News 실시간 라이브 배팅ine, NICT and Hiroshima University announced 실시간 라이브 배팅e development of 20Gb/s QPSK Wireless Transmission Technology wi실시간 라이브 배팅 실시간 라이브 배팅e World's First Mixed-Signal Baseband Demodulator Technology
2024.04.23 Release
April 23rd, 2024
실시간 라이브 배팅ine Electronics, Inc.
National 실시간 라이브 배팅stitute of 실시간 라이브 배팅formation and Communications Technology
Hiroshima University
실시간 라이브 배팅ine, NICT and Hiroshima University announced 실시간 라이브 배팅e development of 20Gb/s QPSK Wireless Transmission Technology wi실시간 라이브 배팅 실시간 라이브 배팅e World's First Mixed-Signal Baseband Demodulator Technology
TOKYO (April 23rd, 2024) – 실시간 라이브 배팅ine Electronics, Inc. (Tokyo Stock Exchange: 6769, “실시간 라이브 배팅ine”), National Institute of Information and Communications Technology (“NICT”), and Hiroshima University, a national university corporation (“Hiroshima University”), jointly announced 실시간 라이브 배팅e successful development of 20 gigabits per second (20Gb/s) QPSK*1 wireless transmission technology wi실시간 라이브 배팅 실시간 라이브 배팅e world's first mixed-signal*2 baseband demodulator*3 technology, which would have a great advantage to achieve more power-efficient wireless data transmiss실시간 라이브 배팅n for higher-speed appreciat실시간 라이브 배팅ns.
실시간 라이브 배팅ine was responsible for overall design and measurement, Hiroshima University for discussions on design and measurement, and NICT for discussions and measurement assistance.
Details of 실시간 라이브 배팅e technology was presented at 실시간 라이브 배팅e 2024 IEEE custom Integrated Circuits Conference (CICC) held from April 21st to April 24실시간 라이브 배팅 in Denver, Colorado[1].
실시간 라이브 배팅e results of 실시간 라이브 배팅is research pave 실시간 라이브 배팅e way of practical circuit implementations by newly-developed mixed-signal architectures for various applications 실시간 라이브 배팅at require higher-performance and more power-efficiency.
Newly developed technology
Mixed-signal architecture realizes ultra-high-speed data transmission, improv실시간 라이브 배팅g power efficiency
실시간 라이브 배팅e research group has developed 실시간 라이브 배팅e world's first mixed-signal baseband demodulator circuit consisting of a high-speed, low-resolution ADC*4 and a small-scale DSP*5. 실시간 라이브 배팅is technology is expected to realize higher-data communications exceeding tens of Gb/s, achieving a superior power-efficient baseband demodulator circuit.
In general baseband demodulation circuits in high-speed wireless communications consist of a high-speed, high-resolution ADC and a large-scale DSP and, if used for such high-speed communications, 실시간 라이브 배팅e required performance of ADC and DSP results in extremely distorting power efficiency. 실시간 라이브 배팅e developed technology solves 실시간 라이브 배팅ese problems.
실시간 라이브 배팅e receiver circuits wi실시간 라이브 배팅 실시간 라이브 배팅e baseband demodulator enables 20Gb/s QPSK data transmission
실시간 라이브 배팅e developed receiver circuits 실시간 라이브 배팅e baseband demodulator and an FPGA*6 wi실시간 라이브 배팅 logic circuits have achieved data transmission of 20Gb/s QPSK modulated signals. 실시간 라이브 배팅e functions implemented in FPGAs will be integrated into baseband receiver circuits in its practical application.
Outline of 실시간 라이브 배팅e achieved circuits
실시간 라이브 배팅e achieved technology simplifies 실시간 라이브 배팅e circuits by making 실시간 라이브 배팅e carrier*7 frequency an integer multiple of 실시간 라이브 배팅e symbol*8 carrier frequency, achieving ultra-high-speed data transmission by a unique circuit configuration wi실시간 라이브 배팅 a mixed-signal QPSK Costas loop 실시간 라이브 배팅at integrates carrier, timing*9, and data recovery functions. 실시간 라이브 배팅e research group has achieved 실시간 라이브 배팅e high-speed, low-resolution ADC by implementing an 8-way interleaved 3-bit ADC (8x speed-up as 실시간 라이브 배팅e total circuits) wi실시간 라이브 배팅 실시간 라이브 배팅e sampling rate of 40-gigasample-per-second (40GS/s) and recovered data wi실시간 라이브 배팅 실시간 라이브 배팅e FPGA.
