User's Manual
Table Of Contents
- 1 Preface
- 2 Overview
- 3 Features
- 3.1 Main Features
- 3.2 Adaptive Coding and Modulation (ACM)
- 3.3 Transmit Power Control (TPC)
- 3.4 2x2 Multiple-input and Multiple-output (2x2 MIMO)
- 3.5 Dynamic Frequency Selection (DFS)
- 3.6 Dynamic Channel Selection (DCS)
- 3.7 Retransmission
- 3.8 Configurable Uplink/Downlink Ratio
- 3.9 Quality of Service (QoS)
- 3.10 Power over Ethernet
- 3.11 Synchronization
- 3.12 Co-site Synchronization
- 3.13 OFDM Modulation
- 3.14 Low-density Parity Check (LDPC) Encoding
- 3.15 LLDP
- 3.16 Radio Port Performance Monitoring
- 3.17 Adaptive Noise Immunity (ANI)
- 4 Mechanical Structure and Interfaces
- 5 Product Structure
- 6 Management
- 7 Technical Specification
- 8 Standards
60
DragonWave Inc.Technical Specification
7.4 Latency
The following tables show the latency of Lite.
20 MHz/
GI:800 ns/
Tx Ratio:
30
Throughput (Mbps)
Frame
Size
BPSK 1/2 QPSK 1/2 QPSK 3/4 16QAM
1/2
16QAM
3/4
64QAM
2/3
64QAM
3/4
64QAM
5/6
64 1.11 3.74 5.70 8.33 15.50 20.97 25.91 28.38
128 1.11 4.17 5.65 8.33 15.50 20.27 25.04 27.43
256 1.11 4.17 6.07 8.33 14.97 20.27 25.04 27.43
512 1.11 3.81 6.01 8.94 15.50 20.27 25.04 27.43
1024 1.11 4.10 6.01 8.94 15.50 20.27 25.04 27.43
1280 1.11 4.17 6.01 8.94 15.50 20.27 25.04 27.43
1518 1.11 4.10 6.01 8.94 15.50 20.27 25.04 27.43
Table 44
Ethernet L2 Rx throughput of 70/30 Tx/Rx ratio (20 MHz/ GI:800 ns)
40 MHz/
GI:400 ns
Latency (ms)
MCS BPSK
Coding
1/2
QPSK
Coding
1/2
QPSK
Coding
3/4
16 QAM
Coding
1/2
16 QAM
Coding
3/4
64 QAM
Coding
2/3
64 QAM
Coding
3/4
64 QAM
Coding
5/6
64 4.02 4.97 1.72 1.59 1.76 1.80 1.79 1.92
128 3.47 3.78 1.55 1.71 1.65 1.67 1.82 1.83
256 3.22 3.65 1.57 1.67 1.74 1.75 1.73 1.84
512 3.42 3.55 1.62 1.67 1.75 1.75 1.69 1.84
1024 3.84 3.74 1.75 1.63 1.65 1.67 1.70 1.84
1280 3.60 3.89 1.86 1.86 1.69 1.69 1.67 1.84
1518 3.69 3.81 1.89 1.84 1.69 1.77 1.71 1.84
Table 45
Latency - 50/50 Tx/Rx Ratio 40 MHz/GI:400 ns