Which among the following is an additional function carried out xG users in the licensed band?(a) Route primary users(b) Detection of the presence of primary users(c) Detection of the presence of secondary users(d) Route secondary usersThis question was posed to me in semester exam.The above asked question is from The xG Network Architecture in division Next Generation Wireless Network of Cognitive Radio

Which among the following is an additional function carried out xG use

1.	Which among the following is an additional function carried out xG users in the licensed band?(a) Route primary users(b) Detection of the presence of primary users(c) Detection of the presence of secondary users(d) Route secondary usersThis question was posed to me in semester exam.The above asked question is from The xG Network Architecture in division Next Generation Wireless Network of Cognitive Radio
Answer» Right CHOICE is (b) Detection of the presence of PRIMARY USERS The explanation: An xG user should ensure that the primary user is not affected by the operations of the xG users. The primary user does not have the capability to DETECT the presence of the primary user and request for termination of the connection. Hence the xG user listens for the ARRIVAL of the primary user.

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