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CDMA网络架构和基本原理
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CDMA信道结构与调制
CDMA关键技术;CDMA基本原理;多址技术的概念;;CDMA是码分多址; CDMA含义和实现
扩频通信定义、特点及分类
CDMA中使用的扩频码
;CDMA扩频原理; 扩频通信的特点和分类; CDMA含义和实现
扩频通信定义、特点及分类
CDMA中使用的扩频码
;扩频码速率:1.2288Mcps;
扩频码:前向为Walsh码和PN短码,反向为PN长码。;Walsh码的定义;WALSH CODES
# ---------------------------------- 64-Chip Sequence ------------------------------------------
0 0000000000000000000000000000000000000000000000000000000000000000
1 0101010101010101010101010101010101010101010101010101010101010101
2 0011001100110011001100110011001100110011001100110011001100110011
3 0110011001100110011001100110011001100110011001100110011001100110
4 0000111100001111000011110000111100001111000011110000111100001111
5 0101101001011010010110100101101001011010010110100101101001011010
6 0011110000111100001111000011110000111100001111000011110000111100
7 0110100101101001011010010110100101101001011010010110100101101001
8 0000000011111111000000001111111100000000111111110000000011111111
9 0101010110101010010101011010101001010101101010100101010110101010
10 0011001111001100001100111100110000110011110011000011001111001100
11 0110011010011001011001101001100101100110100110010110011010011001
12 0000111111110000000011111111000000001111111100000000111111110000
13 0101101010100101010110101010010101011010101001010101101010100101
14 0011110011000011001111001100001100111100110000110011110011000011
15 0110100110010110011010011001011001101001100101100110100110010110
16 0000000000000000111111111111111100000000000000001111111111111111
17 0101010101010101101010101010101001010101010101011010101010101010
18 0011001100110011110011001100110000110011001100111100110011001100
19 0110011001100110100110011001100101100110011001101001100110011001
20 0000111100001111111100001111000000001111000011111111000011110000
21 0101101001011010101001011010010101011010010110101010010110100101
22 0011110000111100110000111100001100111100001111001100001111000011
23 01101001011010011001011010010110011
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