WO2024259604A1 - 信息指示方法和设备 - Google Patents
信息指示方法和设备 Download PDFInfo
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- WO2024259604A1 WO2024259604A1 PCT/CN2023/101537 CN2023101537W WO2024259604A1 WO 2024259604 A1 WO2024259604 A1 WO 2024259604A1 CN 2023101537 W CN2023101537 W CN 2023101537W WO 2024259604 A1 WO2024259604 A1 WO 2024259604A1
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- Prior art keywords
- time information
- time
- terminal device
- twt
- frame
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
- H04W74/0891—Non-scheduled access, e.g. ALOHA using a dedicated channel for access for synchronized access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
- H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present application relates to the field of communications, and more particularly, to an information indication method and device.
- the present application provides an information indication method, including:
- the network device indicates time information to the terminal device, and the time range corresponding to the time information is configured by the network device.
- the embodiment of the present application also provides an information indication method, including:
- the terminal device receives an indication from the network device regarding time information, and the time range corresponding to the time information is configured by the network device.
- the present application also provides a terminal device, including:
- the first receiving module is used to receive an indication from a network device regarding time information, where a time range corresponding to the time information is configured by the network device.
- the embodiment of the present application also provides a network device, including:
- the indication module is used to indicate time information to the terminal device, and the time range corresponding to the time information is configured by the network device.
- the embodiment of the present application also provides a communication device, including a processor, a memory and a transceiver.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory and control the transceiver so that the device executes the above method.
- the embodiment of the present application also provides a chip for implementing the above method.
- the chip includes: a processor, which is used to call and run a computer program from a memory, so that a device equipped with the chip executes the above method.
- the embodiment of the present application also provides a computer-readable storage medium for storing a computer program, which enables the device to execute the above method when the computer program is executed by the device.
- An embodiment of the present application also provides a computer program product, including computer program instructions, which enable a computer to execute the above method.
- the embodiment of the present application also provides a computer program, which, when executed on a computer, enables the computer to execute the above method.
- the terminal device can receive an indication of time information from the network device, and the time range corresponding to the time information can be configured by the network device; since the time range can be configured by the network device, the time range corresponding to the time information can match the continuous working time of the terminal device, and there is no need to use too long bits to indicate the time information, so the power consumption of the terminal device caused by receiving the time information can be reduced, thereby achieving energy saving.
- the solution proposed in the embodiment of the present application is particularly suitable for terminal devices such as zero-power terminals and IoT devices based on environmental energy.
- FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
- FIG. 2 is a schematic flowchart of an information indication method 200 according to an embodiment of the present application.
- FIG. 3 is a schematic flowchart of an information indication method 300 according to an embodiment of the present application.
- FIG4 is a schematic diagram showing that a time range corresponding to time information includes multiple beacon sending cycles in an information indication method according to an embodiment of the present application.
- Figure 5 is a schematic diagram of an information indication method according to an embodiment of the present application, in which the time range corresponding to the time information includes multiple TWT cycles.
- FIG6 is a schematic diagram showing that a time range corresponding to time information includes a RAW length in an information indication method according to an embodiment of the present application.
- FIG. 7 is an example of a method for indicating information according to an embodiment of the present application, in which the time range corresponding to the time information includes the maximum SP length. Intention one.
- FIG8 is a second schematic diagram showing that a time range corresponding to time information includes a maximum SP length in an information indication method according to an embodiment of the present application.
- FIG. 9 is a schematic structural diagram of a terminal device 900 according to an embodiment of the present application.
- FIG. 10 is a schematic diagram of the structure of a terminal device 1000 according to an embodiment of the present application.
- FIG. 11 is a schematic diagram of the structure of a network device 1100 according to an embodiment of the present application.
- FIG. 12 is a schematic diagram of the structure of a network device 1200 according to an embodiment of the present application.
- FIG. 13 is a schematic structural diagram of a communication device 1300 according to an embodiment of the present application.
- FIG. 14 is a schematic structural diagram of a chip 1400 according to an embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE-A Advanced long term evolution
- NR New Radio
- NTN Non-Terrestrial Networks
- UMTS Universal Mobile Telecommunication System
- WLAN Wireless Local Area Networks
- WiFi Wireless Fidelity
- 5G Wireless Fidelity
- FIG1 exemplarily shows a communication system 100.
- the communication system 100 may include an access point (AP) 110 and a station (STA) 120 accessing a network through the access point 110.
- AP access point
- STA station
- a network device is a device that communicates with a terminal device, such as a device that communicates with a zero-power device, and may also be a device that provides wireless power supply for a zero-power device, such as an AP in WiFi or a base station in a cellular network.
- the embodiment of the present application provides a method for indicating time information, the main method is that the network device indicates time information to the terminal device, and the time information can be set as simplified timestamp information, that is, timestamp information with a shorter time range.
- the embodiment of the present application can be applied to WiFi systems, and can also be applied to cellular network systems, etc.
- the network device indicates time information to the terminal device.
- the time range corresponding to the time information is configured by the network device.
- the time information indicated by the network device may be carried in other types of frames besides the beacon frame, such as management frames, control frames, data frames, etc.
- the time information may be carried in beacon frames, synchronization frames, trigger frames, data frames, paging frames, etc.
- the terminal device may obtain the timestamp information through the beacon frame, and may also obtain the timestamp information through other frames except the beacon frame, so that the terminal device can obtain the timestamp information in a timely manner, avoiding the waiting time of obtaining the timestamp information only through the beacon frame.
- the network device receives the type and/or capability information of the terminal device
- the network device sends the time range corresponding to the time information to the terminal device.
- the type and/or capability information of the terminal device may include at least one of energy storage capability, energy collection capability and energy collection mode. These types and/or capabilities may determine the duration of continuous operation of the terminal device at one time.
- the first time period may be:
- the time range corresponding to the time information includes at least one beacon frame transmission period
- the network device may use a beacon frame, or other frames except the beacon frame, to carry or indicate the time information.
