... 10.1155/WCN/2006/74812 Error Control Coding in Low-Power Wireless Sensor Networks: When Is ECC Energy-Efficient?Sheryl L. Howard, Christian Schlegel, and Kris IniewskiDepartment of Electrical & Computer Engineering, ... required SNR ECC is less than SNRUby the cod-ing gain ECC gain. Also note that ηCBC= R and ηUB = R.The minimum required transmit power when using ECC, PTX ,ECC ,isgivenbyPTX ,ECC [W] = ... decoded on a trellis using either Viterbidecoding, MAP decoding, or sequential decoding.Another categorization is based on the decoding algo-rithms: (1) noniterative decoding algorithms, such...