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Implementing Spectrum Access in LTE-A

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abdelrahman osama

on 7 April 2015

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Transcript of Implementing Spectrum Access in LTE-A

Implementing Opportunistic Spectrum Access in LTE-Advanced
Prepared by :
Abdelrahman M.Osama
Asmaa Mohamed
Ebrahim El-Desoky
Maha Mohamed
Manar Abdo

Supervised by :
Prof.Dr. Hesham Mohamed EL-Badawy
Dr. Asmaa Safan

2015
Agenda
Intro.
Problem
Statement

Model
Assumption

Equipments
Methodology
Results
Conclusion
&
Future Work

Introduction
Wireless Communication
Mobility.

Overcome difficult cabling situations.

Low initial cost

Easier to maintain

Interference

Noise

Loss

Security vulnerabilities


Adv.
Dis-Adv.
Mobile Communications Generations
Cognitive Radio Technology
Problem Statement
Expand LTE Spectrum with Cognitive Radio.
Model

Indoor [NTI - Networking Planning Department]

Scanning from 1900-2100 MHz

Scanning White holes in
TV band
Model
Laser Distance Meter
Accuracy: ± 1.5mm



EME SPY 140 Dosimeter
Freq. range: up to 6 GHz



FSH-6 Spectrum Analyzer
Freq. range: 100 kHz- 6 GHz



Methodology
Arab Republic of Egypt
Ministry of Communication
and Information Technolog
y

Methodology
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Equipments
Step 1
CR-LAB
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Step 2
Methodology
Step 3
Laser Distance Meter



EME SPY 140 - Dosimeter



LTE Network Architecture
Frequency Bands
Results
EME SPY 140
UMTS - UL (1920-1980 MHz)
Methodology
Step 4
FSH-6 Spectrum Analyzer
Freq. range: 100 kHz- 6 GHz



Results
Model Assumptions
UMTS - UL
1920-1980 MHz
EME SPY 140
Application Scenarios of CR in LTE Networks
Results
FSH6 Spectrum Analyzer
Results
FSH6 Spectrum Analyzer
Results
FSH6 Spectrum Analyzer
1900 MHz
1915 MHz
1915 MHz
1950 MHz
1950 MHz
1960 MHz
Future Work
References

All the broadband Spectrum include the GSM bands can be used again to increase LTE band after the expiration date of existing licenses.

Study and apply this project for outdoor.

Scan more bands to find more white space.



1. Junfeng Xiao ,Rose QingYang Hu, Yi Qian, Lei Gong and Bo Wang, "Expanding LTE Network Spectrum With Cognitive Radios: From Concept To Implementation",IEEE Wireless Communications • April 2013.

2. Haykin S. ,"Cognitive radio: brain-empowered wireless communications.IEEE Journal on Selected Areas in Communications",2005.

3. Maziar Nekovee, "WorldWide Trends In Regulation Of Secondary Access To White Spaces Using Cognitive Radio",IEEE Wireless Communications • August 2012.

4. Ghassemi A, Bavarian S, Lampe L. "Cognitive radio for smart gridcommunications". In: Proc. of First IEEE InternationalConference on Smart Grid Communications, 2010.

5. The National Telecom Regulatory Authority (NTRA), Egypt ,"SpectrumRegulatory Measures to Promote Wireless Broadband" ,2011 Global Symposiumfor Regulators Armenia City, Colombia, 21 to 23 September 2011 .

6. Yonghong Zeng, Yi ng-Chang Liang, Zhongding Le i, Ser Wah Oh, Francois Chi n, and Sumei Sun," Worldwide Regulatory and St andardizationActivities on Cognitive Radio" , IEEE DySPAN 2010





1930 MHz
1942 MHz
1947 MHz
MOBINIL
UMTS
UL
Vodafone
UMTS
UL
Results
FSH6 Spectrum Analyzer
Results
FSH6 Spectrum Analyzer
1960 MHz
1985 MHz
Etisalat
UMTS
UL
1970 MHz
1980 MHz
1985 MHz
2100 MHz
1900 MHz
2100 MHz

1930 MHz

1947 MHz

1970 MHz
1980 MHz
White Spaces
Results
Main Features in LTE-Advanced
Carrier aggregation

Higher order MIMO

Relay nodes

Peak data rates:
Downlink: 1Gbps
Uplink: 500Mbps

Spectrum efficiency

AIR4GP PICOCELL
VAS of LTE
VAS of CR
Smart Grid Communication
Remote Medical Services
Smart Traffic Management
Air4Gp is a SDR product

Operating Frequency: 150 MHz to 6 GHz

Duplex: TDD & FDD

Channel BW
LTE: 1.4,3,5,10,15,20 MHz

Simple Structure

High data rates

Low latency

QoS


National Telecommunications Institute
NTI

Source: http://anengineerzdiary.blogspot.com
Source:Nokia Research Center Presents: Cognitive Radio


Source: "Practical Implementation of Congnitive Radio Arechectuture for Radio Resources Mangement and Control", Anil Morab Vishwanth.
Source :
"Expanding LTE Network Spectrum With Cognitive Radios". IEEE Wireless Communications. April 2013.
Source:www.airspan.com
Source:"Value Added Services (VAS) at LTE etworks".April,2012.
Source:IEEE Trans on Smart Grid, 2011.
Source :http://www.3gpp.org/echnologies/Keywordsacronyms/98-lte
Source:Cognitive Radio-based Regional Area and Smart Utility Networks, Chair
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Conclusion
Primary User
Secondary User at TV band
1900 MHz
1915 MHz
Av.Power = -105 dBm
LTE - CAPEX & OPEX
European CELTIC Project

Simulated Time

Software for business case Analysis (STEM)

Modeling of the Market
Source: "Lte Network Design From a Techno-Economic Perspective",Knoll, Th. M.
Traffic Report
CAPEX of LTE Specific Resources
CAPEX of the Transport Links
Over All CAPEX
Over All OPEX
Revenue
Thank You
Thank You
Any Questions
VAS
Technology
Spectrum
??
Cognitive Radio
Av.Power = -105 dBm
Max.Power = -81.9 dBm
Av.Power = -105 dBm
Max.Power = -82.4 dBm
Av.Power = -105 dBm
-105
dBm
1940 MHz
-105
dBm
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Source: "Lte Network Design From a Techno-Economic Perspective",Knoll, Th. M.
Source: "Lte Network Design From a Techno-Economic Perspective",Knoll, Th. M.
Source: "Lte Network Design From a Techno-Economic Perspective",Knoll, Th. M.
Source: "Lte Network Design From a Techno-Economic Perspective",Knoll, Th. M.
Source: "Lte Network Design From a Techno-Economic Perspective",Knoll, Th. M.
Source: "Lte Network Design From a Techno-Economic Perspective",Knoll, Th. M.
Source :
"Expanding LTE Network Spectrum With Cognitive Radios". IEEE Wireless Communications. April 2013.
Outdoor Solution
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