Resource configuration method and apparatus

Abstract

The present embodiment provides a resource configuration method and apparatus, which relate to the field of communication technologies and solve the problem that when resources for an LTE cell avoid resources for an NR cell, the demodulation performance of a terminal device in the LTE cell deteriorates. A specific solution is as follows: an access network device obtains first configuration information, where the first configuration information includes a bandwidth range of a new radio NR cell, which includes dedicated frequency domain resources of the NR cell and frequency domain resources shared by the NR cell and the Long Term Evolution LTE cell, and the access network device transmits the first configuration information to a terminal device in the NR cell. The present embodiment is used in a process in which a BBU configures signal resources.

Description

[Technical field]

[0001] This application claims priority to Chinese Patent Application No. 202010622058.5, filed with the State Intellectual Property Office of China on July 1, 2020, entitled “RESOURCE CONFIGURATION METHOD AND APPARATUS,” which is incorporated herein by reference in its entirety.

[0002] TECHNICAL FIELD The embodiments of the present application relate to the field of communication technologies, and in particular to a resource configuration method and apparatus. [Background technology]

[0003] In order to implement a smooth evolution from 4th generation mobile communication technology (4G) to 5th generation mobile communication technology (5G), 4G and 5G spectrum sharing technology has been launched in the industry. This technology allows the same spectrum to accommodate both 4G long term evolution (LTE) air interface technology and 5G new radio (NR) technology. In this way, when the number of 5G users is relatively low, spectrum resources can be used for as many 4G users as possible. When the number of 5G users increases, more spectrum resources can be used to accommodate 5G users. In this way, spectrum resource utilization is improved along with user penetration.

[0004] At present, commercial mobile networks mainly use LTE technology. Therefore, the operator's main frequency division duplex (FDD) spectrum is occupied by LTE. LTE and NR spectrum sharing based on this technology is usually implemented with the same carrier bandwidth of LTE and NR, that is, spectrum sharing is implemented by using LTE and NR. However, the differences between LTE air interface technology and NR new radio technology are as follows: In LTE, a cell reference signal (CRS) is used by a terminal device to measure the coverage strength of a cell, and is used by a terminal device to perform channel estimation, thereby demodulating the received data. In NR, the two functions are separated, specifically, the terminal device directly measures the synchronization signal and physical broadcast channel block (SSB) to measure the coverage strength of a cell, and then a separate user level (demodulation reference signal, DMRS) is introduced to perform channel estimation during demodulation of the received data.

[0005] In a spectrum sharing scenario, this difference between LTE and NR causes resource contention. For example, an NR cell needs to avoid resources for the CRS of an LTE cell, thereby reducing the resource utilization rate of the NR cell. In addition, an LTE cell also needs to avoid resources for the SSB of an NR cell, otherwise a terminal device in an NR cell cannot measure the NR cell. However, a terminal device in an LTE cell is usually a legacy terminal. If the CRS of an LTE cell avoids resources for the SSB and cannot be normally received by a terminal device, the channel estimation of the terminal device in the LTE cell will be distorted, affecting the performance of the terminal in the LTE cell. Therefore, currently, in a spectrum sharing scenario between an LTE cell and an NR cell, the performance loss caused by mutual avoidance of channels is an urgent problem to be solved. Summary of the Invention

[0006] The embodiments of the present application provide a resource configuration method and apparatus to solve the problem that the demodulation performance of a terminal device in an LTE cell is degraded when resources for an LTE cell avoid resources for an NR cell.

[0007] To achieve the above objectives, the following technical solutions are used in the embodiments of the present application.

[0008] According to a first aspect, there is provided a resource configuration method comprising: acquiring, by an access network device, first configuration information, the first configuration information including a bandwidth range of a new radio NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and a long term evolution LTE cell; and transmitting, by the access network device, the first configuration information to a terminal device in the NR cell. The access network device may be a BBU.

[0009] Thus, in the present application, a dedicated frequency domain resource of an NR cell is configured, so that a signal allocating a resource in the dedicated frequency domain resource of an NR cell is not interfered with by an LTE cell during transmission, and correspondingly, a signal allocating a resource in the dedicated frequency domain resource of an NR cell does not interfere with transmission of a signal in an LTE cell during transmission. Thus, in the present application, a dedicated frequency domain resource is configured for an NR cell, and the problem that the demodulation performance of a terminal device in an LTE cell deteriorates when the resource of an LTE cell is avoided is avoided. In addition, when receiving a signal on the dedicated frequency domain resource, the terminal device in the NR cell does not need to receive a rate matching template transmitted by an access device, and transmission of a signal in an LTE cell is avoided.

[0010] In a possible design, the method further includes a step of acquiring, by the access network device, second configuration information, the second configuration information including a bandwidth range of the LTE cell, the bandwidth range of the LTE cell including frequency domain resources shared by the LTE cell and the NR cell, and a step of transmitting, by the access network device, the second configuration information to a terminal device in the LTE cell.

[0011] It may also be understood that there is spectrum sharing bandwidth in the bandwidth range of the LTE cell and the NR cell. However, since the NR cell further has dedicated frequency domain resources, the bandwidth range of the NR cell is larger than the bandwidth range of the LTE cell, and the extra bandwidth in the bandwidth range of the NR cell compared to the bandwidth range of the LTE cell is the dedicated frequency domain resource of the NR cell. Of course, the LTE cell may also have dedicated frequency domain resources. Therefore, the dedicated frequency domain resource of the NR cell does not need to avoid the resource for the LTE cell, and as a result, the demodulation performance of the terminal device in the LTE cell can be improved.

[0012] In a possible design, the first configuration information is carried in a first system message, and the second configuration information is carried in a second system message. That is, the first configuration information may be periodically broadcast by the access network device to terminal devices within the range of the NR cell by using the first system message, so that the terminal devices entering the range of the NR cell are aware of the bandwidth range configured by the access network device in a timely manner. Similarly, the second configuration information is periodically broadcast by the access network device to terminal devices within the range of the LTE cell by using the second system message, so that the terminal devices entering the range of the LTE cell are aware of the bandwidth range configured by the access network device in a timely manner.

[0013] In a possible design, the method further comprises a step of allocating, by the access network device, frequency domain resources to a first signal in the NR cell, where the frequency domain resources of the first signal are dedicated frequency domain resources, and the first signal includes at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform a timing function with the access network device, a signal used by the terminal device to obtain cell channel state information, a signal used by the terminal device to determine a cell to be camped on, and a signal used by the terminal device to access the access network device.

[0014] It may be understood that the access network device may allocate frequency domain resources on the dedicated frequency domain resources of the NR cell to some relatively important signals that are susceptible to interference and affect the access of the terminal device, and record these signals as first signals. In other words, when the BBU needs to allocate frequency domain resources to the first signal, the BBU may allocate resources on the dedicated frequency domain resources of the NR cell.

[0015] In a possible design, signals used by the terminal device to synchronize with the access network device include a synchronization signal and a physical broadcast channel block SSB, signals used by the terminal device to perform timing functions with the access network device include a tracking reference signal TRS, signals used by the terminal device to evaluate cell channel state information include a channel state information reference signal CSI-RS and a demodulation reference signal DMRS, signals used by the terminal device to determine the cell to be camped on include a common physical downlink control channel Common PDCCH, and signals used by the terminal device to access the access network device include a physical random access channel PRACH.

[0016] For example, in the current technology, the resource for the CRS of the LTE cell needs to avoid the resource for the SSB of the NR cell, which causes distortion of the channel estimation by the terminal device in the LTE cell. In the present application, when the BBU allocates the frequency domain resource of the SSB of the NR cell on the dedicated frequency domain resource of the NR cell, it is possible to prevent the SSB from being interfered with by the CRS transmitted by the LTE cell, and it is also possible to avoid the interference to the legacy terminal device in the LTE cell caused by the SSB transmitted by the NR cell, thereby improving the demodulation performance of the terminal device in the LTE cell.

[0017] In a possible design, the method further comprises allocating, by the access network device, frequency domain resources of a physical downlink control channel (PDCCH) to the NR cell, where the frequency domain resources of the PDCCH are on the dedicated frequency domain resources, or the frequency domain resources of the PDCCH are on the shared frequency domain resources, or a portion of the frequency domain resources of the PDCCH are on the dedicated frequency domain resources and another portion is on the shared frequency domain resources.

