WO2023226038A1 - Procédé et appareil d'attribution de ressources dans un système de communication, dispositif, et support de stockage - Google Patents
Procédé et appareil d'attribution de ressources dans un système de communication, dispositif, et support de stockage Download PDFInfo
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Definitions
- the present disclosure relates to the field of communication technology, and in particular, to a resource allocation method/device/equipment and a storage medium.
- the Integrated Sensing and Communications (ISAC) system i.e., synaesthesia integrated system, or synaesthesia system, or communication radar integration (radar and communication, radcom) system
- IC Integrated Sensing and Communications
- a continuous subcarrier allocation scheme is usually used to allocate subcarriers to different sensing devices.
- the total number of subcarriers corresponding to one frequency domain symbol is 784, and there are 4 sensing devices (such as user equipment ( User Equipment (UE)), respectively, are UE-A, UE-B, UE-C, and UE-D.
- UE-A occupies the 1-196th consecutive subcarriers
- UE-B occupies the 197th-392nd consecutive subcarriers.
- FIG. 1 and Figure 2 are schematic diagrams of time-frequency domain resources from UE-A to UE-D under the continuous subcarrier allocation scheme.
- the subcarriers not occupied by UE-A are represented by black parts, and the subcarriers occupied by UE-A are represented by The white part indicates.
- the subcarrier locations allocated to the same UE in different time domain resources can be fixed.
- the subcarrier locations allocated to the same UE in different time domain resources can also be random. Variety.
- the continuous allocation scheme in the related art will cause the subcarriers allocated to the UE to be continuous, which will lead to large signal correlation, which will affect the detection effect of the sensing device.
- the modulation method is Quadrature Phase Shift Keying (QPSK) and the signal-to-noise ratio (Signal to Noise Ratio, SNR) is set to 0dB
- Figure 3a and Figure 3b are respectively under the method shown in Figure 1
- Figure 4a and Figure 4b are respectively the stereoscopic view and plan view of the radar image of UE-A detecting other UEs under the method shown in Figure 2.
- the resource allocation method/device/equipment and storage medium proposed by this disclosure are used to improve the detection performance of the synaesthesia system for moving objects.
- an embodiment of the present disclosure provides a resource allocation method, which method includes:
- the resource allocation plan is determined to be: resource allocation based on DRP interleaver;
- a DRP interleaver is introduced to allocate resources to sensing devices to allocate non-consecutive subcarriers to sensing devices, thereby reducing the correlation between subcarriers of sensing devices and ensuring that sensing devices can accurately detect other sensing devices.
- the distance and speed enhance the perception effect and performance.
- an embodiment of the present disclosure provides a resource allocation device, which includes:
- a processing module used to determine the resource allocation plan resource allocation based on the DRP interleaver;
- the processing module is also used to allocate resources using the resource allocation plan
- a transceiver module configured to send resource information, where the resource information is used to determine allocated resources.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor.
- the processor calls a computer program in a memory, it executes the method described in the first aspect.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
- an embodiment of the present disclosure provides a communication device.
- the device includes a processor and an interface circuit.
- the interface circuit is used to receive code instructions and transmit them to the processor.
- the processor is used to run the code instructions to cause the The device performs the method described in the first aspect.
- embodiments of the present disclosure provide a communication system.
- the system includes the communication device described in the second aspect, or the system includes the communication device described in the third aspect, or the system includes the communication device described in the fourth aspect.
- the communication device, or the system includes the communication device described in the fifth aspect.
- embodiments of the present invention provide a computer-readable storage medium for storing instructions used by the network device. When the instructions are executed, the terminal device executes the method of the first aspect.
- the present disclosure also provides a computer program product including a computer program, which when run on a computer causes the computer to execute the method described in the first aspect.
- the present disclosure provides a chip system.
- the chip system includes at least one processor and an interface for supporting a network device to implement the functions involved in the method described in the first aspect, for example, determining or processing the functions involved in the above method. At least one of the data and information involved.
- the chip system further includes a memory, and the memory is used to store necessary computer programs and data of the source secondary node.
- the chip system may be composed of chips, or may include chips and other discrete devices.
- the present disclosure provides a computer program that, when run on a computer, causes the computer to execute the method described in the first aspect.
