Method and device used in wireless communication terminal and Internet of Things equipment

Abstract

The invention discloses a method and a device used in a wireless communication terminal and an Internet of Things device. A terminal receives a first PDRCH, and the first PDRCH adopts an OOK; a terminal sends a first signal, the first signal belongs to a first time window in a time domain, and the first time window comprises at least one OFDM symbol; the starting moment of the first time window is later than the cut-off moment of the first PDRCH; a starting OFDM symbol included in the first time window is the earliest OFDM symbol which is later than the first PDRCH by the minimum time length, and a cut-off OFDM symbol included in the first time window is the latest OFDM symbol, and the time interval between the cut-off OFDM symbol and the first PDRCH is not greater than the maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units. The present application ensures correct reception of transmission.

Description

Technical Field

[0001] This application relates to a transmission method and apparatus in a wireless communication system, and particularly to a scheme and apparatus for transmission time in wireless communication. Background Art

[0002] The application scenarios of future wireless communication systems are becoming more and more diversified, and different application scenarios put forward different performance requirements for the system. In order to meet the different performance requirements of various application scenarios, the research on the new radio access technology (NR, New Radio) (or 5G) was launched at the 72nd plenary session of 3GPP (3rd Generation Partner Project). With the wide application of 5G, new business models and new application scenarios are emerging continuously, such as the Ambient Internet of Things. The existing 5G standards cannot fully meet the new requirements, so 3GPP is preparing to start relevant preliminary research. Summary of the Invention

[0003] The 5G NR system initiated the research work on the Ambient Internet of Things (A-IoT) in Rel-19. In the ambient physical network, OOK is expected to be used for transmission between the reader and the Internet of Things device, and between the Internet of Things device and the reader. This research work has just started. The applicant anticipates through research that the ambient Internet of Things will also become an important part in the future 6G network. At the same time, the applicant discovers through research that in the ambient physical network, using the chip of OOK as the time-domain resource unit needs to be compatible with the existing 5G NR system.

[0004] Regarding the problem of the transmission time of signals using OOK in the future, this application discloses a solution. It should be noted that in the description of this application, the transmission between the reader and the Internet of Things device is taken as a typical application scenario or example; this application is also equally applicable to 6G networks or other scenarios facing similar problems in the future (such as other scenarios using OOK, or other scenarios supporting transmission time control, such as scenarios supporting full duplex, or scenarios supporting user equipment to user equipment transmission, or for different application scenarios, such as eMBB, URLLC, full duplex networks, non-terrestrial networks, communication and sensing integrated networks, intelligent metasurfaces, terahertz networks, V2X can also achieve similar technical effects. In addition, adopting a unified solution for different scenarios (including but not limited to eMBB, URLLC, full duplex networks, non-terrestrial networks, communication and sensing integrated networks, intelligent metasurfaces, terahertz networks, V2X scenarios) or different application parameters also helps to reduce hardware complexity and cost. Without conflict, the embodiments and features in the embodiments used in the terminal device can be applied to the Internet of Things device or base station device used in this application, and vice versa.

[0005] This application discloses a method for a terminal, characterized by including:

[0006] Receiving a first PDRCH, where the first PDRCH uses OOK;

[0007] Sending a first signal, where the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol;

[0008] Wherein, the start time of the first time window is later than the cut-off time of the first PDRCH; the start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and the cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to multiple OOK time units.

[0009] As an embodiment, when defining the transmission time window from the PDRCH (Physical Device to Reader Channel) to the corresponding reader to device by absolute time or OOK (On-Off Keying) time slice (Chip), it ensures the alignment of the reader's transmission with the boundary of the OFDM symbol, thus coexisting with existing communications, reducing inter-carrier and inter-symbol interference, and improving transmission performance.

[0010] According to one aspect of the present application, the above method is characterized in that the first PDRCH indicates at least one of the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length.

[0011] According to one aspect of the present application, the above method is characterized in that it includes:

[0012] Receiving a second signal;

[0013] Wherein, the second signal indicates the time length of an OOK time unit occupied by the first PDRCH.

[0014] According to one aspect of the present application, the above method is characterized in that the bit block carried by the first signal is used to generate a first bit sequence, the first bit sequence includes a plurality of successively indexed bits, and the first bit sequence is at least used to generate the first signal after transform precoding.

[0015] According to one aspect of the present application, the above method is characterized in that the target power value is equal to the transmission power value of the first signal, and the target power value is equal to the smaller value compared between the first upper limit value and the first power value; at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0016] According to one aspect of the present application, the above method is characterized in that at least one padding bit carried by the first PDRCH is a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH.

[0017] According to one aspect of the present application, the above method is characterized in that the first signal includes at least one control bit, and at least one control bit included in the first signal indicates the cut-off OOK time unit occupied by the first signal.

[0018] The present application discloses a method for an Internet of Things device, which is characterized in that it includes:

[0019] Sending a first PDRCH, the first PDRCH using OOK;

[0020] Receiving a first signal, the first signal belonging to a first time window in the time domain, the first time window including at least one OFDM symbol;

[0021] Among them, the start time of the first time window is later than the cut-off time of the first PDRCH; the start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by the minimum time length, and the cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than the maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0022] According to one aspect of the present application, the above method is characterized in that the first PDRCH indicates at least one of the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length.

[0023] According to one aspect of the present application, the above method is characterized by including:

[0024] Transmit a second signal;

[0025] Among them, the second signal indicates the time length of one OOK time unit occupied by the first PDRCH.

[0026] According to one aspect of the present application, the bit block carried by the first signal is used to generate a first bit sequence, the first bit sequence includes a plurality of sequentially indexed bits, and the first bit sequence is at least used to generate the first signal through transform precoding.

[0027] According to one aspect of the present application, the target power value is equal to the transmission power value of the first signal, and the target power value is equal to the smaller value compared between the first upper limit value and the first power value; at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0028] According to one aspect of the present application, at least one padding bit carried by the first PDRCH is a repeated transmission of the data bit carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bit carried by the first PDRCH.

[0029] According to one aspect of the present application, the first signal includes at least one control bit, and at least one control bit included in the first signal indicates the cut-off OOK time unit occupied by the first signal.

[0030] The present application discloses a terminal, which is characterized by including:

[0031] A first receiver that receives a first PDRCH, where the first PDRCH uses OOK;

[0032] A first transmitter that sends a first signal, where the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol;

[0033] Wherein, the start time of the first time window is later than the cut-off time of the first PDRCH; the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and the cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to multiple OOK time units.

[0034] This application discloses an Internet of Things device, which is characterized by including:

[0035] A second transmitter that sends a first PDRCH, where the first PDRCH uses OOK;

[0036] A second receiver that receives a first signal, where the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol;

[0037] Wherein, the start time of the first time window is later than the cut-off time of the first PDRCH; the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and the cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to multiple OOK time units. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, objects, and advantages of this application will become more apparent:

[0039] Figure 1 Shows a flowchart of a first PDRCH and a first signal according to an embodiment of this application;

[0040] Figure 2 Shows a schematic diagram of a network architecture according to an embodiment of this application;

[0041] Figure 3Shows a schematic diagram of the radio protocol architecture of the user plane and the control plane according to an embodiment of the present application;

[0042] Figure 4 Shows a schematic diagram of a terminal and an Internet of Things device according to an embodiment of the present application;

[0043] Figure 5 Shows a flowchart of wireless signal transmission according to an embodiment of the present application;

[0044] Figure 6 Shows a schematic diagram of the minimum time length and the maximum time length according to an embodiment of the present application;

[0045] Figure 7 Shows a schematic diagram of a second signal according to an embodiment of the present application;

[0046] Figure 8 Shows a schematic diagram of a first bit sequence according to an embodiment of the present application;

[0047] Figure 9 Shows a schematic diagram of a target power value according to an embodiment of the present application;

[0048] Figure 10 Shows a schematic diagram of padding bits according to an embodiment of the present application;

[0049] Figure 11 Shows a schematic diagram of the control bits included in a first signal according to an embodiment of the present application;

[0050] Figure 12 Shows a block diagram of a processing device in a terminal according to an embodiment of the present application;

[0051] Figure 13 Shows a block diagram of a processing device in an Internet of Things device according to an embodiment of the present application.

[0052] Figure 14 Shows a schematic diagram of the structure of an environmental Internet of Things device according to an embodiment of the present application. Detailed implementation manners

[0053] The technical solutions of the present application will be further described in detail below with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other.

[0054] Example 1

[0055] Embodiment 1 exemplifies Flowchart 100 of a first PDRCH and a first signal according to an embodiment of the present application, as shown in the attached Figure 1As shown in the attached Figure 1 In the figure, each box represents a step. It should be particularly emphasized that the order of the boxes in the figure does not limit the temporal sequence between the represented steps.

[0056] In Embodiment 1, the terminal in the present application receives a first PDRCH in step 101, and the first PDRCH uses OOK; the first node of the terminal in the present application sends a first signal in step 102, and the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol; wherein, the start time of the first time window is later than the cut-off time of the first PDRCH; the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by the minimum time length, and the cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than the maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0057] As an embodiment, the first PDRCH is a baseband signal or a radio frequency signal of the PDRCH.

[0058] As an embodiment, the first PDRCH includes a reference signal.

[0059] As an embodiment, the first PDRCH includes no reference signal.

[0060] As an embodiment, the first PDRCH is transmitted from an Internet of Things device to a reader.

[0061] As an embodiment, the first PDRCH carries physical layer control information.

[0062] As an embodiment, the first PDRCH does not carry physical layer control information.

[0063] As an embodiment, the first PDRCH carries only high-layer control information.

[0064] As an embodiment, the first PDRCH carries all or part of the bits in a TB (transport block).

[0065] As an embodiment, all or part of the bits in a TB are used to generate the first PDRCH.

[0066] As an embodiment, the first PDRCH is a signal including only high and low levels.

[0067] As an embodiment, the first PDRCH adopts OOK, which includes: the modulation method of the first PDRCH includes OOK.

[0068] As an embodiment, the first PDRCH adopts OOK, which includes: OOK is used to generate the first PDRCH.

[0069] As an embodiment, the first PDRCH adopts OOK, which includes: the generation process of the first PDRCH includes OOK.

[0070] As an embodiment, the first PDRCH adopts OOK, which includes: the coding method of the first PDRCH includes OOK.

[0071] As an embodiment, the first PDRCH adopts OOK, which includes: OOK is used to generate the modulation symbols of the first PDRCH.

[0072] As an embodiment, the first PDRCH adopts OOK, which includes: OOK is used for the waveform of the first PDRCH.

[0073] As an embodiment, the first PDRCH adopts OOK, which includes: the input sequence for transform precoding of the first PDRCH is a bit sequence.

[0074] As an embodiment, the first PDRCH adopts OOK, which includes: the input sequence for transform precoding of the first PDRCH is not a complex-valued sequence.

[0075] As an embodiment, the first PDRCH adopts OOK, which includes: the input sequence for transform precoding of the first PDRCH is an On / Off sequence.

[0076] As an embodiment, the first PDRCH adopts OOK, which includes: the input sequence for transform precoding of the first PDRCH is a high-low level sequence.