[0018] When allocating frequency domain resources of the PDCCH to a terminal device, the access network device may determine the location of the frequency domain resources based on the user level, service type, and the like of the terminal device. For example, for a terminal device with a relatively high user level, the assigned frequency domain resources of the PDCCH may be on the dedicated frequency domain resources of the NR cell, and for a terminal device with a relatively low user level, the assigned frequency domain resources of the PDCCH may be on the shared frequency domain resources, or a portion of the assigned frequency domain signal may be on the dedicated frequency domain resources and another portion on the shared frequency domain resources, thereby ensuring the performance of the terminal device with a high user level. Alternatively, for a terminal device with a relatively high service type priority, the assigned frequency domain resources of the PDCCH may be on the dedicated frequency domain resources of the NR cell, thereby ensuring the performance of the terminal device with a higher service type priority. For a terminal device with a relatively low service type priority, the assigned frequency domain resources of the PDCCH may be on the shared frequency domain resources, or a portion of the assigned frequency domain resources may be on the dedicated frequency domain resources and another portion on the shared frequency domain resources.

[0019] In a possible design, the method further comprises preferentially allocating, by the access network device, a dedicated frequency domain resource to the second signal when the access network device allocates a frequency domain resource to the second signal in the NR cell, in this way, it can be ensured that the second signal is not interfered with by a signal transmitted by the LTE cell when there is remaining resource available in the dedicated frequency domain resource and the remaining resource can be allocated to the second signal.

[0020] In a possible design, the second signal includes any one of the following signals: a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, a physical uplink control channel PUCCH, and a physical uplink shared channel PUSCH. All of these signals can be understood as important signals that affect the performance of the terminal device. Therefore, during resource allocation, dedicated frequency domain resources can be preferentially allocated.

[0021] In a possible design, the method further includes, when the access network device determines that the shared frequency domain resource is assigned to a physical downlink control channel PDCCH or a physical downlink shared channel PDSCH of the NR cell, transmitting, by the access network device, a rate matching template to a terminal device in the NR cell, the rate matching template instructing the terminal device not to receive data on resources indicated by the rate matching template when receiving the PDCCH or the PDSCH.

[0022] In other words, if the frequency domain resources allocated by the access network device to the PDCCH or PDSCH of an NR cell include frequency domain resources shared by the NR cell and the LTE cell, the access network device needs to puncture some time-frequency resources of the PDCCH or PDSCH and provide a rate matching template to avoid resource contention with the CRS of the LTE cell. Correspondingly, the terminal device may identify the punctured REs based on the rate matching template and skip receiving data on these punctured REs.

[0023] In a possible design, the method may further include allocating, by the access network device, the first three symbols in a slot on the dedicated frequency domain resources of the NR cell to a PDCCH of the NR cell.

[0024] Thus, in the dedicated frequency domain resources of the NR cell configured by the access network device, the PDCCH of the NR cell may occupy the 0th symbol, the 1st symbol, and the 2nd symbol. In this way, the PDCCH resource capacity of the NR cell can be increased, the performance degradation of the NR cell caused by an insufficient control channel can be avoided, and the number of UEs that can be admitted by the NR cell can be increased.

[0025] In a possible design, the method may further include transmitting, by the access network device, the first configuration information and the second configuration information to the RRU / AAU.

[0026] Since the BBU needs to send signals to the terminal device by using the RRU / AAU, the RRU / AAU needs to support the resource configuration of the BBU. Therefore, when configuring a new bandwidth range, the BBU needs to notify the RRU / AAU in a timely manner.

[0027] In a possible design, the method may further include: sending, by the access network device, third configuration information to the RRU / AAU, where the third configuration information includes first indication information and second indication information, where the first indication information indicates a frequency domain resource location of the NR cell, and the second indication information indicates a frequency domain resource location of the LTE cell. Correspondingly, the RRU / AAU may receive the third configuration information sent by the BBU. For example, when the BBU sends a resource configuration message of a signal to the terminal device by using the RRU / AAU, the RRU / AAU may support the configuration of the BBU, and the RRU / AAU sends the resource configuration message to the terminal device based on the configuration of the BBU.

[0028] The frequency domain resource locations of the NR cell include dedicated frequency domain resource locations. The dedicated frequency domain resource locations include frequency domain resource locations of the SSB of the NR cell, frequency domain resource locations of the PRACH of the NR cell, partial resource locations of frequency domain resources of the PDCCH of the NR cell, and the like. In this way, the RRU / AAU can support the principle of resource allocation by the BBU when transmitting signals to the terminal device.

[0029] According to a second aspect, a resource configuration method is provided. The method includes: receiving, by a terminal device, first configuration information transmitted by an access network device, the first configuration information including a bandwidth range of a new wireless NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and the LTE cell; and acquiring, by the terminal device, a frequency domain resource of a signal transmitted by the NR cell based on the first configuration information. For beneficial effects of the second aspect, please refer to the description of the beneficial effects of the first aspect.

[0030] In a possible design, the method includes a step of receiving, by the terminal device, second configuration information transmitted by the access network device, where the second configuration information includes a bandwidth range of the LTE cell, where the bandwidth range of the LTE cell includes frequency domain resources shared by the LTE cell and the NR cell, and a step of obtaining, by the terminal device, frequency domain resources of a signal transmitted by the LTE cell based on the second configuration information.

[0031] In a possible design, the first configuration information is carried in a first system message and the second configuration information is carried in a second system message.

[0032] In a possible design, the method further comprises a step of determining, by the terminal device, a frequency domain resource of a first signal transmitted by the NR cell, where the frequency domain resource of the first signal is on a dedicated frequency domain resource, and the first signal includes at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform a timing function with the access network device, a signal used by the terminal device to obtain cell channel state information, a signal used by the terminal device to determine a cell to be camped on, and a signal used by the terminal device to access the access network device.

[0033] In a possible design, signals used by the terminal device to synchronize with the access network device include a synchronization signal and a physical broadcast channel block SSB, signals used by the terminal device to perform timing functions with the access network device include a tracking reference signal TRS, signals used by the terminal device to evaluate cell channel state information include a channel state information reference signal CSI-RS and a demodulation reference signal DMRS, signals used by the terminal device to determine the cell to be camped on include a common physical downlink control channel Common PDCCH, and signals used by the terminal device to access the access network device include a physical random access channel PRACH.

[0034] In a possible design, the method further comprises a step of determining, by the terminal device, to allocate frequency domain resources of a physical downlink control channel PDCCH to the NR cell, where the frequency domain resources of the PDCCH are on the dedicated frequency domain resources, or the frequency domain resources of the PDCCH are on the shared frequency domain resources, or a portion of the frequency domain resources of the PDCCH are on the dedicated frequency domain resources and another portion is on the shared frequency domain resources.

[0035] In a possible design, the method further includes receiving, by the terminal device, a rate matching template transmitted by the access network device, where the rate matching template instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving a PDCCH or a PDSCH.

[0036] According to a third aspect, there is provided a communications device including a processing unit configured to obtain first configuration information, the first configuration information including a bandwidth range of a new radio NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and a Long Term Evolution (LTE) cell, and a transceiver unit configured to transmit the first configuration information to a terminal device in the NR cell. The communications device is an access network device included in the first aspect or chip.

[0037] In a possible design, the processing unit is further configured to obtain second configuration information, where the second configuration information includes a bandwidth range of an LTE cell, the bandwidth range of the LTE cell including frequency domain resources shared by the LTE cell and the NR cell, and the transceiver unit is further configured to transmit the second configuration information to a terminal device in the LTE cell.

[0038] In a possible design, the first configuration information is carried in a first system message and the second configuration information is carried in a second system message.

[0039] In a possible design, the processing unit is further configured to allocate frequency domain resources to a first signal in the NR cell, where the frequency domain resources of the first signal are on dedicated frequency domain resources, and the first signal includes at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform a timing function with the access network device, a signal used by the terminal device to obtain cell channel state information, a signal used by the terminal device to determine a cell to camp on, and a signal used by the terminal device to access the access network device.

