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Crosstalk from two radio transmitters on one channel
Co-channel interference or CCI is crosstalk from two different radio transmitters using the same channel. Co-channel interference can be caused by many
Co-channel_interference
Disruptive modification of a signal
Electromagnetic interference (EMI) Co-channel interference (CCI), also known as crosstalk Adjacent-channel interference (ACI) Intersymbol interference (ISI) Inter-carrier
Interference_(communication)
Ratio of useful signal versus co-channel interference received
received modulated carrier power S or C and the average received co-channel interference power I, i.e. crosstalk, from other transmitters than the useful
Signal-to-interference_ratio
Physical or logical connection used for transmission of information
memoryless model Phase noise model Interference model, for example crosstalk (co-channel interference) and intersymbol interference (ISI) Distortion model, for
Communication_channel
service by avoiding co-channel interference and adjacent channel interference among nearby cells or networks that share the bandwidth. Channel-allocation schemes
Channel_allocation_schemes
Radio resource management (RRM) is the system level management of co-channel interference, radio resources, and other radio transmission characteristics
Radio_resource_management
Radio standard by ETSI
radio interference (co-channel interference rejection) Better bandwidth utilization Mesh deployment The DECT-2020 standard has been designed to co-exist
DECT-2020
Topics referred to by the same term
power from a signal in an adjacent channel Co-channel interference, also known as crosstalk Electromagnetic interference, disturbance that affects an electrical
Interference
Height based on large area surrounding object; often used in U.S. for antenna towers
and HAAT values, depending on their assigned zones, to prevent co-channel interference. The FCC regulations for ERP and HAAT are listed under Title 47
Height_above_average_terrain
Adult contemporary radio station in Charlotte, North Carolina
subchannel carries tropical music as "Playa 94.7". The station receives co-channel interference from WNOK in Columbia, South Carolina, just 75 miles south of Charlotte
WKQC
or by intermittent electromagnetic interference, for example from crosstalk in a cable, or co-channel interference from radio transmitters. Time diversity
Time_diversity
node is prevented from sending packets to other nodes because of co-channel interference with a neighboring transmitter. Consider an example of four nodes
Exposed_node_problem
Map indicating service areas of transmitting stations
service area of mediumwave services can be drastically reduced by co-channel interference from distant stations. Often coverage maps show general coverage
Coverage_map
Information rate that can be transmitted over a given bandwidth
high link spectral efficiency may result in high sensitivity to co-channel interference (crosstalk), which affects the capacity. For example, in a cellular
Spectral_efficiency
Methods to improve communications reliability
fading and co-channel interference and avoiding error bursts. It is based on the fact that individual channels experience fades and interference at different
Diversity_scheme
System for global identification and tracking of ships
does not make LRIT superfluous in any manner. Indeed, because of co-channel interference near densely populated or congested sea areas, satellites are having
Long-range identification and tracking
Long-range_identification_and_tracking
Electromagnetic propagation in relation to the troposphere
symptom during such conditions may be interference to the local transmitter resulting in co-channel interference, usually horizontal lines or an extra
Tropospheric_propagation
weaker signal from a further source due to adjacent-channel interference, co-channel interference, distortion, capture effect, dynamic range limitation
Near–far_problem
Digital radio standard
the same channel frequency without problems with co-channel interference, i.e. cross-talk. Assuming a total availability of 102 FM channels at a bandwidth
Digital_Audio_Broadcasting
Topics referred to by the same term
prevailing investors' sentiment Signal-to-interference ratio, the ratio of useful signal versus co-channel interference received Silent information regulator
Sir_(disambiguation)
Telecommunications transmission site on the Isle of Wight, England
second option to those experiencing co-channel interference from transmitters on the continent. Analogue Channel 5 was not transmitted from Rowridge but
Rowridge_transmitting_station
downlink soft handover. A difference is that in the CDMA case, co-channel interference from transmissions to other users are more efficiently avoided
Dynamic single-frequency networks
Dynamic_single-frequency_networks
Slotted medium access control protocol widely used in ad hoc networks
the current data transfer between node A and node B (to avoid co-channel interference at node B). Hence, even though it receives RTS from node D, it
Multiple Access with Collision Avoidance for Wireless
Multiple_Access_with_Collision_Avoidance_for_Wireless
Radio station in Nashua, New Hampshire, United States
northern portion of the Boston media market. The station has FM co-channel interference with Providence-market WWKX past this area. WFNQ is the flagship
WFNQ
Radio station in St. Catharines, Ontario
