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:

QQ图片20141011174004.jpg

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:

QQ图片20141011174620.jpgQQ图片20141011174708.jpg
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:

QQ图片20141011175002.jpg
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:

图片2.jpg
Setting:
A total of 7 floors(base-2 floors, ground-5 floors), with SigWell equipped in 6th floor of elevator shaft.
Results: 

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

5. Residential Scenario:
 图片3.jpg

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:
图片4.jpg

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.

30th June, 2021
(Spain Time: 8:00-10:30 China Time:14:00-16:30 )
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