# 3G Introduction of the internet (email, web browsing, etc.) required ## Basic Requirements - Bit rates up to 2 Mbps - [Quality of Service](Quality%20of%20Service.md) - delay sensitive to flexible best efforts - For video - can tolerate 10% [bit error rate](bit%20error%20rate.md) - Heterogeneous error rate requirements - Email - delay insensitive but error sensitive ## Classes 1. Conversational class 2. Streaming class 3. Interactive class 4. Background class  [^1] # References [^1]: [TELE4652-lecture-00](../../03%20-%20University/TELE4652/Lectures/TELE4652-lecture-01.pdf)