WO2021208794A1

WO2021208794A1 - Method and apparatus for monitoring physical downlink control channel

Info

Publication number: WO2021208794A1
Application number: PCT/CN2021/085934
Authority: WO
Inventors: 薛祎凡; 薛丽霞; 铁晓磊
Original assignee: 华为技术有限公司
Priority date: 2020-04-17
Filing date: 2021-04-08
Publication date: 2021-10-21
Also published as: CN113543287B; CN113543287A

Abstract

Provided are a method and apparatus for monitoring a physical downlink control channel, which are used to make clear how to monitor a PDCCH. The method comprises: a network device generating first indication information and sending the first indication information to a terminal device, wherein the first indication information is used for indicating the way in which the terminal device monitors a PDCCH; and the terminal device determining, according to the first indication information, the way in which the PDCCH is monitored in a first time interval, wherein the first time interval is determined according to a monitoring period of the first indication information. In this way, a terminal device can be clear about how to monitor a PDCCH, thereby reducing the monitoring of the PDCCH, and lowering the power consumption of the terminal device.

Description

Method and device for monitoring physical downlink control channel

Cross-references to related applications

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on April 17, 2020, the application number is 202010308012.6, and the application name is "a method and device for physical downlink control channel monitoring", the entire content of which is incorporated by reference In this application.

Technical field

This application relates to the field of communication technologies, and in particular to a method and device for monitoring a physical downlink control channel (PDCCH).

Background technique

The fifth generation new radio access technology (5th Generation new radio access technology, 5G NR) is a newly proposed topic in the 3rd generation partnership project (3GPP) organization and is located in release 14. In the past 10 years, the LTE standard proposed by the 3GPP organization has been widely used all over the world and is called 4G communication technology.

And as the new generation of 5G technology enters the discussion stage, it is beginning to pay attention to whether the system structure and access process that have been achieved in 4G LTE continue to be adopted and how to adopt it. On the one hand, because the communication system is compatible with the latter, the new research Technology tends to be compatible with previously standardized technologies; on the other hand, because 4G LTE already has a large number of existing designs, if in order to achieve compatibility, it will inevitably sacrifice a lot of 5G flexibility and reduce performance. Therefore, currently in the 3GPP organization, two directions are studied in parallel. In the two directions, the technical discussion group that does not consider backward compatibility is called 5G NR.

During the communication between the network device and the terminal device, the network device sends data packets to the terminal device, and before the network device sends each data packet, it sends scheduling information (for example, PDCCH) corresponding to the data packet to the terminal device. Therefore, the terminal device needs to continuously monitor the scheduling information of the data packet to successfully receive the data packet, that is, the terminal device needs to continuously monitor the PDCCH. At present, the terminal device continuously monitors the PDCCH, causing higher power consumption of the terminal device. The power consumption of the terminal device directly affects the standby time of the terminal device, etc., which in turn affects the user experience. In order to ensure a good user experience, the 3rd Generation Partnership Project 3GPP has set up a special project in Rel-16 for the topic of power saving of terminal equipment. Research on power saving of terminal equipment is becoming more and more common, reducing the power of terminal equipment. The detailed optimization scheme of energy consumption has become the research direction of the industry.

Summary of the invention

This application provides a method and device for PDCCH monitoring to clarify how the terminal device monitors the PDCCH.

In the first aspect, this application provides a method for PDCCH monitoring. The method may include: a network device generates first indication information, and sends the first indication information to the terminal device; the first indication information is used for Instruct the terminal device not to monitor the PDCCH carrying the downlink control information (DCI) of the specific format; the terminal device determines not to monitor the PDCCH carrying the DCI of the specific format according to the first indication information; the specific format The DCI is part of the DCI in all current DCI formats.

Through the above method, the first indication information instructs the terminal device not to monitor the PDCCH carrying the downlink control information DCI in a specific format, which can reduce PDCCH monitoring and reduce the power consumption of the terminal device without affecting the terminal device to read necessary information.

In a possible design, the specific format does not include at least one of the following: format 2_0, format 2_2, format 2_3. In this way, PDCCH monitoring can be reduced, and the power consumption of the terminal device can be reduced without affecting the terminal device to read necessary information.

In the second aspect, this application provides a PDCCH monitoring method. The method may include: a network device generates first indication information, and sends the first indication information to the terminal device; the first indication information is used to instruct the terminal The manner in which the device monitors the PDCCH; the terminal device determines the manner in which the PDCCH is monitored in a first time interval according to the first indication information, wherein the first time interval is determined according to the monitoring period of the first indication information .

The foregoing method instructs the terminal device to monitor the PDCCH through the first indication information, so that the terminal device can clarify how to monitor the PDCCH, thereby reducing PDCCH monitoring and reducing the power consumption of the terminal device.

In a possible design, the method for monitoring the PDCCH may include at least one of the following: whether to monitor the PDCCH, whether to monitor the PDCCH in the first time interval, whether to monitor the PDCCH in the sub-time interval of the first time interval, and to monitor Or do not monitor PDCCH periodic switching, terminal equipment information, time resource information, frequency domain resource information, or whether CSI measurement is required. In this way, the terminal device can clarify how to monitor the PDCCH according to the manner of monitoring the PDCCH.

In a possible design, the first indication information is located in a first time slot, and the starting time of the first time interval is the first time slot, or the starting time of the first time interval is all The next time slot of the first time slot, or the start time of the first time interval is the next time after the end time of sending the first indication information in the first time slot; or, the first time slot The indication information is located on the first symbol in the first time slot, and the start time of the first time interval is the next symbol of the first symbol. In this way, the starting time for monitoring the PDCCH by monitoring the PDCCH can be accurately determined.

In a possible design, the first indication information is located in the first search space, the end time of the first time interval is the end time of the previous time slot of the second time slot, and the second time slot is the end time of the previous time slot of the second time slot. In the next R monitoring moments of the first search space after the first time slot, R is an integer greater than or equal to 1. In this way, it is possible to accurately determine the end time of monitoring the PDCCH by monitoring the PDCCH.

In a possible design, the first indication information may be indicated by one bit. When the bit is the first value, the first indication information indicates that the PDCCH is not to be monitored; when the bit is the second value When the time, the first indication information indicates to monitor the PDCCH. In this way, it can be accurately determined whether the PDCCH needs to be monitored in the first time interval.

In a possible design, the first time interval includes N first sub-time intervals, where N is an integer greater than or equal to 2; the first indication information is indicated by the N bits, and the nth bit is used To indicate whether the terminal device monitors the PDCCH in the nth first sub-time interval, wherein the n is an integer from 1 to N. In this way, it can be accurately determined whether the PDCCH needs to be monitored in each sub-time interval in the first time interval.

In a possible design, the first time interval includes K second sub-time intervals, and K is an integer greater than or equal to 1; the first indication information is indicated by M*K bits, where each bit Indicate whether a group of terminal equipment monitors the PDCCH in a second sub-time interval, the group of terminal equipment is a group of terminal equipment in M groups of terminal equipment, and M is an integer greater than or equal to 2; the terminal equipment It is included in any group of terminal devices in the M groups of terminal devices. In this way, it can be clarified whether any terminal device needs to monitor the PDCCH in each sub-time interval in the first time interval.

In a possible design, the first indication information includes at least two indication fields, and any indication field is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information, or whether CSI measurement is required . In this way, the operations that the terminal device needs to perform can be clearly defined through the two indication fields.

In a possible design, the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the time resource information; wherein, the terminal device The information is the information of the terminal equipment of group A, the time resource information is the information of whether the terminal equipment of the group A monitors the first time interval of the PDCCH, and the first time interval includes B third sub-time intervals; A Is an integer greater than or equal to 1, and B is an integer greater than or equal to 1. In this way, it can be clarified whether each group of terminal devices needs to monitor the PDCCH in each sub-time interval of the first time interval.

In a possible design, the first indication field includes A bits, and the A bits are respectively used to indicate the A group of terminal devices, and the second indication field includes B bits. Bits are respectively used to indicate the B third sub-time intervals; the a-th bit in the A bits and the b-th bit in the B bits together indicate that the terminal equipment of the group a is in the Whether to monitor the PDCCH in the b-th third sub-time interval in the first time interval, where a is an integer from 1 to A, and b is an integer from 1 to B. In this way, it can be clarified whether each group of terminal devices needs to monitor the PDCCH in each sub-time interval of the first time interval.

In a possible design, the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the frequency domain resource information; wherein, the terminal The device information is the information of the terminal equipment of group C, and the frequency domain resource information is the information of the group D carrier configured by each group of terminal equipment in the terminal equipment of the group C; C is an integer greater than or equal to 1, and D is greater than or equal to An integer of 1. In this way, it can be clarified whether each group of terminal equipment needs to monitor the PDCCH in each group of carriers.

In a possible design, the first indication field includes C bits, and the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication field includes D bits, and the D Bits are respectively used to indicate the carrier of the group D; the c-th bit of the C bits and the d-th bit of the D bits together indicate that the terminal equipment of the c group is in the group D carrier Whether to monitor the PDCCH in the d-th group of carriers; where c is an integer from 1 to C, and d is an integer from 1 to D. In this way, it can be clarified whether each group of terminal equipment needs to monitor the PDCCH in each group of carriers.

In a possible design, the at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the time resource information; wherein, the frequency The domain resource information is information about the group E carriers configured by the terminal device, the time resource information is information about the first time interval of whether the terminal device monitors the PDCCH, and the first time interval includes F fourth Sub-time interval; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1. In this way, it can be clarified whether the terminal device needs to monitor the PDCCH in the first time interval when the terminal device is in each group of carriers.

In a possible design, the first indication field includes E bits, the E bits are used to indicate the E group of carriers, and the second indication field includes F bits, and the F bits Bits are respectively used to indicate the F fourth sub-time intervals; the e-th bit in the E bits and the f-th bit in the F bits together indicate that the terminal device is in the e-th group of carriers Whether to monitor the PDCCH in the f-th fourth sub-time interval in the first time interval; where e is an integer from 1 to E, and f is an integer from 1 to F. In this way, it can be clarified whether the terminal device needs to monitor the PDCCH in the first time interval when the terminal device is in each group of carriers.

In a possible design, the at least two indicator fields are three indicator fields, the first indicator field indicates the terminal device information, the second indicator field indicates the frequency domain resource information, and the third indicator field Indicate the time resource information; wherein the terminal equipment information is the information of the G group of terminal equipment, the frequency domain resource information is the information of the H group of carriers configured by each group of the terminal equipment in the G group of terminal equipment, the The time resource information is information about whether the terminal equipment of the G group monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is an integer greater than or equal to 1, and G is greater than or equal to An integer of 1, and I is an integer greater than or equal to 1. In this way, it can be clarified whether each group of terminal equipment monitors the PDCCH in each sub-time interval in the first time interval on any group of carriers.

In a possible design, the first indication field includes G bits, and the G bits are used to indicate the G group terminal devices respectively, and the second indication field includes H bits, and the H Bits are respectively used to indicate the E group of carriers, the third indication field includes 1 bit, and the 1 bit respectively indicates the I fifth sub-time interval; the gth of the G bits Bits, the h-th bit in the H bits, and the i-th bit in the I bits, together indicating that the g-th group of terminal equipment is in the h-th group of carriers in the first time interval. Whether to monitor the PDCCH in the i fifth sub-time interval; where g is an integer from 1 to G, h is an integer from 1 to H, and i is an integer from 1 to 1. In this way, it can be clarified whether each group of terminal equipment monitors the PDCCH in each sub-time interval in the first time interval on any group of carriers.

In a possible design, the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI measurement is required; wherein, the time resource The information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback. In this way, it can be clarified whether the terminal device needs to monitor the PDCCH in the first time interval, and whether it needs to perform CSI measurement and feedback.

In a possible design, the first indicator field includes 1 bit, and the second indicator field includes 1 bit; and 1 bit of the first indicator field indicates the terminal with different values. The device monitors or does not monitor the PDCCH in the first time interval; and, a bit of the second indication field instructs the terminal device to perform CSI measurement and feedback or not to perform CSI measurement and feedback through different values . In this way, it can be clarified whether the terminal device needs to monitor the PDCCH in the first time interval, and whether it needs to perform CSI measurement and feedback.

In a possible design, the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI measurement is required; wherein, the time resource The information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback ; J is an integer greater than or equal to 1. In this way, it can be clarified whether the terminal device needs to monitor the PDCCH in each sub-time interval of the first time interval, and whether it needs to perform CSI measurement and feedback.

In a possible design, the first indication field includes J bits, the J bits are respectively used to indicate the J sixth sub-time intervals, and the second indication field includes 1 bit; The j-th bit of the J bits and 1 bit of the second indicator field together indicate whether the terminal device monitors the PDCCH in the j-th sixth sub-time interval of the first time interval And whether to perform CSI measurement and feedback; where j is an integer from 1 to J. In this way, it can be clarified whether the terminal device needs to monitor the PDCCH in each sub-time interval of the first time interval, and whether it needs to perform CSI measurement and feedback.

In a third aspect, this application provides a PDCCH monitoring method. The method may include: a network device generates first indication information, and sends the first indication information to a terminal device; the first indication information includes at least two Indication field, any indication field is used to indicate one of the following: terminal equipment information, time resource information, frequency domain resource information or whether CSI measurement is required; the terminal equipment according to at least two indications of the first indication information The instructions of the domain perform the corresponding operation.

The foregoing method can clarify the operation that the terminal device needs to perform through the first indication information, thereby saving power consumption of the terminal device.

In a fourth aspect, the present application also provides an apparatus, which may be a terminal device, and the apparatus has various possible design examples for implementing the foregoing first aspect or the first aspect, and each of the foregoing second aspect or the second aspect. Possible design examples, the above-mentioned third aspect or the function of the terminal device in each possible design example of the third aspect. The function can be realized by hardware, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-mentioned functions.

In a possible design, the structure of the device includes a transceiver unit and a processing unit, and these units can execute each possible design example of the first aspect or the first aspect, and each possible design example of the second or second aspect described above. For specific design examples of the above-mentioned third aspect or the corresponding functions of the terminal device in each possible design example of the third aspect, please refer to the detailed description in the method example for details, which will not be repeated here.

In a possible design, the structure of the device includes a transceiver and a processor, and optionally a memory. The transceiver is used for sending and receiving data or information, and for communicating and interacting with other devices in the communication system. The processor is configured to support the device to execute each possible design example of the foregoing first aspect or first aspect, each possible design example of the foregoing second aspect or second aspect, and the foregoing third aspect or third aspect. Aspects of each possible design example of the corresponding function of the terminal device. The memory is coupled with the processor, and it stores program instructions and data necessary for the device.

In a fifth aspect, this application also provides an apparatus, which may be a network device, and the apparatus has various possible design examples for implementing the foregoing first aspect or the first aspect, and each of the foregoing second aspect or the second aspect. Possible design examples, the above-mentioned third aspect or the function of the network device in each possible design example of the third aspect. The function can be realized by hardware, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-mentioned functions.

In a possible design, the structure of the device includes a transceiver unit and a processing unit, and these units can execute each possible design example of the first aspect or the first aspect, and each possible design example of the second or second aspect described above. For the design examples of the above-mentioned third aspect or the corresponding functions of the network devices in each possible design example of the third aspect, please refer to the detailed description in the method examples for details, which will not be repeated here.

