Terahertz Wireless CDMA Communication using Resonant Tunneling Diodes

被引：0

作者：

Webber, Julian ^{[1
]}

Nishigami, Naoki ^{[1
]}

Kim, Jae-Young ^{[2
]}

Fujita, Masayuki ^{[1
]}

Nagatsuma, Tadao ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka, Japan

[2] ROHM Co Ltd, Kyoto, Japan

来源：

2019 IEEE GLOBECOM WORKSHOPS (GC WKSHPS) | 2019年

基金：

日本科学技术振兴机构;

关键词：

terahertz communications; resonant tunneling diode (RTD); CDMA; modified prime codes (MPC); RECEIVER; BAND;

D O I：

10.1109/gcwkshps45667.2019.9024595

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper describes a code division multiple access (CDMA) system operating in the Terahertz (THz) band using resonant tunneling diode (RTD) technology. RTDs are a promising technology enabling the efficient generation and detection of THz-band signals while consuming very low power. Meanwhile, CDMA systems facilitate the transmission of multiple-users signals in low signal to noise ratio (SNR) conditions. The developed THz system consists of real-time CDMA waveform transmission at 3.1 Gchip/s for up to 7 users over a distance of 7.5cm at 345 GHz with off-line decoding of the digitally-sampled signals. The system employs optical modified prime codes (MPC) with unipolar (0,1) sequences that were originally designed for CDMA optical-fiber networks with simplified detection. Experimental results demonstrate the viability of CDMA transmission using RTDs with chip-level on-off-keying (OOK).

引用

页数：6

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