Method and device for channel estimation of common-frequency cell
A channel estimation and same-frequency cell technology, applied in multiplex communication, baseband system components, electrical components, etc.
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[0098] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0099] Example of Estimating Three Cells
[0100] Referring to FIG. 1, FIG. 1 shows a structural diagram of a channel estimation apparatus 100 for estimating three cells. These include the following components:
[0101] Three 2×128 storage units 110, 118, and 126 are used to store 1×128 complex sequence respectively, that is, the received signal s restored by the three cells 1 , s 2 and s 3 . the s 1 , s 2 and s 3 The initial value is set to all 0.
[0102] The receiving signal Midamble training code (Midamble code) generation device 102 extracts the channel training sequence part of the receiving signal to form 128-chip data.
[0103] For three different cells, each cell has an independent branch for processing, each branch includes the following components and works according to the following process:
[0104] Firs...
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