- Figure 1 is a schematic diagram of the time and frequency domain resources of UE-A of the subcarrier continuous allocation scheme provided by an embodiment of the present disclosure
- Figure 2 is a schematic diagram of the time and frequency domain resources of UE-A of the subcarrier continuous allocation scheme provided by an embodiment of the present disclosure
- Figure 3a is a three-dimensional schematic diagram of a radar image of UE-A detecting all other UEs in Figure 1 provided by an embodiment of the present disclosure
- Figure 3b is a schematic radar image plane diagram of UE-A detecting all other UEs in Figure 1 provided by an embodiment of the present disclosure
- Figure 4a is a three-dimensional schematic diagram of the radar image of UE-A detecting all other UEs in Figure 2 provided by an embodiment of the present disclosure
- Figure 4b is a schematic radar image plane diagram of UE-A detecting all other UEs in Figure 2 provided by an embodiment of the present disclosure
- Figure 5a is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure.
- Figure 5b is a schematic flowchart of a resource allocation method provided by an embodiment of the present disclosure.
- Figure 6 is a schematic flowchart of a resource allocation method provided by another embodiment of the present disclosure.
- Figure 7a is a schematic flowchart of a resource allocation method provided by yet another embodiment of the present disclosure.
- Figure 7b is a schematic diagram of time-frequency resources of UE-A when resource allocation is performed based on the method shown in Figure 7a according to an embodiment of the present disclosure
- Figures 7c and 7d are a perspective view and a plan view of radar detection of sensing equipment using the method shown in Figure 7a provided by an embodiment of the present disclosure
- Figure 8a is a schematic flowchart of a resource allocation method provided by yet another embodiment of the present disclosure.
- Figure 8b is a schematic diagram of time-frequency resources of UE-A when resource allocation is performed based on the method shown in Figure 8a according to an embodiment of the present disclosure
- Figures 8c and 8d are a perspective view and a plan view of radar detection of sensing equipment using the method shown in Figure 8a provided by an embodiment of the present disclosure
- Figure 9 is a schematic structural diagram of a resource allocation device provided by an embodiment of the present disclosure.
- Figure 10 is a block diagram of a user equipment provided by an embodiment of the present disclosure.
- Figure 11 is a block diagram of a network side device provided by an embodiment of the present disclosure.
- first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
- first information may also be called second information, and similarly, the second information may also be called first information.
- the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
- Figure 5a is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure.
- the communication system may include but is not limited to one network device and one terminal device.
- the number and form of devices shown in Figure 5a are only for examples and do not constitute a limitation on the embodiments of the present disclosure. In actual applications, two or more devices may be included.
- the communication system shown in Figure 5a includes a network device 11 and a terminal device 12 as an example.
- LTE long term evolution
- 5th generation fifth generation
- 5G new radio (NR) system 5th generation new radio
- the network device 11 in the embodiment of the present disclosure is an entity on the network side that is used to transmit or receive signals.
- the network device 11 may be an evolved base station (evolved NodeB, eNB), a transmission reception point (TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or other base stations in future mobile communication systems. Base stations or access nodes in wireless fidelity (WiFi) systems, etc.
- the embodiments of the present disclosure do not limit the specific technologies and specific equipment forms used by network equipment.
- the network equipment provided by the embodiments of the present disclosure may be composed of a centralized unit (CU) and a distributed unit (DU).
- the CU may also be called a control unit (control unit).
- CU-DU is used.
- the structure can separate the protocol layers of network equipment, such as base stations, and place some protocol layer functions under centralized control on the CU. The remaining part or all protocol layer functions are distributed in the DU, and the CU centrally controls the
- the terminal device 12 in the embodiment of the present disclosure is an entity on the user side for receiving or transmitting signals, such as a mobile phone.
- Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT), etc.
- the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
- the embodiments of the present disclosure do not limit the specific technology and specific equipment form used by the terminal equipment.
- the sensing device involved in this disclosure may refer to a user device with sensing capabilities, that is, it may have the ability to actively sense and/or be sensed. With the assistance of radar, communication systems can achieve more accurate and efficient mutual perception between sensing devices.
- Figure 5b is a schematic flowchart of a resource allocation method provided by an embodiment of the present disclosure. As shown in Figure 5b, the resource allocation method may include the following steps:
- Step 501 Determine the resource allocation plan: resource allocation based on a Dithered Relative PriIIle (DRP) interleaver.
- DRP Dithered Relative PriIIle
- this method can be applied to an ad hoc network, so that multiple sensing devices in the ad hoc network detect each other.
- the sensing device may be a UE.
- the above-mentioned method of determining a resource allocation plan may include at least one of the following:
- Method 1 Determine the resource allocation plan based on the configuration of the base station.
