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7.5.1 System

7 Cellular network simulation 7.5 Cellular network positioning

Initially macro-cellular environment was implemented in SEAMCAT, but with time more flexibility w...

Updated 2 months ago by ECO TECH

Introduction

7 Cellular network simulation 7.5 Cellular network positioning

5 panels characterised the positioning of a cellular system. This panel is the same whether a CDM...

Updated 2 months ago by ECO TECH

7.4 TDD vs FDD simulation

7 Cellular network simulation

Note that TDD (Time Division Duplex)/FDD (Frequency Division Duplex) simulations are scenario dep...

Updated 2 months ago by ECO TECH

7.3 OFDMA overview

7 Cellular network simulation

The simulation of OFDMA systems is similar to that of the CDMA systems, except that after the ove...

Updated 2 months ago by ECO TECH

7.2 CDMA overview

7 Cellular network simulation

When simulating CDMA systems, SEAMCAT performs power controlling in a fully loaded system of all ...

Updated 2 months ago by ECO TECH

7.1 Introduction

7 Cellular network simulation

Whereas traditional simulation of non-CDMA or non-OFDMA systems is carried out in SEAMCAT by taki...

Updated 2 months ago by ECO TECH

6.5.3 Some of the channels are blocked and some are available

6 Spectrum sensing and cognitive radio 6.5 Examples

This is a typical example. In such a scenario, the detection threshold is taken to a value of -80...

Updated 2 months ago by ECO TECH

6.5.2 All the channels are blocked

6 Spectrum sensing and cognitive radio 6.5 Examples

In such a scenario, the detection threshold is taken to a lower value compared to the sRSS and no...

Updated 2 months ago by ECO TECH

6.5.1 All the channels are available

6 Spectrum sensing and cognitive radio 6.5 Examples

  In such a scenario, the detection threshold is taken to a value of 0 dB (Figure 160) much high...

Updated 2 months ago by ECO TECH

6.4 Scenario parameters

6 Spectrum sensing and cognitive radio

In addidtion to the input system parameters, you also need to set charateristics of the spectrum ...

Updated 2 months ago by ECO TECH

6.3 Input system parameters

6 Spectrum sensing and cognitive radio

For the sensing feature to be activated, both the victim and interferer transmitters have to have...

Updated 2 months ago by ECO TECH

6.2 Simulating spectrum sensing

6 Spectrum sensing and cognitive radio

The manual sets out how SEAMCAT can be used for spectrum sensing where the interfering devices (I...

Updated 2 months ago by ECO TECH

6.1 Introduction

6 Spectrum sensing and cognitive radio

Cognitive radio is a technology which is being developed to bring greater efficiency, speed and r...

Updated 2 months ago by ECO TECH

5.4.4 Propagation Model

5 Generic module 5.4 Transmitter to Receiver Path

A suitable propagation model can be selected to be applied when calculating signal loss along the...

Updated 2 months ago by ECO TECH

5.4.3 Local environment

5 Generic module 5.4 Transmitter to Receiver Path

The percentage of transceivers being indoor and outdoor can be selected thanks to this panel. It ...

Updated 2 months ago by ECO TECH

5.4.2 Coverage radius

5 Generic module 5.4 Transmitter to Receiver Path

A coverage radius is calculated for both the victim link and the interfering link. It is the ...

Updated 2 months ago by ECO TECH

5.4.1 Relative location

5 Generic module 5.4 Transmitter to Receiver Path

When the Correlated distance option is checked, the positions of the receiver and transmitter a...

Updated 2 months ago by ECO TECH

Introduction

5 Generic module 5.4 Transmitter to Receiver Path

3 elements form the path between the VLR and the VLT or the ILR and ILT as illustrated in Figure ...

Updated 2 months ago by ECO TECH

5.3.5 Emission characteristics

5 Generic module 5.3 Transmitter

This panel consists in setting of the emission characteristics of your generic system.   Table ...

Updated 2 months ago by ECO TECH

5.3.4 Antenna patterns identification

5 Generic module 5.3 Transmitter

It contains all information relative to the antenna radiation pattern. It is similar to the recei...

Updated 2 months ago by ECO TECH