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Könyv Red Rocket Readers Pam Holden

Red Rocket Readers

Pre-Reading Fiction Set B: Paint a Picture

Szerző: Pam Holden
Nyelv: Angol
Kötés: Puha kötésű
Kiadó: Flying Start Books Ltd
Elérhetőség: 50 % esély
Keressük az egész világon
3 114 Ft
Next generation of mobile communication systems' goal is to impeccably integrate an extensive variet...

Információk a könyvről

Szerző
Pam Holden
Nyelv
Angol
Kötés
Könyv - Puha kötésű
Kiadva
2005
oldal
16
EAN
9781877363900
ISBN
1877363901
Enbook ID
09295268
Kiadó
Flying Start Books Ltd
Súly
44
Méretek
201 x 151 x 5

Teljes leírás

Next generation of mobile communication systems' goal is to impeccably integrate an extensive variety of communication services such as high speed data, video and multimedia traffic on top of voice signals. The purpose of this work is to assemble realistic communication systems based on Software Defined Radio kits. Two projects were implemented using the Ettus Universal Radio Peripheral (USRP); an Orthogonal Frequency Division Multiplexing (OFDM) communication system and a GSM Base Transceiver Station (BTS). The reliability and performance of the implemented OFDM system was deliberated by modeling a number of factors such as different operating frequencies, various distances and gains. Several Bit Error Rate (BER) and power level graphs were demonstrated. For GSM BTS emulation, successful call between two phones was brought to life in the new network created by the base station, furthermore, a jamming experiment was employed to deteriorate or even drop a call. Aside from these two practical applications, a Partial Transmit Sequence based OFDM system was implemented to significantly reduce the Peak-To-Average Power Ratio. Different encoding algorithms were used to decrease the BER.

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