What is the frequency reuse factor in CDMA?

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What is the frequency reuse factor in CDMA?

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Posted Date:-2022-05-01 11:23:19

More MCQS Questions and answers

  1. In CDMA, the pseudo-random code must have the following property
  2. In CDMA, the system uses ______for the Forward and Reverse links
  3. In general, Spread Spectrum communications are distinguished by which of these elements?
  4. Maximum capacity is achieved when Eb/No of every user is at the ____________ level needed for the acceptable channel performance.
  5. One bit of the PN code is called
  6. The signal is transmitted in short bursts pseudo-randomly, and the receiver knows beforehand when to expect the burst. Which type of spread spectrum is this?
  7. What will be the correlation of two codes, if the two codes are identical?
  8. Which of these signaling is used for the PSTN network interface
  9. Which of this Controls FSU power during the call?
  10. Which of this is not a call set up the channel?
  11. Which of this is the way to spread the bandwidth of the signal
  12. ___________ is the constant change of the range of the geographical area covered by a cellular telephone transmitter based on the amount of traffic currently using that transmitter.
  13. _________is considered when two cells (or sectors) of the same site are involved
  14. A 6-sector cell would have a ___________capacity than a 3-sector cell.
  15. Capacity is_____________proportional to the required Eb/No of the system.
  16. CDMA technology is inherently resistant to
  17. Channels used for the call is called
  18. Eb/No is measured at the _______________and is used as the basic measure of how strong the signal is.
  19. Eb/No is the measure of __________________ for a digital communication system
  20. How many traffic channels are there in each FSU?
  21. If a system requires 4 kHz of bandwidth to continuously send 8000 binary digits/sec, the bandwidth efficiency will be _______
  22. In CDMA, Reduction of co-channel interference due to processing gain allows frequency reuse factor of ________.
  23. In CDMA, the bit rate of the digital data is called
  24. Sectorization Reduces Interference and adds a Gain to the system which is called _______________
  25. Spatial filtering, such as vectorization, ______________system capacity.
  26. The bit rate of the PN code is called
  27. The capacity of CDMA cell depends on
  28. The digital data is directly coded at a much higher frequency. The code is generated pseudo-randomly, the receiver knows how to generate the same code, and correlates the received signal with that code to extract the data. Which type of spread spectrum is this?
  29. The epoch must be _________ the round trip propagation delay A. B. longer than C. equal to
  30. The length of time before the code starts repeating itself (the period of the code) is called
  31. The ratio of the number of erroneous frames received to the total number of a frame received for a defined period of time is called the _____________.
  32. The spreading bandwidth for the CDMA environment is 1.23 MHz. The voice activity factor is assumed to be _____________.
  33. The subscriber unit correctly generates its own matching code and uses it to extract the appropriate signals. Each subscriber uses
  34. The system is equipped with _________________ for data service.
  35. Total Interfering Power from all Directions/ Perceived Interference Power by the sector antenna is called ____________.
  36. What is the data rate for Adaptive Differential Pulse Code Modulation (ADPCM)
  37. What is the data rate for Low Delay Code Excited Linear Prediction (LD-CELP)?
  38. What is the frequency reuse factor in CDMA?
  39. What will be the path loss in dB for an open-air site?
  40. What will be the required transmitter power, in the above example? (fade margin=30dB)
  41. What will be the required transmitter power, in the above example? (fade margin=30dB)
  42. When a cell becomes heavily loaded, it __________.
  43. Which of this channel is unidirectional?
  44. Which of this channel is unidirectional?
  45. Which of this is a parameter which is used by CDMA networks to implement power allocation techniques for controlling the amount of power used by a base station and a mobile in transmitting and/or receiving communication signals?
  46. Which of this is an Assigned Channel?
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