using a directional antenna with a nine-tower array to prevent co-channel interference with WHKW Cleveland, as well as 1230 WECK in Cheektowaga, forty
CFAJ
Canceling Reference Signal for NTSC (for adjacent-channel interference or co-channel interference with analog NTSC stations nearby) A/52B: audio data
List_of_ATSC_standards
Signals in one channel affecting another
communication, crosstalk is often denoted co-channel interference, and is related to adjacent-channel interference. In integrated circuit design, crosstalk
Crosstalk
Means for multiple terminals to communicate over one medium
power can be reduced to a level below the level of the noise and co-channel interference from other message signals sharing the same frequency range. One
Channel_access_method
Former telecommunications company
within the legacy public safety systems of the United States, co-channel interference was a common occurrence within 800 MHz band. To resolve the problems
Nextel
Radio station in London, England
Show). Immediately after going on air, Capital Radio suffered co-channel interference from Radio Veronica, a pirate radio station off the coast of the
Capital_London
Police chase in Los Angeles, United States
and the high degree of broadcasting activity caused frequent co-channel interference. The LAPD, unable to get a closer look inside of the Bronco, took
White_Bronco_chase
Multi-user version of OFDM digital modulation
information about the channel, or sub-carrier frequency hopping, is therefore desirable. Dealing with co-channel interference from nearby cells is more
Orthogonal frequency-division multiple access
Orthogonal_frequency-division_multiple_access
Method of encoding digital data on multiple carrier frequencies
easily adapt to severe channel conditions without complex time-domain equalization. Robust against narrow-band co-channel interference Robust against intersymbol
Orthogonal frequency-division multiplexing
Orthogonal_frequency-division_multiplexing
Transmitting station in East Sussex, England
reasonable signal areas. The station's coverage area experiences co-channel interference problems, particularly to the south, not only with Brighton (Whitehawk
Heathfield transmitting station
Heathfield_transmitting_station
Radio station in Statesville, North Carolina, United States
using HD Radio technology. In the Boone area, WKKT is subject to co-channel interference from WXBQ-FM, licensed to Bristol, Virginia. The transmitters of
WKKT
Type of wireless network design
to solve the problem of co-channel interference (although it does not eliminate the problem).[citation needed] Single-channel architecture (SCA) Marko
Multiple-channel_architecture
Network scheduling algorithm
station sites that can not use the same frequency channel, in view to avoid co-channel interference. In WFQ, a scheduler handling N flows is configured
Weighted_fair_queueing
Radio station in London, Ontario
Its signal has a slight null to the east of London, to avoid co-channel interference from CHFI-FM in Toronto. On September 2, 2026, the station announced
CKLO-FM
De facto standard in radio communications
list of decreasing probability-to-contact, significantly reducing co-channel interference to other users as well as dramatically decreasing the time needed
Automatic_link_establishment
Radio station in Rivière-du-Loup, Quebec
did not actually result in good coverage at night due to massive co-channel interference. The FM signal went on the air on December 15, 1994 and the AM
CIEL-FM
Telecommunications networks transmitted by radio waves
frequencies are not reused in adjacent cells, which would cause co-channel interference. The increased capacity in a cellular network, compared with a
Cellular_network
Television and radio transmitting station in Kingsclere
the east before the digital switchover (DSO) so as not to cause co-channel interference with Guildford transmitter. Those restrictions were removed soon
Hannington transmitting station
Hannington_transmitting_station
Wi-Fi channel allocation scheme
channel allocation scheme specified for wireless LANs, commonly known as Wi-Fi. It is designed to prevent electromagnetic interference by avoiding co-channel
Dynamic_frequency_selection
Detection of the presence or absence of human speech
mode, VAD is essential for enhancing system capacity by reducing co-channel interference and power consumption in portable digital devices. In speech processing
Voice_activity_detection
U.S. government AI system
weak signals and low-reflectance objects in dense clutter and co-channel interference environments, and advanced phased array technologies to improve
Sentient (intelligence analysis system)
Sentient_(intelligence_analysis_system)
Family of wireless network protocols
spacing. Channels that differ by four interfere a negligible amount – much less than reusing channels (which causes co-channel interference) – if transmitters
Wi-Fi
Radio station in Plymouth, Wisconsin, United States
due to ongoing interference problems with WBFM and WHBZ within the city on the 104.5 frequency, along with summer co-channel interference with Muskegon
WXER
Topics referred to by the same term
index, a type of database table introduced in SQL Server 2012 Co-channel interference, a problem in radio communications Coded-Call Indicator, used to
CCI
Data network scheduling algorithm
use the same frequency channel simultaneously, in view to avoid co-channel interference. Another way to schedule data transfer that leads to similar results