[0077] As an embodiment, the first PDRCH adopts OOK, which includes: the first PDRCH is a high-low level signal or an On / Off signal.

[0078] As an embodiment, "the first PDRCH adopts OOK" includes: the first PDRCH does not undergo complex-valued modulation.

[0079] As an embodiment, the first signal is a baseband signal or a radio frequency signal.

[0080] As an embodiment, the first signal includes a reference signal.

[0081] As an embodiment, the first signal does not include a reference signal.

[0082] As an embodiment, the first signal is a physical channel.

[0083] As an embodiment, the first signal is a PRDCH (Physical Reader to Device Channel).

[0084] As an embodiment, the first signal is a preamble of the PRDCH.

[0085] As an embodiment, the first signal includes a preamble.

[0086] As an embodiment, the first signal includes a start indicator.

[0087] As an embodiment, the first signal includes a clock acquisition part.

[0088] As an embodiment, the first signal carries physical layer control information.

[0089] As an embodiment, the first signal does not carry physical layer control information.

[0090] As an embodiment, the first signal carries only high layer control information.

[0091] As an embodiment, the first signal carries all or part of the bits in a TB (transport block).

[0092] As an embodiment, all or part of the bits in a TB are used to generate the first signal.

[0093] As an embodiment, the first signal is a signal including only high and low levels.

[0094] As an embodiment, the first time window includes a plurality of consecutive OFDM (Orthogonal Frequency Division Multiplexing) symbols.

[0095] As an embodiment, the first time window includes only one OFDM symbol.

[0096] As an embodiment, the first time window is a response time window of the PDRCH.

[0097] As an example, the first time window is the transmission time window of the PRDCH for the PDRCH.

[0098] As an example, the reader is required to send a response to the first PDRCH within the first time window.

[0099] As an example, the first signal belonging to the first time window in the time domain includes: all the time domain resources occupied by the first signal belong to the first time window.

[0100] As an example, the first signal belonging to the first time window in the time domain includes: the first time window includes all the time domain resources occupied by the first signal.

[0101] As an example, the first signal belonging to the first time window in the time domain includes: the first signal is transmitted within the first time window.

[0102] As an example, the start time of the first time window being later than the cut-off time of the first PDRCH includes: the first time window starts after the first PDRCH.

[0103] As an example, the start time of the first time window being later than the cut-off time of the first PDRCH includes: the start time of the first time window is later than the reception cut-off time of the first PDRCH.

[0104] As an example, the start time of the first time window being later than the cut-off time of the first PDRCH includes: the start time of the first time window is later than the transmission cut-off time of the first PDRCH.

[0105] As an example, the start time of the first time window being later than the cut-off time of the first PDRCH includes: the starting OFDM symbol (or the earliest OFDM symbol) included in the first time window is later than the cut-off OFDM symbol (or the latest OFDM symbol) occupied by the first PDRCH.

[0106] As an example, the start time of the first time window being later than the cut-off time of the first PDRCH includes: the starting OOK time unit included in the first time window is later than the cut-off OOK time unit occupied by the first PDRCH.

[0107] As an example, the starting OFDM symbol included in the first time window being the earliest OFDM symbol that is later than the first PDRCH by a minimum time length includes: the starting OFDM symbol included in the first time window is the earliest OFDM symbol whose start time is later than the cut-off time of the first PDRCH by the minimum time length.

[0108] As an example, the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, including: the first OFDM symbol is the starting OFDM symbol included in the first time window, and the time interval length between the starting moment of the first OFDM symbol and the cut-off moment of the first PDRCH is not less than the minimum time length, and the time interval length between the starting moment of any OFDM symbol earlier than the first OFDM symbol and the cut-off moment of the first PDRCH is less than the minimum time length.

[0109] As an example, the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, including: the starting moment of the first time window is the starting moment of the earliest OFDM symbol that is at least later than the cut-off moment of the first PDRCH by the minimum time length.

[0110] As an example, the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, including: the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by at least the minimum time length.

[0111] As an example, the ending OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than the maximum time length, including: the ending OFDM symbol included in the first time window is the latest OFDM symbol whose time interval between the ending moment and the cut-off moment of the first PDRCH is not greater than the maximum time length.

[0112] As an example, the ending OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than the maximum time length, including: the second OFDM symbol is the ending OFDM symbol included in the first time window, and the time interval between the ending moment of the second OFDM symbol and the cut-off moment of the first PDRCH is not greater than the maximum time length, and the time interval between the ending moment of any OFDM symbol later than the second OFDM symbol and the cut-off moment of the first PDRCH is greater than the maximum time length.

[0113] As an example, the last OFDM symbol included in the first time window, whose time interval from the first PDRCH is no greater than the maximum time length, includes: the end time of the first time window is the end time of the last OFDM symbol that is no more than the maximum time length later than the end time of the first PDRCH.

[0114] As an example, the last OFDM symbol included in the first time window, whose time interval from the first PDRCH is no greater than the maximum time length, includes: the last OFDM symbol included in the first time window is the last OFDM symbol that is no more than the maximum time length later than the first PDRCH.

[0115] As an example, the minimum time length is equal to the time length of at least one OFDM symbol.

[0116] As an example, the minimum time length is equal to the time length of at least one OOK time unit.

[0117] As an example, the minimum time length is expressed in terms of the number of OFDM symbols.

[0118] As an example, the minimum time length is expressed in terms of the number of OOK time units.

[0119] As an example, the minimum time length is absolute time.

[0120] As an example, the unit of the minimum time length is milliseconds.

[0121] As an example, the minimum time length is predefined, including: the minimum time length is fixed.

[0122] As an example, the minimum time length is predefined, including: the minimum time length is hard-coded in the protocol.

[0123] As an example, the minimum time length is predefined, including: the relationship between the minimum time length and another parameter is fixed.

[0124] As an example, the minimum time length is configured, including: the minimum time length is indicated by signaling (either explicitly or implicitly).

[0125] As an example, the minimum time length is configured, including: the minimum time length is indicated by the first PDRCH (either explicitly or implicitly).

[0126] As an embodiment, the configuration of the minimum time length includes: the minimum time length is indicated by the preamble of the first PDRCH (explicitly or implicitly).

[0127] As an embodiment, the configuration of the minimum time length includes: the minimum time length is indicated by the signaling from the network side (explicitly or implicitly).

[0128] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is an OOK chip.

[0129] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is a time unit obtained by dividing an OFDM symbol.

[0130] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is a time unit obtained by dividing an OFDM symbol excluding the cyclic prefix.

[0131] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is equal to the duration of one high level or one low level.

[0132] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is equal to twice the duration of one high level or one low level.

[0133] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is equal to the time length corresponding to one OOK bit.

[0134] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is half of an OOK chip.

[0135] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is equal to half of the time length corresponding to one OOK bit.

[0136] As an embodiment, any one of the multiple OOK time units corresponding to the maximum time length is equal to the duration of "01" or "10" in Manchester coding.

[0137] As an embodiment, any one of the plurality of OOK time units corresponding to the maximum time length is equal to the total duration of the high and low levels corresponding to one information bit in Manchester coding.

[0138] As an embodiment, any one of the plurality of OOK time units corresponding to the maximum time length is equal to the duration of one high level or one low level in Manchester coding.

[0139] As an embodiment, any one of the plurality of OOK time units corresponding to the maximum time length is the time length used to map (or represent) one bit in a multi-carrier symbol.

[0140] As an embodiment, the maximum time length is equal to the plurality of OOK time units for the first PDRCH.

[0141] As an embodiment, the maximum time length is equal to the total time length of the plurality of OOK time units.

[0142] As an embodiment, the time length of any one of the plurality of OOK time units corresponding to the maximum time length is equal to the time length of one OOK time unit occupied by the first PDRCH.

[0143] As an embodiment, the time length of any one of the plurality of OOK time units corresponding to the maximum time length is equal to the time length of one OOK time unit occupied by the first signal.

[0144] As an embodiment, the number of OOK time units corresponding to the maximum time length is configured.

[0145] As an embodiment, the first PDRCH indicates the number of OOK time units corresponding to the maximum time length.

[0146] As an embodiment, the preamble of the first PDRCH indicates the number of OOK time units corresponding to the maximum time length.

[0147] As an embodiment, a PRDCH indicates the number of OOK time units corresponding to the maximum time length.

[0148] As an embodiment, the PRDCH that triggers the first PDRCH indicates the number of OOK time units corresponding to the maximum time length.

[0149] As an example, the preamble of the PRDCH that triggers the first PDRCH indicates the number of OOK time units corresponding to the maximum time length.

[0150] Example 2

[0151] Example 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in the appendix Figure 2 shown. Appendix Figure 2A diagram illustrating the network architecture 200 of 6G, 5G NR, LTE (Long-Term Evolution), and LTE-A (Long-Term Evolution Advanced) systems. The 6G, 5G NR, or LTE network architecture 200 may be referred to as 6GS (6G System) / 5GS (5G System) / EPS (Evolved Packet System) 200 or some other suitable term. The 6GS / 5GS / EPS 200 may include one or more UEs (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, 6GC (6G Core Network) / 5GC (5G Core Network) / EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server) / UDM (Unified Data Management) 220, and Internet services 230. The 6GS / 5GS / EPS may be interconnected with other access networks, but these entities / interfaces are not shown for simplicity. As shown, the 6GS / 5GS / EPS provides packet-switched services. However, those skilled in the art will readily understand that the various concepts presented throughout this application can be extended to networks providing circuit-switched services or other cellular networks. The NG-RAN includes network nodes 203 and other network nodes 204. The network node 203 provides user and control plane protocol termination towards the UE 201. The network node 203 may be connected to other network nodes 204 via a backhaul. The network node 203 may also be referred to as an eNB, gNB, base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (Transmit Receive Point), or some other suitable term. The network node 203 provides an access point to the 6GC / 5GC / EPC 210 for the UE 201. Examples of the UE 201 include cellular phones, smartphones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband Internet of Things devices, machine type communication devices, land vehicles, automobiles, wearable devices, test equipment, test meters, test tools, or any other similar functional device.A person skilled in the art may also refer to UE201 as a mobile station, an IoT reader, a subscriber station, a mobile unit, a subscriber unit, a radio unit, a remote unit, a mobile device, a radio device, a radio communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a radio terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term. Examples of Device241 include RFID devices, electronic tags, sensor devices, cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband Internet of Things devices, machine type communication devices, land vehicles, automobiles, wearable devices, test equipment, test meters, test tools, or any other similar functional devices. A person skilled in the art may also refer to Device241 as an Internet of Things device, an environmental Internet of Things device, a mobile station, a subscriber station, a mobile unit, a subscriber unit, a radio unit, a remote unit, a mobile device, a radio device, a radio communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a radio terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term. The network node 203 is connected to 6GC / 5GC / EPC210 via the S1 / NG interface. 6GC / 5GC / EPC210 includes an MME (Mobility Management Entity) / AMF (Authentication Management Field) / SMF (Session Management Function) 211, other MME / AMF / SMF 214, an S-GW (Service Gateway) / UPF (User Plane Function) 212, and a P-GW (Packet Date Network Gateway) / UPF 213. The MME / AMF / SMF 211 is a control node that processes the signaling between UE201 and 6GC / 5GC / EPC210. Generally, the MME / AMF / SMF 211 provides bearer and connection management. All user IP (Internet Protocal) packets are transmitted through the S-GW / UPF 212, which is itself connected to the P-GW / UPF 213. The P-GW provides UE IP address allocation and other functions. The P-GW / UPF 213 is connected to the Internet service 230.The Internet service 230 includes the operator-corresponding Internet protocol services, which may specifically include the Internet, intranet, IMS (IP Multimedia Subsystem), and packet-switched streaming services.

