Spread Spectrum MCQ (Multiple Choice Questions) PDF Download

A pseudorandom code generator that creates a K-bit pattern for every hopping period is known as

1. hopping
2. carrier signals
3. frequency synthesizer
4. pseudorandom noise

In Frequency Hopping Spread Spectrum (FHSS), the sender and receiver can have privacy if the hopping period is

1. short
2. long
3. zero
4. infinity

Institute of Electrical and Electronics Engineers (IEEE) 802.11 Direct Sequence Spread Spectrum (DSSS) uses the data rate of

1. 1 or 2 Mbps
2. 6 to 54 Mbps
3. 5.5 and 11 Mbps
4. 2 and 54 Mbps

Direct Sequence Spread Spectrum (DSSS) technique expands the bandwidth of a signal by replacing each data bit with

1. n+1 bits
2. n-1 bits
3. n bits
4. nx1 bits

What is the minimum number of bits in a PN sequence if we use Frequency Hopping Spread Spectrum (FHSS) with a channel bandwidth of B =4 KHz and Bss =100 kHz?

1. 0 bits
2. 5 bits
3. 10 bits
4. 15 bits