Results 81 to 90 of about 10,497 (216)

3GPP Long Term Evolution [PDF]

open access: yes, 2012
LTE on matkapuhelintekniikka, jolla saavutetaan suurempi tiedonsiirtonopeus ja pie-nempi viive kuin aikaisemmilla matkapuhelintekniikoilla. LTE-tekniikkaa kehittää 3GPP-järjestö, joka koostuu kuudesta tietoliikkennealan standardointijärjestöstä ympäri ...
Vartiamäki, Ville
core  

Relay Architectures for 3GPP LTE-Advanced

open access: yesEURASIP Journal on Wireless Communications and Networking, 2009
The Third Generation Partnership Project's Long Term Evolution-Advanced is considering relaying for cost-effective throughput enhancement and coverage extension.
Peters StevenW   +3 more
doaj   +2 more sources

Comparative Analysis of QoS Management and Technical Requirements in 3GPP Standards for Cellular IoT Technologies

open access: yesJournal of Telecommunications and Information Technology, 2018
Optimization of 3GPP standards that apply to cellular technologies and their adaptation to LPWAN has not led to positive results only enabling to compete on the market with the growing number non-cellular greenfield LPWAN technologies – LoRa, Sigfox and ...
Valery O. Tikhvinskiy   +3 more
doaj   +1 more source

Network-based IP flow mobility support in 3GPPs evolved packet core

open access: yes, 2013
Includes bibliographical references.Mobile data traffic in cellular networks has increased tremendously in the last few years. Due to the costs associated with licensed spectrum, Mobile Network Operators (MNOs) are battling to manage these increased ...
John, Charna Tina
core  

Study on Convergent Pooling Technology Strategy with SGSN and MME

open access: yesDianxin kexue, 2013
Based on 3GPP evolution background and pooling technology of 3GPP convergent core network analysis, technical challenges and the corresponding solutions were discussed, including the network coverage planning and network identity mapping schemes, and the
Jie Miao, Gongying Gao, Jia Mu
doaj   +2 more sources

A Concrete Security Analysis for 3GPP-MAC [PDF]

open access: yes, 2003
The standardized integrity algorithm f9 of the 3GPP algorithm computes a MAC (Message Authentication Code) to establish the integrity and the data origin of the signalling data over a radio access link of W-CDMA IMT-2000. The function f9 is based on the block cipher KASUMI and it can be considered as a variant of CBC-MAC.
Dowon Hong   +3 more
openaire   +1 more source

Mobility management challenges in 3GPP heterogeneous networks

open access: yes, 2012
In this article we provide a comprehensive review of the handover process in heterogeneous networks (HetNets), and identify technical challenges in mobility management. In this line, we evaluate the mobility performance of HetNets with the 3rd Generation
Chu, X., Lopez-Perez, D., Guevenc, I.
core   +1 more source

Effect of Pseudo Random Noise (PRN) Spreading Sequence Generation of 3GPP Users’ Codes on GPS Operation in Mobile Handset

open access: yesJournal of Communications Software and Systems, 2016
In this paper, the effects of intersystem cross correlation of 3GPP user’ codes to GPS satellites’ codes will be demonstrated. The investigation and analysis are in the form of cross correlation between 3GPP users’ codes and GPS satellites Pseudo Random ...
Taher Al Sharabati
doaj  

Performance Evaluation of LTE−Advanced Downlink in Inter and Intra Band Carrier Aggregation Under Mobility and Interference

open access: yes, 2014
LTE−Advanced is a promising technology for a higher spectral efficiency and reliable transmission. This paper compares the downlink throughput experienced by mobile users in a macro-cell in an interference limited scenario with a frequency reuse of one ...
Andrew R. Nix   +7 more
core   +1 more source

Middleware de seguridad para el interworking WLAN-IMS

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2010
El 3GPP plantea una arquitectura de seguridad para el interworking WLAN-3GPP, sin embargo ésta presenta ineficiencias en el procedimiento de autenticación, lo que produce un mayor, consumo de recursos de radio, procesamiento en los dispositivos y retardo
Oscar Caicedo   +2 more
doaj  

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