name: AMR
full_form: Adaptive MultiRate
context: eight. Figure 10.2-1: HSDPA throughput v.s. Number of voice users per cell for legacy R99, E-WCDMA and E-WCDMA with TDM in PA3 Figure 10.2-2: HSDPA throughput v.s. Number of voice users per cell for legacy R99, E-WCDMA and E-WCDMA with TDM in VA30 Table 10.2-2: BE (HSDPA) UE throughput gain summary The Tx Ec/Ior per cell used by voice users in PA3 and VA30 are shown in Figure 10.2-3 and Figure 10.2-4. As seen in the figures, there is a loss in Tx Ec/Ior used by voice users in E-WCDMA with TDM when compared with those of E-WCDMA. However, Table 10.2-3 presents that more SF-16 codes can be saved for HSDPA when TDM is introduced. Due to more effective usage of code resouce, the throughput in E-WCDMA with TDM is higher when the number of voice users per cell is lager than eight. Figure 10.2-3: Tx Ec/Ior per cell used by voice users in PA3 Figure 10.2-4: Tx Ec/Ior per cell used by voice users in VA30 Table 10.2-3: Available SF-16 OVSF code for HSDPA In addition, the percentage of voice
description: Adaptive MultiRate (AMR) is a technology used in WCDMA systems for controlling and adapting the transmission rate of voice and data traffic based on the available network resources and channel conditions. It involves the AMR mode control function, which detects the need for adaptation and initiates procedures to change the current AMR mode to optimize resource utilization.
explanation: AMR is classified as a Technology because it refers to a specific method or approach used in WCDMA systems for managing transmission rates. The context highlights its role in controlling resources and adapting to channel conditions, which are key aspects of telecommunications technology.
section_title: 11.1	AMR mode control
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