guard band


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guard band

[′gärd ‚band]
(electronics)
A narrow frequency band provided between adjacent channels in certain portions of the radio spectrum to prevent interference between stations.

guard band

A frequency that insulates one signal from another. In an analog telephone line, the low band is 0-300; the high band is 3300-4000Hz.
References in periodicals archive ?
An NB-IoT-only solution with its 200 kHz channel size takes up very little spectrum so operators can deploy it in guard bands with no disturbance to their existing LTE-M network operations that are used for higher-end IoT applications, said Karam.
The remaining one slot is considered as Guard Band which eliminates Inter symbol interference.
The system has a guard band between two adjacent channels to suppress interferences between them.
OFDM technique allows us both: to use the frequency guard band and to avoid the adjacent channels interference (by achieving carriers' orthogonality).
AP-DCDM technique can be used with guard bands as well as without guard bands as per requirement [11].
The model investigates three spectrum sharing scenarios: co-channel, zero guard band (ZGB), and adjacent channel.
The festival featured performances by the National Guard Band and folklore troupes, in addition to productive families' handicrafts.
The festival featured shows staged by the National Guard band and folklore troupes, in addition to productive families' handicrafts.
The proposed method mainly depends on spectrum emission mask (SEM) technique to investigate different interference scenarios such as co-channel, adjacent channel with overlapping band (Overlp_B), with zero guard band (ZGB), or with guard band (GB), for different bandwidths of the interferer and victim.
The guard band policy (GCP), proposed in [11], keeps a certain amount of channels to handoff calls only while the rest of the channels can be shared by both new calls and handoff calls.