Joint Uplink and Downlink Performance Profiling of LTE Protocol Processing on a Mobile Platform

2010 ◽  
Vol 1 (4) ◽  
pp. 21-39 ◽  
Author(s):  
David Szczesny ◽  
Sebastian Hessel ◽  
Anas Showk ◽  
Attila Bilgic ◽  
Uwe Hildebrand ◽  
...  
Keyword(s):  
State Of The Art ◽  
Hardware Acceleration ◽  
Protocol Stack ◽  
Performance Profiling ◽  
Term Evolution ◽  
Data Rates ◽  
Layer 2 ◽  
Time Critical ◽  
Hardware Platforms

This article provides a detailed profiling of the layer 2 (L2) protocol processing for 3G successor Long Term Evolution (LTE). For this purpose, the most processing intensive part of the LTE L2 data plane is executed on top of a virtual ARM based mobile phone platform. The authors measure the execution times as well as the maximum data rates at different system setups. The profiling is done for uplink (UL) and downlink (DL) directions separately as well as in a joint UL and DL scenario. As a result, the authors identify time critical algorithms in the protocol stack and check to what extent state-of-the-art hardware platforms with a single-core processor and traditional hardware acceleration concepts are still applicable for protocol processing in LTE and beyond LTE mobile devices.

Joint Uplink and Downlink Performance Profiling of LTE Protocol Processing on a Mobile Platform

2012 ◽  
pp. 122-140
Author(s):  
David Szczesny ◽  
Sebastian Hessel ◽  
Anas Showk ◽  
Attila Bilgic ◽  
Uwe Hildebrand ◽  
...  
Keyword(s):  
Mobile Devices ◽  
Hardware Acceleration ◽  
Long Term Evolution ◽  
Performance Profiling ◽  
Data Rates ◽  
Data Plane ◽  
Layer 2 ◽  
Time Critical ◽  
Hardware Platforms

This article provides a detailed profiling of the layer 2 (L2) protocol processing for 3G successor Long Term Evolution (LTE). For this purpose, the most processing intensive part of the LTE L2 data plane is executed on top of a virtual ARM based mobile phone platform. The authors measure the execution times as well as the maximum data rates at different system setups. The profiling is done for uplink (UL) and downlink (DL) directions separately as well as in a joint UL and DL scenario. As a result, the authors identify time critical algorithms in the protocol stack and check to what extent state-of-the-art hardware platforms with a single-core processor and traditional hardware acceleration concepts are still applicable for protocol processing in LTE and beyond LTE mobile devices.

scholarly journals "A survey on the most important internet of things technologies "

2019 ◽  
Vol 6 (2) ◽  
pp. 1-12
Author(s):  
Gesoon j.k Al-Abass ◽  
Huda R. ALkifaey
Keyword(s):  
Cloud Computing ◽  
Internet Of Things ◽  
Recent Work ◽  
State Of The Art ◽  
Long Term Evolution ◽  
Network Layers ◽  
Term Evolution ◽  
Domain Importance ◽  
The World

"Internet of things (IoT) domain targets human with smart resolutions through the connection of “M2M” in all over the world, effectively. It was difficult to ignore domain importance field of IoT with the new deployment of applications such as smartphone in recent days. The most important layer in architecture of IoT is network layer, because of various systems (perform of cloud computing, switching, hub, gateway, so on), different technologies of connection (Long-Term Evolution (LTE), WIFI, Bluetooth, etc.) gathered in layer. Network layers should transfer the information from or to various applications/objects, via gateways/interfaces between networks that are heterogeneous, therefore utilizing different connection technologies, protocols. Recent work highlighted IoT technologies state-of-the-art utilized in architectures of IoT, some variations among them in addition to the applications of them in life."

scholarly journals 3G Long Term Evolution Baseband Processing with Application-Specific Processors

2009 ◽  
Vol 2009 ◽  
pp. 1-13 ◽  
Author(s):  
Perttu Salmela ◽  
Juho Antikainen ◽  
Teemu Pitkänen ◽  
Olli Silvén ◽  
Jarmo Takala
Keyword(s):  
Software Defined Radio ◽  
High Capacity ◽  
Long Term Evolution ◽  
Sphere Decoding ◽  
Interprocessor Communication ◽  
Term Evolution ◽  
Data Rates ◽  
Universal Mobile Telecommunications System ◽  
Application Specific

Data rates in the upcoming 3G long term evolution (LTE) standard will be manifold when compared to the current universal mobile telecommunications system. Implementing receivers conforming with the high-capacity transmission techniques is challenging due to the complexity and computational requirements of algorithms. In this study, the software defined radio (SDR) is targeted and the four essential baseband functions of the 3G LTE receiver, namely, list sphere decoding, fast Fourier transform, QR decomposition, and turbo decoding, are addressed and the functions are implemented as application specific processors (ASPs). As a result, the design space that describes the essential computational challenges of 3G LTE receivers is clarified and estimates of area, power, and interprocessor communication buffer requirements are presented.