- determining the resource allocation scheme based on the configuration of the base station may include at least one of the following:
- Radio Resource Control (Ratio Resource Control, RRC) signaling.
- the base station configures "time-frequency domain resources: subcarrier spacing 60KHz" and "resource allocation scheme: resource allocation based on DRP interleaver". Then, if the subcarrier spacing of the currently used time domain resources is 60KHz, it can be determined that the corresponding resource allocation scheme is: resource allocation based on a DRP interleaver.
- the same signaling can be used to configure the resource allocation plan and the time-frequency domain resources associated with the resource allocation plan, or different signaling can be used to configure the resource allocation plan and the resource allocation plan respectively.
- Associated time-frequency domain resources can be used to configure the resource allocation plan and the time-frequency domain resources.
- the base station will pre-configure (for example, configure in advance using RRC signaling) multiple alternative resource allocation schemes, and then dynamically indicate which one to select each time through dynamic signaling.
- Alternative resource allocation schemes for resource allocation may be downlink control information (Downlink Control Information, DCI) signaling and/or media access control control element (Media Access Control-Control Element, MAC-CE). ) signaling.
- DCI Downlink Control Information
- MAC-CE media access control control element
- Method 2 Determine the resource allocation plan based on the configuration of core network equipment.
- Method 3 Determine the resource allocation plan based on the agreement.
- the implementation of method 3 may include at least one of the following:
- Method 4 Determine the resource allocation plan yourself.
- Step 502 Allocate resources using a resource allocation plan.
- Step 503 Send resource information, which is used to determine allocated resources.
- the resource information may specifically include frequency domain resources correspondingly allocated to each sensing device.
- the resource allocation scheme is first determined to be: resource allocation based on the DRP interleaver, and then the resource allocation scheme is used for resource allocation, and then the resource information is sent.
- the information is used to determine allocated resources.
- a DRP interleaver is introduced to allocate resources to the sensing device, so as to allocate non-consecutive subcarriers to the sensing device, thereby reducing the correlation between the subcarriers of the sensing device and ensuring that the sensing device It can accurately detect the distance and speed of other sensing devices, enhancing the sensing effect and performance.
- FIG. 6 is a schematic flowchart of a resource allocation method provided by an embodiment of the present disclosure. As shown in Figure 6a, the resource allocation method may include the following steps:
- Step 601 Determine the resource allocation plan: resource allocation based on the DRP weaver.
- Step 602 Sequentially arrange the N subcarrier indexes in the symbol to obtain a subcarrier index sequence.
- N subcarrier indexes in Orthogonal Frequency Division Multiplexing (OFDM) symbols can be arranged.
- the ways of arranging the subcarrier index sequence may include the following two methods:
- the arranged subcarrier index sequence can be: (0, 1, 2,..., N-1); or
- the arranged subcarrier index sequence can be: (N-1, N-2, N-3, ..., 1, 0).
- Step 603 Use the DRP interleaver to interleave the subcarrier index sequence to obtain an interleaved subcarrier index sequence.
- the interleaving process may specifically include the following steps:
- Step A Determine the parameter information of the DRP interleaver.
- the parameter information of the DRP interleaver includes at least one of the following:
- i is used to indicate the i-th bit of the interleaved subcarrier index sequence
- ⁇ (i) is the value of the i-th bit of the interleaved subcarrier index sequence
- r is the read jitter vector of length R
- w is A write jitter vector of length W
- P represents the regular interleaver period
- s represents a constant offset, where the values of s, P, R, W, r and w are determined based on the parameter value rules.
- the parameter value rule is:
- N can have multiple values, and each value of N corresponds to a parameter value rule.
- the method for determining parameter information of the DRP interleaver may include at least one of the following:
- Step B Determine the values of s, P, R, W, r and w based on N and parameter value rules.
- Step C Calculate the interleaved subcarrier index sequence based on the values of s, P, R, W, r and w and the DRP interleaver algebraic formula.
- the values of s, P, R, W, r and w can be first brought into the above-mentioned DRP interleaver algebraic formula (ie, the above-mentioned formula (1) to formula (3) )), then first calculate the value of ⁇ c (i) according to formula (3), and use the value of ⁇ c (i) as i in formula (2) to calculate the value of ⁇ b (i), and finally The value of ⁇ a (i) is calculated using the value of ⁇ b (i) as i in the formula (1), and the value of ⁇ a (i) is regarded as ⁇ (i).
