| Delay and dropout are important parameters in Networked Control System (NCS). They influence to overall control system performance. The characteristic of delay and dropout that occur in the network should be considered on NCS implementation. Global System for Mobile (GSM) technology is advantage alternative on wide coverage and easy deployment to provide connection through internet network. Live performance testing of GSM network commonly looks at the quality of service parameters, such as throughput, jitter, and packet loss. Those parameters are not enough for considering NCS implementation. The goal of this research is to find the properties of one-way delay and dropout of every single data packet and the performance of the High Speed Packet Access (HSPA) network regarding to NCS needed application design. Testing has done by observing each data packet sent to the destination. The delay and dropout as a function of the data size and Transmission Time Interval are analyzed. The amount of delay and dropout are influenced by speed availability of mobile operator. The result from this test had 60 kbps average internet speed and with 800 Byte of data size, 1000 packets transmitted on interval of 100 ms, the delay and dropout increased significantly up to 9.5 s of delay and 43% of dropout. This paper recommended data size and transmission time interval under 600 Byte and 100 ms to keep delay and dropout at low level. |