In a possible design, the structure of the device includes a transceiver and a processor, and optionally a memory. The transceiver is used for sending and receiving data or information, and for communicating and interacting with other devices in the communication system. The processor is configured to support the device to execute each possible design example of the foregoing first aspect or first aspect, each possible design example of the foregoing second aspect or second aspect, and the foregoing third aspect or third aspect. Aspects of the corresponding functions of the network equipment in each possible design example. The memory is coupled with the processor, and it stores program instructions and data necessary for the device.

In a sixth aspect, an embodiment of the present application provides a communication system, which may include the aforementioned terminal device and network device.

In a seventh aspect, a computer-readable storage medium provided by an embodiment of the present application, the computer-readable storage medium stores program instructions, and when the program instructions run on a computer, the computer executes the first aspect of the embodiments of the present application and its Any possible design. Exemplarily, the computer-readable storage medium may be any available medium that can be accessed by a computer. Take this as an example but not limited to: computer-readable media may include non-transitory computer-readable media, random-access memory (RAM), read-only memory (ROM), and electrically erasable In addition to programmable read-only memory (electrically EPROM, EEPROM), CD-ROM or other optical disk storage, magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program codes in the form of instructions or data structures and can Any other medium accessed by the computer.

In an eighth aspect, embodiments of the present application provide a computer program product including computer program code or instructions, which when run on a computer, enables the computer to implement the method described in any of the above aspects.

In a ninth aspect, the present application also provides a chip, which is coupled with a memory, and is configured to read and execute program instructions stored in the memory to implement any of the above methods.

Please refer to the above description of the technical effects that can be achieved by the various possible solutions in the first, second or third aspects for the various aspects of the fourth to eighth aspects mentioned above and the possible technical effects of each aspect. Repeat it again.

Description of the drawings

FIG. 1 is a schematic diagram of the architecture of a communication system provided by this application;

Figure 2 is a schematic diagram of a scenario provided by this application;

FIG. 3 is a schematic diagram of a DRX cycle provided by this application;

FIG. 4 is a flowchart of a method for PDCCH monitoring provided by this application;

FIG. 5 is a flowchart of another PDCCH monitoring method provided by this application;

FIG. 6 is a schematic diagram of PDCCH monitoring provided by this application;

FIG. 7 is a schematic diagram of another PDCCH monitoring provided by this application;

FIG. 8 is a schematic diagram of another PDCCH monitoring provided by this application;

FIG. 9a is a schematic diagram of M*K bits of the first indication information provided by this application;

FIG. 9b is a schematic diagram of M*K bits of another type of first indication information provided by this application;

Figure 9c is a schematic diagram of another PDCCH monitoring provided by this application;

FIG. 10 is a schematic diagram of first indication information provided by this application;

FIG. 11 is a schematic diagram of another type of first indication information provided by this application;

FIG. 12 is a schematic diagram of another type of first indication information provided by this application;

FIG. 13 is a schematic diagram of another type of first indication information provided by this application;

FIG. 14 is a schematic diagram of another type of first indication information provided by this application;

FIG. 15 is a schematic diagram of another type of first indication information provided by this application;

FIG. 16 is a schematic diagram of the location of a first field provided by this application;

FIG. 17 is a schematic diagram of the location of a first field provided by this application;

FIG. 18 is a schematic diagram of the location of a first field provided by this application;

FIG. 19 is a flowchart of another PDCCH monitoring method provided by this application;

FIG. 20 is a schematic structural diagram of a device provided by this application;

FIG. 21 is a structural diagram of a device provided by this application.

Detailed ways

The application will be further described in detail below in conjunction with the accompanying drawings.

The embodiments of the present application provide a method and device for PDCCH monitoring. Among them, the method and device described in the present application are based on the same technical concept. Since the method and the device have similar principles for solving the problem, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.

In the description of this application, words such as "first" and "second" are only used for the purpose of distinguishing description, and cannot be understood as indicating or implying relative importance, nor as indicating or implying order.

In the description in this application, "at least one (species)" refers to one (species) or multiple (species), and multiple (species) refers to two (species) or more than two (species).

In order to describe the technical solutions of the embodiments of the present application more clearly, the PDCCH monitoring method and device provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Figure 1 shows the architecture of a communication system related to an embodiment of the present application. The architecture of the communication system includes network equipment and terminal equipment, where:

The network device is a device with a wireless transceiver function or a chip that can be installed in the network device. The network device includes but is not limited to: a base station (generation node B, gNB), a radio network controller (RNC), Node B (Node B, NB), base station controller (BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (baseband unit, BBU), the access point (AP), wireless relay node, wireless backhaul node, transmission and reception point, TRP or transmission in the wireless fidelity (WIFI) system Point, TP), etc., may also be a network node that constitutes a gNB or transmission point, such as a baseband unit (BBU), or a distributed unit (DU), etc.

In some deployments, the gNB may include a centralized unit (CU) and a DU. The gNB may also include a radio unit (RU). CU implements some functions of gNB, DU implements some functions of gNB. For example, CU implements radio resource control (RRC), packet data convergence protocol (PDCP) layer functions, and DU implements wireless link. Channel control (radio link control, RLC), media access control (media access control, MAC) and physical (physical, PHY) layer functions. Since the information of the RRC layer will eventually become the information of the PHY layer, or be transformed from the information of the PHY layer, under this architecture, high-level signaling, such as RRC layer signaling or PHCP layer signaling, can also be used. It is considered to be sent by DU, or sent by DU+RU. It can be understood that the network device may be a CU node, or a DU node, or a device including a CU node and a DU node. In addition, the CU can be divided into network equipment in the access network RAN, and the CU can also be divided into network equipment in the core network CN, which is not limited.

The terminal equipment may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication equipment , User agent or user device. The terminal device in the embodiment of the present application may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (VR) terminal device, and an augmented reality (AR) terminal Equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, transportation safety ( Wireless terminals in transportation safety, wireless terminals in smart cities, smart wearable devices (smart glasses, smart watches, smart headphones, etc.), wireless terminals in smart homes, and so on. The embodiments of this application do not limit the application scenarios. In this application, terminal devices with wireless transceiver functions and chips that can be installed in the aforementioned terminal devices are collectively referred to as terminal devices.

It should be noted that the communication system shown in FIG. 1 can be, but is not limited to, a fifth generation (5th Generation, 5G) system, such as a new generation of radio access technology (NR). Optionally, this application The method of the embodiment is also applicable to various future communication systems, such as 6G systems or other communication networks.

In a specific actual scenario, the network device will send data packets to the terminal device. Before sending each data packet, the network device will send the scheduling information corresponding to the data packet. The terminal device needs to continuously monitor the scheduling information of the data packet to successfully receive the data. Bag. However, during a period of time, the network device may not send data packets to the terminal device, but the terminal device still monitors the scheduling information of the data packet during this period, which will cause the terminal device to consume high power.

For example, when the terminal device is a mobile phone, when a user watches videos or plays a game through the mobile phone, the network device (such as a base station) sends data packets to the mobile phone intermittently, that is, after a period of time, it will stop for a period of time before sending. a period of time. For example, when a user is watching a video, the network device will send data packets to the mobile phone during the video buffering process. After the video is buffered, the network device will stop sending data packets to the mobile phone. After a period of time, the network device will send data to the mobile phone again during the next buffering. Bag. There are often hundreds of milliseconds (ms) or seconds or tens of seconds between two buffers. For another example, when a user is playing a game through a mobile phone network, the network device (for example, a base station) will send a data packet to the mobile phone at regular intervals. For example, the content of the data packet is the game content change, such as the position and movement track of teammates/ opponents. , Actions, what skills are released, etc. There is usually a period of time between the data packet and the data packet, such as 20ms. For example, at a moment, the mobile phone received the data packet of "the opponent's position has changed", as shown in Figure 2 (a), after 20ms, the mobile phone received the data packet of "the other party released certain skill" , As shown in Figure 2 (b). In the above process, the mobile phone always monitors whether there is a data packet sent by the base station (that is, it always monitors the scheduling information of the data packet sent by the base station). The power consumption of the mobile phone will be very high. The most direct manifestation is that the power of the mobile phone will be consumed very quickly. , May cause the user to suddenly run out of power when watching videos or playing games on the phone, which will affect the user experience.

It can be seen from the above that in the scenario where the user watches the video through the mobile phone, the time interval between the data packets sent by the network device to the mobile phone is relatively large. The time interval is relatively small. At present, in Rel-16, the downlink control information (DCI) format (format) 2_6 is introduced, and the terminal device is configured with discontinuous reception (DRX) (as shown in Figure 3, it is a DRX). When the base station is used to indicate whether the PDCCH needs to be monitored in a DRX cycle (cycle) associated with the current DCI format 2_6 before the DRX duration (OnDuration). The length of a DRX cycle is usually more than one hundred milliseconds. Therefore, DCI format 2_6 can be used to optimize the power consumption of mobile phones when users watch videos through mobile phones, that is, it can be used in scenarios where the time interval between data packets is large. However, in view of the small time interval between data packets in a scenario where a user plays a game through a mobile phone, the current standard does not define a suitable way to optimize the power consumption of the mobile phone.

Therefore, the gNB sends signaling to indicate that the UE may not need to monitor the PDCCH within a period of time (for example, several time slots, or several subframes, or several milliseconds, or several PDCCH monitoring occasions, etc.), so as to achieve The effect of energy saving, but there is no more optimized detailed plan to determine what kind of signaling is used to indicate PDCCH skipping, so as to further optimize the power consumption performance of the mobile phone.

Based on this, this application proposes a method for PDCCH monitoring to clarify how to monitor the PDCCH and save the power consumption of the terminal device. For example, in the above process, after the base station sends a data packet to the mobile phone, the base station will determine that in a short period of time, such as 10ms, it will not send any more data packets to the mobile phone. At this time, the base station can send a data packet to the mobile phone. An indication that the mobile phone does not monitor the PDCCH within 10ms, so as to achieve the purpose of energy saving.

Currently, downlink control information (DCI) is carried in the PDCCH and sent. The DCI that the terminal device needs to monitor is divided into different formats. In the current standard, the functions of each format of the DCI can be as follows:

0_0, 0_1, 0_2, used to schedule physical uplink shared channel (PUSCH), 0_2 is the compressed DCI (compact) used for ultra-reliable low-latency communication (URLLC) DCI);

1_0, 1_1, 1_2 are used to schedule PUSCH, and 1_2 is the compact DCI used by URLLC;

2_0, used to indicate the slot format, and indicate the channel occupancy time (COT) in the unlicensed spectrum (unlicensed), the available RB set (duration, available RB set) and the search space group switching indication (search space group switching); The DCI uses the time slot format to indicate the wireless network temporary identity (slot format indication radio network temporary identity, SFI-RNTI) scrambling;

2_1, indicates pre-emption, usually used in URLLC;

2_2, 2_3, indicating transmission power control command ((transmit power control, TPC) command), channel sounding reference signal request ((sounding reference signal, SRS) request); format 2_2 uses transmission power control (transmit power control, TPC)- PUSCH-RNTI or TPC-PUCCH-RNTI scrambling, format 2_3 uses TPC-sounding reference signal request (sounding reference signal, SRS)-RNTI scrambling;

2_4, indicates the cancellation (cancellation) of uplink (UL) transmission, usually used for URLLC;

2_5. Indicate whether the soft resource (soft resource) is available in the integrated access and backhaul (IAB);

2_6. When the terminal device is configured with discontinuous reception (DRX), indicate whether to skip PDCCH monitoring in the next DRX cycle (cycle), and indicate the dormancy behavior of the terminal device (dormancy behavior); the DCI format is Monitoring outside the activation time;

Among them, several DCI formats with a format of 0_x or 1_x are usually sent to a certain terminal device. The several DCI formats of 2_x are generally sent to multiple terminal devices (ie, a group of terminal devices), and the DCI carrying DCI format 2_x is called group DCI (group common DCI, GC-DCI).

In the above format, except for special scenarios (unlicensed, URLLC, IAB), in the normal enhanced mobile broadband (enhanced mobile broadband, eMBB) scenario, the possible formats that may appear within the activation time are 0_0, 0_1, 1_0, 1_1, 2_0, 2_2, 2_3.

In the process of research and discussion on power saving of terminal equipment, it was proposed to skip PDCCH (PDCCH skipping). The network equipment is required to send signaling to indicate that the terminal equipment can be used within a period of time (for example, several time slots, several sub-devices). Frames, several milliseconds or several PDCCH monitoring occasions (monitoring occasions, etc.) do not need to monitor PDCCH. The above DCI format 2_6 is different from the PDCCH skipping involved here. The specific differences are as follows:

(1) DCI format 2_6 is sent outside the active time, and PDCCH skipping is sent during the active time;

(2) DCI format 2_6 indicates whether a C-DRX cycle (typical value is 160ms or 320ms) is to monitor PDCCH, the granularity of indication is relatively large; PDCCH skipping indicates several time slots, or several subframes, or several milliseconds, or several Whether to monitor the PDCCH within a PDCCH monitoring occasion, the granularity of the indication is relatively small.

In fact, DCI format 2_6 has some shortcomings. Since the indication granularity is a C-DRX cycle, when the base station instructs the terminal device not to monitor the PDCCH, before the next C-DRX cycle of the C-DRX cycle associated with the current DCI format 2_6, if data arrives, it can only Waiting for the next C-DRX cycle to be sent will cause a relatively large delay. Or, if the terminal device has data arriving, even if the amount of data is small, the base station will still instruct the terminal device to monitor the PDCCH in the current C-DRX cycle, which will cause power waste.

It should be noted that there is currently no better solution for the above-mentioned PDCCH skipping indication method. Based on this, I applied for a PDCCH monitoring method, and clarified how to monitor the PDCCH.

It should be noted that in this embodiment of the present application, the first device may monitor or not monitor the PDCCH, etc., and the second device may indicate how the first device monitors the PDCCH. Specifically, the first device may be a terminal device, or a processor in a terminal device, or a chip or a chip system, or a functional module, etc.; the second device may be a network device or a network device In the processor, either a chip or a chip system, or a functional module, etc. In the following embodiments, only the first device is the terminal device and the second device is the network device as an example to illustrate the PDCCH monitoring method provided in this application in detail, but this application is not limited.

It should be noted that, in the application embodiment, the first indication information may be PDCCH skipping, which is described below.

Based on the above description, the method for PDCCH monitoring provided by the embodiment of the present application is applicable to the communication system shown in FIG. 1. Referring to Figure 4, the specific process of the method may include:

Step 401: The network device generates first indication information, the first indication information is used to instruct the terminal device not to monitor a specific PDCCH, the specific PDCCH carries DCI in a specific format, and the DCI in the specific format is DCI in all current formats Part of the DCI in, the part of the DCI is the DCI that includes scheduling data.

The network device can send a PDCCH skipping instruction to the terminal device when the terminal device does not have data services, so that the terminal device avoids monitoring some PDCCHs. However, the PDCCH can carry DCIs of different formats, and DCIs of different formats have different functions. When the terminal device does not have data services, the network device will not send scheduling information to the terminal device. Therefore, the terminal device can save power consumption by not monitoring the DCI carrying the scheduling data. However, there are some DCI formats that contain control signaling. Even if the terminal device does not have data services, the terminal device needs to monitor these DCI formats that carry control signaling. Therefore, the PDCCH skipping indication sent by the network device to the terminal device may only be used for DCI including scheduling data, but not for DCI that carries control signaling. When the terminal device monitors the PDCCH, it has already learned the DCI format that needs to be monitored in a certain time slot through the configuration of the search space. Therefore, after receiving the PDCCH skipping instruction, the terminal device can determine in which time slots it is not necessary to monitor the PDCCH and which time slots still need to monitor the PDCCH. For example, the network equipment configures the terminal equipment to monitor the DCI including scheduling data in each time slot from time slot 1 to time slot 10, and to monitor the DCI carrying control signaling in time slot 1 and time slot 6. The terminal device receives the first indication information, indicating that the PDCCH is not to be monitored in time slot 1 to time slot 10. Then the terminal will still monitor PDCCH (to receive DCI carrying control signaling) in time slot 1 and time slot 6, and will not monitor PDCCH in time slot 2 to time slot 5, and time slot 7 to time slot 10 to save energy.