[0040] In a possible design, signals used by the terminal device to synchronize with the access network device include a synchronization signal and a physical broadcast channel block SSB, signals used by the terminal device to perform timing functions with the access network device include a tracking reference signal TRS, signals used by the terminal device to evaluate cell channel state information include a channel state information reference signal CSI-RS and a demodulation reference signal DMRS, signals used by the terminal device to determine the cell to be camped on include a common physical downlink control channel Common PDCCH, and signals used by the terminal device to access the access network device include a physical random access channel PRACH.

[0041] In a possible design, the processing unit is further configured to allocate frequency domain resources of a physical downlink control channel PDCCH to the NR cell, where the frequency domain resources of the PDCCH are on the dedicated frequency domain resources, or the frequency domain resources of the PDCCH are on the shared frequency domain resources, or a portion of the frequency domain resources of the PDCCH are on the dedicated frequency domain resources and another portion is on the shared frequency domain resources.

[0042] In a possible design, the processing unit is further configured to preferentially allocate dedicated frequency domain resources to the second signal when allocating frequency domain resources to the second signal in the NR cell.

[0043] In a possible design, the second signal includes any one of the following signals: a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, a physical uplink control channel PUCCH, and a physical uplink shared channel PUSCH.

[0044] In a possible design, the transceiver unit is further configured to, when it is determined that the shared frequency domain resource is allocated to a physical downlink control channel PDCCH or a physical downlink shared channel PDSCH of the NR cell, send a rate matching template to a terminal device in the NR cell, where the rate matching template instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving the PDCCH or the PDSCH.

[0045] According to a fourth aspect, there is provided a terminal device comprising: a transceiver unit configured to receive first configuration information transmitted by an access network device, where the first configuration information includes a bandwidth range of a new wireless NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and an LTE cell; and a processing unit configured to obtain, based on the first configuration information, a frequency domain resource of a signal transmitted by the NR cell.

[0046] In a possible design, the transceiver unit is further configured to receive second configuration information transmitted by the access network device, where the second configuration information includes a bandwidth range of the LTE cell, the bandwidth range of the LTE cell including frequency domain resources shared by the LTE cell and the NR cell, and the processing unit is configured to obtain frequency domain resources of the signal transmitted by the LTE cell based on the second configuration information.

[0047] In a possible design, the first configuration information is carried in a first system message and the second configuration information is carried in a second system message.

[0048] In a possible design, the processing unit is further configured to determine a frequency domain resource of a first signal transmitted by the NR cell, where the frequency domain resource of the first signal is on a dedicated frequency domain resource, and the first signal includes at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform a timing function with the access network device, a signal used by the terminal device to obtain cell channel state information, a signal used by the terminal device to determine a cell to camp on, and a signal used by the terminal device to access the access network device.

[0049] In a possible design, a signal used by a terminal device to synchronize with an access network device includes SSB, a signal used by a terminal device to perform timing functions with the access network device includes TRS, a signal used by a terminal device to evaluate cell channel state information includes CSI-RS and DMRS, a signal used by a terminal device to determine a cell to camp on includes a common PDCCH, and a signal used by a terminal device to access an access network device includes PRACH.

[0050] In a possible design, the processing unit is further configured to determine to allocate frequency domain resources of a physical downlink control channel PDCCH to the NR cell, where the frequency domain resources of the PDCCH are on the dedicated frequency domain resources, or the frequency domain resources of the PDCCH are on the shared frequency domain resources, or a portion of the frequency domain resources of the PDCCH are on the dedicated frequency domain resources and another portion is on the shared frequency domain resources.

[0051] In a possible design, the transceiver unit is further configured to receive a rate matching template transmitted by the access network device, where the rate matching template instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving a PDCCH or a PDSCH.

[0052] According to a fifth aspect, there is provided a computer readable storage medium comprising computer instructions, which when executed on an electronic device are capable of causing the electronic device to perform the method of the first aspect or any one of the possible designs of the first aspect, or the electronic device is capable of causing the electronic device to perform the method of the second aspect or any one of the possible designs of the second aspect.

[0053] According to a sixth aspect, there is provided a computer program product, wherein when the computer program product is run on a computer, the electronic device is capable of performing the method of the first aspect or any one of the possible designs of the first aspect, or the electronic device is capable of performing the method of the second aspect or any one of the possible designs of the second aspect. [Brief description of the drawings]

[0054] [Figure 1] 1 is a schematic diagram of resource distribution in frequency and time domain in LTE according to an embodiment of the present application;

[0055] [Figure 2(a)] 2 is a schematic diagram of resource occupancy when a base station transmits CRS on different numbers of antenna ports in LTE according to an embodiment of the present application; [Figure 2(b)] 2 is a schematic diagram of resource occupancy when a base station transmits CRS on different numbers of antenna ports in LTE according to an embodiment of the present application; [Figure 2(c)] 2 is a schematic diagram of resource occupancy when a base station transmits CRS on different numbers of antenna ports in LTE according to an embodiment of the present application; [Figure 2(d)] 2 is a schematic diagram of resource occupancy when a base station transmits CRS on different numbers of antenna ports in LTE according to an embodiment of the present application;

[0056] [Diagram 3] FIG. 1 is a schematic diagram of a comparison between time domain resources occupied by an SSB of an NR cell in a 20 ms period and time domain resources occupied by a PSS / SSS of an LTE cell in a subframe according to an embodiment of the present application.

[0057] [Figure 4] FIG. 1 is a schematic diagram of resource avoidance between RBs in an NR cell and RBs in an LTE cell according to an embodiment of the present application.

[0058] [Diagram 5] FIG. 1 is a schematic diagram of symmetric spectrum sharing between LTE and NR cells according to an embodiment of the present application.

[0059] [Figure 6] 1 is a schematic diagram of an MBSFN mechanism in LTE according to an embodiment of the present application;

[0060] [Figure 7] FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present application.

[0061] [Figure 8] FIG. 2 is a schematic structural diagram of an access network device according to an embodiment of the present application;

[0062] [Figure 9] FIG. 2 is a schematic structural diagram of a terminal device according to an embodiment of the present application;

[0063] [Figure 10] 1 is a schematic flowchart of a resource configuration method according to an embodiment of the present application;

[0064] [Figure 11] FIG. 1 is a schematic diagram of a distribution of frequency domain resources of an NR cell according to an embodiment of the present application.

[0065] [Figure 12] 1 is a schematic flowchart of a resource configuration method according to an embodiment of the present application;

[0066] [Figure 13] FIG. 1 is a schematic diagram of a distribution of uplink and downlink time-frequency resources of an NR cell and an LTE cell according to an embodiment of the present application;

[0067] [Figure 14] FIG. 2 is a schematic structural diagram of an access network device according to an embodiment of the present application;

[0068] [Figure 15] FIG. 2 is a schematic structural diagram of an access network device according to an embodiment of the present application; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0069] The following describes the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. In the description of the embodiments of the present application, unless otherwise specified, " / " means "or". For example, A / B can represent A or B. In this specification, "and / or" only describes a corresponding relationship to describe related objects, and represents that three relationships may exist. For example, A and / or B can represent the following three cases: only A exists, both A and B exist, and only B exists. In addition, in the description of the embodiments of the present application, "multiple" means two or more than two.

[0070] The terms "first" and "second" referred to below are intended merely for descriptive purposes and should not be understood as an indication or suggestion of the relative importance of the technical features depicted, or an implicit indication of their number. Thus, a feature qualified by "first" or "second" may explicitly indicate or implicitly indicate the inclusion of one or more of such features. In the description of the embodiments, unless otherwise specified, "plurality" means two or more than two.

[0071] For ease of understanding, the following uses examples to explain some concepts related to the embodiments of the present application for reference. The details are as follows:

[0072] Single LTE carrier bandwidths include 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHz, 20 MHz and the like.

[0073] For a single NR carrier bandwidth, smaller bandwidths are discarded and larger bandwidths are expanded based on different frequency bands. Single carrier bandwidths include 5 MHz, 10 MHz, 15 MHz, 20 MHz, 25 MHz, 30 MHz, 40 MHz, 50 MHz, 60 MHz, 80 MHz, 90 MHz, 100 MHz, and the like.