- the network device can indicate the time information in an implicit way. In other words, the network device does not need to carry the bits of time information, but can send a beacon frame at the start of the beacon interval (that is, the start of the time range corresponding to the time information) to implicitly indicate that the time information is "time 0"; when the terminal device receives the beacon frame, It can be known that the time information is "time 0".
- the network device when the time range corresponding to the time information includes the beacon frame sending period, the network device indicates the time information to the terminal device, which may include: the network device sends a beacon frame to the terminal device, and the beacon frame is located at the starting position of the beacon frame sending period.
- the network device may not carry specific time information, but indicate in the beacon frame which beacon interval it is in, so as to implicitly indicate that the time information is the starting position of the beacon interval. Accordingly, the terminal device receiving the beacon frame can determine the time information indicated by the network device according to which beacon interval the beacon frame is in and the length of the pre-configured beacon interval. For example, the length of the pre-configured beacon interval is 102400 microseconds.
- the network device sends a beacon frame at the initial position of the second beacon interval, and indicates in the beacon frame that the beacon interval it is in is the second beacon interval in the entire time range; then, after receiving the beacon frame, the terminal device can determine that the time information indicated by the beacon frame is the starting position of the second beacon interval. If the starting time of the entire time range is taken as the 0th microsecond, the time information is the 102400th microsecond.
- the network device indicates the time information to the terminal device, which may include: the network device sends at least one beacon frame to the terminal device, the beacon frame is located at the starting position of the beacon frame sending period, and the beacon frame carries or indicates time information, and the time information indicates the position of the beacon frame sending period in which the beacon frame is located within the time range corresponding to the time information.
- the specific time information can be carried. For example, if the time information is 102400 microseconds, the time information can be indicated by 3 bytes or 17 bits.
- the time range corresponding to the time information includes at least one TWT period (TWT interval):
- a schedule can be established between the AP and the STA, which consists of a target wake-up time (TWT) cycle.
- the network device sends time information to the terminal device, and the time range corresponding to the time information can be an integer multiple of the TWT cycle (such as 1, 2 or multiple times).
- the unit of the time information can include time units such as microseconds or milliseconds.
- the network device may use a beacon frame, or other frames except the beacon frame, to carry or indicate the time information.
- the network device uses a TWT trigger frame to carry or indicate the time information.
- the time range corresponding to the time information is 1 TWT cycle
- the network device can indicate the time information in an implicit manner. In other words, the network device does not need to carry the bits of the time information, but sends a TWT trigger frame at the starting position of the TWT cycle (that is, the starting position of the time range corresponding to the time information) to implicitly indicate that the time information is "time 0"; when the terminal device receives the TWT trigger frame, it can know that the time information is "time 0".
- the network device when the time range corresponding to the time information includes the TWT cycle, the network device indicates the time information to the terminal device, including: the network device sends a TWT trigger frame to the terminal device, and the TWT trigger frame is located at the starting position of the TWT cycle.
- the network device may not carry specific time information, but indicate in the TWT trigger frame which TWT cycle it is in, so as to implicitly indicate that the time information is the starting position of the TWT cycle. Accordingly, the terminal device that receives the TWT trigger frame can determine the time information indicated by the network device based on which TWT cycle the TWT trigger frame is in and the length of the pre-configured TWT cycle. For example, the length of the pre-configured TWT cycle is 102400 microseconds.
- the network device sends a TWT trigger frame at the initial position of the 3rd TWT cycle, and indicates in the TWT trigger frame that the TWT cycle it is in is the 3rd TWT cycle in the entire time range; then, after receiving the TWT trigger frame, the terminal device can determine that the time information indicated by it is the starting position of the 3rd TWT cycle. If the start time of the entire time range is taken as the 0th microsecond, the time information is the 204800th microsecond.
- the network device indicates the time information to the terminal device, which may include: the network device sends at least one TWT trigger frame to the terminal device, and the TWT trigger frame is located at the starting position of the TWT cycle.
- the TWT trigger frame carries or indicates time information, and the time information indicates the position of the TWT cycle in which the TWT trigger frame is located within the time range corresponding to the time information.
- the time range corresponding to the time information includes the length of at least one RAW
- each RAW only allows a portion of STAs to access and use the channel for transmission.
- Each RAW can be divided into one or more RAW time slots. STAs access the channel in the allocated RAW slots, but not in other RAW slots, thereby reducing channel access conflicts.
- the time range corresponding to the time information includes an integer multiple (such as 1) of the RAW length, such as the time
- the time range corresponding to the stamp information is the RAW length.
- the network device may use a beacon frame, or other frames except the beacon frame, to carry or indicate the time information.
- the network device uses a synchronization frame to carry or indicate the time information.
- the network device may indicate the time information in an implicit manner. That is, the network device does not need to carry the bit of the time information, but sends a synchronization frame at the start position of the RAW (that is, the start position of the time range corresponding to the time information) to implicitly indicate that the time information is "time 0"; when the terminal device receives the synchronization frame, it can know that the time information is "time 0".
- the network device indicating the time information to the terminal device may include: the network device sending a synchronization frame to the terminal device, where the synchronization frame is located at the starting position of the RAW.
- the network device may not carry specific time information, but may indicate in the synchronization frame the RAW slot number of the RAW slot in which it is located, so as to implicitly indicate that the time information is the starting position of the RAW slot. Accordingly, the terminal device receiving the synchronization frame may determine the time information indicated by the network device according to the RAW slot number of the RAW slot in which the synchronization frame is located and the length of the pre-configured RAW. For example, the length of RAW is pre-configured to be 80,000 microseconds.
- the network device sends a synchronization frame at the initial position of the 3rd RAW slot, and indicates in the synchronization frame that the RAW slot it is in is the 3rd RAW slot within the RAW range.
- the terminal device can determine that the time information indicated by the synchronization frame is the starting position of the 3rd RAW slot. If the starting time of the entire time range is taken as the 0th microsecond, the time information is the 40,000th microsecond.
- the network device when the time range corresponding to the time information includes the length of the RAW, the network device indicates the time information to the terminal device, which may include: the network device sends at least one synchronization frame to the terminal device, and the synchronization frame is located at the starting position of the time slot within the RAW.
