Performance analysis in satellite communication with beam hopping using discrete-time queueing theory
Satellite communication with beam hopping is a promising approach to meeting wide-area
user traffic demands under on-board resource limitation. However, there is currently a lack of …
user traffic demands under on-board resource limitation. However, there is currently a lack of …
NOMA-Based ALOHA Protocol for Air-to-Ground Communications With Maximum Transmit Power Limits
Non-orthogonal multiple access (NOMA) techniques can recover collided signals
simultaneously transmitted from different users that select different target received signal …
simultaneously transmitted from different users that select different target received signal …
Resilient Massive Access for SAGIN: A Deep Reinforcement Learning Approach
C Wang, M Pang, T Wu, F Gao, L Zhao… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
In the visionary ideals of “Internet of Everything” and “Digital Twins”, the future 6G will deeply
integrate diverse heterogeneous networks such as satellite and aerial networks to support …
integrate diverse heterogeneous networks such as satellite and aerial networks to support …
Joint User Identification, Channel Estimation and Data Detection for Grant-Free NOMA in LEO Satellite Communications
C Zhang, Y Liu, J Hu, K Yang - IEEE Journal on Selected Areas …, 2024 - ieeexplore.ieee.org
Satellite Internet of things (S-IoT) aims to provide globally covered network services. In this
paper, we conceive an uplink grant-free random access scheme for S-IoT network, where …
paper, we conceive an uplink grant-free random access scheme for S-IoT network, where …
Improving User Capacity of Satellite Internet of Things via Joint User Grouping and Multi-Beam Processing
X Ding, Y Ren, XX Xie, Y Zou, M Jia… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We explore a satellite internet of things (SIoT) system, wherein multiple IoT users are
allowed to access the SIoT in a grant-free manner. Such a manner may incur the severe co …
allowed to access the SIoT in a grant-free manner. Such a manner may incur the severe co …
[PDF][PDF] 面向卫星物联网的柔性多址接入技术
庞明亮， 王朝炜， 吴彤， 陈佳彬， 黄赛， 江帆， 张君毅 - 电子与信息学报, 2024 - jeit.ac.cn
基于时隙ALOHA (S-ALOHA) 的免授权上行随机接入能够显著降低卫星物联网(IoT)
中的接入时延和复杂度. 然而, 随着物联网用户数量的增加, S-ALOHA 碰撞概率会显著增加 …
中的接入时延和复杂度. 然而, 随着物联网用户数量的增加, S-ALOHA 碰撞概率会显著增加 …
On Achieving High-Fidelity Grant-Free Non-Orthogonal Multiple Access
Grant-free access (GFA) has been envisioned to play an active role in massive Machine
Type Communication (mMTC) under 5G and Beyond mobile systems, which targets at …
Type Communication (mMTC) under 5G and Beyond mobile systems, which targets at …
Flexible Multiple Access Technology for Satellite Internet of Things
M PANG, C WANG, T WU, J CHEN, S HUANG, F JIANG… - 电子与信息学报, 2024 - jeit.ac.cn
Access latency and complexity in the satellite Internet of Things (IoT) are significantly
reduced by the grant-free uplink random access based on Slotted ALOHA (S-ALOHA) …
reduced by the grant-free uplink random access based on Slotted ALOHA (S-ALOHA) …
A Dual Decoupled Q-Learning Based Multi-Dimensional Optimization Random Access Scheme for 6G umMTC Networks
J Su, M Fu, Z Li, Z Chu, P Xiao - Proceedings of IEEE Global … - openresearch.surrey.ac.uk
The sixth-generation (6G) has defined ultra-massive machine type communication (umMTC)
as a key scenario to address advances in Internet of Things technologies. However, the …
as a key scenario to address advances in Internet of Things technologies. However, the …
On Achieving High-Fidelity Grant-Free Non-Orthogonal Multiple Acces
Grant-free access (GFA) has been envisioned to play an active role in massive Machine
Type Communication (mMTC) under 5G and Beyond mobile systems, which targets at …
Type Communication (mMTC) under 5G and Beyond mobile systems, which targets at …