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Träfflista för sökning "WFRF:(Schellmann Malte) "

Sökning: WFRF:(Schellmann Malte)

  • Resultat 1-9 av 9
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1.
  • Bengtsson, Mats, et al. (författare)
  • CELTIC CP5-026 WINNER+, D1.4 Initial Report on Advanced Multiple Antenna Systems
  • 2008
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This deliverable captures the first set of best innovative concepts identified in the field of Advanced Multiple Antenna Systems for potential inclusion into the WINNER+ system concept. The concepts consist of promising principles or ideas as well as detailed innovative techniques. For each concept, the associated benefits as well as the corresponding requirements on the system architecture and protocols, measurements and signalling, are considered. The document involves two main tracks: development of new advanced antenna schemes in the context of conventional cellular networks, and a study of coordinated multipoint transmission and reception, where multiple network nodes cooperate to enhance system performance.
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2.
  • Popovsk, Petar, et al. (författare)
  • EU FP7 INFSO-ICT-317669 METIS, D1.1 Scenarios, requirements and KPIs for 5G mobile and wireless system
  • 2013
  • Bok (övrigt vetenskapligt/konstnärligt)abstract
    • This deliverable introduces generic scenarios based on fundamental challenges, and the specific problem description of test cases that will be relevant for beyond future radio access. Specific characteristics of each scenario and each test case include the key assumptions regarding requirements and key performance indicators. In order not to constrain the potential solutions, the requirements are specified from an end-user perspective. The deliverable will not only serve as the guideline for the technical work and system concept design in METIS, but also can serve in external research communities to help to harmonize the work towards the future radio access system including the new generation system of 5G
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3.
  • Popovski, Petar, et al. (författare)
  • EU FP7 INFSO-ICT-317669 METIS, D2.1, Requirement analysis and design approaches for 5G air interface
  • 2013
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This document describes the problem space for the METIS research conducted in the radio link context. Firstly, a requirement analysis for the air interface design is conducted based on the test case descriptions presented in METIS deliverable D1.1. It follows an introduction of the research topics being pursued in the radio link research together with an illustration of how these topics are addressing the derived requirements. Moreover, it is shown which of thoserequirements address the needs of the METIS horizontal topics. To facilitate the achievement of these three objectives, a framework of General Requirements is introduced, which will be used throughout the project to assess and evaluate developed radio link solutions and to allow for measuring against the overall system performance goals.
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4.
  • Popovski, Petar, et al. (författare)
  • EU FP7 INFSO-ICT-317669 METIS, D2.2 Novel radio link concepts and state of the art analysis
  • 2013
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This document provides a detailed overview of the Radio Link concepts being developed in METIS as well as a detailed analysis of the related state of the art. For each of the research topics identified for the radio link research covering flexible air interface, new waveforms,modulation and coding techniques as well as multiple access, medium access control and enablers for radio resource management, a detailed description of the aspects to be investigated will be given, going beyond the limits imposed by the systems operated today and their planned evolutions. The state of the art analysis, which is conducted for each of the research topics separately, covers current standards, their future evolutions as well as latest academic research. Elaborating on how the approaches followed in the radio link research may advance this state of the art carves a promising track towards innovative solutions addressing the challenges of future wireless communication.
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5.
  • Popovski, Petar, et al. (författare)
  • EU FP7 INFSO-ICT-317669 METIS, D2.3 Components of a new air interface - building blocks and performance
  • 2014
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This document provides intermediate results of the concepts being developed in the radio link research of METIS. For each of the technology components (TeC) within the technology component clusters (TeCC), covering flexible air interface, new waveforms, modulation and coding techniques as well as multiple access, medium access control and enablers for radio resource management, key findings and conclusions collected so far are summarized in section 2. Continuative descriptions and research outcomes are given in the annex and referred publications.The results presented here will be extended in the further progress of the project, and they will be used in the next phase of the project to develop and refine the overall METIS system concept instantiated by the horizontal topics. The suitability of the single technology components for the overall system design being able to meet the wide range of requirements for 5G will then be evaluated.
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6.
  • Popovski, Petar, et al. (författare)
  • EU FP7 INFSO-ICT-317669 METIS, D2.4 Proposed solutions for new radio access
  • 2015
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This deliverable represents the final report on the METIS radio link research. It provides a comprehensive and self-contained summary of all investigated technology components (TeCs), including evaluation results and conclusions on their potential for 5G. The METIS radio link research covers three main areas, which are considered key aspects for developing a self-contained air interface design for 5G: 1) Flexible air interface, 2) Waveforms, coding & modulation and transceiver design and 3) Multiple access, Medium Access Control (MAC) and Radio Resource Management (RRM). TeCs with similar research context and objectives have been grouped into clusters, whereof five have been selected as the most promising for 5G systems: From research area 1, TeC clusters providing key enablers for an air interface for ultra-dense networks (UDN) and for moving networks; from research area 2, multi-carrier transmission schemes with filtering; and from research area 3, novel access schemes for massive machine access as well as for non-orthogonal access.
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7.
  • Schaich, Frank, et al. (författare)
  • Antenna, PHY and MAC Design
  • 2018
  • Ingår i: 5G System Design: Architectural and Functional Considerations and Long Term Research. - 9781119425120 ; , s. 265-314
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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8.
  • Schellmann, Malte, et al. (författare)
  • 5G radio-access technologies
  • 2016
  • Ingår i: 5G Mobile and Wireless Communications Technology. - 9781107130098
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)
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9.
  • Schellmann, Malte, et al. (författare)
  • V2X Radio Interface
  • 2021
  • Ingår i: Cellular V2X for Connected Automated Driving. - : Wiley. ; , s. 137-189
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • This chapter provides insights into key aspects of the radio interface design for vehicle-to-everything (V2X) communications for connected automated driving and connected road user services. A key technology component in the 5G NR system is the application of beamforming techniques with narrow beams in the mm-wave spectrum to overcome the dominant path-loss effect. The chapter presents different beamforming schemes. It focuses on extensions of the air interface in the PHY and MAC layer to address the challenges for V2V communication among a large number of distributed vehicles in highly mobile environments. Short-range communication established by the V2V sidelink enables the facilitation of new communication concepts for V2X: neighboring user equipments in a close vicinity can cooperate in uplink and downlink transmissions with a base station to make use of additional link diversity, which can be beneficially exploited to improve overall reliability at a reasonable system cost.
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  • Resultat 1-9 av 9

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