On July 12th, RAPID5G has demonstrated its new 5G technology for the first time in a public space under real-live conditions. The developed RAPID5G mobile environment enables interoperability between heterogeneous mobile technologies including LTE, WiFi and 60 GHz 5G.
The RAPID5G consortium has prepared a press release with more details, which is available here.
All RAPID5G systems are up and running in the BlueCity shopping mall in Warsaw. The preparation efforts have been successful for the press demo on 12th July, which will show:
- Seamless WiFi/LTE/5G experience
- Wireless HDMI high quality video streaming
- 5G vs legacy download & throughput comparison
- 8K 360° video streaming and VR experience
The 11 European and Japanese partners of the RAPID5G consortium have worked hard on developing novel 5G solutions and are eager to show the results! In the final phase of the project the RAPID5G technology will be showcased and demonstrated live during two field trials. The field trials will take place in high user density public areas in a shopping mall and a football stadium. The first live demo will be from 10th to 12th July in the BlueCity shopping mall in Warsaw, Poland. The second field trial will take place from 7th to 10th August in the Gamba Osaka stadium in Osaka, Japan.
The RAPID-5G project co-organised a workshop on mm-wave technology at EuCNC on 12th June, in Oulu, Finland. Together with the projects mmMAGIC (H2020 5GPPP) and 5G MiEdge (H2020 Eu-Japan). There were two sessions, the first focussing on fronthaul and backhaul links and chaired by Professor Nathan Gomes, University of Kent, of the RAPID-5G project, and the second focussing on access technologies, chaired by Dr Mehrdad Shariat of Samsung R&D Institute, from the mmMAGIC project.
The workshop programme can be accessed here.
The RAPID-5G project was publicized on the University of Kent booth at the 5G World industry conference and exhibition in London on 13th – 15th June. A video demonstration of radio-over-fibre supported mm-wave wireless transmission was included, and RAPID-5G leaflets were disseminated.
The 4th RAPID5G project meeting, taking place in Duisburg on 1st and 2nd of June 2016, has been successful in expanding collaborations and detailing plans for the upcoming RAPID5G field trial demonstrations.
RAPID member Exatel participated in the PLNOG16 conference to inform about the hot topic that is 5G. Exatel gave a presentation on the current status of the LTE successor: key functional requirements, standardization and to up-to-date R&D projects. In particular, the Polish telecom operator presented the RAPID project to its peers.
This article represents the topic of the presentation in the PLNOG16 conference by Michał Szczęsny from Exatel in Warschau on March 1, 2016. More information about the 16th PLNOG conference, which is the biggest conference for Polish network operators can be accessed here.
Spectral efficiency of 10 bit / s / Hz at 60 GHz experimentally proven
Scientists of the Center for Semiconductor and Optoelectronics have made a new breakthrough in radio data transmission, which could simplify the rollout of future 5G mobile networks. Within the scope of the European research projects IPHOBAC-NG and RAPID5G, new technologies respectively system architectures have been developed, which enable a highly efficient radio transmission even at highest radio frequencies.
For experts a picture with significant meaning: The so called constellation diagram of a radio signal modulated with 1024 QAM after the radio transmission.
At the end of last year researchers of University of Duisburg-Essen announced a sensation together with their American and German colleagues from Corning and Finisar. Believe it or not, for the first time an overall volume of data of ten gigabit per second (10 GBit/s) was successfully transmitted by radio within a channel bandwidth of only one Gigahertz (1 GHz). Thereby a high radio frequency of 60 GHz was employed. Outstanding about these experiments is the enormous spectral efficiency of 10 Bit/s per Hz radio bandwidth that has been achieved at 60 GHz radio frequency. “We have achieved this through the development of novel so called photonic radio transmitter (CPX) and new system architectures, with which we could transmit complex modulated radio signals (1024 QAM) at a radio frequency of 60 GHz for the first time.”
The term “spectral efficiency” thereby means the number of bits per second, which can be transmitted within a certain radio bandwidth. Thus for a spectral efficiency of 1 Bit/s/Hz and a channel bandwidth of 1 GHz, data transmission of 1 GBit per second is possible. Important to note at this point is, that radio channel bandwidths are firmly prescribed by national regulation bodies. Therefore they cannot be simply exceeded by network operators in order to transmit more data in a given time. This means, that an increase of data transfer rate is directly linked to an enhancement of spectral efficiency. That this is now been achieved at a radio frequency of 60 GHz is especially important, because at lower frequencies worldwide just very small channel bandwidths of few 10 MHz may be used. Only in the 60 GHz band national regulation bodies allow the usage of a radio channel with a bandwidth of 1 GHz and more.
Still much room for improvement
Incredibly, the project manager see even much more potential for improvements. “Our next aim is the usage of even higher radio frequencies in the THz region (above 300 GHz), where we can use yet much higher radio channel frequencies. Thus we want to transmit up to 100 GBit/s over the radio”, according to Professor Andreas Stöhr of University Duisburg-Essen.
Press release from the Department of Optoelectronics from University of Duisburg-Essen, also published here.
The best overall paper prize of the MWP conference 2015 was awarded to Rattana Chuenchom for her research and presentation on the new developed coherent photonic mixer (CPX).
The presented photonic mixer (CPX) is a joint development of the University of Duisburg-Essen and Finisar within the IPHOBAC-NG project. This CPX enables to upconvert optical baseband signals transparently into the millimeter-wave frequency range by optical means. The carrier frequency of the generated radio signal can be tuned in an enormously wide frequency range from DC to 110 GHz . So far, the CPX is suitable not only for today’s wireless networks such as 3G, 4G, but also for future 5G networks and even for research networks that operate at even higher carrier frequencies. The CPX has been successfully employed for CRoF wireless backhaul measurements within the RAPID5G project.
Ms Rattana Chuenchom during her presentation
Authors from UDE: X. Zou, M. Steeg, V. Rymanov, R. Chuenchom, S. Dülme, A. Stöhr, N. Schrinski
The press release from UDE can be accessed here.
UDE has performed mm-wave radio-over-fiber transmission experiments in the rural areas of Duisburg. The link was established by high gain antennas operating in the E-band (60-90 GHz) and delivered multiple Gbit/s over more than 200 m wireless distance. The fast setup of the link makes the system applicable for emergency scnearios as well as cost-effective hook-up of rural areas.