WO2020156428A1 - 信息发送方法、信息检测方法、终端设备及网络设备 - Google Patents
信息发送方法、信息检测方法、终端设备及网络设备 Download PDFInfo
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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
- H04W74/0833—Random access procedures, e.g. with 4-step access
- H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
- H04W74/0858—Random access procedures, e.g. with 4-step access with collision treatment collision detection
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
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Definitions
- the present disclosure relates to the field of communication technology, and in particular to an information sending method, an information detection method, terminal equipment and network equipment.
- R15 terminal equipment (UE) and R16 UE may coexist in a cell. Therefore, there are the following application scenarios: R15 UE initiates 4 competition-based steps (4 -step) random access process, and when the R16 UE initiates a contention-based 2-step random access process, when the network device sends a random access response message to the UE, the random access response message may It is an Msg2 message (corresponding to a 4-step random access process), or may be an MsgB message (corresponding to a 2-step random access process).
- Msg2 message corresponding to a 4-step random access process
- MsgB message corresponding to a 2-step random access process
- the embodiments of the present disclosure provide an information sending method, an information detection method, a terminal device, and a network device to solve the problem that the terminal device cannot distinguish the type corresponding to the current random access when there are at least two types of random access procedures.
- the random access response message problem is provided.
- embodiments of the present disclosure provide an information sending method, which is applied to a network device, and includes:
- the DCI is used to schedule a random access response message corresponding to the current random access type.
- embodiments of the present disclosure provide an information detection method, which is applied to a terminal device, and includes:
- the target DCI is used to schedule a random access response message corresponding to the current random access type.
- embodiments of the present disclosure provide a network device, including:
- the sending module is used to send DCI to the terminal device according to the current random access type
- the DCI is used to schedule a random access response message corresponding to the current random access type.
- a terminal device including:
- the detection module is used to detect the target DCI according to the current type of random access
- the target DCI is used to schedule a random access response message corresponding to the current random access type.
- embodiments of the present disclosure provide a network device, including a memory, a processor, and a computer program stored on the memory and capable of running on the processor, wherein the computer program is executed by the processor
- the steps of the above information sending method can be realized when executed.
- embodiments of the present disclosure provide a terminal device, including a memory, a processor, and a computer program stored on the memory and capable of running on the processor, wherein the computer program is executed by the processor
- the steps of the above information detection method can be realized when executed.
- the embodiments of the present disclosure provide a computer-readable storage medium on which a computer program is stored, wherein the computer program can implement the steps of the above-mentioned information sending method or the above-mentioned information detection method when the computer program is executed by a processor. step.
- the network device sends DCI to the terminal device according to the current type of random access.
- the DCI is used to schedule a random access response message corresponding to the current type of random access, so that the network device and the terminal device can
- the understanding in the random access process is consistent to ensure that the terminal device can distinguish the corresponding random access response messages when supporting at least two types of random access processes at the same time, so as to ensure the correctness of subsequent data analysis and the random access process The successful completion.
- FIG. 1 is a flowchart of an information sending method according to an embodiment of the disclosure
- FIG. 3 is one of the schematic structural diagrams of the network device of the embodiment of the disclosure.
- FIG. 4 is one of the schematic structural diagrams of the terminal device of the embodiment of the disclosure.
- FIG. 5 is the second structural diagram of a terminal device according to an embodiment of the disclosure.
- Fig. 6 is the second structural diagram of a network device according to an embodiment of the disclosure.
- the wireless communication system of the embodiment of the present disclosure includes a terminal device and a network device.
- the terminal device may also be called a terminal or a user terminal (User Equipment, UE), and the terminal may be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), or a personal digital assistant (Personal Digital Assistant, PDA).
- UE User Equipment
- PDA Personal Digital Assistant
- MID Mobile Internet Device
- Wearable Device Wearable Device
- in-vehicle device and other terminal-side devices the specific types of terminals are not limited in the embodiments of the present disclosure.
- the network equipment can be a base station or a core network, where the base station can be a base station of 5G and later versions (for example: gNB, 5G NR NB, etc.), or a base station in other communication systems (for example: eNB, WLAN access point, or other Access point, etc.).
- the base station can be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set ( Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, or some other appropriate term in the field, as long as the same
- B Base Transceiver Station
- BSS Basic Service Set
- ESS Extended Service Set
- Node B Evolved Node B (eNB)
- Home Node B Home Evolved Node B
- WLAN Access Point WiFi Node
- FIG. 1 is a flowchart of an information sending method provided by an embodiment of the present disclosure. The method is applied to a network device. As shown in FIG. 1, the method includes the following steps:
- Step 101 Send DCI to the terminal device according to the current random access type.
- the downlink control information (Downlink Control Information, DCI) is used to schedule a random access response message corresponding to the current random access type. For example, if the current random access type is 4-step RACH, the DCI is used for scheduling Msg2 messages; or, if the current random access type is 2-step RACH, then the DCI is used for scheduling MsgB messages.
