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Related Experiment Video

Updated: Oct 25, 2025

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Low-Latency Short-Packet Transmission over a Large Spatial Scale.

Lei Huang¹, Xiaoyu Zhao¹, Wei Chen¹

¹Beijing National Research Center for Information Science and Technology (BNRist), Department of Electronic Engineering, Tsinghua University, Beijing 100084, China.

Entropy (Basel, Switzerland)

|August 6, 2021

Summary

This study optimizes relay deployment for ultralow latency short-packet transmission in 6G networks. It balances error probability, latency, and power for reliable long-distance communication, crucial for integrated LEO satellite systems.

Keywords:

6G URLLC asymptotic analysis decoding delay end-to-end delay finite-blocklength coding large spatial scale propagation delay relaying short-packet transmission

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Last Updated: Oct 25, 2025

Quasi-light Storage for Optical Data Packets

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Published on: February 6, 2014

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Published on: November 7, 2016

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

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Published on: March 20, 2017

Area of Science:

Wireless Communication Networks
Information Theory
Telecommunications Engineering

Background:

Short-packet transmission is key for 6G applications like automated driving and telesurgery.
Integrating low-Earth orbit (LEO) satellite networks presents challenges for long-distance, low-latency communication.
Efficiently transmitting short packets over large spatial scales with minimal delay and loss is an open problem.

Purpose of the Study:

To determine the optimal deployment of decode-and-forward (DF) relays for minimizing error probability in distant short-packet transmissions.
To satisfy stringent latency and transmission power constraints in 6G wireless networks.
To analyze the distance-latency-reliability tradeoff for integrated LEO satellite communications.

Main Methods:

Asymptotic analysis to derive a theoretical performance bound.
Optimization of relay placement considering propagation delay and loss.
Evaluation of decode-and-forward relay strategies for packet regeneration.

Main Results:

An optimal relay deployment strategy is presented to minimize error probability under latency and power constraints.
A theoretical performance bound is established for distant short-packet transmission.
The study characterizes the optimal distance-latency-reliability tradeoff.

Conclusions:

The proposed relay deployment offers a method to achieve reliable, low-latency short-packet transmission over long distances.
The findings provide crucial insights for designing future 6G integrated LEO satellite communication systems.
Balancing latency, reliability, and power is essential for advanced wireless applications.