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Computer network multiple access method
Carrier-sense multiple access with collision avoidance (CSMA/CA) in computer networking, is a link layer multiple access method in which carrier sensing
Carrier-sense multiple access with collision avoidance
Carrier-sense_multiple_access_with_collision_avoidance
Slotted medium access control protocol widely used in ad hoc networks
Multiple Access with Collision Avoidance for Wireless (MACAW) is a slotted medium access control (MAC) protocol widely used in ad hoc networks. Furthermore
Multiple Access with Collision Avoidance for Wireless
Multiple_Access_with_Collision_Avoidance_for_Wireless
Multiple access with collision avoidance (MACA) is a slotted media access control protocol used in wireless LAN data transmission to avoid collisions
Multiple access with collision avoidance
Multiple_access_with_collision_avoidance
Means for multiple terminals to communicate over one medium
channel access methods resolve the collision issue through collision avoidance and the starvation through fairness. Several ways of categorizing multiple-access
Channel_access_method
Media access control method used most notably in early Ethernet
Carrier-sense multiple access with collision detection (CSMA/CD) is a medium access control (MAC) method used most notably in early Ethernet technology
Carrier-sense multiple access with collision detection
Carrier-sense_multiple_access_with_collision_detection
Method to avoid network resource contention
such as Carrier Sense Multiple Access with Collision Detection (CSMA/CD) and Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA). CSMA/CD is
Collision avoidance (networking)
Collision_avoidance_(networking)
refer to: Collision domain, a physical network segment where data packets can "collide" Carrier-sense multiple access with collision avoidance, (CSMA/CA)
Collision (telecommunications)
Collision_(telecommunications)
Channel access method
networking, carrier-sense multiple access with collision avoidance and resolution using priorities (CSMA/CARP) is a channel access method. CSMA/CARP is similar
Carrier-sense multiple access with collision avoidance and resolution using priorities
Carrier-sense_multiple_access_with_collision_avoidance_and_resolution_using_priorities
Rate-seeking algorithm
carrier-sense multiple access with collision avoidance (CSMA/CA) and carrier-sense multiple access with collision detection (CSMA/CD) networks, where
Exponential_backoff
Computer network protocol
to implement virtual carrier sensing in carrier sense multiple access with collision avoidance (CSMA/CA). By default, 802.11 relies on physical carrier
IEEE_802.11_RTS/CTS
System allowing transmitters to take turns on a shared media
Variations on basic CSMA include addition of collision-avoidance (CSMA/CA), collision-detection (CSMA/CD) and collision-resolution techniques. Variations of CSMA
Carrier-sense_multiple_access
Network segment where collisions between simultaneous transmissions are possible
other's transmissions, but they cause a collision at the receiver between them. Multiple Access with Collision Avoidance for Wireless is one such approach used
Collision_domain
Family of wireless network protocols
carrier-sense multiple access with collision avoidance (CSMA/CA) governs the way stations share channels. With CSMA/CA stations attempt to avoid collisions by beginning
Wi-Fi
Topics referred to by the same term
refer to: Macaw palm, Acrocomia aculeata, a palm tree Multiple Access with Collision Avoidance for Wireless (MACAW) Macau (disambiguation) McCaw (surname)
Macaw_(disambiguation)
Condition where multiple devices on a computer bus attempt to use it at the same time
but use some protocol (such as Multiple Access with Collision Avoidance, carrier-sense multiple access with collision detection, or automatic repeat request)
Bus_contention
Aircraft collision avoidance system
collision avoidance system (TCAS; /ˈtiːkæs/ TEE-kas), also called an airborne collision avoidance system (ACAS), is an aircraft collision avoidance system
Traffic collision avoidance system
Traffic_collision_avoidance_system
Computer network that links devices using wireless communication within a limited area
11 defines the PHY and medium access control (MAC) layers based on carrier-sense multiple access with collision avoidance (CSMA/CA). This is in contrast
Wireless_LAN
802.11 RTS/CTS Multiple Access with Collision Avoidance for Wireless (MACAW) Bharghavan; et al. (1994-10-01). "MACAW: A Media Access Protocol for Wireless
Exposed_node_problem
Fundamental medium access control technique of Wi-Fi and WLAN
