Which of the following multiple access techniques are used by second generation cellular systems? a) FDMA/FDD and TDMA/FDD b) TDMA/FDD and CDMA/FDD
Q: 4. Consider TDMA/TDD GSM system that uses 25MHZ for uplink and downlink transmission, which is…
A: We need to find out number of user for given system
Q: Division multiple access (FDMA) and Time Division Multiple Access (TDMA) vs a Demand assigned…
A: Frequency division multiple access (FDMA) is a method that separates channels by frequency. So if…
Q: In VHDL, sequential statements, Select one: Агe defined in a. the process. b. None of the above. С.…
A: VHDL has two domains. 1. sequential domain 2. concurrent domain.
Q: C. P - P. + USB + LSB eq 1 P, = USB + LSB eq 2 After analyzing a modulation scheme, the above two…
A: We need to tell about power in amplitude modulation and DSB SC modulation.
Q: Q/ Represents the PCM code [10001100101] in 1- Alternate Mark Inversion(AMI) 2-…
A: Solution- The given PCM code is, [10001100101]
Q: A TDMA system uses 25 MHz for the forward link, which is broken into radio channels of 200 kHz. If 8…
A: Given: TDMA system uses a total of 25 MHz bandwidth for the forward link. It is broken up into radio…
Q: Suggest 3 advantages of the Routh-Hurwitz criteria.
A:
Q: Which of the statement is false for the Out-Of-Band signalling? O It is having high speed data links…
A: To find out the false statement
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A: Avalanche photo diode (APD) are high sensitivity, high speed semi-conductor light sensors. Of the…
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Q: Using the line coding techniques, draw the waveform of the data 01001100011 In RZ, Bipolar AMI…
A: The solution is given below
Q: Q2: For the following digital sequences sketch the line codes e.g. polar, unipolar, bipolar and…
A: Given bit sequence: 10100110 Polar line coding is categorised into two unipolar and bipolar. For…
Q: (h) Explain how the multiuser interference could arise in 1) a time-division multiple access (TDMA)…
A: According to the question, we need to explain the TDMA, and FDMA
Q: Z1 A16 A Yo O + ROMCS* RAMCS Y,O Y2 O A17 + RESM* 22 Y3 23 24 A Yo O YO PIACS Y2 O Y3 O A6 RESP* A7…
A: the access time of the devices on the asynchronous bus must be atmost,
Q: 1. Explain briefly about requirements of LTE. 2. describe the challenges of OFDM-MIMO in LTE
A: 1) LTE stands for Long Term Evolution. It deals with the development of a high performance air…
Q: How FM signals are generated by Amstrong method. support your arguments with proper mathematical…
A: The indirect method of FM generation is Armstrong method. In this, the FM is obtained through phase…
Q: Q3) Draw a block diagram of a SSB-SC receiver. Then derive in details the S/N ratio at the output of…
A: SSB SC refers to single side band suppressed carrier modulation is a type of modulation used for the…
Q: B. Why VSB modulation is used in TV picture transmission?
A:
Q: For the source coding Explain the difference between variable length and fixed length source coding?
A:
Q: Example 6 Four channels are multiplexed using TDM. If each channel sends 100 bytes/s and we…
A: Given here a TDM Based question and asked to fine the frame size, duration of the frame, frame rate,…
Q: This AMD socket uses a land grid array instead of a pin grid array to avoid the need for one?
A: The power system has to transmit power from the generation side to the load side. For this, a…
Q: How TDM differ from FDM?
A: TDM (Time division multiplexing) differ from FDM (Frequency division multiplexing) in following…
Q: Compute the BER of an OFDM MIMO wireless communication system with L = 256 channel taps and N = 256…
A:
Q: In an FDMA-based multiple access system, each user is assigned an 80 kHz channel for full-duplex…
A:
Q: Using Verilog continuous assignment statements or VHDL signal assignment statements, write a…
A: The given logic is:
Q: Solve for IDQ and VDS
A: In this question, We need to determine the drain current and voltage VDS ?
Q: F(A, B, C, D) = Σm(2,7,8,9,13,14) implement the following function F by using one 8-to-1…
A:
Q: To avoid using a pin grid array, which AMD socket makes use of a land grid array?
A:
Q: Implement 8-bit asynchronous ripple counter and showing truth table, timing diagram. Also show how…
A: According to the question, we need to implement an 8-bit asynchronous ripple counter and showing the…
Q: 4. The frequency response of a stable LTI system is known to be real and even. Is the inverse system…
A: The frequency response of an LTI system is real and even, it depends on the parameters of the system…
Q: Explain each of the following topics: II. Describe cellular standards and systems (FDMA, TDMA,…
A: FDMA : It is known as frequency division multiple access it is the process of the frequency band…
Q: For the block diagram shown below, find the difference equation of the LTI system. 2
A:
Q: a) Find R, for On-off, Polar and Bipolar signaling schemes. b) For Line codes, why do we find the…
A: b) PSD feature is helpful technique in case one need to describe oscillatory signals in your time…
Q: Coupling of AC signals in amplifiers is achieved by capacitors. [True / False]
A: In order to provide AC signals to amplifier, we need coupling.
