| CPC H04L 27/04 (2013.01) [H04L 1/0047 (2013.01); H04L 27/2007 (2013.01)] | 20 Claims |

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1. A method of operating an electronic device which communicates with an external electronic device, the method comprising:
loading, by a first transmitting circuit of the electronic device, first user data including at least one first condition bit, at least two first valid bits, and at least two second valid bits;
generating, by the first transmitting circuit, first intermediate data and second intermediate data based on the first user data with reference to a target conversion rule of a conversion table of the electronic device, which corresponds to the at least one first condition bit, wherein a sum of a first power value corresponding to the first intermediate data and a second power value corresponding to the second intermediate data is less than or equal to a power threshold value;
generating, by the first transmitting circuit, first symbol data by performing first encoding on the first intermediate data;
generating, by the first transmitting circuit, second symbol data by performing second encoding on the second intermediate data; and
providing, by the first transmitting circuit, first encoded data including the first symbol data and the second symbol data to a first receiving circuit of the external electronic device.
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