In an optional implementation manner, the specific format does not include at least one of the following: format 2_0, format 2_2, format 2_3. Specifically, it can be understood that the indication of the first indication information will not be applied to the search space (search space) of monitoring DCI format 2_0, 2_2, 2_3 (the first indication is not applied to DCI format 2_0, 2_2, 2_3, Or the first indication is not applied to the search spaces in which UE monitors DCI format 2_0, 2_2, 2_3); or, when the terminal device monitors the DCI format 2_0, 2_2, 2_3, it ignores the first indication information (the UE monitors DCI) format 2_0, 2_2 and 2_3 regardless of the first indication). Among them, the DCI of format 2_0, format 2_2, and format 2_3 all belong to the DCI carrying control signaling and are monitored in the common search space.

Specifically, the specific reasons why DCI terminals of format 2_0, format 2_2, and format 2_3 need to be monitored are as follows: format 2_0 indicates slot format. Even when the terminal device does not have data scheduling, the terminal device still needs to perform some periodic actions, such as channel state information (CSI) measurement/report. These periodic behaviors also depend on the slot format. For example, the terminal device needs to determine which symbols are uplink and which symbols are downlink according to format 2_0. The terminal equipment can only perform CSI measurement in downlink symbols, and perform CSI reporting in uplink symbols. Therefore, format 2_0 also needs to be monitored when there is no data scheduling. The format 2_2 indicates the physical uplink control channel (PUCCH) and the TPC command of the PUSCH. The TPC command is used to adjust the transmission power of the periodic PUCCH and PUSCH (for example, for CSI reporting). In order to ensure the correct transmission of information such as periodic CSI reporting, format 2_2 also needs to be monitored when there is no data scheduling. The format 2_3 indicates the TPC command of the sounding reference signal request (sounding reference signal, SRS). The TPC command is used to adjust the transmission power of the periodic SRS. In order to ensure the correct transmission of the periodic SRS, the format 2_2 also needs to be sent when there is no data scheduling. monitor. In summary, the monitoring of format 2_0, format 2_2, and format 2_3 is not controlled by the first indication information.

In an optional implementation manner, the specific format may be at least one of the following: format 0_0, format 0_1, format 0_2, format 1_0, format 1_1, format 1_2. In this way, according to the first indication information, the monitoring of format 0_0, format 0_1, format 0_2, format 1_0, format 1_1, and format 1_2 can be reduced when the terminal device has no data transmission, thereby saving power consumption of the terminal device.

Specifically, the DCI of format 0_0, format 0_1, format 0_2, format 1_0, format 1_1, format 1_2 can be monitored in the public search space or in the specific search space of the terminal device; these types of The format can be scrambled using C-RNTI, CS-RNTI, MCS-C-RNTI or SP-CSI-RNTI.

Step 402: The network device sends the first indication information to the terminal device.

Step 403: The terminal device determines not to monitor the specific PDCCH according to the first indication information, that is, determines not to monitor the PDCCH carrying the DCI of the specific format.

Using the PDCCH monitoring method provided in the embodiments of the present application, the first indication information instructs the terminal device not to monitor the PDCCH carrying the downlink control information DCI in a specific format, which can reduce PDCCH monitoring and reduce the power consumption of the terminal device without affecting the terminal device. Read the necessary information.

Based on the above description, another method for PDCCH monitoring provided by the embodiment of the present application is applicable to the communication system shown in FIG. 1. Referring to Figure 5, the specific process of the method may include:

Step 501: The network device generates first indication information, where the first indication information is used to indicate the manner in which the terminal device monitors the PDCCH.

Step 502: The network device sends the first indication information to the terminal device.

Step 503: The terminal device determines a manner of monitoring the PDCCH in a first time interval according to the first indication information, where the first time interval is determined according to the monitoring period of the first indication information.

Exemplarily, the manner of monitoring the PDCCH may include at least one of the following: whether to monitor the PDCCH, whether to monitor the PDCCH in the first time interval, whether to monitor the PDCCH in the sub-time interval within the first time interval, and monitor/not monitor PDCCH periodic switching, terminal equipment information, time resource information, frequency domain resource information, or whether CSI measurement is required, etc.

In an optional implementation manner, the first indication information is located in a first time slot, and the start time of the first time interval is the first time slot, or the start of the first time interval The time is the next time slot of the first time slot, or the start time of the first time interval is the time next to the end time of the first indication information transmission in the first time slot; or, so The first indication information is located in the first symbol in the first time slot, and the start time of the first time interval is the next symbol of the first symbol.

It should be noted that when a symbol is used as a unit, a slot may include 14 symbols or 12 symbols. Generally, the terminal device may receive the PDCCH in the first few (1 to 3) symbols of a time slot, so the terminal device may also be in this position when it receives the first indication information.

Specifically, the first indication information is located in the first search space, the end time of the first time interval may be the end time of the previous time slot of the second time slot, and the second time slot may be the first time slot. R monitoring moments after one time slot, the R monitoring moments are the monitoring moments of the first search space, and R is an integer greater than or equal to 1.

In a specific implementation manner, the first indication information is indicated by one bit, and when the bit is the first value, the first indication information indicates that the PDCCH is not to be monitored; when the bit is the second value When the time, the first indication information indicates to monitor the PDCCH. Among them, the first value is 0 and the second value is 1; or the first value is 1 and the second value is 0.

For example, the network device configures the terminal device to monitor the first indication information in the common search space set 1 (CSS 1). The first indication information is 1 bit, and the monitoring period of CSS 1 is 10 time slots (slot 1). ). Then, if the terminal device detects that the first indication information is '0' in CSS 1, the terminal device may not monitor the PDCCH before the next (or next few) monitoring moments. If the terminal device detects the first indication in CSS 1, An indication message of '1' means that the UE monitors the PDCCH normally. Or, when the terminal device CSS1 detects that the first indication information is '1', the terminal device may not monitor the PDCCH before the next (or next few) monitoring moments, if the UE detects in CSS1 If the first indication information is '0', the terminal device normally monitors the PDCCH. Of course, the above 1 and 0 may also be other values, which are not limited in this application for comparison. In this example, the monitoring of PDCCH can be shown as shown in Fig. 6. Of course, Fig. 6 only takes the start time of the first time interval as the end time of the previous time slot and the next monitoring time as an example. The situation at the monitoring moment is similar, and will not be shown one by one here.

For another example, if the network device configures the terminal device to monitor the first indication information in both CSS1 and CSS2, the monitoring period of CSS1 is 10 slots, and the monitoring period of CSS2 is 20 slots. The wth slot is the monitoring moment of the two CSSs at the same time. For example, if the first indication information is '0', it means that PDCCH is not monitored, and if it is '1', it means that PDCCH is monitored. If the terminal device detects that the first indication information is '0' in CSS 1, the terminal device +10Z) PDCCH is not monitored before slots; if the terminal device detects that the first indication information is '0' in CSS 2, the terminal device will not monitor PDCCH before slot n+20W; otherwise, the terminal device normally monitors PDCCH . Or, taking the first indication information as '1' for not monitoring PDCCH, and '0' for monitoring PDCCH as an example, if the terminal device detects that the first indication information is '1' in CSS 1, then the terminal device is in the first (w+10Z) No PDCCH is monitored before the slot; if the terminal device detects that the first indication information is '1' in CSS 2, the terminal device will not monitor the PDCCH before the (n+20Z) slot; otherwise The terminal equipment normally monitors the PDCCH. Among them, Z is an integer greater than or equal to 1.

In a specific example, as shown in FIG. 7, for example, in the same time slot, different terminal devices may monitor different first indication information. For example, different terminal devices can be assigned different RNTIs to monitor different DCIs. Of course, multiple terminal devices may also be assigned the same RNTI and share the same first indication information.

In an optional implementation manner, the first time interval may include N first sub-time intervals, where N is an integer greater than or equal to 2; the first indication information may be indicated by the N bits, Wherein, the nth bit is used to indicate whether the terminal device monitors the PDCCH in the nth first sub-time interval, wherein the n is an integer from 1 to N. Wherein, the value of N is configured by the network device. Wherein, it should be noted that the integer from 1 to N means that n is 1, 2, 3,..., N; for the same reason, the content of other concepts in this application is understood to be the same , Other places involved are no longer explained one by one.

For example, as shown in Fig. 8, taking the CCS1 monitoring period of 10 slots as an example, suppose the first time interval includes 10 slots, including 2 sub-time intervals (that is, N is equal to 2), and each sub-time interval is 5 slots. The first indication information is indicated by 2 bits, and each bit indicates whether to monitor the PDCCH in 5 slots, that is, the first bit indicates whether to monitor the PDCCH in the first first sub-time interval (first 5 slots), The second bit indicates whether to monitor the PDCCH in the second first sub-time interval (the last 5 slots). It should be noted that the first sub-time interval may be less than 5 slots, because the reception of the first indication information takes some time, but for ease of explanation, in the examples of this application, the time occupied by the first indication information is ignored. , The same applies to the examples involved below, and will not be explained one by one later.

In another optional implementation manner, the first time interval may include K second sub-time intervals, and K is an integer greater than or equal to 1; the first indication information may be indicated by M*K bits , Wherein each bit indicates whether a group of terminal equipment monitors the PDCCH in a second sub-time interval, the group of terminal equipment is a group of terminal equipment in M groups of terminal equipment, and M is greater than or equal to 2 Integer; the terminal device is included in any group of terminal devices in the M groups of terminal devices. Wherein, the value of K is configured by the network device. Specifically, which bits are read by the terminal device or which group of terminal devices the terminal device belongs to are configured by the network device.

In an example, M*K bits can be divided into M bit blocks, and each bit block (or called a bit set) includes K bits, and each bit block indicates that a group of terminal devices perform K second sub-times. Whether to monitor PDCCH in the interval. Specifically, as shown in the schematic diagram of M*K bits shown in FIG. 9a, the m-th bit block in the M bit blocks indicates that the m-th group of terminal equipment is in the first time interval (that is, in the K bits). The second sub-time interval) Whether to monitor the PDCCH, the k-th bit in a bit block indicates whether a group of terminal equipment monitors the PDCCH in the k-th second sub-time interval.

In another example, M*K bits can be divided into K bit blocks, each bit block includes M bits, and each bit block indicates whether a total of M groups of terminal devices in a second sub-time interval monitor the PDCCH. Specifically, as shown in the schematic diagram of M*K bits shown in FIG. 9b, the k-th bit block indicates whether to monitor the PDCCH in the k-th second sub-time interval, and the m-th bit in a bit block Indicate whether the m-th group of terminal equipment monitors the PDCCH. In other words, the m-th bit in the k-th bit block may indicate whether the m-th group of terminal equipment monitors the PDCCH in the k-th second sub-time interval.

It should be noted that, for a certain terminal device, after receiving the first indication information, at least M*K bits will be obtained. However, only K bits are required by the terminal device, and the remaining M*K-K bits are useless information for the terminal device. Therefore, the terminal device needs to determine which K bits to read from the M*K bits. This information can be configured by the network device to the terminal device. There are several possibilities for specific configuration methods. One possible method is that the network device directly sends configuration information to the terminal device, and the configuration information is what bits the terminal device needs to read. For example, M*K bits are divided into M bit blocks, and when each bit block includes K bits, the network device can configure the start bit and bit length that the terminal device needs to read; or the network device configures the terminal device to read Take the first bit block. Another possible method is that the terminal device determines which bits are read through the terminal device group number where it is located. For example, the network device sends configuration information to the terminal device, indicating which terminal device group the terminal device belongs to. When the M*K bits are divided into M bit blocks, where the m-th bit block indicates whether the m-th group of terminal equipment monitors the PDCCH in the first time interval, the terminal equipment can determine to read the first time interval according to its group number. Several bit blocks. The M*K bits can be divided into K bit blocks, and the k-th bit block indicates whether the M group of terminal equipment monitors the PDCCH in the k-th second sub-time interval. Which bits are read in a block of bits.

For example, as shown in FIG. 9c, the terminal devices that monitor the first indication information are divided into M=2 groups, and the first time interval including 10 slots can be divided into K=2 second sub-time intervals. At this time, the first bit can indicate whether the terminal equipment of the first group in the first 5 slots (that is, the first second sub-time interval) monitors the PDCCH, and the second bit indicates whether the terminal equipment of the second group in the first 5 slots is Monitor PDCCH, the third bit indicates whether the terminal equipment of the first group in the next 5 slots (that is, the second second sub-time interval) monitors the PDCCH, and the fourth bit indicates whether the terminal equipment of the second group in the next 5 slots monitors or not PDCCH.

Of course, the first bit can also indicate whether the terminal equipment of the first group in the first 5 slots monitors the PDCCH, the second bit indicates whether the terminal equipment of the first group in the next 5 slots monitors the PDCCH, and the third bit indicates whether the terminal equipment of the first group monitors the PDCCH. Whether the second group of terminal equipment in the slot monitors the PDCCH, and the fourth bit indicates whether the second group of terminal equipment in the next 5 slots monitors the PDCCH. Of course, there can also be other instructions, which will not be listed here.

It should be noted that in FIGS. 6-8 and 9c, each column represents one or more symbols in a slot, and the symbol represented by each column identifies the symbol of the PDCCH that is usually monitored by the terminal device.

In an optional implementation manner, the first indication information may include at least two indication fields, and any indication field is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information, or whether CSI measurement needs to be performed, where two indication fields indicate different content. Specifically, according to the different indication fields included in the first indication information, it can be divided into the following situations:

Case a1. The at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the time resource information; wherein, the terminal device information may be A Group terminal device information, the time resource information may be information about whether the terminal device of group A monitors the first time interval of the PDCCH, the first time interval includes B third sub-time intervals; A is greater than Or an integer equal to 1, and B is an integer greater than or equal to 1.

In an example of this situation a1, the first indication field may include A bits, the A bits are used to indicate the A group of terminal devices, and the second indication field may include B Bits, the B bits are respectively used to indicate the B third sub-time intervals; the a-th bit in the A bits and the b-th bit in the B bits together indicate the a-th group Whether the terminal device monitors the PDCCH in the b-th third sub-time interval in the first time interval, where a is an integer from 1 to A, and b is an integer from 1 to B.

For example, the first time interval includes 10 slots, which are divided into 5 third sub-time intervals, and each third sub-time interval is 2 slots, which are indicated by 5 bits, that is, B is 5. The terminal equipment is divided into 3 groups, namely A is equal to 3.