[0152] As an example, the UE 201 corresponds to the terminal in this application.

[0153] As an example, the Device 241 corresponds to the Internet of Things device in this application.

[0154] Example 3

[0155] Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture for a user plane and a control plane according to this application, as shown in the appendix Figure 3 as shown. Figure 3 It is a schematic diagram illustrating an embodiment of a radio protocol architecture for the user plane 350 and the control plane 300. Figure 3The radio protocol architecture of the control plane 300 for terminals and Internet of Things (IoT) devices is shown in three layers: Layer 1, Layer 2, and Layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (Physical Layer) signal processing functions. Layer 1 will be referred to as PHY 301 in this document. Layer 2 (L2 layer) 305 is on top of PHY 301 and is responsible for the link between the terminal and the IoT device through PHY 301. Layer 2 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303 (if supported by the IoT device), and a PDCP (Packet Data Convergence Protocol) sublayer 304 (if supported by the IoT device), and these sublayers terminate at the IoT device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets and provides mobility support for the terminal device among IoT devices. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for disordered reception due to HARQ (if supported by the IoT device). The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in a cell among the first node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in Layer 3 (L3 layer) of the control plane 300 is responsible for obtaining radio resources (i.e., radio bearers) and configuring the lower layers using RRC signaling between the IoT device and the terminal. The radio protocol architecture of the user plane 350 includes Layer 1 (L1 layer) and Layer 2 (L2 layer). In the user plane 350, the radio protocol architecture for terminals and IoT devices is generally the same as the corresponding layers and sublayers in the control plane 300 for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355 (if supported by the IoT device), the RLC sublayer 353 in the L2 layer 355 (if supported by the IoT device), and the MAC sublayer 352 in the L2 layer 355, but the PDCP sublayer 354 also provides header compression for upper layer data packets to reduce radio transmission overhead.The L2 layer 355 in the user plane 350 further includes an SDAP (Service Data Adaptation Protocol) sub-layer 356 (if supported by the Internet of Things device). The SDAP sub-layer 356 is responsible for the mapping between QoS flows and data radio bearers (DRBs) to support service diversity. Although not shown, the terminal may have several upper layers above the L2 layer 355, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., a remote UE, server, etc.).

[0156] As an example, the Figure 3 radio protocol architecture in is applicable to the terminal described in this application.

[0157] As an example, the Figure 3 radio protocol architecture in is applicable to the Internet of Things device described in this application.

[0158] As an example, the first PDRCH in this application is generated in the MAC302, or MAC352, or the PHY301, or PHY351.

[0159] As an example, the first signal in this application is generated in the MAC302, or MAC352, or the PHY301, or PHY351.

[0160] As an example, the second signal in this application is generated in the MAC302, or MAC352, or the PHY301, or PHY351.

[0161] Example 4

[0162] Embodiment 4 shows a schematic diagram of a terminal and an Internet of Things device according to an embodiment of this application, as shown in the appendix Figure 4 shown.

[0163] In the terminal (410), a controller / processor 440, a memory 430, a receiving processor 412, a transmitter / receiver 416, and a transmitting processor 415 may be included. The transmitter / receiver 416 includes an antenna 420.

[0164] In the Internet of Things device (450), a controller / processor 490 (if supported), a memory 480, a receiving processor 452, a transmitter / receiver 456, and a transmitting processor 455 may be included. The transmitter / receiver 456 includes an antenna 460.

[0165] In the transmission from the terminal to the Internet of Things device, the upper layer packet is provided to the controller / processor 440. The controller / processor 440 implements the functions of L2 layer and above. The controller / processor 440 provides packet header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation based on various priority metrics. The controller / processor 440 is also responsible for HARQ operations, retransmission of lost packets, and high layer signaling to the Internet of Things device 450. The high layer information carried by the first signal in this application (when the first signal carries high layer information) is generated in the controller / processor 440. The transmit processor 415 implements various signal processing functions for the L1 layer (i.e., the physical layer), including coding, interleaving, scrambling, modulation, power control / assignment, precoding, and physical layer control signaling generation, etc. For example, the physical layer signal carrying the first signal is completed in the transmit processor 415. The generated modulation symbols are divided into parallel streams and each stream is mapped to the corresponding multi-carrier sub-carrier and / or multi-carrier symbol, and then mapped by the transmit processor 415 to the antenna 420 via the transmitter 416 and transmitted in the form of a radio frequency signal. At the receiving end, each receiver 456 receives the radio frequency signal through its corresponding antenna 460. Each receiver 456 recovers the baseband information modulated onto the radio frequency carrier (if baseband processing is supported), and provides the baseband information to the receive processor 452. The receive processor 452 implements various signal reception processing functions of the L1 layer. The signal reception processing functions include receiving the physical layer signal carrying the first signal in this application in this application, performing demodulation based on various modulation schemes (e.g., on-off keying (OOK), binary phase shift keying (BPSK)), then descrambling, decoding, and deinterleaving (if supported) to recover the data or control transmitted by the terminal 410 on the physical channel, and then providing the data and control signals to the controller / processor 490 (if the Internet of Things device supports it). The controller / processor 490 is responsible for the L2 layer and above. The controller / processor 490 interprets the high layer information. Including interpreting the high layer information carried by the first signal. The controller / processor may be associated with a memory 480 that stores program code and data. The memory 480 may be referred to as a computer-readable medium.

[0166] In the transmission from the Internet of Things device to the terminal, similar to the transmission from the terminal to the Internet of Things device, after the high-layer information is generated by the controller / processor 490 (if the Internet of Things device supports it), the transmitting processor 455 performs various signal transmitting processing functions for the L1 layer (i.e., the physical layer). The transmitting processor 455 is mapped to the antenna 460 via the transmitter 456 and is transmitted in the form of a radio frequency signal. The receiver 416 receives the radio frequency signal through its corresponding antenna 420. Each receiver 416 recovers the baseband information modulated onto the radio frequency carrier and provides the baseband information to the receiving processor 412. The receiving processor 412 performs various signal receiving processing functions for the L1 layer (i.e., the physical layer), and then provides the data and / or control signals to the controller / processor 440. The functions implemented by the controller / processor 440 in the L2 layer include interpreting the high-layer information. The controller / processor may be associated with a memory 430 that stores program code and data. The memory 430 may be a computer-readable medium.

[0167] As an embodiment, the terminal 410 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor, and the terminal at least: receives a first PDRCH, the first PDRCH using OOK; sends a first signal, the first signal belonging to a first time window in the time domain, the first time window including at least one OFDM symbol; wherein, the start time of the first time window is later than the cut-off time of the first PDRCH; the start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and the cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0168] As an embodiment, the terminal 410 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generating actions when executed by at least one processor, the actions including: receiving a first PDRCH, the first PDRCH using OOK; sending a first signal, the first signal belonging to a first time window in the time domain, the first time window including at least one OFDM symbol; wherein, a start time of the first time window is later than a cut-off time of the first PDRCH; a start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, a cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0169] As an embodiment, the Internet of Things device 450 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code being configured to be used together with the at least one processor. The Internet of Things device 450 at least: sends a first PDRCH, the first PDRCH using OOK; receives a first signal, the first signal belonging to a first time window in the time domain, the first time window including at least one OFDM symbol; wherein, a start time of the first time window is later than a cut-off time of the first PDRCH; a start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, a cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0170] As an example, the Internet of Things device 450 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generating actions when executed by at least one processor, the actions including: sending a first PDRCH, the first PDRCH using OOK; receiving a first signal, the first signal belonging to a first time window in the time domain, the first time window including at least one OFDM symbol; wherein, a start time of the first time window is later than a cut-off time of the first PDRCH; a start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, a cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0171] As an example, the terminal 410 is a user equipment (UE).

[0172] As an example, the Internet of Things device 450 is a device of the environmental Internet of Things.

[0173] As an example, the Internet of Things device 450 is an RFID device.

[0174] As an example, the receiver 416 (including the antenna 420), the receiving processor 412, and the controller / processor 440 are used to receive the first PDRCH in this application.

[0175] As an example, the receiver 416 (including the antenna 420), the receiving processor 412, and the controller / processor 440 are used to receive the second signal in this application.

[0176] As an example, the transmitter 416 (including the antenna 420), the transmitting processor 415, and the controller / processor 440 are used to send the first signal in this application.

[0177] As an example, the transmitter 456 (including the antenna 460), the transmitting processor 455, and the controller / processor 490 are used to send the first PDRCH in this application.

[0178] As an example, the transmitter 456 (including the antenna 460), the transmitting processor 455, and the controller / processor 490 are used to send the second signal in this application.

[0179] As an example, the receiver 456 (including the antenna 460), the receiving processor 452, and the controller / processor 490 are used to receive the first signal in the present application.

[0180] Example 5

[0181] Example 5 exemplifies a wireless signal transmission flowchart according to an embodiment of the present application, as shown in the appendix Figure 5 shown. In the appendix Figure 5 , the terminal N500 is a reader device of the Internet of Things device U550. It should be specifically noted that the order in this example does not limit the signal transmission order and the implementation order in the present application.

[0182] For Terminal N500 , the second signal is received in step S501, the first PDRCH is received in step S502, and the first signal is sent in step S503;

[0183] For IoT device U550 , the second signal is sent in step S551, the first PDRCH is sent in step S552, and the first signal is received in step S553.

[0184] In Example 5, the first PDRCH uses OOK; the first signal belongs to the first time window in the time domain, and the first time window includes at least one OFDM symbol; the start time of the first time window is later than the cut-off time of the first PDRCH; the start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by the minimum time length, and the cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than the maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to multiple OOK time units; the second signal indicates the time length of one OOK time unit occupied by the first PDRCH.

[0185] Example 6

[0186] Example 6 exemplifies a schematic diagram of the maximum time length and the minimum time length according to an embodiment of the present application, as shown in the appendix Figure 6 shown. In the appendix Figure 6 , the horizontal axis represents time, and the two rectangular boxes represent the first PDRCH and the first signal respectively.

[0187] In Example 6, the first PDRCH in the present application indicates at least one of the number of OOK time units corresponding to the maximum time length in the present application or the number of OOK time units corresponding to the minimum time length in the present application.

[0188] As an embodiment, the first PDRCH indicates the maximum time length or the minimum time length, solving the problem of inconsistent understanding of the time window between the reader and the IoT device caused by the power interruption of the IoT device and ensuring successful transmission.

[0189] As an embodiment, at least one of the first PDRCH indicating the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length includes: the first PDRCH indicating the number of OOK time units corresponding to the maximum time length and the number of OOK time units corresponding to the minimum time length.