[0074] At present, commercial mobile networks mainly use LTE. Therefore, the operator's main frequency division duplex (FDD) spectrum is occupied by LTE. Symmetric spectrum sharing between LTE and NR implemented based on this technology is usually implemented for the same carrier bandwidth of LTE and NR, e.g., 10 MHz, 15 MHz, and 20 MHz.

[0075] For LTE, as shown in Figure 1, the minimum resource granularity in the time domain is one orthogonal frequency division multiplexing (OFDM) symbol, and the minimum granularity in the frequency domain is one subcarrier. One OFDM symbol and one subcarrier form one time-frequency resource element, i.e., resource element (RE). In other words, RE is used as the basic unit for resource mapping in the physical layer. All OFDM symbols in one slot and 12 subcarriers in the frequency domain may form a resource block (RB). RB is used as the basic unit for LTE resource scheduling. One slot may contain 6 or 7 symbols. One frame is 10 ms and contains 10 subframes, and each subframe contains 2 slots.

[0076] Unlike LTE, the number of slots included in one subframe in NR varies based on the subcarrier spacing, and the number of symbols in each slot is fixed at 14, unlike LTE.

[0077] Table 1 compares the signals used for network synchronization, cell coverage strength measurements, and channel estimation by using LTE and NR air interface technologies. [Table 1]

[0078] It can be seen that in LTE, a terminal device can implement synchronization by using a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) broadcast by a base station. However, in NR, the concept of SSB is introduced. SSB is mainly used for downlink synchronization and includes PSS, SSS and Physical Broadcast Channel (PBCH). In other words, PSS, SSS and PBCH form an SSB in four consecutive OFDM symbols.

[0079] Since channel estimation directly determines modulation performance, LTE air interface technology determines that resources for CRS need to be densely distributed in the entire time-frequency resource space. As shown in Fig. 2(a)-2(d), Fig. 2(a) shows REs that are occupied when CRS is transmitted on antenna port 1 of a base station in an LTE cell. Fig. 2(b) shows REs that are occupied and REs that are muted to avoid transmission on other antennas when CRS is transmitted on antenna port 2 of a base station in an LTE cell. Fig. 2(c) and Fig. 2(d) show REs that are occupied and REs that are muted to avoid transmission on other antennas when CRS is transmitted on antenna port 4 of a base station in an LTE cell.

[0080] As shown in Figure 3, the spectrum width in NR is larger than that in LTE, but the SSB of the NR cell is not used for channel estimation. Therefore, in the time domain, the time domain resources occupied by the SSB of the NR cell in a period of 20 ms are sparser than the time domain resources occupied by the PSS / SSS of LTE in a subframe. This can reduce resource overhead and improve resource utilization.

[0081] However, in a spectrum sharing scenario, the differences between the two air interface technologies may cause resource contention. First, the NR cell needs to avoid the resource location where the LTE cell transmits the CRS, which reduces the resource utilization of the NR cell. For example, the terminal device in the NR cell may support the avoidance through puncturing. FIG. 4 shows the resource occupancy status of one RB of the NR cell and one RB of the LTE cell. When the resource for the NR cell needs to avoid the resource occupied by the CRS of the LTE cell, (a) in FIG. 4 shows an example of the RE location used by the NR cell and the RE location that needs to be punctured by the NR cell to avoid the resource for the CRS of the LTE cell. Correspondingly, (b) in FIG. 4 shows that the RE location of R0 is the RE location occupied by the CRS of the LTE cell in one RB, the resource occupied by the CRS is at a fixed RE location in the entire bandwidth, and the CRS is transmitted periodically.

[0082] In addition, the LTE cell also needs to avoid resources for the SSB of the NR cell, otherwise the terminal device in the NR cell cannot measure the NR cell. However, the terminal device in the LTE cell is usually a legacy terminal. As shown in FIG. 5, when the RE positions occupied by some CRSs are punctured to transmit SSBs by the NR cell, the channel estimation performed by the terminal device in the LTE cell is distorted, affecting the performance of the terminal device in the LTE cell. In addition, when the CRS of the LTE cell is used for channel estimation, joint channel estimation and filtering in the time domain and the frequency domain are used. Therefore, in the LTE cell, the distortion of the channel estimation on the CRS of a subframe not only affects the RBs of the current slot, but also spreads to other RBs, even resulting in the distortion of the channel estimation on the subsequent consecutive subframes.

[0083] Third, as shown in FIG. 5, the common physical downlink control channel (PDCCH) of both the LTE cell and the NR cell is defined to occupy the first three symbols of each subframe. However, since the resources occupied by the CRS of the LTE cell are excessively dense, for example, when the base station includes four antennas as shown in FIG. 2(a) to FIG. 2(d), the first two symbols of each subframe are occupied by the CRS of the LTE cell. Therefore, the NR cell cannot transmit the PDCCH using the first two symbols, and only the third symbol can be used to transmit the PDCCH of the NR cell. As a result, only 1 / 3 of the resource capacity is left for the PDCCH of the NR cell.

[0084] Therefore, in the technology of spectrum sharing between LTE cells and NR cells, the performance loss of terminal devices caused by mutual avoidance of channels is currently the main issue.

[0085] Currently, such performance loss can be reduced by using multicast broadcast single frequency network (MBSFN) subframes defined in LTE, specifically by inserting MBSFN subframes between normal subframes in LTE, as shown in FIG. 6. MBSFN subframes are subframe formats introduced in LTE to support certain broadcast services. When MBSFN subframes are configured, normal terminal devices in LTE cells do not perform CRS analysis for MBSFN subframes. Thus, degradation of demodulation performance caused by distortion of channel estimation performed using CRS can be avoided. In such LTE MBSFN subframes, NR cells can be used normally continuously to transmit SSBs, broadcast messages, and the like, and do not avoid transmitting CRS of LTE cells.

[0086] However, the LTE cell cannot perform data transmission in the MBSFN subframe, in other words, one complete subframe is lost for the LTE cell. If the NR cell transmits an SSB every 20 ms, three MBSFN subframes may need to be configured for LTE, considering that the NR cell also needs to transmit other system information (remaining minimum system information, RMSI) and paging messages. As a result, 3 / 20=15% of the available resources of the LTE cell is lost. This loss occurs even if there are no users in the NR cell, and is unavoidable as long as the NR cell is configured and shares the same spectrum with the LTE cell.

[0087] Secondly, not all LTE terminal devices can identify MBSFN subframes, and the subframes before and after the MBSFN subframe are used by the terminal device to perform CRS measurement and channel estimation. If the low-end LTE terminal device cannot identify the MBSFN subframe, the aforementioned problem of demodulation channel estimation loss caused by CRS distortion will continue to exist and spread to adjacent frames before and after the MBSFN subframe. As a result, the loss of available resources of the LTE cell will increase to 7 / 20=35%.

[0088] Third, MBSFN subframes do not solve the problem of insufficient PDCCH capacity in NR cells.

[0089] Therefore, the embodiment of the present application provides a resource configuration method to solve the problem that the demodulation performance of a conventional LTE terminal device is deteriorated because the CRS of the LTE cell needs to avoid the SSB of the NR cell. The method can be applied to a base station to configure resources for signals in the LTE cell and to configure resources for signals in the NR cell. In this method, asymmetric spectrum sharing is proposed. The NR bandwidth for spectrum sharing by the LTE cell and the NR cell of the base station is larger than the LTE bandwidth. There is a dedicated bandwidth for the NR cell in the NR bandwidth, and the dedicated bandwidth is not shared with the LTE cell. Therefore, the signal assigned to the dedicated bandwidth for the NR cell is not interfered with by the signal transmitted by the LTE cell, and correspondingly, the signal transmitted in the dedicated bandwidth for the NR cell does not interfere with the transmission of the signal of the LTE cell. In this way, by applying the method in the present application, the MBSFN subframe does not need to be configured for the LTE cell, thereby reducing the loss of the LTE cell, and further avoiding the compatibility problem that the low-end terminal device in LTE cannot identify the MBSFN subframe, thereby implementing a smooth evolution from 4G to 5G.

