Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ke Wang Helmersson"'
Autor:
Pål Frenger, Ke Wang Helmersson
Publikováno v:
VTC Spring
A method for massive MIMO antenna muting for reducing energy consumption in 5G NR is presented and system level evaluated results is provided. By utilizing both polarizations of a dual-polarized antenna array the resulting beam shape can be kept cons
Autor:
Ke Wang Helmersson, Pål Frenger
Publikováno v:
GLOBECOM
In this paper we study the impact on radio network energy consumption, system capacity and end-user performance when deploying 5G NR street-macro cells in a dense urban area. The network energy consumption is a significant part of the operator OPEX [
Publikováno v:
ETFA
Wireless factory automation has been receiving much interest in recent years due to its advantages of low cost and high flexibility over the traditional wired networks. Factory automation is also considered as one of the important use-cases of the 5t
Publikováno v:
GLOBECOM Workshops
Factory automation is one of the challenging use cases that the fifth generation, 5G, networks are expected to support. It involves mission-critical machine-type communications, MTC, with requirements of extreme low-latency and ultra-reliable communi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e064e7419a75c190c922a5ef7d640f7
https://avesis.deu.edu.tr/publication/details/f90936d4-b8d9-4317-92bc-aafc1c0dfe1c/oai
https://avesis.deu.edu.tr/publication/details/f90936d4-b8d9-4317-92bc-aafc1c0dfe1c/oai
Autor:
C. Cozzo, Maria Edvardsson, Christer Edholm, Jung-Fu Cheng, Wang Yi-Pin, Ke Wang Helmersson, Eva Englund
Publikováno v:
VTC-2005-Fall. 2005 IEEE 62nd Vehicular Technology Conference, 2005..
Autor:
Wang Yi-Pin, Christer Edholm, Maria Edvardsson, Ke Wang Helmersson, Jung-Fu Cheng, M. Samuelsson, Eva Englund, Stefan Parkvall
Publikováno v:
2005 IEEE 61st Vehicular Technology Conference.
We present the potential performance improvements attainable by new enhancements to the WCDMA uplink. Improvements can be expected in both system capacity and end-user perceived performance. In this paper we focus on the capacity gains of short TTI,
Publikováno v:
IEEE 60th Vehicular Technology Conference, 2004. VTC2004-Fall. 2004.
To meet future demands for improved uplink packet data performance, enhancements to the WCDMA uplink are part of Re16 of the specifications, with completion date at the end of 2004. The main targets are improved performance for packet data services i
Publikováno v:
The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring..
To support high peak rates the possibility to use higher-order modulation is included in the WCDMA high-speed downlink shared channel (HS-DSCH). In an initial roll-out, higher-order modulation may not be available in all terminals and it is therefore
Autor:
Peter Malm, Eva Englund, Johan Torsner, Ke Wang Helmersson, Stefan Parkvall, Christer Edholm, Maria Edvardsson, M. Samuelsson, Janne Peisa
Publikováno v:
Fifth IEE International Conference on 3G Mobile Communication Technologies (3G 2004) The Premier Technical Conference for 3G and Beyond.
To meet future demands for improved uplink packet data performance, WCDMA is continuously evolving. In Rel5, HSDPA was introduced, providing substantial downlink improvements, and in Rel6, the enhanced uplink will be an integral part of the specifica
Autor:
Gunnar Bark, Ke Wang Helmersson
Publikováno v:
IEEE VTS 53rd Vehicular Technology Conference, Spring 2001. Proceedings (Cat. No.01CH37202).
In order to avoid downlink channelization code shortage, a downlink shared channel (DSCH) has been specified for WCDMA systems. On DSCH, many packet data users with bursty traffic can share a single channelization code. However, since DSCH is transmi