Q: Construct 16-to-1 line multiplexer using 4-to-1 line multiplexer.
A: A 4-to-1 multiplexer has four input lines and one output line. The output line is connected to one…
Q: A CB radio was developed using A3E AM. It operates using 60 channels, each 5 kHz wide. When J3E is…
A: A radio is operating with AM. It operates using 60 channels, each 5 kHz wide. When SSB is used then…
Q: The modulation index units in AM is measured in volts since it is amplitude based, while the…
A: Modulation index in amplitude modulation can be found by taking the ratio of amplitude of modulating…
Q: Suggest 3 advantages of the Routh-Hurwitz criteria
A: Given We need to suggest any three advantages of Routh -Hurwitz criteria.
Q: Q2) Design the following function: F (w, x, y, z) E(0, 3, 4, ,9, 11, 12, 14, 15) using multiplexer…
A:
Q: (b) In a particular implementation of ADSL2+, 400 downstream subchannels are being used to achieve a…
A:
Q: 7. A CDMA receiver gets the following chips: (-1 +1 -3 +1 -1 -3 +1+1). Assuming the chip sequences…
A: Given information: The CDMA receiver receives the following chips: -1+1-3+1-1-3+1+1
Q: A typical satellite communication system consists of an earth station transmitter, a satellite…
A: Uplink in a satellite communication system can be described as the transmission of signal to the…
Q: Compare the DSB-LC, DSB-SC and SSB amplitude modulation techniques with each other in terms
A: DSB-LC is a Double Sideband Large Carrier which is the same as Normal Amplitude Modulation as it is…
Q: In an FDMA-based multiple access system, each user is assigned an 80 kHz channel for full-duplex…
A:
Q: b) If quantity A is PATAT with TC of 2mV/C, and quantity B is CTAT with TC of -1mVrC, then determine…
A: A reference circuit of voltage that is temperature independent is known as a bandgap reference…
Q: 1) Which multiplexing technique shifts each signal to a different carrier frequency? a) FDM b) TDM…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: What is the principle of FDM site your references
A: According to the question, we need to discuss the principle of FDM.
Q: What are the uplink and downlink bands for GSM 900
A: The uplink frequency band is used to transfer information from the mobile station (MS) to the base…
Q: Which modulation technique is used by GSM? a) GMSK b) BPSK c) QPSK d) GESK
A: The solution is provided in the following section:
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- describe how TDM works?7. Describe the operation principle of the MOSFETS-based digital gate shown in Figure 3. In your answer, explain the need to use n-channel and p-channel MOSFETS for such digital gates. VDD Figure 3 8. A particular optical waveguide is made from silicon with an air upper cladding and oxide lower cladding. The measured effective index of the waveguide at 1300 nm is 2.2 and the measured effective index at 1550 nm is 2.0. (a) Assuming a linear relationship between wavelength and effective index in the form ofAs compared to N-channel MOS switch, the P-channel MOS switch has _____. a.more ON resistance b.equal ON resistance c.either 'a' or 'b d.less ON resistance
- Question: For a 3-phase bridge inverter in 180° conduction mode, for the basic circuit, the sequence of SCR conduction in the first two steps, beginning with the initiation of thyristor '1' is Option 1: 2,3,1 and 3,4,5 Option 2: 6,1,2 and 2,3,1 Option 3: 5,6,1 and 6,1,2 Option 4: 3,4,5 and 5,6,13) Pina the . OTFT of ) x(n)= a pmd13. Which of the following is the basis for cellular systems employing the code-division multiple access (CDMA) standard?A. COFDMB. QPSKC. OFDMD. DSSS
- Question 5: a) In the context of WCDMA, answer the following questions: What is the chip rate of WCDMA? i. ii. What is the duration for WCDMA frame? iii. For the figure shown below, what is the spreading factor? Symbol iv. V. vi. vii. Data Spreading code Spread signal Datax code Spreading What is the corresponding processing gain? For the figure shown below, what is the multiplexing mode used? Uplink Downlink Frequency Time WCDMA has a frequency reuse of 1 between different cells. What does that mean? If fast fading occurs when the path difference between two received signals is half wavelength. Calculate the path difference at a frequency equals to 2 GHz.Homework 8 (1) A two-level VSC with the switching frequency 6kHz, the AC line frequency is 60Hz, find the two lowest frequency harmonics. (2)An MMC circuit with 201 units in each arms, find the levels for phase output voltage and line output voltage. (3)Make comparison of the properties of VSC and LCC as inverters.Compare FDMA and OFDMA?