- the sequence before interleaving is (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- the calculated interleaved sequence may be, for example, (10, 6, 9, 3, 11, 14, 7, 0, 2, 8, 13, 1, 4, 12, 5).
- interleaved subcarrier index sequences corresponding to different symbols may be the same or different.
- Step 604 Group the interleaved subcarrier index sequences to obtain K subcarrier groups, where K is the number of sensing devices, K is a positive integer, and each subcarrier group includes at least one subcarrier index sequence.
- the number of subcarrier indices contained in the K subcarrier groups is the same;
- the number of subcarrier indexes contained in d subcarrier groups in the K subcarrier group is the same, the number of subcarrier indexes contained in other subcarrier groups is the same, and the number of subcarrier indexes contained in the d subcarrier group is the same.
- the number of included subcarrier indexes is 1 more than the number of subcarrier indexes included in other subcarrier groups, where d is the value of N modulo K.
- the interleaved subcarrier index sequence can be divided into 3 subcarrier groups, and the 3 subcarriers
- the number of subcarrier indexes included in the group is the same, for example, it can be 5.
- the interleaved subcarrier index sequence is (10, 6, 9, 3, 11, 14, 7, 0, 2, 8, 13, 1, 4, 12, 5).
- the interleaved subcarriers can be The first five in the subcarrier index sequence are divided into subcarrier group #1 (10, 6, 9, 3, 11), and the sixth to tenth subcarriers in the interleaved subcarrier index sequence are divided into subcarriers Carrier group #2 (14, 7, 0, 2, 8) divides the last five interleaved subcarrier index sequences into subcarrier group #3 (13, 1, 4, 12, 5).
- the interleaved The subcarrier index sequence is divided into 4 subcarrier groups, and there are 3 subcarrier groups in the 4 subcarrier groups that contain the same number of subcarrier indexes.
- the remaining 1 subcarrier group in the 4 subcarrier groups contains The number of subcarrier indexes is different from the number of subcarrier indexes contained in the aforementioned 3 subcarrier groups.
- the number of subcarrier indexes contained in the remaining 1 subcarrier group is greater than the number of subcarrier indexes contained in the aforementioned 3 subcarrier groups.
- the number of subcarrier indexes is 1 less.
- the interleaved subcarrier index sequence may be the above (10, 6, 9, 3, 11, 14, 7, 0, 2, 8, 13, 1, 4, 12, 5).
- the first four in the interleaved subcarrier index sequence can be divided into subcarrier group #1 (10, 6, 9, 3) in order, and the fifth to fourth in the interleaved subcarrier index sequence can be divided into
- the eight subcarrier indexes are divided into subcarrier group #2 (11, 14, 7, 0), and the ninth to twelfth subcarrier indexes in the interleaved subcarrier index sequence are divided into subcarrier group #3 (2 , 8, 13, 1)
- the last three subcarrier indexes in the interleaved subcarrier index sequence are divided into subcarrier group #4 (4, 12, 5).
- the first three and the third to last subcarrier index in the interleaved subcarrier index sequence can be divided into subcarrier group #1 (10, 6, 9, 4), and the interleaved subcarrier index sequence can be The fourth to sixth and penultimate subcarrier indexes are divided into subcarrier group #2 (3, 11, 14, 12), and the seventh to ninth and last subcarrier indexes in the interleaved subcarrier index sequence are A subcarrier index is divided into subcarrier group #3 (7, 0, 2, 5), and finally the tenth to twelfth subcarrier index in the interleaved subcarrier index sequence is divided into subcarrier group #4 ( 8, 13, 1). That is, in the embodiment of the present disclosure, K subcarrier groups can be obtained by dividing in sequence, or the subcarrier indexes in the interleaved subcarrier index sequence can be divided out of order to obtain K subcarrier groups.
- Step 605 Allocate K subcarrier groups to K sensing devices in one-to-one correspondence, where the subcarriers corresponding to the subcarrier index in each subcarrier group are frequency domain resources allocated to the sensing devices.
- K sensing devices may be assigned one-to-one corresponding K subcarrier groups.
- the three sensing devices in the synaesthesia system namely sensing device-A, sensing device-B, and sensing device-C
- the three subcarrier groups obtained are: subcarrier group #1, subcarrier group #2 and subcarrier group #3.
- the corresponding subcarrier group #1 can be assigned to the sensing device-A
- the corresponding subcarrier group #2 can be assigned to the sensing device-B
- the corresponding subcarrier group #3 can be assigned to the sensing device-C.
