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首页> 外文会议>Institute of Electrical and Electronics Engineers International Symposium on Information Theory >Scaling laws for Infrastructure Single and multihop wireless networks in wideband regimes
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Scaling laws for Infrastructure Single and multihop wireless networks in wideband regimes

机译：宽带机制中基础设施单跳和多跳无线网络的扩展定律

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With millimeter wave bands emerging as a strong candidate for 5G cellular networks, next-generation systems may be in a unique position where spectrum is plentiful. To assess the potential value of this spectrum, this paper derives scaling laws on the per mobile downlink feasible rate with large bandwidth and number of nodes, for both Infrastructure Single Hop (ISH) and Infrastructure Multi-Hop (IMH) architectures. It is shown that, for both cases, there exist critical bandwidth scalings above which increasing the bandwidth no longer increases the feasible rate per node. These critical thresholds coincide exactly with the bandwidths where, for each architecture, the network transitions from being degrees-of-freedom-limited to power-limited. For ISH, this critical bandwidth threshold is lower than IMH when the number of users per base station grows with network size. This result suggests that multi-hop transmissions may be necessary to fully exploit large bandwidth degrees of freedom in deployments with growing number of users per cell.
机译：随着毫米波频段成为5G蜂窝网络的强大候选者，下一代系统可能处于频谱丰富的独特位置。为了评估该频谱的潜在价值，本文针对基础设施单跳（ISH）和基础设施多跳（IMH）架构，推导了具有较大带宽和节点数量的每个移动下行链路可行速率的缩放定律。结果表明，对于这两种情况，都存在关键的带宽缩放比例，在此范围之上，增加带宽不再会增加每个节点的可行速率。这些关键阈值与带宽完全一致，对于每种体系结构，带宽都从自由度受限的网络过渡到功率受限的网络。对于ISH，当每个基站的用户数量随网络规模增长时，此关键带宽阈值低于IMH。该结果表明，在每个单元中用户数量不断增长的部署中，充分利用大带宽自由度可能需要多跳传输。

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