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Aperto®’s Spectral Efficiency
Band
Vendor
Raw Bit Rate
Channel Size
Spectral Efficiency
All Bands

Aperto PacketWave®

20 mbps

6 MHz

3.3 bps/Hz

5.8 GHz

Proxim Tsunami Multipoint®

20/40/60 mbps

20 MHz

1/2/3 bps/Hz

Others

10 mbps

20 MHz

0.5 bps/Hz

3.5 GHz

Alvarion BreezeACCESS® OFDM

12 mbps

7 MHz

1.71 bps/Hz

Alvarion BreezeACCESS® II

3 mbps

6/7 Channels of 2 MHz each

0.25 bps/Hz

2.5 GHz

IP Wireless

9 mbps

10 MHz

0.9 bps/Hz

Nextnet Expedience®

3.2 mbps

6 MHz

0.53 bps/Hz

 
Spectrum is the most precious resource that a wireless operator has, and being able to pack more bits into a smaller chunk of spectrum, leads to the following benefits:
 
  • More spectrum left over for future capacity expansion.
  • In license exempt bands, more flexibility in finding clean spectrum.
  • Lower co-channel interference in a multi-cell deployment, due to greater separation between cells using the same channels.