Toward Robust Relay Placement in 60 GHz mmWave Wireless Personal Area Networks with Directional Antenna

Zheng, Guanbo; Hua, Cunqing; Zheng, Rong; Wang, Qixin

doi:10.1109/tmc.2015.2425409

Cited by 29 publications

(21 citation statements)

References 21 publications

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“…Instead of making use of existing devices as relays, the authors of [41] sought to place relays in positions that optimize a given metric. In particular, they address the (i) Robust Minimum Relay Placement (RMRP) problem; i.e., use fewest relays to satisfy minimum system requirements, and (ii) Robust Maximum Utility Relay Placement (RMURP); i.e., use no more than a fixed number of relays to maximize network utility.…”

Section: Active Relaysmentioning

confidence: 99%

“…Another problem is identifying the most suitable relays or routes quickly and also one that yields a high data rate. This can be carried out over existing relays or via manual placement; e.g., [41]. To date, only reference [20] has considered multi-path routing over relays.…”

Section: Passive Relaysmentioning

confidence: 99%

“…A fundamental problem is the configuration of reflectors, meaning a placement that maximizes SNR or a policy that exploits these reflectors for diversity gain in the presence of human movements. In this respect, all authors assume passive reflectors are preinstalled, and hence, incorporating dynamic relay placement strategies such as those in [41] will be an interesting future work.…”

Section: Passive Relaysmentioning

confidence: 99%

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A survey of single and multi-hop link schedulers for mmWave wireless systems

Song

Chin

2015

Ad Hoc Networks

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Wireless communication at 60. GHz, aka mmWave, provides extremely high data rates, i.e., several Gb/s. Moreover, devices have a much shorter transmission range as compared to those operating in the 2.4 and 5. GHz bands. Indeed, links can be treated as pseudo-wires with minimal interference leakage. As a result, future 60. GHz systems will have very high spatial reuse. This, however, is at the expense of high propagation loss, which can be overcome using directional or smart antennas. Another promising solution is to employ relays to boost the signal of weak links. In particular, if relays are properly selected, they are able to offer higher data rates than direct links, and also help circumvent obstacles. To this end, we review state-of-the-art schedulers that take advantage of the high spatial re-use afforded by 60. GHz wireless systems to activate multiple links within a channel time allocation. Moreover, we survey works that use passive and active relays to overcome obstacles and to facilitate novel applications. We also survey those that maximize both spatial reuse and throughput of both direct and indirect (relay) links simultaneously. Wireless communication at 60 GHz, aka mmWave, provides extremely high data rates, i.e., several Gb/s. Moreover, devices have a much shorter transmission range as compared to those operating in the 2.4 and 5 GHz bands. Indeed, links can be treated as pseudo-wires with minimal interference leakage. As a result, future 60 GHz systems will have very high spatial reuse. This, however, is at the expense of high propagation loss, which can be overcome using directional antennas. Another promising solution is to employ relays to forward data from senders to receivers. In particular, if relays are properly selected, they are able to offer higher data rates than direct links, and also help circumvent obstacles. To this end, we review state-of-the-art schedulers that take advantage of the high spatial re-use afforded by 60 GHz wireless systems to activate multiple links within a channel time allocation. Moreover, we survey works that use passive and active relays to overcome obstacles and facilitate novel applications. We also survey those that maximize both spatial reuse and throughput of both direct and indirect (relay) links simultaneously.