- DCI Downlink Control Information
- the aforementioned DCI may be carried on a physical downlink control channel (Physical Downlink Control Channel, PDCCH) and sent on the target search space within a certain window time.
- PDCCH Physical Downlink Control Channel
- the above-mentioned current random access type can be detected by the network equipment to learn the type of the random access process initiated by the terminal equipment, such as 4-step RACH or 2-step RACH.
- the network device sends DCI to the terminal device according to the current random access type.
- the DCI is used to schedule the random access response message corresponding to the current random access type, so that the network device and the terminal.
- the understanding of the equipment during the random access process is consistent to ensure that when supporting at least two types of random access at the same time, the terminal device can distinguish the corresponding random access response messages, thereby ensuring the correct and random subsequent data analysis Successful completion of the access process.
- the network device can use different methods to make the terminal device receive the Msg2 message or the MsgB message differently, thereby avoiding inconsistent understanding between the network device and the terminal device.
- the embodiment of the present disclosure may add new indication information to the DCI, that is, the above DCI includes indication information, and the indication information is used to indicate the random access scheduled by the DCI The type of random access corresponding to the response message.
- the terminal device can first blindly detect the DCI, then analyze the indication information in the blindly detected DCI, and finally determine whether the blindly detected DCI scheduled random access response message is consistent with The current random access type corresponds. If it corresponds, it is determined that the blindly detected DCI is the desired target DCI. If it does not correspond, it is determined that the blindly detected DCI is not the required target DCI, and the blindly detected DCI scheduling is not received. Data, so as to achieve differentiated reception of corresponding random access response messages.
- the indication information added in the DCI may be a 1-bit indicator variable.
- the indicator variable Define any bit as an indicator variable of the RACH type (2-step RACH or 4-step RACH) in the 16 bits reserved in the DCI 1_0 format of the CRC scrambled by RA-RNTI. If the value of the indicator variable is 0 , It means that the corresponding DCI schedules msg2 messages, and if the value of the indicator variable is 1, it means that the corresponding DCI schedules msgB messages.
- the threshold window can be set in the corresponding physical downlink shared channel (Physical Downlink Shared Channel).
- the Transport Block (TB) received by the Channel (PDSCH) is delivered to the higher layer.
- the terminal device uses a preset method to process the blindly detected DCI scheduled data block;
- the preset mode includes any one of the following:
- the received data block scheduled by the blindly detected DCI is discarded.
- the value of the indicator variable is 0, it means that the corresponding DCI schedules the MsgB message, and if the value of the indicator variable is 1, it means that the corresponding DCI schedules the Msg2 message.
- the network device may configure the DCI (PDCCH) for scheduling different types of random access response messages in different search spaces (Search Space).
- DCI DCI
- Search Space For example, for 4-step RACH and 2-step RACH, you can configure any of the following combinations:
- A indicates that the search space where the DCI for scheduling Msg2 is located is the first search space, and the first search space is configured on the first CORESET;
- B indicates that the search space where the DCI for scheduling MsgB is located is the second search space, and the second search space is configured on the first CORESET;
- C indicates that the search space where the DCI for scheduling Msg2 is located is the first search space, and the first search space is configured on the second CORESET;
- D indicates that the search space where the DCI of the scheduling MsgB is located is the second search space, and the second search space is configured on the second CORESET.
- the method may further include:
- the PDCCH configuration information includes at least two types of search space configuration information, and each type of search space configuration information is configured for scheduling a DCI of a response message of a random access type.
- the search space configuration information can be understood as public search space configuration information.
- the above-mentioned PDCCH configuration information may include two search space configuration information, one search space configuration information is configured for scheduling MsgB DCI , Another search space configuration information is configured for scheduling Msg2 DCI.
- the above-mentioned PDCCH configuration information may be broadcast through a system message, and the system message may include at least one of the following: search space parameters, control resource set information, and blind detection period; or, the above-mentioned PDCCH configuration information may be sent through RRC signaling .
- the terminal device can be made aware of the relevant configuration, thereby effectively detecting the PDCCH.
- step 101 may include:
- the DCI is sent to the terminal device on a target search space; wherein, the target search space corresponds to the current type of random access.
- the terminal device can detect the target DCI on the target search space, thereby ensuring that the random access response message is received differently.
- RA-RNTI Random Access Radio Network Tempory Identity
- CRC Cyclic Redundancy Check
- the DCI sent by the network device in step 101 may be scrambled by RA-RNTI, which is related to the current type of random access.
