Construction method of channel information quantization codebook in multi-antenna system and device thereof
A multi-antenna system and channel information technology, which is applied to the construction of channel information quantization codebooks in multi-antenna systems, can solve problems such as poor dual-polarization channel performance, complex dual-polarization channels, and lack of strong correlation.
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Embodiment 1
[0167] Eight adaptive dual-polarization correlation channel codeword construction u in 8-antenna Rank2 1 ~ u 8 It is eight 4-dimensional vectors as shown in Table 2 below:
[0168] Table 2
[0169] u 1 =[1 1 1 1]
u 5 =[1 q0 j q1]
u 2 =[1 j -1 -j]
u 6 =[1 q1 -j -q0]
u 3 =[1 -1 1 -1]
u 7 =[1 q2 j q3]
u 4 =[1 -j -1 j]
u 8 =[1 q3 -j q2]
[0170] in: q 0 = ( 1 + j ) / 2 ; q 1 = ( - 1 + j ) / 2 ; q 2 = ( - 1 - j ) / 2 ; ...
Embodiment 2
[0178] N-adaptive dual-polarization correlation channel codeword construction in 8-antenna Rank2
[0179] Select 16 4-dimensional vector u 1 ~ u 16 , for any n
[0180]
[0181] θ n = - π 2 + ( n - 1 ) π N , n = 1 ~ N
[0182] construct codeword
[0183] CW n = u n u n u n - u n ...
Embodiment 3
[0185] N adaptive dual-polarization correlation channel codeword construction in 8-antenna Rank1
[0186] Select N 4-dimensional vector u 1 ~ u n , method is the same as embodiment 1 or embodiment 2
[0187] Transmitter Antenna Polarization is the most common scenario, when the receiving end is a laptop or mobile phone placed vertically. At this time, the code word is constructed as
[0188] RW n = u n u n , n = 1 ~ N
[0189] If the receiver is polarization
[0190] RW n = u n j ...
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