scholarly journals QoS Oriented Multiobjective Optimizer for Radio Resource Management of LTE-A Femtocells

2016 ◽  
Vol 2016 ◽  
pp. 1-13 ◽  
Author(s):  
Ayesha Haider Ali ◽  
Muhammad Mohsin Nazir
Keyword(s):  
Resource Management ◽  
Radio Resource Management ◽  
Optimal Solution ◽  
Limited Resources ◽  
Radio Resource ◽  
Term Evolution ◽  
Data Rates ◽  
Transmission Opportunity

The future wireless networks support multimedia applications and require ensuring quality of the services they provide. With increasing number of users, the radio resource is becoming scarce. Therefore, how should the demands for higher data rates with limited resources be met for Long Term Evolution-Advanced (LTE-A) is turning out to be a vital issue. In this research paper we have proposed an innovative approach for Radio Resource Management (RRM) that makes use of the evolutionary multiobjective optimization (MOO) technique for Quality of Service (QoS) facilitation and embeds it with the modern techniques for RRM. We have proposed a novel Multiobjective Optimizer (MOZ) that selects an optimal solution out of a Pareto optimal (PO) set in accordance with the users QoS requirements. We then elaborate the scheduling process and prove through performance evaluation that use of MOO can provide potential solutions for solving the problems for resource allocation in the advancement of LTE-A networks. Simulations are carried out using LTE-Sim simulator, and the results reveal that MOZ outperforms the reference algorithm in terms of throughput guarantees, delay bounds, and reduced packet loss. Additionally, it is capable of achieving higher throughput and lower delay by giving equal transmission opportunity to all users and achieves 100% accuracy in terms of selecting optimal solution.

scholarly journals Seven Challenges for Communication in Modern Railway Systems

2021 ◽  
Vol 1 ◽  
Author(s):  
Elias Yaacoub ◽  
Ahmad Alsharoa ◽  
Hakim Ghazzai ◽  
Mohamed-Slim Alouini
Keyword(s):  
Resource Allocation ◽  
Energy Efficiency ◽  
Communication Networks ◽  
Railway Systems ◽  
Term Evolution ◽  
Technological Advances ◽  
Lte Advanced ◽  
Data Rates ◽  
Mobile Relays

To meet the increasing demands for passenger data rates, modern railway communication networks face significant challenges. The advent of 5G communications after the long-term evolution (LTE) and LTE-Advanced (LTE-A) systems provides several technological advances to address these challenges. In this paper, after reviewing the main 5G communication aspects for modern railways, we describe seven main challenges faced by train connectivity, and discuss appropriate solutions. Specifically, we elaborate on techniques for ensuring connectivity and energy efficiency for the passengers' user equipment (UE) through the use of mobile relays (MRs) on top of the train wagons in conjunction with intelligent resource allocation.

scholarly journals Realization of LTE physical layer baseband processing architecture for narrowband IOT

2018 ◽  
Vol 7 (2.31) ◽  
pp. 56
Author(s):  
S Syed Ameer Abbas ◽  
M Venisubha ◽  
S Siva Gayathri ◽  
S J. Thiruvengadam
Keyword(s):  
Long Term Evolution ◽  
Smart Devices ◽  
Battery Life ◽  
Term Evolution ◽  
Data Rates ◽  
Massive Number ◽  
Machine Communication ◽  
3Gpp Long Term Evolution ◽  
Resource Elements

The 3GPP Long Term Evolution represents the major innovation in cellular technology. NB-IoT is the 3GPP standard for machine to machine communication finalized within LTE Release13. NB-IoT technology occupies frequency band of 180 kHz bandwidth which corresponds to one resource block in LTE transmission. The Long Term Evolution (LTE) supports higher data rates, higher bandwidth, Low latency, good Quality of Service whereas objective of Narrow Band Internet of Things (NB - IOT) is to achieve extended coverage, to support massive number of smart devices and have multi - year long battery life. So the main focus is linking LTE with IOT. The objective of this paper proposes transmitter architecture of PUCCH (Physical Uplink Control Channel) and PUSCH(Physical uplink Shared Channel) in SISO and SIMO configurations for physical uplink channels of LTE. The physical uplink  and downlink channel processing involves scrambling, modulation, layer mapping, transform precoding, and resource element mapping at the transmitter and the receiver block to have demapping from the resource elements and detection of data. At present, the data for on-off control has been worked and the whole framework has been simulated using Modelsim and implemented in Spartan 6.

