Yinlu Wang

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The vast amount of the machine type communication devices (MTCDs) in machine-to-machine (M2M) communications and their limited energy budget are the crucial challenges to transmission scheme design. This paper proposes an energy-efficient power control and time scheduling scheme in M2M communications with non-orthogonal multiple access (NOMA) and energy(More)
In vehicle-to-vehicle (V2V) communication underlaying cellular networks, interference between cellular users (CUEs) and V2V users (VUEs) can be severe. To address this issue, many studies focused on designing resource allocation schemes to mitigate uplink interference. Most of them investigated the instantaneous resource allocation. In this paper, however,(More)
This paper investigates multiuser detection for an uplink asynchronous machine-to-machine system with massive number of machine type communication devices (MTCDs). The goal is to detect the device activity, time delay, channel gain and transmission data for a grant-free three-phase access scheme where each MTCD first transmits its pilot sequence, then(More)
This paper analyzes the received power distribution of a generalized indoor visible light communication (VLC) system. The generalization includes: both ceiling-mounted and wall-mounted layouts are considered on the transmitting end to cover some special scenarios; a generally applicable sum-of-sine luminous intensity pattern (SSLIP) is used to fit light(More)
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