Time division-long term evolution (TD-LTE) channel estimation system

• Main Authors: ZHANG XINHONG, TANG YONGQING
• Format: Patent
• Language: Chinese; English
• Published: 22.05.2013
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The utility model discloses a time division-long term evolution (TD-LTE) channel estimation system which comprises a channel encoder, a signal modulator, a serial-parallel conversion unit, a first guide frequency data synchronous generator, an inverse fast Fourier transform (IFFT) converter, a cyclic prefix insertion device, a digital-to-analog converter, a radio frequency transmitting unit, a transmitting antenna, a receiving antenna, a radio frequency receiving unit, an analog-to-digital converter, a cyclic prefix remover, a fast Fourier transform (FFT) converter, a second guide frequency data synchronous generator, a multi-phase filter group, a channel estimator, a parallel-serial conversion unit, a signal demodulator and a channel decoder. The TD-LTE channel estimation system is mainly applied to channel estimation in TD-LTE wireless communication, overcomes the defect that channel estimation accuracy is low in the prior art, and has the advantages of being stable in estimation performance, rapid in proce