[0090] As shown in FIG. 7, the network architecture in the present application may include an access network device 70 and a terminal device 71. The access network device 70 may include a base band unit (BBU) and a remote radio unit (RRU) / active antenna unit (AAU). Since the present application is related to spectrum sharing between 4G and 5G, the BBU and the RRU / AAU need to have the ability to process both LTE signals and NR signals. As shown in FIG. 8, the RRU in the access network device 70 is connected to an antenna feeder system (i.e., an antenna) (wherein the RRU and the antenna may form an AAU), and the BBU and the RRU may be used separately as necessary. It should be noted that in a specific implementation process, the access network device 70 may also use another universal hardware architecture and is not limited to the universal hardware architecture shown in FIG. 8.

[0091] In some embodiments, the NR cell and the LTE cell share one BBU. In other words, under one BBU, the coverage range of the NR cell is the same as the coverage range of the LTE cell. In some other embodiments, the NR cell corresponds to one BBU, the LTE cell corresponds to one BBU, and the BBU of the NR cell and the BBU of the LTE cell communicate in a wired / wireless mode.

[0092] A terminal device may be implemented using the structure shown in FIG. 9. For example, the terminal device 900 is a mobile phone, and FIG. 9 illustrates the universal hardware architecture of a mobile phone for illustration. The mobile phone illustrated in FIG. 9 may include components such as radio frequency (RF) circuitry 910, memory 920, another input device 930, a display screen 940, sensors 950, audio circuitry 960, an I / O subsystem 970, a processor 980, and a power supply 990. Those skilled in the art may understand that the structure of the mobile phone illustrated in FIG. 9 does not constitute any limitation on the mobile phone, and may include more or less components than those shown in the figure, or some components may be combined, or some components may be divided, or a different component arrangement may be used. Those skilled in the art may understand that the display screen 940 is a user interface (UI), and the display screen 940 may include a display panel 941 and a touch panel 942. In addition, the mobile phone may include more or less components than those shown in the figure. Although not shown, the mobile phone may further include functional modules or components such as a camera and a Bluetooth module, which will not be described in detail again in this specification.

[0093] Further, the processor 980 is connected to the RF circuit 910, the memory 920, the audio circuit 960, the I / O subsystem 970, and the power supply 990, respectively. The I / O subsystem 970 is connected to another input device 930, the display screen 940, and the sensor 950, respectively. The RF circuit 910 may be configured to receive and transmit signals during information reception and transmission processes or during a call process. In particular, after receiving the downlink information of the base station, the RF circuit transmits the downlink information to the processor 980 for processing. The memory 920 may be configured to store software programs and software modules. By executing the software programs and modules stored in the memory 920, the processor 980 executes various function applications and data processing of the mobile phone. The other input device 930 may be configured to receive input digital or text information and generate key signal inputs related to user settings and function control of the mobile phone. The display screen 940 may be configured to display information entered by or provided to the user, various menus of the mobile phone, and may also receive user input. The sensor 950 may be a light sensor, a motion sensor, or another sensor. The audio circuitry 960 may provide an audio interface between the user and the mobile phone. The I / O subsystem 970 is configured to control external input / output devices, which may include an input controller, a sensor controller, and a display controller of another device. The processor 980 is the control center of the mobile phone 900. The processor is connected to each part of the entire mobile phone through various interfaces and cables. In addition, the processor operates or executes software programs and / or modules stored in the memory 920, and executes various functions of the mobile phone 900 by calling up data stored in the memory 920, processes data, and performs overall monitoring for the mobile phone. The power source 990 (such as a battery) is configured to provide power to the aforementioned components.Preferably, a power source may be logically connected to the processor 980 using a power management system to implement functions such as charging, discharging, and power consumption management using the power management system.

[0094] By applying the above network architecture, the following describes the resource configuration method provided in this application.

[0095] An embodiment of the present application provides a resource configuration method. As shown in Figure 10, the method includes the following steps:

[0096] 101. The access network device obtains first configuration information, where the first configuration information includes a bandwidth range of an NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and the LTE cell.

[0097] In some embodiments, the access network device may include a BBU, an RRU, and an antenna, or the access network device includes a BBU and an AAU. The acquisition of the first configuration information may be specifically performed by a BBU in the access network device. The first configuration information may be configured for the BBU manually or in another manner.

[0098] In the current technology, the NR cell and the LTE cell share a symmetric spectrum, i.e., the bandwidth range of the NR cell is the same as the bandwidth range of the LTE cell. Different from the current technology, as shown in Figure 11, the bandwidth range configured for the NR cell in this application includes the dedicated frequency domain resource of the NR cell and the frequency domain resource shared by the NR cell and the LTE cell.

[0099] In this manner, the access network device may configure the more important signals that are subject to interference in the NR cell in the dedicated frequency domain resources of the NR cell. These signals may include the NR cell's synchronization channel, broadcast channel, system messages, paging channel, random access channel, and the like.

[0100] 102. The access network device transmits first configuration information to a terminal device in the NR cell.

[0101] The BBU may transmit the acquired first configuration information to the terminal device by using the RRU / AAU. Correspondingly, the terminal device may receive a signal transmitted by the access network device based on the first configuration information. When the terminal device receives the above-mentioned relatively important signals that are susceptible to interference, the resources allocated to these signals are on the dedicated frequency domain resources of the NR cell, so that the terminal device in the NR cell does not need to avoid the signals of the LTE cell when receiving these signals, for example, does not need to avoid the CRS signal of the LTE cell. Correspondingly, the demodulation channel estimation distortion caused by the CRS of the LTE cell that avoids the signal of the NR cell can also be avoided.

[0102] Further embodiments of the present application are described below.

[0103] An embodiment of the present application provides a resource configuration method, as shown in Figure 12, the method includes the following steps:

[0104] 121. The access network device obtains first configuration information, where the first configuration information includes a bandwidth range of an NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and the LTE cell.

[0105] In some embodiments, as shown in FIG. 13, the bandwidth range configured by the BBU for the NR cell may include a bandwidth value and a frequency location. For example, the bandwidth value may be 30 MHz, and the frequency location may indicate the FR1 frequency, the FR2 frequency, or the like. Alternatively, the bandwidth range may include a start frequency and an end frequency of the bandwidth. For example, the start frequency is 2110 MHz, and the end frequency is 2140 MHz. When the bandwidth value is 30 MHz, the 30 MHz bandwidth includes the dedicated frequency domain resource of the NR cell, e.g., 10 MHz. In other words, only the NR cell allocates resources on the 10 MHz and does not share the 10 MHz resource with the LTE cell. The 30 MHz bandwidth further includes the 20 MHz frequency domain resource shared by the NR cell and the LTE cell. In other words, both the NR cell and the LTE cell can allocate resources on the 20 MHz.

[0106] The bandwidth range of an NR cell is applicable to uplink and downlink time-frequency resource allocation in the NR cell.

[0107] 122. The access network device transmits first configuration information to the terminal device in the NR cell.

[0108] In some embodiments, the BBU may hold the first configuration information in a first system message and periodically transmit the first system message to terminal devices in the NR cell in a broadcast manner, so that terminal devices that need to access the NR cell are aware of the bandwidth range allocated to the NR cell in a timely manner. In response, the terminal devices in the NR cell may receive the first configuration information of the NR cell transmitted by the BBU.

[0109] 123. The access network device obtains second configuration information, where the second configuration information includes a bandwidth range of an LTE cell, and the bandwidth range of the LTE cell includes frequency domain resources shared by the LTE cell and the NR cell.

[0110] As shown in FIG. 13, the BBU may further configure a bandwidth range for the LTE cell, where the bandwidth range includes frequency domain resources shared by the LTE cell and the NR cell. Similar to the NR cell, the bandwidth range configured by the BBU for the LTE cell may also include a bandwidth value and a frequency location, or may include a start frequency and an end frequency of the bandwidth. For example, when the bandwidth value is 20 MHz, it means that the 20 MHz is a frequency domain resource shared by the LTE cell and the NR cell. The bandwidth range of the LTE cell is applicable to uplink and downlink time-frequency resource allocation in the LTE cell.

