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Statistical multiplexing is a type of communication link sharing, very similar to dynamic bandwidth allocation (DBA). In statistical multiplexing, a communication channel is divided into an arbitrary number of variable bitrate digital channels or data streams.
Multiplexing is provided by the physical layer of the OSI model, while multiple access also involves a media access control protocol, which is part of the data link layer. The Transport layer in the OSI model, as well as TCP/IP model, provides statistical multiplexing of several application layer data flows to/from the same computer.
Statistical time-division multiplexing multiple access is typically also based on time-domain multiplexing, but not in a cyclically repetitive frame structure. Due to its random character, it can be categorized as statistical multiplexing methods and capable of dynamic bandwidth allocation .
Multiplexing. Code-division multiplexing; Frequency-division multiplexing; Time-division multiplexing; Wavelength-division multiplexing; Statistical multiplexing; Charlieplexing; Priority encoder; Rule 184, a cellular automaton in which each cell acts as a multiplexer for the values from the two adjacent cells; Statistical multiplexer; Ternary ...
The capacity of a multiplex depends on several factors, including the video resolution and broadcast quality, compression method, bitrate permitted by the transmission standard, and allocated bandwidth; statistical time-division multiplexing is often used to dynamically allocate bandwidth in accordance with the needs of each individual service.
Time-division multiplexing (TDM) is a method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time according to agreed rules, e.g. with each transmitter working in turn.
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Statistical multiplexing is often used to allow more television services to fit into a single satellite channel. Statistical multiplexing works best when many television channels can share bandwidth. With UHDTV services, it may be possible to fit only 3 services in a single satellite channel, which reduces the effectiveness of statistical ...