| 摘要 |
A method and device for channel estimation in an Orthogonal Frequency Division Multiplexing (OFDM) system are disclosed. The method includes steps as follows: A, grouping Physical Resource Blocks (PRBs) in bandwidth of the OFDM system; B, extracting at least one from the groups to perform channel estimation, and obtaining channel coefficients, wherein the number of the extracted groups is less than the number of the total groups; C, accomplishing multi-input multi-output (MIMO) demodulation with the obtained channel coefficients. D, judging whether the channel estimation of groups is completed, if yes, ending, otherwise returning to step B. By dividing PRBs in the bandwidth of the OFDM system into some groups and then performing channel estimation in turn separately with each group of resource blocks, with the device, the storage sharing is realized, and thereby the storage is saved. |