[0111] It can also be understood that the bandwidth range of the NR cell configured by the BBU in this application is larger than the bandwidth range of the LTE cell. When the bandwidth range of the NR cell is 30 MHz and the bandwidth range of the LTE cell is 20 MHz, the bandwidth of the NR cell is 10 MHz larger than the bandwidth of the LTE cell. The 20 MHz in the bandwidth of the NR cell is a frequency domain resource shared with the LTE cell, and the 10 MHz in the bandwidth of the NR cell is a dedicated frequency domain resource of the NR cell.

[0112] 124. The access network device sends second configuration information to the terminal device in the LTE cell.

[0113] Correspondingly, the terminal device in the LTE cell may receive second configuration information of the LTE cell sent by the BBU.

[0114] Similar to the NR cell, the BBU may hold the second configuration information in a second system message and periodically transmit the second configuration information to terminal devices in the LTE cell in a broadcast manner, so that the terminal devices that need to access the LTE cell are aware of the bandwidth range allocated to the LTE cell in a timely manner.

[0115] It should be noted that one access network device may cover both an NR cell and an LTE cell, and the coverage ranges of the NR cell and the LTE cell are the same. In this case, both the first configuration information and the second configuration information may be transmitted to the RRU / AAU by using one BBU and then broadcast. Alternatively, in a non-standalone (NSA) network, information about the NR cell may be transferred to a terminal device in the NR cell by using an LTE cell. That is, when an access network device includes a BBU1, a BBU2, an RRU, and an antenna, the BBU1 corresponds to an NR cell, the BBU2 corresponds to an LTE cell, and when the BBU1 broadcasts the first configuration information to a terminal device in the NR cell, the BBU1 may first transmit the first configuration information to the BBU2, the BBU2 transmits the first configuration information to the RRU, and then the RRU broadcasts the first configuration information by using an antenna, and the BBU2 directly broadcasts the second configuration information by using an RRU and an antenna. Of course, in the access network device, different BBUs may alternatively correspond to different RRUs, that is, the BBUs may transmit configuration information by using corresponding RRUs and antennas.

[0116] It should be noted that the order of execution of steps 121 and 122, and steps 123 and 124 may be adjusted or may be executed simultaneously. Step 124 is optional. Alternatively, the access network device may send the second configuration information to another access network device, which sends the second configuration information.

[0117] 125. The access network device assigns frequency domain resources to a first signal in the NR cell, where the frequency domain resources of the first signal are on dedicated frequency domain resources.

[0118] The BBU may allocate frequency domain resources on the dedicated frequency domain resources of the NR cell to some relatively important signals that are susceptible to interference and affect the access of the terminal device, where these signals are defined as first signals.

[0119] In other words, when the BBU needs to allocate frequency domain resources to the first signal, the BBU may allocate resources on dedicated frequency domain resources of the NR cell.

[0120] In some embodiments, the first signal may include at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform timing functions with the access network device, a signal used by the terminal device to obtain cell channel state information, a signal used by the terminal device to determine a cell to camp on, and a signal used by the terminal device to access the access network device.

[0121] In some embodiments, the signal used by the terminal device to synchronize with the access network device may include SSB.

[0122] Signals used by terminal devices to perform timing functions with access network devices may include tracking reference signals (TRS).

[0123] Signals used by a terminal device to estimate cell channel state information may include a channel-state information reference signal (CSI-RS) and a demodulation reference signal (DMRS).

[0124] The signals used by a terminal device to determine the cell to camp on may include a common PDCCH.

[0125] The signals used by the terminal devices to access the access network devices may include a physical random access channel (PRACH).

[0126] 13 is a schematic diagram of the distribution of uplink and downlink time-frequency resources of an LTE cell and an NR cell, where frequency domain resources shared by an NR cell and an LTE cell and dedicated frequency domain resources of an NR cell are shown. The dedicated frequency domain resources shown in FIG. 13 include frequency domain resources of the PDCCH, SSB, and PRACH of the NR cell, but it should be understood that the dedicated frequency domain resources may further include frequency domain resources of the TRS, CSI-RS, DMRS, and the like.

[0127] After a terminal device in an NR cell enters the NR cell and performs a random access procedure, the BBU may assign the time-frequency resources of the NR cell to the terminal device in the NR cell in a subsequent access procedure by applying the aforementioned signaling that can be used to assign resources on the dedicated time-frequency resources.

[0128] In some embodiments, in the access procedure after random access, after the BBU assigns the frequency domain resource of the SSB on the dedicated frequency domain resource, the terminal device may correspondingly recognize the time-frequency resource of the SSB by searching for a synchronization channel on a different frequency. The frequency domain resource in the determined time-frequency resource of the SSB is on the dedicated frequency domain resource of the NR cell.

[0129] The BBU may hold the time-frequency resource of the PRACH of the NR cell and the time-frequency resource of the common PDCCH in the broadcast SSB. The resource of the PRACH of the NR cell held in the SSB is on the dedicated frequency domain resource of the NR cell. Correspondingly, when determining the time-frequency resource of the SSB, the terminal device may receive the SSB on the time-frequency resource of the SSB. When the terminal device determines that the measured SSB satisfies the camping and access threshold by analyzing the SSB, the terminal device may obtain the time-frequency resource of the PRACH from the SSB, and the time-frequency resource of the PRACH determined by the terminal device is on the dedicated frequency domain resource of the NR cell. In this way, the terminal device may receive the PRACH on the frequency domain resource of the determined PRACH and access the NR cell on the PRACH.

[0130] Similarly, the resource of the common PDCCH held in the SSB is also on the dedicated frequency domain resource of the NR cell. Correspondingly, when receiving the SSB, the terminal device can obtain the time-frequency resource of the common PDCCH by analyzing the SSB, and the time-frequency resource of the common PDCCH determined by the terminal device is on the dedicated frequency domain resource of the NR cell. In this way, the terminal device can receive the common PDCCH on the frequency domain resource of the determined common PDCCH.

[0131] In this way, when the BBU allocates the frequency domain resources of the SSB of the NR cell on the dedicated frequency domain resources of the NR cell, the SSB can be prevented from being interfered with by the CRS transmitted by the LTE cell, and interference to legacy terminal devices in the LTE cell caused by the SSB transmitted by the NR cell can also be avoided.

[0132] 126. The access network device allocates PDCCH frequency domain resources to the NR cell, where the PDCCH frequency domain resources are on dedicated frequency domain resources, or the PDCCH frequency domain resources are on shared frequency domain resources, or a portion of the PDCCH frequency domain resources are on dedicated frequency domain resources and another portion is on shared frequency domain resources.

[0133] After the terminal device accesses the NR cell, the BBU may perform data communication with the terminal device. In the data communication process, when the BBU needs to transmit data to the terminal device, the BBU may first transmit a DCI to the terminal device. The DCI holds the time-frequency resource of the PDCCH allocated to the NR cell by the BBU. Referring to FIG. 13, the allocated frequency domain resource may be on the dedicated frequency domain resource of the NR cell, or may be on the shared frequency domain resource, or a part may be on the dedicated frequency domain resource and another part may be on the shared frequency domain resource, so that the BBU may transmit the PDCCH to the terminal device on the time-frequency resource of the PDCCH.

[0134] Correspondingly, when receiving the DCI, the terminal device may obtain the time-frequency resource of the PDCCH by demodulating the DCI. The frequency domain resource in the time-frequency resource of the PDCCH may be on the dedicated frequency domain resource of the NR cell, or may be on the shared frequency domain resource, or a part may be on the dedicated frequency domain resource and another part may be on the shared frequency domain resource. In this way, the terminal device may receive the PDCCH on the determined time-frequency resource of the PDCCH.

[0135] In some embodiments, when allocating PDCCH frequency domain resources to terminal devices, the BBU may determine the location of the frequency domain resources based on the user level, service type, and the like of the terminal devices. For example, the PDCCH frequency domain resources allocated to terminal devices with a relatively high user level may be on the dedicated frequency domain resources of the NR cell, and the PDCCH frequency domain resources allocated to terminal devices with a relatively low user level may be on the shared frequency domain resources, or a portion of the assigned frequency domain signal may be on the dedicated frequency domain resources and another portion on the shared frequency domain resources. Alternatively, the PDCCH frequency domain resources allocated to terminal devices with a relatively high service type priority may be on the dedicated frequency domain resources of the NR cell, and the PDCCH frequency domain resources allocated to terminal devices with a relatively low service type priority may be on the shared frequency domain resources, or a portion of the assigned frequency domain signal may be on the dedicated frequency domain resources and another portion on the shared frequency domain resources.

