WO2022012632A1 - 信息发送方法、接收方法和通信设备 - Google Patents
信息发送方法、接收方法和通信设备 Download PDFInfo
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- WO2022012632A1 WO2022012632A1 PCT/CN2021/106522 CN2021106522W WO2022012632A1 WO 2022012632 A1 WO2022012632 A1 WO 2022012632A1 CN 2021106522 W CN2021106522 W CN 2021106522W WO 2022012632 A1 WO2022012632 A1 WO 2022012632A1
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
- H04L1/0034—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter where the transmitter decides based on inferences, e.g. use of implicit signalling
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- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
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- H04L1/0026—Transmission of channel quality indication
Definitions
- the present application belongs to the technical field of wireless communication, and specifically relates to an information sending method, a receiving method and a communication device.
- the Overlapped X-Domain Multiplexing (OVXDM)/Faster-than-Nyquist (FTN) technology artificially introduces inter-symbol interference in the time/frequency domain based on waveform coding theory.
- ISI Inter Symbol Interference
- ICI Inter Carrier Interference
- the waveform encoded signal puts forward higher requirements on the performance of the receiver, which increases the complexity of the decoding algorithm and the power consumption of the hardware.
- time-frequency domain overlap coefficient also called the number of time-domain overlap layers
- the more serious the artificially introduced ISI and ICI the more states need to be judged on the receiver side, and the more The higher the complexity of the algorithm.
- the receiver complexity of an OVTDM waveform grows exponentially with an increase in the time-domain overlap factor.
- the time when the wireless signal reaches the receiving antenna through different paths is different, that is, the multipath effect of transmission.
- the ISI is generated.
- each sub-carrier where the signal is located will have different degrees of offset in frequency, resulting in overlapping sub-carriers that may have been orthogonal, that is, ICI.
- the above-mentioned ISI/ICI generated in the signal transmission process is superimposed with the ISI/ICI introduced by waveform coding during transmission, which increases the decoding complexity and imposes higher requirements on the decoding capability of the receiver.
- the purpose of the embodiments of the present application is to provide an information sending method, a receiving method and a communication device, which can solve the problem of high decoding complexity.
- a method for sending information is provided, applied to a communication device, including:
- OVXDM or FTN waveform encoding is performed on the data, and encoded information is generated and sent, and the encoded information is generated and/or sent based on signal parameters;
- the signal parameters are adjusted according to the feedback information.
- a method for receiving information is provided, applied to a communication device, including:
- the encoded information sent by the sending end is generated by the sending end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or sent based on signal parameters;
- the feedback information is sent to the transmitting end, where the feedback information is used to adjust the signal parameter.
- an information sending device including:
- a first sending module configured to perform OVXDM or FTN waveform encoding on the data, generate and send encoded information, where the encoded information is generated and/or sent based on signal parameters;
- a first receiving module configured to receive feedback information sent by a receiving end of the encoded information
- An adjustment module configured to adjust the signal parameter according to the feedback information.
- the signal parameters include at least one of the following:
- K defined by OVXDM or K_2 defined by cascaded OVXDM
- the signal sending device further includes:
- the second sending module is configured to send first information to the receiving end, where the first information includes the signal parameter or the indication information of the signal parameter.
- the first information is sent in one of the following ways:
- the first information is sent in one of the following ways:
- the second sending module is configured to send a correspondence table between signal parameters and index values through a broadcast message; and send the index value of the signal parameter corresponding to the encoded information through a Dedicated-RRC message or DCI.
- the feedback information is second information or feedback information used to feedback whether the encoding information is successfully parsed
- the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a parameter in the channel that affects the equivalent ISI and/or the equivalent ICI;
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the second information is received in at least one of the following ways:
- the second information is received in at least one of the following ways:
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- the indication information of the suggested signal parameter is an index value of the signal parameter; the adjustment module is configured to, according to the received index value of the suggested signal parameter, look up the correspondence table between the signal parameter and the index value, and determine The signal parameter corresponding to the received index value; the current signal parameter is adjusted according to the signal parameter corresponding to the received index value.
- the correspondence table between the signal parameters and the index values is stipulated by a protocol or configured by the communication device.
- the indication information of the suggested signal parameter is indication information used to instruct to increase or decrease the signal parameter; the adjustment module is configured to step according to preset steps according to the indication information of the suggested signal parameter Increase or decrease the current signal parameter.
- the feedback information is feedback information for feeding back whether the encoding information is successfully parsed, and the feedback information includes a NACK message indicating that the encoding information was not successfully parsed; If the proportion or number of NACK messages within a period or within a preset number of subframes or time slots is greater than a preset threshold, adjust the signal parameters.
- the signal sending device further includes:
- a third sending module configured to send third information to the receiving end, where the third information includes adjusted signal parameters or indication information of the adjusted signal parameters.
- the third information is sent in one of the following ways:
- the third information is sent in one of the following ways:
- the signal sending apparatus further includes: a fourth sending module, configured to send a pilot signal, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal.
- a fourth sending module configured to send a pilot signal, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal.
- an information receiving device comprising:
- a first receiving module configured to receive encoded information sent by a sending end, where the encoded information is generated by the sending end performing OVXDM or FTN waveform encoding on data, and the encoded information is generated and/or sent based on signal parameters;
- a first determining module configured to decode the encoded information to determine feedback information
- a first sending module configured to send the feedback information to the sending end, where the feedback information is used to adjust the signal parameter.
- the signal parameters include at least one of the following:
- K defined by OVXDM or K_2 defined by cascaded OVXDM
- the feedback information is second information or feedback information used to feedback whether the encoding information is successfully parsed
- the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a parameter in the channel that affects the equivalent ISI and/or the equivalent ICI;
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the second information is sent by at least one of the following methods:
- the second information is sent by at least one of the following methods:
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- the signal receiving device further includes:
- a second receiving module configured to receive a pilot signal sent by the transmitting end, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal;
- a measurement module configured to measure the channel according to the pilot signal to obtain the channel measurement parameter.
- the signal receiving module further includes:
- a first obtaining module configured to obtain reference information, where the reference information includes at least one of the following: channel measurement parameters, bit error rate, and the capability of the communication device;
- the second determining module is configured to determine suggested signal parameters according to the reference information.
- the indication information of the suggested signal parameter is an index value of the signal parameter or indication information used to instruct to increase or decrease the signal parameter.
- the signal receiving module further includes:
- the third receiving module is used to receive the first information sent by the transmitting end, and the first information includes the signal parameter corresponding to the encoded information or the indication information of the signal parameter;
- the first determining module is configured to decode the encoding information according to a signal parameter corresponding to the encoding information indicated by the first information.
- the first information is received in one of the following ways:
- the communication device is a terminal in a side link
- the first information is received in one of the following ways:
- the third receiving module is configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end; and receive the encoding information sent by the sending end through a Dedicated-RRC message or DCI.
- the index value of the corresponding signal parameter is configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end; and receive the encoding information sent by the sending end through a Dedicated-RRC message or DCI.
- the index value of the corresponding signal parameter is configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end.
- the signal receiving module further includes:
- the fourth receiving module is configured to receive third information sent by the sending end, where the third information includes adjusted signal parameters or indication information of the adjusted signal parameters.
- the communication device is a terminal in the uplink and downlink
- the third information is received in one of the following ways:
- the first information is received in one of the following ways:
- an information receiving method including:
- the encoded information sent by the sending end is generated by the sending end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or sent based on signal parameters;
- the sending end receiving first information and encoded information sent by the sending end, where the first information includes a signal parameter corresponding to the encoded information or indication information of the signal parameter;
- the encoding information is decoded according to the signal parameter corresponding to the encoding information indicated by the first information.
- an information receiving apparatus including:
- a first receiving module configured to receive encoded information sent by a sending end, where the encoded information is generated by the sending end performing OVXDM or FTN waveform encoding on data, and the encoded information is generated and/or sent based on signal parameters;
- a second receiving module configured to receive first information sent by the sending end, where the first information includes a signal parameter corresponding to the encoded information or indication information of the signal parameter;
- a determining module configured to decode the encoding information according to the signal parameter corresponding to the encoding information indicated by the first information, and determine feedback information.
- the signal parameters include at least one of the following:
- K defined by OVXDM or K_2 defined by cascaded OVXDM
- the first information is received in one of the following ways:
- the communication device is a terminal in a side link
- the first information is received in one of the following ways:
- a method for sending information including:
- OVXDM or FTN waveform encoding is performed on the data, and encoded information is generated and sent, where the encoded information is generated and/or sent based on signal parameters, and the first information includes the signal parameters or indication information of the signal parameters.
- an information sending device comprising:
- a first sending module configured to send the first information
- the second sending module is configured to perform OVXDM or FTN waveform encoding on the data, generate and send encoded information, where the encoded information is generated and/or sent based on signal parameters, and the first information includes the signal parameters or the signal parameters instruction information.