access control (MAC) technique of the IEEE 802.11-based WLAN standard (including Wi-Fi). DCF employs a carrier-sense multiple access with collision avoidance
Distributed coordination function
Distributed_coordination_function
Communications technology
terminals in the network. The basic media access methods are Carrier-Sense Multiple Access with Collision Avoidance (CSMA/CA) and Dynamic Virtual Token Passing
Nessum
Wireless network standard
protocol. The 802.11 protocol family employs carrier-sense multiple access with collision avoidance (CSMA/CA) whereby equipment listens to a channel for other
IEEE_802.11
Carrier-sense multiple access - Carrier-sense multiple access with collision detection - Carrier-sense multiple access with collision avoidance - CDDB - Content-control
Index of Internet-related articles
Index_of_Internet-related_articles
Multi-user version of OFDM digital modulation
users Shorter delay and constant delay Contention-based multiple access (collision avoidance) is simplified. Further improves OFDM robustness to fading
Orthogonal frequency-division multiple access
Orthogonal_frequency-division_multiple_access
Topics referred to by the same term
Mongol-American Cultural Association 5228 Máca, a minor planet Multiple Access with Collision Avoidance, a wireless LAN protocol Military aid to the civil authorities
MACA
Decentralized wireless network
resources is significantly improved compared to carrier-sense multiple access with collision avoidance (CSMA/CA). This improvement is due to the fact that an
Evolved wireless ad hoc network
Evolved_wireless_ad_hoc_network
Low-power, low-bandwidth wireless mesh network
the media access control portion of the data link layer. The basic channel access mode is carrier-sense multiple access with collision avoidance (CSMA/CA)
Zigbee
Channel access method
protocols are: The Aloha protocol Carrier Sense Multiple Access (CSMA) Multiple Access with Collision Avoidance In telecommunication, the term contention also
Contention (telecommunications)
Contention_(telecommunications)
Power line communications specifications
The HomePlug 1.0 MAC Layer uses channel access based on Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) to transport data from 46 to 1500
HomePlug
mandatory 802.11 algorithm for carrier-sense multiple access with collision avoidance (CSMA/CA), the access point must wait if a client device is sending
Traffic_indication_map
Problem in wireless networking
RTS/CTS) is implemented at the AP in conjunction with the Carrier sense multiple access with collision avoidance (CSMA/CA) scheme. The same problem exists in
Hidden_node_problem
In computing, a conflict over access to a shared resource
socket connection.[citation needed] Bus contention Cache coherence Collision avoidance (networking) Resource allocation Knauerhase, Rob (2008). "Using OS
Resource_contention
Wireless networking standard
original standard also defines carrier sense multiple access with collision avoidance (CSMA/CA) as the medium access method. A significant percentage of the
IEEE_802.11_(legacy_mode)
Theoretical satellite collision cascade
underscores the critical need for effective space traffic management and collision avoidance strategies to ensure the long-term viability of space exploration
Kessler_syndrome
Incident when a vehicle collides with another object
A traffic collision, also known as a motor vehicle collision or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road
Traffic_collision
include in-vehicle internet access, dynamic navigation, safety warnings, collision avoidance, and ad hoc networks linking multiple vehicles. The CALM architecture
Communications Access for Land Mobiles
Communications_Access_for_Land_Mobiles
Tracking system using transceivers on ships
broadcast (one sender to every interested receiver) and multiple access (collision avoidance) is handled with SOTDMA. The AIS standard comprises several substandards
Automatic identification system
Automatic_identification_system
OSI model layer for node-to-node data transfer
contending for access to a medium, without concern for their ultimate destination. When devices attempt to use a medium simultaneously, frame collisions occur
Data_link_layer
Network medium access control protocol
11p, by introducing the determinism which carrier sense multiple access with collision avoidance (CSMA/CA) lacks. In vehicle networks the connection set-up
Mobile_Slotted_Aloha
Ethernet standard
360-degree surround view parking assistance, rear-view cameras and collision avoidance systems) and comfort and infotainment features. The automotive-qualified
BroadR-Reach
Italian ocean liner that sank in 1956
