High Speed Packet Access Evolution - Concept and Technologies

Peisa, Janne; Wager, Stefan; Sagfors, M.; Torsner, Johan; Göransson, Bo; Fulghum, T.; Cozzo, C.; Grant, S.J.

doi:10.1109/vetecs.2007.178

Cited by 22 publications

(17 citation statements)

References 6 publications

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“…The one-way transit time of a FEC block can be roughly approximated by 3.5T TTI [26]. Therefore, the round trip time (RTT) [27] is T RTT ≈ 7T TTI .…”

Section: Gfdm Modelmentioning

confidence: 99%

GFDM Frame Design for 5G Application Scenarios

Ferreira

Rodrigues

González

et al. 2017

JCIS

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Abstract-The services foreseen for 5G networks will demand a vast number of challenging requirements to be fulfilled by the physical layer. These services can be grouped into application scenarios, each one with a key requirement to be addressed by the 5G network. A flexible waveform associated with a appropriate data frame is an essential feature in order to guarantee the support of contrasting requirements from different application scenarios such as Enhanced Mobile Broadband, Internet of Things, Tactile Internet and Internet Access for Remote Areas. In this paper, we propose a flexible data frame based on Generalized Frequency Division Multiplexing (GFDM) that can be tailored to address the specific key requirements of the different 5G scenarios. The paper also presents the physical layer parametrization that can be used for each application.

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“…The one-way transit time of a FEC block can be roughly approximated by 3.5T TTI [26]. Therefore, the round trip time (RTT) [27] is T RTT ≈ 7T TTI .…”

Section: Gfdm Modelmentioning

confidence: 99%

GFDM Frame Design for 5G Application Scenarios

Ferreira

Rodrigues

González

et al. 2017

JCIS

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“…HS-SFN phase adjustment, as well as DTxAA, depends on the precoding weight vector that the UE reports to NodeB in a Precoding Control Indication (PCI) message [43]. In HS-SFN, the vector is taken from a fixed codebook, which is similar to the codebook in closed-loop transmit diversity mode 1 and consists of the following weights that shift the phase by a factor of π 2 [44]:…”

Section: Phase Adjustmentmentioning

confidence: 99%

Scheduling multipoint-to-point transmissions over HSDPA based Single Frequency Network

Alfaro

Hytönen

Puchko

et al. 2013

2013 IEEE Third International Conference on Information Science and Technology (ICIST)

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Esitetään Jyväskylän yliopiston informaatioteknologian tiedekunnan suostumuksella julkisesti tarkastettavaksi yliopiston Agora-rakennuksen Beeta-salissa joulukuun 16. päivänä 2015 kello 12.Academic dissertation to be publicly discussed, by permission of the Faculty of Information Technology of the University of Jyväskylä, in building Agora, Beeta hall, on December 16, 2015 at 12 o'clock noon. UNIVERSITY OF JYVÄSKYLÄ JYVÄSKYLÄ 2015Enhancing and Multipoint-to-Point Single-Frequency Network (M2P-SFN) enable transmission of user-dedicated data from several cells, with the objective to improve performance, especially in cell edges where the signal quality is usually weak. The main difference between the concepts is the way cell-specific scrambling codes are configured in the network, which eventually determines how flow control, physical layer resource allocation and signal formation and reception will be conducted. The performance of each technique is separately evaluated with systemlevel simulations. In addition, the dissertation discusses issues with regard to interference conditions and mobility control that may originate from multipoint transmissions.

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“…This result did not only trigger further research on opportunistic communications, but also found applications in practical systems such as those using the high speed packet access (HSPA) technology [2]. More recently, opportunistic power control (OPC) for multicell systems has been shown to be throughput optimal for data traffic [3].…”

Section: Introductionmentioning

confidence: 99%

An Optimization Approach to Joint Cell and Power Allocation in Multicell Networks

Fallgren

Oddsdóttir

Fodor

2011

2011 IEEE International Conference on Communications Workshops (ICC)

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Abstract-Since the seminal paper by Knopp and Humblet that showed that the system throughput of a singlecell system is maximized if only one terminal transmits at a time, there has been a large interest in opportunistic communications and its relation to various fairness measures. On the other hand, in multicell systems there is a need to allocate transmission power such that some overall utility function is maximized typically under fairness constraints. Furthermore, in multicell systems the degree of resource allocation freedom includes the serving cell selection that allows for load balancing and thereby the efficient use of radio resources. In this paper we formulate the joint serving cell selection (link selection) and power allocation problem as an optimization task whose purpose is to maximize either the minimum user throughput or the multicell sum throughput. The max-min problem and a simplified max throughput problem are both NP-hard and we therefore propose heuristic solution approaches. We present numerical results that give new and valuable insights into the trade off between fair and sum throughput optimal joint resource allocation strategies.

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High Speed Packet Access Evolution - Concept and Technologies

Cited by 22 publications

References 6 publications

GFDM Frame Design for 5G Application Scenarios

GFDM Frame Design for 5G Application Scenarios

Scheduling multipoint-to-point transmissions over HSDPA based Single Frequency Network

An Optimization Approach to Joint Cell and Power Allocation in Multicell Networks

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