Sony Ericsson Walkman W200 White Paper page 25

Dimension
Support of GPRS/CS combined
procedures
Network control mode
Support of access in 2 phases
Support of PRACH on 11 bits
Support of GPRS re-selection C31/
C32
Support of static and dynamic
addressing
Support of power control Uplink
and Downlink
Support of ciphering algorithms
Support of compression algorithms Yes, V42bis and IP header
Support of the QoS modification
procedure
Downlink data rate
Uplink data rate
Mode of operation
R Reference point
IP connectivity
Application
QoS
Support
Yes
NC0 and 2
Yes
Yes
Yes
Yes
Uplink = yes, Downlink is a network feature
GEA1, GEA2
compression
Yes, when initiated by the network (not by the phone)
Up to 85.600 bps for packet data communication, using 4 time
slots in coding scheme CS-4
Up to 42,800 bps for packet data communication, using 2 time
slots in coding scheme CS-4
Class B and Class C modes of operation supported
Physical layer: Support of RS232.
PPP is supported as L2 layer in the R reference point.
Authentication algorithms PAP, CHAP supported.
PDP type IP is supported.
IP termination in mobile or TE (laptop, PDA) supported.
WAP over GPRS supported (UDP/IP and GPRS-SMS).
SMS over GPRS supported (SMS-MT, SMS-MO).
QoS negotiation supported. Default requested QoS sent by the
phone at PDP context activation is reliability Class 3.
Peak/Mean/Delay/Precedence.
Class: subscribed.
Precedence class supported (1,2,3).
Reliability class 1-5 supported.
Delay classes supported (1,2,3,4).
Mean and peak throughput rate limited by multi slot class 4 and
CS-4.
25
White paper W200
April 2007