Proportional-fair_scheduling
Radio station in Swanton, Ohio, United States
area and under certain weather conditions is sometimes swamped by co-channel interference from WNWV in Elyria, Ohio, although the station continues to enjoy
WJUC
British radio station
reception than the FM frequency can provide as 103.0 suffers from co-channel interference from other stations on nearby frequencies. In May 2016, two additional
Hits_Radio_Manchester
Radio station in Stratford, Ontario
relaunched as 107.1 Juice FM. Due to its low ERP, CJCS-FM has co-channel interference with CILQ-FM in Toronto, Ontario which has a higher ERP. On July
CJCS-FM
Procedure for scheduling data packets in a packet switched best-effort network
affected by, interference to/from nearby cells. The DCA algorithm would prevent the nearby cells from using the same frequency channel simultaneously
Maximum_throughput_scheduling
Radio broadcast hardware
broadcast on the same frequency in the same area as this would cause co-channel interference. The other two groups (B and C/D) utilise the middle and top third
Broadcast_transmitter
Northwest Public Radio station in Bellingham, Washington
was Skagit Valley College's KSVR, then at 90.1 FM and causing co-channel interference to KNWP, the Northwest Public Radio transmitter at Port Angeles
KZAZ_(FM)
Radio station in Evansdale, Iowa, United States
kilowatts with an extremely directional antenna pattern to avoid co-channel interference to stations such as KNWM in Madrid, KQPR in Albert Lea, Minnesota
KCVM
Radio station in Geneva, Ohio, United States
expanding its signal. Due to this change, WDON experienced major co-channel interference issues, which led to WDON changing its frequency to 104.7, and
WKKY
Form of signal modulation using time shifts
(March 2007). "Narrowband PPM Semi-Blind Spatial-Rake Receiver & Co-Channel Interference Suppression" (PDF). European Transactions on Telecommunications
Pulse-position_modulation
Radio broadcast band
than 50, 100, or 200 kHz multiples. This may have been to reduce co-channel interference caused by Sporadic E propagation and other atmospheric effects
FM_broadcast_band
ETSI standard for cordless telephony
radio interference (co-channel interference rejection) Better bandwidth utilization Mesh deployment The DECT-2020 standard has been designed to co-exist
DECT
Television channel
move in frequencies was to prevent co-channel interference, as Neil Blackman's NBTV (now known as HBTV) occupied channel 9. In January 1998, GTV ordered
NCN_Television_(Guyana)
television channels List of Canadian specialty channels Category A services Category B services Category C services List of foreign television channels available
List of Canadian television stations available in the United States
List_of_Canadian_television_stations_available_in_the_United_States
Network connecting computers with different operating systems or protocols
2015. Ernst, Jason B.; Nasser, Nidal; Rodrigues, Joel (2012). "Co-channel interference modelling between RATs in heterogeneous wireless networks". 2012
Heterogeneous_network
Rate of modulation of a digital signal
sequence of many symbols overcomes co-channel interference from other transmitters sharing the same frequency channel, including radio jamming, and is common
Symbol_rate
on those channels for stations in adjacent TV markets and avoid co-channel interference with them. No local stations are moving to VHF channels 2 to 13
History of television in Atlanta
History_of_television_in_Atlanta
Community radio station in Newport Beach, California
Tustin. The station operates at a low power in order to avoid co-channel interference to KGB-FM, in distant San Diego, which also broadcasts at 101.5
KOCI-LP
Television station in Toledo, Ohio
due to co-channel interference from CIII-DT-29 in Sarnia, Ontario, which also broadcasts on channel 29. That station however, is moving to channel 35. Coverage
WGTE-TV
Redundancy method to improve communications reliability
limited communication spectrum and avoid co-channel interference. Pattern diversity consists of two or more co-located antennas with different radiation
Antenna_diversity
Computer network not fully connected by cables
problem is when a node on one network is unable to send because of co-channel interference from a node that is on a different network. The wireless spectrum
Wireless_network
System spectral efficiency of communication system
channel (CPICH) probably consumes 15 to 20 percentage of the forward as well as the reverse link capacity[citation needed]. Co-channel interference is
CDMA_spectral_efficiency
mobile station is outside the service coverage area, or affected by co-channel interference, i.e. crosstalk) blocking probability (the probability that the
Mobile_QoS
Scrambling system for pay-TV transmissions
susceptible to picture degradation when exposed to ghosting and co-channel interference conditions commonly present in terrestrial transmissions. The VideoCrypt
VideoCrypt
Environment causing disruption of radio waves
signal is degraded by natural or man-made interference (such as jamming signals or co-channel interference), (c) an interfering signal can reconfigure
Stressed_environment
Type of mediumwave radio reception
rather than the 10 kHz in the United States, helping to reduce co-channel interference from domestic stations, from countries such as Spain and Norway
MW_DX
Uses of the 2.4 GHz ISM radio spectrum