- RA-RNTI can be calculated using the following formula:
- RA-RNTI 1+n1 ⁇ s_id+n2 ⁇ 14 ⁇ t_id+n3 ⁇ 14 ⁇ A ⁇ f_id+n4 ⁇ 14 ⁇ A ⁇ B ⁇ ul_carrier_id+n5 ⁇ E_id;
- s_id is the Orthogonal Frequency Division Multiplexing (OFDM) symbol number where the first symbol of the Physical Random Access Channel (PRACH) time domain resource is located;
- t_id is the PRACH time domain resource The number of the time slot where the first time slot is located;
- OFDM Orthogonal Frequency Division Multiplexing
- f_id is the number of the PRACH transmission opportunity RO in the frequency domain on the PRACH time domain resource
- A is any one of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the number of time slots included in the preset time window;
- B is any of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the value of the RO for frequency-division multiplexing (FDM) on the PRACH time domain resources Number
- ul_carrier_id is any one of the following values: the natural number configured by the network device, the preset value, and the value indicated by the terminal device;
- n1, n2, n3, n4, and n5 are preset coefficients, and the values of the coefficients can be selected as integers;
- E_id is a variable related to the type of random access.
- the variable may optionally be the number of the random access type, and its value is an integer.
- E_id can be selected as a binary variable; for example, E_id is equal to 0 or 1, 0 means 4-step RACH, and 1 means 2-step RACH; Or, 0 means 2-step RACH, and 1 means 4-step RACH.
- RA-RNTI 1+s_id+14 ⁇ t_id+14 ⁇ 80 ⁇ f_id+14 ⁇ 80 ⁇ 8 ⁇ ul_carrier_id+14 ⁇ 80 ⁇ 8 ⁇ 2 ⁇ ra_type_id; among them, ra_type_id represents the type of random access, and 0 represents 4- step RACH, 1 means 2-step RACH.
- RA-RNTI 1+ra_type_id+2 ⁇ s_id+2 ⁇ 14 ⁇ t_id+2 ⁇ 14 ⁇ 80 ⁇ f_id+2 ⁇ 14 ⁇ 80 ⁇ 8 ⁇ ul_carrier_id; among them, ra_type_id represents the type of random access, and 0 represents 4- step RACH, 1 means 2-step RACH.
- RA-RNTI 1+s_id+14 ⁇ t_id+14 ⁇ 80 ⁇ f_id+14 ⁇ 80 ⁇ 8 ⁇ ra_type_id+14 ⁇ 80 ⁇ 8 ⁇ 2 ⁇ ul_carrier_id; among them, ra_type_id represents the type of random access, and 0 represents 4- step RACH, 1 means 2-step RACH.
- FIG. 2 is a flowchart of an information detection method provided by an embodiment of the present disclosure. The method is applied to a terminal device. As shown in FIG. 2, the method includes the following steps:
- Step 201 Detect the target DCI according to the current type of random access.
- the target DCI is used to schedule a random access response message corresponding to the current random access type.
- the target DCI can be understood as the DCI required by the terminal device. For example, if the current random access type is 4-step RACH, the target DCI is used to schedule Msg2 messages; or, if the current random access type is 2-step RACH, then the target DCI is used to schedule MsgB messages.
- the foregoing detection target DCI can be achieved by detecting the corresponding PDCCH.
- the information detection method of the embodiments of the present disclosure by detecting the target DCI according to the current type of random access, the understanding of the network equipment and the terminal equipment during the random access process can be kept consistent, and it is ensured that at least two types of random access are supported at the same time.
- the terminal device can receive corresponding random access response messages differently, thereby ensuring the correctness of subsequent data analysis and the successful completion of the random access process.
- step 201 may include:
- blind detection of DCI among them, blind detection of DCI can be achieved by blind detection of PDCCH;
- the random access response message scheduled by the blindly detected DCI corresponds to the current random access type, determining that the blindly detected DCI is a target DCI;
- the indication information is used to indicate the type of random access corresponding to the random access response message scheduled by the blindly detected DCI.
- the method may further include:
- the preset mode includes any one of the following:
- the received data block scheduled by the blindly detected DCI is discarded.
- the method may further include:
- the PDCCH configuration information includes at least two types of search space configuration information, and each type of search space configuration information is configured for scheduling a DCI of a response message of a random access type.
- the step 201 may include:
- the target search space corresponds to the type of the current random access.
- the step 201 may include:
- the RA-RNTI is related to the current type of random access.
- the foregoing detection of the target DCI scrambled by the RA-RNTI can be understood as using the RA-RNTI to descramble the DCI to detect the target DCI scrambled by the RA-RNTI.
- the RA-RNTI is calculated using the following formula:
- RA-RNTI 1+n1 ⁇ s_id+n2 ⁇ 14 ⁇ t_id+n3 ⁇ 14 ⁇ A ⁇ f_id+n4 ⁇ 14 ⁇ A ⁇ B ⁇ ul_carrier_id+n5 ⁇ E_id;
- s_id is the OFDM symbol number where the first symbol of the PRACH time domain resource is located;
- t_id is the time slot number where the first time slot of the PRACH time domain resource is located;
- f_id is the number of the RO on the PRACH time domain resource in the frequency domain Numbering;
- A is any one of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the number of time slots included in the preset time window;
- B is any one of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the number of ROs that perform FDM on the PRACH time domain resource;
- ul_carrier_id is any one of the following values: the natural number configured by the network device, the preset value, and the value indicated by the terminal device;
- n1, n2, n3, n4 and n5 are preset coefficients
- E_id is a variable related to the type of random access.
