As mobile network architectures evolve to support ever increasing bandwidth demands and to provide enhanced coverage, both outdoors and indoors, innovative synchronization solutions are required.
Synchronization requirements are also getting more stringent in the next generation 4G LTE-TDD and LTE-A infrastructure. Qulsar’s Managed Timing Engine (MTE) Module M60 series, is a fullpacket network based synchronization engine, designed for applications that require distribution of frequency and phase synchronization from edge nodes such as a Carrier Ethernet demarcation point, or macro base station that is aggregating traffic from small cells or substation clocks in power utility smart grids. The M60 series can also be used to build Time Servers or Edgemaster clocks to synchronize a small cell cluster.
The M60 series consists of two members – the M64 and the M68. The M64 provides PTP ordinary clock operation, operation, allowing it to act as a PTP master or slave. The M68 enhances this by adding a gateway clock capability. The M68 can operate as a traditional two-port boundary clock but in addition can take its time source from a local GNSS receiver to allow combined PTP and GNSS operation.
The M60 series modules provide dual Ethernet ports capable of supporting operation up to one gigabit per second and with wire-speed traffic pass through. This means that the M64 or M68 can be inserted into an existing traffic link without disrupting the traffic flow.
For rapid ‘turnkey’ integration, the P60 provides an M68 mounted on a ready-to-use carrier board with all the necessary external interfaces available on various connectors.
The M60 series module has industry leading algorithms that enable it to extract precise time from a remote master over a real-world network in which the timing packets experience packet delay variation (PDV) caused by multiple switches handling interacting traffic flows.
In addition, the M60 series has cutting edge patented technology that allows simultaneous operation with both PTP and a local GNSS-based source of time. The ability to use multiple synchronization inputs is particularly powerful in today’s applications, where a host system may need to be versatile and deployable in diverse environments.
1 ITU-T G.8261 tests conducted at both Qulsar internal labs and 3rd party labs – details available on request
Input Synchronization Interfaces
Output Synchronization Interfaces
ToD Format (output)
2 With industry standard PDV profiles and network conditions.
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