A Comparative Review on Handover and Co-Existence among Multiplexing Techniques for Future Generation Wireless Systems with Automatic Fall-back
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Wireless Networks##common.commaListSeparator## Co-Existence##common.commaListSeparator## Non-Orthogonal Multiple Access (NOMA)##common.commaListSeparator## Multi User Detection (MUD)##common.commaListSeparator## Inter Symbol Interference (ISI)##common.commaListSeparator## Frequency Selective Channel##common.commaListSeparator## Bit Error Rate (BER)सार
With increasing number of users and multimedia applications, bandwidth efficiency in cellular networks has become a critical aspect for system design. Bandwidth is a vital resource shared by wireless networks. Hence its in critical to enhance bandwidth efficiency. Orthogonal Frequency Division Multiplexing (OFDM) and Non-Orthogonal Multiple access (NOMA) have been the leading contenders for modern wireless networks. NOMA is a technique in which multiple users data is separated in the power domain. A typical cellular system generally has the capability of automatic fallback or handover. In such cases, there can be a switching from one of the technologies to another parallel or co-existing technology in case of changes in system parameters such as Bit Error Rate (BER) etc.Multi User Detection or MUD is a serious challenge faced in the field of wireless and cellular communications. Due to the high spectral efficiency, non-orthogonal multiple access (NOMA) based systems are becoming the latest choice for 5G networks and onwards. This paper presents a review on co-existence of NOMA and OFDM systems for future generation wireless networks.
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