- FIG. 3 is a schematic structural diagram of a network device provided by an embodiment of the present disclosure.
- the network device 30 includes:
- the first sending module 31 is configured to send DCI to the terminal device according to the current random access type
- the DCI is used to schedule a random access response message corresponding to the current random access type.
- the network device of the embodiment of the present disclosure sends DCI to the terminal device according to the current random access type.
- the DCI is used to schedule the random access response message corresponding to the current random access type, so that the network device and the terminal device can be randomly selected.
- the understanding during the access process is consistent to ensure that when supporting at least two types of random access at the same time, the terminal device can distinguish the corresponding random access response messages, thereby ensuring the correctness of subsequent data analysis and the random access process The successful completion.
- the DCI includes indication information, and the indication information is used to indicate the type of random access corresponding to the random access response message scheduled by the DCI.
- the network device further includes:
- the second sending module is configured to send PDCCH configuration information to the terminal device
- the PDCCH configuration information includes at least two types of search space configuration information, and each type of search space configuration information is configured for scheduling a DCI of a response message of a random access type.
- the first sending module is specifically configured to:
- the target search space corresponds to the type of the current random access.
- the DCI is scrambled by RA-RNTI, and the RA-RNTI is related to the current random access type.
- the RA-RNTI is calculated using the following formula:
- RA-RNTI 1+n1 ⁇ s_id+n2 ⁇ 14 ⁇ t_id+n3 ⁇ 14 ⁇ A ⁇ f_id+n4 ⁇ 14 ⁇ A ⁇ B ⁇ ul_carrier_id+n5 ⁇ E_id;
- s_id is the number of the OFDM symbol where the first symbol of the PRACH time domain resource is located;
- t_id is the number of the time slot where the first time slot of the PRACH time domain resource is located;
- f_id is the number of the RO on the PRACH time domain resource in the frequency domain Numbering;
- A is any one of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the number of time slots included in the preset time window;
- B is any one of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the number of ROs that perform FDM on the PRACH time domain resource;
- ul_carrier_id is any one of the following values: the natural number configured by the network device, the preset value, and the value indicated by the terminal device;
- n1, n2, n3, n4 and n5 are preset coefficients
- E_id is a variable related to the type of random access.
- FIG. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure. As shown in FIG. 4, the terminal device 40 includes:
- the detection module 41 is configured to detect the target DCI according to the current type of random access
- the target DCI is used to schedule a random access response message corresponding to the current random access type.
- the terminal device of the embodiment of the present disclosure detects the target DCI according to the current type of random access, so that the network device and the terminal device have the same understanding during the random access process, ensuring that at least two types of random access are supported at the same time
- the terminal device can receive the corresponding random access response message differently, so as to ensure the correctness of subsequent data analysis and the successful completion of the random access process.
- the detection module 41 includes:
- a determining unit configured to determine whether the random access response message scheduled by the blindly detected DCI corresponds to the current random access type according to the indication information included in the blindly detected DCI;
- a determining unit configured to determine that the blindly detected DCI is a target DCI when the random access response message scheduled by the blindly detected DCI corresponds to the current random access type
- the indication information is used to indicate the type of random access corresponding to the random access response message scheduled by the blindly detected DCI.
- the determining unit is further configured to:
- the terminal device also includes:
- a processing module configured to process the blindly detected DCI scheduled data block in a preset manner
- the preset mode includes any one of the following:
- the received data block scheduled by the blindly detected DCI is discarded.
- the terminal device further includes:
- the receiving module is used to receive the PDCCH configuration information sent by the network device;
- the PDCCH configuration information includes at least two types of search space configuration information, and each type of search space configuration information is configured for scheduling a DCI of a response message of a random access type.
- the detection module 41 is specifically configured to:
- the target search space corresponds to the type of the current random access.
- the detection module 41 is specifically configured to:
- the RA-RNTI is related to the current type of random access.
- the RA-RNTI is calculated using the following formula:
- RA-RNTI 1+n1 ⁇ s_id+n2 ⁇ 14 ⁇ t_id+n3 ⁇ 14 ⁇ A ⁇ f_id+n4 ⁇ 14 ⁇ A ⁇ B ⁇ ul_carrier_id+n5 ⁇ E_id;
- s_id is the OFDM symbol number where the first symbol of the PRACH time domain resource is located;
- t_id is the time slot number where the first time slot of the PRACH time domain resource is located;
- f_id is the number of the RO on the PRACH time domain resource in the frequency domain Numbering;
- A is any one of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the number of time slots included in the preset time window;
- B is any one of the following values: the natural number configured by the network device, the preset value, the value indicated by the terminal device, and the number of ROs that perform FDM on the PRACH time domain resource;
- ul_carrier_id is any one of the following values: the natural number configured by the network device, the preset value, and the value indicated by the terminal device;
- n1, n2, n3, n4 and n5 are preset coefficients
- E_id is a variable related to the type of random access.
