From: Buffer-aided distributed space-time coding schemes and algorithms for cooperative DS-CDMA systems
Processing | Algorithm | Multiplications | Additions |
---|---|---|---|
Relay pair selection | Exhaustive search | 7K N L 3 | (2K N+K)L 3+2L |
 |  | −7K N L 2 | −(2K N+K+2)L 2 |
Relay pair selection | Greedy search | 21K N L 2 | 6K N L 2+3K L 2 |
 |  | −7K N L | −3K L−L+1 |
Channel estimation | Exhaustive search | (2N+1)K L | (2N−1)K L |
 | Greedy search |  |  |
Receive filter computation (RAKE) | Exhaustive search | 4N J | (4N−2)J |
 | Greedy search |  |  |