Alvarion BreezeMAX Si 4000 CPE, Руководство пользователя

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Chapter 1 - Product Description Specifications
BreezeMAX Si 4000 CPE 9 User Manual
Antenna Type
Two WiMAX antennas or high gain widebeam antenna, depending
on model
Channel Bandwidth
2.5GHz - 5.00 and 10.00 MHz
3.5GHz - 5.00, 7.00, and 10.00 MHz
Modulation Technique

Scaleable OFDMA employing Time-Division Duplex (TDD)
mechanism

PRBS subcarrier randomization

Contains pilot, preamble, and ranging modulation
FEC Coding Rates

Up Link and Down Link: QPSK, 16 QAM, 64 QAM

QPSK and 16QAM - 1/2 and 3/4

64QAM - 1/2, 2/3, 3/4, 5/6
TPL (Transmit Power Level)
27 dBm typical (maximum)
Transmit Power Dynamic Range
45 dB
Channel Step Size
In 250 kHz steps
Synchronization
Referenced to the WiMAX BTS Timing Module
Frequency Accuracy
MRCT Compliant
Air Interface
IEEE 802.16e Wireless MAN-OFDMA
TDD Duty Cycle (Tx/Rx)
Rx up to 75% , Tx up to 50%
SISO or MIMO
MIMO (1TX, 2RX)
Regulatory Compliance
FCC parts 15, 25, 27
Frame Duration
5 msec.
RF Transmitter Specifications
RF dynamic range
45dB minimum
Transmit Power Control Relative
Accuracy
mRCT compliant
Transmit and Receive Switching
Gap
50

S
RF Receiver Specifications
Impedance
50 ohms nominal
Input return loss
10dBi
Table 1-3: WiMAX Radio Specifications
Item Description