Statistical Analysis of MIMO Beamforming With Co-Channel Unequal-Power MIMO Interferers Under Path-Loss and Rayleigh Fading

Ultra-Reliable Low Latency Communication (URLLC) is a newly introduced service class targeting emerging Internet-of-Things (IoT) application scenarios. This paper assumes an interferencelimited Fog Radio Access Network (F-RAN) setup composed of multiple Remote Radio Heads (RRHs) equipped with multiple antennas serving single-antenna users. F-RAN facilitates collaborative solutions while reducing delay by pushing the network capabilities beyond the edge. By leveraging diversity, RRHs may cooperate through silencing, reducing interference, or joint transmission strategies such as maximal ratio transmission. We derive closed-form outage probability expressions and attain their diversity gain. We validate the derived analytical results through extensive numerical simulations. Furthermore, we propose a mini-slots-based scheduling framework to serve URLLC users within their fixed latency budget. In an interference-limited regime with the proposed scheduling framework, we show that a performance gain is superior when RRHs cooperate compared to when they do not. We briefly discuss the cost of reliability, i.e., the impact on the system's average sum throughput under cooperation. Moreover, numerical results verify that cooperating transmission schemes boost transmission reliability with a significantly improved latency performance at the cost of reduced system's average sum throughput.

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“…Remark 1: In the scenario where N > 1 and d i,0 = d n,0 for i = n, the distribution of Y can be obtained as [45] f Y (y)…”

Section: K} and Ymentioning

confidence: 99%

Fog-RAN Enabled Multi-Connectivity and Multi-Cell Scheduling Framework for Ultra-Reliable Low Latency Communication

et al. 2022

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“…Co-channel interference (CCI) has a tremendous impact on cellular-like systems, especially when the same frequency is used in every cell [3]. Hence, research related to the IC has gained much attention in recent years.…”

Section: Introductionmentioning

confidence: 99%

The cognitive null control engine for next generation wireless networks

Mar

Kuo

2012

2012 12th International Conference on ITS Telecommunications

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This article has provided an intelligent interference cancellation (IC) technique in spatial domain that can be employed in the future cognitive wireless network. The cognitive null control engine is proposed to control the number of nulls of software defined radio (SDR) digital beamformer (DBF) in order to maintain the receiver bit error rate (BER) below 10 -5 over the changing interference and angular spread environments. Due to complexity consideration, the cognitive null control engine is considered to be implemented in the base station receiver of next generation wireless networks.

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“…We found one contribution to such mixed MIMO cases in [6] where the authors simulated a hexagonal cellular network layout and collected SINR as well as bit error rate statistics. Another related work appears in [7], which only considers signal-to-interference ratio (SIR) without channel noise and does not tackle outage probability. Performance of OSTBC under various MIMO interference has been analyzed in [8]- [10].…”

mentioning

confidence: 99%

“…Performance of OSTBC under various MIMO interference has been analyzed in [8]- [10]. Similar to [7] the authors analyzed SIR distributions with neither noise nor outage probability. A simulation study that included antenna correlation is given in [11].…”

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confidence: 99%

Higher Rank Interference Effect on Weak Beamforming or OSTBC Terminals

Cierny

Ding

Wichman

2015

IEEE Trans. Wireless Commun.

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User performance on a wireless network depends on whether a neighboring cochannel interferer applies a single (spatial) stream or a multi stream transmission. This work analyzes the impact of interference rank on a beamforming and orthogonal space-time block coded (OSTBC) user transmission.We generalize existing analytical results on signal-to-interference-plus-noise-ratio (SINR) distribution and outage probability under arbitrary number of unequal power interferers. We show that higher rank interference causes lower outage probability, and can support better outage threshold especially in the case of beamforming.

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Statistical Analysis of MIMO Beamforming With Co-Channel Unequal-Power MIMO Interferers Under Path-Loss and Rayleigh Fading

Cited by 22 publications

References 30 publications

Fog-RAN Enabled Multi-Connectivity and Multi-Cell Scheduling Framework for Ultra-Reliable Low Latency Communication

Fog-RAN Enabled Multi-Connectivity and Multi-Cell Scheduling Framework for Ultra-Reliable Low Latency Communication

The cognitive null control engine for next generation wireless networks

Higher Rank Interference Effect on Weak Beamforming or OSTBC Terminals

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