Licensed-Assisted Access to Unlicensed Spectrum in LTE Release 13
Hwan-Joon (Eddy) Kwon, Jeongho Jeon, Abhijeet Bhorkar, Qiaoyang Ye,, Hiroki Harada, Yu Jiang, Liu Liu, Satoshi Nagata, Boon Loong Ng, Thomas, Novlan, Jinyoung Oh, Wang Yi
TL;DR
This paper discusses LTE Release 13's Licensed-Assisted Access (LAA), enabling LTE to operate in unlicensed spectrum, addressing traffic growth, and evaluating coexistence with other technologies.
Contribution
It provides an overview of the LAA technology, including motivations, use cases, LTE enhancements, and coexistence evaluation results.
Findings
LAA enables LTE operation in unlicensed spectrum.
Coexistence with other technologies is feasible.
LAA addresses traffic growth challenges.
Abstract
Exploiting the unlicensed spectrum is considered by 3GPP as one promising solution to meet the ever-increasing traffic growth. As a result, one major enhancement for LTE in Release 13 has been to enable its operation in the unlicensed spectrum via Licensed-Assisted Access (LAA). In this article, we provide an overview of the Release 13 LAA technology including motivation, use cases, LTE enhancements for enabling the unlicensed band operation, and the coexistence evaluation results contributed by 3GPP participants.
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Taxonomy
TopicsAdvanced MIMO Systems Optimization · Wireless Networks and Protocols · Advanced Wireless Network Optimization