نتایج جستجو برای: سیستم lte

تعداد نتایج: 80210  

2015
Ramprasad Subramanian Pantha Ghosal Shouman Barua Shiqi Xing Sinhlam Cong Haider Al Kim Kumbesan Sandrasegaran

The LTE/LTE-A has become a catchphrase for research and lot of research are being conducted and carried out in LTE in various issues by various people. New tools are developed and introduced in the market to interpret the results of the new algorithms proposed by various people. Some tools are open access which are free to use but some tools are produced by the companies which are not open acce...

امروزه پخش زنده محتوای چندرسانه‌ای مانند ترافیک‌های ویدئو وVoIP ، در شبکه‌های سلولی به شکل فزاینده‌ای مرسوم شده است. شبکه LTE باهدف ارائه سرعت بالا، همراه با تأمین کیفیت‌سرویس و درنهایت به دست آوردن رضایت بیشتر مشتریان به بازار معرفی شده است. مدیریت منابع رادیویی، راهکاری است که برای رسیدن به این اهداف در این شبکه‌ها وجود دارد. برای دست یافتن به این مهم، از زمان‌بندها به‌صورت آگاه از وضعیت کانا...

The quality of signal at a particular location is essential to determine the performance of mobile system. The problem of poor network in Lagos, Nigeria needs to be addressed especially now that the attention is toward online learning and meetings. Existing empirical Path Loss (PL) models designed elsewhere are not appropriate for predicting the 4G Long-Term Evolution (LTE) signal in Nigeria. T...

Journal: :CoRR 2017
Ursula Challita Li Dong Walid Saad

LTE in unlicensed spectrum (LTE-U) is a promising approach to overcome the wireless spectrum scarcity. However, to reap the benefits of LTE-U, a fair coexistence mechanism with other incumbent WiFi deployments is required. In this paper, a novel deep learning approach is proposed for modeling the resource allocation problem of LTE-U small base stations (SBSs). The proposed approach enables mult...

Journal: :Aviation, space, and environmental medicine 1989
D A DuBose L E Armstrong W J Kraemer M Lukason

Elevated reticuloendothelial function and plasma fibronectin (PF) level correlate with reduced rat heat shock mortality. Procedures that enhance human PF level may offer some advantage in dealing with the adverse effects of environmental stress. Both short- (STE) and long- (LTE) term exercise programs were evaluated for their ability to increase male human PF. STE (1 week; N = 14) consisted of ...

2012
Ghassan A. Abed Mahamod Ismail Kasmiran Jumari

Long Term Evolution Advanced (LTE-Advanced) network is the continuation of 3GPP-LTE (3GPP: 3rd Generation Partnership Project) and it targets to advanced develop of the requirements of LTE in terms of throughput and coverage. Then, LTEAdvanced is not new as a radio access technology, but it’s an evolution of LTE to enhance the performance. The direct employment of the existing protocols cannot ...

Journal: :CoRR 2016
Roger Piqueras Jover

The Long Term Evolution (LTE) is the latest mobile standard being implemented globally to provide connectivity and access to advanced services for personal mobile devices. Moreover, LTE networks are considered to be one of the main pillars for the deployment of Machine to Machine (M2M) communication systems and the spread of the Internet of Things (IoT). As an enabler for advanced communication...

2006
M. F. Nieva

Aims. Hydrogen and helium line spectra are crucial diagnostic features for the quantitative analysis of OB stars. We compute synthetic spectra based on a hybrid non-LTE approach in order to test the ability of these models to reproduce high-resolution and high-S/N spectra of dwarf and giant stars and also to compare them with published grids of non-LTE (OSTAR2002) and LTE (Padova) models. Metho...

2012
Xiaolin Hou Hidetoshi Kayama

The merits of 3GPP long term evolution (LTE), such as high spectral efficiency, very low latency, support of variable bandwidth, simple architecture, etc, make it the most competitive candidate for the next generation mobile communications standard. In the first release of LTE, only single transmit antenna is supported in the uplink due to its simplicity and acceptable performance. However, in ...

Journal: :EURASIP J. Wireless Comm. and Networking 2013
Oh-Soon Shin Salah-Eddine Elayoubi Yeon Kyoon Jeong Yoan Shin

With the explosive growth in mobile data traffic fueled by smartphones and mobile applications, transition from the 3rd generation (3G) toward 4th generation (4G) cellular networks is progressing at an unprecedented pace. Since the first release (release 8) of the 3rd generation partnership project (3GPP) long-term evolution (LTE) standard in December 2008, LTE has become the de facto standard ...

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