Product Info

WipLL Radio Technology - Physical Layer System Description

2-22 Airspan Networks Inc. 25030311-08

2.6.1. Main Technical Parameters

The main technical parameters required for RF planning for WipLL are summarized

in Table 2-10.

Table 2-10: Radio specifications

Parameter Value

Radio Technology FH-CDMA

Multiple Access Method

Proprietary Adaptive TDMA protocol (Preemptive

Polling Multiple Access – PPMA)

Output Power 27 dBm for all models, except for the following:

• WipLL 700: 32 dBm

• WipLL 900: 30 dBm (but when operating in

countries complying with FCC, max. is 23

dBm)

Sub-Channel Spacing

1 MHz or 1.75 MHz (1.75 MHz is possible only

for devices operating in the 3.5 GHz band)

Symbols per second (Msps) Two modes are supported:

• 1 Msps, or

• 1.33 Msps

Sub-Channel bandwidth (measured at 20 dB

attenuation point)

1 MHz or 1.33 MHz, depending on the selected

mode

Modulation Multilevel (2, 4, or 8) CPFSK

Receiver Sensitivity (BER 1E-6 at 2/4/8

FSK)

-90/ -83/ -75 dBm

SNR Thresholds (BER 1E-6 at 2/4/8 FSK) 12/ 20/ 28 dB

Interference Rejection Factor for 1.33 Msps

mode (1 Msps mode):

• ± 1 MHz

• ± 2 MHz

• ± 3 MHz

• 5 dB (7 dB)

• 30 dB (40 dB)

• 52 dB (53 dB)

The intermediate 4-FSK modulation is not supported when 1.33 Msps mode is

selected