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What is channel matrix?
A channel state matrix can provide the information needed to determine whether spatial multiplexing is possible for multilayer data transmission. Simple indicators for evaluating the mobile radio channel are derived from the channel matrix
Application of multiplexing in data communication?
application of multiplexing in data communication
What is the advantages of multiplexing?
Because, the higher the data rate, the more cost effective the transmission facility. That is, for a given application and over a given distance, the cost per kbps decline with an increase in the data rate of the transmission facility.
A form of transmission that allows multiple signals to travel simultaneously over one medium is known as?
A form of transmission that allows multiple signals to travel simultaneously over one medium is known as multiplexing
Which multiplexing technique transmits digital signal?
In analog transmission, signals are commonly multiplexed using frequency-division multiplexing (FDM)
What is spatial multiplexing in MIMO?
MIMO is generally used for enhancing data transmission capacity, where multiple antennas are used to send the data and the more antennas means the more data transfer speed. Suppose, you have 5 antennas in the transmitting side an 5 antennas in the receiving side and you have a data stream of 100 bits for transmission. If you use each antenna to send 20 bits each then it would take five times less to send all the data if you only used a single antenna. By the use of MIMO increasing the data transmission speed is known as spatial multiplexing.
What do you mean by multiplexing the bus?
If you have less no of data than the no of bits of data or address to b transfer Multiplexing mean to manage given busses in such a way that data or address can be transferred perfectly
Which form of multiplexing assigns codes to each transmission?
CDM
What is the application of multiplexing?
Data selection and routingControl sequencer
What is mean by orthogonal frequency code division multiplexing in wireless communication?
Orthogonal frequency division multiplexing is special case of frequency division multiplexing where a ling serial data streams are divided into parallel data streams and each data stream is multiplied either by orthogonal frequency or code. when multiplied by code known as frequency code division multiplexing and when multiplied by orthogonal frequency then know as orthogonal frequency division multiplexing
Why is it necessary to synchronize mutiplexer and demultiplexer in time division multiplexing?
It is necessary to synchronize the mutiplexer and demultiplexer in time division multiplexing because the multiplexor is encoding data onto the carrier at certain points in time. (This is why its called Time Division Multiplexing) The demultiplexor most know when the data of interest are present in the carrier, hence the need for synchronization. Note that there usually is a transmission delay between the multiplexor and demultiplexor. As a result, while the demultiplexor is in sync with the multiplexor, it is not necessarily in phase. The crucial point is that the data and clock be in sync and in phase at the demultiplexor.
What allows a single communications channel to carry data transmissions simultaneously from many sources?
A single communications channel can carry simultaneous data transmissions from multiple sources through techniques like multiplexing. Multiplexing divides the channel's bandwidth into multiple segments, allowing different signals to be sent concurrently without interference. Common methods include Time Division Multiplexing (TDM), where time slots are allocated to each source, and Frequency Division Multiplexing (FDM), which assigns different frequency bands to each signal. This efficient use of the channel's capacity maximizes data transmission while minimizing the risk of collisions.
