System Components

Hitless Automatic Adaptive Modulation (HAAM)

• Configurable min/max modulation
• Complete history of HAAM events is captured
• Maintains high throughput during regular conditions
• Highest priority services are maintained by Horizon Priority Queuing
• Provides significant increase in network capacity without adding spectrum or changing existing antennas
• Once RSL levels hit a threshold, the system automatically switches to an intermediate modulation during rain or multi-path fade

Power Over Ethernet

 

Bandwidth Accelerator Compression(BAC)

A combination of signal processing techniques including:

• White space suppression
• Bulk compression (lossless)
• Header optimization

Drives significant capacity and spectral efficiency gains over existing microwave systems

• Ultra-low delay (<100us)
• Capacity gain is traffic dependent
• Substitute for ATM cell processing

Statistical multiplexing between cell sites further increases effective spectral efficiency

• 2 to 4 fold increase over CBR

How BAC works

• This feature can be turned on/off for individual queues
• Wire-speed lossless bulk data compression technology
• Existing behavior of the queuing system and air interface is preserved
• Typically compression gain of 30-40% and up to 100% depending on traffic mix
• Ethernet frame data is compressed using the Lempel Ziv Ross Williams algorithm