Abstract
Spectrum Mobility in Cognitive Radio
Highlights
Cognitive radio networks can be defines as a network in which more than one user can shares same spectrum, at different times,or different frequency .In this one is primary user, who register for spectrum and other are secondary user,they take permission from primary user to use the spectrum and the process by frequency or spectrum is transferred from one user to another is called spectrum mobility.There are several other module of cognitive radio network like -: 1. Spectrum Detection- n this CRN detects for vacant frequency or holes in term of network.2
The main motive of spectrum mobility in Cognitive Radio Networks is to switching from one channel to another without breaking its connection or interruption To do this, spectrum mobility is divided into two processes: spectrum handoff and connection management
As CR users move spatially, quite possibly transmission inclusion of the Secondary User covers with a Primary User as of utilizing a similar channel band
Summary
Cognitive radio networks can be defines as a network in which more than one user can shares same spectrum, at different times ,or different frequency .In this one is primary user , who register for spectrum and other are secondary user ,they take permission from primary user to use the spectrum and the process by frequency or spectrum is transferred from one user to another is called spectrum mobility. There are several other module of cognitive radio network like -: 1. Spectrum Detection- n this CRN detects for vacant frequency or holes in term of network. 2. Spectrum Decision Making - In this CRN takes decision which holes is allocated to which users
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