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Research Article

A High-Speed and Low-Energy-Consumption Processor for SVD-MIMO-OFDM Systems

Table 3

Instructions.

Index Operation

0 Complex addition
1 Complex subtraction
2 Complex multiplication
3 Real multiplication
4 Accumulative complex addition
5 Accumulative complex subtraction
6 Accumulative complex multiplication
7 Accumulative real multiplication
8 Real division
9 Square-root operation
10 Squared absolute value
11 Accumulative squared absolute value
12 Hermitian multiplication
13 Initialization for the Newton method
14 Complex conjugate
15 Data copy
16 Initialization in CORDIC arctangent
17 Repetition in CORDIC arctangent
18 Initialization in CORDIC sine and cosine
19 Repetition in CORDIC sine and cosine
20 Merge real and imaginary parts
21 Extraction of real part
22 Extraction of imaginary part
23 Extraction of sign parts
24 Conversion from integer to floating-point format
25 Conversion from floating-point format to integer