For example, 8 bits may be as shown in FIG. 10. In an embodiment, in the 8 bits shown in FIG. 10, each of the first three bits "001" corresponds to a group of terminal devices, where "0" represents the corresponding The first two groups of terminal devices skip 10 slots, that is, PDCCH is not monitored in the 10 slots. "1" means that the third group of terminal devices monitors according to the last five bits "11000". Specifically, each of the last five bits "11000" One bit corresponds to two slots in turn, where "0" means that the PDCCH corresponding to the two slots is not monitored, and "1" means that the PDCCH corresponding to the two slots is monitored, so the 8 bits indicate that the first two groups of terminal devices skip 10 slots , PDCCH is not monitored, the last group of terminal equipment monitors PDCCH in the first 4 slots, and does not monitor PDCCH in the last 6 slots. This indication method saves bits compared to the above-mentioned method of indicating by M*K bits (the M*K method requires 3*5=15 bits).

In one embodiment, in the 8 bits shown in FIG. 10, "0" in the first three bits means monitoring according to the last 5 bits, "1" means not monitoring PDCCH, and "1" in the last five bits means it is in the corresponding The two slots do not monitor the PDCCH, "0" means that the PDCCH is monitored in the corresponding two slots, then 8 bits indicate that the first two groups of terminal devices do not monitor the PDCCH in the first 4 slots, and monitor the PDCCH in the last 6 slots ; The last group of terminal equipment does not monitor PDCCH in 10 slots.

In another embodiment, in the 8 bits shown in FIG. 10, "0" in the first three bits means monitoring according to the last five bits, "1" means not monitoring the PDCCH; "1" in the last five bits means The corresponding 2 slots monitor the PDCCH, "0" means that the PDCCH is not monitored in the corresponding 2 slots, then the 8 bits indicate that the first two groups of terminal devices monitor the PDCCH in the first 4 slots, and do not monitor the PDCCH in the last 6 slots PDCCH: The last group of terminal equipment monitors the PDCCH in 10 slots.

Of course, the 8 bits shown in FIG. 10 may also have other embodiments according to different meanings of the values, which is not limited in this application.

The above example may be pre-configured by the terminal and the base station, or the base station may instruct the terminal through signaling.

Case a2. The at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the frequency domain resource information; wherein, the terminal device information may be Group C terminal equipment information, the frequency domain resource information may be the information of the D group carrier configured by each group of terminal equipment in the C group terminal equipment; C is an integer greater than or equal to 1, and D is greater than or equal to 1. Integer.

In an example of this situation a2, the first indication field may include C bits, the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication field may include D Bits, the D bits are respectively used to indicate the group D carriers; the c-th bit in the C bits and the d-th bit in the D bits together indicate that the c-th group of terminal equipment is in all Whether the PDCCH is monitored in the d-th group of the D-group carriers; where c is an integer from 1 to C, and d is an integer from 1 to D.

For example, the terminal equipment is divided into 3 groups (that is, C is 3), and the carrier (also called a cell) configured for each terminal equipment is divided into two groups, which are indicated by two bits respectively, that is, D is 2. At this time, 5 bits can be as shown in Figure 11.

In an embodiment, in the 5 bits shown in Figure 11, each of the first three bits "001" corresponds to a group of terminal equipment, where "0" means that the corresponding group of terminal equipment does not monitor PDCCH in all cells, " 1" means monitoring based on the last two bits "10". Specifically, each of the last two bits "10" corresponds to a group of cells, where "1" indicates that the PDCCH is monitored in the corresponding group of cells, and "0" indicates that the PDCCH is not monitored in the corresponding group of cells. Then the 5 bits indicate that the first two groups of terminal devices skip the entire first time interval on all cells (which can be determined by the monitoring period, for example, the monitoring period is 10 slots, and the first time interval can also be 10 slots. ), that is, the PDCCH is not monitored in all cells, and the last group of terminal equipment monitors the PDCCH in the first group of cells, and skips the monitoring of the second group of cells, that is, the PDCCH is not monitored in the second group of cells.

In another embodiment, in the 5 bits shown in FIG. 11, "0" in the first three bits means monitoring based on the next two bits "10", and "1" means that the group of terminal equipment does not monitor PDCCH in all cells. "1" in the last two bits indicates that the PDCCH is not monitored in the corresponding group of cells, and "0" indicates that the PDCCH is monitored in the corresponding group of cells. Then 5 bits indicate that the first two groups of terminal equipment do not monitor the PDCCH in the first group of cells, and the second group of cells monitor the PDCCH; the last group of terminal equipment does not monitor the PDCCH in all cells.

In another embodiment, "0" in the first three bits means monitoring based on the next two bits "10", "1" means that the group of terminal equipment monitors PDCCH in all cells, and "1" in the last two bits means monitoring The corresponding group of cells does not monitor the PDCCH, and "0" means that the PDCCH is monitored in the corresponding group of cells. Then 5 bits indicate that the first two groups of terminal equipment do not monitor the PDCCH in the first group of cells, and the second group of cells monitor the PDCCH; the last group of terminal equipment monitors the PDCCH in all cells.

Of course, the bits shown in FIG. 11 may also have other embodiments according to different meanings of values, which is not limited in this application.

Among them, the cell group of the terminal equipment is configured by the network equipment, and different terminal equipment can be configured differently. For example, terminal device 1 has 4 cells, cell 1 and cell 2 can be configured as the first group, cell 3 and cell 4 are the second group; terminal device 2 has 3 cells, cell 1 is a group, cell 2 and cell 3 For the second group.

Case a3: The at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the time resource information; wherein, the frequency domain resource information is Information about the group E carriers configured by the terminal device, where the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the first time interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.

In an example of this situation a3, the first indication field includes E bits, the E bits are used to indicate the E group of carriers, and the second indication field includes F bits, so The F bits are respectively used to indicate the F fourth sub-time intervals; the e-th bit in the E bits and the f-th bit in the F bits together indicate that the terminal device is in the first Whether to monitor the PDCCH in the f-th fourth sub-time interval of the first time interval on the e group of carriers; where e is an integer from 1 to E, and f is an integer from 1 to F.

For example, the first time interval includes 10 slots, which are divided into 5 fourth sub-time intervals, and each fourth sub-time interval is 2 slots, indicated by 5-bit, that is, F is 5. The carrier (ie, cell) configured for each terminal device is divided into two groups, which are indicated by two bits respectively, that is, E is 2. At this time, 7 bits can be as shown in Figure 12.

In an embodiment, in the 7 bits shown in Figure 12, each of the first two bits "10" corresponds to a group of cells, where "0" means that the terminal device skips 10 bits in the corresponding group of cells. slot, "1" means that the terminal device monitors according to the last 5 bits "11000" in the corresponding group of cells. Specifically, each of the last five bits "11000" corresponds to two slots in turn, where "0" means not monitoring the PDCCH corresponding to the two slots, and "1" means monitoring the PDCCH corresponding to the two slots, then 7 bits It means that the terminal device skips the entire first time interval (that is, 10 slots) on the second group of cells, that is, the terminal device is in the first time interval (that is, in all the fourth sub-time intervals) when it is in the second group of cells The PDCCH is not monitored. On the first group of cells, the terminal device monitors the PDCCH in the first 4 slots, and does not monitor the PDCCH in the last 6 slots.

In an embodiment, the 7 bits shown in FIG. 12, "1" in the first two bits indicates that the terminal device does not monitor the PDCCH in the corresponding group of cells, and "0" indicates that the terminal device is in the corresponding group of cells. In the last 5 bits, “11000” is monitored; among the last 5 bits, “0” means monitoring the PDCCH corresponding to two slots, “1” means not monitoring the PDCCH corresponding to two slots, and 7 bits means that the terminal device is in The PDCCH is not monitored in the first group of cells in the first time interval (that is, in all the fourth sub-time intervals); the terminal device does not monitor the PDCCH in the first 4 slots in the second group of cells, and monitors in the last 6 slots PDCCH.

In an embodiment, in the 7 bits shown in Figure 12, "1" in the first two bits indicates that the terminal device monitors the PDCCH in all slots in the corresponding group of cells, and "0" indicates that the terminal device is in the corresponding one. The group cell is monitored according to the last 5 bits "11000"; in the last 5 bits, "0" means monitoring the PDCCH corresponding to two slots, "1" means not monitoring the PDCCH corresponding to the two slots, then 7 bit terminal equipment On the first group of cells, the PDCCH is monitored in the first time interval (that is, in all the fourth sub-time intervals); the terminal device does not monitor the PDCCH in the first 4 slots in the second group of cells, and in the last 6 slots Monitor PDCCH.

Of course, the 7 bits shown in FIG. 12 may also have other embodiments according to different meanings of the values, which is not limited in this application.

Case a4: The at least two indicator fields are three indicator fields, the first indicator field indicates the terminal device information, the second indicator field indicates the frequency domain resource information, and the third indicator field indicates the time Resource information; where the terminal equipment information may be information of the G group of terminal equipment, the frequency domain resource information is the information of the H group of carriers configured by each group of terminal equipment in the G group of terminal equipment, and the time resource information Is information about whether the terminal equipment of the G group monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is an integer greater than or equal to 1, and G is an integer greater than or equal to 1. , I is an integer greater than or equal to 1.

In an example of this situation a4, the first indication field includes G bits, the G bits are used to indicate the G group terminal devices, and the second indication field includes H bits, The H bits are respectively used to indicate the E group of carriers, the third indication field includes 1 bit, and the I bit indicates the I fifth sub-time interval respectively; among the G bits The g-th bit of the H bits, the h-th bit of the H bits, and the i-th bit of the I bits together indicate that the g-th group of terminal equipment is in the first time interval when the g-th group of carriers is on the h-th group of carriers. Whether to monitor the PDCCH in the i-th fifth sub-time interval in, where g is an integer from 1 to G, h is an integer from 1 to H, and i is an integer from 1 to 1.

For example, the first time interval includes 10 slots, which are divided into 5 segments, with 2 slots in each segment, indicated by 5-bit, that is, I is equal to 5. The terminal equipment is divided into 2 groups, which are indicated by two bits respectively, that is, G is 2. The carrier (ie, cell) configured for each terminal device is divided into two groups, which are indicated by two bits respectively, that is, H is 2. At this time, 9 bits can be as shown in Figure 13.

In one embodiment, in the 9 bits shown in Figure 13, each of the first 2 bits "10" corresponds to a group of terminal equipment, where "0" means that the corresponding group of terminal equipment skips 10 slots in all cells. , That is, 10 slots do not monitor PDCCH in all cells, "1" means that the corresponding group of terminal equipment monitors according to the last 7 bits. Each of the first 2 bits "10" in the last 7 bits corresponds to a group of cells, where "1" means skip 10 slots on the corresponding group of cells, and "0" means in the corresponding group of cells The above is monitored based on the last 5 bits "11000". Each of the last 5 bits "11000" corresponds to two slots in turn, where "1" indicates that the PDCCH is monitored in the corresponding two slots, and "0" indicates that the PDCCH is not monitored in the corresponding two slots. Then 9 bits indicate that the second group of terminal equipment skips the entire first time interval (that is, 10 slots) on all cells, that is, the second group of terminal equipment does not monitor the PDCCH in the first time interval when in all cells . The first group of terminal equipment also skips the entire first time interval on the first group of cells, that is, the PDCCH is not monitored in the first time interval in the first group of cells; on the second group of cells, the first 4 slots PDCCH is monitored, and PDCCH is not monitored in the last 6 slots.

In an embodiment, in the 9 bits shown in Figure 13, "0" in the first two bits means that the corresponding group of terminal equipment monitors according to the last 7 bits, and "1" means that the corresponding group of terminal equipment is in all cells. Skip 10 slots, that is, 10 slots do not monitor PDCCH in all cells; "1" in the first two bits of the last 7 bits means monitoring according to the last 5 bits "11000", and "0" means 10 slots are skipped on the corresponding group of cells; "1" in the last 5 bits indicates that the PDCCH is not monitored in the corresponding two slots, and "0" indicates that the PDCCH is monitored in the corresponding two slots. Then 9 bits indicate that the terminal equipment of the first group does not monitor the PDCCH in the first time interval when in all cells; the terminal equipment of the second group does not monitor the PDCCH in the first 4 slots in the first group of cells, and the last 6 slots PDCCH is not monitored in the second group of cells; PDCCH is not monitored in the first time interval in the second group of cells.

Of course, the 9 bits shown in FIG. 13 may also have other embodiments according to different meanings of the values, which is not limited in this application.

Case a5: The at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI measurement needs to be performed; wherein, the time resource information is the Whether the terminal device monitors the information of the first time interval of the PDCCH, and whether the CSI measurement needs to be performed is whether the terminal device performs CSI measurement and feedback.

In an example of this situation a5, the first indicator field includes 1 bit, the second indicator field includes 1 bit; and 1 bit of the first indicator field is indicated by different values. The terminal device monitors or does not monitor the PDCCH in the first time interval; and, 1 bit of the second indication field indicates the terminal device to perform CSI measurement and feedback or not to perform CSI through different values Measurement and feedback.

For example, if the first indication information is '00', it means that the terminal device does not need to monitor the PDCCH and does not perform CSI measurement/feedback; if the first indication information is '01', it means that the terminal device does not need to monitor the PDCCH, but needs to perform CSI measurement/feedback.

Of course, the first indication information can also be '00', indicating that the terminal device needs to monitor the PDCCH and also need to perform CSI measurement/feedback; the first indication information is '01', indicating that the terminal device needs to monitor the PDCCH, but does not need to perform CSI measurement /Feedback.

Case a6: The at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI measurement needs to be performed; wherein, the time resource information is the Whether the terminal device monitors the information of the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback; J is greater than Or an integer equal to 1.

In an example of this situation a6, the first indicator field includes J bits, the J bits are used to indicate the J sixth sub-time intervals, and the second indicator field includes 1 Bits; the j-th bit of the J bits and 1 bit of the second indicator field together indicate that the terminal device is in the j-th sixth sub-time interval of the first time interval Whether to monitor the PDCCH and whether to perform CSI measurement and feedback; where j is an integer from 1 to J.

For example, the first time interval is 10 slots, divided into 5 sixth sub-time intervals, and each sixth sub-time interval includes 2 slots, which are indicated by 5-bit, that is, J is 5. Whether to perform CSI measurement/feedback is indicated by 1 bit.

At this time, the 6 bits can be as shown in Figure 14. In an embodiment, the 6 bits shown in Figure 14, the first 5 bits "11000" each corresponds to 2 slots in turn, where "0" means no monitoring corresponds For the PDCCH of 2 slots, "1" means to monitor the PDCCH corresponding to the 2 slots; the last bit "1" means to perform CSI measurement/feedback, then 6 bits can mean that the terminal device monitors the PDCCH in the first 4 slots and performs CSI measurement/feedback, the last 6 slots may not monitor PDCCH, but CSI measurement/feedback is required.

In another embodiment, in the 6 bits shown in Figure 14, "0" in the first 5 bits means monitoring the PDCCH corresponding to 2 slots, and "1" means not monitoring the PDCCH corresponding to 2 slots; the last one Bit "1" indicates that CSI measurement/feedback is not required. Then 6 bits indicate that the terminal device does not monitor the PDCCH and does not perform CSI measurement/feedback in the first 4 slots, and the latter 6 slots monitor the PDCCH, but do not need to perform CSI measurement/feedback.

Of course, the bits shown in FIG. 14 may also have other embodiments according to different meanings of the values, which are not limited in this application.