- the synchronization frame carries or indicates the time information, and the time information indicates the position of the time slot where the synchronization frame is located within the RAW.
- the time range corresponding to the time information includes the length of the SP;
- APSD Automatic Power Save Delivery
- S-APSD Scheduled APSD
- U-APSD Unscheduled APSD
- a transmission process is initiated by STA, and a trigger frame (Trigger Frame) is first sent.
- STA starts a service period, namely Service Period start.
- AP will feedback an acknowledgment frame (ACK) and a data frame.
- ACK acknowledgment frame
- STA will continue to exchange data with AP.
- the end of service period (EOSP, End Of Service Period) will be marked in the last Data frame, thus ending a service period, namely Service Period End.
- EOSP End Of Service Period
- the SP is pre-scheduled.
- the AP will send a trigger frame, and the STA will also wake up in advance to receive the frame, thus starting a service time.
- the time information can be carried in a data frame sent by the AP for time synchronization of the STA during the SP period.
- network devices can also use beacon frames or other frames other than beacon frames to carry or indicate the time information.
- the terminal device may use a beacon frame, or other frames except the beacon frame, to carry or indicate the time information.
- the embodiment of the present application also provides a method for indicating time information, the main method is that the terminal device receives the indication of the network device for time information, and the time range corresponding to the time information is configured by the network device.
- the time information can be set as simplified timestamp information, that is, timestamp information with a shorter time range.
- the embodiment of the present application can be applied to WiFi systems, and can also be applied to cellular network systems, etc.
- Fig. 3 is a schematic flow chart of an information indication method 300 according to an embodiment of the present application, which can be applied to the system shown in Fig. 1, but is not limited thereto.
- the method includes at least part of the following contents.
- the terminal device receives an instruction from the network device regarding time information, where a time range corresponding to the time information is configured by the network device.
- the time information may include timestamp information.
- the terminal device may adjust the timer according to the indication of the time information, for example, adjust the TSF timer.
- the time range corresponding to the time information indicated by the network device can be configured by the network device, for zero-power devices, since the time when the zero-power device works due to energy harvesting is intermittent, it is meaningless to maintain synchronization within a long range. Therefore, the time range corresponding to the timestamp information sent by the network device can be reduced, that is, the network device can configure time information with a shorter time range, thereby reducing the power consumption of the terminal device when receiving time information, while meeting the time synchronization requirements within the working hours of the terminal device. Reduce redundancy of existing timers.
- the time information indicated by the network device may be carried in other types of frames besides the beacon frame, such as management frames, control frames, data frames, etc.
- the time information may be carried in beacon frames, synchronization frames, trigger frames, data frames, paging frames, etc.
- the terminal device may obtain the timestamp information through the beacon frame, and may also obtain the timestamp information through other frames except the beacon frame, so that the terminal device can obtain the timestamp information in a timely manner, avoiding the waiting time of obtaining the timestamp information only through the beacon frame.
- the use of the embodiments of the present application can reduce the power consumption of the terminal device when receiving timestamp information, and can enable the terminal device to obtain timestamp information in a timely manner and reduce the waiting time of the terminal device. Therefore, the embodiments of the present application are particularly suitable for zero-power consumption terminals.
- the terminal device may report its type and/or capability information to the network device in advance, so that the network device can determine the time range corresponding to the time information according to the type and/or capability information. For example:
- the terminal device sends the type and/or capability information of the terminal device
- the terminal device receives the time range corresponding to the time information.
- the type and/or capability information of the terminal device may include at least one of energy storage capability, energy collection capability and energy collection mode. These types and/or capabilities may determine the duration of continuous operation of the terminal device at one time.
- the terminal device sends an association request (Association Request) message to the network device, and the association request message carries the type and/or capability information of the terminal device; the network device determines the time range of the time information indicated to the terminal device based on the type and/or capability information of the terminal device; finally, the terminal device receives an association response (Association Response) message from the network device, and the association response message carries the time range corresponding to the time information.
- Association Request association request
- the network device determines the time range of the time information indicated to the terminal device based on the type and/or capability information of the terminal device
- the terminal device receives an association response (Association Response) message from the network device, and the association response message carries the time range corresponding to the time information.
- the network device may receive the types and/or capability information of multiple terminal devices, and according to the types and/or capability information of these terminal devices, uniformly determine a time range corresponding to a time information, and broadcast the time range corresponding to the time information to these terminal devices.
- the network device may determine the time range according to the terminal device with the strongest capability among these terminal devices, so that the time range meets the timing requirements of each terminal device.
- the time range corresponding to the time information may be a time range that is unrelated to an existing time period.
- the network device configures the time range corresponding to the time information to be 100 milliseconds.
- the time range corresponding to the time information may be a time range associated with a time period in the related art.
- the network device configures the time range corresponding to the time information to include at least one first time period, such as 1, 2 or more first time periods. Which type of time period the first time period is specifically, and how many first time periods the time range includes, can be determined by the network device according to the type and/or capability of the terminal device.
- the first time period may be:
- time range corresponding to the time information please refer to the aforementioned related content and will not be repeated here.
- the embodiment of the present application provides a method for indicating time information, in which a network device indicates simplified timestamp information, taking a WiFi system as an example, including the following methods.
- the network device can use any one or more of the methods to indicate timestamp information to a terminal device.
- Method 1 The time range corresponding to the timestamp information is an integer multiple of the beacon frame sending period.
- the timestamp field in the beacon frame includes 8 bytes, 64 bits, and can be used to time in the range of 2 64 microseconds in microseconds, which is about 580,000 years.
- this timing range is too long for zero-power devices.
- Zero-power devices generally cannot guarantee continuous long-term operation. When they are out of power, they cannot receive timestamp information and maintain the local TSF timer. At the same time, receiving 64-bit timestamp information itself will cause zero-power devices to consume power, which is not conducive to energy saving.
- the timestamp information is simplified. If the zero-power device works intermittently due to energy harvesting, it is meaningless to maintain synchronization over a long period of time. Therefore, in this method, the time range corresponding to the timestamp information sent by the network device is shortened.
- the time range corresponding to the timestamp information may be the transmission period of the beacon frame, i.e., the beacon interval.