- embodiments of the present disclosure also provide a network device, including a processor, a memory, and a computer program stored on the memory and capable of running on the processor, wherein the computer program is executed by the processor
- a network device including a processor, a memory, and a computer program stored on the memory and capable of running on the processor, wherein the computer program is executed by the processor
- the embodiments of the present disclosure also provide a terminal device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program is executed when the processor is executed
- a terminal device including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program is executed when the processor is executed
- FIG. 5 is a schematic diagram of the hardware structure of a terminal device that implements various embodiments of the present disclosure.
- the terminal device 500 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, The display unit 506, the user input unit 507, the interface unit 508, the memory 509, the processor 510, and the power supply 511 and other components.
- a radio frequency unit 501 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505,
- the structure of the terminal device shown in FIG. 5 does not constitute a limitation on the terminal device, and the terminal device may include more or less components than shown in the figure, or a combination of certain components, or different components Layout.
- terminal devices include but are not
- the processor 510 is configured to detect a target DCI according to the current type of random access; the target DCI is configured to schedule a random access response message corresponding to the current type of random access.
- the understanding of the network device and the terminal device in the random access process can be kept consistent, and it is ensured that the terminal device can distinguish the corresponding random access when supporting at least two types of random access at the same time. Respond to the message to ensure the correctness of subsequent data analysis and the successful completion of the random access process.
- the radio frequency unit 501 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving downlink data from the base station, it is processed by the processor 510; Uplink data is sent to the base station.
- the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the radio frequency unit 501 can also communicate with the network and other devices through a wireless communication system.
- the terminal device provides users with wireless broadband Internet access through the network module 502, such as helping users to send and receive emails, browse web pages, and access streaming media.
- the audio output unit 503 may convert the audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output it as sound. Moreover, the audio output unit 503 may also provide audio output related to a specific function performed by the terminal device 500 (for example, call signal reception sound, message reception sound, etc.).
- the audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 504 is used to receive audio or video signals.
- the input unit 504 may include a graphics processing unit (GPU) 5041 and a microphone 5042.
- the graphics processor 5041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in the video capture mode or the image capture mode. Data is processed.
- the processed image frame may be displayed on the display unit 506.
- the image frame processed by the graphics processor 5041 may be stored in the memory 509 (or other storage medium) or sent via the radio frequency unit 501 or the network module 502.
- the microphone 5042 can receive sound and can process such sound into audio data.
- the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 501 for output in the case of a telephone call mode.
- the terminal device 500 also includes at least one sensor 505, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor.
- the ambient light sensor can adjust the brightness of the display panel 5061 according to the brightness of the ambient light.
- the proximity sensor can close the display panel 5061 and the display panel 5061 when the terminal device 500 is moved to the ear. / Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the terminal device (such as horizontal and vertical screen switching, related games , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 505 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.
- the display unit 506 is used to display information input by the user or information provided to the user.
- the display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 507 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal device.
- the user input unit 507 includes a touch panel 5071 and other input devices 5072.
- the touch panel 5071 also called a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 5071 or near the touch panel 5071. operating).
- the touch panel 5071 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the user's touch position, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 510, the command sent by the processor 510 is received and executed.
- the touch panel 5071 can be realized in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 507 may also include other input devices 5072.
- other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
- the touch panel 5071 can be overlaid on the display panel 5061.
- the touch panel 5071 detects a touch operation on or near it, it transmits it to the processor 510 to determine the type of the touch event, and then the processor 510 determines the type of the touch event according to the touch.
- the type of event provides corresponding visual output on the display panel 5061.
- the touch panel 5071 and the display panel 5061 are used as two independent components to implement the input and output functions of the terminal device, in some embodiments, the touch panel 5071 and the display panel 5061 can be integrated
- the implementation of the input and output functions of the terminal device is not specifically limited here.
- the interface unit 508 is an interface for connecting an external device and the terminal device 500.
- the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
- the interface unit 508 can be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal device 500 or can be used to connect to the terminal device 500 and an external device. Transfer data between devices.
- the memory 509 can be used to store software programs and various data.
- the memory 509 may mainly include a program storage area and a data storage area.
- the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones.
- the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
- the processor 510 is the control center of the terminal device. It uses various interfaces and lines to connect the various parts of the entire terminal device, runs or executes the software programs and/or modules stored in the memory 509, and calls data stored in the memory 509 , Perform various functions of terminal equipment and process data, so as to monitor the terminal equipment as a whole.
- the processor 510 may include one or more processing units; optionally, the processor 510 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc.
- the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 510.
- the terminal device 500 may also include a power source 511 (such as a battery) for supplying power to various components.
- a power source 511 such as a battery
- the power source 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
- terminal device 500 may also include some functional modules not shown, which will not be repeated here.