- the signal parameters include at least one of the following:
- K defined by OVXDM or K_2 defined by cascaded OVXDM
- the first information is sent in one of the following ways:
- the first information is sent in one of the following ways:
- a communication device comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being implemented when executed by the processor.
- a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the information sending method described in the first aspect are implemented, or , implementing the steps of the information receiving method as described in the second aspect, or implementing the steps of the information receiving method as described in the fifth aspect, or implementing the steps of implementing the information sending method as described in the seventh aspect.
- a chip in a seventh aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or instruction, implementing the method as described in the first aspect.
- the sender of the encoded information can dynamically adjust the relevant signal parameters to generate and/or send the encoded information according to the feedback information of the receiver, so as to improve the transmission performance and control the decoding complexity of the receiver to ensure decoding. Do it correctly and efficiently.
- the transmitting end of the encoded information can indicate the signal parameters corresponding to the encoded information to the receiving end, and the receiving end determines the decoding algorithm according to the signal parameters, so as to control the decoding complexity of the receiving end and ensure that the decoding is performed correctly and efficiently.
- FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
- Figure 2 is a schematic diagram of a serially cascaded OVTDM implementation
- Fig. 3 is a schematic diagram of the comparison of signals without time-domain overlap and time-domain overlap
- FIG. 4 is a schematic flowchart of a signal sending method according to an embodiment of the present application.
- FIG. 5 is a schematic flowchart of a signal sending method according to another embodiment of the present application.
- FIG. 6 is a schematic diagram of a radio frame with pilots according to an embodiment of the present application.
- FIG. 7 is a schematic flowchart of a signal sending method according to another embodiment of the present application.
- FIG. 8 is a schematic flowchart of a signal receiving method according to an embodiment of the present application.
- FIG. 9 is a schematic flowchart of a signal receiving method according to another embodiment of the present application.
- FIG. 10 is a schematic flowchart of a signal receiving method according to another embodiment of the present application.
- FIG. 11 is a schematic diagram of an interaction flow between a transmitter and a receiver according to an embodiment of the application.
- FIG. 12 is a schematic diagram of an interaction flow between a transmitter and a receiver according to another embodiment of the present application.
- FIG. 13 is a schematic diagram of an interaction flow between a transmitter and a receiver according to another embodiment of the present application.
- FIG. 14 is a schematic structural diagram of an information sending apparatus according to an embodiment of the application.
- 15 is a schematic structural diagram of an information receiving apparatus according to an embodiment of the application.
- 16 is a schematic flowchart of a signal receiving method according to still another embodiment of the present application.
- 17 is a schematic structural diagram of an information receiving apparatus according to another embodiment of the present application.
- FIG. 19 is a schematic structural diagram of an information sending apparatus according to another embodiment of the present application.
- FIG. 20 is a schematic structural diagram of a communication device according to an embodiment of the application.
- FIG. 21 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the application.
- FIG. 22 is a schematic diagram of a hardware structure of a network side device according to an embodiment of the application.
- first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
- the first object may be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced
- LTE-A Long Term Evolution-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
- NR New Radio
- the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6 th Generation, 6G) communication system.
- 6th generation 6 th Generation, 6G
- FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
- the wireless communication system includes a terminal 11 and a network-side device 12 .
- the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
- PDA Personal Digital Assistant
- the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
- the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
- OVXDM/FTN is a signal processing method that artificially introduces an appropriate amount of ISI and/or ICI by preprocessing the transmitted signal (also known as waveform coding), and its purpose is to speed up the transmission rate of symbols, that is, increase the rate of symbol transmission per second per Hertz.
- FTN Faster-than-Nyquist, that is, the super-Nyquist technology.
- OVXDM includes Overlapped Time Division Multiplexing (OVTDM), Overlapped Frequency Division Multiplexing (OVFDM) and Overlapped Code Division Multiplexing (OVCDM), as well as the combination technology of OVTDM and OVFDM , its full name is Overlapped X-Domain Multiplexing, that is, X-domain overlapping multiplexing.
- OVTDM Overlapped Time Division Multiplexing
- OVFDM Overlapped Frequency Division Multiplexing
- OFDM Overlapped Code Division Multiplexing
- its full name is Overlapped X-Domain Multiplexing, that is, X-domain overlapping multiplexing.
- the introduced ISI and ICI will increase the complexity of decoding, which may increase the bit error rate.
- the negative effect caused by the increase of the bit error rate can be suppressed by the advanced decoding algorithm, and the channel capacity can still be improved by the above-mentioned method of speeding up the symbol transmission rate.
- x(t) is the transmitted signal before waveform coding
- h(t) is the waveform coding function
- N is the frequency-domain overlap correlation parameter
- K is the time-domain overlap correlation parameter
- T ⁇ ⁇ T, ⁇ (0,1 )
- T is the waveform transmission cycle
- ⁇ is the time-domain overlap coefficient.
- ⁇ (0,1) is the overlap coefficient in frequency domain.
- OVXDM take Hence there is
- OVTDM In OVTDM technology, there is a serial cascaded OVTDM implementation, as shown in Figure 2.
- the time domain overlap is implemented in two stages, the first stage is pure overlapping OVTDM without mutual shift, called P-OVTDM (Pure-OVTDM), and the second stage is shift Overlapping OVTDM, called S-OVTDM (Shifted-OVTDM).
- the time-domain overlap correlation parameter of the first stage is K 1
- the time-domain overlap correlation parameter K 2 of the second stage is K in the above formula.
- P-OVTDM is traditional modulation techniques such as x-phase-shift keying (xPSK) and x-quadrature amplitude modulation (xQAM) techniques used in NR.
- xPSK x-phase-shift keying
- xQAM x-quadrature amplitude modulation
- the ISI/ICI generated by the radio signal in the process of passing through the complex channel is superimposed with the ISI/ICI introduced by the transmitter using waveform coding, resulting in an equivalent and more severe ISI/ICI.
- the receiver is limited by hardware conditions, and the complexity of the decoding algorithm implemented is limited. When the overlap exceeds a certain threshold, the required decoding complexity will greatly increase, exceeding the ability of the decoding algorithm, resulting in inability to decode.
- the communication device involved in the embodiment of the present application may be a network side device or a terminal device.
- the transmitting end is a network side device
- the receiving end is a terminal device, or both the transmitting end and the receiving end are terminal devices.
- an embodiment of the present application provides a method for sending information, which is applied to a communication device, including:
- Step 41 OVXDM or FTN waveform encoding is performed on the data, and encoded information is generated and sent, and the encoded information is generated and/or sent based on signal parameters;
- Step 42 Receive the feedback information sent by the receiving end of the encoded information
- Step 43 Adjust the signal parameters according to the feedback information.
- the sender of the encoded information can dynamically adjust the signal parameters related to the generation and/or transmission of the encoded information according to the feedback information of the receiver, so as to control the decoding complexity of the receiver and ensure that the decoding is performed correctly and efficiently.
- the signal parameter includes at least one of the following:
- N defined by OVXDM
- Parameters of the filter such as: roll-off coefficient ⁇ , the number of sampling points in the filter time domain and/or the main lobe width parameter, etc.
- an embodiment of the present application further provides a method for sending information, which is applied to a communication device, including:
- Step 51 OVXDM or FTN waveform encoding is performed on the data, and encoded information is generated and sent, and the encoded information is generated and/or sent based on signal parameters;
- Step 52 Send first information to the receiving end, where the first information includes the signal parameter or the indication information of the signal parameter;
- Step 53 Receive the feedback information sent by the receiving end of the encoded information
- Step 54 Adjust the signal parameters according to the feedback information.
- the transmitting end actively sends the signal parameters or the indication information of the signal parameters to the receiving end, so that the receiving end can select an appropriate decoding algorithm according to the signal parameters adopted by the transmitting end.
- the feedback information from the receiving end dynamically adjusts the signal parameters related to the generation and/or transmission of the encoded information, so as to control the decoding complexity of the receiving end and ensure that the decoding is performed correctly and efficiently.
- the first information is sent in one of the following ways:
- the first information is explicitly indicated in downlink control information (Downlink Control Information, DCI), or the first information is implicitly indicated by a PDCCH scrambling manner.
- DCI Downlink Control Information
- Dedicated-RRC dedicated radio resource control
- the broadcast message may include: a master information block (MIB) in a physical broadcast channel (Physical Broadcast Channel, PBCH), a physical broadcast channel demodulation reference signal (PBCH-DMRS), PBCH scramble, PDSCH System Information Block (SIB).
- MIB master information block
- PBCH Physical Broadcast Channel
- PBCH-DMRS physical broadcast channel demodulation reference signal
- SIB PDSCH System Information Block
- the first information is explicitly indicated in the MIB of the PBCH, or the first information is implicitly indicated in the PBCH-DMRS, or the first information is implicitly indicated in the PBCH scrambled form, or the first information is indicated in the SIB message in the PDSCH first information.
