SIM-SIM - What is GPRS

html version [/light/eng/gprs_.php] українська версія | русская версия / Services / What is GPRS UMC Сompany UMC UMC Business What is GPRS GPRS (General Packet Radio Service) is the technology of the speed package radio transmission in the GSM network. GPRS Benefits: High average data transmission is 20-40 Kb per second; GPRS service rates do not depend on how lengthy the connection was; Speedy and stable GPRS connection; Option to talk over the phone and exchange SMS messages with no need to disconnect GPRS; Efficient use of the power of your phone during the GPRS connection. Specifics of GPRS When using GPRS data is formed into packets transformed in parallel by a group of radio channels; radio channels may be used consequently by a group of users; Voice calls enjoy the higher priority than the GRPS connection, therefore the transmission of data packets may occur only when radio channels are free from voice calls; GPRS is adjustable with all most common protocols of the packet data transfer (TCP/IP, X.25 etc); The speed of transfer of packet data depends on: The channel encoding scheme implemented in GPRS network (the UMC network applies the CS2 encoding scheme that ensures the speed of up to 13.4 Kb per second per radio channel); The amount of radio channels on receipt and transfer of data that can be simultaneously support the phone; How the network is busy where the data is transmitted; Quality of network where the data is transmitted. GPRS-Equipment To start using the GPRS services, you are required to hold a mobile phone supporting GPRS. Моbile phones with the GPRS support are grouped into three classes: А Class Phones – voice call and data transfer may be performed simultaneously; B Class Phones – voice call and data transfer may not be performed simultaneously (during a voice call or SMS message the transfer of data packets is suspended to continue as the call ends or SMS message is received); C Class phones – phones support the transfer of data packets only. GPRS – Mobile Technologies for Your Success! search Subscribe the news Ask expert "); //--> Print version © Copyright UMC 2001-2007