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Carte Red Rocket Readers Pam Holden

Red Rocket Readers

Pre-Reading Fiction Set B: Paint a Picture

Autor: Pam Holden
Limbă: engleză
Legare: Carte broșată
Editura: Flying Start Books Ltd
Disponibilitate: șansă 50%
Şanse de a obține acest titlu
44.65 lei
Next generation of mobile communication systems' goal is to impeccably integrate an extensive variet...

Informații despre carte

Autor
Pam Holden
Limbă
engleză
Legare
Carte - Carte broșată
Publicat
2005
Pagini
16
EAN
9781877363900
ISBN
1877363901
Enbook ID
09295268
Editura
Flying Start Books Ltd
Greutate
44
Dimensiuni
201 x 151 x 5

Descriere completă

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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