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In telecommunications and computer networks, a channel access method or multiple access method allows more than two terminals connected to the same transmission medium to transmit over it and to share its capacity. [1] Examples of shared physical media are wireless networks, bus networks, ring networks and point-to-point links operating in half ...
On a local area network, token passing is a channel access method where a packet called a token is passed between nodes to authorize that node to communicate. [1] [2] [3] In contrast to polling access methods, there is no pre-defined "master" node. [4]
Collisions are a condition that arises when two or more data stations attempt to transmit at the same time over a shared channel, or when two data stations attempt to transmit at the same time in a half duplex communication link. A contention-based channel access (multiple access) protocol is a protocol where data packet collisions may occur ...
This token passing is a channel access method providing fair access for all stations, and eliminating the collisions of contention-based access methods. Token Ring was a successful technology, particularly in corporate environments, but was gradually eclipsed by the later versions of Ethernet. Gigabit Token Ring was standardized in 2001. [1]
Time-division multiple access (TDMA) is a channel access method for shared-medium networks. It allows several users to share the same frequency channel by dividing the signal into different time slots. [1] The users transmit in rapid succession, one after the other, each using its own time slot.
Self-organized time-division multiple access (STDMA or SOTDMA) is a channel access method designed by Håkan Lans, [1] based on time-division multiplexing.. The term "self-organized" describes the manner in which time slots are assigned to users.
Pages in category "Channel access methods" The following 22 pages are in this category, out of 22 total. This list may not reflect recent changes. ...
Frequency-division multiple access (FDMA) is a channel access method used in some multiple-access protocols. FDMA allows multiple users to send data through a single communication channel, such as a coaxial cable or microwave beam, by dividing the bandwidth of the channel into separate non-overlapping frequency sub-channels and allocating each sub-channel to a separate user.