scholarly journals Technologies of dynamic access and shared use of the radioelectric spectrum

2019 ◽  
Vol 11 (2) ◽  
pp. 53-70
Author(s):  
Gerardo Martínez Cruz
Keyword(s):  
Cognitive Radio ◽  
Digital Divide ◽  
Mobile Networks ◽  
State Of The Art ◽  
Long Term Evolution ◽  
Term Evolution ◽  
Traffic Capacity ◽  
Federal Institute ◽  
Engineering And Technology

Purpose – The quest to reduce the digital divide and increasing the traffic capacity of mobile networks to meet the demand for future connectivity led the Federal Institute of Telecommunications (IFT), through the Directorate of Engineering and Technology. Methodology – Analysis of the state of the art of the technologies of dynamic access and shared use of the radioelectric spectrum (TADUCE) in order to identify those that are susceptible to adoption in Mexico. The technologies analyzed in the research are those based on LTE (Long Term Evolution) that operate in frequency bands of free use, emerging technologies based on MIMO, Cognitive Radio (RC), Device-to-Device (D2D) and TV White Spaces (TVWS) communications. Findings – The DIT establishes different recommendations that the IFT must consider in order for these technologies to be optimally implemented in the country.

scholarly journals Reconfigurable 3-D Slot Antenna Design for 4G and Sub-6G Smartphones with Metallic Casing

Electronics ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 216 ◽  
Author(s):  
Peng Yang
Keyword(s):  
State Of The Art ◽  
Three Dimensional ◽  
Smartphone Application ◽  
Long Term Evolution ◽  
Antenna Design ◽  
Slot Antenna ◽  
Pin Diodes ◽  
Design Processes ◽  
Term Evolution

The design of a reconfigurable three-dimensional (3-D) slot antenna for 4G and sub-6G smartphone application is presented in this paper. The antenna is located at the bottom of the smartphone and integrated with a metallic casing. Positive-Intrinsic-Negative (PIN) diodes are loaded at the dual-open slot and the folded U-shaped slot, respectively, which are used to realize four working states. The antenna has a compact volume of 42 × 6 × 6 mm3, which can cover the long term evolution (LTE) bands of 698–960 MHz and 1710–2690 MHz, and the sub-6G bands of 3300–3600 MHz & 4800–5000 MHz. The design processes are presented and the structure is optimized, fabricated and measured. The comparison to other state-of-the-art antennas shows that the proposed design has multiband characteristics with small size.

scholarly journals Untitled ItemEnhanced Connectivity and Energy Efficient Networking for Modern Railways Communication Systems

2019 ◽  
Author(s):  
Elias Yaacoub ◽  
Ahmad Alsharoa ◽  
Hakim Ghazzai ◽  
Mohamed-Slim Alouini
Keyword(s):  
Energy Efficiency ◽  
Communication Networks ◽  
Energy Efficient ◽  
Communication Systems ◽  
Term Evolution ◽  
Technological Advances ◽  
Lte Advanced ◽  
Data Rates ◽  
Mobile Relays

<b>To meet the increasing demands for passenger data rates, modern railway communication networks face significant challenges. The advent of 5G communications after the long-term evolution (LTE) and LTE-Advanced (LTE-A) systems provides several technological advances to address these challenges. In this paper, after reviewing the main 5G communication aspects for modern railways, we present methods to ensure connectivity and energy efficiency for the passengers' user equipment (UE) through the use of mobile relays (MRs) on top of the train wagons in conjunction with intelligent resource allocation. Relevant challenges to train connectivity are also presented, and suitable solutions are outlined.</b>

scholarly journals Untitled ItemEnhanced Connectivity and Energy Efficient Networking for Modern Railways Communication Systems

2019 ◽  
Author(s):  
Elias Yaacoub ◽  
Ahmad Alsharoa ◽  
Hakim Ghazzai ◽  
Mohamed-Slim Alouini
Keyword(s):  
Energy Efficiency ◽  
Communication Networks ◽  
Energy Efficient ◽  
Communication Systems ◽  
Term Evolution ◽  
Technological Advances ◽  
Lte Advanced ◽  
Data Rates ◽  
Mobile Relays

<b>To meet the increasing demands for passenger data rates, modern railway communication networks face significant challenges. The advent of 5G communications after the long-term evolution (LTE) and LTE-Advanced (LTE-A) systems provides several technological advances to address these challenges. In this paper, after reviewing the main 5G communication aspects for modern railways, we present methods to ensure connectivity and energy efficiency for the passengers' user equipment (UE) through the use of mobile relays (MRs) on top of the train wagons in conjunction with intelligent resource allocation. Relevant challenges to train connectivity are also presented, and suitable solutions are outlined.</b>

Sign in / Sign up

Export Citation Format

Share Document