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One of the challenges in massive-MIMO system is pilot contamination during the channel estimation process. Pilot contamination can cause error or inaccurate channel estimation process for future fifth generation (5G) downlink transmissions. This paper considers using a Wiener-based filter to smooth and predict the channel estimation to reduce the pilot contamination for more accurate CSI during channel...
Massive-MIMO system is widely addressed by the literature as one of the main contributors for the next generation of the cellular network (5G). In the Massive-MIMO system the number of transmit antennas is much larger than the number of served users. Hence, it promises higher spectral efficiency by improving the rank of the overall channel matrix and localizing the interference. To mitigate interference...
With the growing of telecommunication technology, people can connect to the Internet wirelessly anywhere and anytime. IEEE 802.11 Wireless Local Area Network (WLAN) became the preferred technology for providing Internet access in both indoors and outdoors environments for private and public usage. In order to establish the connection, users need to authenticate and associate with the Access Point...
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