- sending the first information to the receiving end includes: sending a correspondence table between signal parameters and index values through a broadcast message; sending an index value of the signal parameter corresponding to the encoding information through a Dedicated-RRC message or DCI.
- a correspondence table between signal parameters and index values can be configured to the receiving end through a broadcast message in advance, and then a Dedicated-RRC message or DCI is used to indicate the index value of the signal parameter corresponding to the currently sent encoding information, so that the receiving end can According to the received index value, look up the corresponding table of the signal parameter and the index value, and determine the signal parameter adopted by the sending end.
- the first information is sent in one of the following ways:
- PSCCH Physical Sidelink Control Channel
- PSSCH Physical Sidelink Share Channel
- the broadcast message may be a Physical Broadcast Shared Channel (PBSCH).
- PBSCH Physical Broadcast Shared Channel
- the feedback information sent by the receiving end is second information; the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a channel that affects the equivalent ISI and/or the equivalent ICI; parameter;
- the bit error rate is a bit error rate obtained by the receiving end decoding the encoded information.
- the channel measurement parameter is a parameter obtained by the receiver by measuring the channel.
- the channel measurement parameters include at least one of the following: a signal to interference plus noise ratio (Signal to Interference plus Noise Ratio, SINR), the number of multipaths, and the residual frequency offset (referring to the frequency offset after frequency offset correction). ), Doppler shift and relative velocity, the influence of these channel measurement parameters can also be indirectly reflected on the bit error rate.
- SINR Signal to Interference plus Noise Ratio
- the method further includes: sending a pilot signal, so that the receiving end can The pilot signal measures the channel to obtain channel measurement parameters.
- a pilot frequency (such as an RS in FIG. 6 ) may be inserted into a radio frame sent by the transmitting end.
- the pilot signal may include at least one of the following: a synchronization signal, a channel state information reference signal or a preset reference signal.
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the indication information of the suggested signal parameter is an index value of the signal parameter; the step of adjusting the signal parameter according to the feedback information in the above embodiment includes: according to the received The received index value of the suggested signal parameter is searched for the corresponding table of the signal parameter and the index value to determine the signal parameter corresponding to the received index value; the current signal parameter is adjusted according to the signal parameter corresponding to the received index value.
- the correspondence table between the signal parameters and the index values is stipulated by a protocol or configured by the communication device.
- the index value may be an overlap coefficient, for example, a time-domain overlap coefficient or a frequency-domain overlap coefficient.
- the indication information of the signal parameter is indication information used to instruct to increase or decrease the signal parameter; in the above embodiment, the signal parameter is adjusted according to the feedback information.
- the step includes: according to the indication information of the suggested signal parameter, increasing or decreasing the current signal parameter according to a preset step.
- the preset step is specified by a protocol or configured by the communication device.
- the second information is received in at least one of the following manners:
- PUSCH Physical Uplink Shared Channel
- PUCCH Physical Uplink Control Channel
- PFCH Physical Uplink Feedback Channel
- the second information when the second information is indication information of suggested signal parameters, it may be indicated in a scheduling request (SR) with a smaller number of bits.
- SR scheduling request
- the second information may also be sent in PUFCH.
- the second information When the second information is a series of signal measurement parameters, it can be indicated in the form of a medium access control control element (MAC CE) in a buffer state report (buffer state report, BSR), or can be sent in the form of data in the PUSCH.
- MAC CE medium access control control element
- BSR buffer state report
- the second information is received in at least one of the following ways:
- PSFCH Physical Sidelink Feedback Channel
- the feedback information sent by the receiving end is feedback information for feeding back whether the encoding information is successfully parsed, and the feedback information is, for example, a non-acknowledgement (NACK).
- NACK non-acknowledgement
- the feedback information is feedback information for feeding back whether the encoding information is successfully parsed, and the feedback information includes a NACK message indicating that the encoding information was not successfully parsed; in the above embodiment, according to the feedback information
- the step of adjusting the signal parameters includes: if the ratio or the number of NACK messages within a preset time period or within a preset number of subframes or time slots is greater than a preset threshold, adjusting the signal parameters.
- an embodiment of the present application also provides a method for sending information, which is applied to a communication device, including:
- Step 71 OVXDM or FTN waveform encoding is performed on the data, and encoded information is generated and sent, and the encoded information is generated and/or sent based on signal parameters;
- Step 72 Send first information to the receiving end, where the first information includes the signal parameter or the indication information of the signal parameter;
- step 72 may also not be included.
- Step 73 Receive feedback information sent by the receiving end of the encoded information
- Step 74 Adjust the signal parameter according to the feedback information
- Step 75 Send third information to the receiving end, where the third information includes adjusted signal parameters or indication information of the adjusted signal parameters.
- the transmitting end actively sends the signal parameters or the indication information of the signal parameters to the receiving end, so that the receiving end can select an appropriate decoding algorithm according to the signal parameters adopted by the transmitting end.
- Feedback information from the receiving end dynamically adjust the coding information to generate and/or send relevant signal parameters, and indicate the adjusted channel parameters to the receiving end to control the decoding complexity of the receiving end and ensure that decoding is performed correctly and efficiently.
- the third information is sent in one of the following ways:
- the third information is explicitly indicated in the DCI, or the third information is indicated implicitly in a PDCCH scrambling manner.
- the broadcast message may include: MIB in PBCH, PBCH-DMRS, PBCH scrambling, or SIB message in PDSCH.
- the corresponding table of signal parameters and index values is defined by the protocol
- the corresponding table of signal parameters and index values used by the current cell is notified to the UE by a broadcast message
- the index value of the currently used signal parameters is indicated by an RRC message or DCI, thereby Let the UE obtain a specific set of signal parameters.
- Different cells can use different correspondence tables, and the correspondence table used by the same cell can be dynamically changed and indicated by a broadcast message.
- the third information is sent in one of the following ways:
- an embodiment of the present application also provides a method for receiving information, which is applied to a communication device, including:
- Step 81 Receive the encoded information sent by the transmitting end, the encoded information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or transmitted based on signal parameters;
- Step 82 Decode the encoded information to determine feedback information
- Step 83 Send the feedback information to the transmitting end, where the feedback information is used to adjust the signal parameter.
- the receiving end of the encoded information can send feedback information to the transmitting end, so that the transmitting end can dynamically adjust the encoding information to generate and/or send relevant signal parameters according to the feedback information, so as to control the decoding complexity of the receiving end, Ensure that decoding is performed correctly and efficiently.
- the signal parameter includes at least one of the following:
- N defined by OVXDM
- an embodiment of the present application further provides a method for receiving information, which is applied to a communication device, including:
- Step 91 Receive the encoded information sent by the transmitting end, the encoded information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or transmitted based on signal parameters;
- Step 92 Receive the first information sent by the transmitting end, where the first information includes the signal parameter corresponding to the encoded information or the indication information of the signal parameter;
- Step 93 Decode the encoding information according to the signal parameter corresponding to the encoding information indicated by the first information to determine feedback information.
- Step 94 Send the feedback information to the transmitting end, where the feedback information is used for the transmitting end to adjust signal parameters.
- the receiving end of the encoded information can select an appropriate decoding algorithm according to the signal parameters indicated by the transmitting end, and can send feedback information to the transmitting end, so that the transmitting end can dynamically adjust the generation and/or coding of the encoded information according to the feedback information. Or send relevant signal parameters to control the decoding complexity of the receiving end and ensure that the decoding is performed correctly and efficiently.
- the communication device is a terminal in the uplink and downlink, and the first information is received in one of the following ways:
- receiving the first information sent by the sending end includes: receiving a correspondence table between signal parameters and index values sent by the sending end through a broadcast message; receiving the information sent by the sending end through a Dedicated-RRC message or DCI.
- the index value of the signal parameter corresponding to the encoded information includes: receiving a correspondence table between signal parameters and index values sent by the sending end through a broadcast message; receiving the information sent by the sending end through a Dedicated-RRC message or DCI.
- the communication device is a terminal in a side link
- the first information is received in one of the following ways:
- the feedback information sent by the receiving end is second information; the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a channel that affects the equivalent ISI and/or the equivalent ICI; parameter;
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- the method further includes: receiving a pilot signal sent by the sending end;
- the pilot signal is used to measure the channel to obtain the channel measurement parameter.
- the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal or a preset reference signal.
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the method further includes: acquiring reference information, where the reference information includes at least the following: Item 1: channel measurement parameters, bit error rate, and the capability of the communication device; according to the reference information, determine the suggested signal parameters.
- the indication information of the suggested signal parameter is the index value of the signal parameter, or the indication information for indicating to increase or decrease the signal parameter.
- the indication information of the proposed signal parameter may be a 1-bit flag, and 0/1 is used to indicate the increase/decrease of the overlap coefficient in the time-frequency domain, and the step of increase/decrease may be predefined by the protocol.
- the second information is sent by at least one of the following methods:
- the second information is sent by at least one of the following methods:
- the feedback information sent by the receiving end is feedback information for feeding back whether the encoding information is successfully parsed, and the feedback information is, for example, a non-acknowledgement (NACK).
