文件名称:On the Performance of Non-Orthogonal Multiple Access in 5G Systems with Randomly Deployed Users
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- 2021-08-30
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In this letter, the performance of non-orthogonal multiple access (NOMA) is investigated in a cellular downlink scenario
with randomly deployed users. The developed analytical results
show that NOMA can achieve superior performance in terms of
ergodic sum rates; however, the outage performance of NOMA depends critically on the choices of the users’ targeted data rates and
allocated power. In particular, a wrong choice of the targeted data
rates and allocated power can lead to a situation in which the user’s
outage probability is always one, i.e. the user’s targeted quality of
service will never be met
with randomly deployed users. The developed analytical results
show that NOMA can achieve superior performance in terms of
ergodic sum rates; however, the outage performance of NOMA depends critically on the choices of the users’ targeted data rates and
allocated power. In particular, a wrong choice of the targeted data
rates and allocated power can lead to a situation in which the user’s
outage probability is always one, i.e. the user’s targeted quality of
service will never be met
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