immediately after the collision. "...In maritime navigation, all collision avoidance manoeuvres are made based on the Collision Regulations COLREG. Although
SS_Andrea_Doria
South Korean space company
including the following: AstroOne, a conjunction assessment, and optimal collision avoidance service for all space vehicles in both orbital and non-orbital motions
SPACEMAP
Gigabit passive optical network system
using OS2 cable with SC/APC connectors. GPON systems require precise timing and clock synchronization to ensure collision-avoidance in upstream transmission
GPON
Wireless internet protocol
wireless communication, particularly across the IoT applications, collision avoidance is essential for reliable communication and overall spectral efficiency
LoRaWAN
1971 mid-air collision over California
low-altitude aircraft operation in civilian air corridors, consider collision avoidance technologies on military aircraft, and make military pilots aware
Hughes_Airwest_Flight_706
American computer scientist
such as the Traffic Collision Avoidance System (TCAS) for the avoidance of midair collisions between aircraft and problems with the Therac-25 radiation
Nancy_Leveson
Traffic light override system
public transportation priority access through intersections, and by railroad systems at crossings to prevent collisions. Traffic preemption is implemented
Traffic_signal_preemption
Aircraft surveillance technology
and avoid conflict with an aircraft equipped with ADS-B Out. With past systems such as the Traffic alert and Collision Avoidance System (TCAS) aircraft
Automatic Dependent Surveillance–Broadcast
Automatic_Dependent_Surveillance–Broadcast
Networking protocol sublayer
short distance or together with coarse wavelength division multiplexing on long distance fiber (-LR). PHY-Level Collision Avoidance Spurgeon, Charles (2014)
Physical_coding_sublayer
Standard formats of pulsed sequences for aviation transponders
radars in busy areas) and to allow automatic collision avoidance. Mode S transponders are compatible with Mode A and Mode C Secondary Surveillance Radar
Aviation transponder interrogation modes
Aviation_transponder_interrogation_modes
Standard for serial communication between devices without host computer
trigger the rear windscreen wiper when reversing. Auto lane assist/collision avoidance systems: The inputs from the parking sensors are also used by the
CAN_bus
of the New Car Assessment Program to include testing of forward collision avoidance systems; determining if "the ability to operate [Tesla Autopilot-equipped
List of Tesla Autopilot crashes
List_of_Tesla_Autopilot_crashes
European Space Agency program
perform collision avoidance manoeuvres, as well as developing a system of automated collision avoidance. The space debris office also works with the international
Space_Safety_Programme
Pollution around Earth by defunct artificial objects
rotation rate. Satellites sometimes[clarification needed] perform Collision Avoidance Maneuvers and satellite operators may monitor space debris as part
Space_debris
Astrodynamics computer program
communications systems, radar, interplanetary missions and orbit collision avoidance. The addition of 3D viewing capabilities led to the adoption of the
Systems_Tool_Kit
Vehicle operated with reduced or no human input on public roads
published. In April 2022, collision avoidance testing was demonstrated by Nissan. Waymo published a document about collision avoidance testing in December 2022
Self-driving_car
Very low energy, short range radio precise positioning
environments, where the technology's precision supports real-time collision avoidance without line-of-sight dependency. Ultra-wideband gained widespread
Ultra-wideband
Collision between a vehicle and a bird
also used for bird deaths resulting from collisions with highrise buildings, towers (see bird–skyscraper collisions and towerkill) and tall structures such
Bird_strike
Technique to suspend transmission to avoid congestion
PHY-Level Collision Avoidance IEEE Standards for Local and Metropolitan Area Networks: Supplements to Carrier Sense Multiple Access with Collision Detection
Ethernet_flow_control
SpaceX satellite Internet constellation
semiannual reports filed with the Federal Communications Commission, Starlink satellites performed approximately 50,000 collision-avoidance maneuvers between
Starlink
Radio system used by the U.S. armed forces
Distribution System (JTIDS) is an L band Distributed Time Division Multiple Access (DTDMA) network radio system used by the United States Department of
Joint Tactical Information Distribution System
Joint_Tactical_Information_Distribution_System
Cruise control advanced driver-assistance system