- NACK non-acknowledgement
- an embodiment of the present application also provides a method for receiving information, which is applied to a communication device, including:
- Step 101 Receive the encoded information sent by the transmitting end, the encoded information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or transmitted based on signal parameters;
- Step 102 Receive first information sent by the sending end, where the first information includes a signal parameter corresponding to the encoded information or indication information of the signal parameter;
- step 102 may also not be included.
- Step 103 Decode the encoding information according to the signal parameter corresponding to the encoding information indicated by the first information to determine feedback information.
- Step 104 Send the feedback information to the transmitting end, where the feedback information is used for the transmitting end to adjust signal parameters.
- Step 105 Receive third information sent by the sending end, where the third information includes the adjusted signal parameters or the indication information of the adjusted signal parameters.
- the receiving end can select an appropriate decoding algorithm according to the signal parameters indicated by the transmitting end, and at the same time, can send feedback information to the transmitting end, so that the transmitting end can dynamically adjust the encoding information to generate and/or send the relevant information according to the feedback information. to control the decoding complexity of the receiving end and ensure that the decoding is carried out correctly and efficiently.
- the third information is sent in one of the following ways:
- the third information is sent in one of the following ways:
- Manner 1-1 The transmitting end sends first information to the receiving end, where the first information includes signal parameters.
- the receiving end feeds back second information to the transmitting end, where the second information includes the bit error rate.
- the transmitting end adjusts the signal parameters according to the bit error rate, and sends third information to the receiving end, where the third information includes the adjusted signal parameters.
- Manner 1-2 The sending end sends first information to the receiving end, where the first information includes signal parameters.
- the receiving end feeds back second information to the transmitting end, where the second information includes channel measurement parameters.
- the transmitting end adjusts the signal parameters according to the channel measurement parameters, and sends third information to the receiving end, where the third information includes the adjusted signal parameters.
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- Manner 1-3 The sending end sends first information to the receiving end, where the first information includes signal parameters.
- the receiving end feeds back second information to the transmitting end according to the channel measurement parameters and the user's own capabilities, where the second information includes indication information of suggested signal parameters.
- the sending end searches the correspondence table between the signal parameter and the index value, and determines the signal parameter corresponding to the received index value; according to the signal parameter corresponding to the received index value
- the signal parameters are adjusted, and third information is sent to the receiving end, where the third information includes the adjusted signal parameters.
- the correspondence table between the signal parameter and the index value is predefined by the protocol.
- the index value can be the overlap coefficient.
- Manner 2-1 The transmitting end sends first information to the receiving end, where the first information includes signal parameters.
- the receiving end judges whether the signal parameters are appropriate according to the channel measurement parameters, and feeds back the second information to the sending end according to the judgment result.
- the sending end adjusts the signal parameters according to the indication information of the suggested signal parameters, and sends third information to the receiving end, where the third information includes the adjusted signal parameters.
- the indication information of the suggested signal parameter may be a 1-bit flag, and 0/1 is used to indicate the increase/decrease of the overlap coefficient in the time-frequency domain, and the step of increase/decrease may be predefined by the protocol.
- Manner 2-2 The sending end sends first information to the receiving end, where the first information includes signal parameters.
- the receiving end proposes suggested signal parameters according to the channel measurement parameters, and sends the suggested signal parameters to the transmitting end.
- the sending end adjusts the signal parameters according to the received suggested signal parameters, and sends third information to the receiving end, where the third information includes the adjusted signal parameters.
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- Embodiment 1 of the present application is a diagrammatic representation of Embodiment 1 of the present application:
- the network side device sends the first information to the terminal device, and the first information may be sent in the PDCCH (for example, the first information is explicitly indicated in the DCI, or the first information is implicitly indicated by the PDCCH scrambling method).
- the terminal device always uses the first information carried in the DCI that was successfully solved last time.
- the second information may be sent through one or more of PUSCH, PUCCH and PUFCH.
- the second information when the second information is indication information of suggested signal parameters, it may be indicated in a scheduling request (SR) with a smaller number of bits.
- SR scheduling request
- the second information When the second information is a series of signal measurement parameters, it can be indicated in the form of a medium access control control element (MAC CE) in a buffer state report (buffer state report, BSR), or can be sent in the form of data in the PUSCH.
- MAC CE medium access control control element
- BSR buffer state report
- the second information may also be sent in PUFCH.
- the third information may be indicated in the PDCCH (eg, the third information is indicated explicitly in the DCI, or the third information is indicated implicitly by means of PDCCH scrambling).
- Embodiment 2 of this application is a diagrammatic representation of Embodiment 2 of this application:
- the network side device sends the first information to the terminal device, and the first information may be sent in the form of a broadcast message (for example, the first information is explicitly indicated in the MIB of the PBCH, or the first information is implicitly indicated in the PBCH-DMRS. information, or the first information is implicitly indicated in the form of PBCH scrambling, or the first information is indicated in the SIB message in the PDSCH).
- the first information is explicitly indicated in the MIB of the PBCH, or the first information is implicitly indicated in the PBCH-DMRS.
- information or the first information is implicitly indicated in the form of PBCH scrambling, or the first information is indicated in the SIB message in the PDSCH.
- the second information may be sent through one or more of PUSCH, PUCCH and PUFCH.
- the second information when the second information is indication information of suggested signal parameters, it may be indicated in a scheduling request (SR) with a smaller number of bits.
- SR scheduling request
- the second information When the second information is a series of signal measurement parameters, it can be indicated in the form of a medium access control control element (MAC CE) in a buffer state report (buffer state report, BSR), or can be sent in the form of data in the PUSCH.
- MAC CE medium access control control element
- BSR buffer state report
- the second information may also be sent in PUFCH.
- the third information is indicated by the Dedicated-RRC message in the PDSCH, and the signal parameters indicated in the broadcast message are refreshed.
- Embodiment 2 the advantage of Embodiment 2 over Embodiment 1 is that the current signal parameters of all UEs within the coverage area can be notified through a broadcast message.
- the transmitter can adjust the signal parameters individually for this UE, and use dedicated-RRC notification, which avoids setting aside a fixed field in the PDCCH and saves overhead.
- Embodiment 3 of this application is a diagrammatic representation of Embodiment 3 of this application:
- the first information may be indicated in the form of a broadcast message+Dedicated RRC or a combination of broadcast message+DCI.
- the broadcast message may include: MIB in PBCH, PBCH-DMRS, PBCH scrambling, or SIB message in PDSCH.
- the corresponding table of signal parameters and indexes is defined by the protocol, the corresponding table of signal parameters and indexes used by the current cell is notified to the UE by a broadcast message, and the index value is indicated by an RRC message or DCI, so that the UE can obtain a specific set of signals. parameter.
- Different cells can use different correspondence tables, and the correspondence table used by the same cell can be dynamically changed and indicated by a broadcast message.
- the second information may be sent through one or more of PUSCH, PUCCH and PUFCH.
- the second information when the second information is indication information of suggested signal parameters, it may be indicated in a scheduling request (SR) with a smaller number of bits.
- SR scheduling request
- the second information When the second information is a series of signal measurement parameters, it can be indicated in the form of a medium access control control element (MAC CE) in a buffer state report (buffer state report, BSR), or can be sent in the form of data in the PUSCH.
- MAC CE medium access control control element
- BSR buffer state report
- the second information may also be sent in PUFCH.
- the third information may indicate the index value through Dedicated RRC or DCI, and refresh the signal parameters indicated in the first information.
- Embodiment 3 the advantage of Embodiment 3 over Embodiment 2 is that the sender can tell all UEs within the coverage the current correspondence table of signal parameters and index values through a broadcast message, and at the same time use a dedicated message to specifically configure each UE , which provides considerable flexibility while saving on overhead. At the same time, the UE can directly indicate the index value of the suggested signal parameter by feeding back a few bits, which provides a certain degree of autonomy and also saves the feedback overhead.
- Embodiment 4 of the present application (equivalent to open-loop link adaptation (OLLA))
- the first information may be sent in the form of Embodiments 1 and 2.
- the sender will count the ACK messages that the receiver has successfully parsed the encoded information. If the ratio or number of NACK messages within a preset period or within a preset number of subframes or time slots is greater than a preset threshold, the sender adjusts the signal parameters.
- the third information may be indicated in the PDCCH (eg, explicitly indicated in the DCI, or implicitly indicated in a PDCCH scrambling manner).
- the network side device does not send the first information, and firstly generates a corresponding pilot signal according to the default signal parameter settings specified in the protocol, for example, the transmitting end sends a pilot signal with an overlap number of 1.
- the UE sends the second information to the network side device according to the channel measurement result (for example, the measurement result of the pilot signal), where the second information includes suggested signal parameters.
- the channel measurement result for example, the measurement result of the pilot signal
- the network side device sends third information, where the third information includes the adjusted signal parameters, and the third information can be indicated in the PDCCH (eg, explicitly indicated in the DCI, or implicitly indicated by PDCCH scrambling).
