Sentence examples for spectrum environments from inspiring English sources

This paper presents an integrated view of cognitive radio technologies for efficient wireless services in dense spectrum environments.

Following the latest trends in dynamic spectrum environments, we adopt a CR database-assisted system model conforming to recent trends for exploiting unlicensed TV whitespaces [11].

Specifically, the challenges for real-time transport in CRSN are investigated in different spectrum environments of smart grid, e.g., 500 kV substation, main power room and underground network transformer vaults.

Numerical results show that the retrial phenomenon of SUs have an impact on the loss probability and throughput of SUs in cognitive radio networks under a mixed spectrum environments of licensed and unlicensed channels.

In this study we have investigated and experimented some of the well-known on-demand, table-driven and QoS-aware routing protocols, in terms of packet delivery ratio, end-to-end delay, and energy consumption to show the advantages and disadvantages of each routing protocol type in different smart grid spectrum environments.

In order for something like this to work, the government would need to use a centralized system to scan the radio waves and be aware of the spectrum environment.

Figure 1 Measurement versus real spectrum environment.

Hence, effective utilization of the spectrum plays an important role in today's crowded spectrum environment.

This is in line with the nature of dynamic spectrum environment in practical CRANET scenario.

The localized spectrum sensing approach appears to be more appealing, thanks to its adaptivity to a changing spectrum environment.

There have been a few existing publications on spectrum sensing and access schemes in dynamic spectrum environment.