SMCT Channel Service Technology. (SMCT : Space Mobility Communication Service)
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1 SMCT Channel Service Technology (SMCT : Space Mobility Communication Service)
2 Introduction
3 M2M SMCT Channel Technology Data Insertion into Silence Section of Voice Channel and Data Transmission Service (Telecommunication consists of Voice Activity 42.5% + Silence 47.5%) SMCT Channel Wireless Modem Voice + Data Control Center Remote Terminals Data Only Voice Data
4 M2M SMCT Channel Technology The Best Communication Solution for M2M Service in Real Time Bandwidth : Max 1,200Bytes/sec(9.6Kbps) SMCT Channel System Mobile Network Center IP? Tel. No : : N SMCT Channel Terminal Terminal
5 M2M SMCT Channel Technology Service Architecture Terminal Mobile Modem Mobile Network SMCT Switch IP Network Service Server Data Processing Module Voice Codec Voice Codec Data Processing Module User Data Voice and Data Insertion/Separation Voice and Data Insertion/Separation User Data Voice Channel Data SMCT(Voice+Data) Data
6 Problem and Solution
7 Problems 1(SMS Paging) Remote Device Step 1?? SMS URL Sending Failures/Retry in paging Devices with SMS CDMA Modem Step 2 SMS Server Packet Network Access Delays & Failures in sending SMS Real time not guaranteed due to delays or failures in paging
8 Solution 1 Phone Number Remote Device Voice Calling CDMA Modem SMCT Data Transmission SMCT Server Realtime Access Guarantee
9 Problem 2 (Additional Equipment) Additional COST and Inconvenience Modem Pool (Equipment, Operation & Maintenance, Modem Lines) Remote Device(CDMA Modem) Mobile Network Regular Report Center (Server) IP? P2P connections Node A Node N Node B Node D Modem Pool Systems Node C
10 Solution 2 Intelligent Platform(Cost Efficiency) Tel No.: : N Access Tel No.: IP SMCT Call (Data Pull/Push) Switch System Tel No.: Tel No.:
11 Characteristics
12 Characteristics of SMCT Channel Mobile M2M SMCT IP Address Not Required In Paging Terminal Access multiple terminals simultaneously and Data Transmission / Receiving Compatible with Standard CDMA/ GSM/WCDMA Circuit Network Same level of QoS equivalent to Voice Call due to connection using SMCT Channel
13 Comparison : SMS+Packet vs SMCT Channel Items SMS URL Access Packet Networking SMCT Channel Connections & Time Failures & Delay in Connection Connection Failures & Disconnection(5~10%) Always Real-time Connection Max Bandwidth 600bps / 1,000bps 2Mbps 9,600bps Transmission Delay Various Delays Real Time Real Time Voice Support No No Yes Server Terminal Connection Terminal Terminal Connection Yes No Yes Yes No Yes
14 Applications
15 Taxi Assignment Through SMCT Channel connection, A most appropriate car will be assigned shortly. Arrival Process Closed ( Vacancy Notice) Taxi Call (Customer) Sending SMS Control System CID CID Request Call Receipt GIS- Based Taxi Assignment using SMCT Call Location Info Taxi Assignment Notice & Info (SMCT) Taxi Regular Report of Location Information using GPS Taxi Assignment Request Assignment Data Taxi Taxi Order Info Dispatch to the Cars near the Caller(SMCT Channel) Within 500m Taxi Assignment Confirmation or Cancellation Taxi
16 Taxi Assignment SMS Method SMCT Method Possibility of Delay or Missing Location Report Pre-assignment (SMS) Location Report Call Receipt 6 Sec Data Access Assignment 20~30 Sec Terminal Connection (Voice Channel) /Assignment One-shot Call Two Step Taxi Assignment - Service depends on SMS delivery quality - Missing & Delay issue One Step Taxi Assignment - Accurate Process within a short time - No Missing or Delay 2.5 times faster Taxi Assignment than SMS. Reduction of Call Center Operation Cost.
17 Remote Elevator Control Best Wireless M2M Data Service for Urgent Settings Change And Emergency Rescue in Real Time Mobile network Terminal Access Control in Real Time SMCT Channel (Data + Voice) Console(Raw Data Mode Service)
18 Electric Power Telemetry Remote Metering System for Korea Electric Power Corp (Current) Connection failures or disconnection of Modem-Server Low Reliability in Collecting Data CDMA Modem Metering Data Upload AMR System Collection Request of Missing Data Packet Network Mobile Network Power Meter Circuit Network Polling of Metering Data FEP Server (Modem Pool) 14 Regional Center Cost : Modem Pool Operation, Phone line cost to fill the missing data
19 Electric Power Telemetry SMCT Channel instead of P2P modems will eliminate modem pool operation & maintenance cost and modem line fee, and also improve management efficiency and field staffs convenience. Regular Report (Packet Data) Remote Metering System CDMA Modem Meter SMCT Channel Terminal Control Data Metering Data Polling IP Mobile Network Tablet Field Staff
20 Summary of SMCT Channel Service 1 IP Address Not Required In Paging Terminal 2 Access multiple terminals simultaneously and Data Transmission / Receiving 3 M2M Service for Emergency Control and Remote Monitoring requiring Speed, Accuracy and Cost Efficiency 4 Compatible with Standard CDMA/ GSM/WCDMA Circuit Network
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