[0190] As an embodiment, at least one of the first PDRCH indicating the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length includes: the first PDRCH indicating the number of OOK time units corresponding to the maximum time length.

[0191] As an embodiment, at least one of the first PDRCH indicating the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length includes: the first PDRCH indicating the number of OOK time units corresponding to the minimum time length.

[0192] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the control information of the physical layer or the high layer carried by the first PDRCH indicating the number of OOK time units corresponding to the maximum time length.

[0193] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the preamble carried by the first PDRCH indicating the number of OOK time units corresponding to the maximum time length.

[0194] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the mid-ample carried by the first PDRCH indicating the number of OOK time units corresponding to the maximum time length.

[0195] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicating the number of OOK time units included in the maximum time length.

[0196] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the maximum time length is equal to M1 OOK time units, where M1 is a positive integer greater than 1; the preamble carried by the first PDRCH indicates the M1.

[0197] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicates the number of the multiple OOK time units equal to the maximum time length.

[0198] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicates the number of OOK time units corresponding to the maximum time length for the first PDRCH.

[0199] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicates the number of OOK time units corresponding to the maximum time length for the first signal.

[0200] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicates the number of OOK time units whose time length corresponding to the maximum time length is equal to the OOK time units occupied by the first PDRCH.

[0201] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicates the value quantity of at least one parameter used to calculate the maximum time length.

[0202] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicates the value quantity of at least one parameter used to calculate the number of OOK time units corresponding to the maximum time length.

[0203] As an embodiment, the first PDRCH indicating the number of OOK time units corresponding to the maximum time length includes: the first PDRCH indicates the value quantity of at least one parameter included in the number of OOK time units corresponding to the maximum time length.

[0204] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the control information of the physical layer or the higher layer carried by the first PDRCH indicating the number of OOK time units corresponding to the minimum time length.

[0205] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the preamble carried by the first PDRCH indicating the number of OOK time units corresponding to the minimum time length.

[0206] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the mid-ample carried by the first PDRCH indicating the number of OOK time units corresponding to the minimum time length.

[0207] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the first PDRCH indicating the number of OOK time units included in the minimum time length.

[0208] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the minimum time length is equal to M2 OOK time units, where M2 is a positive integer; the preamble carried by the first PDRCH indicating the M2.

[0209] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the first PDRCH indicating the number of the multiple OOK time units equal to the minimum time length.

[0210] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the first PDRCH indicating the number of OOK time units corresponding to the minimum time length for the first PDRCH.

[0211] As an example, the first PDRCH indicating the number of OOK time units corresponding to the minimum time length includes: the first PDRCH indicating the number of OOK time units corresponding to the minimum time length for the first signal.

[0212] As an embodiment, the number of OOK time units corresponding to the minimum time length indicated by the first PDRCH includes: the time length corresponding to the minimum time length indicated by the first PDRCH is equal to the number of OOK time units of the OOK time units occupied by the first PDRCH.

[0213] As an embodiment, the number of OOK time units corresponding to the minimum time length indicated by the first PDRCH includes: the first PDRCH indicates the value of at least one parameter used to calculate the number of OOK time units corresponding to the minimum time length.

[0214] As an embodiment, the number of OOK time units corresponding to the minimum time length indicated by the first PDRCH includes: the first PDRCH indicates the value of at least one parameter included in the number of OOK time units corresponding to the minimum time length.

[0215] Example 7

[0216] Embodiment 7 exemplifies a schematic diagram of a second signal according to an embodiment of the present application, as shown in the appendix Figure 7 shown. In the appendix Figure 7 the horizontal axis represents time, the thick broken line represents the second signal, and the thin broken line represents the first PDRCH.

[0217] In Embodiment 7, the second signal in the present application indicates the time length of an OOK time unit occupied by the first PDRCH in the present application.

[0218] As an embodiment, by indicating the time length of the OOK time unit occupied by the first PDRCH through the second signal, blind detection of the OOK time unit length adopted by the PDRCH by the reader can be avoided, and the reception performance of the PDRCH can be improved.

[0219] As an embodiment, the second signal is a baseband signal or a radio frequency signal.

[0220] As an embodiment, the second signal includes a reference signal.

[0221] As an embodiment, the second signal is a physical channel.

[0222] As an embodiment, the second signal includes a synchronization signal.

[0223] As an embodiment, the second signal includes a timing acquisition signal.

[0224] As an embodiment, the second signal includes a start indication signal.

[0225] As an embodiment, the second signal includes a tracking signal.

[0226] As an embodiment, the second signal includes a cutoff indication signal.

[0227] As an embodiment, the second signal includes a preamble signal.

[0228] As an embodiment, the second signal is transmitted on a physical channel from the IoT device to the reader.

[0229] As an embodiment, the second signal carries physical layer control information.

[0230] As an embodiment, the second signal does not carry physical layer control information.

[0231] As an embodiment, the second signal only carries high-layer control information.

[0232] As an embodiment, the second signal is a signal including only high and low levels.

[0233] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the physical layer or high-layer information carried by the second signal indicating the time length of an OOK time unit occupied by the first PDRCH.

[0234] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating the number of sampling points corresponding to an OOK time unit occupied by the first PDRCH.

[0235] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating the number of OOK time units occupied by the first PDRCH in a time window.

[0236] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating the number of OOK time units occupied by the first PDRCH corresponding to a time interval.

[0237] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating the absolute time length corresponding to an OOK time unit occupied by the first PDRCH.

[0238] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating the time length of an OOK time unit occupied by the first PDRCH from among a plurality of predefined or configured candidate time lengths.

[0239] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating a ratio value between the time length of an OOK time unit occupied by the first PDRCH and the time length of an OOK time unit occupied by the first signal.

[0240] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating a magnitude relationship between the time length of an OOK time unit occupied by the first PDRCH and the time length of an OOK time unit occupied by the first signal.

[0241] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the second signal indicating a difference value between the time length of an OOK time unit occupied by the first PDRCH and the time length of an OOK time unit occupied by the first signal.

[0242] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the time length of an OOK time unit occupied by the first PDRCH being dependent on the time length of an OOK time unit occupied by the second signal.

[0243] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: there being a corresponding relationship between the time length of an OOK time unit occupied by the first PDRCH and the time length of an OOK time unit occupied by the second signal.

[0244] As an embodiment, the second signal indicating the time length of an OOK time unit occupied by the first PDRCH includes: the time length of an OOK time unit occupied by the first PDRCH being equal to the time length of an OOK time unit occupied by the second signal.

[0245] As an example, the time length of an OOK time unit occupied by the first PDRCH indicated by the second signal includes: the time length of an OOK time unit occupied by the first PDRCH and the time length of an OOK time unit occupied by the second signal have a proportional relationship.

[0246] As an example, the time length of an OOK time unit occupied by the first PDRCH indicated by the second signal includes: the time length of an OOK time unit occupied by the first PDRCH and the time length of an OOK time unit occupied by the second signal have a linear relationship.

[0247] Example 8

[0248] Example 8 exemplifies a schematic diagram of a first bit sequence according to an embodiment of the present application, as shown in the appendix Figure 8 as shown. In the appendix Figure 8 as shown, in Method A and Method B, each small box represents 1 bit, and the number inside represents the bit value; in each method, the top row of bits represents the bit block carried by the first signal, and the bottom row of bits represents the first bit sequence.

[0249] In Example 8, the bit block carried by the first signal in the present application is used to generate a first bit sequence, the first bit sequence includes multiple sequentially indexed bits, and the first bit sequence is at least used to generate the first signal through transform precoding.

[0250] As an example, the bit block carried by the first signal includes at least 1 bit.

[0251] As an example, the bit block carried by the first signal only includes 1 bit.

[0252] As an example, the bit block carried by the first signal includes multiple bits.

[0253] As an example, each bit included in the bit block carried by the first signal is an information bit.

[0254] As an example, the bit block carried by the first signal includes information bits and bits other than information bits.

[0255] As an example, the bit block carried by the first signal includes CRC bits.

[0256] As an example, the bit block carried by the first signal includes padding bits.

[0257] As an example, the bit block carried by the first signal includes high-layer information.

[0258] As an example, the bit block carried by the first signal includes physical-layer information.

[0259] As an example, the bit block carried by the first signal includes information of the core network (CN).

[0260] As an example, the bit block carried by the first signal includes information of the radio access network (RAN).

[0261] As an example, the bit block carried by the first signal is the bit block transmitted on the first signal.

[0262] As an example, the bit block carried by the first signal is the bit block used to generate the first signal.

[0263] As an example, the information bits for generating the first signal include the bit block carried by the first signal.

[0264] As an example, the bit block carried by the first signal is the bit block mapped to the first signal.

[0265] As an example, the bit block carried by the first signal is the bit block where resources are mapped to the resources allocated for the first signal.

[0266] As an example, the bit block carried by the first signal includes at least one field in the information format carried by the first signal.

[0267] As an example, the bit block carried by the first signal is configured by the base station.

[0268] As an example, the bit block carried by the first signal is generated from the high layer.

[0269] As an example, the bit block carried by the first signal is transferred from the high layer of the terminal to the physical layer.

[0270] As an example, the bit block carried by the first signal is determined by the scheduler and the scheduling algorithm.

[0271] As an example, the bit block carried by the first signal is related to implementation.

[0272] As an example, the first bit sequence is the bit block carried by the first signal.

[0273] As an example, the bit block carried by the first signal is composed of some bits in the first bit sequence.

[0274] As an example, any bit in the bit block carried by the first signal belongs to the first bit sequence.

[0275] As an example, there is a bit in the first bit sequence that is outside the bit block carried by the first signal.

[0276] As an example, the first bit sequence is a bit sequence obtained by processing or transforming the bit block carried by the first signal.

[0277] As an example, the number of bits included in the first bit sequence is greater than the number of bits included in the bit block carried by the first signal.

[0278] As an example, the number of bits included in the first bit sequence is equal to the number of bits included in the bit block carried by the first signal.

[0279] As an example, the number of bits included in the first bit sequence is less than the number of bits included in the bit block carried by the first signal.

[0280] As an example, all bits in the first bit sequence are indexed in sequence.

[0281] As an example, the first bit sequence includes multiple bits indexed sequentially starting from 0.

[0282] As an example, the first bit sequence includes multiple bits indexed by 0, 1, 2,....

[0283] As an example, the first bit sequence includes multiple bits indexed sequentially starting from 1.

[0284] As an example, the first bit sequence includes multiple bits indexed by 1, 2, 3,....

[0285] As an example, the index of any bit in the first bit sequence is a non - negative integer.

[0286] As an example, the index of any bit in the first bit sequence is a positive integer.

[0287] As an example, "the bit block carried by the first signal is used to generate the first bit sequence" includes: the bit block carried by the first signal is used by the base station device to generate the first bit sequence.

[0288] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the terminal assumes or expects or believes that the bit block carried by the first signal is used to generate the first bit sequence.

[0289] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal generates the first bit sequence through at least oversampling.

[0290] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal generates the first bit sequence through at least repetition. As a subsidiary example of the above example, bit repetition can improve the robustness and coverage performance of the first signal.

[0291] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal generates the first bit sequence through at least Manchester coding and bit repetition.

