scholarly journals Network planning for Type 1 and Type 1a relay nodes in LTE-Advanced networks

2015 ◽  
Vol 16 (12) ◽  
pp. 1526-1536 ◽  
Author(s):  
Fan-Hsun Tseng ◽  
Li-Der Chou ◽  
Han-Chieh Chao
2010 ◽  
Vol 2010 ◽  
pp. 1-12 ◽  
Author(s):  
Abdallah Bou Saleh ◽  
Simone Redana ◽  
Jyri Hämäläinen ◽  
Bernhard Raaf

Decode-and-forward relaying is a promising enhancement to existing radio access networks and is currently being standardized in 3GPP to be part of the LTE-Advanced release 10. Two inband operation modes of relay nodes are to be supported, namely Type 1 and Type 1b. Relay nodes promise to offer considerable gain for system capacity or coverage depending on the deployment prioritization. However, the performance of relays, as any other radio access point, significantly depends on the propagation characteristics of the deployment environment. Hence, in this paper, we investigate the performance of Type 1 and Type 1b inband relaying within the LTE-Advanced framework in different propagation scenarios in terms of both coverage extension capabilities and capacity enhancements. A comparison between Type 1 and Type 1b relay nodes is as well presented to study the effect of the relaying overhead on the system performance in inband relay node deployments. System level simulations show that Type 1 and Type 1b inband relay deployments offer low to very high gains depending on the deployment environment. As well, it is shown that the effect of the relaying overhead is minimal on coverage extension whereas it is more evident on system throughput.


2019 ◽  
Vol 2019 ◽  
pp. 1-7
Author(s):  
Estefanía Crespo-Bardera ◽  
Adrián Vega Delgado ◽  
Aarón Garrido Martín ◽  
Alfonso Fernández-Durán ◽  
Matilde Sánchez-Fernández

Every year around 200 million people are affected by hazards of different nature. In most of these situations public protection and disaster relief personnel are usually the first responders to provide help. To provide differential relief coverage in these scenarios, novel communication and network functionalities are being demanded, relegating today’s narrowband private radio (PMR) emergency systems to the background. These are data-support, increased coverage, broadband communication, and high reliability which will be addressed by novel communication technologies such as Long Term Evolution (LTE), LTE Advanced-pro, and future 5G. In this work we tackle two key technological solutions for future emergency communication networks such as an architecture based on relay nodes and enhanced user equipment by means of multiple-input-multiple-output (MIMO) techniques.


2013 ◽  
Vol 15 (4) ◽  
pp. 770-786 ◽  
Author(s):  
Abdallah Bou Saleh ◽  
Ömer Bulakci ◽  
Simone Redana ◽  
Jyri Hämäläinen

Author(s):  
Mohammadreza Behjati ◽  
John Cosmas

Quality of service (QoS) and network capacity are being insisted as the two dominant factors for the utmost network satisfaction within any mobile network contracts. On the other hand, the heterogeneous network (HetNets), which are constructed based on sub-network layers' cooperation between macrocell and shorter-range applications like micro, femto and relay nodes, are also introduced as an open door to the recent researches towards the desired network satisfaction for the recently upgraded networks like LTE-Advanced (LTE-A). Nevertheless, since any network cooperation is expected to include a number of challenges; this cooperation is not excluded of dealing with degrading effects, such as interference, among the sub-network elements. This chapter presents a detailed discussion in self-organizing network (SON) methodology, as a novel solution to deal with network challenges, e.g. inter-cell interference coordination (ICIC), mobility, power control, etc. to improve the network quality and capacity.


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