參數(shù)資料
型號(hào): AHA4541A-PQC
廠商: Electronic Theatre Controls, Inc.
英文描述: 311 MBITS/SEC TURBO PRODUCT CODE ENCODER/DECODER
中文描述: 311 Mbits /秒Turbo乘積碼編碼/解碼器
文件頁(yè)數(shù): 2/4頁(yè)
文件大?。?/td> 217K
代理商: AHA4541A-PQC
comtech
aha
corporation
CODE TYPES
Table 1 shows a partial list of the codes supported by this product. Note that this is not a complete list
of base codes. In addition, each of the codes listed can be shortened to achieve smaller block size with only
minor changes to code rate.
Table 1:
Partial Code List
*
Estimated Coding Gain is measured on a Binary Input Additive White Gaussian Noise (AWGN) channel at 10
-6
Bit
Error Rate (BER) with maximum decoder iterations that support a data rate of 311 Mbps. Only TPC codes with
code rates above 0.86 meet the 311 Mbps data rate.
enhanced TPC (includes hyper diagonal axis).
+
Figure 1:
Turbo Product Code Encoder/Decoder
CODE
(X)x(Y)x(Z)
BLOCK SIZE
(bits)
16384
16384
16384
16384
8192
8192
8192
8192
4096
4096
2048
2048
1024
DATA SIZE
(bits)
16002
15120
14400
12825
7874
7440
6840
5850
3906
3249
1890
1482
676
RATECODING GAIN
(dB)
4.3*
5.5*
6.6*
7.2
4.4*
5.5*
6.8
7.2
4.5*
7.1
4.5*
6.9
6.3
(128,127)x(128,126)+
(128,120)x(128,126)+
(128,120)x(128,120)
(64,57)x(16,15)x(16,15)
(128,127)x(64,62)+
(128,120)x(64,62)+
(128,120)x(64,57)
(32,26)x(16,15)x(16,15)
(64,63)x(64,62)+
(64,57)x(64,57)
(64,63)x(32,30)+
(64,57)x(32,26)
(32,26)x(32,26)
0.977
0.923
0.879
0.783
0.961
0.908
0.84
0.714
0.954
0.793
0.923
0.724
0.660
REC_DATA
XMIT_DATA
Soft
Metric
Computation
Descrambler
Constellation
Mapper
Microprocessor Interface,
Control and Status
Registers
AHA4541
uP_INT
DECODER
ENCODER
Sync
Insertion
Scrambler
CRC
Verification
CRC
Insertion
TPC
Decoder
TPC
Encoder
DEC_DATA
ENC_DATA
Sync
Detection
Helical
Interleaver
Helical
Deinterleaver
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