Base Station for Heterogeneous Network

Overview

5G networks adopt a heterogeneous network (HetNet) architecture, where 4G/5G macro cells and 5G small cells are used to provide enhanced coverage and services.  Low/Mid/High frequency bands are used together.

  • Base Station for Heterogeneous Network
Technical name of innovation
Base Station for Heterogeneous Network
Research completion
15/3/2022
Commercialisation opportunities
IP licensing; Technology co-development
Problem addressed

Enable 5G network with improved data throughput over existing 4G networks, and enhance coverage as well as performance of 5G networks.

Innovation
  • LTE-5G NR Dual Connectivity (EN-DC) signaling procedures and control algorithm
  • Automatic Neighbor Relations (ANR) technologies
  • Supplementary Uplink (SUL) technologies for uplink (UL) coverage extension
  • Cross Link Interference (CLI) handling technologies for mitigating interference among systems with non-unified uplink/downlink (UL/DL) assignment
  • Millimeter wave (mmWave) radio frequency (RF) frontend design and analog beamforming technologies
Key impact
  • Support Hong Kong Government Smart City Blueprint for 5G networks
  • Mobile network operators can efficiently address different requirements of 5G network deployment
  • Optimize 5G network deployment with ANR technologies
  • Enable different 5G use cases
Application
  • Heterogeneous network
  • Base station neighbor relations management
  • UL coverage extension
  • mmWave RF frontend design
Hong Kong Applied Science and Technology Research Institute (ASTRI)

The Hong Kong Applied Science and Technology Research Institute (ASTRI) was founded by the Government of the Hong Kong Special Administrative Region in 2000 with the mission of enhancing Hong Kong's competitiveness through applied research. ASTRI’s core R&D competence in various areas is grouped under five Technology Divisions: AI and Big Data Analytics; Communications; Cybersecurity, Cryptography and Trusted Technologies; Integrated Circuits and Systems; and IoT and Sensors. It is applied across five core areas which are Smart City, Financial Technologies, Intelligent Manufacturing, Digital Health, and Application Specific Integrated Circuits.

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