Single Radio-Over-Fiber Link and RF Chain-Based 60 GHz Multi-Beam Transmission

被引：23

作者：

Habib, Usman ^{[1
]}

Steeg, Matthias ^{[2
]}

Stoehr, Andreas ^{[2
]}

Gomes, Nathan J. ^{[1
]}

机构：

[1] Univ Kent, Commun Res Grp, Canterbury CT2 7N2, Kent, England

[2] Univ Duisburg Essen, D-47057 Duisburg, Germany

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2019年 / 37卷 / 09期

基金：

欧盟地平线“2020”;

关键词：

Leaky wave antenna (LWA); radio-over-fiber (RoF); spatial division multiple access (SDMA); subcarrier multiple access (SCMA); ACCESS NETWORK; CAPACITY; SERVICES;

D O I：

10.1109/JLT.2019.2896778

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An efficient multi-user transmission scheme at 60 GHz using a single-feed leaky wave antenna (LWA) and hence requiring only a single radio-over-fiber link and single RF chain is presented. A subcarrier multiplexed signal carrying different users' data is transported over 2.2 km of optical fiber and then upconverted to the 60 GHz band for transmission to multiple spatially separated users through the beam steering characteristics of the LWA. An overall sum data rate, the combined rate from all users, of 10.6 Gb/s using 16-QAM modulation serving ten users over a transmission bandwidth of 3.05 GHz or 20 users with QPSK over 6.1 GHz span, is achieved experimentally. The theoretical sum data rates for 6.1 GHz bandwidth for different numbers of users are calculated, considering the SNR degradation due to the angularly dispersed LWA beam, showing that data rates over 30 Gb/s can be obtained. Finally, a system design that improves coverage and spectrum efficiency through operating multiple LWAs with a single RF chain is demonstrated.

引用

页码：1974 / 1980

页数：7

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