adjacent-channel interference


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adjacent-channel interference

[ə′jās·ənt ′chan·əl in·tər′fir·əns]
(communications)
Interference that is caused by a transmitter operating in an adjacent channel.
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References in periodicals archive ?
The FCC was probing allegations that its routers were not in "full compliance" with FCC regulations on power levels that prevent against adjacent-channel interference.
United States : FCC's Enforcement Bureau reaches settlement in probe of WiFi routers from TP-Link
The investigation aimed to evaluate performance of three different commercially available DVB-T receivers in the presence from strong adjacent-channel interference of downlink LTE Frequency division duplex signal.
Electromagnetic compatibility analysis of DVB-T and LTE systems
For links within interference range, the co-channel interference occurs from transmissions on the same channel, whereas the adjacent-channel interference occurs from transmissions on adjacent and overlapping channels.
Heuristic algorithms for constructing interference-free and delay-constrained multicast trees for wireless mesh networks
The techniques and hardware described are also applicable to sonar applications and adaptive digital filtering, which could reduce adjacent-channel interference in communications systems, enabling increased use of the frequency spectrum.
Real-time adaptive beamforming: FPGA implementation using QR decomposition
The system performances are linked to adjacent-channel interference ratio (ACIR) values.
EFFECTS OF A DRIVER'S ACLR ON TOTAL ACLR
Adjacent-channel interference results when varying individual channel strengths from multiple drops interfere with each other, inhibiting the ability of the modem to distinguish noise from data.
Multi-channel diagnostic modems trim networks
This amplitude compression causes the frequency spectrum to spread into adjacent channels, which could create an adjacent-channel interference problem.
Vector signal measurement for 38 GHz digital radio applications
Other design constraints are the result of regulatory bodies, which specify power spectral density masks defining the maximum allowable adjacent-channel interference (ACI) levels.
Adaptive feedforward linearization for RF power amplifiers
The main objectives of any smart antenna system are reduction of ISI, removal of CCI, mitigation of adjacent-channel interference, enhancement of spectrum efficiency, improvement of BER, reduction of outage probability, improvement of transmission efficiency and reduction of hand-off rate and crosstalk.
Testing of smart antenna systems
By integrating all the components necessary for generating accurate co- and adjacent-channel interference conditions, the emulator provides a single instrument solution to a problem that previously required more than three instruments.
Third-generation wireless test equipment requirements
Since more users are intended to occupy adjacent channels, the potential for adjacent-channel interference actually may be higher in spread spectrum receivers as compared to narrowband systems.
High dynamic range GaAs HBT LNA/mixers for low cost 1900 MHz PCS applications
In a communication system, the IMD products appear in an adjacent channel and cause adjacent-channel interference. These undesirable intermodulation products must be removed to levels below -60 to -70 dBc for most communication systems to minimize adjacent-channel interference.
A PCS multicarrier linear power amplifier

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