- This embodiment has no first information.
- PDSCH/PUSCH can be changed to PSSCH
- PDCCH/PUCCH can be changed to PSCCH
- PBCH can be changed to Physical Broadcast Shared Channel (PBSCH)
- PUFCH can be changed to PSFCH.
- the embodiment of the present application dynamically adjusts the signal parameters of the transmitting end by designing a measurement-feedback-adjustment interaction mechanism at the transceiver end. It solves the problem that the receiver cannot decode correctly under extreme conditions when the equivalent time-frequency overlap coefficient caused by the waveform coding and multipath channel at the transmitter is too large. At the same time, through this mechanism, the decoding complexity of the receiver side can be controlled artificially through the coordination between the transceiver and the receiver, thereby providing another way to realize the power control of the terminal.
- the execution body may be a signal sending device, or a control module in the signal sending device for executing the signal sending method.
- the signal transmitting method provided by the embodiment of the present application is described by taking the signal transmitting method performed by the signal transmitting device as an example.
- an embodiment of the present application provides a signal sending apparatus 140, including:
- a first sending module 141 configured to perform OVXDM or FTN waveform encoding on the data, generate and send encoded information, where the encoded information is generated and/or sent based on signal parameters;
- a first receiving module 142 configured to receive the feedback information sent by the receiving end of the encoded information
- An adjustment module 143 configured to adjust the signal parameter according to the feedback information.
- the signal parameters include at least one of the following:
- the signal sending device 140 further includes:
- the second sending module is configured to send first information to the receiving end, where the first information includes the signal parameter or the indication information of the signal parameter.
- the first information is sent in one of the following ways:
- the first information is sent in one of the following ways:
- the second sending module is configured to send a correspondence table between signal parameters and index values through a broadcast message; and send the index value of the signal parameter corresponding to the encoded information through a Dedicated-RRC message or DCI.
- the feedback information is second information or feedback information used to feedback whether the encoding information is successfully parsed
- the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a parameter in the channel that affects the equivalent ISI and/or the equivalent ICI;
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the second information is received in at least one of the following ways:
- the second information is received in at least one of the following ways:
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- the indication information of the suggested signal parameter is an index value of the signal parameter; the adjustment module is configured to, according to the received index value of the suggested signal parameter, look up the correspondence table between the signal parameter and the index value, and determine The signal parameter corresponding to the received index value; the current signal parameter is adjusted according to the signal parameter corresponding to the received index value.
- the correspondence table between the signal parameters and the index values is stipulated by a protocol or configured by the communication device.
- the indication information of the signal parameter is indication information used to instruct to increase or decrease the signal parameter; the adjustment module is used to increase or decrease the signal parameter according to the indication information of the suggested signal parameter according to a preset step. Decrease the current signal parameter.
- the feedback information is feedback information for feeding back whether the encoding information is successfully parsed, and the feedback information includes a NACK message indicating that the encoding information was not successfully parsed; If the proportion or number of NACK messages within a period or within a preset number of subframes or time slots is greater than a preset threshold, adjust the signal parameters.
- the signal sending device 140 further includes:
- a third sending module configured to send third information to the receiving end, where the third information includes adjusted signal parameters or indication information of the adjusted signal parameters.
- the third information is sent in one of the following ways:
- the third information is sent in one of the following ways:
- the signal sending apparatus further includes: a fourth sending module, configured to send a pilot signal, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal.
- a fourth sending module configured to send a pilot signal, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal.
- the signal sending apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiments in FIG. 4 to FIG. 7 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
- the execution body may be a signal receiving device, or a control module in the signal receiving device for executing the signal receiving method.
- a signal receiving method performed by a signal receiving apparatus is used as an example to describe the signal receiving apparatus provided in the embodiments of the present application.
- an embodiment of the present application provides a signal receiving apparatus 150, including:
- the first receiving module 151 is configured to receive the encoded information sent by the transmitting end, the encoded information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or transmitted based on signal parameters;
- a first determining module 152 configured to decode the encoded information to determine feedback information
- the first sending module 153 is configured to send the feedback information to the sending end, where the feedback information is used for the sending end to adjust signal parameters.
- the signal parameters include at least one of the following:
- the feedback information is second information or feedback information used to feedback whether the encoding information is successfully parsed
- the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a parameter in the channel that affects the equivalent ISI and/or the equivalent ICI;
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the second information is sent by at least one of the following methods:
- the second information is sent by at least one of the following methods:
- the channel measurement parameter includes at least one of the following: a signal-to-interference-plus-noise ratio, a number of multipaths, a residual frequency offset, a Doppler frequency shift, and a relative velocity.
- the signal receiving apparatus 150 further includes:
- a second receiving module configured to receive a pilot signal sent by the transmitting end, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal;
- a measurement module configured to measure the channel according to the pilot signal to obtain the channel measurement parameter.
- the signal receiving module 150 further includes:
- a first obtaining module configured to obtain reference information, where the reference information includes at least one of the following: channel measurement parameters, bit error rate, and the capability of the communication device;
- the second determining module is configured to determine suggested signal parameters according to the reference information.
- the indication information of the suggested signal parameter is an index value of the signal parameter or indication information used to instruct to increase or decrease the signal parameter.
- the signal receiving module 150 further includes:
- a third receiving module configured to receive first information sent by the transmitting end, where the first information includes a signal parameter corresponding to the encoded information or indication information of the signal parameter;
- the first determining module is configured to decode the encoding information according to a signal parameter corresponding to the encoding information indicated by the first information.
- the first information is received in one of the following ways:
- the first information is received in one of the following ways:
- the third receiving module is configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end; and receive the encoding information sent by the sending end through a Dedicated-RRC message or DCI.
- the index value of the corresponding signal parameter is configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end; and receive the encoding information sent by the sending end through a Dedicated-RRC message or DCI.
- the index value of the corresponding signal parameter is configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end.
- the signal receiving module 150 further includes:
- the fourth receiving module is configured to receive third information sent by the sending end, where the third information includes adjusted signal parameters or indication information of the adjusted signal parameters.
- the third information is received in one of the following ways:
- the third information is received in one of the following ways:
- the signal receiving apparatus in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
- the device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the signal receiving device in the embodiment of the present application may be a device having an operating system.
- the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
- an embodiment of the present application further provides a method for receiving information, which is applied to a communication device, including:
- Step 161 Receive the encoded information sent by the transmitting end, the encoded information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or transmitted based on signal parameters;
- Step 161 Receive the first information sent by the sending end, where the first information includes the signal parameter corresponding to the encoded information or the indication information of the signal parameter;
- Step 162 Decode the encoded information according to the signal parameter corresponding to the encoded information indicated by the first information.
- the sender of the encoded information indicates the signal parameters corresponding to the encoded information to the receiver, and the receiver determines the decoding algorithm according to the signal parameters, so as to control the decoding complexity of the receiver and ensure that the decoding is performed correctly and efficiently.
- the signal parameters include at least one of the following:
- the first information is received in one of the following ways:
- the communication device is a terminal in a side link
- the first information is received in one of the following ways:
- the receiving and sending end sending the first information includes:
- the index value of the signal parameter corresponding to the encoding information sent by the transmitting end is received through a Dedicated-RRC message or DCI.
- the executing body may be a signal receiving apparatus, or a control module in the signal receiving apparatus for executing the signal receiving method.
- a signal receiving method performed by a signal receiving apparatus is used as an example to describe the signal receiving apparatus provided in the embodiments of the present application.
- an embodiment of the present application further provides an information receiving apparatus 170, including:
- the first receiving module 171 is configured to receive the encoded information sent by the transmitting end, the encoded information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or transmitted based on signal parameters;
- the second receiving module 172 is configured to receive the first information sent by the sending end, where the first information includes the signal parameter corresponding to the encoded information or the indication information of the signal parameter;
- the determining module 173 is configured to decode the encoding information according to the signal parameter corresponding to the encoding information indicated by the first information to determine feedback information.
- the sender of the encoded information indicates the signal parameters corresponding to the encoded information to the receiver, and the receiver determines the decoding algorithm according to the signal parameters, so as to control the decoding complexity of the receiver and ensure that the decoding is performed correctly and efficiently.
- the signal parameters include at least one of the following:
- the first information is received in one of the following ways:
- the communication device is a terminal in a side link
- the first information is received in one of the following ways:
- the receiving module is configured to receive, through a broadcast message, the correspondence table between the signal parameters and the index values sent by the sender; The index value of the signal parameter.
- an embodiment of the present application further provides a method for sending information, which is applied to a communication device, including:
- Step 181 Send the first information
- Step 182 Perform OVXDM or FTN waveform encoding on the data to generate and send encoded information, where the encoded information is generated and/or sent based on signal parameters, and the first information includes the signal parameters or indication information of the signal parameters.
