Friday, April 11, 2014

SMART SMS : SMS COMPRESSION USING LZW COMPRESSION ALGORITHM IN ANDROID

        In this work we investigate the possibility of reliably sending a small file via Short Message Service (SMS) by using data compression for a more effective mobile data exchange in which basic GSM is the only available data communication option.
        The Short Message Service (SMS) is a fundamental facility in the GSM communication standard. It is also the simplest form of data communication and sometimes also the cheapest when a terminal has no CSD data channel. Every day, billions of SMSes are sent and received all over the world, bringing SMS to be one of the most used applications in the mobile communication arena. Usually SMS is used for private conversation, but many other applications use it, as for example online banking, mobile payment, etc.. A typical SMS is composed at most of 160 symbols (by using 7 bits per symbol in the GSM standard) or up to 140 bytes (for binary messages). This is a relevant limitation essentially due to the need to support the service also on devices with very limited hardware capabilities.
          So the SMS I am imported the LZW Algorithm in the SMS application. before sending the SMS, which is compressed by the LZW Based compression and Send to the recipient. The SMS is then decompressed  using the Same App.