Abstract
for using interference cancellation (IC) to improve the technology of capacity of the wireless communication system. in the early decoding and IC it is transmitted to the base station from the user frame is decoded before the base station receives the whole frame. the rest part of the frame may then be reconstructed at the base station before it is received and eliminated from the received signal to reduce the interference of the frame received from the other users. for decoding in advance and power control aspects of the IC the power control target level at the local base station can response to successfully early decoded frame is adjusted without affecting the whole outer loop power control operation. Other aspects include late decoding techniques for probability using signals of other users of the IC to improve decoding of the frame of a given user and traffic channel demodulation using channel estimation techniques.
Techniques for improving the capacity of a wireless communications system using interference cancellation (IC). In an early decoding and IC aspect a frame transmitted from a user to a base station may be decoded prior to the entire frame being received by the base station. The remaining portion of the frame may then be re-constructed at the base station prior to its reception and cancelled from the receive signal to reduce the interference to frames received from other users. In a power control aspect for early decoding and IC the power control target level at a local base station may be adjusted in response to successfully early decoding a frame without affecting the overall outer loop power control operation. Further aspects include late decoding techniques for utilizing the IC of other users signals to improve the probability of decoding a given users frames as well as techniques for traffic channel demodulation using channel re-estimation.
Techniques for improving the capacity of a wireless communications system using interference cancellation (IC). In an early decoding and IC aspect a frame transmitted from a user to a base station may be decoded prior to the entire frame being received by the base station. The remaining portion of the frame may then be re-constructed at the base station prior to its reception and cancelled from the receive signal to reduce the interference to frames received from other users. In a power control aspect for early decoding and IC the power control target level at a local base station may be adjusted in response to successfully early decoding a frame without affecting the overall outer loop power control operation. Further aspects include late decoding techniques for utilizing the IC of other users signals to improve the probability of decoding a given users frames as well as techniques for traffic channel demodulation using channel re-estimation.
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| US2014187248A1 | 3G | 05/10/2015 | ISLD-201510-005 | QUALCOMM INC | Yes | Family Member | ||||
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Technologies
Power Control
Product
Use Cases
Wireless communication
Services
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