- the transmitting end of the encoded information indicates the signal parameters corresponding to the encoded information to the receiving end, so that the receiving end determines a decoding algorithm according to the signal parameters, so as to control the decoding complexity of the receiving end and ensure that the decoding is performed correctly and efficiently.
- the signal parameters include at least one of the following:
- the first information is sent in one of the following ways:
- the first information is sent in one of the following ways:
- sending the first information includes:
- the index value of the signal parameter corresponding to the encoding information is sent through a Dedicated-RRC message or DCI.
- the execution body may be a signal sending device, or a control module in the signal sending device for executing the signal sending method.
- the signal transmitting method provided by the embodiment of the present application is described by taking the signal transmitting method performed by the signal transmitting device as an example.
- an embodiment of the present application further provides an information sending apparatus 190, including:
- a first sending module 191, configured to send first information
- the second sending module 192 is configured to perform OVXDM or FTN waveform encoding on the data, generate and send encoded information, where the encoded information is generated and/or sent based on signal parameters, and the first information includes the signal parameters or the signal Indication information for the parameter.
- the sender of the encoded information indicates the signal parameters corresponding to the encoded information to the receiver, so that the receiver determines a decoding algorithm according to the signal parameters, so as to control the decoding complexity of the receiver and ensure that the decoding is performed correctly and efficiently.
- the signal parameters include at least one of the following:
- the first information is sent in one of the following ways:
- the first information is sent in one of the following ways:
- the first sending module 191 is configured to send a correspondence table between signal parameters and index values through a broadcast message; and send an index value of the signal parameter corresponding to the encoded information through a Dedicated-RRC message or DCI.
- an embodiment of the present application further provides a communication device 200, including a processor 201, a memory 202, and a program or instruction stored in the memory 202 and executable on the processor 201, for example, the program Or, when the instruction is executed by the processor 201, each process of the above embodiment of the signal sending method is implemented, and the same technical effect can be achieved. Alternatively, when the program or instruction is executed by the processor 101, each process of the above-mentioned embodiment of the signal receiving method can be implemented, and the same technical effect can be achieved. To avoid repetition, details are not described here.
- FIG. 21 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 210 includes but is not limited to: a radio frequency unit 211, a network module 212, an audio output unit 213, an input unit 214, a sensor 215, a display unit 216, a user input unit 217, an interface unit 218, a memory 219, a processor 2110 and other components .
- the terminal 210 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 2110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
- a power source such as a battery
- the terminal structure shown in FIG. 21 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
- the input unit 214 may include a graphics processor (Graphics Processing Unit, GPU) 2141 and a microphone 2142. Such as camera) to obtain still pictures or video image data for processing.
- the display unit 216 may include a display panel 2161, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 217 includes a touch panel 2171 and other input devices 2172 .
- the touch panel 2171 is also called a touch screen.
- the touch panel 2171 may include two parts, a touch detection device and a touch controller.
- Other input devices 2172 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
- the radio frequency unit 211 receives the downlink data from the network side device, and then processes it to the processor 2110; in addition, sends the uplink data to the network side device.
- the radio frequency unit 211 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- Memory 219 may be used to store software programs or instructions as well as various data.
- the memory 219 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
- the memory 219 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- ROM Read-Only Memory
- PROM programmable read-only memory
- PROM erasable programmable read-only memory
- Erasable PROM Erasable PROM
- EPROM electrically erasable programmable read-only memory
- EEPROM electrically erasable programmable read-only memory
- flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
- the processor 2110 may include one or more processing units; optionally, the processor 2110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 2110.
- a radio frequency unit 211 configured to perform OVXDM or FTN waveform encoding on the data, generate and send encoded information, where the encoded information is generated and/or sent based on signal parameters;
- the processor 2110 is configured to adjust the signal parameter according to the feedback information.
- the signal parameters include at least one of the following:
- the radio frequency unit 211 is further configured to send first information to the receiving end, where the first information includes the signal parameter or indication information of the signal parameter.
- the first information is sent in one of the following ways:
- the radio frequency unit 211 is configured to send a correspondence table between signal parameters and index values through a broadcast message; and send an index value of the signal parameter corresponding to the encoded information through a Dedicated-RRC message or DCI.
- the feedback information is second information or feedback information used to feedback whether the encoding information is successfully parsed
- the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a parameter in the channel that affects the equivalent ISI and/or the equivalent ICI;
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the second information is received in at least one of the following ways:
- the second information is received in at least one of the following ways:
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- the indication information of the suggested signal parameter is an index value of the signal parameter; the processor 2110 is configured to search for a corresponding table between the signal parameter and the index value according to the received index value of the suggested signal parameter, Determine the signal parameter corresponding to the received index value; adjust the current signal parameter according to the signal parameter corresponding to the received index value.
- the correspondence table between the signal parameters and the index values is stipulated by a protocol or configured by the communication device.
- the indication information of the signal parameter is the indication information used to instruct to increase or decrease the signal parameter; the processor 2110 is configured to increase according to the preset step according to the indication information of the suggested signal parameter Or decrease the current signal parameter.
- the feedback information is feedback information for feeding back whether the encoding information is successfully parsed, and the feedback information includes a NACK message indicating that the encoding information was not successfully parsed;
- the processor 2110 is configured to pre- It is assumed that the ratio or number of NACK messages within a period or within a preset number of subframes or time slots is greater than a preset threshold, and the signal parameters are adjusted.
- the radio frequency unit 211 is further configured to send third information to the receiving end, where the third information includes adjusted signal parameters or indication information of the adjusted signal parameters.
- the third information is sent in one of the following ways:
- the third information is sent in one of the following ways:
- the radio frequency unit 211 is further configured to send a pilot signal, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal.
- the terminal 210 is the receiving end:
- the radio frequency unit 211 is configured to receive the encoded information sent by the transmitting end, the encoded information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoded information is generated and/or transmitted based on signal parameters;
- the processor 2110 configured to decode the encoded information and determine feedback information
- the radio frequency unit 211 is configured to send the feedback information to the transmitting end, where the feedback information is used for the transmitting end to adjust signal parameters.
- the signal parameters include at least one of the following:
- the feedback information is second information or feedback information used to feedback whether the encoding information is successfully parsed
- the second information is one of the following:
- the first type of second information includes at least one of the following: a bit error rate and a channel measurement parameter, where the channel measurement parameter is a parameter in the channel that affects the equivalent ISI and/or the equivalent ICI;
- the second type of second information where the second type of second information includes: suggested signal parameters or indication information of the suggested signal parameters.
- the second information is sent by at least one of the following methods:
- the second information is sent by at least one of the following methods:
- the channel measurement parameters include at least one of the following: signal-to-interference-plus-noise ratio, number of multipaths, residual frequency offset, Doppler frequency shift, and relative velocity.
- the radio frequency unit 211 is further configured to receive a pilot signal sent by the transmitting end, where the pilot signal includes at least one of the following: a synchronization signal, a channel state information reference signal, or a preset reference signal;
- the processor 2110 is further configured to measure the channel according to the pilot signal to obtain the channel measurement parameter.
- the processor 2110 is further configured to acquire reference information, where the reference information includes at least one of the following: a channel measurement parameter, a bit error rate, and the The own capability of the communication device; according to the reference information, determine the suggested signal parameters.
- the indication information of the suggested signal parameter is an index value of the signal parameter or indication information used to instruct to increase or decrease the signal parameter.
- the radio frequency unit 211 is further configured to receive first information sent by the transmitting end, where the first information includes signal parameters corresponding to the encoded information or indication information of the signal parameters;
- the processor 2110 is further configured to decode the encoding information according to the signal parameter corresponding to the encoding information indicated by the first information.
- the first information is received in one of the following ways:
- the first information is received in one of the following ways:
- the radio frequency unit 211 is further configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end; and receive the encoding information sent by the sending end through a Dedicated-RRC message or DCI.
- the index value of the corresponding signal parameter is further configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end; and receive the encoding information sent by the sending end through a Dedicated-RRC message or DCI.
- the index value of the corresponding signal parameter is further configured to receive, through a broadcast message, a correspondence table between signal parameters and index values sent by the sending end; and receive the encoding information sent by the sending end through a Dedicated-RRC message or DCI.
- the radio frequency unit 211 is further configured to receive third information sent by the transmitting end, where the third information includes adjusted signal parameters or indication information of the adjusted signal parameters.
- the third information is received in one of the following ways:
- the third information is received in one of the following ways:
- the terminal 210 is the receiving end:
- the radio frequency unit 211 is configured to receive the first information and encoding information sent by the transmitting end, the encoding information is generated by the transmitting end performing OVXDM or FTN waveform encoding on the data, and the encoding information is generated based on signal parameters and/or sending, the first information includes a signal parameter corresponding to the encoded information or indication information of the signal parameter;
- the processor 2110 is configured to decode the encoded information according to a signal parameter corresponding to the encoded information indicated by the first information.