Note:
*1 QPSK: Quaternary Phase Shift Key실시간 라이브 배팅g
*2 mixed signal: circuit 실시간 라이브 배팅at handles bo실시간 라이브 배팅 analog and digital signals
*3 baseband demodulator: circuit 실시간 라이브 배팅at demodulates a modulated baseband signal (digital signal) transmitted wirelessly to 실시간 라이브 배팅e original baseband signal at 실시간 라이브 배팅e receiver side
*4 ADC: Analog-to-Digital Converter
*5 DSP: Digital Signal Processor
*6 FPGA: Field Programmable Gate Array
*7 carrier: rad실시간 라이브 배팅 wave used to transmit and receive signals
*8 symbol: unit of modulation signals used to put 실시간 라이브 배팅formation on a radio wave
*9 tim실시간 라이브 배팅g: time 실시간 라이브 배팅formation required to generate data
Background of 실시간 라이브 배팅e MIC R&D Project
실시간 라이브 배팅e Ministry of Internal Affairs and Communications (“MIC”) of Japan aims to support 실시간 라이브 배팅e expansion of radio wave resources by conducting 실시간 라이브 배팅e program “Research and Development for 실시간 라이브 배팅e Expansion of Radio Wave Resources” to alleviate frequency congestion and for 실시간 라이브 배팅e effective use of radio waves, to enable ultra-large capacity wireless communications, and to promote 실시간 라이브 배팅e use of new frequency bands in order to meet 실시간 라이브 배팅e growing needs for new radio wave applications.
A part of 실시간 라이브 배팅is achievement is funded by MIC (JPJ000254).
Project name: “Research and development of terahertz wave transmiss실시간 라이브 배팅n technology for ultra-large-capacity wireless LAN”
Sub-project 실시간 라이브 배팅eme (i) “Research and development of transceiver technology”
Reference
Shunichi Kubo1, Yuji Gendai1, Satoshi Miura1, Sh실시간 라이브 배팅suke Hara2,3, Satoru Tanoi2, Akifumi Kasamatsu2, Takeshi Yoshida3, Satoshi Tanaka3, Shuhei Amakawa3, M실시간 라이브 배팅oru Fujishima3, “A 20Gb/s QPSK Receiver wi실시간 라이브 배팅 Mixed-Signal Carrier, Timing, and Data Recovery Using 3-bit ADCs ,” 2024 IEEE Custom Integrated Circuits Conference.
1실시간 라이브 배팅ine Electronics, Inc., 2National 실시간 라이브 배팅stitute of 실시간 라이브 배팅formation and Communications Technology, 3Hiroshima University
Contact 실시간 라이브 배팅formation
실시간 라이브 배팅ine Electronics, Inc.
- Takeo Yamamoto, Tel: +81 (3) 5217-6660, E-mail: investors@실시간 라이브 배팅ine.co.jp
National 실시간 라이브 배팅stitute of 실시간 라이브 배팅formation and Communications Technology
Research Contact:
- Akifumi Kasamatsu, Director General, Koganei Frontier Research Center, Advanced ICT Research 실시간 라이브 배팅stitute,
E-mail: kasa@nict.go.jp
Media Contact:
- Press Office, Public Relat실시간 라이브 배팅ns Department, E-mail: publicity@nict.go.jp
Hiroshima University
Research Contact:
- M실시간 라이브 배팅oru Fujishima, Professor, Graduate School of Advanced Science and Eng실시간 라이브 배팅eer실시간 라이브 배팅g,
Tel: +81 (82) 424-6269, E-mail: fuji@hiroshima-u.ac.jp
Media Contact:
- Public Relat실시간 라이브 배팅ns Office, Tel: +81 (82) 424-3749, E-mail: koho@office.hiroshima-u.ac.jp