- the network device 60 includes but is not limited to: a bus 61, a transceiver 62, an antenna 63, a bus interface 64, a processor 65, and a memory 66.
- the network device 60 further includes a computer program stored in the memory 66 and capable of running on the processor 65. Wherein, when the computer program is executed by the processor 65, the following steps are implemented:
- the DCI is sent to the terminal device; wherein the DCI is used to schedule a random access response message corresponding to the current random access type.
- the transceiver 62 is used to receive and send data under the control of the processor 65.
- bus 61 can include any number of interconnected buses and bridges, bus 61 will include one or more processors represented by processor 65 and memory represented by memory 66 The various circuits are linked together.
- the bus 61 can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface 64 provides an interface between the bus 61 and the transceiver 62.
- the transceiver 62 may be one element or multiple elements, such as multiple receivers and transmitters, and provide a unit for communicating with various other devices on the transmission medium.
- the data processed by the processor 65 is transmitted on the wireless medium through the antenna 63, and further, the antenna 63 also receives the data and transmits the data to the processor 65.
- the processor 65 is responsible for managing the bus 61 and general processing, and can also provide various functions, including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
- the memory 66 may be used to store data used by the processor 65 when performing operations.
- the processor 65 may be a CPU, ASIC, FPGA or CPLD.
- the embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
- a computer program is stored.
- the computer program is executed by a processor, each process of the foregoing information sending method embodiment is implemented, or the foregoing information detection method is implemented
- Each process of the example can achieve the same technical effect. To avoid repetition, I won’t repeat it here.
- the computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk, or an optical disk.
- the technical solution of the present disclosure can be embodied in the form of a software product in essence or the part that contributes to the related technology.
- the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk). ) Includes several instructions to make a terminal device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present disclosure.
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Abstract
Description
Claims (29)
- 一种信息发送方法,应用于网络设备,包括:根据当前随机接入的类型,向终端设备发送下行控制信息DCI;其中,所述DCI用于调度所述当前随机接入的类型对应的随机接入响应消息。
- 根据权利要求1所述的方法,其中,所述DCI中包括指示信息,所述指示信息用于指示所述DCI调度的随机接入响应消息对应的随机接入的类型。
- 根据权利要求1所述的方法,其中,所述根据当前随机接入的类型,向终端设备发送下行控制信息DCI之前,所述方法还包括:向所述终端设备发送物理下行控制信道PDCCH配置信息;其中,所述PDCCH配置信息包括至少两种搜索空间配置信息,每种搜索空间配置信息是为调度一种随机接入类型的响应消息的DCI所配置。
- 根据权利要求3所述的方法,其中,所述根据当前随机接入的类型,向终端设备发送下行控制信息DCI,包括:在目标搜索空间上向所述终端设备发送所述DCI;其中,所述目标搜索空间与所述当前随机接入的类型对应。
- 根据权利要求1所述的方法,其中,所述DCI由随机接入无线网络临时标识RA-RNTI加扰,所述RA-RNTI与所述当前随机接入的类型相关。
