Half Rate

Half Rate

? Half rate codec strategy was developed to enhance capacity around two times.

? Two MS practically share the same resource.

? 8kpbs instead of 16 kpbs is used for E1 transmission.

?The BSC allocates full-rate channels or half-rate channels based on the service type, service requirement, and cell load

? BSC also adjusts between full rate and half rate ratio based on parameters.

? Half rate channel may some time reduce quality level—differs while using AMRHR.

? VAMOS is the latest technology which uses 4 users/TS