- the subcarrier group # The subcarrier corresponding to the subcarrier index in 1 can be the frequency domain resource allocated to sensing device-A (for example, when subcarrier group #1 is (10, 6, 9, 3, 11), the subcarrier in the symbol can be The subcarriers with indexes 10, 6, 9, 3, and 11 are determined to be the frequency domain resources of sensing device-A), and the subcarriers corresponding to the subcarrier indexes in subcarrier group #2 can be the frequency domain allocated to sensing device-B.
- the subcarrier corresponding to the subcarrier index in subcarrier group #3 can be the frequency domain resource allocated to sensing device-C (for example, when subcarrier group #3 is (13, 1, 4, 12, 5)
- the subcarriers with subcarrier indexes 13, 1, 4, 12, and 5 in the symbol can be determined as the frequency domain resources of sensing device-B).
- the interleaved subcarrier index sequence can be obtained by interleaving the sequentially arranged subcarrier index sequence based on the DRP interleaver, where the interleaving The subcarrier indexes in the subsequent subcarrier index sequence are randomly arranged. Therefore, steps 604 and 605 are subsequently performed to group the interleaved subcarrier index sequences to obtain subcarrier groups, and after allocating subcarrier groups to the sensing device, the subcarrier indexes in the grouped subcarrier groups are also random. Arranged so that the subcarriers allocated to each sensing device are non-consecutive subcarriers, the signal correlation between the various subcarriers of the sensing device is greatly reduced and the detection effect of the sensing device is ensured.
- Step 606 Send resource information, which is used to determine allocated resources.
- the resource information may indicate frequency domain resources allocated to each sensing device.
- the frequency domain information may indicate that subcarrier group #1 is a frequency domain resource allocated for sensing device-A, and subcarrier group #2 is a frequency domain resource allocated for sensing device-A. Frequency domain resources allocated by sensing device-B.
- the resource allocation scheme is first determined to be: resource allocation based on the DRP interleaver, and then the resource allocation scheme is used for resource allocation, and then the resource information is sent.
- the information is used to determine allocated resources.
- the DRP interleaver is introduced to allocate resources to the sensing device, so that the synaesthesia system can allocate discontinuous subcarriers to the sensing device, thereby weakening the correlation between the subcarriers of the sensing device. Improve the use efficiency of frequency domain resources of the synaesthesia system, thereby enhancing the perception performance of the synaesthesia system for moving objects.
- Figure 7a is a schematic flowchart of a resource allocation method provided by an embodiment of the present disclosure. As shown in Figure 7a, the resource allocation method may include the following steps:
- Step 701 Determine the resource allocation plan: resource allocation based on the DRP interleaver.
- Step 702 Sequentially arrange the N subcarrier indexes in the symbol to obtain a subcarrier index sequence.
- Step 703 Use the DRP interleaver to interleave the subcarrier index sequence to obtain an interleaved subcarrier index sequence.
- Step 704 Group the interleaved subcarrier index sequences to obtain K subcarrier groups, where K is the number of sensing devices, K is a positive integer, and each subcarrier group includes at least one subcarrier index sequence.
- steps 701-704 please refer to the above embodiment description, and will not be described again in the embodiment of the present disclosure.
- Step 705 Allocate K subcarrier groups to K sensing devices in one-to-one correspondence. The same sensing device is allocated the same frequency domain resources under different symbols.
- the allocated subcarrier group #1 may be allocated to sensing device-A under each symbol.
- the basic parameters of the synaesthesia system are as shown in Table 1, the carrier frequency of the synaesthesia system is 24 GHz, and the number of sub-carriers is 784. And, assuming that there are 4 UEs in the synaesthesia system, namely UE-A, UE-B, UE-C and UE-D, the distance information and speed information of the four UEs are shown in Table 2.
- parameter name numerical value carrier frequency 24GHz subcarrier spacing 60kHz Number of subcarriers 784
- total symbol bandwidth 47MHz Number of OFDM symbols 560 OFDM prefix duration 1.17us OFDM symbol time 16.67us Full OFDM symbol duration 17.84us
- Figure 7b is a schematic diagram of the time-frequency resources of UE-A when allocating resources using the method shown in Figure 7a provided by an embodiment of the present disclosure, in which the subcarriers occupied by UE-A are white parts Indicates that subcarriers not occupied by UE-A are represented by black parts.