4835 GHz. To reduce interference with other protocols that use the 2.45 GHz band, the Bluetooth protocol divides the band into 80 channels (numbered from 0
2.4_GHz_radio_use
Non-metropolitan district in England
can also be received from the Waltham TV transmitter. With the co-channel interference from the Waltham transmitter, a small number of households in the
South_Holland_District
sequence spread spectrum signals in the presence of narrowband co-channel interference. Compton's method, reported in 1974, only requires knowledge of
History_of_smart_antennas
Digital radio broadcast technology
adjacent channels without interfering with other local stations, and usually without co-channel interference with distant stations on those channels. Outside
HD_Radio
Radio station in Bracebridge, Ontario
southernmost area of its coverage area, the signal is often impacted from co-channel interference from WDCX in Buffalo, New York, which broadcasts on the same frequency
CFBG-FM
Television station in Poland Spring, Maine
that area (despite being difficult to receive over-the-air due to co-channel interference from Ottawa station CJOH-TV's repeater in Cornwall, Ontario). WMTW
WMTW_(TV)
which typically share the same channel capacity and therefore operate at different frequency to avoid co-channel interference, are affected by the same rainfall
Rain attenuation frequency scaling
Rain_attenuation_frequency_scaling
– Acoustic coupler – Adaptive communications – Adder – Adjacent-channel interference – Alarm sensor – Aliasing – Allied Electronics – Alternating current
Index_of_electronics_articles
beams in different spatial directions Radar Communications Systems Co-channel interference Spectrum Management Radio resource management Griffiths, Hugh;
Electromagnetic radio frequency convergence
Electromagnetic_radio_frequency_convergence
Telecommunications concept
When applied to clusters of cells sectorization also reduces co-channel interference, according to Walke. This is because the power radiated backward
Cellular_traffic
Broadcasting and telecommunications facility in Lincolnshire, England
of an off-air rebroadcast of Holme Moss but this was plagued by co-channel interference from the continent. BBC2 was an off-air rebroadcast from Emley
Belmont_transmitting_station
American networking equipment manufacturer
wireless network for casual use. This causes problems ranging from co-channel interference to the inability of micro-cellular systems to scale up.[clarification
Meru_Networks
Christian radio station in Morris, Illinois, United States
Commission in 2017, WCFL claimed that its signal has been subjected to co-channel interference from translator W284DA, which relays WRDZ. The translator is operated
WCFL_(FM)
Country music radio station in Atlanta, Georgia, United States
translator was forced off-air due to co-channel interference with WCON-FM, the "Old School" format remained on the HD-3 channel for a time before returning to
WUBL
equator - cellular telephony - Chapman function - clutter (radar) - co-channel interference - coherence bandwidth - coherence time - communication with submarines
Index of radio propagation articles
Index_of_radio_propagation_articles
Transmitter site in Anglesey, Wales
channels were in the UK UHF C/D aerial group, the new DVB channels are now spread over into the E group (presumably to avoid co-channel interference with
Llanddona transmitting station
Llanddona_transmitting_station
Television station in Orlando, Florida
space its transmitter 55 miles (89 km) away from channel 26 in Daytona Beach to avoid co-channel interference. Although such an arrangement could not happen
WRDQ
Relevant Radio station in Newark, New Jersey
listeners reside. This caused signal cancellation and fading. Co-channel interference also limited its nighttime coverage .[citation needed]. In 1968
WNSW
Television station in Memphis, Tennessee
NTA Film Network. The station moved to VHF channel 5 on November 23, 1952, due to co-channel interference with fellow NBC affiliate WSM-TV in Nashville
WMC-TV
Disturbance in an electrical circuit due to external sources of radio waves
Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by
Electromagnetic_interference
Radio station in Wooster, Ohio
1987, WCWS-FM changed frequencies to 90.9 MHz in order to reduce co-channel interference to WKCO at Kenyon College. However, an attempt to increase the
WKWO
Radio station in West Warwick, Rhode Island
CP request (most likely out of concern for the potential for "co-channel interference" with WFHN in nearby Fairhaven, Massachusetts) and later to 1 watt
WWRI
Radio station in Macclesfield, England
granted a significant transmitter power increase, partly to combat co-channel interference from the Heart North and Mid Wales transmitter at the Moel-y-Parc
Silk_Radio
Radio station in Hudson–Saint-Lazare, Quebec
Hudson/Saint-Lazare area, due to co-channel interference in Montreal and areas south from WIZN in Vergennes, Vermont, and first-adjacent interference in Eastern Ontario
CHSV-FM
Radio station in Sudbury, Ontario
(formerly CFBR) existence on AM 900, the station had suffered some co-channel interference during the nighttime hours from 900 CHML Hamilton, making it unlistenable
CHYC-FM
Radio station in Mina, New York
however, it is unable to be heard in the city itself because of co-channel interference from 179,000-watt CFPL "FM 96" from London, Ontario. Its signal
WEBG_(FM)
travel, tourism, insurance
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