Abstract:
Channel estimation accuracy is improved by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a corresponding physical data channel allocated to the same receiver. The physical control channel may be a DPCCH, E-DPCCH or other type of physical control channel allocated to a receiver for facilitating uplink or downlink communication. Regardless, the control channel power level is optimized for channel estimation as a function of data transmission rate and/or transport format. In one embodiment, control channel symbols are transmitted for use in channel estimation by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a physical data channel allocated to the receiver (200). Control channel symbols are transmitted to the receiver over the physical control channel at the adjusted power level (202). The receiver uses the control channel symbols to perform channel estimation (204).
Abstract:
The present invention provides a solution for maintaining a reliable power control in a telecommunications network during soft handover between a serving and non serving base station when a dedicated physical control channel power is boosted due to an increased data rate.
Abstract:
Channel estimation accuracy is improved by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a corresponding physical data channel allocated to the same receiver. The physical control channel may be a DPCCH, E-DPCCH or other type of physical control channel allocated to a receiver for facilitating uplink or downlink communication. Regardless, the control channel power level is optimized for channel estimation as a function of data transmission rate and/or transport format. In one embodiment, control channel symbols are transmitted for use in channel estimation by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a physical data channel allocated to the receiver (200). Control channel symbols are transmitted to the receiver over the physical control channel at the adjusted power level (202). The receiver uses the control channel symbols to perform channel estimation (204).
Abstract:
Procedimiento de transmitir símbolos para su uso en la estimación de canal, que comprende: ajustar el nivel de potencia de un canal de control físico dedicado mejorado asignado a un receptor en respuesta a un cambio en el formato de transporte de un canal de datos físico dedicado mejorado asignado al receptor (200); y transmitir símbolos del canal de control al receptor sobre el canal de control físico dedicado mejorado al nivel de potencia ajustado para su uso mediante el receptor al realizar la estimación de canal (202).
Abstract:
In a system and method of adapting an ECSD connection, interruption times and data loss due to a change in the modulation, coding scheme, and number of timeslots of the connection may be minimized or eliminated. The interruption times and data loss may be minimized or eliminated by allocating a peak number of substreams for a given mobile radio connection based on a user requested data rate and/or the number of timeslots used to realize the user requested data rate. Data loss may also be minimized or eliminated by using in-band signaling to signal a change in the modulation, coding scheme, and/or number of timeslots.
Abstract:
Channel estimation accuracy is improved by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a corresponding physical data channel alloca ted to the same receiver. The physical control channel may be a DPCCH, E-DPC CH or other type of physical control channel allocated to a receiver for fac ilitating uplink or downlink communication. Regardless, the control channel power level is optimized for channel estimation as a function of data transm ission rate and/or transport format. In one embodiment, control channel symb ols are transmitted for use in channel estimation by adjusting the power lev el of a physical control channel allocated to a receiver based on the transm ission rate and/or transport format of a physical data channel allocated to the receiver (200). Control channel symbols are transmitted to the receiver over the physical control channel at the adjusted power level (202). The rec eiver uses the control channel symbols to perform channel estimation (204).