A SURVEY OF LTE WI-FI COEXISTENCE IN UNLICENSED BANDS

被引：1
|
作者：
Wang, Xuyu [1 ]
Mao, Shiwen [1 ]
Gong, Michelle X. [2 ]
机构：
[1] Auburn Univ, Dept Elect & Comp Engn, Auburn, AL 36849 USA
[2] Google Inc, Mountain View, CA USA
来源：
GETMOBILE-MOBILE COMPUTING & COMMUNICATIONS REVIEW | 2016年 / 20卷 / 03期
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
With the rapid growth of mobile data, many LTE operators are interested in leveraging unlicensed bands to enhance data rates and user experience. This paper investigates the problem of the coexistence of LTE and Wi-Fi in 5 GHz unlicensed bands. We first introduce the current rules for the 5 GHz unlicensed bands and the carrier aggregation technique. We then discuss four deployment scenarios and two LTE-unlicensed (LTE-U) coexistence scenarios. Further, we provide a feature comparison between LTE and Wi-Fi in the PHY/MAC layers, and review the coexistence methods for LTE-U and Wi-Fi without or with the Listen-Before-Talk (LBT) mechanism. This paper is concluded by an examination of Wi-Fi link aggregation and in-device coexistence issues.
引用
收藏
页码：17 / 23
页数：7
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