[0292] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal generates the first bit sequence through at least extension / spreading.

[0293] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal generates the first bit sequence through at least channel coding.

[0294] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal generates the first bit sequence through at least Fourier transform or inverse Fourier transform.

[0295] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal generates the first bit sequence through at least block repetition.

[0296] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal is at least rate-matched to generate the first bit sequence.

[0297] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal is concatenated with at least a plurality of bit blocks to generate the first bit sequence.

[0298] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: each bit in the bit block carried by the first signal is continuously repeated to generate a bit segment in the first bit sequence.

[0299] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal is at least coded to generate the first bit sequence.

[0300] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal is at least Manchester-coded to generate the first bit sequence.

[0301] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal is at least Manchester-coded and OOK-generated to generate the first bit sequence.

[0302] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal is at least truncated / shortened to generate the first bit sequence.

[0303] As an example, "the bit block carried by the first signal is used to generate a first bit sequence" includes: the bit block carried by the first signal is at least paddingbit-inserted to generate the first bit sequence.

[0304] As an example, the number of RBs occupied by the first signal in the frequency domain is equal to where α2, α3, and α5 are all non-negative integers.

[0305] As an example, the transform precoding includes DFT (Discrete Fourier Transform).

[0306] As an example, the transform precoding includes FFT (Fast Fourier Transform).

[0307] As an example, the transform precoding is the transform used when generating the waveform of DFT-s-OFDM.

[0308] As an example, the transform precoding is a transform that transforms a time-domain digital signal into a frequency-domain digital signal.

[0309] As an example, the transform precoding is a transform that causes a digital signal to transform from the time domain to the frequency domain.

[0310] As an example, the transform precoding includes at least one of oversampling, grouping, and DFT (Discrete Fourier Transform).

[0311] As an example, "the first bit sequence is at least used to generate the first signal after transform precoding" includes: the first bit sequence is at least used by the terminal to generate the first signal after transform precoding.

[0312] As an example, "the first bit sequence is at least used to generate the first signal after transform precoding" includes: the first bit sequence generates the first signal through at least DFT or FFT transform.

[0313] As an example, "the first bit sequence is at least used to generate the first signal after transform precoding" includes: the first bit sequence generates the first signal through at least oversampling and DFT or FFT transform.

[0314] As an example, "the first bit sequence is at least used to generate the first signal after transform precoding" includes: the first bit sequence generates the first signal through at least Manchester coding and DFT or FFT transform.

[0315] As an example, "the first bit sequence is at least used to generate the first signal after transform precoding" includes: the first bit sequence generates the baseband signal of the first signal through at least transform precoding.

[0316] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the first bit sequence generates a radio frequency signal of the first signal after at least transform precoding.

[0317] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the first bit sequence is used as the input of transform precoding to generate the first signal.

[0318] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the sequence output by inputting the first bit sequence into a transform precoder is used to generate the first signal.

[0319] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: at least transform precoding is adopted in the process of generating the first signal using the first bit sequence.

[0320] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the first bit sequence passes through at least a transform precoder in the process of generating the first signal.

[0321] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the sequence output by inputting the first bit sequence after being processed (or transformed) into a transform precoder is used to generate the first signal.

[0322] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the first bit sequence generates the first signal after at least transform precoding, mapping to physical resources, OFDM baseband signal generation, modulation and upconversion.

[0323] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the first bit sequence generates the first signal after at least transform precoding, mapping to physical resources, OFDM baseband signal generation.

[0324] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the first bit sequence is used to generate the first signal after at least layer mapping, transform precoding, mapping to physical resources, OFDM baseband signal generation, modulation, and upconversion.

[0325] As an example, "the first bit sequence is used to generate the first signal after at least transform precoding" includes: the first bit sequence is used to generate the first signal after at least transform precoding, precoding, mapping to physical resources, OFDM baseband signal generation, modulation, and upconversion.

[0326] Example 9

[0327] Embodiment 9 exemplifies a schematic diagram of a target power value according to an embodiment of the present application, as shown in the appendix Figure 9 as shown. In the appendix Figure 9 the vertical axis represents power, and the hatched rectangle represents the target power value, which is equal to the smaller value compared between the first upper limit value and the first power value.

[0328] In Embodiment 9, the target power value is equal to the transmission power value of the first signal in the present application, and the target power value is equal to the smaller value compared between the first upper limit value and the first power value; at least one of the first upper limit value and the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol.

[0329] As an example, obtaining the maximum output power value or the actual output power value according to the number of OOK chips or the number of OOK bits that can be transmitted in an OFDM symbol takes into account the influence of different OOK configurations on radio frequency devices or interference states, optimizes the transmission power when using OOK transmission, and reduces the implementation complexity while improving performance.

[0330] As an example, the unit of the target power value is dBm.

[0331] As an example, the unit of the target power value is watt or milliwatt.

[0332] As an embodiment, the target power value is equal to the transmission power in the transmission occasion to which the first signal belongs in the time domain and the uplink BWP to which the first signal belongs in the frequency domain.

[0333] As an embodiment, the target power value is the transmission power value of the first signal at the antenna connector.

[0334] As an embodiment, the target power value is the transmission power value of the baseband of the first signal.

[0335] As an embodiment, the target power value is the transmission power value of the radio frequency of the first signal.

[0336] As an embodiment, the target power value does not include the antenna gain.

[0337] As an embodiment, the target power value includes the antenna gain.

[0338] As an embodiment, the target power value is equal to P PRDCH,b,f,c (i, j, q d , l).

[0339] As an embodiment, the target power value is equal to the average value of the power of the OOK adopted by the first signal at all constellation points.

[0340] As an embodiment, the target power value is equal to the average value of the high-level power and the low-level power of the OOK adopted by the first signal.

[0341] As an embodiment, the target power value is equal to half of the high-level power of the OOK adopted by the first signal.

[0342] As an embodiment, the target power value is equal to the normalized transmission power value of the first signal.

[0343] As an embodiment, the target power value is equal to the average value of all level energies in the OOK adopted by the first signal.

[0344] As an embodiment, the first upper limit value is the value of P CMAX,f,c (i) corresponding to the first signal.

[0345] As an embodiment, the first upper limit value is equal to the sum or difference between the value of P CMAX,f,c (i) corresponding to the first signal and an offset value.

[0346] As an example, the first upper limit value is the configured maximum output power of the sender of the first signal.

[0347] As an example, the first upper limit value is equal to the sum or difference between the configured maximum output power of the sender of the first signal and an offset value.

[0348] As an example, the first upper limit value is equal to the configured maximum output power value for the first signal.

[0349] As an example, the first upper limit value is equal to the sum or difference between the configured maximum output power value for the first signal and an offset value.

[0350] As an example, the first upper limit value is the configured maximum output power of the sender of the first signal in R2D.

[0351] As an example, the first upper limit value is the configured maximum output power of the sender of the first signal in the carrier occupied by the serving cell to which the first signal belongs and in the transmission opportunity to which the first signal belongs in the time domain.

[0352] As an example, the first upper limit value is a power value related to the radio frequency characteristics of the sender of the first signal when transmitting the first signal.

[0353] As an example, the first power value is equal to the transmission power value of the first signal when the transmission power does not exceed the first upper limit value.

[0354] As an example, the first power value is equal to the transmission power value obtained by power control of the first signal.

[0355] As an example, the first power value is equal to the transmission power value obtained by power control of a virtual (or reference) uplink signal.

[0356] As an example, the first power value is equal to the transmission power value obtained by power control of the virtual uplink signal corresponding to the first signal.

[0357] As an example, the first power value is equal to the transmission power value of the first signal obtained based on the path loss adopted in uplink power control.

[0358] As an example, the first power value is the transmission power value calculated through open loop power control when transmitting the first signal.

[0359] As an example, the first power value is a transmission power value related to the downlink path loss (PL) of the sender of the first signal.

[0360] As an example, the first power value is equal to the P corresponding to the first signal O _ P xx CH value, the value corresponding to the first signal value, the α corresponding to the first signal PxxCH ·PL PxxCH value sum, where PxxCH represents the first signal, represents the number of RBs included in the first signal in the frequency domain, μ represents the subcarrier spacing of the subcarriers included in the first signal in the frequency domain, P O_PxxCH and α PxxCH represent respectively configured values, PL PxxCH represents the path loss.

[0361] As an example, the first power value is equal to the P corresponding to the first signal O_PxxCH,b,f,c (j) value, the value corresponding to the first signal value, the α corresponding to the first signal b,f,c (j)·PL b,f,c (q d ) value sum, where PxxCH represents the first signal, represents the number of RBs included in the first signal in the frequency domain, μ represents the subcarrier spacing of the subcarriers included in the first signal in the frequency domain, P O_PxxCH,b,f,c (j) and α b,f,c (j) represent respectively configured values, PL b,f,c (q d ) represents the path loss.

[0362] As an example, the unit of the first upper limit value is dBm, and the unit of the first power value is dBm.

[0363] As an example, the unit of the first upper limit value is watt or milliwatt, and the unit of the first power value is watt or milliwatt.

[0364] As an example, the units of the first upper limit value, the first power value, and the transmission power of the first signal are all the same.

[0365] As an embodiment, the technical feature that "the target power value is equal to the smaller value compared between the first upper limit value and the first power value" includes the following meanings: when the first upper limit value is greater than the first power value, the target power value is equal to the first power value; when the first upper limit value is less than the first power value, the target power value is equal to the first upper limit value; when the first upper limit value is equal to the first power value, the target power value is equal to the first upper limit value or the first power value.

[0366] As an embodiment, the technical feature that "the target power value is equal to the smaller value compared between the first upper limit value and the first power value" includes the following meaning: the target power value is equal to the result of taking the smaller value (min) between the first upper limit value and the first power value.

[0367] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: both the first upper limit value and the first power value depend on the number of OOK time units included in the first signal in an OFDM symbol.

[0368] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: at least one of the first upper limit value or the first power value depends on the number of bits carried by the first signal in an OFDM symbol.

[0369] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: at least one of the first upper limit value or the first power value depends on the number of information bits carried by the first signal in an OFDM symbol.

[0370] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: at least one of the first upper limit value or the first power value depends on the number of bits after Manchester coding carried by the first signal in an OFDM symbol.

[0371] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: at least one of the first upper limit value or the first power value depends on the time length of at least one OOK time unit included in the first signal in one OFDM symbol.

[0372] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0373] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0374] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the value of at least one parameter for calculating (or setting or configuring) the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0375] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the value of at least one parameter for calculating (or setting or configuring) the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0376] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the value of at least one parameter included in the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0377] As an example, "at least one of the first upper limit value and the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the value of at least one parameter included in the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0378] As an example, "at least one of the first upper limit value and the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: at least one of the first upper limit value and the first power value is related to the number of OOK time units included in the first signal in one OFDM symbol.

[0379] As an example, "at least one of the first upper limit value and the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the number of OOK time units included in the first signal in one OFDM symbol is used to determine (or calculate) at least one of the first upper limit value and the first power value.

[0380] As an example, "at least one of the first upper limit value and the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the first power value depends on the frequency domain bandwidth of the first signal; the frequency bandwidth of the first signal is related to the number of OOK time units included in the first signal in one OFDM symbol.

