LigoWave MACH 5 Manual de Usario

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iPoll 3
Wireless Internet service provider Linkfor, operating in Belgogrod region, is a client of LigoWave‘s distributor in Russia - WMD.
Linkfor has over 3300 commercial clients in total and 345 of those clients are connected with LigoWave devices.
Linkfor recently set up a network with 72 CPEs connected to LigoDLB 5 -90 base-station with an integrated dual-polarized 90
degree sector antenna. The base station comes with a 18 dBi dual-polarized 90° sector antenna. All of the CPEs used for this
network were LigoDLB 5 – 15s. The devices were operating in iPoll 3 mode. LigoWave’s iPoll 3 PTMP (point-to-multipoint) pro-
prietary protocol is an innovative solution to eliminate transmission congestion and close cluster interference created in PTMP
wireless installations.
The throughput was measured to be between 55 and 60 Mbps with all 72 CPEs connected. Linkfor offers the following plans for
their customers: 8 Mbps, 6 Mbps and 4 Mbps. The distribution of clients with different speed plans was set as follows: 8 Mbps
for 10% of clients, 6 Mbps for 20% of clients and 4Mbps for 70% of clients.
Stats
Firmware version APCPE.QM-1.v7.54-DEVEL.17819
Mode Access point (iPoll 3)
Channel width 20 MHz
Number of connected CPEs 72 (LigoDLB 5-15)
CPE distances 10% - 2.5-3 km/1.5-1.8 miles
50% - 3-4 km/1.8-2.4 miles
40% - 4-5 km/2.4-3 miles
Customer service Internet access
The distribution of speed plans
10 %
20 %
70 %
8 Mbps 6 Mbps 4 Mbps
COPYRIGHT ©2016 LIGOWAVE
CASE STUDY
Signal, dBm -55 / -60 -60 / -65 -65 / -70
Percentage of CPEs within this signal 16 % 60% 24%
Common Tx rate, Mbps 115 115 86
Common Rx rate, Mbps 130 104 104
The table above shows signal levels and data rates of the client devices connected to the LigoDLB 5-90 base-station
within 5 km range. 16% of the devices fall into the category of signal levels of -55/-60, achieving common Tx/Rx rates
115/130 Mbps. More than half of the CPEs reached a signal level of -60/-65 with the common Tx/Rx rates of 115/104
Mbps. And 24% of the CPEs reached the signal level of -65/-70 dBm with the common Tx/Rx rate of 85/104 Mbps. The
signal levels of even the most distant clients are within the acceptable range with the 15 dBi antenna gain.
Tower
LigoDLB 5-90
Tower
Map of the deployment area
Signal levels and data rates of CPEs connected to the AP within 5 km/3 mile distance
COPYRIGHT ©2016 LIGOWAVE
COPYRIGHT ©2016 LIGOWAVE
The graph above shows the throughput history of the AP with 70+ clients. The average throughput in the middle of the
day is around 15 Mbps. During the evening period when client activity reaches its peak it can be seen that maximum
throughput can reach up to 55 Mbps. It is important to mention, that AP is operating on a 20 MHz channel width.
50 M
40 M
30 M
20 M
10 M
bites / s
18 19 20 21 22 23 24
MikroTik_X86_Volokonovka - Traffic - CS50
Inbound
Outbound
Current: 2.74 M
Current: 19.72 M
Average: 1.31 M
Average: 15.21 M
Maximum: 5.65 M
Maximum: 54.62 M
Weekly (30 Minute Average)
The second graph is taken during the evening period when network activity is the highest. Usually in asymmetric links the
downlink takes the highest portion of the wireless medium. In this case 75% of wireless medium is taken by the downlink.
This is trafc coming from the AP to the CPEs. This is normal when clients are browsing or downloading various content
from the Internet. The speed plans for customers are limiting both the upload and download speed. The upload is more
limited compared to the download which is common practice in asymmetric link installations.
50 M
40 M
30 M
20 M
10 M
bites / s
18:40 19:00 19:20 19:40 20:00 20:20 20:40 21:00 21:20 21:40 22:00 22:20
MikroTik_X86_Volokonovka - Traffic - CS50
Inbound
Outbound
Current: 1.61 M
Current: 21.36 M
Average: 2.16 M
Average: 30.06 M
Maximum: 5.92 M
Maximum: 53.18 M
Hourly (1 Minute Average)

Especificaciones del producto

Marca: LigoWave
Categoría: punto de acceso
Modelo: MACH 5

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