contention channel access

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• Channel access method — In telecommunications and computer networks, a channel access method or multiple access method allows several terminals connected to the same multi point transmission medium to transmit over it and to share its capacity. Examples of shared… …   Wikipedia

• Enhanced Distributed Channel Access Function — (EDCAF) est un protocole d accès au medium utilisé dans la norme IEEE 802.11e qui permet de faire de la qualité de service sur Wi Fi. Il gère les accès avec contention, par opposition au protocole HCF, qui gère les accès par invitation (polling) …   Wikipédia en Français

• Contention — may refer to: The main contention, in rhetoric, the main point being argued Resource contention, a general concept in communications and computing, is competition by users of a system for the facility at the same time: Contention… …   Wikipedia

• Contention (telecommunications) — In packet mode communication networks, contention is a media access method that is used to share a broadcast medium.[1] Contents 1 Collision detection and recovery 2 Collision avoidance 3 Common examples …   Wikipedia

• Contention based protocol — A contention based protocol (CBP) is a communications protocol for operating wireless telecommunication equipment that allows many users to use the same radio channel without pre coordination. The listen before talk operating procedure in IEEE… …   Wikipedia

• Contention-based protocol — A contention based protocol (CBP) is a communications protocol for operating wireless telecommunication equipment that allows many users to use the same radio channel without pre coordination. The listen before talk operating procedure in IEEE… …   Wikipedia

• contention —    The competition between transmitting nodes for access to communications lines or network resources. The first device to gain access to a channel takes control of the channel. In the event of a collision, when two nodes attempt to transmit at… …   Dictionary of networking

• Media access control — The OSI model 7 Application layer 6 Presentation layer 5 Session layer 4 Transport layer 3 Network layer 2 …   Wikipedia

• Media Access Control — The Media Access Control (MAC) data communication protocol sub layer, also known as the Medium Access Control, is a sublayer of the Data Link Layer specified in the seven layer OSI model (layer 2). It provides addressing and channel access… …   Wikipedia

• Time division multiple access — This article is about the channel access method. The name TDMA is also commonly used in the United States to refer to Digital AMPS, which is an obsolete mobile telephone standard that uses TDMA to control channel access. Time division multiple… …   Wikipedia

• Orthogonal frequency-division multiple access — Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial multiplexing (MIMO) …   Wikipedia