[0136] In some embodiments, RBs in the dedicated frequency domain resources of the NR cell allocated by the BBU can be scheduled and assigned in a global manner with RBs dynamically assigned to the NR cell in the shared frequency domain resources, thereby maximizing the available resources of the NR cell. For example, referring to FIG. 13, the frequency domain resources of the PUCCH of the NR cell can be partially in the dedicated frequency domain resources of the NR cell and partially in the shared frequency domain resources of the NR cell. The resource allocation schemes of the physical uplink shared channel (PUSCH), PDCCH, physical downlink shared channel (PDSCH), and physical uplink control channel (PUCCH) of the NR cell are similar, and in all of these resource allocation schemes, the RBs in the dedicated frequency domain resources of the NR cell can be scheduled and assigned in a global manner with RBs dynamically assigned to the NR cell in the shared frequency domain resources.

[0137] In addition, when the access network device allocates frequency domain resources to a second signal in an NR cell, the access network device may preferentially allocate dedicated frequency domain resources to the second signal.

[0138] In some embodiments, the second signal includes any one of the following signals: PDCCH, PDSCH, PUCCH, and PUSCH.

[0139] Referring to Figure 13, the frequency domain resources of these second signals can be allocated on the dedicated frequency domain resources or the shared frequency domain resources of the NR cell. In other words, when the frequency domain resources available for the second signals are in both the dedicated frequency domain resources and the shared frequency domain resources, the BBU preferentially allocates the dedicated frequency domain resources to the second signals. In this way, when the second signals are transmitted on the dedicated frequency domain resources, interference from signals transmitted by LTE cells can be avoided, and interference to signals transmitted by LTE cells can also be avoided.

[0140] In some embodiments, when the BBU configures a PDCCH in the downlink time-frequency resources of an LTE cell, in the current technology, the time domain resources are generally allocated as the first three symbols in each slot. To avoid the resources occupied by the CRS transmitted by the LTE cell in the 0th symbol, only the first and second symbols can be allocated to the PDCCH of the NR cell. However, when the dedicated frequency domain resources of the NR cell are configured in accordance with the present application, the BBU can allocate the first three symbols to the PDCCH of the NR cell on the dedicated frequency domain resources of the NR cell.

[0141] For example, referring to Figure 13, the PDCCH of the NR cell may occupy the 0th symbol, the 1st symbol, and the 2nd symbol in the 10M frequency domain resource dedicated to the NR cell configured by the BBU. In this way, the PDCCH resource capacity of the NR cell can be increased, the performance degradation of the NR cell caused by an insufficient control channel can be avoided, and the number of UEs that can be admitted by the NR cell can be increased.

[0142] In some embodiments, the LTE air interface technology determines that the resources for the CRS need to be densely distributed in the entire time-frequency resource space, so that the resources for the CRS are densely distributed in the shared frequency domain resources. If the frequency domain resources of some downlink time-frequency resources assigned by the BBU to the NR cell are on the shared frequency domain resources, the BBU needs to puncture some time-frequency resources of the NR cell to avoid resource contention with the CRS of the LTE cell and provide a rate matching template. Correspondingly, the terminal device needs to identify and avoid the positions of the punctured resources based on the rate matching template to demodulate and recover data. In other words, based on the rate matching template, the terminal device may determine that some REs are punctured, i.e., no data is received on the REs, and therefore may not demodulate the signals of these REs.

[0143] For example, when the BBU determines that a shared frequency domain resource is assigned to a PDCCH or PDSCH of an NR cell, the BBU may send a rate matching template to a terminal device in the NR cell, which instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving a PDCCH or PDSCH.

[0144] In other words, if the frequency domain resources allocated by the BBU to the PDCCH or PDSCH of the NR cell include frequency domain resources shared by the NR cell and the LTE cell, the BBU needs to puncture some time-frequency resources of the PDCCH or PDSCH to provide a rate matching template to avoid resource contention with the CRS of the LTE cell. Correspondingly, the terminal device may identify the punctured REs based on the rate matching template and skip receiving data on these punctured REs.

[0145] In some embodiments, when the BBU allocates resources in the dedicated frequency domain resources of the NR cell to some important signals in the NR cell, if the BBU allocates time-frequency domain resources to the LTE cell, the resource allocation of the LTE cell may follow the constraints of the LTE protocol. For example, the frequency domain resources of the PUCCH of the LTE cell are constrained in the protocol to be at the two ends of the LTE bandwidth range. In this case, in the present application, the frequency domain resources of the PUCCH of the LTE cell may also be distributed at the two ends of the shared frequency domain resources.

[0146] In the embodiment of the present application, since the BBU needs to send signals to the terminal device by using the RRU / AAU, the first configuration information, the second configuration information, the frequency domain resource of the first signal, the frequency domain resource of the second signal, and the like obtained by the BBU in the present application all need to be sent to the terminal device by using the RRU / AAU, so the RRU / AAU side also needs to support the resource configuration of the BBU in the present application.

[0147] In some embodiments, the BBU may send the first configuration information and the second configuration information to the RRU / AAU to inform the RRU / AAU to recognize the bandwidth range of the NR cell and the bandwidth range of the LTE cell configured by the BBU.

[0148] The BBU may further send third configuration information to the RRU / AAU, where the third configuration information includes first indication information and second indication information, where the first indication information indicates a frequency domain resource location of the NR cell, and the second indication information indicates a frequency domain resource location of the LTE cell. Correspondingly, the RRU / AAU may receive the third configuration information sent by the BBU.

[0149] The frequency domain resource locations of the NR cell include dedicated frequency domain resource locations, which include frequency domain resource locations of the SSBs of the NR cell, frequency domain resource locations of the PRACH of the NR cell, partial resource locations of frequency domain resources of the PDCCH of the NR cell, and the like.

[0150] In this way, the RRU / AAU can support the principle of resource allocation by the BBU when transmitting signals to the terminal device.

[0151] In conclusion, the resource configuration method provided in this application may be a more robust spectrum sharing method. When there is no NR user, by applying this application, the user perception of the low-end LTE terminal device in the LTE cell is not affected. That is, the user of the conventional LTE terminal device does not sense the existence of the NR cell. Therefore, the terminal device in the LTE cell can continue to access the LTE cell and perform uplink and downlink data transmission based on the resource allocated by the BBU. In this application, some common channels (e.g., SSB) of the NR cell that need to be avoided are allocated on the dedicated frequency domain resource. Therefore, the common channels of the NR cell that need to be avoided do not exist within the bandwidth range of the LTE cell. In this way, the user of the terminal device in the LTE cell can enjoy up to 100% 4G peak experience.

[0152] Using the frequency domain resource division method shown in Figure 13 as an example. A terminal device in an NR cell may determine that the available bandwidth range is 30 MHz. However, when the overhead of the control channel in LTE is subtracted from the actual available bandwidth range, the actual available bandwidth range may be approximately 90% of the dedicated bandwidth range 10 MHz + the shared bandwidth range 20 MHz, i.e., 10 + 20 × 90% = 28 MHz. A terminal device in an LTE cell may determine that the available bandwidth range is 20 MHz. In this way, when there is no NR user in the NR cell, the actual available bandwidth range of the terminal device in the LTE cell is 20 MHz, and the terminal in the LTE cell does not need to support carrier aggregation or MBSFN subframes.

[0153] If the resource configuration method in this application is not used, the 30 MHz bandwidth is divided into two carriers, 20 MHz and 10 MHz, and each carrier needs to support spectrum sharing between LTE cells and NR cells, and a single terminal device combines the resources of the two carriers in a carrier aggregation manner. The final effect may be as follows:

[0154] (1) A terminal device in an NR cell may determine that an NR cell is obtained by performing carrier aggregation for a 20 MHz NR cell and a 10 MHz NR cell. In this case, the actual available resource of a terminal device in an NR cell minus the overhead of a control channel of an LTE cell is about 20×90%+10×90%=27 MHz. If a terminal device in an NR cell does not support carrier aggregation, the terminal device can only determine that the bandwidth range of an NR cell is 20 MHz and the actual available bandwidth resource is 20×90%=18 MHz. Compared with the resource configuration method in the present application, when the resource configuration method in the present application is not used, the actual available bandwidth resource of a terminal device in an NR cell is less than the actual available bandwidth resource of a terminal device when the resource configuration method in the present application is used.