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Section: Active Relaysmentioning

confidence: 99%

Section: Passive Relaysmentioning

confidence: 99%

Section: Passive Relaysmentioning

confidence: 99%

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A survey of single and multi-hop link schedulers for mmWave wireless systems

Song

Chin

2015

Ad Hoc Networks

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“…The most widely studied problem in 2-hop relaying for device-to-device outdoor communication is relay selection, i.e., determining the minimum number of deployed relays [25],and/or best relay configuration, in order to optimize the quality of communication [8], [26]- [29]. Typically, relay selection requires instantaneous Channel State Information (CSI) between the source and relays, and the relays and destination.…”

Section: Introductionmentioning

confidence: 99%

Cooperative Beamforming With Predictive Relay Selection for Urban mmWave Communications

2019

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While millimeter wave (mmWave) communications promise high data rates, their sensitivity to blockage and severe signal attenuation presents challenges in their deployment in urban settings. To overcome these effects, we consider a distributed cooperative beamforming system, which relies on static relays deployed in clusters with similar channel characteristics, and where, at every time instance, only one relay from each cluster is selected to participate in beamforming to the destination. To meet the quality-of-service guarantees of the network, a key prerequisite for beamforming is relay selection. However, as the channels change with time, relay selection becomes a resource demanding task. Indeed, estimation of channel state information for all candidate relays, essential for relay selection, is a process that takes up bandwidth, wastes power and introduces latency and interference in the network. We instead propose a unique, predictive scheme for resource efficient relay selection, which exploits the special propagation patterns of the mmWave medium, and can be executed distributively across clusters, and in parallel to optimal beamforming-based communication. The proposed predictive scheme efficiently exploits spatiotemporal channel correlations with current and past networkwide Received Signal Strength (RSS), the latter being invariant to relay cluster size, measured sequentially during the operation of the system. Our numerical results confirm that our proposed relay selection strategy outperforms any randomized selection policy that does not exploit channel correlations, whereas, at the same time, it performs very close to an ideal scheme that uses complete, cluster size dependent RSS, and offers significant savings in terms of channel estimation overhead, providing substantially better network utilization, especially in dense topologies, typical in mmWave networks.Index Terms-mmWave, cooperative relay beamforming, relay selection, 2-hop relaying, mmWave channel modeling, Vehicle-to-Infrastructure.

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“…In recent years, many foreign academic communities and enterprise alliances were opened for the research of the 60GHz pulse wireless communication technology. But the research is mainly focused on the design of transceiver [16,18,21], the establishment of channel model [2,9], the standards the physical layer and MAC layer of communication [10], the transceiver antenna beam shaping [12,13,26] and so on. Currently, the research of the 60GHz pulse positioning is still relatively deficient, and lack of an integral theoretical system.…”

Section: Introductionmentioning

confidence: 99%

Indoor precise positioning algorithm using 60GHz pulse based on compressive sensing

Han¹,

Wang²,

Shi³

et al. 2016

J. Math. Computer Sci.

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Aiming at the existing defect of poor positioning accuracy in NLOS (Non Line of Sight) environment for most of the common indoor positioning algorithms, this paper proposes a precise indoor positioning algorithm using 60GHz pulse based on compressed sensing. The proposed algorithm converts the location of the target nodes in the area to be located into a sparse vector and designs the over-completed dictionary using TOA (Time of Arrival)-based ranging, then takes advantage of the l 1 -minimization to reconstruct the location of the target nodes. The algorithm divides the positioning process into coarse positioning and fine positioning, and introduces the reference node selection mechanism in fine positioning. The algorithm not only can achieve the positioning of single target, but also achieve the positioning of multiple targets. Through the theoretical analysis and experiment simulation results, we can conclude that the proposed algorithm using 60GHz pulse can achieve precise indoor positioning in NLOS environment and centimeter-level positioning precision can be obtained compared with TOA based 60GHz geometric positioning algorithm.

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Toward Robust Relay Placement in 60 GHz mmWave Wireless Personal Area Networks with Directional Antenna

Cited by 29 publications

References 21 publications

A survey of single and multi-hop link schedulers for mmWave wireless systems

A survey of single and multi-hop link schedulers for mmWave wireless systems

Cooperative Beamforming With Predictive Relay Selection for Urban mmWave Communications

Indoor precise positioning algorithm using 60GHz pulse based on compressive sensing

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