At this time, the 6 bits can also be shown in Fig. 15. In an embodiment, in the 6 bits shown in Fig. 15, each of the first 5 bits "11000" corresponds to 2 slots in turn, where "0" means no To monitor the PDCCH corresponding to 2 slots, "1" means to monitor the PDCCH corresponding to 2 slots; the last bit "0" means that CSI measurement/feedback is required. Among them, when the current 5 bits indicate that the PDCCH is not to be monitored, it can be directly determined that CSI measurement/feedback is not required, and it is not necessary to determine whether CSI measurement/feedback is required according to the indication of the latter bit. Then 6 bits indicate that the terminal device monitors the PDCCH and performs CSI measurement/feedback in the first 4 slots, and the latter 6 slots may not monitor the PDCCH and do not need to perform CSI measurement/feedback.

In another embodiment, in the 6 bits shown in Figure 15, "0" in the first 5 bits means monitoring the PDCCH corresponding to 2 slots, and "1" means not monitoring the PDCCH corresponding to 2 slots; the last one Bit "0" indicates that CSI measurement/feedback is required. Among them, when the current 5 bits indicate that the PDCCH is not to be monitored, it can be directly determined that CSI measurement/feedback is not required, and it is not necessary to determine whether CSI measurement/feedback is required according to the indication of the latter bit. Then 6 bits indicate that the terminal device does not monitor the PDCCH and does not perform CSI measurement/feedback in the first 4 slots, and the last 6 slots monitor the PDCCH, but need to perform CSI measurement/feedback.

Of course, the 6 bits shown in FIG. 15 may also have other embodiments according to different meanings of the values, which is not limited in this application.

It should be noted that, in the above six cases shown in a1 to a6, the specific number of bits and the indication method of each indication field are only an example, and other indications can also be used, which is not limited in this application.

In a specific implementation manner, the first indication information may be sent through a first DCI, where the format of the first DCI may be format 2_0, format 2_2, or format 2_3.

Specifically, the first indication information is included in the first field of the first DCI; where:

In an example, when the format of the first DCI is format 2_0, the first field may be the next field of the slot format indication in the first DCI, that is, skip The skipping indication is located after the dynamic slot format indication, as shown in FIG. 16 for example. At this time, the first field is a field added later on the basis of the existing DCI.

In another example, when the format of the first DCI is format 2_2 or format 2_3, the first field may be the next field of the TPC indication information field (TPC indication) in the first DCI, that is, skipping The indication is located after the TPC indication information (TPC indication), as shown in Figure 17. At this time, the first field is a field added later on the basis of the existing DCI. Among them, since the formats of the format 2_2 and the format 2_3 are basically the same, the examples of the format 2_2 and the format 2_3 can be illustrated by FIG. 17.

In another example, when the format of the first DCI is format 2_2 or format 2_3, since the format 2_2 or format 2_3 contains indication information of multiple UEs, the bits in the specific DCI are divided into multiple bit sets. Multiple bit sets have a one-to-one correspondence with the UE. At this time, additional fields can be added to a certain UE's own bit set. Exemplarily, the first field is the next field of the TPC indication information field (TPC indication) for the terminal device, where a schematic diagram of format 2_2 as an example is shown in FIG. 18. At this time, the first field is a field added after the TPC indication of each terminal device, that is, a skipping indication is added to the TPC indication of each UE.

Using the PDCCH monitoring method provided in the embodiments of the present application, the first indication information instructs the terminal device to monitor the PDCCH, so that the terminal device can clarify how to monitor the PDCCH, thereby reducing PDCCH monitoring and reducing the power consumption of the terminal device.

Based on the above description, another method for PDCCH monitoring provided by the embodiment of the present application is applicable to the communication system shown in FIG. 1. Referring to Figure 19, the specific process of the method may include:

Step 1901: The network device generates first indication information, where the first indication information includes at least two indication fields, and any indication field is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information, or whether CSI measurement is required.

Step 1902: The network device sends the first indication information to the terminal device.

Step 1903: The terminal device performs corresponding operations according to the instructions of at least two indication fields of the first indication information.

Specifically, for the detailed description of the at least two indication fields included in the first indication information, reference may be made to the specific descriptions in the case a1 to the case a6 in the embodiment shown in FIG. 5, which will not be described in detail here.

Using the PDCCH monitoring method provided in the embodiment of the present application, the operation that the terminal device needs to perform can be clarified through the first indication information, thereby saving power consumption of the terminal device.

In addition, some other explanations are given in the embodiments of this application:

At present, in the prior art, the base station can send indication information to the UE to indicate the dormancy behavior (dormancy behavior) of the UE on the secondary cell (secondary cell, SCell). The specific method is that on each SCell, the UE will be configured with one dormant bandwidth part (dormant bandwidth part, (dormant BWP)) and at least one non-dormant BWP (non-dormant BWP). When the UE receives the instruction from the base station to perform dormancy behavior, the UE will switch to work on the dormant BWP; when the UE receives the base station instruction to perform non-dormancy behavior, the UE will switch to work on the non-dormant BWP.

If further, the base station can also indicate PDCCH skipping (that is, the above-mentioned first indication information) to the UE, then what is the relationship between dormancy behavior and PDCCH skipping, that is, when the UE receives both instructions at the same time, the UE behavior is What, the embodiment of this application provides two possible methods:

Method 1: PDCCH skipping controls the behavior of the UE in all cells. The behavior of the UE to monitor the PDCCH on the primary cell (primary cell, PCell) will not be affected by the dormancy behavior indication, so the PDCCH skipping can at least indicate whether the UE on the PCell monitors the PDCCH.

If an SCell is in a non-dormant state (that is, the UE is working on a non-dormant BWP in the SCell), and the UE receives a skipping indication indicating that it needs to skip PDCCH monitoring for a period of time, the UE also skips the corresponding PDCCH monitoring on the SCell Time PDCCH monitoring.

If a certain SCell is in the dormant state (that is, the UE is working on the dormant BWP in the SCell), the UE itself does not monitor the PDCCH. When the UE receives the skipping indication indicating that it needs to skip PDCCH monitoring for a period of time, the UE maintains the dormancy state on the SCell.

For example, the UE has 5 cells, among which cell 1 is Pcell, and cell 2 to cell 5 are SCells. The UE works on the non-dormant BWP of cell 2 and cell 3, and works on the dormant BWP of cell 4 and cell 5. If the UE receives the PDCCH skipping indication information in time slot n, the indication information indicates that the UE will not monitor the PDCCH in the next m time slots. Then the UE does not monitor the PDCCH on all cells in the time slot n to the time slot (n+m). Among them, in cell 2 and cell 3, the UE will not switch to the dormant BWP, but will remain on the non-dormant BWP, but does not perform the action of monitoring the PDCCH.

Method 2: PDCCH skipping controls the behavior of the UE on a cell where dormancy behavior is not configured. The behavior of the UE to monitor the PDCCH on the PCell will not be affected by the dormancy behavior indication, so the PDCCH skipping can at least indicate whether the UE monitors the PDCCH on the PCell. For SCells, one indication method is to group the SCells, and use several bits to indicate whether the UE on each SCell group monitors the PDCCH. At this time, if a certain SCell does not belong to any group, the behavior of the UE to monitor the PDCCH on the SCell is also not controlled by the dormancy indication. The cell can then be controlled by skipping instructions.

For example, the UE has 6 cells, among which cell 1 is Pcell, and cell 2 to cell 6 are SCells. Among them, cell 2 and cell 3 are divided into one group, and cell 4 and cell 5 are divided into one group. A total of 2 bits indicate the dormancy behavior of the above two groups of cells respectively. The behavior of the UE to monitor the PDCCH on the cell 6 is not affected by the dormancy behavior indication. If the UE receives the PDCCH skipping indication information in time slot n, the indication information indicates that the UE will not monitor the PDCCH in the next m time slots. Then the UE does not monitor the PDCCH on the cell 1 and the cell 6 in the time slot n to the time slot (n+m). This indication does not affect the UE's behavior of monitoring PDCCH on cell 2 to cell 5.

Based on the above embodiments, an embodiment of the present application further provides a device. As shown in FIG. 20, the device 2000 may include a transceiver unit 2001 and a processing unit 2002. The transceiver unit 2001 is used for the device 2000 to receive information (message or data) or send information (message or data), and the processing unit 2002 is used for controlling and managing the actions of the device 2000. The processing unit 2002 may also control the steps performed by the transceiver unit 2001.

Exemplarily, the apparatus 2000 may specifically be the terminal device in the foregoing embodiment, the processor in the terminal device, or a chip or chip system, or a functional module, etc.; or, the apparatus 2000 may specifically be the foregoing implementation In the example, the network device, the processor of the network device, or a chip or a chip system, or a functional module, etc.

In an embodiment, when the apparatus 2000 is used to implement the function of the terminal device in the embodiment described in FIG. 4, it may specifically include: the transceiver unit 2001 is used to receive the first indication information from the network device, The first indication information is used to instruct the terminal equipment not to monitor the PDCCH carrying the downlink control information DCI of the specific format; the DCI of the specific format is part of the DCI of all current DCI formats; the processing unit 2002 is used to The first indication information determines that the PDCCH carrying the DCI of the specific format is not monitored.

In another embodiment, when the apparatus 2000 is configured to implement the function of the network device in the embodiment shown in FIG. 4, it may specifically include: the processing unit 2002 is configured to generate first indication information, and the first The indication information is used to instruct the terminal device not to monitor the PDCCH carrying the downlink control information DCI of a specific format; the DCI of the specific format is part of the DCI of all current DCI formats; the transceiver unit 2001 is used to send to the terminal device The first indication information.

In an optional implementation manner, the specific format does not include at least one of the following: format 2_0, format 2_2, format 2_3.

Exemplarily, the specific format is at least one of the following: format 0_0, format 0_1, format 0_2, format 1_0, format 1_1, format 1_2.

In an embodiment, when the apparatus 2000 is used to implement the function of the terminal device in the embodiment described in FIG. 5, it may specifically include: the transceiver unit 2001 is configured to receive first indication information from a network device, and The first indication information is used to instruct the terminal equipment to monitor the PDCCH mode; the processing unit 2002 is used to determine the PDCCH monitoring mode in the first time interval according to the first indication information, where the first time interval is Determined according to the monitoring period of the first indication information. In addition, the transceiving unit 2001 can also implement other transceiving operations performed by the terminal device in the embodiment shown in FIG. 5; the processing unit 2002 can also implement other transceiving operations performed by the terminal device in the embodiment shown in FIG. 5 Operations other than those. For specific related descriptions, reference may be made to the related descriptions in the embodiment shown in FIG. 5, which will not be described in detail here.

In another embodiment, when the apparatus 2000 is configured to implement the function of the network device in the embodiment shown in FIG. 5, it may specifically include: the processing unit 2002 is configured to generate first indication information, and the first The indication information is used to indicate the manner in which the terminal device monitors the PDCCH; the transceiver unit 2001 is used to send the first indication information to the terminal device. In addition, the transceiving unit 2001 can also implement other transceiving operations performed by the network device in the embodiment shown in FIG. 5; the processing unit 2002 can also implement other transceiving operations performed by the network device in the embodiment shown in FIG. 5 Operations other than those. For specific related descriptions, reference may be made to the related descriptions in the embodiment shown in FIG. 5, which will not be described in detail here.

In an embodiment, when the apparatus 2000 is used to implement the function of the terminal device in the embodiment described in FIG. 19, it may specifically include: the transceiver unit 2001 is configured to receive first indication information from a network device, and The first indication information includes at least two indication fields, and any indication field is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information or whether CSI measurement needs to be performed; the processing unit 2002 is used for The instructions of at least two indication fields of the first indication information perform corresponding operations.

In an embodiment, when the apparatus 2000 is configured to implement the function of the terminal device in the embodiment shown in FIG. 19, it may specifically include: the processing unit 2002 is configured to generate first indication information, and the first indication The information includes at least two indication fields, and any indication field is used to indicate one of the following: terminal equipment information, time resource information, frequency domain resource information or whether CSI measurement needs to be performed; the transceiver unit 2001 is used to send to the terminal equipment The first indication information.

For the description of the at least two indication fields, reference may be made to the specific description in the foregoing embodiment, and the details are not repeated here.

It should be noted that the division of units in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation. The functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

Based on the above embodiment, an embodiment of the present application also provides a device. As shown in FIG. 21, the device 2100 may include a transceiver 2101 and a processor 2102. Optionally, the device 2100 may further include a memory 2103. Wherein, the memory 2103 may be provided inside the device 2100, and may also be provided outside the device 2100. Wherein, the processor 2102 may control the transceiver 2101 to receive and send data.

Specifically, the processor 2102 may be a central processing unit (CPU), a network processor (NP), or a combination of a CPU and an NP. The processor 2102 may further include a hardware chip. The above-mentioned hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof. The above-mentioned PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a generic array logic (GAL), or any combination thereof.

Wherein, the transceiver 2101, the processor 2102, and the memory 2103 are connected to each other. Optionally, the transceiver 2101, the processor 2102, and the memory 2103 are connected to each other through a bus 2104; the bus 2104 may be a Peripheral Component Interconnect (PCI) bus or an extended industry standard Structure (Extended Industry Standard Architecture, EISA) bus, etc. The bus can be divided into an address bus, a data bus, a control bus, and so on. For ease of representation, only one thick line is used in FIG. 21 to represent it, but it does not mean that there is only one bus or one type of bus.

In an optional implementation manner, the memory 2103 is used to store programs and the like. Specifically, the program may include program code, and the program code includes computer operation instructions. The memory 2103 may include RAM, or may also include non-volatile memory, such as one or more disk memories. The processor 2102 executes the application program stored in the memory 2103 to realize the above-mentioned functions, thereby realizing the functions of the device 2100.

Exemplarily, the apparatus 2100 may be the terminal device in the foregoing embodiment; it may also be the network device in the foregoing embodiment.

In one embodiment, when the apparatus implements the functions of the terminal device in the embodiment shown in FIG. 4, the transceiver 2101 may implement the transceiving operations performed by the terminal device in the embodiment shown in FIG. 4; the processor 2102 Other operations other than the transceiving operation performed by the terminal device in the embodiment shown in FIG. 4 may be implemented. For specific related descriptions, reference may be made to related descriptions in the embodiment shown in FIG. 4, which will not be described in detail here.

In another embodiment, when the apparatus implements the function of the network device in the embodiment shown in FIG. 4, the transceiver 2101 may implement the transceiving operation performed by the network device in the embodiment shown in FIG. 4; processor 2102 can implement other operations performed by the network device in the embodiment shown in FIG. 4 except for the transceiving operation. For specific related descriptions, reference may be made to related descriptions in the embodiment shown in FIG. 4, which will not be described in detail here.

In another embodiment, when the apparatus implements the functions of the terminal device in the embodiment shown in FIG. 5, the transceiver 2101 may implement the transceiving operations performed by the terminal device in the embodiment shown in FIG. 5; processor 2102 can implement other operations performed by the terminal device in the embodiment shown in FIG. 5 except for the transceiving operation. For specific related descriptions, reference may be made to related descriptions in the embodiment shown in FIG. 5, which will not be described in detail here.

In another embodiment, when the apparatus implements the function of the network device in the embodiment shown in FIG. 5, the transceiver 2101 can implement the transceiving operation performed by the network device in the embodiment shown in FIG. 5; processor 2102 may implement other operations performed by the network device in the embodiment shown in FIG. 5 except for the transceiving operation. For specific related descriptions, reference may be made to related descriptions in the embodiment shown in FIG. 5, which will not be described in detail here.

