Granted Patent B2

US 12,562,951 · App. 18/468,986 · Granted Feb 24, 2026

Inventors: Seokwon Yang (Daejeon, KR); Song Min Kim (Daejeon, KR); Minseok Kim (Daejeon, KR)

Assignees: Samsung Electronics Co., Ltd.; Korea Advanced Institute of Science and Technology

H04L27/3863H04L5/0005H04L25/03859H04L27/3405

Abstract

Claims (46)

1 . An electronic device comprising:

a communication module configured to transmit at least one signal according to a first communication protocol;

a memory configured to store a lookup table including waveform information; and

a processor configured to,

reference the lookup table in the memory to determine simulation waveform information simulating a second communication protocol different from the first communication protocol,

control the communication module to generate the at least one signal configured for Orthogonal Frequency-Division Multiplexing (OFDM) based on the simulation waveform information, the at least one signal corresponding to the first communication protocol, and

transmit the at least one signal through the communication module, the at least one signal including a data packet.

2 . The electronic device of claim 1 , wherein the processor is configured to:

determine a plurality of simulation waveform candidates based on the first communication protocol; and

select a first simulation waveform candidate with a smallest Quadrature Amplitude Modulation (QAM) quantization error among the plurality of simulation waveform candidates, the simulation waveform information corresponding to the first simulation waveform candidate.

3 . The electronic device of claim 2 , wherein the processor is configured to determine the plurality of simulation waveform candidates by adjusting a total phase rotation quantity of a target signal based on the second communication protocol.

4 . The electronic device of claim 3 , wherein the second communication protocol includes demodulation based on a phase difference between adjacent samples of a received signal.

5 . The electronic device of claim 2 , wherein the processor is configured to determine the plurality of simulation waveform candidates by adjusting a phase difference magnitude between samples of a target signal based on the second communication protocol.

6 . The electronic device of claim 2 , wherein the processor is configured to determine the plurality of simulation waveform candidates by adjusting an amplitude of a target signal based on the second communication protocol.

7 . The electronic device of claim 1 , wherein the second communication protocol comprises one of ZigBee® or Bluetooth®.

8 . The electronic device of claim 1 , wherein the first communication protocol comprises WiFi®.

9 . An operating method of an electronic device including a communication module, a processor and a memory, the operating method comprising:

determining, by the processor, a plurality of simulation waveform candidates based on a first communication protocol;

selecting, by the processor, a first simulation waveform candidate having a smallest quadrature amplitude modulation (QAM) quantization error among the plurality of simulation waveform candidates;

storing, by the memory, a lookup table including waveform information corresponding to the first simulation waveform candidate;

referencing, by the processor, the lookup table in the memory to determine simulation waveform information simulating a second communication protocol different from the first communication protocol;

controlling, by the processor, the communication module to generate at least one signal configured for Orthogonal Frequency-Division Multiplexing (OFDM) based on the simulation waveform information, the at least one signal corresponding to the first communication protocol; and

transmitting, by the communication module, the at least one signal including a data packet.

10 . The operating method of claim 9 , wherein the at least one signal is generated to be differentially demodulated by a reception device based on the second communication protocol.

11 . The operating method of claim 9 , wherein the determining, by the processor a plurality of simulation waveform candidates comprises determining the plurality of simulation waveform candidates by adjusting a total phase rotation quantity of a target signal based on the second communication protocol.

12 . The operating method of claim 9 , wherein the determining, by the processor a plurality of simulation waveform candidates comprises determining the plurality of simulation waveform candidates by adjusting a phase difference magnitude between samples of a target signal based on the second communication protocol.

13 . The operating method of claim 9 , wherein the determining, by the processor a plurality of simulation waveform candidates comprises determining the plurality of simulation waveform candidates by adjusting an amplitude of a target signal based on the second communication protocol.

14 . The operating method of claim 9 , wherein the second communication protocol comprises one of ZigBee® or Bluetooth®.

15 . The operating method of claim 9 , wherein the first communication protocol comprises WiFi®.

16 . A communication system comprising:

an electronic device including a memory, a processor, and a communication module, the electronic device operating according to a first communication protocol; and

a reception device operating according to a second communication protocol,

wherein the electronic device is configured to,

store, by the memory, a lookup table including waveform information,

reference, by the processor, the lookup table in the memory to determine simulation waveform information simulating the second communication protocol different from the first communication protocol,

control, by the processor, the communication module to generate at least one signal modulated according to a Wi-Fi Standard based on the simulation waveform information, the at least one signal corresponding to the first communication protocol, and

transmit, by the communication module, the at least one signal to the reception device, the at least one signal including a data packet, and

wherein the reception device is configured to differentially demodulate the at least one signal based on the second communication protocol.

17 . The communication system of claim 16 , wherein the processor is configured to:

determine a plurality of simulation waveform candidates based on the first communication protocol; and

select a first simulation waveform candidate with a smallest Quadrature Amplitude Modulation (QAM) quantization error among the plurality of simulation waveform candidates, the simulation waveform information corresponding to the first simulation waveform candidate.

18 . The communication system of claim 16 , wherein the processor is configured to determine a plurality of simulation waveform candidates by adjusting a total phase rotation quantity of a target signal based on the second communication protocol.

19 . The communication system of claim 18 , wherein the reception device is configured to demodulate the at least one signal into:

a first bit value in response to a phase difference between samples of the at least one signal increasing; and

a second bit value in response to the phase difference between the samples of the at least one signal decreasing.

20 . The communication system of claim 16 , wherein the second communication protocol comprises one of ZigBee® or Bluetooth®.

Assignments (1)

Priority Claims (1)

Continuity (2)

References Cited (15)