Title :
EDGE circuit switched data-an enhancement of GSM data services
Author :
Hamiti, Shkumbin ; Hakaste, Markus ; Moisio, Martti ; Nefedov, Nikolai ; Nikula, Eero ; Vilpponen, Hannu
Author_Institution :
Nokia Res. Center, Espoo, Finland
Abstract :
One step in the evolution of the real-time GSM services is the enhanced circuit switched data (ECSD) which is being developed in ETSI as a GSM Phase 2+ work item (EDGE Phase 1) parallel to the Enhanced General Packet Radio Service (EGPRS). The ECSD radio interface deploys 8-PSK modulation in addition to GMSK and thus enables higher data throughput per time slot. This paper gives an overview of the ECSD concept and examples of applications that it supports. The focus is in the link level and the radio network level performance of different ECSD data rates in various test environments. It is shown that by utilising the proper link adaptation mechanism, even demanding transparent high data rate services, like video, can be supported with a good coverage
Keywords :
cellular radio; circuit switching; data communication; minimum shift keying; phase shift keying; 8-PSK modulation; ECSD radio interface; EDGE Phase 1; EDGE circuit switched data; EGPRS; Enhanced General Packet Radio Service; GMSK; GSM Phase 2+ work item; GSM data services; data throughput; enhanced circuit switched data; enhanced data rates for GSM evolution; evolution; high data rate services; link adaptation mechanism; link level; radio network level performance; real-time GSM services; video; 3G mobile communication; GSM; Packet radio networks; Packet switching; Radio network; Speech; Switching circuits; Telecommunication standards; Testing; Throughput;
Conference_Titel :
Wireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-5668-3
DOI :
10.1109/WCNC.1999.796975
