Product
SigWell
Device:System
Vendor: China Mobile
Overview
Brief introduction
Enhance the signal strength of GSM and TD-LTE by wireless backhaul simultaneously, and to support WLAN subsequently.
2 types of SigWell product to support different bands, with unit price below 300 USD, with the aim of enhancing the signal strength of GSM and TD-LTE by wireless backhaul simultaneously, and to support WLAN subsequently.
Application scenarios
Improve coverage for blind spots or weak area: private residence, shops, underground garage, elevator shaft, etc., with max indoor coverage of around 1000 square meters.
Parameter
Overview of CMRI self-R&D product: SigWell
Key specs
Mode: TD-LTE,TD-SCDMA,GSM;RF Path: 1 Tx/1 Rx
Frequency: Band 39+GSM900 or Band 41+GSM900
Transmit Power: TD-LTE Band 39/41:DL 50mW,UL 10mW; GSM900:DL 20mW,UL 20mW
Gain: TD-LTE Band 39/41:≥65dB,GSM900:≥60dB
Sync: Baseband sync, sensitivity: RSRP≥-116dBm
Volume/Weight: ≤1.3L/1Kg
LED Indicators: Running, RF Power, Sync, Alarm
Test Results of SigWell
Test scenarios: Basement , Ferry, Business Office, Elevator, Residence, Office Tower
1.Basement scenario:
Setting: Hangzhou office building basement (75 square meters)
Results:
|
Before using SigWell |
After using SigWell |
|
|
LTE |
No service |
RSRP: -86dBm SINR: 17dB |
|
GSM |
No service |
Rx level: -78dBm voice quality : 0 |
2. Ferry scenario:
Setting: bottom floor (8m*8m) and 1st floor (15*8) of the ferry
Results:
RSRP improvements by about 20dB after use SigWell;
SINR: 18dB in 1st floor, 10dB in the bottom floor;
DL throughput: 20Mbps in 1st floor, 15Mbps in the bottom floor
3. Business Office Scenario:
Setting: business office of Chinamobile in Xian, (about 500 square meters)
Results:
|
Average |
Before using SigWell |
After using SigWell |
|
RSRP |
-108dBm |
-87dBm |
|
SINR |
0.93 |
9.72 |
|
DL throughput |
6.07Mbps |
19Mbps |
|
UL throughput |
0.83Mbps |
6.7Mbps |
4. Elevator Scenario:
Test sites RSRP DL throughput UL throughput Rx level(GSM) 5th floor -93dBm 18Mbps 4.5Mbps -67 3rd floor -94dBm 15Mbps 4.5Mbps -73 -2nd floor -100dBm 16Mbps 4.5Mbps 19Mbps 
Setting: A total of 7 floors(base-2 floors, ground-5 floors), with SigWell equipped in 6th floor of elevator shaft.
Results:
5. Residential Scenario:
Setting: apartment in 2nd floor in Tianjin (95 square meters)
Results: after SigWell deployment
RSRP: -72dBm~-80dBm, with 25dB improvement
· SINR: 10dB, with 11.6dB improvement.
6. Office Tower Scenario:
Setting: 29th floor of office tower
Results: after SigWell deployment
LTE: -90dBm~-100dBm RSRP, with 15dB improvement .
GSM: -50~-75dBm Rx level, with 25dB improvement.
