Design and tests of 21 km, 5 Gbps, 0.14 THz wireless communication system

Wu Qiuyu; Lin Changxing; Lu Bin; Miao Li; Deng Xianjin; Zhou Liuyang; Chen Hongbin; Jiang Yi; Yao Jun; Zhang Jian

doi:10.11884/HPLPB201729.170064

Volume 29 Issue 06

Apr. 2017

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Article Navigation > High Power Laser and Particle Beams > 2017 > 29(06): 060101

Liu Yuan, Wang Lijuan, Guo Nan, et al. Central buoyant MEMS vector hydrophone of low-frequency and high sensitivity[J]. High Power Laser and Particle Beams, 2015, 27: 054102. doi: 10.11884/HPLPB201527.054102

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Wu Qiuyu, Lin Changxing, Lu Bin, et al. Design and tests of 21 km, 5 Gbps, 0.14 THz wireless communication system[J]. High Power Laser and Particle Beams, 2017, 29: 060101. doi: 10.11884/HPLPB201729.170064

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Design and tests of 21 km, 5 Gbps, 0.14 THz wireless communication system

doi: 10.11884/HPLPB201729.170064

Wu Qiuyu^1,2,
Lin Changxing^1,2,
Lu Bin^1,2,
Miao Li^1,2,
Deng Xianjin^{1,2
,
,},
Zhou Liuyang^1,2,
Chen Hongbin³,
Jiang Yi³,
Yao Jun^1,2,
Zhang Jian^1,2

1.
Institute of Electronic Engineering,CAEP,Mianyang 621900,China;
2.
Microsystem &Terahertz Research Center,CAEP,Chengdu 610200,China;
3.
Institute of Applied Electronics,CAEP,Mianyang 621900,China

Received Date: 2017-02-28
Rev Recd Date: 2017-03-27
Publish Date: 2017-06-15

Abstract

Abstract

A terahertz wireless communication system is designed. The 16QAM modulation scheme is used in baseband processing, and mixers are used for cascading frequency up and down-converting. Cascading power amplification technique is adopted with a solid-state power amplifier and a vacuum electronic device. Several watts power is emitted at 0.14 THz. An all solid-state receiver running in room temperature is used, whose equivalent noise temperature is 1100 K and receiving sensitivity is -57 dBm. A 21 km wireless communication testing is carried out between the Shuangliu district and the Xinjin county of Chengdu, by means of two Cassegrain antennas with 50 dBi gain each. A 5 Gbps single-channel transmission speed is measured with bit error rate below 10-6. For testing, two standard HD-SDI uncompressed video streams are successfully transmitted in real time simultaneously, with an effective speed of 1.485 Gbps for each one.
- terahertz,
- wireless communication,
- communication system,
- communication test,
- long-range communication

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