- the resource allocation scheme is fixed within the 560 OFDM symbol time (that is, the subcarrier index of UE-A, UE-B,
- Figure 7c and Figure 7d are respectively a perspective view and a plan view of radar detection of the sensing device using the method shown in Figure 7a provided by the embodiment of the present disclosure, wherein Figure 7c is a perspective view of radar detection, and Figure 7d is a radar detection floor plan. It can be seen from Figure 7c and Figure 7d that when the allocation method shown in Figure 7a is used to allocate frequency domain resources to UEs, when detecting other UEs, although the side lobes are obvious, the distance on the distance axis (vertical axis) expands The phenomenon has been effectively suppressed and the detection effect has been optimized.
- Step 706 Send resource information, which is used to determine allocated resources.
- the resource allocation scheme is first determined to be: resource allocation based on the DRP interleaver, and then the resource allocation scheme is used for resource allocation, and then the resource information is sent.
- the information is used to determine allocated resources.
- a DRP interleaver is introduced to allocate resources to the sensing device, so as to allocate non-consecutive subcarriers to the sensing device, thereby reducing the correlation between the subcarriers of the sensing device and ensuring that the sensing device It can accurately detect the distance and speed of other sensing devices, enhancing the sensing effect and performance.
- Figure 8a is a schematic flowchart of a resource allocation method provided by an embodiment of the present disclosure. As shown in Figure 8a, the resource allocation method may include the following steps:
- Step 801 Determine the resource allocation plan: resource allocation based on the DRP interleaver.
- Step 802 Sequentially arrange the N subcarrier indexes in the symbol to obtain a subcarrier index sequence.
- Step 803 Use the DRP interleaver to interleave the subcarrier index sequence to obtain an interleaved subcarrier index sequence.
- Step 804 Group the interleaved subcarrier index sequences to obtain K subcarrier groups, where K is the number of sensing devices, K is a positive integer, and each subcarrier group includes at least one subcarrier index sequence.
- steps 801-804 please refer to the above embodiment description, and will not be described again in the embodiment of the present disclosure.
- Step 805 Allocate K subcarrier groups to K sensing devices in one-to-one correspondence. The same sensing device is assigned different frequency domain resources under different symbols.
- subcarrier group #1 may be allocated to the sensing device-A in the first symbol
- subcarrier group #2 may be allocated to the sensing device in the second symbol. -A etc.
- the basic parameters of the synaesthesia system are as shown in Table 1 above, and it is assumed that there are 4 sensing devices in the synaesthesia system, namely UE-A and UE-B. , UE-C and UE-D, the distance information and speed information of the four sensing devices are shown in Table 2.
- Figure 8b is a schematic diagram of the time-frequency resources of UE-A when allocating resources using the method shown in Figure 8a provided by an embodiment of the present disclosure, in which the subcarriers occupied by UE-A The white part is used, and the subcarriers not occupied by UE-A are represented by the black part.
- the resource allocation scheme changes randomly within 560 OFDM symbol times (that is, the subcarrier indexes of UE-A, UE-B,
- Figure 8c and Figure 8d are respectively a stereoscopic view and a plan view of radar detection of UE using the method shown in Figure 8a provided by the embodiment of the present disclosure, wherein Figure 8c is a stereoscopic view of radar detection, and Figure 8d is a plan view of radar detection. . It can be seen from Figure 8c and Figure 8d that when the allocation method shown in Figure 8a is used to allocate frequency domain resources to the sensing device, there are no obvious side peaks when detecting other UEs, and the other three UEs can be more clearly distinguished. , the detection effect is obviously better.
- Step 806 Send resource information, which is used to determine allocated resources.
- the resource information may include frequency domain resources corresponding to each sensing device.
- the resource information includes: the frequency domain resource of UE-A is subcarrier group #1, and the frequency domain resource of UE-B is subcarrier group #2.
- the resource allocation scheme is first determined to be: resource allocation based on the DRP interleaver, and then the resource allocation scheme is used for resource allocation, and then the resource information is sent.
- the information is used to determine allocated resources.
- a DRP interleaver is introduced to allocate resources to the sensing device, so as to allocate non-consecutive subcarriers to the sensing device, thereby reducing the correlation between the subcarriers of the sensing device and ensuring that the sensing device It can accurately detect the distance and speed of other sensing devices, enhancing the sensing effect and performance.
