Abstract
In this paper, the entire network model is a hybrid wireless network model in which each base station is connected to each other via a wired link. On this basis, we place a large number of antennas (massive MIMO) at each base station to serve a single terminal in the downlink scenario, and we research the outage capacity and ergodic capacity in this scenario. The result of this paper is that the expressions for ergodic throughput capacity, outage probability, and outage throughput capacity have been derived under the favorable propagation condition. Through simulation, we can see the trend of outage throughput capacity and ergodic throughput capacity.
Highlights
Because of the decentralized nature of ad hoc networks, nodes can join the network flexibly, but the problem with ad hoc networks have become apparent over long distances transmission due to lack of the infrastructure support
Marzetta initiated the research of massive MIMO and found that using a wireless antenna system at the base station can completely eliminate the effects of uncorrelated receiver noise and fast fading, and the transmission of terminals within its own cell is not affected
2 Hybrid wireless network model In order to facilitate the following analysis, we introduce the hybrid wireless network model as follows: 1. The entire network consists of b base stations and n nodes, each cell is assigned a base station, and each base station is placed in the center of the cell; n nodes are evenly distributed in b cells; theqdffiiffispffiffitffiffiaffiffiffinffiffi ce between parallel edges of each cell is c 1⁄4 2 3 3 nb. 2
Summary
Because of the decentralized nature of ad hoc networks, nodes can join the network flexibly, but the problem with ad hoc networks have become apparent over long distances transmission due to lack of the infrastructure support. L. Marzetta initiated the research of massive MIMO and found that using a wireless antenna system at the base station can completely eliminate the effects of uncorrelated receiver noise and fast fading, and the transmission of terminals within its own cell is not affected. In [4], the scaling law of throughput capacity of hybrid wireless network based on Nakagami-m fading channel is studied. 4. We analyze the throughput capacity in the downlink transmission scenario; a large number of antennas (massive MIMO) at the base station send data to a single receiving terminal in the cell at the same time. Mρd φd−α ζ ð9Þ approximation for the complementary error function, as follows erfcðxÞ ≈ 1 e−x2 þ 1 e−43x2 ; x > 0
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