- the interval between the target beacon transmission times (TBTT) of the beacon frame is the beacon interval.
- the beacon interval information is carried by the beacon frame.
- the beacon interval information indicates the number of time units (TUs) through 2 bytes, and one TU represents 1024 microseconds.
- the beacon interval is set to 100 TUs, which is equivalent to transmitting a beacon signal every 100 milliseconds, or 0.1 seconds.
- the number of bits corresponding to the timestamp information corresponds to the length of the beacon interval.
- the time unit indicated by the timestamp information is TU.
- the timestamp information can be set to 1 byte in bytes. 8 bits can represent the number of TUs in a beacon interval, and the range that can be indicated is 0-255 TUs.
- the timestamp information can be set to 7 bits in bits.
- the time unit indicated by the timestamp information can also be microseconds, then the time length that the timestamp information can indicate is 102400 microseconds, and the timestamp information can require 3 bytes in bytes and 17 bits in bits.
- the timestamp information can be implicitly indicated.
- the beacon frame may not contain the timestamp information.
- the timestamp information is carried or indicated in frames sent by the AP at other times in the beacon interval (such as beacon frames or other types of frames), the time information within a beacon interval can be specifically indicated.
- the time range corresponding to the timestamp information may be an integer multiple of the beacon interval.
- the timing range of the TSF timer is N beacon intervals.
- the beacon frame is located at the start position of the beacon interval, for the timestamp information carried or indicated in each beacon frame, it can be indicated which of the N beacon intervals the beacon frame is located in.
- the timestamp information carried or indicated in frames sent at other times can specifically indicate the time information within the range of N beacon intervals.
- Method 2 The time range corresponding to the timestamp information is an integer multiple of the TWT period.
- the target wake time is introduced in the related technology.
- TWT a schedule is established between the terminal and the AP (the schedule is agreed upon by the terminal and the AP), and the schedule is composed of TWT time periods.
- the terminal will wake up, wait for the trigger frame sent by the AP, and exchange data.
- this transmission is completed, it returns to sleep.
- Each terminal and AP will conduct independent negotiations, and each terminal has a separate TWT time period.
- the AP can also group the terminals according to the set TWT time period and connect to multiple terminals at a time, thereby improving energy saving efficiency.
- TWT mode STA and AP agree on a TWT time period.
- STA works in sleep mode by default to maintain a low power consumption.
- AP sends a trigger frame (Trigger) to the terminal, and the terminal wakes up and performs data exchange with AP.
- Trigger a trigger frame
- the terminal wakes up and performs data exchange with AP.
- the terminal resumes sleep mode.
- the time period when STA wakes up for data exchange each time TWT arrives is the TWT period (TWT SP, TWT service period).
- the time range corresponding to the timestamp information may be a TWT period.
- the time range corresponding to the timestamp information may be one or more TWT periods.
- the time range corresponding to the timestamp information is a TWT interval, if the TWT trigger frame is located at the starting position of the TWT interval, the timestamp information may be implicitly indicated. At this time, the TWT trigger frame may not contain the timestamp information. If the timestamp information is carried in a frame (such as a TWT trigger frame or other types of frames) sent by the AP at other times in the TWT interval, it may specifically indicate the time information within a TWT interval.
- a frame such as a TWT trigger frame or other types of frames
- the TWT trigger frame may indicate which of the N TWT periods the TWT period is located in.
- Method 3 The time range corresponding to the timestamp information is an integer multiple of the RAW length.
- RAW restricted access window
- Each RAW only allows a part of STAs to access and use the channel for transmission.
- Each RAW can be divided into one or more RAW slots. STA accesses the channel in the assigned RAW slot, but not in other RAW slots, thereby reducing channel access conflicts.
- RAW contains 4 slots, and STA transmits data in its own slot.
- the time range corresponding to the timestamp information is an integer multiple of the RAW length, such as the time range corresponding to the timestamp information is the RAW length.
- a synchronization frame can be used to carry the timestamp information to indicate the start time of the RAW.
- the timestamp information may be implicitly indicated, and the timestamp information may not be included.
- An indication information may be added to the synchronization frame to indicate that the synchronization frame is located at the beginning of RAW. If the synchronization frame is sent at the start time of a slot in RAW, the timestamp information it carries may indicate which slot the synchronization frame is located in among the N slots contained in RAW, and may also indicate a specific time.
- APSD is a related technology that sets a concept of service time, namely Service Period (SP). After a node occupies a channel, it sets a service time, and during this time, the node can transmit multiple frames, in other words, one competition for multiple transmissions.
- SP Service Period
- ASPD there are two specific working modes: S-APSD and U-APSD.
- a transmission process is initiated by STA, and a trigger frame (Trigger Frame) is first sent.
- STA starts a service time, namely Service Period start.
- AP will feedback an ACK and a data (data).
- STA will continue to exchange data with AP.
- EOSP End Of Service Period
- EOSP End Of Service Period
- the time range corresponding to the timestamp information may be the maximum SP length.
- the timestamp information may be carried in a data frame sent by the AP for time synchronization of the STA during the SP period, as shown in FIG7 .
- SP is scheduled in advance.
- AP will send a trigger frame, and STA will wake up in advance to receive the frame, thus starting a service time, as shown in Figure 8.
- the time range corresponding to the timestamp information is the configured length.
- the time range corresponding to the timestamp information is set based on the existing time period or time parameters, such as beacon interval, TWT interval, SP, etc.
- the AP and STA negotiate a time range, such as during the association process, the AP and STA negotiate a time range corresponding to the timestamp information, which also determines the number of bits/bytes of the timestamp information and the timing range of the STA local TSF timer.
- the time range corresponding to the timestamp information can be determined according to the type or capability of the STA served by the AP, such as the energy storage capability, energy collection capability or energy collection method of the STA, which can determine the working time of the STA at one time.
- the STA can report the capability information to the AP, and the AP determines and indicates the time range corresponding to the timestamp information.
- the timestamp information can be carried in the beacon frame, or in frames other than the beacon frame type, such as trigger frames, synchronization frames, data frames, NDP (null data PPDU) paging frames, etc., which can be periodic or non-periodic.
