Electronic device and modulation method
The present disclosure provides an electronic device and a modulation method. The electronic device includes: a receiving unit, which is configured to obtain a first input bit sequence; and a control unit, which is configured to perform pseudo N-order first type modulation on the first input bit sequence, wherein N first symbols that may be obtained by means of the pseudo N-order first type modulation are a portion of second symbols that may be obtained by means of M-order second type modulation, M and N are positive integers, and M is greater than N.
1 . An electronic device, comprising:
a receiver configured to obtain a first input bit sequence;
a controller configured to perform pseudo N-order first-type modulation including power normalization processing on the first input bit sequence to obtain N first symbols, the pseudo N-order first-type modulation is N-order first-type modulation based on M-order second-type modulation, wherein
the N first symbols obtainable by the pseudo N-order first-type modulation are part of M second symbols obtainable by M-order second-type modulation, wherein M and N are positive integers, and M is greater than N;
a transmitter configured to transmit the N first symbols to another electronic device;
wherein, according to the pseudo N-order first-type modulation, a bit-to-symbol mapping is performed in units of p first bits;
according to the M-order second-type modulation, a bit-to-symbol mapping is performed in units of q second bits;
for the same symbol obtained according to the pseudo N-order first-type modulation and according to the M-order second-type modulation, a part of the p first bits is a function of at least a part of the q second bits, wherein p and q are positive integers, and q is greater than p.
2 . The electronic device of claim 1 , wherein
the controller performs the pseudo N-order first-type modulation on the first input bit sequence according to a bit-to-symbol mapping formula or a bit-to-symbol mapping table.
3 . The electronic device of claim 1 , wherein
the bit-to-symbol mapping formula or the bit-to-symbol mapping table of the pseudo N-order first-type modulation corresponds to the bit-to-symbol mapping formula or the bit-to-symbol mapping table of the M-order second-type modulation.
4 . The electronic device of claim 2 , wherein
for the same symbol obtained according to the pseudo N-order first-type modulation and according to the M-order second-type modulation, the p first bits are the same as the first p second bits of the q second bits.
5 . The electronic device of claim 4 , wherein
the bit-to-symbol mapping table of the pseudo N-order first-type modulation corresponds to the bit-to-symbol mapping table of the M-order second-type modulation.
6 . The electronic device of claim 1 , further comprising:
the receiver configured to receive modulation and coding strategy signaling,
the controller to perform the pseudo N-order first-type modulation on the first input bit sequence according to the modulation and coding strategy signaling and a predetermined modulation and coding strategy table, wherein
the first-type modulation is APSK modulation,
the predetermined modulation and coding strategy table at least include parameters regarding pseudo N-order APSK modulation.
7 . The electronic device of claim 6 , wherein
the predetermined modulation and coding strategy table is a table regarding some or all of modulation and coding strategies supported by a communication system where the electronic device is located.
8 . A modulation method comprising:
obtaining a first input bit sequence;
performing pseudo N-order first-type modulation including power normalization processing on the first input bit sequence to obtain N first symbols, the pseudo N-order first-type modulation is N-order first-type modulation based on M-order second-type modulation, wherein
the N first symbols obtainable by the pseudo N-order first-type modulation are part of second symbols obtainable by M-order second-type modulation, wherein M and N are positive integers, and M is greater than N;
transmitting the N first symbols to another electronic device;
wherein, according to the pseudo N-order first-type modulation, a bit-to-symbol mapping is performed in units of p first bits;
according to the M-order second-type modulation, a bit-to-symbol mapping is performed in units of q second bits;
for the same symbol obtained according to the pseudo N-order first-type modulation and according to the M-order second-type modulation, a part of the p first bits is a function of at least a part of the q second bits,
wherein p and q are positive integers, and q is greater than p.
9 . The method of claim 8 , wherein
the pseudo N-order first-type modulation is performed on the first input bit sequence according to a bit-to-symbol mapping formula or a bit-to-symbol mapping table.