Distance-Adaptive Path Allocation in Elastic Optical Path Networks

被引：1

作者：

Kozicki, Bartlomiej ^{[1
]}

Takara, Hidehiko ^{[1
]}

Tanaka, Takafumi ^{[1
]}

Sone, Yoshiaki ^{[1
]}

Hirano, Akira ^{[1
]}

Yonenaga, Kazushige ^{[1
]}

Jinno, Masahiko ^{[1
]}

机构：

[1] NTT Corp, NTT Network Innovat Labs, Yokosuka, Kanagawa 2390847, Japan

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2011年 / E94B卷 / 07期

关键词：

all-optical networks; fiber optics links and subsystems; adaptive modulation; quadrature-amplitude modulation; quadrature phase-shift keying;

D O I：

10.1587/transcom.E94.B.1823

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We describe a concept and realization of distance-adaptive (DA) resource allocation in spectrum-sliced elastic optical path network (SLICE). We modify the modulation format and cross-connection bandwidth of individual fixed-bit rate optical paths to optimize performance with respect to transmission distance. The shorter paths are allocated a smaller amount of resources which allows reducing the spectrum occupied by the channel. We show in calculation a reduction in required spectral resources of more than 60% when compared to the traditional traffic allocation schemes based on ITU-T grid. The concept is verified experimentally.

引用

页码：1823 / 1830

页数：8

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