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The RAKE receiver exploits multipath channel characteristics and scrambling codes with good cross-correlation properties to realize a maximum ratio diversity combiner. Multipath propagation and the resulting channel impulse response)
Fig. 2 shows a typical baseband multipath channel transmission model for DS-CDMA on the uplink. The binary user and control data at the rate of R bits/s taking on values ±1 are multiplied by orthogonal channelization (OVSF) codes at the rate of SF×R chips/s where SF is the spreading factor. The spread user and control signals are I/Q-code multiplexed and then multiplied by a complex scrambling code which enables separation of separate mobile users at Node B. The scrambled signal goes through the multipath channel. The output of the multipath channel is distorted by additive white Gaussian noise (AWGN) and multiuser interference.
Factors Affecting Choice of Observation: Observers are influenced by a number of factors in the process of observation. Black and champion have identified three such factors.
Q. Data transmission in Bus Topology ? Bus Topology:This topology shares a single path or link way among all users. This common single path way is called bus. In this topology,
AC Link Chopper This copper has two stage conversion. First DC is converted into AC by the use of inverter. The magnitude of AC voltage is varied by the transformer and
how double diffraction occur at the surface
Q. Three identical impedances of 30 30° are connected in delta to a three-phase 173-V system by conductors that have impedances of 0.8 + j0.6 each. Compute the magnitude of the l
Find the resistance of 800 m of copper cable of cross-sectional area 20 mm . Take the resistivity of copper as 0.02 Ωm.
Q. emf produced by windings? The time variation of emf for a single conductor corresponds to the spatial variation of air-gap flux density. By suitable winding design, the harm
Q. Explain the drain and transfer characteristics of P-channel enhancement MOSFET. In p-channel enhancement MOSFET here is a n-type substrate and p doped regions under drain an
I need a project in visible light communication with matlab design.
Use of Monitoring and control in nuclear and chemical plants In nuclear and chemical plants, there is generally a combination of control and monitoring taking place. Informatio
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