[0381] As an example, "at least one of the first upper limit value and the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the MPR (maximum power reduction) value for the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol. As a sub - example of the above example, associating the MPR value with the number of OOK time units takes into account the peak - to - average power ratio characteristic of OOK and ensures the transmission efficiency.

[0382] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the A-MPR (additional maximum power reduction) value for the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol. As a subsidiary example of the above example, associating the A-MPR value with the number of OOK time units takes into account the special impact of OOK on power and does not change the existing MPR setting, ensuring the transmission efficiency while optimizing the overall performance.

[0383] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the P-MPR (power management maximum power reduction) value for the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol. As a subsidiary example of the above example, associating the P-MPR value with the number of OOK time units takes the impact of OOK on power into account in the overall power management, simplifying the design while ensuring the flexibility of implementation.

[0384] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the value of a parameter other than MPR or A-MPR or P-MPR for the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol. As a subsidiary example of the above example, associating the value of a parameter other than MPR or A-MPR or P-MPR with the number of OOK time units takes into account the special impact of OOK on power while providing the greatest flexibility.

[0385] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: ΔT C,c for the first upper limit value depends on the number of OOK time units included in the first signal in one OFDM symbol. As a subsidiary example of the above example, ΔT C,cThe value is associated with the number of OOK time units, taking the impact of OOK on power into the tolerance limit, and reducing the impact on the standard.

[0386] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: ΔP for the first upper limit value PowerClass The value depends on the number of OOK time units included in the first signal in an OFDM symbol. As a subsidiary embodiment of the above embodiment, ΔP PowerClass The value is associated with the number of OOK time units, thereby taking the characteristics of OOK in the time domain into account in power level setting (or power enhancement), and improving transmission performance.

[0387] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: the first upper limit value or the value of a parameter for the first upper limit value is linearly related to the number of OOK time units included in the first signal in an OFDM symbol.

[0388] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: the first upper limit value or the value of a parameter for the first upper limit value is linearly related to the logarithm of the number of OOK time units included in the first signal in an OFDM symbol.

[0389] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: the first upper limit value or the value of a parameter for the first upper limit value has a tabular correspondence with the number of OOK time units included in the first signal in an OFDM symbol.

[0390] As an embodiment, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol" includes: the first upper limit value or the value of a parameter for the first upper limit value is in a proportional relationship with the number of OOK time units included in the first signal in an OFDM symbol.

[0391] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the first power value or the value of a parameter for the first power value is linearly related to the number of OOK time units included in the first signal in one OFDM symbol.

[0392] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the first power value or the value of a parameter for the first power value has a tabular correspondence with the number of OOK time units included in the first signal in one OFDM symbol.

[0393] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the first power value or the value of a parameter for the first power value is linearly related to the logarithm of the number of OOK time units included in the first signal in one OFDM symbol.

[0394] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: the first power value or the value of a parameter for the first power value is proportional to the logarithm of the number of OOK time units included in the first signal in one OFDM symbol.

[0395] As an example, "at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol" includes: for the first power value the value depends on the number of OOK time units included in the first signal in one OFDM symbol, where represents the number of RBs occupied or mapped by the first signal PxxCH.

[0396] As an embodiment, the first upper limit value depends on a first parameter value, which is the parameter value obtained by assuming that the first signal adopts DFT-s-OFDM, and the first parameter value depends on the number of OOK time units included in the first multi-carrier symbol. As a sub-embodiment of the above embodiment, the first parameter value is the value of MPR. As a sub-embodiment of the above embodiment, the first parameter value is the value of A-MPR. As a sub-embodiment of the above embodiment, the first parameter value is the value of P-MPR.

[0397] As an embodiment, the first power value depends on a first path loss and the frequency-domain bandwidth of the first signal; the first path loss is the downlink path loss, and the frequency-domain bandwidth of the first signal is related to the number of OOK time units included in the first multi-carrier symbol.

[0398] Example 10

[0399] Embodiment 10 exemplifies a schematic diagram of padding bits according to an embodiment of the present application, as shown in the appendix Figure 10 as shown. In the appendix Figure 10 In it, in cases A, B, and C, the part enclosed by the thick line frame represents the data bits carried by the first PDRCH, and the part filled with slashes represents the bits copied by the padding bits; in cases A and B, the padding bits copy the data bits carried by the first PDRCH; in case A, the padding bits are before the CRC bits, and the padding bits are also used to generate the CRC bits; in case B, the padding bits are after the CRC bits, and the padding bits are not used to generate the CRC bits; in case C, the padding bits copy the CRC bits.

[0400] In Embodiment 10, at least one padding bit carried by the first PDRCH in the present application is a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH.

[0401] As an embodiment, the padding bits are repeated transmissions of information bits or CRC bits, which can improve the reception or decoding performance of the first PDRCH.

[0402] As an embodiment, the data bits carried by the first PDRCH are the information bits carried by the first PDRCH.

[0403] As an embodiment, the data bits carried by the first PDRCH are the high-layer bits carried by the first PDRCH.

[0404] As an embodiment, the data bits carried by the first PDRCH are the core network information bits carried by the first PDRCH.

[0405] As an embodiment, the data bits carried by the first PDRCH are the MAC (Medium Access Control) information bits carried by the first PDRCH.

[0406] As an embodiment, the data bits carried by the first PDRCH are the bits in the MAC PDU (Protocol Data Unit) carried by the first PDRCH.

[0407] As an embodiment, the data bits carried by the first PDRCH are the bits in the MAC SDU (Service Data Unit) carried by the first PDRCH.

[0408] As an embodiment, the data bits carried by the first PDRCH are the transport block (TB, transport block) transmitted on the first PDRCH.

[0409] As an embodiment, the data bits carried by the first PDRCH are the bits mapped on the first PDRCH.

[0410] As an embodiment, the data bits carried by the first PDRCH are the bits used to generate the first PDRCH.

[0411] As an embodiment, the data bits carried by the first PDRCH are passed from the upper layer of the terminal to the physical layer.

[0412] As an embodiment, the number of data bits carried by the first PDRCH is determined by the scheduler and the scheduling algorithm.

[0413] As an embodiment, the number of data bits carried by the first PDRCH is related to the implementation.

[0414] As an embodiment, the Cyclic Redundancy Check bits carried by the first PDRCH are the CRC bits of the first PDRCH.

[0415] As an embodiment, the Cyclic Redundancy Check bits carried by the first PDRCH are the CRC bits generated according to the data bits carried by the first PDRCH.

[0416] As an example, the cyclic redundancy check bits carried by the first PDRCH include 6 bits.

[0417] As an example, the cyclic redundancy check bits carried by the first PDRCH include 11 bits.

[0418] As an example, the cyclic redundancy check bits carried by the first PDRCH include 8 bits.

[0419] As an example, the cyclic redundancy check bits carried by the first PDRCH include 16 bits.

[0420] As an example, the cyclic redundancy check bits carried by the first PDRCH include 24 bits.

[0421] As an example, the cyclic redundancy check bits carried by the first PDRCH are generated by a CRC generating polynomial.

[0422] As an example, the number of cyclic redundancy check bits carried by the first PDRCH is equal to a positive integer greater than 1.

[0423] As an example, the number of cyclic redundancy check bits carried by the first PDRCH depends on the number of data bits carried by the first PDRCH.

[0424] As an example, the number of cyclic redundancy check bits carried by the first PDRCH is predefined or configured.

[0425] As an example, the padding bits carried by the first PDRCH are the bits padded to make the total number of bits reach a certain value.

[0426] As an example, the padding bits carried by the first PDRCH are the extra bits inserted to make the total number of bits reach a certain value.

[0427] As an example, the number of padding bits carried by the first PDRCH is greater than 0 or equal to 0.

[0428] As an example, the number of padding bits carried by the first PDRCH can be equal to 0.

[0429] As an example, the at least one padding bit carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH includes: only one of the padding bits carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH.

[0430] As an example, the at least one padding bit carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH includes: only one of the padding bits carried by the first PDRCH being a repeated transmission of one of the cyclic redundancy check bits carried by the first PDRCH.

[0431] As an example, the at least one padding bit carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH includes: all of the padding bits carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH.

[0432] As an example, the at least one padding bit carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH includes: all of the padding bits carried by the first PDRCH being a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH.

[0433] As an example, the at least one padding bit carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH includes: at least one of the padding bits carried by the first PDRCH being the same as the corresponding bit in the data bits carried by the first PDRCH.

[0434] As an example, the at least one padding bit carried by the first PDRCH being a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH includes: at least one of the padding bits carried by the first PDRCH being the same as the corresponding cyclic redundancy check bit carried by the first PDRCH.

[0435] As an example, that at least one padding bit carried by the first PDRCH is a repeated transmission of data bits carried by the first PDRCH or a repeated transmission of cyclic redundancy check bits carried by the first PDRCH includes: X1 is equal to the number of padding bits carried by the first PDRCH, and the X1 padding bits are a repeated transmission of the starting X1 data bits carried by the first PDRCH.

[0436] As an example, that at least one padding bit carried by the first PDRCH is a repeated transmission of data bits carried by the first PDRCH or a repeated transmission of cyclic redundancy check bits carried by the first PDRCH includes: X1 is equal to the number of padding bits carried by the first PDRCH, and the X1 padding bits are a repeated transmission of the ending X1 data bits carried by the first PDRCH.

[0437] As an example, that at least one padding bit carried by the first PDRCH is a repeated transmission of data bits carried by the first PDRCH or a repeated transmission of cyclic redundancy check bits carried by the first PDRCH includes: X1 is equal to the number of padding bits carried by the first PDRCH, and the X1 padding bits are a repeated transmission of the starting X1 cyclic redundancy check bits carried by the first PDRCH.

[0438] As an example, that at least one padding bit carried by the first PDRCH is a repeated transmission of data bits carried by the first PDRCH or a repeated transmission of cyclic redundancy check bits carried by the first PDRCH includes: X1 is equal to the number of the padding bits carried by the first PDRCH, and the X1 padding bits are a repeated transmission of the ending X1 cyclic redundancy check bits carried by the first PDRCH.

[0439] As an example, "that at least one padding bit carried by the first PDRCH is a repeated transmission of data bits carried by the first PDRCH or a repeated transmission of cyclic redundancy check bits carried by the first PDRCH includes: X1 is equal to the number of padding bits carried by the first PDRCH, the cyclic redundancy check bits carried by the first PDRCH are appended to the data bits carried by the first PDRCH to obtain a target bit sequence, and the X1 padding bits are a repeated transmission of the starting X1 bits of the target bit sequence.

[0440] As an example, "at least one padding bit carried by the first PDRCH being a repeated transmission of data bits carried by the first PDRCH or a repeated transmission of cyclic redundancy check bits carried by the first PDRCH" includes: X1 being equal to the number of padding bits carried by the first PDRCH, the cyclic redundancy check bits carried by the first PDRCH being appended to the data bits carried by the first PDRCH to obtain a target bit sequence, and the X1 padding bits being a repeated transmission of the last X1 bits of the target bit sequence.

[0441] As an example, the padding bits carried by the first PDRCH are appended to the end (tail) of the data bits carried by the first PDRCH.

