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10 × 70.4-Gb/s dynamic FBMB/CAP PON based on remote energy supply
This study introduces a dynamic filter bank multi-band carrier-less amplitude/phase modulation (FBMB/CAP) passive optical network (PON) for efficient bandwidth allocation. It demonstrates high-speed data transmission for numerous users with remote energy supply.
Area of Science:
- Optical Networking
- Telecommunications Engineering
- Signal Processing
Background:
- Passive Optical Networks (PONs) are crucial for broadband access.
- Dynamic bandwidth allocation and remote energy supply are key challenges in PONs.
- Carrier-less Amplitude/Phase Modulation (CAP) offers spectral efficiency.
Purpose of the Study:
- To propose and demonstrate a dynamic filter bank multi-band CAP (FBMB/CAP) PON system.
- To enable multi-granularity bandwidth allocation and dynamic wavelength scheduling.
- To investigate the system performance with remote energy supply and single side-band (SSB) modulation.
Main Methods:
- Implementation of a 10 × 70.4Gb/s FBMB/CAP-16 system.
- Utilizing a filter bank for multi-granularity bandwidth allocation of CAP bands.
- Employing dynamic wavelength scheduling with varying split ratios at the optical distribution network.
- Incorporating remote energy supply and single side-band (SSB) modulation.
Main Results:
- Demonstration of 10 × 6 band FBMB/CAP-16 downstream signals.
- Data rates per band ranging from 4Gb/s to 19.2Gb/s.
- Support for up to 480 potential users.
- Investigation of system penalty caused by dynamic scheduling.
Conclusions:
- The proposed FBMB/CAP PON system effectively supports dynamic wavelength scheduling and multi-granularity bandwidth allocation.
- The system demonstrates high-speed data transmission capabilities for a large number of users.
- The feasibility of remote energy supply and SSB modulation in such dynamic PONs is confirmed.
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