Multi-Wavelength WiMAX–PONs With Overlapping Cells

An access network architecture integrating standard wireless signal formats over multi-wavelength splitter passive optical networks (PONs) based on radio-over-fiber (RoF) technology is demonstrated. Frequency division multiplexing (FDM) is applied to address individual base stations sharing a single wavelength. The extended wavelength band overlay overcomes the need for complex dispersion compensation techniques as it avoids the use of high frequency subcarriers in the FDM window. Also, it achieves enhanced network scalability compared with previously reported converged architectures as well as reduced component cost. Significantly, extended features of wireless networks have been presented through the application of overlapping cells to overcome the wireless spectrum congestion beyond current deployment scenarios and provide resilience for legacy PONs. To evaluate the network transmission characteristics, multiple IEEE802.16d channels, with 70 Mbits/s downstream and 40 Mbits/s upstream data rates, are frequency shifted around the same RF carrier and transmitted on two different wavelengths. The obtained results have demonstrated error vector magnitudes (EVMs) of -31 dB at optical network unit/base-station (ONU/BS) remote antenna inputs and minimum 10-4 bit error rates (BERs) bidirectionally over combined 20 km and faded 330 m overlapping micro-cell circumferences without any error coding or relay techniques. The application of a low-cost long-wavelength vertical cavity surface emitting laser (VCSEL) array in upstream for colorless transmission demonstrated 0.7 dB power penalty to the received worldwide interoperability for microwave access (WiMAX) channels in the optical line terminal (OLT).

[1]  Pandelis Kourtessis,et al.  Interoperability of GPON and WiMAX for network capacity enhancement and resilience , 2009 .

[2]  Carlos Bock,et al.  Integrated Optical Wireless Access: Advanced topologies for future access networks , 2009, 2009 11th International Conference on Transparent Optical Networks.

[3]  Stefan Parkvall,et al.  LTE PART II : 3 GPP RELEASE 8 , 2009 .

[4]  Stefan Parkvall,et al.  LTE: the evolution of mobile broadband , 2009, IEEE Communications Magazine.

[5]  B. Mukherjee,et al.  Hybrid Wireless-Optical Broadband-Access Network (WOBAN): A Review of Relevant Challenges , 2007, Journal of Lightwave Technology.

[6]  Ieee Microwave Theory,et al.  IEEE Standard for Local and Metropolitan Area Networks Part 16: Air Interface for Fixed Broadband Wireless Access Systems Draft Amendment: Management Information Base Extensions , 2007 .

[7]  Rodney S. Tucker,et al.  Scalability of RSOA-based multiwavelength Ethernet PON architecture with dual feeder fiber , 2007 .

[8]  Larry J. Greenstein,et al.  An empirically based path loss model for wireless channels in suburban environments , 1999, IEEE J. Sel. Areas Commun..

[9]  Robert W. Heath,et al.  The future of WiMAX: Multihop relaying with IEEE 802.16j , 2009, IEEE Communications Magazine.

[10]  Thomas Pfeiffer,et al.  Next-generation PON-part II: Candidate systems for next-generation PON , 2009, IEEE Communications Magazine.

[11]  M. Amann,et al.  1.55-$\mu$m VCSEL Arrays for High-Bandwidth WDM-PONs , 2008, IEEE Photonics Technology Letters.

[12]  A. Agata,et al.  IEEE 802.3av 10G-EPON Standardization and Its Research and Development Status , 2010, Journal of Lightwave Technology.

[13]  Ieee Microwave Theory,et al.  Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems — Amendment for Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands , 2003 .

[14]  Source John Liebetreu.  Project IEEE 802.16 Broadband Wireless Access Working Group , 2000 .

[15]  A. Nirmalathas,et al.  Internetworking VCSEL-Based Hybrid Base Station Towards Simultaneous Wireless and Wired Transport for Converged Access Network , 2008, IEEE Photonics Technology Letters.

[16]  Sassan Ahmadi,et al.  An overview of next-generation mobile WiMAX technology , 2009, IEEE Communications Magazine.

[17]  Mikael Gidlund,et al.  Techno economical Study for Open Horizontal IPTV in the Access and Home Networks - From a Swedish Perspective , 2008 .

[18]  Junichi Kani,et al.  Next-generation PON-part I: Technology roadmap and general requirements , 2009, IEEE Communications Magazine.

[19]  Jichai Jeong,et al.  Performance Limitations of Subcarrier Multiplexed WDM Signal Transmissions Using QAM Modulation , 2009, Journal of Lightwave Technology.

[20]  M. Maier,et al.  WDM Passive Optical Networks and Beyond: the Road Ahead [Invited] , 2009, IEEE/OSA Journal of Optical Communications and Networking.