[0442] As an example, the padding bits carried by the first PDRCH are appended to the end (tail) of all the cyclic redundancy check bits carried by the first PDRCH.

[0443] As an example, the padding bits carried by the first PDRCH are located after all the cyclic redundancy check bits carried by the first PDRCH.

[0444] As an example, the padding bits carried by the first PDRCH are located before all the cyclic redundancy check bits carried by the first PDRCH.

[0445] Example 11

[0446] Example 11 illustrates a schematic diagram of the control bits included in a first signal according to an embodiment of the present application, as shown in the attached Figure 11 figures. In the attached Figure 11 figures, the part enclosed by the thick line frame represents the first signal, the part filled with cross-hatching represents the padding of the control bits included in the first signal, the part filled with diagonal hatching represents the part corresponding to the last OOK time unit occupied by the first signal, and the dashed line with an arrow represents the indication relationship.

[0447] In Example 11, the first signal in the present application includes at least one control bit, and the at least one control bit included in the first signal indicates the last OOK time unit occupied by the first signal.

[0448] As an example, the mechanism of indicating the first signal through the control bits included in the first signal avoids incorrect decoding and ensures correct reception.

[0449] As an example, each control bit included in the first signal carries control information of the physical layer.

[0450] As an example, each control bit included in the first signal is an information bit carrying control information.

[0451] As an example, each control bit included in the first signal is a bit in the control information payload.

[0452] As an example, each control bit included in the first signal is a bit in the control information field.

[0453] As an example, each control bit included in the first signal is a bit of scheduling information.

[0454] As an example, each control bit included in the first signal is a bit used to carry scheduling information (or configuration information).

[0455] As an example, each control bit included in the first signal is a bit of RDCI (Reader to Device Control Information).

[0456] As an example, the number of control bits included in the first signal is fixed.

[0457] As an example, the number of control bits included in the first signal is predefined.

[0458] As an example, the number of control bits included in the first signal is indicated by a preamble.

[0459] As an example, the number of control bits included in the first signal is configured by the core network.

[0460] As an example, the number of control bits included in the first signal is indicated by the NAS (Non-Access stratum).

[0461] As an example, each control bit included in the first signal is a bit in the RDCI format.

[0462] As an example, the first signal includes only one control bit.

[0463] As an example, the first signal includes multiple control bits.

[0464] As an example, the control bits included in the first signal and the data (or TB or CB) bits included in the first signal are independently attached (or added) with CRC.

[0465] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: the at least one control bit included in the first signal explicitly or implicitly indicates the cut-off OOK time unit occupied by the first signal.

[0466] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: the at least one control bit included in the first signal indicates the index of the cut-off OOK time unit occupied by the first signal.

[0467] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: the at least one control bit included in the first signal indicates the cut-off moment of the first signal.

[0468] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: the at least one control bit included in the first signal indicates the time domain resource occupied by the first signal.

[0469] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: the at least one control bit included in the first signal indicates the quantity of the time domain resource occupied by the first signal.

[0470] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: the at least one control bit included in the first signal indicates the quantity of the padding bits for data (or TB or CB) included in the first signal.

[0471] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: the at least one control bit included in the first signal indicates the total quantity of the bits carried by the first signal.

[0472] As an example, the first signal includes at least one control bit, and at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: at least one control bit included in the first signal indicates the size of the TB or CB included in the first signal.

[0473] As an example, "the first signal includes at least one control bit, and at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: at least one control bit included in the first signal indicates the total number of OOK time units occupied by the first signal.

[0474] As an example, the first signal includes at least one control bit, and at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: at least one control bit included in the first signal indicates the number of OOK time units to which the padding bits included in the first signal are mapped (or occupied).

[0475] As an example, the first signal includes at least one control bit, and at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: at least one control bit included in the first signal indicates the cut-off position of the bits other than the padding bits for data (or TB or CB) included in the first signal.

[0476] As an example, the first signal includes at least one control bit, and at least one control bit included in the first signal indicates that the cut-off OOK time unit occupied by the first signal includes: at least one control bit included in the first signal indicates the cut-off position of the OOK time units to which the bits other than the padding bits for data (or TB or CB) included in the first signal are mapped.

[0477] Example 12

[0478] Example 12 exemplifies a structural block diagram of a processing device in a terminal of an example, as shown in the appendix Figure 12 shown. In the appendix Figure 12 shown, the terminal processing device 1200 includes a first receiver 1201 and a first transmitter 1202. The first receiver 1201 includes the transmitter / receiver 416 (including antenna 420), the receiving processor 412, and the controller / processor 440 in the appendix of the present application Figure 4 shown; the first transmitter 1202 includes the transmitter / receiver 416 (including antenna 420), the transmitting processor 414, and the controller / processor 440 in the appendix of the present application Figure 4The transmitter / receiver 416 (including antenna 420), transmit processor 415, and controller / processor 440 therein.

[0479] In Embodiment 12, a first receiver 1201 receives a first PDRCH, and the first PDRCH uses OOK; a first transmitter 1202 transmits a first signal, and the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol; wherein, a start time of the first time window is later than a cut-off time of the first PDRCH; a start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and a cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0480] As an embodiment, the first PDRCH indicates at least one of a number of OOK time units corresponding to the maximum time length or a number of OOK time units corresponding to the minimum time length.

[0481] As an embodiment, the first receiver 1201 receives a second signal; wherein, the second signal indicates a time length of an OOK time unit occupied by the first PDRCH.

[0482] As an embodiment, a bit block carried by the first signal is used to generate a first bit sequence, the first bit sequence includes a plurality of successively indexed bits, and the first bit sequence is at least transform precoded to generate the first signal.

[0483] As an embodiment, a target power value is equal to a transmission power value of the first signal, and the target power value is equal to a smaller value compared between a first upper limit value and a first power value; at least one of the first upper limit value or the first power value depends on a number of OOK time units included in the first signal in an OFDM symbol.

[0484] As an embodiment, at least one padding bit carried by the first PDRCH is a repeated transmission of a data bit carried by the first PDRCH or a repeated transmission of a cyclic redundancy check bit carried by the first PDRCH.

[0485] As an embodiment, the first signal includes at least one control bit, and the at least one control bit included in the first signal indicates a cut-off OOK time unit occupied by the first signal.

[0486] Example 13

[0487] Embodiment 13 exemplifies a structural block diagram of a processing device in an Internet of Things device of an embodiment, as shown in the appendix Figure 13 as shown. In the appendix Figure 13 , the Internet of Things device processing device 1300 includes a second transmitter 1301 and a second receiver 1302. The second transmitter 1301 includes the transmitter / receiver 456 (including the antenna 460) in the appendix of the present application Figure 4 , a transmission processor 455, and a controller / processor 490 (if supported); the second receiver 1302 includes the transmitter / receiver 456 (including the antenna 460) in the appendix of the present application Figure 4 , a receiving processor 452, and a controller / processor 490 (if supported).

[0488] In Embodiment 13, the second transmitter 1301 transmits a first PDRCH, and the first PDRCH uses OOK; the second receiver 1302 receives a first signal, and the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol; wherein, a start time of the first time window is later than a cut-off time of the first PDRCH; a start OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and a cut-off OFDM symbol included in the first time window is the latest OFDM symbol whose time interval from the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to a plurality of OOK time units.

[0489] As an embodiment, the first PDRCH indicates at least one of the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length.

[0490] As an embodiment, the second transmitter 1301 transmits a second signal; wherein, the second signal indicates a time length of an OOK time unit occupied by the first PDRCH.

[0491] As an embodiment, a bit block carried by the first signal is used to generate a first bit sequence, the first bit sequence includes a plurality of successively indexed bits, and the first bit sequence is at least used to generate the first signal through transform precoding.

[0492] As an example, the target power value is equal to the transmission power value of the first signal, and the target power value is equal to the smaller value compared between the first upper limit value and the first power value; at least one of the first upper limit value and the first power value depends on the number of OOK time units included in the first signal in one OFDM symbol.

[0493] As an example, at least one padding bit carried by the first PDRCH is a repeated transmission of the data bits carried by the first PDRCH or a repeated transmission of the cyclic redundancy check bits carried by the first PDRCH.

[0494] As an example, the first signal includes at least one control bit, and at least one control bit included in the first signal indicates the cut-off OOK time unit occupied by the first signal.

[0495] Example 14

[0496] Example 14 illustrates a schematic diagram of the structure of an Ambient Internet of Things (A-IoT) device according to an embodiment of the present application, as shown in the appendix Figure 14 as shown.

[0497] In the appendix Figure 14In this case, the A-IoT device 1400 includes an antenna 1401, an energy-related module 1404, and a processing-related module 1408. The A-IoT device 1400 may also include a matching network 1402, which is used to match the impedance between the antenna 1401 and other components (including the radio frequency (RF) energy harvester 1403 and the reception-related module 1409). The A-IoT device 1400 may also include an energy harvester, which may be the RF energy harvester 1403 or a non-RF energy harvester 1407. The RF energy harvester 1403 may include a rectifier that performs the conversion of RF signals (AC) to DC. The RF energy harvester 1403 and the receiver / transmitter may share the antenna 1401, or the RF energy harvester 1403 and the receiver / transmitter may also use independent antennas. The energy-related module 1404 may include a Power management unit (PMU) 1405; the PMU 1405 is responsible for storing the energy from the energy harvester into the energy storage 1406 and supplying power to the active component blocks that need power supply. The energy-related module 1404 may also include an Energy storage 1406; the energy storage 1406 stores the energy collected from the energy harvester, and the energy storage 1406 may be a capacitor. The processing-related module 1408 may include BB (BaseBand) logic 1413 (if supported), a Memory 1418, and a clock generator 1419; the BB logic 1413 may include a decoder 1414, a controller 1415, and an encoder 1416; the Memory 1418 may include two types. One is a Non-Volatile Memory (NVM), such as EEPROM, which is used to permanently store the device ID. The other is a register, which is used to temporarily store information that is only temporarily required for operation when the energy in the energy storage 1406 is available; the clock generator 1419 provides the required clock signals. The processing-related module 1408 may also include reception-related blocks 1409 and transmission-related blocks 1417. For different A-IoT devices, the reception-related blocks 1409 and the transmission-related blocks 1417 may include different modules.

[0498] As an example, for an A-IoT device 1400 with a peak power consumption of approximately 1 μW, the receiving-related module 1409 may include an RF BPF 1410, a radio-frequency envelope detector (RF-ED), a BB LPF 1411, and a comparator 1412. The transmitting-related module 1417 may include a backscatter modulator.

[0499] As a non-limiting example, the output of the matching network 1402 is sequentially processed by the RF BPF 1410, the radio-frequency envelope detector, the BB LPF 1411, and the comparator 1412 and then input to the BB logic 1413. The output of the BB logic 1413 is processed by the backscatter modulator and then transmitted by the antenna 1401.

