Laser & Optoelectronics Progress, Volume. 57, Issue 1, 010601(2020)
Training Resource Allocation for User-Centric Visible Light Communication Cooperation Transmission
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![Undirected graphs in different situations correspond to network in Fig. 1. (a) Undirected graph of network shown in Fig. 1, where the vertexes denote any two UEs share the same AP with each other; (b) colored graph after applying the Dsatur algorithm[9]; (c) reallocation result when pilots are insufficient; (d) reallocation result when pilots are sufficient](/Images/icon/loading.gif){kind=icon}
Fig. 2. Undirected graphs in different situations correspond to network in
Table 1. Simulation parameters
View tableTable 1. Simulation parameters
Parameter Content Cell number 6 The maximum optical power of each AP 20 W The minimum optical power of each AP 2 W The pilot power 200 mW The maximum reuse time for each pilot 2 The bandwidth of LED 20 MHz LED array size 0.1 m×0.1 m Number of LED chips per array 36 LED beam angle 120° LED conversion factor 0.44 W/A PD physical area 1 cm2 PD responsivity 0.54 A/W PD field of view (FOV) 60° Optical filter gain 1 Refractive index of the concentrator 1.5
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Wenyan Xu, Hongyi Yu, Sen Yang. Training Resource Allocation for User-Centric Visible Light Communication Cooperation Transmission[J]. Laser & Optoelectronics Progress, 2020, 57(1): 010601
Paper Information
Category: Fiber Optics and Optical Communications
Received: May. 20, 2019
Accepted: Jun. 26, 2019
Published Online: Jan. 3, 2020
The Author Email: Xu Wenyan (flower_xu1983@163.com)
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