196 citations · 366 across the 27 of their papers we have counts for
23 papers · 1 filter
A GAN-based Semantic Communication for Text without CSI
Jin Mao, Ke Xiong, Ming Liu +4
Recently, semantic communication (SC) has been regarded as one of the potential paradigms of 6G. Current SC frameworks require channel state information (CSI) to handle severe sign…
Energy Consumption Minimization in Secure Multi-antenna UAV-assisted MEC Networks with Channel Uncertainty
Weihao Mao, Ke Xiong, Yang Lu +2
This paper investigates the robust and secure task transmission and computation scheme in multi-antenna unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) networks,…
Importance of Small Probability Events in Big Data: Information Measures, Applications, and Challenges
Rui She, Shanyun Liu, Shuo Wan +2
In many applications (e.g., anomaly detection and security systems) of smart cities, rare events dominate the importance of the total information of big data collected by Internet…
Fog-Assisted Multi-User SWIPT Networks: Local Computing or Offloading
Haina Zheng, Ke Xiong, Pingyi Fan +2
This paper investigates a fog computing-assisted multi-user simultaneous wireless information and power transfer (SWIPT) network, where multiple sensors with power splitting (PS) r…
Optimal Online Transmission Policy in Wireless Powered Networks with Urgency-aware Age of Information
Yang Lu, Ke Xiong, Pingyi Fan +2
This paper investigates the age of information (AoI) for a radio frequency (RF) energy harvesting (EH) enabled network, where a sensor first scavenges energy from a wireless power…
Group Cooperation with Optimal Resource Allocation in Wireless Powered Communication Networks
Ke Xiong, Chen Chen, Gang Qu +2
This paper considers a wireless powered communication network (WPCN) with group cooperation, where two communication groups cooperate with each other via wireless power transfer an…
Toward Traffic Patterns in High-speed Railway Communication Systems: Power Allocation and Antenna Selection
Jiaxun Lu, Ke Xiong, Xuhong Chen +1
In high-speed railway (HSR) communication systems, distributed antenna is usually employed to support frequent handover and enhance the signal to noise ratio to user equipments. In…
Mobile Service-Based Cooperative Scheduling for High-Mobility Vehicular Networks
Yu Zhang, Ke Xiong, Pingyi Fan +1
This paper investigates the downlink scheduling for relay-aided high-mobility vehicular networks, where the vehicles with good vehicle-to-infrastructure (V2I) links are employed as…
Energy Efficiency with Proportional Rate Fairness in Multi-Relay OFDM Networks
Ke Xiong, Pingyi Fan, Yang Lu +1
This paper investigates the energy efficiency (EE) in multiple relay aided OFDM system, where decode-and-forward (DF) relay beamforming is employed to help the information transmis…
Deploying Multiple Antennas on High-speed Trains: Equidistant Strategy v.s. Fixed-Interval Strategy
Yang Lu, Ke Xiong, Pingyi Fan +1
Deploying multiple antennas on high speed trains is an effective way to enhance the information transmission performance for high speed railway (HSR) wireless communication systems…
Simultaneous Wireless Information and Power Transfer in Cooperative Relay Networks with Rateless Codes
Xiaofei Di, Ke Xiong, Pingyi Fan +1
This paper investigates the simultaneous wireless information and power transfer (SWIPT) in cooperative relay networks, where a relay harvests energy from the radio frequency (RF)…
Outage Probability of Overhearing Amplify-and-Forward Cooperative Relaying
Yu Zhang, Ke Xiong
This paper investigates the outage performance of overhearing amplify-and-forward (AF) cooperative relaying, where a source transmits information to its destination through multipl…
Wireless Information and Energy Transfer for Decode-and-Forward Relaying MIMO-OFDM Networks
Guanyao Du, Zhilong Dong, Ke Xiong +1
This paper investigates the system achievable rate and optimization for the multiple-input multiple-output (MIMO)-orthogonal frequency division multiplexing (OFDM) system with an e…
Outage Analysis of Cooperative Transmission with Energy Harvesting Relay: Time Switching vs Power Splitting
Guanyao Du, Ke Xiong, Zhengding Qiu
Recently, energy harvesting (EH) has emerged as a promising way to realize green communications. In this paper, we investigate the multiuser transmission network with an EH coopera…
Wireless Information and Energy Transfer for Two-Hop Non-Regenerative MIMO-OFDM Relay Networks
Ke Xiong, Pingyi Fan, Chuang Zhang +1
This paper investigates the simultaneous wireless information and energy transfer for the non-regenerative multipleinput multiple-output orthogonal frequency-division multiplexing…
Time-Switching Based SWIPT for Network-Coded Two-Way Relay Transmission with Data Rate Fairness
Ke Xiong, Pingyi Fan, Khaled Ben Letaief
This paper investigates the simultaneous wireless power and information transfer (SWPIT) for network-coded two-way re- lay transmission from an information theoretical viewpoint, w…
Outage Analysis and Optimization for Time Switching-based Two-Way Relaying with Energy Harvesting Relay Node
Guanyao Du, Ke Xiong, Yu Zhang +1
Energy harvesting (EH) and network coding (NC) have emerged as two promising technologies for future wireless networks. In this paper, we combine them together in a single system a…
Downlink Resource Allocation for the High-speed Train and Local Users in OFDMA Systems
Chuang Zhang, Pingyi Fan, Ke Xiong
We consider providing services for passengers in a high-speed train and local users (quasi-static users) in a single OFDMA system. For the train, we apply a two-hop architecture, u…
QoS-distinguished Achievable Rate Region for High Speed Railway Wireless Communications
Tao Li, Pingyi Fan, Ke Xiong +1
In high speed railways (HSRs) communication system, when a train travels along the railway with high velocity, the wireless channel between the train and base station varies strenu…
Simultaneous Wireless Information and Power Transfer for Two-hop OFDM Relay System
Xiaofei Di, Ke Xiong, Zhengding Qiu
This paper investigates the simultaneous wireless information and power transfer (SWIPT) for two-hop orthogonal frequency division multiplexing (OFDM) decode-and-forward (DF) relay…
Channel Service Based High Speed Railway Base Station Arrangement
Chuang Zhang, Pingyi Fan, Yunquan Dong +1
With the rapid development of high-speed railways, demands on high mobility wireless communication increase greatly. To provide stable and high data rate wireless access for users…
Service based hight-speed railway base station arrangement
Chuang Zhang, Pingyi Fan, Yunquan Dong +1
To provide stable and high data rate wireless access for passengers in the train, it is necessary to properly deploy base stations along the railway. We consider this issue from th…
Every-user delay guarantee for wireless multiple access systems
Chuang Zhang, Pingyi Fan, Ke Xiong +1
The quality of service (QoS) requirements are usually different from user to user in a multiaccess system, and it is necessary to take the different requirements into account when…