[0500] As an example, for an A-IoT device 1400 with a peak power consumption less than or equal to several hundred μW, if an external carrier wave is used, the receiving-related module 1409 may include an RF BPF 1410, a low-noise amplifier (LNA), a radio-frequency envelope detector, a BB amplifier, a BB LPF 1411, and a comparator / N-bit ADC 1412. The transmitting-related module 1417 may include a large frequency shifter (e.g., dozens of megahertz), a backscatter modulator, and a reflection amplifier. At least one of R2D (Reader to device) / CW2D (Carrier-wave, or carrier-wave node, to device) and D2R (Device to reader) may be amplified by the reflection amplifier or the LNA. The large frequency shifter transfers the backscatter signal from one frequency (e.g., the FDD-DL frequency) to another frequency (e.g., the FDD-UL frequency).

[0501] As a non-limiting example, the output of the matching network 1402 is sequentially processed by the RF BPF 1410, the LNA, the radio-frequency envelope detector, the BB amplifier, the BB LPF 1411, and the comparator / N-bit ADC 1412 and then input to the BB logic 1413. The output of the BB logic 1413 is processed by the large frequency shifter, the backscatter modulator, and the reflection amplifier and then transmitted by the antenna 1401.

[0502] As an example, for an A-IoT device 1400 with a peak power consumption less than or equal to a few hundred μW, if an internally-generated carrier wave is adopted and an RF envelope detector receiver is used, the receiving-related module 1409 may include an RF BPF 1410, an LNA, an RF envelope detector, a BB amplifier, a BB LPF 1411, and a comparator / N-bit ADC 1412. The transmitting-related module 1417 may include a Tx Modulator, a Digital to Analog Converter (DAC), a low pass filter, a mixer, a LO (Local oscillator) / FLL ( / PLL), and a Power amplifier (PA).

[0503] As a non-limiting example, the output of the matching network 1402 is successively processed by an RF BPF 1410, an LNA, an RF envelope detector, a BB amplifier, a BB LPF 1411, and a comparator / N-bit ADC 1412 and then input to the BB logic 1413. The output of the BB logic 1413 is transmitted by the antenna 1401 after being processed by a Tx Modulator, a Digital to Analog Converter, a low pass filter, a mixer, a LO / FLL ( / PLL), and a Power amplifier.

[0504] As an example, for an A-IoT device 1400 with a peak power consumption less than or equal to a few hundred μW, if an internally-generated carrier wave is adopted and an IF envelope detector receiver is used, the receiving-related module 1409 may include an RF BPF 1410, an LNA, a mixer, an IF amplifier, an IF filter, an IF envelope detector (IF-ED), a BB amplifier, a BB LPF 1411, and a comparator / N-bit ADC 1412. The transmitting-related module 1417 may include a transmit modulator, a digital-to-analog converter, a low-pass filter, a mixer, an LO / FLL( / PLL), and a power amplifier. The IF amplifier amplifies the IF signal. The IF filter filters out unwanted RF and LO signals. The IF envelope detector detects the envelope from the IF signal. The mixer in the receiving-related module 1409 down-converts the RF signal to the IF stage. Depending on the implementation, there may be one or two mixers for the transmitter and the receiver.

[0505] As a non-limiting example, the output of the matching network 1402 is sequentially processed by an RF BPF 1410, an LNA, a mixer, an IF amplifier, an IF filter, an IF envelope detector, a BB amplifier, a BB LPF 1411, and a comparator / N-bit ADC 1412 and then input to the BB logic 1413. The output of the BB logic 1413 is processed by a transmit modulator, a digital-to-analog converter, a low-pass filter, a mixer, an LO / FLL( / PLL), and a power amplifier and then transmitted by the antenna 1401.

[0506] As an example, for an A-IoT device 1400 with a peak power consumption less than or equal to a few hundred μW, if an internally-generated carrier wave is adopted and a Zero IF (ZIF) receiver is used, the receiving-related module 1409 may include an RF BPF 1410, an LNA, a mixer, a BB amplifier, a BB LPF 1411, and a comparator / N-bit ADC 1412. The transmitting-related module 1417 may include a transmit modulator, a digital-to-analog converter, a low-pass filter, a mixer, an LO / FLL( / PLL), and a power amplifier. The mixer in the receiving-related module 1409 down-converts the RF signal to the BB stage. Depending on the implementation, there may be one or two mixers for the transmitter and the receiver.

[0507] As a non-limiting example, the output of the matching network 1402 is successively processed by the RF BPF 1410, LNA, mixer, BB amplifier, BB LPF 1411, comparator / N-bit ADC 1412 and then input to the BB logic 1413. The output of the BB logic 1413 is processed by a transmit modulator, digital-to-analog converter, low-pass filter, mixer, LO / FLL( / PLL) and power amplifier and then transmitted by the antenna 1401.

[0508] In the above-mentioned several embodiments, the RF BPF 1410 is used to enhance selectivity. Based on implementation, the RF BPF 1410 may not exist. The BB LPF 1411 is used to filter out harmonics and high-frequency components and improve the input signal quality of the comparator / ADC 1412. Based on implementation, the BB LPF 1411 may not exist. The comparator 1412 is used to detect the high / low of the input signal. The backscatter modulator is used to convert the impedance into a modulated backscatter signal carrying the transmit signal from the BB logic 1413. The LNA is used to increase the signal strength and receive sensitivity. The RF envelope detector is used to detect the envelope from the RF signal. The BB amplifier is used to amplify the signal to increase the signal strength. The transmit modulator is used to modulate the baseband bits according to the modulation method; the transmit modulator may be part of the BB logic 1413. The digital-to-analog converter is used to convert the digital signal into an analog signal. The low-pass filter is used to filter out unwanted signals. The mixer in the transmit-related module 1417 is used to up-convert the baseband signal to the RF range. The LO is used to generate the carrier frequency; the FLL( / PLL) can be used for frequency synthesis. Based on implementation, the FLL( / PLL) may not exist. The power amplifier is used to amplify the transmit signal.

[0509] It should be specifically noted that the structure of the A-IoT device in this example does not limit the specific implementation form of the A-IoT in this application. Specifically, according to the different functions and actual application scenarios of the A-IoT device, the A-IoT device may adopt the structure of the A-IoT device in this example, may also include only some modules in the structure of the A-IoT device in this example, or may also include Figure 14 other modules not shown.

[0510] Those of ordinary skill in the art can understand that all or part of the steps in the above method can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk, or an optical disc, etc. Optionally, all or part of the steps in the above embodiments can also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above embodiments can be implemented in a hardware form or in the form of a software functional module. This application is not limited to any specific form of the combination of software and hardware. The first node device or the second node device or the UE or the terminal or the device in this application includes, but is not limited to, mobile phones, tablet computers, notebooks, wireless network cards, low-power devices, eMTC devices, NB-IoT devices, Ambient IoT devices, RFID devices, reader devices, vehicle-mounted communication devices, aircraft, airplanes, drones, remote control airplanes, test devices, test equipment, test instruments and other devices. The base station device or the base station or the network-side device in this application includes, but is not limited to, macrocell base stations, microcell base stations, home base stations, relay base stations, eNBs, gNBs, transmission and reception nodes TRP, relay satellites, satellite base stations, aerial base stations, test devices, test equipment, test instruments and other devices.

[0511] Those skilled in the art should understand that the present invention can be implemented in other specified forms without departing from its core or basic characteristics. Therefore, the presently disclosed embodiments should in any event be regarded as descriptive rather than restrictive. The scope of the invention is determined by the appended claims rather than the preceding description, and all modifications within the equivalent meaning and scope thereof are considered to be included therein.

Claims

1. A method used in a terminal, characterized in that: include: Receiving a first PDRCH, where the first PDRCH adopts OOK; Sending a first signal, where the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol; Among them, the starting time of the first time window is later than the ending time of the first PDRCH; the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and the ending OFDM symbol included in the first time window is the latest OFDM symbol whose time interval with the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to multiple OOK time units.

2. The method according to claim 1, characterized in that The first PDRCH indicates at least one of the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length.

3. The method according to claim 1 or 2, characterized in that: include: receiving a second signal; The second signal indicates the time length of an OOK time unit occupied by the first PDRCH.

4. The method according to any one of claims 1 to 3, characterized in that: The bit block carried by the first signal is used to generate a first bit sequence, the first bit sequence includes a plurality of sequentially indexed bits, and the first bit sequence is used to generate the first signal after at least transform precoding.

5. The method according to any one of claims 1 to 4, characterized in that: The target power value is equal to the transmission power value of the first signal, and the target power value is equal to the smaller value between the first upper limit value and the first power value; at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol.

6. The method according to any one of claims 1 to 5, characterized in that: The at least one padding bit carried by the first PDRCH is a repeated transmission of a data bit carried by the first PDRCH or a repeated transmission of a cyclic redundancy check bit carried by the first PDRCH.

7. The method according to any one of claims 1 to 6, characterized in that: The first signal includes at least one control bit, and the at least one control bit included in the first signal indicates a cutoff OOK time unit occupied by the first signal.

8. A terminal, characterized in that: The terminal includes: one or more processors and a memory; the memory is coupled to the one or more processors, the memory is used to store computer program code, the computer program code includes computer instructions, and the one or more processors call the computer instructions to enable the terminal to execute the method described in any one of claims 1-7.

9. A method for an Internet of Things device, characterized in that: include: Sending a first PDRCH, where the first PDRCH adopts OOK; Receiving a first signal, where the first signal belongs to a first time window in the time domain, and the first time window includes at least one OFDM symbol; Among them, the starting time of the first time window is later than the ending time of the first PDRCH; the starting OFDM symbol included in the first time window is the earliest OFDM symbol that is later than the first PDRCH by a minimum time length, and the ending OFDM symbol included in the first time window is the latest OFDM symbol whose time interval with the first PDRCH is not greater than a maximum time length; the minimum time length is predefined or configured, and the maximum time length is equal to multiple OOK time units.

10. The method according to claim 9, characterized in that The first PDRCH indicates at least one of the number of OOK time units corresponding to the maximum time length or the number of OOK time units corresponding to the minimum time length.

11. The method according to claim 9 or 10, characterized in that include: sending a second signal; The second signal indicates the time length of an OOK time unit occupied by the first PDRCH.

12. The method according to any one of claims 9 to 11, characterized in that The bit block carried by the first signal is used to generate a first bit sequence, the first bit sequence includes a plurality of sequentially indexed bits, and the first bit sequence is used to generate the first signal after at least transform precoding.

13. The method according to any one of claims 9 to 12, characterized in that The target power value is equal to the transmission power value of the first signal, and the target power value is equal to the smaller value between the first upper limit value and the first power value; at least one of the first upper limit value or the first power value depends on the number of OOK time units included in the first signal in an OFDM symbol.

14. The method according to any one of claims 9 to 13, characterized in that The at least one padding bit carried by the first PDRCH is a repeated transmission of a data bit carried by the first PDRCH or a repeated transmission of a cyclic redundancy check bit carried by the first PDRCH.

15. The method according to any one of claims 9 to 14, characterized in that The first signal includes at least one control bit, and the at least one control bit included in the first signal indicates a cutoff OOK time unit occupied by the first signal.

16. An Internet of Things device, characterized in that: The Internet of Things device includes: one or more processors and a memory; the memory is coupled to the one or more processors, the memory is used to store computer program code, the computer program code includes computer instructions, and the one or more processors call the computer instructions to enable the Internet of Things device to execute the method described in any one of claims 9-15.

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