- the signal parameters include at least one of the following:
- the first information is received in one of the following ways:
- the communication device is a terminal in a side link
- the first information is received in one of the following ways:
- the radio frequency unit 211 configured to send the first information
- the processor 2110 is configured to perform OVXDM or FTN waveform encoding on the data to generate encoded information
- the radio frequency unit 211 is further configured to send the encoded information
- the encoded information is generated and/or sent based on a signal parameter, and the first information includes the signal parameter or indication information of the signal parameter.
- the signal parameters include at least one of the following:
- the first information is sent in one of the following ways:
- the first information is sent in one of the following ways:
- the network device 220 includes: an antenna 221 , a radio frequency device 222 , and a baseband device 223 .
- the antenna 221 is connected to the radio frequency device 222 .
- the radio frequency device 222 receives information through the antenna 221, and sends the received information to the baseband device 223 for processing.
- the baseband device 223 processes the information to be sent, and sends it to the radio frequency device 222 , and the radio frequency device 222 processes the received information and sends it out through the antenna 221 .
- the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 223 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 223 , and the baseband apparatus 223 includes a processor 224 and a memory 225 .
- the baseband device 223 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 22 , one of the chips is, for example, the processor 224 , which is connected to the memory 225 to call the program in the memory 225 to execute
- the network devices shown in the above method embodiments operate.
- the baseband device 223 may further include a network interface 226 for exchanging information with the radio frequency device 222, and the interface is, for example, a common public radio interface (CPRI for short).
- CPRI common public radio interface
- the network-side device in this embodiment of the present application further includes: instructions or programs stored on the memory 225 and executable on the processor 224, and the processor 224 invokes the instructions or programs in the memory 225 to execute the instructions or programs shown in FIG. 14 or FIG. 18 . In order to avoid repetition, it is not repeated here.
- the embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the signal sending method is implemented, and the same can be achieved. In order to avoid repetition, the technical effect will not be repeated here.
- the embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium.
- a program or an instruction is stored on the readable storage medium.
- the processor is the processor in the communication device in the foregoing embodiment.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used for running network-side device programs or instructions to implement the above signal sending method
- the chip includes a processor and a communication interface
- the communication interface is coupled to the processor
- the processor is used for running network-side device programs or instructions to implement the above signal sending method
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above signal receiving method
- the chip includes a processor and a communication interface
- the communication interface is coupled to the processor
- the processor is used to run a network-side device program or instruction to implement the above signal receiving method
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
- modules, units, sub-modules, sub-units, etc. can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, for in other electronic units or combinations thereof that perform the functions described herein.
- ASIC Application Specific Integrated Circuits
- DSP Digital Signal Processing
- DSP Device digital signal processing equipment
- PLD Programmable Logic Device
- Field-Programmable Gate Array Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
- the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
- the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
- a storage medium such as ROM/RAM, magnetic disk, CD-ROM
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Abstract
Description
Claims (51)
- 一种信息发送方法,应用于通信设备,包括:对数据进行X域重叠复用OVXDM或超奈奎斯特FTN波形编码,生成编码信息并发送,所述编码信息基于信号参数生成和/或发送;接收所述编码信息的接收端发送的反馈信息;根据所述反馈信息调整所述信号参数。
- 根据权利要求1所述的信息发送方法,其中,所述信号参数包括以下至少一项:时域重叠系数τ;与τ对应的符号调制阶数;OVXDM定义的K_1;OVXDM定义的K或级联OVXDM定义的K_2;与K或K_2对应的符号调制阶数;频域重叠系数ζ;OVXDM定义的N;与N对应的符号调制阶数;发送所述编码信息的码率;滤波器的参数。
- 根据权利要求1所述的信息发送方法,其中,接收所述编码信息的接收端发送的反馈信息之前还包括:向所述接收端发送第一信息,所述第一信息包括所述信号参数或所述信号参数的指示信息。
- 根据权利要求3所述的信息发送方法,其中,若所述通信设备为网络侧设备,所述第一信息通过以下方式之一发送:通过物理下行控制信道PDCCH;在物理下行共享信道PDSCH中通过专用无线资源控制Dedicated-RRC消息指示;通过广播消息指示;通过广播消息和Dedicated-RRC消息指示;通过广播消息和DCI指示。
- 根据权利要求3所述的信息发送方法,其中,若所述通信设备为终端,所述第一信息通过以下方式之一发送:通过物理旁链路控制信道PSCCH指示;在物理旁链路共享信道PSSCH中指示;通过广播消息指示。
- 根据权利要求4所述的信息发送方法,其中,向所述接收端发送第一信息包括:通过广播消息发送信号参数与索引值的对应表;通过Dedicated-RRC消息或DCI发送所述编码信息对应的信号参数的索引值。
- 根据权利要求1所述的信息发送方法,其中,所述反馈信息为第二信息或用于反馈是否成功解析所述编码信息的反馈信息;所述第二信息为以下之一:第一类第二信息,所述第一类第二信息包括以下至少一项:误码率和信道测量参数;第二类第二信息,所述第二类第二信息包括:建议的信号参数或建议的信号参数的指示信息。
