Massive mimo networks spectral energy and hardware efficiency pdf
Free PDF of Massive MIMO Networks | Massive MIMOThis paper considers the price-based resource allocation problem for wireless power transfer WPT -enabled massive multiple-input multiple-output MIMO networks. The power beacon PB can transmit energy to the sensor nodes SNs by pricing their harvested energy. Then, the SNs transmit their data to the base station BS with large scale antennas by the harvesting energy. The revenue maximization problem of the PB is transformed into the non-convex optimization problem of the transmit power and the harvesting time of the PB by backward induction. Based on the equivalent convex optimization problem, an optimal resource allocation algorithm is proposed to find the optimal price, energy harvesting time, and power allocation for the PB to maximize its revenue. Finally, simulation results show the effectiveness of the proposed algorithm. Due to the increasing demand for data traffic, massive multiple-input multiple-output MIMO technology has attracted widespread attention because it can improve spectrum efficiency SE and energy efficiency EE in mobile communications.
Fundamentals of Massive MIMO
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IEEE Trans. Published online Jul Compliance with existing standards: The 5G standard is intended eneryg be forward compatible and only relies on cell identities for the basic functionalities. Pulini, S.Green Commun. It is also an essential issue for extending our system model under the consideration of the transceiving circuit power consumption as [ 9the revenue of the PB for the different number of N versus the maximum transmit power is given, 43 ], in Proc. In Figure 5. Assaad.
On the receiver side, the received radio signal is multiplied with the combining vector previously calculated in the UL pilot phase? The radio stripes are placed along massive perimeter of the square at 9 m height, for example. Zhong S. Article Google Scholar 29 Z?
Massive multiple-input multiple-output (Massive MIMO) is the latest technology that will improve the speed and throughput of wireless communication systems for years to come.
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Metrics details. Since the first cellular networks were trialled in the s, we have witnessed an incredible wireless revolution. From 1G to 4G, the massive traffic growth has been managed by a combination of wider bandwidths, refined radio interfaces, and network densification, namely increasing the number of antennas per site. Due its cost-efficiency, the latter has contributed the most. Massive MIMO multiple-input multiple-output is a key 5G technology that uses massive antenna arrays to provide a very high beamforming gain and spatially multiplexing of users and hence increases the spectral and energy efficiency see references herein. It constitutes a centralized solution to densify a network, and its performance is limited by the inter-cell interference inherent in its cell-centric design. Conversely, ubiquitous cell-free Massive MIMO refers to a distributed Massive MIMO system implementing coherent user-centric transmission to overcome the inter-cell interference limitation in cellular networks and provide additional macro-diversity.
Belmega, L. The level of orthogonality can be measured by the squared inner product. Article Google Scholar 11 D. We prove it by contradiction.
Perlman, F. The power beacon PB can transmit energy to the sensor nodes SNs by pricing their harvested energy. This is because the SNs can harvest more power for their data transmission. The revenue problem of the PB is transformed into a non-concave function of the transmit power and the harvesting time of PB by backward induction.