IEEE 802.11ad: Defining the Next Generation Multi-Gbps Wi-Fi

Perahia, Eldad; Cordeiro, Carlos; Park, Minyoung; Yang, Lixin

doi:10.1109/ccnc.2010.5421713

Cited by 195 publications

(115 citation statements)

References 3 publications

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“…However, the overall search time is prohibitive, because the number of candidate beam directions is usually large for mmWave communication. To improve the search efficiency, a hierarchy of codebooks may be defined [3], [17], [18], [25]- [27]. For example, a coarse codebook may be defined with a small number of coarse/low-resolution beams (or sectors) covering the intended angle range, while a fine codebook may be defined with a large number of fine/highresolution beams covering the same intended angle range, and that a coarse beam may have the same/similar coverage as that of multiple fine beams together.…”

mentioning

confidence: 99%

Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication

Xiao

Xia

et al. 2016

IEEE Trans. Wireless Commun.

505

389

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Abstract-In millimeter-wave communication, large antenna arrays are required to achieve high power gain by steering towards each other with narrow beams, which poses the problem to efficiently search the best beam direction in the angle domain at both Tx and Rx sides. As the exhaustive search is time consuming, hierarchical search has been widely accepted to reduce the complexity, and its performance is highly dependent on the codebook design. In this paper, we propose two basic criteria for the hierarchical codebook design, and devise an efficient hierarchical codebook by jointly exploiting sub-array and deactivation (turning-off) antenna processing techniques, where closed-form expressions are provided to generate the codebook. Performance evaluations are conducted under different system and channel models. Results show superiority of the proposed codebook over the existing alternatives.Index Terms-Millimeter wave communication, mmWave, beamforming, codebook design, hierarchial search.

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mentioning

confidence: 99%

Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication

Xiao

Xia

et al. 2016

IEEE Trans. Wireless Commun.

505

389

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“…In general, compute-intensive tasks require a small amount of data transfer compared to huge amount of complex processing. Moreover, the wireless communication technologies also have evolved to support several megabits for cellular networks to several Gigabits for Wi-Fi networks [12], [13], [14]. In a recent work [15] Khoda et al showed that task migration from a local mobile device to a remote cloud can maximise energy saving while maintaining strict latency requirements of user tasks in 5G systems.…”

Section: Proceedings Of the 23rd International Conference On Automatimentioning

confidence: 99%

Effective task migration to reduce execution time in mobile cloud computing

Saha

Hasan

2017

2017 23rd International Conference on Automation and Computing (ICAC)

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Abstract-With the advancements of mobile technologies, different compute-intensive tasks are emerging rapidly. However, due to resource constraints, these tasks are facing challenges to execute on mobile devices. As a solution to this problem, cloud migration has been introduced to execute a task on the cloud and then to return the results to the user mobile device. In this paper, a cloud migration decision making algorithm for compute-intensive tasks has been proposed to determine the feasibility of execution on a cloud server instead of a mobile device. Furthermore, the performances between mobile and cloud executions have been investigated which shows that the task completion time can be minimised by 6-8 times when a cloud server is utilised.

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“…The second step made by the wireless industry is IEEE 802.11ad standard, widely known as WiGig [78]. The main requirement here is to enable the throughputs of at least 1 Gbps on top of the MAC layer.…”

Section: Candidate Connectivity Solutionsmentioning

confidence: 99%

Secure and Connected Wearable Intelligence for Content Delivery at a Mass Event: A Case Study

Ometov

Solomitckii

Olsson

et al. 2017

JSAN

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Presently, smart and connected wearable systems, such as on-body sensors and head-mounted displays, as well as other small form factor but powerful personal computers are rapidly pervading all areas of our life. Motivated by the opportunities that next-generation wearable intelligence is expected to provide, the goal of this work is to build a comprehensive understanding around some of the user-centric security and trust aspects of the emerging wearable and close-to-body wireless systems operating in mass events and under heterogeneous conditions. The paper thus intends to bring the attention of the research community to this emerging paradigm and discuss the pressing security and connectivity challenges within a popular consumer context. Our selected target scenario is that of a sports match, where wearable-equipped users may receive their preferred data over various radio access protocols. We also propose an authentication framework that allows for delivery of the desired content securely within the considered ecosystem.

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IEEE 802.11ad: Defining the Next Generation Multi-Gbps Wi-Fi

Cited by 195 publications

References 3 publications

Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication

Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication

Effective task migration to reduce execution time in mobile cloud computing

Secure and Connected Wearable Intelligence for Content Delivery at a Mass Event: A Case Study

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