- the above-mentioned methods of FIGS. 5-8a may be executed by the base station alone. That is, the base station determines the resource allocation method based on the DRP interleaver and configures it to the UE. The UE performs resource transmission based on the configuration of the base station. In one embodiment of the present disclosure, the above-mentioned methods of FIGS. 5-8a may be executed simultaneously by the base station and the UE. Specifically, both the base station and the UE may first determine the resource allocation plan to allocate resources based on the DRP interleaver, and allocate resources based on the resource allocation plan. The method for the UE to determine the resource allocation plan may refer to step 501, method a to method c.
- the above-mentioned methods in Figures 5-8a may be performed by other base stations.
- other base stations first determine the resource allocation plan: resource allocation based on the DRP interleaver, and allocate resources according to the resource allocation plan, and then send resource information to the base station and UE in the synaesthesia system respectively, so that the two Determine the frequency domain resources allocated to the sensing device.
- other base stations first determine the resource allocation plan: allocate resources based on the DRP interleaver, and send the resource allocation plan to the base station and UE in the synaesthesia system respectively, so that the base station and UE in the synaesthesia system can use the resources based on the resource allocation plan.
- Allocation plan for resource allocation for resource allocation.
- the above-mentioned methods in Figures 5b to 8a may be performed by the base station.
- the base station determines the resource plan as follows: resource allocation based on the DRP interleaver, where the base station can determine the resource allocation plan according to method 1 to method 4 in step 501. After that, the base station can use the resource allocation plan to allocate resources, And send the resource information to the sensing device, so that the sensing device determines the frequency domain resources allocated to it based on the resource information. And, it should be noted that in one embodiment of the present disclosure, after the base station determines the resource allocation scheme, it can also send the determined resource allocation scheme to the UE, so that the UE can determine the resource allocation scheme based on the resource allocation scheme. The frequency domain resources allocated to it.
- Figure 9 is a schematic structural diagram of a resource allocation device provided by an embodiment of the present disclosure. As shown in Figure 9, it includes:
- a processing module used to determine the resource allocation plan resource allocation based on the DRP interleaver;
- the processing module is also used to allocate frequency domain resources according to the resource allocation plan
- a transceiver module configured to send frequency domain information, where the frequency domain information is used to determine allocated frequency domain resources.
- the resource allocation scheme is first determined to be: resource allocation based on the DRP interleaver, and then the resource allocation scheme is used for resource allocation, and then the resource information is sent.
- the information is used to determine allocated resources.
- a DRP interleaver is introduced to allocate resources to the sensing device, so as to allocate non-consecutive subcarriers to the sensing device, thereby reducing the correlation between the subcarriers of the sensing device and ensuring that the sensing device It can accurately detect the distance and speed of other sensing devices, enhancing the sensing effect and performance.
- the processing module is also used to:
- each subcarrier group includes at least one subcarrier index sequence
- the K subcarrier groups are allocated to the K sensing devices in one-to-one correspondence, where the subcarriers corresponding to the subcarrier indexes in each subcarrier group are frequency domain resources allocated to the sensing devices.
- the device is also used for:
- the parameter information of the DRP interleaver includes at least one of the following:
- the DRP interleaver algebraic polynomial is:
- i is used to indicate the i-th bit of the interleaved sub-carrier index sequence
- ⁇ (i) is the value of the i-th bit of the interleaved sub-carrier index sequence
- r is the read jitter vector of length R
- w is A write jitter vector of length W
- P represents the regular interleaver period
- s represents a constant offset, where the values of s, P, R, W, r and w are determined based on the parameter value rules.
- the parameter value rules are:
- using a DRP interleaver to interleave the subcarrier index sequence to obtain an interleaved subcarrier index sequence includes:
- the interleaved subcarrier index sequence is calculated based on the values of s, P, R, W, r and w and the DRP interleaver algebraic formula.
- the K subcarrier groups satisfy the following conditions:
- the number of subcarrier indexes contained in the K subcarrier groups is the same;
- the number of subcarrier indexes contained in d subcarrier groups in the K subcarrier groups is the same, the number of subcarrier indexes contained in other subcarrier groups is the same, and the d
- the number of subcarrier indexes contained in the subcarrier group is one more than the number of subcarrier indexes contained in the other subcarrier groups, where d is the value of N modulo K.
- the frequency domain resources allocated to the same sensing device under different symbols are the same or different.
- the transceiver module is also used to:
- the device is also used for:
- the device is also used for:
- the resource allocation plan is determined directly based on the agreement.
- the method for determining parameter information of the DRP interleaver includes at least one of the following:
- the parameter information of the DRP interleaver is determined based on the protocol agreement.
