Service Type

Characteristics

Applications

Unsolicited Grant Services (UGS)

Supports real-time data streams consisting of fixed packet sizes at periodic intervals.

Telephony, VolP

Real-time Polling Service (rtPS)

Supports real-time data streams consisting of variable packet sizes at periodic intervals.

Streaming audio or video

Extended Real-time Polling Service (ErtPS) Mobile WiMAX only-

Supports real-time data streams with low jitter tolerance

VolP with activity detection

Non-real-time Polling Service (nrtPS)

Supports delay-tolerant data with variable packet sizes and a minimum data-rate requirement

FTP file transfers

Best Effort (BE)

Supports data streams with no minimum service level requirement

Web browsing data transfer