United States, Acura introduced radar ACC integrated with a Collision avoidance system (Collision Mitigation Braking System (CMBS)) in the model year 2006
Adaptive_cruise_control
Electric mid-size luxury crossover SUV since 2015
Forward Collision Avoidance: Automatic Emergency Braking | Forward Collision Avoidance: Sensing System: Camera | Forward Collision Avoidance: Warnings
Tesla_Model_X
communications links. The vessel will be provided with advanced autonomous navigation and anti collision features to keep it within maritime law and the
ASW Continuous Trail Unmanned Vessel
ASW_Continuous_Trail_Unmanned_Vessel
Computer control of machine tools
condition or a servo motor fails to get to the desired position. Collision detection and avoidance are possible, through the use of absolute position sensors
Computer_numerical_control
Suite of advanced driver-assistance system features
controller for smoother tracking, and improved predictive modeling for collision avoidance. Tesla also adopted HW4-native inputs and announced plans for further
Tesla_Autopilot
Design, construction, use, and application of robots
values automated. Kinematics encompasses calculation efficiency, collision avoidance, and stalling prevention. Meanwhile, dynamics are used to study the
Robotics
Last leg of telecommunications delivery
support 1000 Mbit/s or more. While length may be limited by collision detection and avoidance requirements, signal loss and reflections over these lines
Last mile (telecommunications)
Last_mile_(telecommunications)
Light rail line in Boston and Milton, Massachusetts
2009, the MBTA conducted a pilot test of technology similar to a collision avoidance system in an automobile, using radar and increasingly fast beeping
Mattapan_Line
Carrier sense multiple access / collision avoidance Wireless IEEE Std 802.11 Downloads CSMA/CD Carrier sense multiple access / collision detection Physical
List of information technology initialisms
List_of_information_technology_initialisms
Range of low orbital altitudes
orbits with lowest altitudes (at perigee) below 400 km (250 mi). It is of increasing commercial importance in a variety of scenarios and for multiple applications
Very_low_Earth_orbit
Type of radio antenna
applications, for example in reducing the cost of vehicle-mounted radar collision avoidance systems. In an ionized gas plasma antenna, a gas is ionized to create
Plasma_antenna
2003 British pseudo-documentary
fictitious incident would have been fitted with on-board collision avoidance systems which, combined with air traffic control's Conflict Alert system
The_Day_Britain_Stopped
Internet assisted travel planning
(MaaS) is a type of service that enables users to plan, book, and pay for multiple types of mobility services through an integrated platform. Transportation
Mobility_as_a_service
Deliberate death by means of a railway vehicle
advance, while jumpers do it on impulse. A collision with a suicidal pedestrian is different from a collision with an unauthorised person, a trespasser, who
Rail_suicide
Software application for use in satellite missions
service-oriented architecture (SOA) environments. FreeFlyer is one stand-alone product with two tiers of rising functionality. FreeFlyer contains an object-oriented
FreeFlyer
Communications technique involving satellite placement in orbit
2017 Eckstein, MC; Rajasingh, CK; Blumer, P Colocation Strategy and Collision Avoidance for the Geostationary Satellites at 19 Degrees West International
Co-location_(satellite)
Standard for V2X applications
vehicle-to-pedestrian (V2P) use cases, including cooperative awareness, collision avoidance, vulnerable road user protection, and electronic toll collection
Cellular_V2X
Device in some automobiles to record accident information
installed in some automobiles to record information related to traffic collisions. In the USA, EDRs must meet federal standards, as described within the
Event_data_recorder
US airspace system modernization project
capability to prevent aircraft collisions. The more advanced Airborne Collision Avoidance System X will support access to closely spaced runways in almost
Next Generation Air Transportation System
Next_Generation_Air_Transportation_System
cooperative safety applications such as collision warning, emergency electronic brake lights, and intersection collision avoidance, as well as supporting features
Automotive_V2X_antennas
Issues of legal responsibility for incidents involving autonomous vehicles
to get to Level 3 and 4 autonomy, have helped reduce collisions by employing forward-collision warnings and automatic braking. Given these trends, the
Self-driving_car_liability
