Publication

MAC layer functions for SLEF

2006
Student Projects

Abstract

We develop three functions around the MAC layer: (1) Pseudo broadcast is a technique used to improve throughput of broadcast transmissions in case of congested networks. The mechanism consists in sending a packet in unicast to a station using RTS/CTS. Other stations will receive the packet by capturing all the frames that are transmitted on the network, even if they are not directed to them. (2) The injection rate of packets in the MAC layer has to be controlled. The application must not be allowed to deliver to the MAC layer more packets than the number that can be sent by the network adapter. It is also necessary to know the nominal rate of the network. (3) An indication of activity on the network has to be provided. This function has to detect the activity of other SLEF stations in the neighborhood. The address of the last transmitting station and the time of transmission have to be provided. The implementation is carried out using JAVA and native native code and it is portable across all operating systems and wireless cards.

Official source

https://infoscience.epfl.ch/entities/publication/d5698497-5a4e-4823-aea2-a6a73e09b41a

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2006
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/d5698497-5a4e-4823-aea2-a6a73e09b41a

About this result

Related concepts (32)

Network packet

In telecommunications and computer networking, a network packet is a formatted unit of data carried by a packet-switched network. A packet consists of control information and user data; the latter is also known as the payload. Control information provides data for delivering the payload (e.g., source and destination network addresses, error detection codes, or sequencing information). Typically, control information is found in packet headers and trailers.

MAC address

A media access control address (MAC address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use is common in most IEEE 802 networking technologies, including Ethernet, Wi-Fi, and Bluetooth. Within the Open Systems Interconnection (OSI) network model, MAC addresses are used in the medium access control protocol sublayer of the data link layer.

Computer network

A computer network is a set of computers sharing resources located on or provided by network nodes. Computers use common communication protocols over digital interconnections to communicate with each other. These interconnections are made up of telecommunication network technologies based on physically wired, optical, and wireless radio-frequency methods that may be arranged in a variety of network topologies. The nodes of a computer network can include personal computers, servers, networking hardware, or other specialized or general-purpose hosts.

Related publications (32)

MAC layer functions for SLEF

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