In another embodiment, when the apparatus implements the functions of the terminal device in the embodiment shown in FIG. 19, the transceiver 2101 may implement the transceiving operations performed by the terminal device in the embodiment shown in FIG. 19; processor 2102 can implement other operations performed by the terminal device in the embodiment shown in FIG. 19 except for the transceiving operation. For specific related descriptions, reference may be made to the related descriptions in the embodiment shown in FIG. 19, which will not be described in detail here.

In another embodiment, when the apparatus implements the function of the network device in the embodiment shown in FIG. 19, the transceiver 2101 may implement the transceiving operation performed by the network device in the embodiment shown in FIG. 19; processor 2102 can implement other operations performed by the network device in the embodiment shown in FIG. 19 except for the transceiving operation. For specific related descriptions, reference may be made to the related descriptions in the embodiment shown in FIG. 19, which will not be described in detail here.

In combination with the above, this application provides the following embodiments, and the numbering of the following embodiments does not necessarily need to follow the numbering sequence of the previous embodiments:

Embodiment 1. A method for monitoring PDCCH, which includes:

Receive first indication information from a network device, where the first indication information is used to instruct the terminal device not to monitor the PDCCH carrying the downlink control information DCI in a specific format; the DCI in the specific format is part of the DCI in all current DCI formats ；

According to the first indication information, it is determined not to monitor the PDCCH carrying the DCI of the specific format.

Embodiment 2. An indication method for PDCCH monitoring, which includes:

Generating first indication information, where the first indication information is used to instruct the terminal device not to monitor the PDCCH carrying the downlink control information DCI of a specific format; the DCI of the specific format is part of the DCI of all current DCI formats;

Sending the first indication information to the terminal device.

Embodiment 3. The method according to embodiment 1 or 2, wherein the specific format does not include at least one of the following: format 2_0, format 2_2, format 2_3.

Embodiment 4. The method according to any one of the embodiments 1 to 3, wherein the specific format is at least one of the following: format 0_0, format 0_1, format 0_2, format 1_0, format 1_1, format 1_2.

Embodiment 5. A method for monitoring PDCCH, which includes:

Receiving first indication information from the network device, where the first indication information is used to instruct the terminal device to monitor the PDCCH mode;

A manner of monitoring the PDCCH in a first time interval is determined according to the first indication information, where the first time interval is determined according to a monitoring period of the first indication information.

Embodiment 6. A method for monitoring PDCCH, which includes:

Generating first indication information, where the first indication information is used to indicate the manner in which the terminal device monitors the PDCCH;

Sending the first indication information to the terminal device.

Embodiment 7. The method according to embodiment 5 or 6, wherein the way of monitoring PDCCH includes at least one of the following:

Whether to monitor PDCCH, whether to monitor PDCCH in the first time interval, whether to monitor PDCCH in sub-time intervals within the first time interval, monitor or not monitor PDCCH periodic switching, terminal device information, time resource information, frequency domain resource information Or whether CSI measurement is required.

Embodiment 8. The method according to any one of embodiments 5-7, wherein the first indication information is located in a first time slot, and the start time of the first time interval is the first time slot , Or the start time of the first time interval is the next time slot of the first time slot, or the start time of the first time interval is the first indication information in the first time slot The moment after the end of the transmission; or,

The first indication information is located in the first symbol in the first time slot, and the start time of the first time interval is the next symbol of the first symbol.

Embodiment 9. The method according to embodiment 8, wherein the first indication information is located in a first search space, and the end time of the first time interval is the end time of the previous time slot of the second time slot, The second time slot is the next R monitoring moments in the first search space after the first time slot, and R is an integer greater than or equal to 1.

Embodiment 10: The method according to any one of the embodiments 5 to 9, wherein the first indication information is indicated by one bit, and when the bit is the first value, the first indication information indicates no Monitor the PDCCH; when the bit is the second value, the first indication information indicates to monitor the PDCCH.

Embodiment 11. The method according to any one of embodiments 5 to 9, wherein the first time interval includes N first sub-time intervals, and N is an integer greater than or equal to 2;

The first indication information is indicated by the N bits, and the n-th bit is used to indicate whether the terminal device monitors the PDCCH in the n-th first sub-time interval, where n is taken from 1 to An integer in the N.

Embodiment 12. The method according to any one of the embodiments 5 to 9, wherein the first time interval includes K second sub-time intervals, and K is an integer greater than or equal to 1;

The first indication information is indicated by M*K bits, where each bit indicates whether a group of terminal equipment monitors the PDCCH in a second sub-time interval, and the group of terminal equipment is in the M group of terminal equipment. M is an integer greater than or equal to 2; the terminal device is included in any group of terminal devices in the M group of terminal devices.

Embodiment 13. The method according to embodiment 7, wherein the first indication information includes at least two indication fields, and any one indication field is used to indicate one of the following: terminal device information, time resource information, and frequency domain Resource information or whether CSI measurement is required.

Embodiment 14. The method according to embodiment 13, wherein the at least two indication fields are two indication fields, the first indication field indicates the terminal device information, and the second indication field indicates the time resource Information; wherein, the terminal equipment information is information of the terminal equipment of group A, the time resource information is the information of whether the terminal equipment of the group A monitors the first time interval of the PDCCH, and the first time interval includes B A third sub-time interval; A is an integer greater than or equal to 1, and B is an integer greater than or equal to 1.

Embodiment 15. The method according to embodiment 14, wherein the first indication field includes A bits, and the A bits are respectively used to indicate the terminal equipment of the group A, and the second indication field Includes B bits, and the B bits are respectively used to indicate the B third sub-time intervals;

The a-th bit in the A bits and the b-th bit in the B bits together indicate whether the terminal equipment of the a-th group is in the b-th third sub-time interval in the first time interval The PDCCH is monitored, where a is an integer from 1 to A, and b is an integer from 1 to B.

Embodiment 16. The method according to embodiment 13, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the frequency domain Resource information; where the terminal device information is information of group C terminal devices, and the frequency domain resource information is information of group D carriers configured by each group of terminal devices in the group C terminal devices; C is greater than or equal to 1 An integer of, D is an integer greater than or equal to 1.

Embodiment 17. The method according to embodiment 16, wherein the first indication field includes C bits, and the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication field Includes D bits, and the D bits are respectively used to indicate the D group carriers;

The c-th bit in the C bits and the d-th bit in the D bits together indicate whether the terminal equipment of the c-th group monitors the PDCCH in the d-th group of the D-group carriers; wherein , C takes the integers from 1 to C, and d takes the integers from 1 to D.

Embodiment 18. The method according to embodiment 13, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the time Resource information; wherein the frequency domain resource information is information of the group E carriers configured by the terminal device, the time resource information is information about whether the terminal device monitors the PDCCH in the first time interval, and the first A time interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.

Embodiment 19. The method according to embodiment 18, wherein the first indication field includes E bits, the E bits are respectively used to indicate the E group of carriers, and the second indication field includes F bits, the F bits are respectively used to indicate the F fourth sub-time intervals;

The e-th bit in the E bits and the f-th bit in the F bits together indicate that the terminal device is in the e-th group of carriers in the f-th fourth in the first time interval. Whether to monitor the PDCCH in the sub-time interval; wherein, e is an integer from 1 to E, and f is an integer from 1 to F.

Embodiment 20. The method according to embodiment 13, wherein the at least two indicator fields are three indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the frequency domain Resource information, the third indication field indicates the time resource information; wherein, the terminal device information is information of the G group of terminal devices, and the frequency domain resource information is the configuration of each group of terminal devices in the G group of terminal devices The information of the carrier of the group H, the time resource information is the information of whether the terminal device of the group G monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is greater than or equal to 1 An integer of, G is an integer greater than or equal to 1, and I is an integer greater than or equal to 1.

Embodiment 21. The method according to embodiment 20, wherein the first indication field includes G bits, and the G bits are respectively used to indicate the G group terminal equipment, and the second indication field Includes H bits, the H bits are respectively used to indicate the group E carriers, the third indication field includes 1 bit, and the I bits indicate the I fifth sub-time intervals;

The g-th bit in the G bits, the h-th bit in the H bits, and the i-th bit in the I bit collectively indicate that the g-th group of terminal equipment is in the h-th group of carriers. Whether the PDCCH is monitored in the i-th fifth sub-time interval in the first time interval; wherein, g is an integer from 1 to G, h is an integer from 1 to H, and i is from 1 to Integer in I.

Embodiment 22. The method according to embodiment 13, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI is required. Measurement; wherein the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback.

Embodiment 23. The method according to embodiment 22, wherein the first indication field includes 1 bit, and the second indication field includes 1 bit;

1 bit of the first indication field indicates that the terminal device monitors or does not monitor the PDCCH in the first time interval by using different values; and, 1 bit of the second indication field indicates that the terminal device monitors or does not monitor the PDCCH in the first time interval; The value indicates that the terminal device performs CSI measurement and feedback or does not perform CSI measurement and feedback.

Embodiment 24. The method according to embodiment 13, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI is required. Measurement; wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and the need to perform CSI measurement is the Whether the terminal device performs CSI measurement and feedback; J is an integer greater than or equal to 1.

Embodiment 25. The method according to embodiment 24, wherein the first indication field includes J bits, and the J bits are respectively used to indicate the J sixth sub-time intervals, and the second Each indicator field includes 1 bit;

The j-th bit of the J bits and 1 bit of the second indicator field together indicate whether the terminal device monitors the PDCCH in the j-th sixth sub-time interval of the first time interval And whether to perform CSI measurement and feedback; where j is an integer from 1 to J.

Embodiment 26. The method according to any one of embodiments 5-25, wherein the first indication information is sent through first downlink control information DCI, wherein the format of the first DCI is format 2_0, format 2_2, format 2_3.

Embodiment 27. The method of embodiment 26, wherein the first indication information is included in the first field of the first DCI;

Wherein, when the format of the first DCI is format 2_0, the first field is the next field of the slot structure indication information field in the first DCI; or, the format of the first DCI is format 2_2 or In the format 2_3, the first field is the next field of the transmission power control TPC indication information field in the first DCI; or, when the format of the first DCI is format 2_2 or format 2_3, the first field Is the next field of the TPC indication information field for the terminal device.

Embodiment 28. A method for monitoring PDCCH, including:

Receive first indication information from a network device, where the first indication information includes at least two indication fields, and any one of the indication fields is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information, or whether it is needed Perform CSI measurement;

Perform corresponding operations according to the instructions of the at least two indication fields of the first indication information.

Embodiment 29. A method for monitoring physical downlink control channel PDCCH, which includes:

Generating first indication information, where the first indication information includes at least two indication fields, and any one of the indication fields is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information, or whether CSI measurement is required;

Sending the first indication information to the terminal device.

Embodiment 30. The method according to embodiment 28 or 29, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the Time resource information; wherein the terminal equipment information is information of the terminal equipment of group A, and the time resource information is the information of whether the terminal equipment of group A monitors the first time interval of the PDCCH, and the first time interval includes B A third sub-time interval; A is an integer greater than or equal to 1, and B is an integer greater than or equal to 1.

Embodiment 31. The method according to embodiment 30, wherein the first indication field includes A bits, and the A bits are respectively used to indicate the terminal equipment of the group A, and the second indication field Includes B bits, and the B bits are respectively used to indicate the B third sub-time intervals;

Embodiment 32. The method according to embodiment 28 or 29, wherein the at least two indication fields are two indication fields, the first indication field indicates the terminal device information, and the second indication field indicates the Frequency domain resource information; wherein, the terminal equipment information is information of group C terminal equipment, and the frequency domain resource information is information of group D carriers configured by each group of terminal equipment in the group C terminal equipment; C is greater than or An integer equal to 1, and D is an integer greater than or equal to 1.

Embodiment 33. The method according to embodiment 32, wherein the first indication field includes C bits, and the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication field Includes D bits, and the D bits are respectively used to indicate the D group carriers;

Embodiment 34. The method according to embodiment 28 or 29, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the frequency domain resource information. The time resource information; wherein the frequency domain resource information is information of the group E carrier configured by the terminal device, and the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH. A time interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.

Embodiment 35. The method according to embodiment 34, wherein the first indication field includes E bits, the E bits are respectively used to indicate the E group of carriers, and the second indication field includes F bits, the F bits are respectively used to indicate the F fourth sub-time intervals;

Embodiment 36. The method according to embodiment 28 or 29, wherein the at least two indication fields are three indication fields, the first indication field indicates the terminal device information, and the second indication field indicates the Frequency domain resource information, the third indication field indicates the time resource information; wherein, the terminal equipment information is information of the G group of terminal equipment, and the frequency domain resource information is each group of terminal equipment in the G group of terminal equipment Information about the configured group H carriers, the time resource information is information about whether the terminal device of the G group monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is greater than or An integer equal to 1, G is an integer greater than or equal to 1, and I is an integer greater than or equal to 1.

Embodiment 37. The method according to embodiment 36, wherein the first indication field includes G bits, and the G bits are respectively used to indicate the G group terminal equipment, and the second indication field Includes H bits, the H bits are respectively used to indicate the group E carriers, the third indication field includes 1 bit, and the I bits indicate the I fifth sub-time intervals;

Embodiment 38. The method according to embodiment 28 or 29, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it is required CSI measurement is performed; wherein the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback.

Embodiment 39. The method of embodiment 38, wherein the first indication field includes 1 bit, and the second indication field includes 1 bit;

Embodiment 40. The method according to embodiment 28 or 29, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it is required Perform CSI measurement; wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and whether CSI measurement needs to be performed is Whether the terminal device performs CSI measurement and feedback; J is an integer greater than or equal to 1.

Embodiment 41. The method according to embodiment 40, wherein the first indication field includes J bits, and the J bits are used to indicate the J sixth sub-time intervals, and the second Each indicator field includes 1 bit;

Embodiment 42: The method according to any one of embodiments 28 to 41, wherein the first indication information is sent through first downlink control information DCI, wherein the format of the first DCI is format 2_0, Format 2_2, format 2_3.

Embodiment 43. The method of embodiment 42, wherein the first indication information is included in the first field of the first DCI;

Wherein, when the format of the first DCI is format 2_0, the first field is the next field of the slot structure indication information field in the first DCI; or, the format of the first DCI is format 2_2 or In the format 2_3, the first field is the next field of the transmission power control TPC indication information field in the first DCI.

Embodiment 44. A terminal device, including:

The transceiver unit is configured to receive first indication information from a network device, where the first indication information is used to instruct the terminal device not to monitor the PDCCH carrying the downlink control information DCI in a specific format; the DCI in the specific format is of all current formats Part of DCI in DCI;

The processing unit is configured to determine, according to the first indication information, that the PDCCH carrying the DCI of the specific format is not to be monitored.

Embodiment 45. A network device, including:

The processing unit is configured to generate first indication information, where the first indication information is used to instruct the terminal equipment not to monitor the PDCCH carrying the downlink control information DCI of a specific format; the DCI of the specific format is part of the DCI of all current formats DCI;

The transceiver unit is configured to send the first indication information to the terminal device.

Embodiment 46. The device according to embodiment 44 or 45, wherein the specific format does not include at least one of the following: format 2_0, format 2_2, format 2_3.

Embodiment 47. The device according to any one of embodiments 44 to 46, wherein the specific format is at least one of the following: format 0_0, format 0_1, format 0_2, format 1_0, format 1_1, format 1_2.

Embodiment 48. A terminal device, including:

A transceiving unit, configured to receive first indication information from a network device, where the first indication information is used to indicate a manner in which the terminal device monitors the PDCCH;

The processing unit is configured to determine a manner of monitoring the PDCCH in a first time interval according to the first indication information, where the first time interval is determined according to the monitoring period of the first indication information.