reduction in traffic collisions and the resulting severe injuries or deaths. United States government estimates suggest 94% of traffic collisions have humans as
Impact_of_self-driving_cars
Computer simulation of a person
trajectory and velocity. Obstacle avoidance, task of satisfying some control objective subject to non-intersection or non-collision position constraints in order
Virtual_human
Technology development overview
Collision avoidance maneuvers Collision avoidance (spacecraft) – Form of collision management in aeronautics Conjunction assessment Collision avoidance (spacecraft)
Outline of artificial satellites
Outline_of_artificial_satellites
Aircraft which flies without a human pilot
fields. Reactive autonomy, such as collective flight, real-time collision avoidance, wall following and corridor centring, relies on telecommunication
Autonomous_aircraft
Technology research program to improve the ecological footprint of airliners
cameras for ground navigation and collision avoidance. Boeing's named airliner technology programs started in 2001 with the Quiet Technology Demonstrator
EcoDemonstrator
Series of wildfires in California, United States
Jonathan (January 31, 2025). "Man agrees to plead guilty in drone collision with Super Scooper over Palisades Fire". NBC Los Angeles. Archived from the
January 2025 Southern California wildfires
January_2025_Southern_California_wildfires
Measuring the point of gaze or motion of an eye relative to the head
environments: case study with a person with ALS". IEEE Access. 4: 558–573. Bibcode:2016IEEEA...4..558E. doi:10.1109/ACCESS.2016.2520093. S2CID 28210837
Eye_tracking
Movement of vehicles and pedestrians along land routes
often equipped with closable gates, crossing bells and warning signs. The higher the speed of a vehicle, the more difficult collision avoidance becomes and
Traffic
Marine electronics company
4G Radar, StructureScan with SideScan and DownScan Imaging, Sonic Hub Audio, Sirius LWX-1 Weather, and NAIS Collision Avoidance.[citation needed] Lowrance
Navico
Proposed US military radio system
Mark X & XII/A with Selective Identification Feature (SIF) and Air Traffic Control Radar Beacon System (ATCRBS), Airborne Collision Avoidance System (ACAS)
Joint_Tactical_Radio_System
Internet-like structure connecting everyday physical objects
traffic management in western Singapore. Using its RPMA (Random Phase Multiple Access) technology, San Diego–based Ingenu has built a nationwide public network
Internet_of_things
turbine at Aberdeen Bay over 19 months reports no confirmed collisions, with observed avoidance behaviour suggesting lower-than-expected impacts of wind
2026_in_science
Metrics related to human characteristics
Fingerprint, and Palm Vein", July 2011 Daugman, John (24 February 2021). "Collision Avoidance on National and Global Scales: Understanding and Using Big Biometric
Biometrics
Designing to suit cognitive abilities
where humans interact with technology. Applications include aviation (e.g., cockpit layouts), transportation (e.g., collision avoidance), the health care
Cognitive_ergonomics
Information rate that can be transmitted over a given bandwidth
due to co-channel interference and collisions are excluded. Higher-layer protocol overhead (above the media access control sublayer) is normally neglected
Spectral_efficiency
shelter in their Soyuz due to a risk of collision with debris that was discovered too late for performing avoidance maneuvering. The piece of debris was
List of accidents and incidents involving the International Space Station
List_of_accidents_and_incidents_involving_the_International_Space_Station
Autonomous car technology company
Retrieved January 29, 2026. "Automated Driving System-Equipped Vehicle Collision with Student Pedestrian". NTSB. March 3, 2026. Retrieved March 4, 2026. Hawkins
Waymo
Aircraft Communications Addressing and Reporting System ACAS Airborne collision avoidance system ACC Area control centre ACC Active clearance control Turbine
List of aviation, avionics, aerospace and aeronautical abbreviations
List_of_aviation,_avionics,_aerospace_and_aeronautical_abbreviations
Proposed Internet-like structure connecting road vehicles
for a rest. As with other internets connecting real user/consumer experiences with networks to which those user/consumers have no access or control, concerns
Internet_of_vehicles
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
Boy/Male
Hindu, Indian
Un Countable; Multiple; Countless
Surname or Lastname
English
English : topographic name for someone who lived by a water meadow or marsh, Middle English wyshe (Old English wisc).Americanized spelling of Wisch.
