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Design a single mode fiber with V=2.3 for operation at 1.55 micro-meter with a fused silica core of RI 1.456 and a numerical aperture of 0.1
mobile communication updated 19 months ago by yashbeer ★ 11k
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List, separately, the various sources of random noise and impulse noise external to a receiver. How can some of them be avoided or minimized? What is the strongest source of extra-terrestrial noise?
mobile communication updated 2.2 years ago by binitamayekar ★ 6.4k
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Why is bandwidth and chip rates used in WCDMA and how they are compared with CDMA 1
mobile communication updated 2.2 years ago by sourav108555 • 550
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658
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3G CDMA evolutionary path.
mobile communication updated 2.3 years ago by pedsangini276 • 4.8k
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679
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With a neat diagram, explain forward CDMA channel
mobile communication updated 2.3 years ago by pedsangini276 • 4.8k
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462
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How is power control applied in forward CDMA channel?
mobile communication updated 2.3 years ago by pedsangini276 • 4.8k
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900
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Important Questions: Multiple Access Techniques
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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600
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Explain fading effects due to Doppler spread
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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800
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Multi antenna Techniques
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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580
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Cellular capacity and coverage improvement Techniques
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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649
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Elaborate the concept of MIMO technique in LTE
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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692
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Describe GSM frame structure
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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1.2k
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What is the role of GPRS in enhancing 2G GSM system
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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Describe the difference between service data units and protocol data units. How is mapping between one to other is done
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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Explain GSM architecture and elaborate the function of each block
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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Draw the diagram of LTE transmitter and receiver .Explain them in detail
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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Why are so many logical channels used in the GSM? Explain GSM channel Structure
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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708
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Draw neatly and explain the role played by various entities in GSM architecture
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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890
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Explain Handoff and power control in 3G systems
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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813
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Explain concept and importance of power control in CDMA.
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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Compare IS-95, WCDMA and CDMA2000 with respect to Channel bandwidth, chip rate, modulation schemes, data rate and Frame size.
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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1.1k
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Describe the frequency and channel specifications of forward channels in CDMA 1
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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629
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Explain W-CDMA Forward channel structure in detail
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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852
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What is the concept of software defined radio? Elaborate in detail.
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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While designing a cellular system how are co-channel adjacent channel interferences kept under control? What is the role of S/I ratio and Q in this?
mobile communication updated 2.4 years ago by teamques10 ★ 65k
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