Embodiment 49. A network device, including:

A processing unit, configured to generate first indication information, where the first indication information is used to instruct the terminal device to monitor the PDCCH mode;

Embodiment 50. The device according to embodiment 48 or 49, wherein the manner for monitoring PDCCH includes at least one of the following:

Embodiment 51. The device according to any one of the embodiments 48-50, wherein the first indication information is located in a first time slot, and the start time of the first time interval is the first time slot , Or the start time of the first time interval is the next time slot of the first time slot, or the start time of the first time interval is the first indication information in the first time slot The moment after the end of the transmission; or,

Embodiment 52. The device according to embodiment 51, wherein the first indication information is located in a first search space, and the end time of the first time interval is the end time of the previous time slot of the second time slot, The second time slot is the next R monitoring moments in the first search space after the first time slot, and R is an integer greater than or equal to 1.

Embodiment 53: The device according to any one of the embodiments 48 to 52, wherein the first indication information is indicated by one bit, and when the bit is the first value, the first indication information indicates not Monitor the PDCCH; when the bit is the second value, the first indication information indicates to monitor the PDCCH.

Embodiment 54: The device according to any one of embodiments 48 to 52, wherein the first time interval includes N first sub-time intervals, and N is an integer greater than or equal to 2;

Embodiment 55. The device according to any one of embodiments 48 to 52, wherein the first time interval includes K second sub-time intervals, and K is an integer greater than or equal to 1;

Embodiment 56: The device according to embodiment 50, wherein the first indication information includes at least two indication fields, and any one indication field is used to indicate one of the following: terminal device information, time resource information, and frequency domain Resource information or whether CSI measurement is required.

Embodiment 57. The device according to embodiment 56, wherein the at least two indication fields are two indication fields, the first indication field indicates the terminal device information, and the second indication field indicates the time resource Information; wherein, the terminal equipment information is information of the terminal equipment of group A, the time resource information is the information of whether the terminal equipment of the group A monitors the first time interval of the PDCCH, and the first time interval includes B A third sub-time interval; A is an integer greater than or equal to 1, and B is an integer greater than or equal to 1.

Embodiment 58. The device according to embodiment 57, wherein the first indication field includes A bits, and the A bits are respectively used to indicate the terminal equipment of the group A, and the second indication field Includes B bits, and the B bits are respectively used to indicate the B third sub-time intervals;

Embodiment 59. The device according to embodiment 56, wherein the at least two indication domains are two indication domains, the first indication domain indicates the terminal device information, and the second indication domain indicates the frequency domain Resource information; where the terminal device information is information of group C terminal devices, and the frequency domain resource information is information of group D carriers configured by each group of terminal devices in the group C terminal devices; C is greater than or equal to 1 An integer of, D is an integer greater than or equal to 1.

Embodiment 60. The device according to embodiment 59, wherein the first indication field includes C bits, and the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication field Includes D bits, and the D bits are respectively used to indicate the D group carriers;

Embodiment 61. The device according to embodiment 56, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the time Resource information; wherein the frequency domain resource information is information of the group E carriers configured by the terminal device, the time resource information is information about whether the terminal device monitors the PDCCH in the first time interval, and the first A time interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.

Embodiment 62. The device according to embodiment 61, wherein the first indication field includes E bits, the E bits are respectively used to indicate the E group of carriers, and the second indication field includes F bits, the F bits are respectively used to indicate the F fourth sub-time intervals;

Embodiment 63. The device according to embodiment 56, wherein the at least two indication fields are three indication fields, the first indication field indicates the terminal device information, and the second indication field indicates the frequency domain Resource information, the third indication field indicates the time resource information; wherein, the terminal device information is information of the G group of terminal devices, and the frequency domain resource information is the configuration of each group of terminal devices in the G group of terminal devices The information of the carrier of the group H, the time resource information is the information of whether the terminal device of the group G monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is greater than or equal to 1 An integer of, G is an integer greater than or equal to 1, and I is an integer greater than or equal to 1.

Embodiment 64. The device according to embodiment 63, wherein the first indication field includes G bits, and the G bits are respectively used to indicate the G group terminal equipment, and the second indication field Includes H bits, the H bits are respectively used to indicate the group E carriers, the third indication field includes 1 bit, and the I bits indicate the I fifth sub-time intervals;

Embodiment 65. The device according to embodiment 56, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI is required. Measurement; wherein the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback.

Embodiment 66. The device according to embodiment 65, wherein the first indication field includes 1 bit, and the second indication field includes 1 bit;

Embodiment 67. The device according to embodiment 56, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI is required. Measurement; wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and the need to perform CSI measurement is the Whether the terminal device performs CSI measurement and feedback; J is an integer greater than or equal to 1.

Embodiment 68. The device according to embodiment 67, wherein the first indication field includes J bits, and the J bits are used to indicate the J sixth sub-time intervals, and the second Each indicator field includes 1 bit;

Embodiment 69. The device according to any one of embodiments 48-68, wherein the first indication information is sent through first downlink control information DCI, wherein the format of the first DCI is format 2_0, format 2_2, format 2_3.

Embodiment 70. The device according to embodiment 69, wherein the first indication information is included in the first field of the first DCI;

Embodiment 71. A terminal device, including:

The transceiver unit is configured to receive first indication information from a network device, where the first indication information includes at least two indication fields, and any one of the indication fields is used to indicate one of the following: terminal device information, time resource information, and frequency domain Resource information or whether CSI measurement is required;

The processing unit is configured to perform corresponding operations according to the instructions of at least two indication fields of the first indication information.

Embodiment 72. A network device, including:

The processing unit is configured to generate first indication information, where the first indication information includes at least two indication fields, and any one of the indication fields is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information, or whether Need to perform CSI measurement;

Embodiment 73. The device according to embodiment 71 or 72, wherein the at least two indication fields are two indication fields, the first indication field indicates the terminal device information, and the second indication field indicates the Time resource information; wherein the terminal equipment information is information of the terminal equipment of group A, and the time resource information is the information of whether the terminal equipment of group A monitors the first time interval of the PDCCH, and the first time interval includes B A third sub-time interval; A is an integer greater than or equal to 1, and B is an integer greater than or equal to 1.

Embodiment 74. The device according to embodiment 73, wherein the first indication field includes A bits, and the A bits are respectively used to indicate the terminal equipment of the group A, and the second indication field Includes B bits, and the B bits are respectively used to indicate the B third sub-time intervals;

Embodiment 75. The device according to embodiment 71 or 72, wherein the at least two indication domains are two indication domains, the first indication domain indicates the terminal device information, and the second indication domain indicates the Frequency domain resource information; wherein, the terminal equipment information is information of group C terminal equipment, and the frequency domain resource information is information of group D carriers configured by each group of terminal equipment in the group C terminal equipment; C is greater than or An integer equal to 1, and D is an integer greater than or equal to 1.

Embodiment 76. The device according to embodiment 75, wherein the first indication field includes C bits, and the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication field Includes D bits, and the D bits are respectively used to indicate the D group carriers;

Embodiment 77. The device according to embodiment 71 or 72, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the frequency domain resource information. The time resource information; wherein the frequency domain resource information is information of the group E carrier configured by the terminal device, and the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH. A time interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.

Embodiment 78. The device according to embodiment 77, wherein the first indication field includes E bits, the E bits are respectively used to indicate the E group of carriers, and the second indication field includes F bits, the F bits are respectively used to indicate the F fourth sub-time intervals;

Embodiment 79. The device according to embodiment 71 or 72, wherein the at least two indication fields are three indication fields, the first indication field indicates the terminal device information, and the second indication field indicates the Frequency domain resource information, the third indication field indicates the time resource information; wherein, the terminal equipment information is information of the G group of terminal equipment, and the frequency domain resource information is each group of terminal equipment in the G group of terminal equipment Information about the configured group H carriers, the time resource information is information about whether the terminal device of the G group monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is greater than or An integer equal to 1, G is an integer greater than or equal to 1, and I is an integer greater than or equal to 1.

Embodiment 80. The device according to embodiment 79, wherein the first indication field includes G bits, and the G bits are respectively used to indicate the G group terminal equipment, and the second indication field Includes H bits, the H bits are respectively used to indicate the group E carriers, the third indication field includes 1 bit, and the I bits indicate the I fifth sub-time intervals;

Embodiment 81. The device according to embodiment 71 or 72, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it is required Perform CSI measurement; wherein the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback.

Embodiment 82. The device according to embodiment 81, wherein the first indication field includes 1 bit, and the second indication field includes 1 bit;

Embodiment 83. The device according to embodiment 71 or 72, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it is required Perform CSI measurement; wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and whether CSI measurement needs to be performed is Whether the terminal device performs CSI measurement and feedback; J is an integer greater than or equal to 1.

Embodiment 84. The device according to embodiment 83, wherein the first indication field includes J bits, and the J bits are used to indicate the J sixth sub-time intervals, and the second Each indicator field includes 1 bit;

Embodiment 85. The device according to any one of the embodiments 71-84, wherein the first indication information is sent through first downlink control information DCI, wherein the format of the first DCI is format 2_0, Format 2_2, format 2_3.

Embodiment 86. The device of embodiment 85, wherein the first indication information is included in the first field of the first DCI;

Embodiment 87. A terminal device, including:

The memory is used to store computer instructions;

The transceiver is used to send and receive data or information;

The processor is coupled with the memory, and is used to call the computer instructions in the memory to make the terminal device execute the method described in any one of the foregoing embodiment 1, embodiment 3, and 4.

Embodiment 88. A network device, including:

The memory is used to store computer instructions;

The transceiver is used to send and receive data or information;

The processor is coupled with the memory, and is configured to invoke the computer instructions in the memory to make the network device execute the method described in any one of the foregoing embodiments 2-4.

Embodiment 89. A terminal device, including:

The memory is used to store computer instructions;

The transceiver is used to send and receive data or information;

The processor is coupled with the memory, and is used to call the computer instructions in the memory to make the terminal device execute the method described in any one of Embodiment 5 and Embodiments 7-27.

Embodiment 90. A second device, including:

The memory is used to store computer instructions;

The transceiver is used to send and receive data or information;

The processor is coupled with the memory, and is configured to call the computer instructions in the memory to make the network device execute the method described in any one of the above embodiments 6-27.

Embodiment 91. A terminal device, including:

The memory is used to store computer instructions;

The transceiver is used to send and receive data or information;

The processor is coupled with the memory, and is used to call the computer instructions in the memory to make the terminal device execute the method described in any one of the above-mentioned Embodiment 28 and Embodiments 30-43.

Embodiment 92. A network device, including:

The memory is used to store computer instructions;

The transceiver is used to send and receive data or information;

The processor is coupled with the memory, and is configured to invoke the computer instructions in the memory to make the network device execute the method described in any one of the foregoing embodiments 29-43.

Embodiment 93. A communication system, including:

The network device is configured to generate first indication information, the first indication information is used to instruct the terminal device not to monitor the PDCCH carrying the downlink control information DCI in a specific format; the DCI in the specific format is part of all DCIs in the current format DCI; and

Sending the first indication information to the terminal device;

The terminal device is configured to determine, according to the first indication information, that the PDCCH carrying the DCI of the specific format is not to be monitored.

Embodiment 94. The communication system according to embodiment 93, wherein the specific format does not include at least one of the following: format 2_0, format 2_2, format 2_3.

Embodiment 95. The communication system according to any one of Embodiments 1 to 3, wherein the specific format is at least one of the following: format 0_0, format 0_1, format 0_2, format 1_0, format 1_1, format 1_2.

Embodiment 96. A communication system, including:

The network device is configured to generate first indication information, where the first indication information is used to indicate the manner in which the terminal device monitors the PDCCH; and

Sending the first indication information to the terminal device;

The terminal device is configured to determine a manner of monitoring the PDCCH in a first time interval according to the first indication information, where the first time interval is determined according to the monitoring period of the first indication information.

Embodiment 97. The communication system according to embodiment 96, wherein the method for monitoring PDCCH includes at least one of the following:

Embodiment 98. The communication system according to any one of the embodiments 96-97, wherein the first indication information is located in a first time slot, and the start time of the first time interval is the first time Slot, or the start time of the first time interval is the next time slot of the first time slot, or the start time of the first time interval is the first indication in the first time slot The time immediately after the end of the information transmission; or,

Embodiment 99. The communication system according to embodiment 98, wherein the first indication information is located in the first search space, and the end time of the first time interval is the end time of the previous time slot of the second time slot The second time slot is the next R monitoring moments of the first search space after the first time slot, and R is an integer greater than or equal to 1.

Embodiment 100. The communication system according to any one of the embodiments 96 to 99, wherein the first indication information is indicated by one bit, and when the bit is the first value, the first indication information indicates The PDCCH is not monitored; when the bit is the second value, the first indication information indicates that the PDCCH is monitored.

Embodiment 101: The communication system according to any one of the embodiments 96 to 99, wherein the first time interval includes N first sub-time intervals, and N is an integer greater than or equal to 2;

Embodiment 102. The communication system according to any one of the embodiments 96 to 99, wherein the first time interval includes K second sub-time intervals, and K is an integer greater than or equal to 1;

Embodiment 103. The communication system according to embodiment 97, wherein the first indication information includes at least two indication fields, and any one indication field is used to indicate one of the following: terminal device information, time resource information, frequency Domain resource information or whether CSI measurement is required.

Embodiment 104. The communication system according to embodiment 103, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the time Resource information; wherein the terminal equipment information is information of the terminal equipment of group A, and the time resource information is the information of whether the terminal equipment of group A monitors the first time interval of the PDCCH, and the first time interval includes B third sub-time intervals; A is an integer greater than or equal to 1, and B is an integer greater than or equal to 1.

Embodiment 105. The communication system according to embodiment 104, wherein the first indication field includes A bits, and the A bits are respectively used to indicate the terminal equipment of the group A, and the second indication The field includes B bits, and the B bits are respectively used to indicate the B third sub-time intervals;

Embodiment 106. The communication system according to embodiment 103, wherein the at least two indication domains are two indication domains, the first indication domain indicates the terminal device information, and the second indication domain indicates the frequency Domain resource information; where the terminal device information is information of group C terminal devices, and the frequency domain resource information is information of group D carriers configured by each group of terminal devices in the group C terminal devices; C is greater than or equal to An integer of 1, and D is an integer greater than or equal to 1.

Embodiment 107. The communication system according to embodiment 106, wherein the first indication field includes C bits, and the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication The field includes D bits, and the D bits are respectively used to indicate the group D carriers;

Embodiment 108. The communication system according to embodiment 103, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the frequency domain resource information. Time resource information; wherein the frequency domain resource information is information of the group E carrier configured by the terminal device, and the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the The first time interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.

Embodiment 109. The communication system according to embodiment 108, wherein the first indication field includes E bits, the E bits are respectively used to indicate the E group of carriers, and the second indication field Includes F bits, and the F bits are respectively used to indicate the F fourth sub-time intervals;

Embodiment 110. The communication system according to embodiment 103, wherein the at least two indication domains are three indication domains, the first indication domain indicates the terminal device information, and the second indication domain indicates the frequency Domain resource information, the third indication field indicates the time resource information; wherein, the terminal device information is information of the G group of terminal devices, and the frequency domain resource information is the configuration of each group of terminal devices in the G group of terminal devices The information of the carrier of the group H of the group G, the time resource information is the information of whether the terminal device of the group G monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is greater than or equal to An integer of 1, G is an integer greater than or equal to 1, and I is an integer greater than or equal to 1.

