmWave communication systems in the future 5G networks.

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A Comprehensive Survey on Millimeter Wave Communications for Fifth-Generation Wireless Networks: Feasibility and Challenges

2020

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Fifth-generation (5G) cellular networks will almost certainly operate in the high-bandwidth, underutilized millimeter-wave (mmWave) frequency spectrum, which offers the potentiality of highcapacity wireless transmission of multi-gigabit-per-second (Gbps) data rates. Despite the enormous available bandwidth potential, mmWave signal transmissions suffer from fundamental technical challenges like severe path loss, sensitivity to blockage, directivity, and narrow beamwidth, due to its short wavelengths. To effectively support system design and deployment, accurate channel modeling comprising several 5G technologies and scenarios is essential. This survey provides a comprehensive overview of several emerging technologies for 5G systems, such as massive multiple-input multiple-output (MIMO) technologies, multiple access technologies, hybrid analog-digital precoding and combining, non-orthogonal multiple access (NOMA), cell-free massive MIMO, and simultaneous wireless information and power transfer (SWIPT) technologies. These technologies induce distinct propagation characteristics and establish specific requirements on 5G channel modeling. To tackle these challenges, we first provide a survey of existing solutions and standards and discuss the radio-frequency (RF) spectrum and regulatory issues for mmWave communications. Second, we compared existing wireless communication techniques like sub-6-GHz WiFi and sub-6 GHz 4G LTE over mmWave communications which come with benefits comprising narrow beam, high signal quality, large capacity data transmission, and strong detection potential. Third, we describe the fundamental propagation characteristics of the mmWave band and survey the existing channel models for mmWave communications. Fourth, we track evolution and advancements in hybrid beamforming for massive MIMO systems in terms of system models of hybrid precoding architectures, hybrid analog and digital precoding/combining matrices, with the potential antenna configuration scenarios and mmWave channel estimation (CE) techniques. Fifth, we extend the scope of the discussion by including multiple access technologies for mmWave systems such as non-orthogonal multiple access (NOMA) and space-division multiple access (SDMA), with limited RF chains at the base station. Lastly, we explore the integration of SWIPT in mmWave massive MIMO systems, with limited RF chains, to realize spectrally and energy-efficient communications. INDEX TERMS Millimeter wave communications, propagation, channel measurements, channel models, MIMO, hybrid precoding, non-orthogonal multiple access (NOMA), multiple access techniques, simultaneous wireless information and power transfer (SWIPT), RF energy harvesting. NOMENCLATURE 2D Two-dimensional. 3D Three-dimensional The associate editor coordinating the review of this manuscript and approving it for publication was Jiayi Zhang .

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Modeling Beacon Period Length of the UWB and 60-GHz mmWave WPANs Based on ECMA-368 and ECMA-387 Standards

Cited by 14 publications

References 17 publications

Throughput Modeling of Distributed Reservation Protocol

Throughput Modeling of Distributed Reservation Protocol

A survey of millimeter wave communications (mmWave) for 5G: opportunities and challenges

A Comprehensive Survey on Millimeter Wave Communications for Fifth-Generation Wireless Networks: Feasibility and Challenges

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