Male
Polish
Polish form of Roman Latin Vitus, WIT means "life."
Surname or Lastname
English
English : probably a variant of Collison.
Boy/Male
Australian, Vietnamese
Many; Multiple
Boy/Male
American, English
Earth
Surname or Lastname
North German
North German : variant of Weich or Wiech.Polish : from the personal name Wich, a short form of Wincenty (see Vincent).English : variant of Wyche.
Surname or Lastname
English
English : variant of Dollinson (see Dollins).
Boy/Male
Hindu
Victory
Surname or Lastname
English
English : variant of Wythe.German spelling of the Slavic personal name Wit (see Witek).Danish and Norwegian : nickname for a broad man, from wiidh ‘broad’, or for a pale or fair-haired person, from German weiss ‘white’.
Girl/Female
Hindu, Indian
Person with Multiple Complexions; Goddess Parvati
Surname or Lastname
English
English : variant of Collins.
Boy/Male
English
From the Willow Tree
Surname or Lastname
North German
North German : nickname for someone with white hair or a remarkably pale complexion, from a Middle Low German witte ‘white’.South German : from a short form of the old German personal name Wittigo.English : variant of White.
Girl/Female
Hindu
Persevering enemy, Somebody who gives shelter
Boy/Male
English
Wise.
Female
French
French form of English Edith, ÉDITH means "rich battle."
Boy/Male
Muslim
Multiple lights. Luster.
Surname or Lastname
English and Scottish
English and Scottish : variant of Collins.
Boy/Male
Hindu, Indian, Tamil
Multiple
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
Girl/Female
Australian, Spanish
God's Gift; A Saint's Name
Girl/Female
Indian
Narrator, Reciter, Transmit
Girl/Female
Scottish
Robin.
Boy/Male
Tamil
Manmohan | மநமோஹநÂ
Pleasing, Lord Krishna
Boy/Male
Arabic, Muslim
Servant of the Awar
Boy/Male
Hindu, Indian
One who has Matted Hair; Lord Shiva
Boy/Male
Muslim
Comforter
Girl/Female
Indian
Blessed, Thankful, Great or personification of gratitude, Lucky or giver of wealth
Boy/Male
Hindu, Indian, Tamil
Happy; Lord Krishna
Girl/Female
Australian, Christian, French, Greek
Noble Sort; Well-behaved
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
MULTIPLE ACCESS-WITH-COLLISION-AVOIDANCE
prep.
To denote having as a possession or an appendage; as, the firmament with its stars; a bride with a large fortune.
a.
Having many flues; as, a multiflue boiler. See Boiler.
n.
See Withe.
v. i.
To partake of a collation.
v. t.
To express the accent of (either by the voice or by a mark); to utter or to mark with accent.
v. t.
To pronounce with an accent or with accents.
n.
The number by which another number is multiplied; a multiplier.
imp. & p. p.
of Multiply
n.
Increase by something added; addition; as, an access of territory. [In this sense accession is more generally used.]
v. t.
To add (any given number or quantity) to itself a certain number of times; to find the product of by multiplication; thus 7 multiplied by 8 produces the number 56; to multiply two numbers. See the Note under Multiplication.
n.
The number by which another number is multiplied. See the Note under Multiplication.
adv.
From side to side; crosswise; as, with arms folded across.
v. t.
A light repast or luncheon; as, a cold collation; -- first applied to the refreshment on fast days that accompanied the reading of the collation in monasteries.
n.
A coming to, or near approach; admittance; admission; accessibility; as, to gain access to a prince.
a.
Manifold; multiple.
adv.
With direct and violentop position; with sudden collision.
n.
A paroxysm; a fit of passion; an outburst; as, an access of fury.
n.
The means, place, or way by which a thing may be approached; passage way; as, the access is by a neck of land.
n.
A second access or approach; a return.
n.
One who, or that which, multiplies or increases number.