27 citations · 117 across the 15 of their papers we have counts for
15 papers
Graph Neural Networks for Distributed Power Allocation in Wireless Networks: Aggregation Over-the-Air
Yifan Gu, Changyang She, Zhi Quan +2
Distributed power allocation is important for interference-limited wireless networks with dense transceiver pairs. In this paper, we aim to design low signaling overhead distribute…
Optimizing Information Freshness in Two-Hop Status Update Systems under a Resource Constraint
Yifan Gu, Qian Wang, He Chen +2
In this paper, we investigate the age minimization problem for a two-hop relay system, under a resource constraint on the average number of forwarding operations at the relay. We f…
Software-Defined Radio Implementation of Age-of-Information-Oriented Random Access
Zixiao Han, Jiaxin Liang, Yifan Gu +1
More and more emerging Internet of Things (IoT) applications involve status updates, where various IoT devices monitor certain physical processes and report their latest statuses t…
Age-of-Information Dependent Random Access for Massive IoT Networks
He Chen, Yifan Gu, Soung-Chang Liew
As the most well-known application of the Internet of Things (IoT), remote monitoring is now pervasive. In these monitoring applications, information usually has a higher value whe…
Minimizing the Age of Information of Cognitive Radio-Based IoT Systems Under A Collision Constraint
Qian Wang, He Chen, Yifan Gu +2
This paper considers a cognitive radio-based IoT monitoring system, consisting of an IoT device that aims to update its measurement to a destination using cognitive radio technique…
On the Age of Information of Short-Packet Communications with Packet Management
Rui Wang, Yifan Gu, He Chen +2
In this paper, we consider a point-to-point wireless communication system. The source monitors a physical process and generates status update packets according to a Poisson process…
Minimizing Age of Information in Cognitive Radio-based IoT Systems: Underlay or Overlay?
Yifan Gu, He Chen, Chao Zhai +2
We consider a cognitive radio-based Internet-of-Things (CR-IoT) network consisting of one primary IoT (PIoT) system and one secondary IoT (SIoT) system. The IoT devices of both the…
Short-Packet Two-Way Amplify-and-Forward Relaying
Yifan Gu, He Chen, Yonghui Li +2
This letter investigates an amplify-and-forward two-way relay network (TWRN) for short-packet communications. We consider a classical three-node TWRN consisting of two sources and…
Ultra-Reliable Short-Packet Communications: Half-Duplex or Full-Duplex Relaying?
Yifan Gu, He Chen, Yonghui Li +1
This letter analyzes and compares the performance of full-duplex relaying (FDR) and half-duplex relaying (HDR) for ultra-reliable short-packet communications. Specifically, we deri…
Exploiting Energy Accumulation Against Co-channel Interference in Wireless Energy Harvesting MIMO Relaying
Yifan Gu, He Chen, Yonghui Li +1
This paper investigates a three-node multiple-input multiple-output relay system suffering from co-channel interference (CCI) at the multi-antenna relay. Contrary to the convention…
Wireless-Powered Two-Way Relaying with Power Splitting-based Energy Accumulation
Yifan Gu, He Chen, Yonghui Li +1
This paper investigates a wireless-powered two-way relay network (WP-TWRN), in which two sources exchange information with the aid of one amplify-and-forward (AF) relay. Contrary t…
Accumulate then Forward: An Opportunistic Relaying Protocol for Wireless-Powered Cooperative Communications
Ziyi Li, He Chen, Yifan Gu +2
This paper investigates a wireless-powered cooperative communication network consisting of a source, a destination and a multi-antenna decode-and-forward relay. We consider the rel…
Distributed Multi-Relay Selection in Accumulate-then-Forward Energy Harvesting Relay Networks
Yifan Gu, He Chen, Yonghui Li +1
This paper investigates a wireless-powered cooperative network (WPCN) consisting of one source-destination pair and multiple decode-and-forward (DF) relays. We develop an energy th…
A Discrete Time-Switching Protocol for Wireless-Powered Communications with Energy Accumulation
Yifan Gu, He Chen, Yonghui Li +1
This paper investigates a wireless-powered communication network (WPCN) setup with one multi-antenna access point (AP) and one single-antenna source. It is assumed that the AP is c…
An Adaptive Transmission Protocol for Wireless-Powered Cooperative Communications
Yifan Gu, He Chen, Yonghui Li +1
In this paper, we consider a wireless-powered cooperative communication network, which consists of one hybrid access point (AP), one source and one relay to assist information tran…