Research Article
Improving Uplink Resource Batch Utilization in LTE Licensed-Assisted Access
@INPROCEEDINGS{10.1007/978-3-030-06158-6_1, author={Chih-Cheng Tseng and Hwang-Cheng Wang and Ling-Han Wang}, title={Improving Uplink Resource Batch Utilization in LTE Licensed-Assisted Access}, proceedings={Wireless Internet. 11th EAI International Conference, WiCON 2018, Taipei, Taiwan, October 15-16, 2018, Proceedings}, proceedings_a={WICON}, year={2019}, month={1}, keywords={LAA Coalition Resource batch utilization Uplink}, doi={10.1007/978-3-030-06158-6_1} }- Chih-Cheng Tseng
Hwang-Cheng Wang
Ling-Han Wang
Year: 2019
Improving Uplink Resource Batch Utilization in LTE Licensed-Assisted Access
WICON
Springer
DOI: 10.1007/978-3-030-06158-6_1
Abstract
Due to network congestion, access to unlicensed spectrum gives new hope for extending the available bandwidth. Licensed-Assisted Access (LAA) is the technology that can be applied to deliver services in the 5 GHz unlicensed spectrum. In general, there are two schemes to access the unlicensed spectrum, namely, random access and scheduled access. Two types of UEs, basic and premium, with two different preferences are considered. Without violating the size of a coalition, UEs with the same preference are put into disjoint coalitions. Likewise, the resource batches are partitioned into two parts and are allocated to the coalitions. The resource batch utilization (RBU) is used to measure the uplink utilization of the resource batches. Compared to the case when all resource batches are under random or scheduled access by all UEs, the numerical results show that the proposed approach is a viable solution in the design of LAA under different degrees of interference from Wi-Fi.