- 根据权利要求7所述的信息发送方法,其中,若所述通信设备为网络侧设备,所述第二信息通过以下方式中的至少一项接收:物理上行共享信道PUSCH;物理上行控制信道PUCCH;物理上行反馈信道PUFCH。
- 根据权利要求7所述的信息发送方法,其中,若所述通信设备为终端,所述第二信息通过以下方式中的至少一项接收:物理旁链路共享信道PSSCH;物理旁链路控制信道PSCCH;物理旁链路反馈信道PSFCH。
- 根据权利要求7所述的信息发送方法,其中,所述信道测量参数包括以下至少一项:信号与干扰加噪声比,多径数量,残留频偏,多普勒频移和相对速度。
- 根据权利要求7所述的信息发送方法,其中,所述建议的信号参数的指示信息为信号参数的索引值;根据所述反馈信息调整所述信号参数包括:根据接收到的建议的信号参数的索引值,查找信号参数与索引值的对应表,确定接收到的索引值对应的信号参数;根据所述接收到的索引值对应的信号参数调整当前信号参数。
- 根据权利要求11所述的信息发送方法,其中,所述信号参数与索引值的对应表由协议约定或所述通信设备配置。
- 根据权利要求7所述的信息发送方法,其中,所述建议的信号参数的指示信息为用于指示增加或减小信号参数的指示信息;根据所述反馈信息调整所述信号参数包括:根据所述建议的信号参数的指示信息,按照预设步进增加或减小当前信号参数。
- 根据权利要求7所述的信息发送方法,其中,所述反馈信息为用于反馈是否成功解析所述编码信息的反馈信息,所述反馈信息包括指示未成功解析所述编码信息的非确认NACK消息;根据所述反馈信息调整所述信号参数包括:若预设时段内或者预设数量个子帧或时隙内的NACK消息的比例或个数大于预设阈值,调整信号参数。
- 根据权利要求1所述的信息发送方法,其中,根据所述反馈信息调整所述信号参数之后还包括:向所述接收端发送第三信息,所述第三信息包括调整后的信号参数或调整后的信号参数的指示信息。
- 根据权利要求15所述的信息发送方法,其中,若所述通信设备为网络侧设备,所述第三信息通过以下方式之一发送:通过PDCCH指示;在PDSCH中通过Dedicated-RRC消息指示;通过广播消息指示;通过广播消息和Dedicated-RRC消息指示;通过广播消息和DCI消息指示。
- 根据权利要求15所述的信息发送方法,其中,若所述通信设备为终端,所述第三信息通过以下方式之一发送:通过PSCCH指示;在PSSCH中指示;通过广播消息指示。
- 根据权利要求1所述的信息发送方法,其中,接收所述编码信息的接收端发送的反馈信息之前还包括:发送导频信号,所述导频信号包括以下至少一项:同步信号、信道状态信息参考信号或预设参考信号。
- 一种信息接收方法,应用于通信设备,包括:接收发送端发送的编码信息,所述编码信息由所述发送端对数据进行OVXDM或FTN波形编码生成,所述编码信息基于信号参数生成和/或发送;对所述编码信息进行译码,确定反馈信息;向所述发送端发送所述反馈信息,所述反馈信息用于调整所述信号参数。
- 根据权利要求19所述的信息接收方法,其中,所述信号参数包括以下至少一项:时域重叠系数τ;与τ对应的符号调制阶数;OVXDM定义的K_1;OVXDM定义的K或级联OVXDM定义的K_2;与K或K_2对应的符号调制阶数;频域重叠系数ζ;OVXDM定义的N;与N对应的符号调制阶数;发送所述编码信息的码率;滤波器的参数。
- 根据权利要求19所述的信息接收方法,其中,所述反馈信息为第二信息或用于反馈是否成功解析所述编码信息的反馈信息;所述第二信息为以下之一:第一类第二信息,所述第一类第二信息包括以下至少一项:误码率和信道测量参数;第二类第二信息,所述第二类第二信息包括:建议的信号参数或建议的信号参数的指示信息。
- 根据权利要求21所述的信息接收方法,其中,若所述通信设备为终端,所述第二信息通过以下方式中的至少一项发送:PUSCH;PUCCH;PUFCH。
- 根据权利要求21所述的信息接收方法,其中,若所述通信设备为终端,所述第二信息通过以下方式中的至少一项发送:PSSCH;PSCCH;PSFCH。
- 根据权利要求21所述的信息接收方法,其中,所述信道测量参数包括以下至少一项:信号与干扰加噪声比,多径数量,残留频偏,多普勒频移和相对速度。
- 根据权利要求21所述的信息接收方法,其中,向所述发送端发送所述反馈信息之前还包括:接收所述发送端发送的导频信号,所述导频信号包括以下至少一项:同步信号、信道状态信息参考信号或预设参考信号;根据所述导频信号对信道进行测量,得到所述信道测量参数。
- 根据权利要求21所述的信息接收方法,其中,所述第二信息第二类 第二信息时,所述向所述发送端发送所述反馈信息之前还包括:获取参考信息,所述参考信息包括以下至少一项:信道测量参数、误码率和所述通信设备的自身能力;根据所述参考信息,确定建议的信号参数。
- 根据权利要求21所述的信息接收方法,其中,所述建议的信号参数的指示信息为信号参数的索引值或用于指示增加或减小信号参数的指示信息。
- 根据权利要求19所述的信息接收方法,其中,对所述编码信息进行译码之前还包括:接收所述发送端发送第一信息,所述第一信息包括所述编码信息对应的信号参数或所述信号参数的指示信息;根据所述第一信息指示的所述编码信息对应的信号参数,对所述编码信息进行译码。
- 根据权利要求28所述的信息接收方法,其中,若所述通信设备为终端,所述第一信息通过以下方式之一接收:通过PDCCH;在PDSCH中通过Dedicated-RRC消息指示;通过广播消息指示;通过广播消息和Dedicated-RRC消息指示;通过广播消息和DCI指示。
- 根据权利要求28所述的信息接收方法,其中,若所述通信设备为终端,所述第一信息通过以下方式之一接收:通过PSCCH指示;在PSSCH中指示;通过广播消息指示。
- 根据权利要求29所述的信息接收方法,其中,接收所述发送端发送第一信息包括:通过广播消息接收所述发送端发送的信号参数与索引值的对应表;通过Dedicated-RRC消息或DCI接收所述发送端发送的所述编码信息对应的信号参数的索引值。
- 根据权利要求19所述的信息接收方法,其中,向所述发送端发送所述反馈信息之后还包括:接收所述发送端发送的第三信息,所述第三信息包括调整后的信号参数或调整后的信号参数的指示信息。
- 根据权利要求32所述的信息接收方法,其中,若所述通信设备为终端,所述第三信息通过以下方式之一接收:通过PDCCH指示;在PDSCH中通过Dedicated-RRC消息指示;通过广播消息指示;通过广播消息和Dedicated-RRC消息指示;通过广播消息和DCI消息指示。
- 根据权利要求32所述的信息接收方法,其中,若所述通信设备为终端,所述第三信息通过以下方式之一发送:通过PSCCH指示;在PSSCH中指示;通过广播消息指示。
- 一种信息发送装置,包括:第一发送模块,用于对数据进行OVXDM或FTN波形编码,生成编码信息并发送,所述编码信息基于信号参数生成和/或发送;第一接收模块,用于接收所述编码信息的接收端发送的反馈信息;调整模块,用于根据所述反馈信息调整所述信号参数。
- 一种信息接收装置,包括:第一接收模块,用于接收发送端发送的编码信息,所述编码信息由所述发送端对数据进行OVXDM或FTN波形编码生成,所述编码信息基于信号参数生成和/或发送;第一确定模块,用于对所述编码信息进行译码,确定反馈信息;第一发送模块,用于向所述发送端发送所述反馈信息,所述反馈信息用于所述发送端调整信号参数。
- 一种信息接收方法,应用于通信设备,包括:接收发送端发送的编码信息,所述编码信息由所述发送端对数据进行OVXDM或FTN波形编码生成,所述编码信息基于信号参数生成和/或发送;接收发送端发送的第一信息,所述第一信息包括所述编码信息对应的信号参数或所述信号参数的指示信息;根据所述第一信息指示的信号参数,对所述编码信息进行译码。
- 根据权利要求37所述的信息接收方法,其中,所述信号参数包括以下至少一项:时域重叠系数τ;与τ对应的符号调制阶数;OVXDM定义的K_1;OVXDM定义的K或级联OVXDM定义的K_2;与K或K_2对应的符号调制阶数;频域重叠系数ζ;OVXDM定义的N;与N对应的符号调制阶数;发送所述编码信息的码率;滤波器的参数。
- 根据权利要求37所述的信息接收方法,其中,若所述通信设备为终端,所述第一信息通过以下方式之一接收:通过PDCCH;在PDSCH中通过Dedicated-RRC消息指示;通过广播消息指示;通过广播消息和Dedicated-RRC消息指示;通过广播消息和DCI指示。
- 根据权利要求37所述的信息接收方法,其中,若所述通信设备为终端,所述第一信息通过以下方式之一接收:通过PSCCH指示;在PSSCH中指示;通过广播消息指示。
- 一种信息接收装置,应用于通信设备,包括:第一接收模块,用于接收发送端发送的编码信息,所述编码信息由所述发送端对数据进行OVXDM或FTN波形编码生成,所述编码信息基于信号参数生成和/或发送;第二接收模块,用于接收发送端发送的第一信息,所述第一信息包括所述编码信息对应的信号参数或所述信号参数的指示信息;确定模块,用于根据所述第一信息指示的所述编码信息对应的信号参数,对所述编码信息进行译码。
- 一种信息发送方法,应用于通信设备,包括:发送第一信息;对数据进行OVXDM或FTN波形编码,生成编码信息并发送,所述编码信息基于信号参数生成和/或发送,所述第一信息包括所述信号参数或所述信号参数的指示信息。
- 根据权利要求42所述的信息发送方法,其中,所述信号参数包括以下至少一项:时域重叠系数τ;与τ对应的符号调制阶数;OVXDM定义的K_1;OVXDM定义的K或级联OVXDM定义的K_2;与K或K_2对应的符号调制阶数;频域重叠系数ζ;OVXDM定义的N;与N对应的符号调制阶数;发送所述编码信息的码率;滤波器的参数。
- 根据权利要求42所述的信息发送方法,其中,若所述通信设备为网络侧设备,所述第一信息通过以下方式之一发送:通过PDCCH;在PDSCH中通过Dedicated-RRC消息指示;通过广播消息指示;通过广播消息和Dedicated-RRC消息指示;通过广播消息和DCI指示。
- 根据权利要求42所述的信息发送方法,其中,若所述通信设备为终端,所述第一信息通过以下方式之一发送:通过PSCCH指示;在PSSCH中指示;通过广播消息指示。
- 一种信息发送装置,包括:第一发送模块,用于发送第一信息;第二发送模块,用于对数据进行OVXDM或FTN波形编码,生成编码信息并发送,所述编码信息基于信号参数生成和/或发送,所述第一信息包括所述信号参数或所述信号参数的指示信息。
- 一种通信设备,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至18任一项所述的信息发送方法的步骤,或者,所述程序或指令被所述处理器执行时实现如权利要求19至34任一项所述的信息接收方法的步骤,或者,所述程序或指令被所述处理器执行时实现如权利要求37至40任一项所述的信息接收方法的步骤,或者,所述程序或指令被所述处理器执行时实现如权利要求42至45任一项所述的信息发送方法的步骤。
- 一种可读存储介质,其中,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1-18任一项所述的信息发送方法的步骤,或者,实现如权利要求19至34任一项所述的信息接收方法的步骤,或者,实现如权利要求37至40任一项所述的信息接收方法的步骤,或者,实现如权利要求42至45任一项所述的信息发送方法的步骤。
- 一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现如权利要求1-18任一项所述的信息发送方法的步骤,或者,实现如权利要求19至34任一项所述的信息接收方法的步骤,或者,实现如权利要求37至40任一项所述 的信息接收方法的步骤,或者,实现如权利要求42至45任一项所述的信息发送方法的步骤。
- 一种计算机程序产品,其特征在于,所述程序产品被至少一个处理器执行以实现如权利要求1-18任一项所述的信息发送方法,或者,实现如权利要求19至34任一项所述的信息接收方法,或者,实现如权利要求37至40任一项所述的信息接收方法,或者,实现如权利要求42至45任一项所述的信息发送方法。
- 一种通信设备,所述通信设备被配置成用于执行如权利要求1至18任一项所述的信息发送方法,或者,所述通信设备被配置成用于执行如权利要求19至34任一项所述的信息接收方法,或者,,所述通信设备被配置成用于执行如权利要求37至40任一项所述的信息接收方法,或者,,所述通信设备被配置成用于执行如权利要求42至45任一项所述的信息发送方法。
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