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Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
Problem 1: (a) Briefly explain each of the following wireless standards: (i) WiFi (ii) WiMAX (iii) 3G. Problem 2: (b) Bluetooth is an industrial specific
What is the function of the OSI Session Layer? This layer gives the protocols and means for two devices on the network to communicate with each other by holding a session. Thi
how does the near/far effects infulence TDMA system?what happen CDMA system? what are countermeasures in TDMA system/
Assume a network as depicted below with a home agent (HA), a foreign agent (FA), a mobile host (MH), and a remote host (RH). The dotted box is the home location of MH. Assume MH's
Q. Advantages of Fiber Optics? - Higher bandwidth in comparison to twisted-pair and coaxial cable is not limited by medium but by equipment used to generate and receive signals
Simplicity The advantage of this approach is the simplicity of receiver buffering. The receiver need not buffer out of order packets the sender must maintain the upper an
Two hosts are connected by a path made of four links as shown in the figure below. The links are of data rate R = 2 Mbps each. Host A has a file of size F = 1,000,000 bytes to tran
IEEE 802.3 frame format
When the signal hits to each other, collision accord.
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