Low-complexity Optimal Scheduler for LTE Over LAN Cable

Naqvi, Syed Hassan Raza; Jabeen, Shahida; Ho, Pin Han

doi:10.1109/nana.2018.8648729

Cited by 2 publications

(2 citation statements)

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“…twisted-pairs, hence enabling an efficient usage of the LAN cable bandwidth [11]- [14]. An alternative formulation/solution to the RoC wired-wireless resource scheduling problem has been recently presented for 4G systems [16], and then extended to 5G New Radio (NR) indoor architectures [17,18].…”

Section: In This Context C-ran With Analog Fh Based On Local Area Net...mentioning

confidence: 99%

“…This wiredwireless resource allocation strategy, denoted as Space-Frequency to Space-Frequency (SF2SF) multiplexing, has been shown to minimize interference among signals carried over different 4 twisted-pairs, hence enabling an efficient usage of the LAN cable bandwidth [11]- [14]. An alternative formulation/solution to the RoC wired-wireless resource scheduling problem has been recently presented for 4G systems [16], and then extended to 5G New Radio (NR) indoor architectures [17,18].…”

Section: Introductionmentioning

confidence: 99%

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Analog MIMO Radio-over-Copper: Prototype and Preliminary Experimental Results

Matera

Rampa

Donati

et al. 2019

2019 16th International Symposium on Wireless Communication Systems (ISWCS)

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Analog Multiple-Input Multiple-Output Radio-over-Copper (A-MIMO-RoC) is an effective allanalog FrontHaul (FH) architecture that exploits any pre-existing Local Area Network (LAN) cabling infrastructure of buildings to distribute Radio-Frequency (RF) signals indoors. A-MIMO-RoC, by leveraging a fully analog implementation, completely avoids any dedicated digital interface by using a transparent end-to-end system, with consequent latency, bandwidth and cost benefits. Usually, LAN cables are exploited mainly in the low-frequency spectrum portion, mostly due to the moderate cable attenuation and crosstalk among twisted-pairs. Unlike current systems based on LAN cables, the key feature of the proposed platform is to exploit more efficiently the huge bandwidth capability offered by LAN cables, that contain 4 twisted-pairs reaching up to 500 MHz bandwidth/pair when the length is below 100 m. Several works proposed numerical simulations that assert the feasibility of employing LAN cables for indoor FH applications up to several hundreds of MHz, but an A-MIMO-RoC experimental evaluation is still missing. Here, we present some preliminary results obtained with an A-MIMO-RoC prototype made by low-cost all-analog/all-passive devices along the signal path. This setup demonstrates experimentally the feasibility of the proposed analog relaying of MIMO RF signals over LAN cables up to 400 MHz, thus enabling an efficient exploitation of the LAN cables transport capabilities for 5G indoor applications. A. Matera, M. Donati and U. Spagnolini are with DEIB, Politecnico di Milano

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