- These frames can be oriented to a specific STA or broadcast. They can send the timestamp information to the STA during the process of triggering communication with the STA for synchronization within a certain time range during the communication process, without the need to use only beacon frames to send to the STA regularly to continuously maintain synchronization.
- the timestamp information can also be used to determine the current time after the STA is awakened by energy harvesting, so as to determine whether it has reached its target communication time, such as TWT, RAW, SP, etc.
- FIG. 9 is a schematic diagram of the structure of a terminal device 900 according to the embodiment of the present application, including:
- the first receiving module 910 is configured to receive an indication from a network device regarding time information, where a time range corresponding to the time information is configured by the network device.
- the time range corresponding to the time information includes at least one first time period.
- the first time period includes at least one of the following:
- the time information is carried in at least one of a beacon frame, a synchronization frame, a trigger frame, a data frame, and a paging frame.
- FIG10 is a schematic diagram of the structure of a terminal device 1000 according to an embodiment of the present application.
- the terminal device 1000 includes one or more features of the above-mentioned terminal device 900 embodiment. In a possible implementation, in the embodiment of the present application, it also includes:
- a first sending module 1020 configured to send the type and/or capability information of the terminal device
- the second receiving module 1030 is configured to receive a time range corresponding to the time information.
- the type and/or capability information includes at least one of energy storage capability, energy harvesting capability, and energy harvesting method.
- the unit of the time information includes a time unit TU, microseconds, or milliseconds.
- the first receiving module 910 is configured to receive a beacon frame, where the beacon frame is located at the start position of the beacon frame sending period.
- the first receiving module 910 is used to receive a beacon frame, the beacon frame is located at the starting position of the beacon frame sending period, and the beacon frame carries time information, and the time information indicates the position of the beacon frame sending period in which the beacon frame is located within the time range corresponding to the time information.
- the first receiving module 910 is used to receive a TWT trigger frame, and the TWT trigger frame is located at the starting position of the TWT cycle.
- the first receiving module 910 is used to receive at least one TWT trigger frame, where the TWT trigger frame is located at the starting position of the TWT cycle, and the TWT trigger frame carries time information, and the time information indicates the position of the TWT cycle in which the TWT trigger frame is located within the time range corresponding to the time information.
- the first receiving module 910 is configured to receive a synchronization frame, where the synchronization frame is located at the start position of the RAW.
- the first receiving module 910 is configured to receive at least one synchronization frame, the synchronization frame being located at the start position of the time slot in the RAW, the synchronization frame carrying the time information, and the time information Indicates the position of the time slot where the synchronization frame is located in the RAW.
- the network device includes an access point AP or an access network device.
- the terminal device comprises a zero-power consumption device.
- the zero-power consumption device includes an ambient energy based device.
- the time information includes timestamp information.
- the adjustment module 1040 is configured to adjust the timer according to the indication of the time information.
- the timer comprises a Time Synchronization Function (TSF) timer.
- TSF Time Synchronization Function
- FIG. 11 is a schematic diagram of the structure of a network device 1100 according to the embodiment of the present application, including:
- the indication module 1110 is used to indicate time information to the terminal device, and the time range corresponding to the time information is configured by the network device.
- the time range corresponding to the time information includes at least one first time period.
- the first time period includes at least one of the following:
- the time information is carried in at least one of a beacon frame, a synchronization frame, a trigger frame, a data frame, and a paging frame.
- FIG12 is a schematic diagram of the structure of a network device 1200 according to an embodiment of the present application.
- the network device 1200 includes one or more features of the above-mentioned network device 1200 embodiment. In a possible implementation, in the embodiment of the present application, it also includes:
- the third receiving module 1220 is used to receive the type and/or capability information of the terminal device
- a determination module 1230 configured to determine a time range corresponding to the time information according to the type and/or capability information
- the second sending module 1240 is used to send the time range corresponding to the time information to the terminal device.
- the type and/or capability information includes at least one of energy storage capability, energy harvesting capability, and energy harvesting method.
- the unit of the time information includes a time unit TU, microseconds, or milliseconds.
- the indication module 1110 is used to send a beacon frame to the terminal device, and the beacon frame is located at the starting position of the beacon frame sending period.
- the indication module 1110 is used to send at least one beacon frame to the terminal device, and the beacon frame is located at the starting position of the beacon frame sending period.
- the beacon frame carries time information, and the time information indicates the position of the beacon frame sending period in which the beacon frame is located within the time range corresponding to the time information.
- the indication module 1110 is used to send a TWT trigger frame to the terminal device, and the TWT trigger frame is located at the starting position of the TWT cycle.
- the indication module 1110 is used to send at least one TWT trigger frame to the terminal device, where the TWT trigger frame is located at the starting position of the TWT cycle, and the TWT trigger frame carries time information, and the time information indicates the position of the TWT cycle in which the TWT trigger frame is located within the time range corresponding to the time information.
- the indication module 1110 is used to send a synchronization frame to the terminal device, where the synchronization frame is located at the start position of the RAW.
- the indication module 1110 is used to send at least one synchronization frame to the terminal device, where the synchronization frame is located at the starting position of the time slot within the RAW, and the synchronization frame carries time information, and the time information indicates the position of the time slot where the synchronization frame is located within the RAW.
- the network device includes an AP or an access network device.
- the terminal device comprises a zero-power consumption device.
- the zero-power consumption device includes an ambient energy based device.
- the time information includes timestamp information.
- the functions described in the various modules (submodules, units or components, etc.) in the communication device of the embodiment of the present application can be implemented by different modules (submodules, units or components, etc.) or by the same module (submodules, units or components, etc.).
- the first receiving module and the second receiving module can be different modules or the same module, and both can implement their corresponding functions in the embodiment of the present application.
- the sending module and the receiving module in the embodiment of the present application can be implemented by the transceiver of the device. Now, part or all of the remaining modules can be implemented by the processor of the device.
- Fig. 13 is a schematic structural diagram of a communication device 1300 according to an embodiment of the present application.
- the communication device 1300 shown in Fig. 13 includes a processor 1310, and the processor 1310 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the communication device 1300 may further include a memory 1320.
