+1 vote
96 views
in Cognitive Radio by (86.8k points)
Which among the following statements is false about the radio environment map on a network level?

(a) Radio environment map is compatible with hybrid node technology

(b) Radio environment map introduces network intelligence

(c) Radio environment map merges into the core of cognitive radio architecture

(d) Radio environment map is dependent on network topology

The question was posed to me in class test.

My question is from Next Generation Wireless Network topic in division Next Generation Wireless Network of Cognitive Radio

1 Answer

0 votes
by (65.4k points)

The correct answer is:

(d) Radio environment map is dependent on network topology

Explanation:

Radio Environment Map (REM) is a representation of the radio environment that is used by cognitive radios to make intelligent decisions about spectrum management and access. REMs collect and represent data about spectrum availability, signal strength, interference, and other aspects of the radio environment.

Here’s why the other options are true:

  • (a) Radio environment map is compatible with hybrid node technology: REMs can work with various types of nodes, including hybrid nodes (which may combine different radio technologies), to gather and disseminate environmental data across a network.

  • (b) Radio environment map introduces network intelligence: The purpose of REMs is to provide a framework that allows cognitive radios to make intelligent decisions based on the detailed radio environment data they collect, introducing a form of network intelligence.

  • (c) Radio environment map merges into the core of cognitive radio architecture: REMs are a fundamental component of the cognitive radio architecture, supporting the decision-making process by providing real-time data about the radio environment.

(d) is false because REMs are not directly dependent on the specific topology of the network. The information in a REM is more focused on the radio conditions and spectrum usage, and while network topology may influence how the REM is deployed or accessed, the REM itself is not inherently dependent on the network's physical or logical structure. It operates independently of the topology to provide broad-spectrum environmental data.

Related questions

Welcome to TalkJarvis QnA, a question-answer community website for the people by the people. On TalkJarvis QnA you can ask your doubts, curiosity, questions and whatever going in your mind either related to studies or others. Experts and people from different fields will answer.

Most popular tags

biology – class 12 biology – class 11 construction & building materials chemistry – class 12 electronic devices & circuits network theory data structures & algorithms ii cell biology ic engine insurance finance money computational fluid dynamics engineering physics i discrete mathematics chemistry – class 11 aerodynamics casting-forming-welding i engineering mathematics operating system casting-forming-welding ii engineering drawing mysql engineering geology digital circuits wireless mobile energy management electrical measurements digital communications cyber security analytical instrumentation embedded systems electric drives cytogenetics advanced machining computer fundamentals life sciences basic civil engineering iot design of electrical machines physics – class 12 applied chemistry dairy engineering basic chemical engineering cloud computing microprocessor bioinformatics aircraft design aircraft maintenance software engineering drug biotechnology digital signal processing biochemistry data structures & algorithms i automotive engine design avionics engineering material & metallurgy energy engineering cognitive radio unix electrical machines biomedical instrumentation object oriented programming electromagnetic theory power electronics analog communications bioprocess engineering civil engineering drawing engineering metrology physics – class 11 mathematics – class 12 engineering chemistry i basic electrical engineering unit processes mongodb signals and systems cryptograph & network security hadoop mathematics – class 11 engineering physics ii html control systems engineering mechanics antennas analog circuits computer network java sql server javascript concrete technology chemical process calculation artificial intelligence design of steel structures c++ database management computer architecture engineering chemistry ii corrosion engineering chemical technology dc machines
...