Embodiment 111. The communication system according to embodiment 110, wherein the first indication field includes G bits, and the G bits are respectively used to indicate the G group terminal equipment, and the second indication The field includes H bits, the H bits are respectively used to indicate the group E carriers, the third indication field includes 1 bit, and the I bits indicate the I fifth sub-time intervals respectively;

Embodiment 112. The communication system according to embodiment 103, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it needs to be performed. CSI measurement; wherein the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback.

Embodiment 113. The communication system according to embodiment 112, wherein the first indication field includes 1 bit, and the second indication field includes 1 bit;

Embodiment 114. The communication system according to embodiment 103, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it needs to be performed. CSI measurement; wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and whether the CSI measurement needs to be performed is all Whether the terminal device performs CSI measurement and feedback; J is an integer greater than or equal to 1.

Embodiment 115. The communication system according to embodiment 114, wherein the first indication field includes J bits, and the J bits are respectively used to indicate the J sixth sub-time intervals, and the first indication field The two indicator fields include 1 bit;

Embodiment 116. The communication system according to any one of embodiments 96-115, wherein the first indication information is sent through first downlink control information DCI, wherein the format of the first DCI is format 2_0, Format 2_2, format 2_3.

Embodiment 117. The communication system according to embodiment 116, wherein the first indication information is included in the first field of the first DCI;

Embodiment 118. A communication system, including:

The network device is configured to generate first indication information, where the first indication information includes at least two indication fields, and any one of the indication fields is used to indicate one of the following: terminal device information, time resource information, frequency domain resource information, or whether CSI measurement is required; and

Sending the first indication information to the terminal device;

The terminal device is configured to perform corresponding operations according to the instructions of the at least two indication fields of the first indication information.

Embodiment 119. The communication system according to embodiment 118, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the time Resource information; wherein the terminal equipment information is information of the terminal equipment of the group A, and the time resource information is information about whether the terminal equipment of the group A is monitoring the first time interval of the PDCCH, and the first time interval includes B The third sub-time interval; A is an integer greater than or equal to 1, and B is an integer greater than or equal to 1.

Embodiment 120. The communication system according to embodiment 119, wherein the first indication field includes A bits, and the A bits are respectively used to indicate the terminal equipment of the group A, and the second indication The field includes B bits, and the B bits are respectively used to indicate the B third sub-time intervals;

Embodiment 121. The communication system according to embodiment 118, wherein the at least two indication domains are two indication domains, the first indication domain indicates the terminal device information, and the second indication domain indicates the frequency Domain resource information; where the terminal device information is information of group C terminal devices, and the frequency domain resource information is information of group D carriers configured by each group of terminal devices in the group C terminal devices; C is greater than or equal to An integer of 1, and D is an integer greater than or equal to 1.

Embodiment 122. The communication system according to embodiment 121, wherein the first indication field includes C bits, and the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication The field includes D bits, and the D bits are respectively used to indicate the group D carriers;

Embodiment 123. The communication system according to embodiment 118, wherein the at least two indication domains are two indication domains, the first indication domain indicates the frequency domain resource information, and the second indication domain indicates the frequency domain resource information. Time resource information; wherein the frequency domain resource information is information of the group E carrier configured by the terminal device, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the first The time interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.

Embodiment 124. The communication system according to embodiment 123, wherein the first indication field includes E bits, the E bits are respectively used to indicate the E group of carriers, and the second indication field Includes F bits, and the F bits are respectively used to indicate the F fourth sub-time intervals;

Embodiment 125. The communication system according to embodiment 118, wherein the at least two indicator fields are three indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the frequency Domain resource information, the third indication field indicates the time resource information; wherein, the terminal device information is information of the G group of terminal devices, and the frequency domain resource information is the configuration of each group of terminal devices in the G group of terminal devices The information of the carrier of the group H of the group G, the time resource information is the information of whether the terminal device of the group G monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is greater than or equal to An integer of 1, G is an integer greater than or equal to 1, and I is an integer greater than or equal to 1.

Embodiment 126. The communication system according to embodiment 125, wherein the first indication field includes G bits, and the G bits are respectively used to indicate the G group terminal equipment, and the second indication The field includes H bits, the H bits are respectively used to indicate the group E carriers, the third indication field includes 1 bit, and the I bits indicate the I fifth sub-time intervals respectively;

Embodiment 127. The communication system according to embodiment 118, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it needs to be performed. CSI measurement; wherein the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback.

Embodiment 128. The communication system according to embodiment 127, wherein the first indication field includes 1 bit, and the second indication field includes 1 bit;

Embodiment 129. The communication system according to embodiment 118, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether it needs to be performed CSI measurement; wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and whether the CSI measurement needs to be performed is all Whether the terminal device performs CSI measurement and feedback; J is an integer greater than or equal to 1.

Embodiment 130. The communication system according to embodiment 129, wherein the first indication field includes J bits, and the J bits are respectively used to indicate the J sixth sub-time intervals, and the first indication field The two indicator fields include 1 bit;

Embodiment 131. The communication system according to any one of the embodiments 118-130, wherein the first indication information is sent through first downlink control information DCI, wherein the format of the first DCI is format 2_0 , Format 2_2, format 2_3.

Embodiment 132. The communication system according to embodiment 131, wherein the first indication information is included in the first field of the first DCI;

Embodiment 133. A chip, wherein the chip is coupled with a memory, and is used to read and execute the program instructions stored in the memory, so as to implement any one of Embodiments 1-4, 5-27, or 28-43 The method described in the embodiment.

Embodiment 134. A computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, and when called by the computer, the computer-executable instructions are used to cause the computer to execute the foregoing The method described in any one of embodiments 1-4, 5-27, or 28-43.

Embodiment 135. A computer program product containing instructions, wherein when it runs on a computer, the computer is caused to execute the method described in any one of the foregoing embodiments 1-4, 5-27, or 28-43.

Embodiment 136: A communication device includes multiple devices, and the multiple devices are used to implement the method in any one of the embodiments 1-43.

Those skilled in the art should understand that the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, this application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

This application is described with reference to flowcharts and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of this application. It should be understood that each process and/or block in the flowchart and/or block diagram, and the combination of processes and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing equipment are used to generate It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device. The device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment. The instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present application without departing from the scope of the embodiments of the present application. In this way, if these modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

A method for monitoring physical downlink control channel PDCCH, which is characterized in that it comprises:

Receiving first indication information from the network device, where the first indication information is used to instruct the terminal device to monitor the PDCCH mode;

A manner of monitoring the PDCCH in a first time interval is determined according to the first indication information, where the first time interval is determined according to a monitoring period of the first indication information.
A method for monitoring physical downlink control channel PDCCH, which is characterized in that it comprises:

Generating first indication information, where the first indication information is used to indicate the manner in which the terminal device monitors the PDCCH;

Sending the first indication information to the terminal device.
The method according to claim 1 or 2, wherein the method for monitoring the PDCCH includes at least one of the following:

Whether to monitor PDCCH, whether to monitor PDCCH in the first time interval, whether to monitor PDCCH in sub-time intervals within the first time interval, monitor or not monitor PDCCH periodic switching, terminal device information, time resource information, frequency domain resource information Or whether CSI measurement is required.
The method according to any one of claims 1 to 3, wherein the first indication information is located in a first time slot, and the start time of the first time interval is the first time slot, or The start time of the first time interval is the next time slot of the first time slot, or the start time of the first time interval is the end time of the first indication information transmission in the first time slot The next moment of; or,

The first indication information is located in the first symbol in the first time slot, and the start time of the first time interval is the next symbol of the first symbol.
The method according to claim 4, wherein the first indication information is located in a first search space, the end time of the first time interval is the end time of the previous time slot of the second time slot, and the The second time slot is the next R monitoring moments in the first search space after the first time slot, and R is an integer greater than or equal to 1.
The method according to any one of claims 1-5, wherein:

The first indication information is indicated by one bit. When the bit has a first value, the first indication information indicates not to monitor the PDCCH; when the bit has a second value, the first indication information Indicates to monitor the PDCCH.
The method according to any one of claims 1 to 5, wherein the first time interval includes N first sub-time intervals, and N is an integer greater than or equal to 2;

The first indication information is indicated by the N bits, and the n-th bit is used to indicate whether the terminal device monitors the PDCCH in the n-th first sub-time interval, where n is taken from 1 to An integer in the N.
The method according to any one of claims 1 to 5, wherein the first time interval includes K second sub-time intervals, and K is an integer greater than or equal to 1;

The first indication information is indicated by M*K bits, where each bit indicates whether a group of terminal equipment monitors the PDCCH in a second sub-time interval, and the group of terminal equipment is in the M group of terminal equipment. M is an integer greater than or equal to 2; the terminal device is included in any group of terminal devices in the M group of terminal devices.
The method according to claim 3, wherein the first indication information includes at least two indication fields, and any indication field is used to indicate one of the following: terminal device information, time resource information, and frequency domain resource information Or whether CSI measurement is required.
The method according to claim 9, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the time resource information; Wherein, the terminal equipment information is the information of the terminal equipment of group A, the time resource information is the information of whether the terminal equipment of the group A monitors the first time interval of the PDCCH, and the first time interval includes the B first time interval. Three sub-time intervals; A is an integer greater than or equal to 1, and B is an integer greater than or equal to 1.
The method according to claim 10, wherein the first indication field includes A bits, the A bits are respectively used to indicate the terminal equipment of the group A, and the second indication field includes B Bits, where the B bits are respectively used to indicate the B third sub-time intervals;

The a-th bit in the A bits and the b-th bit in the B bits indicate whether the terminal equipment of the a-th group monitors in the b-th third sub-time interval in the first time interval In the PDCCH, a is an integer from 1 to A, and b is an integer from 1 to B.
The method according to claim 9, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the frequency domain resource information Wherein, the terminal equipment information is the information of the C group terminal equipment, and the frequency domain resource information is the information of the D group carrier configured by each group of the terminal equipment in the C group terminal equipment; C is an integer greater than or equal to 1 , D is an integer greater than or equal to 1.
The method according to claim 12, wherein the first indication field includes C bits, the C bits are respectively used to indicate the terminal equipment of the group C, and the second indication field includes D Bits, the D bits are respectively used to indicate the D group carriers;

The c-th bit in the C bits and the d-th bit in the D bits indicate whether the terminal equipment of the c-th group monitors the PDCCH in the d-th group of the D-group carriers; wherein, c takes the integers from 1 to C, and d takes the integers from 1 to D.
The method according to claim 9, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the frequency domain resource information, and the second indicator field indicates the time resource information Wherein, the frequency domain resource information is the information of the group E carrier configured by the terminal device, the time resource information is the information of the first time interval of whether the terminal device monitors the PDCCH, the first time The interval includes F fourth sub-time intervals; E is an integer greater than or equal to 1, and F is an integer greater than or equal to 1.
The method according to claim 14, wherein the first indication field includes E bits, the E bits are respectively used to indicate the E group of carriers, and the second indication field includes F Bits, the F bits are respectively used to indicate the F fourth sub-time intervals;

The e-th bit in the E bits and the f-th bit in the F bits indicate the f-th fourth child in the first time interval when the terminal device is on the e-th group of carriers. Whether to monitor the PDCCH in the time interval; where e is an integer from 1 to E, and f is an integer from 1 to F.
The method according to claim 9, wherein the at least two indicator fields are three indicator fields, the first indicator field indicates the terminal device information, and the second indicator field indicates the frequency domain resource information , The third indication field indicates the time resource information; wherein, the terminal device information is the information of the G group of terminal devices, and the frequency domain resource information is the H group configured by each group of terminal devices in the G group of terminal devices Carrier information, the time resource information is information about whether the terminal equipment of the G group monitors the first time interval of the PDCCH, the first time interval includes one fifth sub-time interval; H is an integer greater than or equal to 1 , G is an integer greater than or equal to 1, and I is an integer greater than or equal to 1.
The method according to claim 16, wherein the first indication field includes G bits, the G bits are respectively used to indicate the G group terminal equipment, and the second indication field includes H Bits, the H bits are respectively used to indicate the group E carriers, the third indication field includes 1 bit, and the 1 bit respectively indicate the 1 fifth sub-time intervals;

The g-th bit in the G bits, the h-th bit in the H bits, and the i-th bit in the I bits indicate that the g-th group of terminal equipment is in the h-th group of carriers. Whether the PDCCH is monitored in the i-th fifth sub-time interval in the first time interval; where g is an integer from 1 to G, h is an integer from 1 to H, and i is from 1 to I Integer in.
The method according to claim 9, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI measurement is required; Wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, and the need to perform CSI measurement is whether the terminal device performs CSI measurement and feedback.
The method according to claim 18, wherein the first indicator field includes 1 bit, and the second indicator field includes 1 bit;

1 bit of the first indication field indicates that the terminal device monitors or does not monitor the PDCCH in the first time interval by using different values; and, 1 bit of the second indication field indicates that the terminal device monitors or does not monitor the PDCCH in the first time interval; The value indicates that the terminal device performs CSI measurement and feedback or does not perform CSI measurement and feedback.
The method according to claim 9, wherein the at least two indicator fields are two indicator fields, the first indicator field indicates the time resource information, and the second indicator field indicates whether CSI measurement is required; Wherein, the time resource information is information about whether the terminal device monitors the first time interval of the PDCCH, the first time interval includes J sixth sub-time intervals, and whether the CSI measurement needs to be performed is the terminal device Whether to perform CSI measurement and feedback; J is an integer greater than or equal to 1.
The method according to claim 20, wherein the first indication field includes J bits, and the J bits are respectively used to indicate the J sixth sub-time intervals, and the second indication The field includes 1 bit;

The jth bit of the J bits and 1 bit of the second indication field indicate whether the terminal device monitors the PDCCH in the jth sixth sub-time interval of the first time interval, and Whether to perform CSI measurement and feedback; where j is an integer from 1 to J.
The method according to any one of claims 1-21, wherein the first indication information is sent through first downlink control information DCI, wherein the format of the first DCI is format 2_0, format 2_2, and Format 2_3.
The method of claim 22, wherein the first indication information is included in the first field of the first DCI;

Wherein, when the format of the first DCI is format 2_0, the first field is the next field of the slot structure indication information field in the first DCI; or, the format of the first DCI is format 2_2 or In the format 2_3, the first field is the next field of the transmission power control TPC indication information field in the first DCI; or, when the format of the first DCI is format 2_2 or format 2_3, the first field Is the next field of the TPC indication information field for the terminal device.
A terminal device, which is characterized by comprising a memory, a processor and a transceiver, wherein:

The memory is used to store computer instructions;

The transceiver is used to receive and send information;

The processor is coupled with the memory, and is configured to invoke computer instructions in the memory to make the terminal device execute the method according to any one of claims 1, 3-23.
A network device, which is characterized by comprising a memory, a processor, and a transceiver, wherein:

The memory is used to store computer instructions;

The transceiver is used to receive and send information;

The processor, coupled with the memory, is configured to invoke computer instructions in the memory to cause the network device to execute the method according to any one of claims 2-23.
A computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to make the computer execute the above claims when called by the computer The method of any one of 1-23.
A chip, characterized in that the chip is coupled with a memory, and is used to read and execute program instructions stored in the memory, so as to implement the method according to any one of claims 1-23.