- the processor 1310 may call and run a computer program from the memory 1320 to implement the communication device in the embodiment of the present application.
- the memory 1320 may be a separate device independent of the processor 1310 , or may be integrated into the processor 1310 .
- the communication device 1300 may further include a transceiver 1330 , and the processor 1310 may control the transceiver 1330 to communicate with other devices, specifically, may send information or data to other devices, or receive information or data sent by other devices.
- the transceiver 1330 may include a transmitter and a receiver.
- the transceiver 1330 may further include an antenna, and the number of antennas may be one or more.
- the communication device 1300 may be the communication device of an embodiment of the present application, and the communication device 1300 may implement the corresponding processes implemented by the communication device in each method of the embodiment of the present application, which will not be described again for the sake of brevity.
- Fig. 14 is a schematic structural diagram of a chip 1400 according to an embodiment of the present application.
- the chip 1400 shown in Fig. 14 includes a processor 1410, and the processor 1410 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the chip 1400 may further include a memory 1420.
- the processor 1410 may call and run a computer program from the memory 1420 to implement the method in the embodiment of the present application.
- the memory 1420 may be a separate device independent of the processor 1410 , or may be integrated into the processor 1410 .
- the chip 1400 may further include an input interface 1430.
- the processor 1410 may control the input interface 1430 to communicate with other devices or chips, and specifically, may obtain information or data sent by other devices or chips.
- the chip 1400 may further include an output interface 1440.
- the processor 1410 may control the output interface 1440 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
- the chip can be applied to the communication device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity, they will not be repeated here.
- the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
- the processor mentioned above may be a general-purpose processor, a digital signal processor (DSP), a field programmable gate array (FPGA), an application specific integrated circuit (ASIC) or other programmable logic devices, transistor logic devices, discrete hardware components, etc.
- DSP digital signal processor
- FPGA field programmable gate array
- ASIC application specific integrated circuit
- the general-purpose processor mentioned above may be a microprocessor or any conventional processor, etc.
- the memory mentioned above may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories.
- the non-volatile memory may be a read-only memory (ROM), a programmable ROM (PROM), an erasable programmable ROM (EPROM), an electrically erasable programmable ROM (EEPROM) or a flash memory.
- the volatile memory may be a random access memory (RAM).
- the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
- the computer program product includes one or more computer instructions.
- the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
- the computer instructions can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (Digital Subscriber Line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
- the computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated.
- the available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state drive (SSD)), etc.
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Abstract
Description
Claims (77)
- 一种信息指示方法,包括:终端设备接收网络设备针对时间信息的指示,所述时间信息对应的时间范围由所述网络设备配置。
- 根据权利要求1所述的方法,其中,所述时间信息对应的时间范围包括至少一个第一时间周期。
- 根据权利要求2所述的方法,其中,所述第一时间周期包括以下至少之一:信标帧发送周期;目标唤醒时间TWT周期;限制接入窗口RAW的长度;服务时间SP的长度。
