Radio and Optical Communication Systems - Time Division Multiple Access - Engineering Assignment Help

Assignment Task :

1. a) Two Time Division Multiple Access (TDMA) techniques for satellite  communication systems are described in Table 1. 

Critically compare these two systems in terms of revenue and performance  with appropriate justification.  

b) Discuss in detail, suitable mechanisms that can be used to efficiently provide  services to a group of pay per view television subscribers simultaneously using  satellite networks. Your answer must provide details of the protocols involved.

2. a) Satellite networks can be a complementary component of next generation  cellular communication networks such as 5G. Discuss benefits and possible  architectures to enable integration of satellite communication into terrestrial cellular infrastructure. 

b) Country A is in the northern hemisphere and this country require satellite  coverage. A satellite operator has two orbiting satellites on highly elliptical  orbits that can provide coverage for this country with the characteristics  detailed in table 2. 

3. a) Energy efficiency is an important consideration in radio frequency amplifier  designs. Discuss the main source of efficiency degradation in amplifier designs  for current wireless communication equipment employing multicarrier  modulation schemes highlighting a technique to mitigate this.  

b) A company required to design a backhaul link for a cellular system at 3.65 GHz connecting two base stations separated by 35 km. The link required to operate  at 500 MBits/s with a maximum Bit Error Rate (BER) of 10-4 using a particular  modulation scheme. This modulation scheme can achieve a BER of 10-4 with  20 dB energy per bit to noise spectral density ratio. Assuming the links are  formulated with the following equipment: 

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