Space Division Multiple Access With Distributed User Grouping for Multi-User MIMO-VLC Systems
IEEE Open Journal of the Communications Society, 2020 To support multiple users in an indoor multiple-input multiple-output visible light communication (MIMO-VLC) system adopting spatial multiplexing, orthogonal frequency division multiple access (OFDMA) is usually adopted, where the overall modulation ...
Chen Chen +4 more
doaj +1 more source
Generalized Group Profiling for Content Customization [PDF]
, 2016 There is an ongoing debate on personalization, adapting results to the unique user exploiting a user's personal history, versus customization, adapting results to a group profile sharing one or more characteristics with the user at hand.
Azarbonyad, Hosein +3 more
core +2 more sources
Dynamic User Grouping and Joint Resource Allocation with Multi-Cell Cooperation for Uplink Virtual MIMO Systems [PDF]
, 2017 This paper proposes a novel joint resource allocation algorithm combining dynamic user grouping, multi-cell cooperation and resource block (RB) allocation for single carrier-frequency division multiple access (SC-FDMA) uplink in multicell virtual MIMO ...
Li, Wenna +3 more
core +1 more source
User grouping and power allocation algorithm for UAV-aided NOMA network
Tongxin xuebao, 2020 To improve the transmission flexibility of emergency communication scenarios,a joint user grouping and power allocation algorithm was proposed for UAV-aided non-orthogonal multiple access (NOMA) system.A sum-rate maximization resource allocation ...
Guoquan LI +4 more
doaj +2 more sources
Pilot Power Allocation Through User Grouping in Multi-Cell Massive MIMO Systems [PDF]
, 2016 In this paper, we propose a relative channel estimation error (RCEE) metric, and derive closed-form expressions for its expectation $\rm {Exp}_{rcee}$ and the achievable uplink rate holding for any number of base station antennas $M$, with the least ...
Jiang, Tao +4 more
core +2 more sources
Visual grouping in menu interfaces [PDF]
, 2015 Menu interfaces often arrange options into semantic groups. This semantic structure is then usually conveyed to the user by supplementary visual grouping cues.
Brumby, DP, Zhuang, S
core +1 more source
Spectral Efficiency Optimization of Uplink Millimeter Wave MIMO-NOMA Systems
Sensors, 2022 In this paper, we considered uplink communication, focusing on the improvement of spectral efficiency (SE) for millimeter wave (mmWave) multiple-input multiple-output non-orthogonal multiple access (MIMO-NOMA) systems.
Yinhao Zhang +5 more
doaj +1 more source
Grouping Based Blind Interference Alignment for $K$-user MISO Interference Channels
, 2015 We propose a blind interference alignment (BIA) through staggered antenna switching scheme with no ideal channel assumption. Contrary to the ideal assumption that channels remain constant during BIA symbol extension period, when the coherence time of the
Lee, Jungwoo +2 more
core +1 more source
Wireless Multicast of Virtual Reality Videos With MPEG-I Format
IEEE Access, 2019 Deploying virtual reality (VR) streaming systems over wireless networks can provide an immersive environment for users without behavioral restrictions, and thus has drawn considerable attentions recently.
Zhang Zhilong +3 more
doaj +1 more source
Non-Orthogonal Radio Resource Management for RF Energy Harvested 5G Networks
IEEE Access, 2019 Fifth generation (5G) networks are expected to support a large number of devices, provide spectral efficiency and energy efficiency. Non-orthogonal multiple access (NOMA) has been recently investigated to accommodate a large number of devices as well as ...
Mehak Basharat +6 more
doaj +1 more source