- 根据权利要求1-3中任一所述的方法,其中,所述时间信息承载于信标帧、同步帧、触发帧、数据帧和寻呼帧中的至少之一。
- 根据权利要求1-4中任一所述的方法,还包括:所述终端设备发送所述终端设备的类型和/或能力信息;所述终端设备接收所述时间信息对应的时间范围。
- 根据权利要求5所述的方法,其中,所述类型和/或能力信息包括储能能力、能量采集能力和能量采集方式中的至少之一。
- 根据权利要求1-6中任一所述的方法,其中,所述时间信息的单位包括时间单元TU、微秒或毫秒。
- 根据权利要求1-7中任一所述的方法,其中,在所述时间信息对应的时间范围包括信标帧发送周期的情况下,所述终端设备接收网络设备针对时间信息的指示,包括:所述终端设备接收信标帧,所述信标帧位于所述信标帧发送周期的起始位置。
- 根据权利要求1-7中任一所述的方法,其中,在所述时间信息对应的时间范围包括两个或多个信标帧发送周期的情况下,所述终端设备接收网络设备针对时间信息的指示,包括:终端设备接收信标帧,所述信标帧位于信标帧发送周期的起始位置,所述信标帧携带或指示所述时间信息,所述时间信息指示所述信标帧所处的信标帧发送周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求1-7中任一所述的方法,其中,在所述时间信息对应的时间范围包括TWT周期的情况下,所述终端设备接收网络设备针对时间信息的指示,包括:所述终端设备接收TWT触发帧,所述TWT触发帧位于所述TWT周期的起始位置。
- 根据权利要求1-7中任一所述的方法,其中,在所述时间信息对应的时间范围包括两个或多个TWT周期的情况下,所述终端设备接收网络设备针对时间信息的指示,包括:所述终端设备接收至少一个TWT触发帧,所述TWT触发帧位于TWT周期的起始位置,所述TWT触发帧携带或指示所述时间信息,所述时间信息指示所述TWT触发帧所处的TWT周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求1-7中任一所述的方法,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述终端设备接收网络设备针对时间信息的指示,包括:所述终端设备接收同步帧,所述同步帧位于所述RAW的起始位置。
- 根据权利要求1-7中任一所述的方法,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述终端设备接收网络设备针对时间信息的指示,包括:所述终端设备接收至少一个同步帧,所述同步帧位于所述RAW内的时隙的起始位置,所述同步帧携带或指示所述时间信息,所述时间信息指示所述同步帧所处的时隙在所述RAW内的位置。
- 根据权利要求1-13中任一所述的方法,其中,所述网络设备包括接入点AP或接入网设备。
- 根据权利要求1-14中任一所述的方法,其中,所述终端设备包括零功耗设备。
- 根据权利要求15所述的方法,其中,所述零功耗设备包括基于环境能量的设备。
- 根据权利要求1-16中任一所述的方法,其中,所述时间信息包括时间戳信息。
- 根据权利要求1-17中任一所述的方法,还包括,所述终端设备根据所述针对时间信息的指示调整计时器。
- 根据权利要求18所述的方法,其中,所述计时器包括计时同步功能TSF计时器。
- 一种信息指示方法,包括:网络设备向终端设备指示时间信息,所述时间信息对应的时间范围由所述网络设备配置。
- 根据权利要求20所述的方法,其中,所述时间信息对应的时间范围包括至少一个第一时间周期。
- 根据权利要求21所述的方法,其中,所述第一时间周期包括以下至少之一:信标帧发送周期;TWT周期;RAW的长度;SP的长度。
- 根据权利要求20-22中任一所述的方法,其中,所述时间信息承载于信标帧、同步帧、触发帧、数据帧和寻呼帧中的至少之一。
- 根据权利要求20-23中任一所述的方法,还包括:所述网络设备接收所述终端设备的类型和/或能力信息;所述网络设备根据所述类型和/或能力信息,确定所述时间信息对应的时间范围;所述网络设备向所述终端设备发送所述时间信息对应的时间范围。
- 根据权利要求24所述的方法,其中,所述类型和/或能力信息包括储能能力、能量采集能力和能量采集方式中的至少之一。
- 根据权利要求20-25中任一所述的方法,其中,所述时间信息的单位包括时间单元TU、微秒或毫秒。
- 根据权利要求20-26中任一所述的方法,其中,在所述时间信息对应的时间范围包括信标帧发送周期的情况下,所述网络设备向终端设备指示时间信息,包括:所述网络设备向终端设备发送信标帧,所述信标帧位于所述信标帧发送周期的起始位置。
- 根据权利要求20-26中任一所述的方法,其中,在所述时间信息对应的时间范围包括两个或多个信标帧发送周期的情况下,所述网络设备向终端设备指示时间信息,包括:所述网络设备向终端设备发送至少一个信标帧,所述信标帧位于信标帧发送周期的起始位置,所述信标帧携带或指示所述时间信息,所述时间信息指示所述信标帧所处的信标帧发送周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求20-26中任一所述的方法,其中,在所述时间信息对应的时间范围包括TWT周期的情况下,所述网络设备向终端设备指示时间信息,包括:所述网络设备向终端设备发送TWT触发帧,所述TWT触发帧位于所述TWT周期的起始位置。
- 根据权利要求20-26中任一所述的方法,其中,在所述时间信息对应的时间范围包括两个或多个TWT周期的情况下,所述网络设备向终端设备指示时间信息,包括:所述网络设备向终端设备发送至少一个TWT触发帧,所述TWT触发帧位于TWT周期的起始位置,所述TWT触发帧携带或指示所述时间信息,所述时间信息指示所述TWT触发帧所处的TWT周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求20-26中任一所述的方法,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述网络设备向终端设备指示时间信息,包括:所述网络设备向终端设备发送同步帧,所述同步帧位于所述RAW的起始位置。
- 根据权利要求20-26中任一所述的方法,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述网络设备向终端设备指示时间信息,包括:所述网络设备向终端设备发送至少一个同步帧,所述同步帧位于所述RAW内的时隙的起始位置,所述同步帧携带或指示所述时间信息,所述时间信息指示所述同步帧所处的时隙在所述RAW内的位置。
- 根据权利要求20-32中任一所述的方法,其中,所述网络设备包括AP或接入网设备。
- 根据权利要求20-33中任一所述的方法,其中,所述终端设备包括零功耗设备。
- 根据权利要求34所述的方法,其中,所述零功耗设备包括基于环境能量的设备。
- 根据权利要求20-35中任一所述的方法,其中,所述时间信息包括时间戳信息。
- 一种终端设备,包括:第一接收模块,用于接收网络设备针对时间信息的指示,所述时间信息对应的时间范围由所述网络设备配置。
- 根据权利要求37所述的终端设备,其中,所述时间信息对应的时间范围包括至少一个第一时间周期。
- 根据权利要求38所述的终端设备,其中,所述第一时间周期包括以下至少之一:信标帧发送周期;TWT周期;RAW的长度;SP的长度。
- 根据权利要求37-39中任一所述的终端设备,其中,所述时间信息承载于信标帧、同步帧、触 发帧、数据帧和寻呼帧中的至少之一。
- 根据权利要求37-40中任一所述的终端设备,还包括:第一发送模块,用于发送所述终端设备的类型和/或能力信息;第二接收模块,用于接收所述时间信息对应的时间范围。
- 根据权利要求41所述的终端设备,其中,所述类型和/或能力信息包括储能能力、能量采集能力和能量采集方式中的至少之一。
- 根据权利要求37-42中任一所述的终端设备,其中,所述时间信息的单位包括时间单元TU、微秒或毫秒。
- 根据权利要求37-43中任一所述的终端设备,其中,在所述时间信息对应的时间范围包括信标帧发送周期的情况下,所述第一接收模块,用于接收信标帧,所述信标帧位于所述信标帧发送周期的起始位置。
- 根据权利要求37-43中任一所述的终端设备,其中,在所述时间信息对应的时间范围包括两个或多个信标帧发送周期的情况下,所述第一接收模块,用于接收信标帧,所述信标帧位于信标帧发送周期的起始位置,所述信标帧携带或指示所述时间信息,所述时间信息指示所述信标帧所处的信标帧发送周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求37-43中任一所述的终端设备,其中,在所述时间信息对应的时间范围包括TWT周期的情况下,所述第一接收模块,用于接收TWT触发帧,所述TWT触发帧位于所述TWT周期的起始位置。