- FIG. 10 is a schematic structural diagram of a communication device 1000 provided by an embodiment of the present application.
- the communication device 1000 may be a network device, a terminal device, a chip, a chip system, or a processor that supports a network device to implement the above method, or a chip, a chip system, or a processor that supports a terminal device to implement the above method. Processor etc.
- the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
- Communication device 1000 may include one or more processors 1001.
- the processor 1001 may be a general-purpose processor or a special-purpose processor, or the like.
- it can be a baseband processor or a central processing unit.
- the baseband processor can be used to process communication protocols and communication data.
- the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
- the communication device 1000 may also include one or more memories 1002, on which a computer program 1004 may be stored.
- the processor 1001 executes the computer program 1004, so that the communication device 1000 performs the steps described in the above method embodiments. method.
- the memory 1002 may also store data.
- the communication device 1000 and the memory 1002 can be provided separately or integrated together.
- the communication device 1000 may also include a transceiver 1005 and an antenna 1006.
- the transceiver 1005 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
- the transceiver 1005 may include a receiver and a transmitter.
- the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
- the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
- the communication device 1000 may also include one or more interface circuits 1007.
- the interface circuit 1007 is used to receive code instructions and transmit them to the processor 1001 .
- the processor 1001 executes the code instructions to cause the communication device 1000 to perform the method described in the above method embodiment.
- the processor 1001 may include a transceiver for implementing receiving and transmitting functions.
- the transceiver may be a transceiver circuit, an interface, or an interface circuit.
- the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
- the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
- the processor 1001 may store a computer program 1003, and the computer program 1003 runs on the processor 1001, causing the communication device 1000 to perform the method described in the above method embodiment.
- the computer program 1003 may be solidified in the processor 1001, in which case the processor 1001 may be implemented by hardware.
- the communication device 1000 may include a circuit, and the circuit may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
- the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
- the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
- CMOS complementary metal oxide semiconductor
- NMOS n-type metal oxide-semiconductor
- PMOS P-type Metal oxide semiconductor
- BJT bipolar junction transistor
- BiCMOS bipolar CMOS
- SiGe silicon germanium
- GaAs gallium arsenide
- the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be limited by FIG. 10 .
- the communication device may be a stand-alone device or may be part of a larger device.
- the communication device may be:
- the IC collection may also include storage components for storing data and computer programs;
- the communication device may be a chip or a chip system
- the schematic structural diagram of the chip shown in FIG. 11 refer to the schematic structural diagram of the chip shown in FIG. 11 .
- the chip shown in Figure 11 includes a processor 1101 and an interface 1102.
- the number of processors 1101 may be one or more, and the number of interfaces 1102 may be multiple.
- the chip also includes a memory 1103, which is used to store necessary computer programs and data.
- This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
- This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
- the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
- software it may be implemented in whole or in part in the form of a computer program product.
- the computer program product includes one or more computer programs.
- the computer program When the computer program is loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
- the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
- magnetic media e.g., floppy disks, hard disks, magnetic tapes
- optical media e.g., high-density digital video discs (DVD)
- DVD digital video discs
- semiconductor media e.g., solid state disks, SSD
- At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
- the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
- the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
- the corresponding relationships shown in each table in this application can be configured or predefined.
- the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
- the corresponding relationships shown in some rows may not be configured.
- appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
- the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
- other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
- Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.
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Abstract
La présente divulgation, qui relève du domaine technique des communications, concerne un procédé et un appareil d'attribution de ressources, un dispositif, et un support de stockage. Le procédé comprend : la détermination d'une solution d'attribution de ressources pour réaliser une attribution de ressources sur la base d'un entrelaceur DRP ; l'attribution de ressources de domaine fréquentiel selon la solution d'attribution de ressources ; et ensuite l'envoi d'informations de ressource, les informations de ressource étant utilisées pour déterminer une ressource attribuée. Selon le procédé fourni par la présente divulgation, un algorithme de séquence pseudo-aléatoire est généré de sorte que la corrélation entre des sous-porteuses d'un dispositif de détection peut être réduite, et le dispositif de détection peut détecter avec précision la distance et la vitesse d'autres dispositifs de détection, ce qui améliore l'effet de détection et les performances de détection.
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CN202280001800.8A CN117480838A (zh) | 2022-05-27 | 2022-05-27 | 一种通信***中的资源分配方法/装置/设备及存储介质 |
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- 2022-05-27 WO PCT/CN2022/095759 patent/WO2023226038A1/fr active Application Filing
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