- 根据权利要求5所述的方法,其中,所述RA-RNTI采用如下公式计算得到:RA-RNTI=1+n1×s_id+n2×14×t_id+n3×14×A×f_id+n4×14×A×B×ul_carrier_id+n5×E_id;其中,s_id为物理随机接入信道PRACH时域资源的第一个符号所在的正交频分复用OFDM符号编号;t_id为PRACH时域资源的第一个时隙所在的时隙编号;f_id为PRACH时域资源上PRACH传输时机RO在频域上的编号;A为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、预设时间窗内包含的时隙的个数;B为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、在PRACH时域资源上进行频分多路复用FDM的RO的个数;ul_carrier_id为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值;n1、n2、n3、n4和n5为预设系数;E_id为与随机接入的类型相关的变量。
- 一种信息检测方法,应用于终端设备,包括:根据当前随机接入的类型,检测目标DCI;其中,所述目标DCI用于调度所述当前随机接入的类型对应的随机接入响应消息。
- 根据权利要求7所述的方法,其中,所述根据当前随机接入的类型,检测目标DCI,包括:盲检测DCI;根据盲检测到的DCI中包括的指示信息,判断所述盲检测到的DCI调度的随机接入响应消息是否与所述当前随机接入的类型对应;当所述盲检测到的DCI调度的随机接入响应消息与所述当前随机接入的类型对应时,确定所述盲检测到的DCI为目标DCI;其中,所述指示信息用于指示所述盲检测到的DCI调度的随机接入响应消息对应的随机接入的类型。
- 根据权利要求8所述的方法,还包括:当所述盲检测到的DCI调度的随机接入响应消息不与所述当前随机接入的类型对应时,确定所述盲检测到的DCI不是目标DCI;采用预设方式对所述盲检测到的DCI调度的数据块进行处理;其中,所述预设方式包括如下任意一种:不接收所述盲检测到的DCI调度的数据块;丢弃接收到的所述盲检测到的DCI调度的数据块。
- 根据权利要求7所述的方法,其中,所述根据当前随机接入的类型,检测目标DCI之前,所述方法还包括:接收网络设备发送的PDCCH配置信息;其中,所述PDCCH配置信息包括至少两种搜索空间配置信息,每种搜索空间配置信息是为调度一种随机接入类型的响应消息的DCI所配置。
- 根据权利要求10所述的方法,其中,所述根据当前随机接入的类型,检测目标DCI,包括:根据所述当前随机接入的类型以及所述PDCCH配置信息,在目标搜索空间上检测所述目标DCI;其中,所述目标搜索空间与所述当前随机接入的类型对应。
- 根据权利要求7所述的方法,其中,所述根据当前随机接入的类型,检测目标DCI,包括:根据所述当前随机接入的类型,检测由RA-RNTI加扰的目标DCI;其中,所述RA-RNTI与所述当前随机接入的类型相关。
- 根据权利要求12所述的方法,其中,所述RA-RNTI采用如下公式计算得到:RA-RNTI=1+n1×s_id+n2×14×t_id+n3×14×A×f_id+n4×14×A×B×ul_carrier_id+n5×E_id;其中,s_id为PRACH时域资源的第一个符号所在的OFDM符号编号;t_id为PRACH时域资源的第一个时隙所在的时隙编号;f_id为PRACH时域资源上RO在频域上的编号;A为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、预设时间窗内包含的时隙的个数;B为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、在PRACH时域资源上进行FDM的RO的个数;ul_carrier_id为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值;n1、n2、n3、n4和n5为预设系数;E_id为与随机接入的类型相关的变量。
- 一种网络设备,包括:第一发送模块,用于根据当前随机接入的类型,向终端设备发送DCI;其中,所述DCI用于调度所述当前随机接入的类型对应的随机接入响应消息。
- 根据权利要求14所述的网络设备,其中,所述DCI中包括指示信息,所述指示信息用于指示所述DCI调度的随机接入响应消息对应的随机接入的类型。
- 根据权利要求14所述的网络设备,还包括:第二发送模块,用于向所述终端设备发送PDCCH配置信息;其中,所述PDCCH配置信息包括至少两种搜索空间配置信息,每种搜索空间配置信息是为调度一种随机接入类型的响应消息的DCI所配置。
- 根据权利要求16所述的网络设备,其中,所述第一发送模块具体用于:在目标搜索空间上向所述终端设备发送所述DCI;其中,所述目标搜索空间与所述当前随机接入的类型对应。
- 根据权利要求14所述的网络设备,其中,所述DCI由RA-RNTI加扰,所述RA-RNTI与所述当前随机接入的类型相关。
- 根据权利要求18所述的网络设备,其中,所述RA-RNTI采用如下公式计算得到:RA-RNTI=1+n1×s_id+n2×14×t_id+n3×14×A×f_id+n4×14×A×B×ul_carrier_id+n5×E_id;其中,s_id为PRACH时域资源的第一个符号所在的OFDM符号编号;t_id为PRACH时域资源的第一个时隙所在的时隙编号;f_id为PRACH时域资源上RO在频域上的编号;A为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、预设时间窗内包含的时隙的个数;B为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、在PRACH时域资源上进行FDM的RO的个数;ul_carrier_id为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值;n1、n2、n3、n4和n5为预设系数;E_id为与随机接入的类型相关的变量。
- 一种终端设备,包括:检测模块,用于根据当前随机接入的类型,检测目标DCI;其中,所述目标DCI用于调度所述当前随机接入的类型对应的随机接入响应消息。
- 根据权利要求20所述的终端设备,其中,所述检测模块包括:检测单元,用于盲检测DCI;判断单元,用于根据盲检测到的DCI中包括的指示信息,判断所述盲检测到的DCI调度的随机接入响应消息是否与所述当前随机接入的类型对应;确定单元,用于当所述盲检测到的DCI调度的随机接入响应消息与所述当前随机接入的类型对应时,确定所述盲检测到的DCI为目标DCI;其中,所述指示信息用于指示所述盲检测到的DCI调度的随机接入响应消息对应的随机接入的类型。
- 根据权利要求21所述的终端设备,其中,所述确定单元还用于:当所述盲检测到的DCI调度的随机接入响应消息不与所述当前随机接入的类型对应时,确定所述盲检测到的DCI不是目标DCI;所述终端设备还包括:处理模块,用于采用预设方式对所述盲检测到的DCI调度的数据块进行处理;其中,所述预设方式包括如下任意一种:不接收所述盲检测到的DCI调度的数据块;丢弃接收到的所述盲检测到的DCI调度的数据块。
- 根据权利要求20所述的终端设备,还包括:接收模块,用于接收网络设备发送的PDCCH配置信息;其中,所述PDCCH配置信息包括至少两种搜索空间配置信息,每种搜索空间配置信息是为调度一种随机接入类型的响应消息的DCI所配置。
- 根据权利要求23所述的终端设备,其中,所述检测模块具体用于:根据所述当前随机接入的类型以及所述PDCCH配置信息,在目标搜索空间上检测所述目标DCI;其中,其中,所述目标搜索空间与所述当前随机接入的类型对应。
- 根据权利要求20所述的终端设备,其中,所述检测模块具体用于:根据所述当前随机接入的类型,检测由RA-RNTI加扰的目标DCI;其中,所述RA-RNTI与所述当前随机接入的类型相关。