- 根据权利要求37-43中任一所述的终端设备,其中,在所述时间信息对应的时间范围包括两个或多个TWT周期的情况下,所述第一接收模块,用于接收至少一个TWT触发帧,所述TWT触发帧位于TWT周期的起始位置,所述TWT触发帧携带或指示所述时间信息,所述时间信息指示所述TWT触发帧所处的TWT周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求37-43中任一所述的终端设备,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述第一接收模块,用于接收同步帧,所述同步帧位于所述RAW的起始位置。
- 根据权利要求37-43中任一所述的终端设备,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述第一接收模块,用于接收至少一个同步帧,所述同步帧位于所述RAW内的时隙的起始位置,所述同步帧携带或指示所述时间信息,所述时间信息指示所述同步帧所处的时隙在所述RAW内的位置。
- 根据权利要求37-49中任一所述的终端设备,其中,所述网络设备包括接入点AP或接入网设备。
- 根据权利要求37-50中任一所述的终端设备,其中,所述终端设备包括零功耗设备。
- 根据权利要求51所述的终端设备,其中,所述零功耗设备包括基于环境能量的设备。
- 根据权利要求37-52中任一所述的终端设备,其中,所述时间信息包括时间戳信息。
- 根据权利要求37-53中任一所述的终端设备,还包括,调整模块,用于根据所述针对时间信息的指示调整计时器。
- 根据权利要求54所述的终端设备,其中,所述计时器包括计时同步功能TSF计时器。
- 一种网络设备,包括:指示模块,用于向终端设备指示时间信息,所述时间信息对应的时间范围由所述网络设备配置。
- 根据权利要求56所述的网络设备,其中,所述时间信息对应的时间范围包括至少一个第一时间周期。
- 根据权利要求57所述的网络设备,其中,所述第一时间周期包括以下至少之一:信标帧发送周期;TWT周期;RAW的长度;SP的长度。
- 根据权利要求56-58中任一所述的网络设备,其中,所述时间信息承载于信标帧、同步帧、触发帧、数据帧和寻呼帧中的至少之一。
- 根据权利要求56-59中任一所述的网络设备,还包括:第三接收模块,用于接收所述终端设备的类型和/或能力信息;确定模块,用于根据所述类型和/或能力信息,确定所述时间信息对应的时间范围;第二发送模块,用于向所述终端设备发送所述时间信息对应的时间范围。
- 根据权利要求60所述的网络设备,其中,所述类型和/或能力信息包括储能能力、能量采集能力和能量采集方式中的至少之一。
- 根据权利要求56-61中任一所述的网络设备,其中,所述时间信息的单位包括时间单元TU、微秒或毫秒。
- 根据权利要求56-62中任一所述的网络设备,其中,在所述时间信息对应的时间范围包括信标帧发送周期的情况下,所述指示模块,用于向终端设备发送信标帧,所述信标帧位于所述信标帧发送周期的起始位置。
- 根据权利要求56-62中任一所述的网络设备,其中,在所述时间信息对应的时间范围包括两个或多个信标帧发送周期的情况下,所述指示模块,用于向终端设备发送至少一个信标帧,所述信标帧位于信标帧发送周期的起始位置,所述信标帧携带或指示所述时间信息,所述时间信息指示所述信标帧所处的信标帧发送周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求56-62中任一所述的网络设备,其中,在所述时间信息对应的时间范围包括TWT周期的情况下,所述指示模块,用于向终端设备发送TWT触发帧,所述TWT触发帧位于所述TWT周期的起始位置。
- 根据权利要求56-62中任一所述的网络设备,其中,在所述时间信息对应的时间范围包括两个或多个TWT周期的情况下,所述指示模块,用于向终端设备发送至少一个TWT触发帧,所述TWT触发帧位于TWT周期的起始位置,所述TWT触发帧携带或指示所述时间信息,所述时间信息指示所述TWT触发帧所处的TWT周期在所述时间信息对应的时间范围内的位置。
- 根据权利要求56-62中任一所述的网络设备,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述指示模块,用于向终端设备发送同步帧,所述同步帧位于所述RAW的起始位置。
- 根据权利要求56-62中任一所述的网络设备,其中,在所述时间信息对应的时间范围包括RAW的长度的情况下,所述指示模块,用于向终端设备发送至少一个同步帧,所述同步帧位于所述RAW内的时隙的起始位置,所述同步帧携带或指示所述时间信息,所述时间信息指示所述同步帧所处的时隙在所述RAW内的位置。
- 根据权利要求56-68中任一所述的网络设备,其中,所述网络设备包括AP或接入网设备。
- 根据权利要求56-69中任一所述的网络设备,其中,所述终端设备包括零功耗设备。
- 根据权利要求70所述的网络设备,其中,所述零功耗设备包括基于环境能量的设备。
- 根据权利要求56-71中任一所述的网络设备,其中,所述时间信息包括时间戳信息。
- 一种通信设备,包括:处理器、存储器和收发器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,并控制所述收发器,执行如权利要求1至19或20至36中任一项所述的方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至19或20至36中任一所述的方法。
- 一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至19或20至36中任一所述的方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至19或20至36中任一所述的方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求1至19或20至36中任一所述的方法。
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| CN202380095321.1A CN120836177A (zh) | 2023-06-20 | 2023-06-20 | 信息传输方法和设备 |
| KR1020257037385A KR20260027124A (ko) | 2023-06-20 | 2023-06-20 | 정보 지시 방법 및 장치 |
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| CN110098905A (zh) * | 2018-01-30 | 2019-08-06 | 华为技术有限公司 | 信息指示方法、终端设备、网络设备和系统 |
| CN111148190A (zh) * | 2018-11-02 | 2020-05-12 | 华为技术有限公司 | 终端设备省电方法、装置、设备及存储介质 |
| WO2022147723A1 (zh) * | 2021-01-07 | 2022-07-14 | 北京小米移动软件有限公司 | 通信方法和通信设备 |
| EP4106427A1 (en) * | 2020-02-17 | 2022-12-21 | China Mobile Communication Co., Ltd Research Institute | Information transmission method and apparatus, related device, and storage medium |
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| CN110098905A (zh) * | 2018-01-30 | 2019-08-06 | 华为技术有限公司 | 信息指示方法、终端设备、网络设备和系统 |
| CN111148190A (zh) * | 2018-11-02 | 2020-05-12 | 华为技术有限公司 | 终端设备省电方法、装置、设备及存储介质 |
| EP4106427A1 (en) * | 2020-02-17 | 2022-12-21 | China Mobile Communication Co., Ltd Research Institute | Information transmission method and apparatus, related device, and storage medium |
| WO2022147723A1 (zh) * | 2021-01-07 | 2022-07-14 | 北京小米移动软件有限公司 | 通信方法和通信设备 |
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| KR20260027124A (ko) | 2026-02-27 |
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