Research Topics![]() VOIP over HSxPA. Real-time services have tigth requirements of quality of service and delay in the communication channel. ToT researchs on the configuration and parameters needed to offer a real-time service such as VoIP over HSxPA channels. Resource management in LTE. LTE introduces a new challenge in the resource management due to the special characteristics of OFDM (Orthogonal Frequency Division Multiplexing). In OFDM frequency and time slots are dinamically assigned to each user employing a certain modulation and coding scheme. ToT researchs on innovative solutions to interference coordination between base stations and algorithmics that fully exploit MIMO (Multiple-input Multiple-output) techniques.
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