- 根据权利要求25所述的终端设备,其中,所述RA-RNTI采用如下公式计算得到:RA-RNTI=1+n1×s_id+n2×14×t_id+n3×14×A×f_id+n4×14×A×B×ul_carrier_id+n5×E_id;其中,s_id为PRACH时域资源的第一个符号所在的OFDM符号编号;t_id为PRACH时域资源的第一个时隙所在的时隙编号;f_id为PRACH时域资源上RO在频域上的编号;A为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、预设时间窗内包含的时隙的个数;B为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值、在PRACH时域资源上进行FDM的RO的个数;ul_carrier_id为如下数值中的任意一项:网络设备配置的自然数、预设值、终端设备指示的数值;n1、n2、n3、n4和n5为预设系数;E_id为与随机接入的类型相关的变量。
- 一种网络设备,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中,所述计算机程序被所述处理器执行时实现如权利要求1至6中任一项所述的信息发送方法的步骤。
- 一种终端设备,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中,所述计算机程序被所述处理器执行时实现如权利要求7至13中任一项所述的信息检测方法的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质上存储有计算 机程序,其中,所述计算机程序被处理器执行时实现如权利要求1至6中任一项所述的信息发送方法的步骤,或者如权利要求7至13中任一项所述的信息检测方法的步骤。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
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KR1020217026700A KR20210119470A (ko) | 2019-01-30 | 2020-01-22 | 정보 송신 방법, 정보 검측 방법, 단말 기기 및 네트워크 기기 |
CA3128281A CA3128281C (en) | 2019-01-30 | 2020-01-22 | Information transmission method, information detection method, terminal device, and network device |
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US20220183078A1 (en) * | 2019-03-27 | 2022-06-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Method, Apparatus for Monitoring PDCCH in Random Access Procedure |
CN117676904A (zh) * | 2019-04-30 | 2024-03-08 | 华为技术有限公司 | 一种随机接入方法、装置及存储介质 |
CN111989973A (zh) * | 2020-06-24 | 2020-11-24 | 北京小米移动软件有限公司 | 信息传输方法、装置、通信设备和存储介质 |
WO2022040895A1 (en) * | 2020-08-25 | 2022-03-03 | Zte Corporation | Method and apparatus related to radio network temporary identifier |
CN115515249A (zh) * | 2021-06-22 | 2022-12-23 | 华为技术有限公司 | 一种随机接入方法及装置 |
CN115996477A (zh) * | 2021-10-20 | 2023-04-21 | 华为技术有限公司 | 一种通信方法及装置 |
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CN108632987A (zh) * | 2017-03-17 | 2018-10-09 | 华硕电脑股份有限公司 | 无线通信中应用于随机接入程序的后退机制的方法和设备 |
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WO2016070424A1 (zh) | 2014-11-07 | 2016-05-12 | 华为技术有限公司 | 一种物理下行控制信道的传输方法、基站设备及用户设备 |
US10536895B2 (en) * | 2015-05-13 | 2020-01-14 | Lg Electronics Inc. | Method and apparatus for performing initial access procedure for low cost user equipment in wireless communication system |
WO2017052199A1 (en) * | 2015-09-25 | 2017-03-30 | Lg Electronics Inc. | Method and user equipment for receiving downlink control information, and method and base station for transmitting downlink control information |
US10172162B2 (en) * | 2016-01-26 | 2019-01-01 | Lg Electronics Inc. | Method for performing a random access procedure in wireless communication system and a device therefor |
CN107453840B (zh) * | 2016-05-30 | 2021-08-10 | 北京三星通信技术研究有限公司 | 一种资源的调度方法和设备 |
CN107820318A (zh) * | 2016-09-10 | 2018-03-20 | 北京信威通信技术股份有限公司 | 一种发送信息的方法及装置 |
JP2020510372A (ja) | 2017-03-23 | 2020-04-02 | エルジー エレクトロニクス インコーポレイティド | ランダムアクセス過程を行う方法及びそのための装置 |
EP3934330A1 (en) * | 2017-06-07 | 2022-01-05 | Samsung Electronics Co., Ltd. | System and method of identifying random access response |
JP7444892B2 (ja) | 2019-01-10 | 2024-03-06 | アップル インコーポレイテッド | 2ステップrachのためのフォールバック手順 |
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CN108632987A (zh) * | 2017-03-17 | 2018-10-09 | 华硕电脑股份有限公司 | 无线通信中应用于随机接入程序的后退机制的方法和设备 |
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