Improving data capacity in cellular networks through utilizing partially overlapping channels

Ileri, O.; Hökelek, İbrahim; Arslan, Hüseyin; Ustunel, Eser

doi:10.1109/siu.2011.5929852

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Average Ber Analysis1

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2014

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“…To obtain theoretical (but tractable) BER analysis, a useful method for BER calculations introduced in [35] is combined with spatial PPP approaches [20], [21], [24]. First, BER is expressed along SINR given in (11). Then, its expected value is obtained considering otheruser interference.…”

Section: Average Ber Analysismentioning

confidence: 99%

Partially Overlapping Tones for Uncoordinated Networks

Şahin

Bala

Güvenç

et al. 2014

IEEE Trans. Commun.

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Abstract-In an uncoordinated network, the link performance between the devices might degrade significantly due to the interference from other links in the network sharing the same spectrum. As a solution, in this study, the concept of partially overlapping tones (POT) is introduced. The interference energy observed at the victim receiver is mitigated by partially overlapping the individual subcarriers via an intentional carrier frequency offset between the links. Also, it is shown that while orthogonal transformations at the receiver cannot mitigate the other-user interference without losing spectral efficiency, nonorthogonal transformations are able to mitigate the other-user interference without any spectral efficiency loss at the expense of self-interference. Using spatial Poisson point process, a tractable bit error rate analysis is provided to demonstrate potential benefits emerging from POT.

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