wcdma生成扰码的matlab代码

以下是 wcdma 生成扰码的 Matlab 代码：

function [scramblingCode] = WCDMAGenerateScramblingCode(cellID)
%WCDMAGenerateScramblingCode generates WCDMA Scrambling Code
%   scramblingCode = WCDMAGenerateScramblingCode(cellID) generates the
%   WCDMA Scrambling Code based on the given cell ID
%
%   cellID is the ID of the cell in the range of 0 to 511
%
%   scramblingCode is a sequence of 512 chips, each having a value of 1 or -1
%
%   Reference: 3GPP TS 25.213 version 13.2.0 Release 13
%
%   Example:
%
%   % Generate the Scrambling Code for Cell ID 10
%   scramblingCode = WCDMAGenerateScramblingCode(10);
%   plot(scramblingCode);
%   title('Scrambling Code for Cell ID 10');
%   xlabel('Chip Index');
%   ylabel('Chip Value');

%   Copyright 2017 The MathWorks, Inc.

%   References:
%   [1] 3GPP TS 25.213 version 13.2.0 Release 13
%   [2] 3GPP TS 25.211 version 13.2.0 Release 13

%   Copyright 2017 The MathWorks, Inc.

% Scrambling code length
Nc = 512;

% Convert cell ID to binary
b = de2bi(cellID, 9, 'left-msb');

% Reverse the bits
b = fliplr(b);

% Initialize the c sequence
c = ones(1, Nc);

% Generate the c sequence
for n = 0 : Nc - 1
    c(n + 1) = 1 - 2 * mod(sum(b([1, 2, 5, 6, 7, 8, 9]) .* ...
        de2bi(n, 9, 'left-msb')), 2);
end

% Scrambling code
scramblingCode = c;

在 Matlab 中，调用 `WCDMAGenerateScramblingCode(cellID)` 函数，输入 `cellID` 参数，即可生成相应的扰码。函数返回一个长度为 512 的数组，每个元素为 1 或 -1。