Search Results - "Guangliang Ren"

Distributed Q-Learning Based Joint Relay Selection and Access Control Scheme for IoT-Oriented Satellite Terrestrial Relay Networks by Zhao, Bo, Ren, Guangliang, Dong, Xiaodai, Zhang, Huining

“…In this letter, we propose a distributed Q-learning (DQL) based joint relay selection and access control (JRSAC) scheme for Internet of Things (IoT)-oriented…”
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SNR estimation algorithm based on the preamble for OFDM systems in frequency selective channels by Ren, Guangliang, Zhang, Huining, Chang, Yilin

“…We propose a new SNR estimation method based on the preamble for OFDM systems in frequency selective channels. The OFDM training symbols in the preamble are…”
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A true-time-delay array architecture for wideband multi-beam tracking by Liu, Xiaowei, Ren, Guangliang

“…The true-time delay (TTD) units are critical for solving beam squint and frequency selective fading in Wideband Large-Scale Antenna Systems (LSASs). In this…”
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A Semi-Blind SLM Scheme for PAPR Reduction in OFDM Systems With Low-Complexity Transceiver by Ji, Jinwei, Ren, Guangliang, Zhang, Huining

“…A semi-blind selected mapping (SLM) scheme with low-complexity transceiver is addressed for peak-to-average power ratio (PAPR) reduction in orthogonal…”
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A New Modified SLM Scheme for Wireless OFDM Systems Without Side Information by Jinwei Ji, Guangliang Ren

“…To avoid the transmission of side information and decrease the computational complexity in the conventional selected mapping (SLM) scheme, a novel set of…”
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Iterative Maximum Likelihood Detection for Initial Ranging Process in 802.16 OFDMA Systems by Wang, Qiwei, Ren, Guangliang

“…An iterative maximum likelihood detection (IMLD) algorithm is proposed for the contention based orthogonal frequency-division multiple access (OFDMA) initial…”
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PAPR Reduction of SC-FDMA Signals Via Probabilistic Pulse Shaping by Ji, Jinwei, Ren, Guangliang, Zhang, Huining

“…To avoid the excess bandwidth and noise enhancement penalty involved in the pulse-shaping method for peak-to-average power ratio (PAPR) reduction of…”
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A TDOA location scheme in OFDM based WMANs by Ni, Hao, Ren, Guangliang, Chang, Yilin

“…A time difference of arrival (TDOA) location scheme for the orthogonal frequency division multiplexing (OFDM) based wireless metropolitan area networks (WMANs)…”
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PAPR Reduction of SC-FDMA Signals Using Optimized Additive Pre-distortion by Wu, Kun, Ren, Guangliang, Yu, Maixin

“…One challenge of employing high-order modulations in single carrier frequency division multiple access (SC-FDMA) systems is the resultant high peak-to-average…”
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A Multiuser Detection Algorithm for Random Access Procedure With the Presence of Carrier Frequency Offsets in LTE Systems by Wang, Qiwei, Ren, Guangliang, Wu, Jueying

“…In the LTE system, uplink synchronization can be established through the random access channel, by which timing and frequency offsets between transceivers can…”
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Adaptive Packet-Length Assisted Random Access Scheme in LEO Satellite Network by Bai, Jialing, Ren, Guangliang

“…A new adaptive packet-length assisted random access (RA) scheme is proposed to improve the performance of the RA system in LEO satellite network. In the…”
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Polarized MIMO Slotted ALOHA Random Access Scheme in Satellite Network by Bai, Jialing, Ren, Guangliang

“…The massive number of the machine type communication terminals accessing the satellite network brings a new challenge for the random access (RA) system. To…”
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PAPR Reduction in Coded SC-FDMA Systems via Introducing Few Bit Errors by Ji, Jinwei, Ren, Guangliang, Zhang, Huining

“…We propose a simple and flexible peak-to-average power ratio (PAPR) reduction scheme for coded single carrier frequency division multiple access (SC-FDMA)…”
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Synchronization method based on a new constant envelop preamble for OFDM systems by Ren, G., Chang, Y., Zhang, H.

“…The synchronization method using the available constant envelop preamble is analyzed, and a new preamble weighted by pseudo-noise sequence is proposed, with…”
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Error Vector Magnitude Analysis of Uplink Multiuser OFDMA and SC-FDMA Systems in the Presence of Nonlinear Distortion by Wu, Kun, Ren, Guangliang, Wang, Qiwei

“…We analyze the impact of nonlinear distortion on the performance of uplink multiuser orthogonal frequency division multiple access and single carrier-frequency…”
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Spectral-Efficient Band Allocation Scheme for Frequency-Domain Pulse-Shaping-Based SC-FDMA Systems by Wu, Kun, Ren, Guangliang, Meng, Xiangming, Wu, Jueying, Wang, Qiwei

“…One major concern of employing frequency-domain pulse shaping (FDPS) to reduce the peak-to-average power ratio of single-carrier frequency-division…”
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Fast Time-Varying Channel Estimation Technique for LTE Uplink in HST Environment by Yang, Lihua, Ren, Guangliang, Yang, Bingke, Qiu, Zhiliang

“…A novel channel estimation technique is proposed for the time-division-duplex long-term evolution (TDD-LTE) single-carrier frequency-division multiple-access…”
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A Centralized Preamble Detection-Based Random Access Scheme for LTE CoMP Transmission by Wang, Qiwei, Ren, Guangliang, Wu, Jueying

“…For the coordinated multipoint (CoMP) transmission in Long-Term Evolution (LTE) systems, its performance is greatly impacted by the estimation of timing…”
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Randomly Pre-coded Packets based Random Access Scheme for IoT-Oriented Satellite Networks by Su, Jingrui, Ren, Guangliang, Wang, Qiwei, Zhang, Huining

“…In this paper, a novel random pre-coding (RPC) based random access (RA) scheme is proposed to improve the system performance in the Internet of Things-oriented…”
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3-D MIMO Parametric Stochastic Channel Model for Urban Macrocell Scenario by Zhang, Yang, Pang, Lihua, Ren, Guangliang, Gong, Fengkui, Liang, Xiao, Dou, Jianwu, Li, Jiandong

“…For the design, performance evaluation, and optimization of potential 3-D multiple input and multiple output (3-D MIMO) algorithms, an accurate stochastic…”
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