[0155] (2) A terminal device in an LTE cell may determine that an LTE cell is obtained by performing carrier aggregation for a 20 MHz LTE cell and a 10 MHz LTE cell. Since an LTE cell needs to avoid control channels such as SSB of an NR cell, the LTE cell can only use the MBSFN mechanism. In this case, the actual available resource of a 20 MHz LTE cell is about 20×85%=17MHz, and the actual available resource of a 10 MHz LTE cell is about 10×85%=8.5MHz. If a terminal device in an LTE cell supports the MBSFN mechanism and the carrier aggregation mechanism (where a relatively small number of terminal devices support both of the two mechanisms in the current LTE legacy network), the terminal device in the LTE cell may use a bandwidth of about 25.5MHz. If a terminal device in an LTE cell supports the carrier aggregation mechanism but does not support the MBSFN mechanism, the performance of the terminal device is degraded. The specific degradation degree is related to the internal implementation of the terminal device, and only about 20×65%+10×65%=19.5MHz of resources are finally available. If the terminal device in the LTE cell does not support the carrier aggregation mechanism but supports the MBSFN mechanism, the final available resource of the terminal device in the LTE cell is only about 17MHz.

[0156] In this way, in the resource configuration method in the present application, the MBSFN mechanism does not need to be used, and the problem that the demodulation performance of the terminal device in the LTE cell is deteriorated because the CRS in LTE avoids the SSB in NR is solved, that is, the compatibility problem of the legacy terminal device during the use of the MBSFN mechanism can be avoided. In addition, when there is no NR user in the NR cell, no performance loss of the legacy LTE terminal device can be achieved. In addition, according to the resource configuration method in the present application, the terminal device in the NR cell and the terminal device in the LTE cell can obtain relatively high available bandwidth resources, thereby maximizing the utilization rate of the frequency domain resources.

[0157] It can be understood that to implement the aforementioned functions, the communication device includes corresponding hardware and / or software modules for performing the functions. The communication device can be the aforementioned access network device or BBU. The algorithm steps in the examples described with reference to the embodiments disclosed herein can be implemented by the hardware in this application, or a combination of hardware and computer software. Whether the functions are performed by the hardware or by the hardware driven by the computer software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions with reference to the embodiments for each specific application, but this implementation should not be considered as going beyond the scope of the present application.

[0158] In the embodiment, the division of the functional modules may be performed for the communication device based on the above-mentioned method example. For example, various functional modules may be divided corresponding to various functions, or two or more functions may be integrated into one processing module. The integrated module may be implemented by hardware. It should be noted that the module division of the embodiment is an example and is merely a logical function division. In actual implementation, there may be another division scheme.

[0159] In the case where each functional module is divided corresponding to each function, Fig. 14 is a schematic diagram of a possible composition of the access network device 140 included in the above embodiment. As shown in Fig. 14, the access network device 140 may include a processing unit 1401 and a transceiver unit 1402. The processing unit 1401 may include the above-mentioned BBU, and the transceiver unit 1402 may include the above-mentioned RRU and antenna, or may include an AAU.

[0160] The processing unit 1401 may be configured to support the access network device 140 in performing steps 101, 121, 123, 125, 126, and the like, and / or other processes of the techniques described herein.

[0161] The transceiver unit 1402 may be configured to support the access network device 140 in performing steps 102, 122, 124, and the like, and / or other processes of the techniques described herein.

[0162] It should be noted that all the relevant contents of the steps included in the above method embodiments may be cited in the functional descriptions of the corresponding functional modules, and the details will not be described again in this specification.

[0163] The access network device 140 provided in this embodiment is configured to perform the above-mentioned resource configuration method, and can thus achieve the same effects as the above-mentioned implementation method.

[0164] When an integrated unit is used, the access network device 140 may include a processing module and a communication module. The processing module may be configured to control and manage the operation of the access network device 140, e.g., to support the access network device 140 in performing steps performed by the processing unit 1401. The communication module may be configured to support the access network device 140 in communicating with another device, e.g., with a terminal device.

[0165] The processing module may be a processor or a controller. The processing module may implement or execute the logic blocks, modules and circuits in various examples described with reference to the contents disclosed in this application. The processor may alternatively be a combination for implementing computing functions, such as a combination of one or more microprocessors, or a combination of a digital signal processor (DSP) and a microprocessor. The access network device may further include a memory configured to store programs and / or instructions of the access network device. The memory may further store data. The communication module may specifically be a transceiver, such as a radio frequency circuit, a Bluetooth chip, or a Wi-Fi chip, that communicates with another electronic device.

[0166] In an embodiment, when the processing module is a processor and includes a memory, the access network device 140 included in this embodiment may be an access network device 15 having the structure shown in FIG. 15, including a processor 150, a transceiver 151, and a memory 152.

[0167] The access network device 15 may include one or more processors 150. The processor 150 may be a general-purpose processor or a special-purpose processor. For example, the processor may be a baseband processor or a central processing unit. The baseband processor may be configured to process communication protocols and communication data. The central processing unit may be configured to control the base station or chip, execute software programs, and process data of the software programs. Optionally, the processor 150 may also store instructions and / or data.

[0168] An embodiment of the present application further provides a communication system, the communication system including the aforementioned access network device and the aforementioned terminal device.

[0169] The embodiment of the present application further provides a computer-readable medium configured to store a computer program code. The computer program includes instructions used to execute a method performed by an access network device in the aforementioned communication method. The readable medium may be a read-only memory (ROM) or a random access memory (RAM). This is not limited in the embodiment of the present application.

[0170] The present application further provides a computer program product, which includes instructions, which when executed, enable an access network device to perform operations corresponding to the access network device in the aforementioned method.

[0171] The embodiment of the present application further provides a system chip. The system chip includes a processing unit and a communication unit. The processing unit can be, for example, a processor, and the communication unit can be, for example, an input / output interface, a pin, a circuit, or the like. The processing unit can execute computer instructions, so that the communication device to which the chip is applied performs the operation of an access network device in the aforementioned method provided in the embodiment of the present application.

[0172] Based on the above implementation description, those skilled in the art can understand that for the purpose of convenience and simple description, the above division of functional modules is used only as an example for description. During actual application, the above functions can be assigned and completed by different functional modules according to requirements. In other words, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above.

[0173] In the embodiments provided in this application, it should be understood that the disclosed apparatus and method can be implemented in other ways. For example, the described apparatus embodiments are merely examples. For example, the division of modules or units is merely a division of logical functions, and may be other divisions during actual implementation. For example, multiple units or components may be combined or integrated into another apparatus, or some features may be ignored or not implemented. Furthermore, the shown or discussed mutual couplings or direct couplings or communication connections may be implemented through some interfaces. Indirect couplings or communication connections between apparatuses or units may be realized in an electrical, mechanical, or other form.

[0174] The units described as separate parts may or may not be physically separate, and the parts shown as units may be one or multiple physical units, i.e., located in one location or distributed in multiple different locations. To achieve the objectives of the solutions of the embodiments, some or all of the units may be selected based on actual requirements.

[0175] In addition, the multiple functional units in the embodiments of the present application may be integrated into one processing unit, or each of the multiple units may exist physically alone, or two or more units may be integrated into one unit. The integrated unit may be implemented in the form of hardware or in the form of a software functional unit.

[0176] When the integrated unit is realized in the form of a software functional unit and sold or used as an independent product, the integrated unit may be stored in a readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially, or a part that contributes to the current technology, or all or a part of the technical solutions may be implemented in the form of a software product. The software product is stored in a storage medium and includes a plurality of instructions for instructing a device (which may be a single-chip microcomputer, or a chip, etc.) or a processor to execute all or a part of the steps of the method in the embodiments of the present application. The above-mentioned storage medium includes any medium capable of storing program code, such as a USB flash drive, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

[0177] The above content is merely a specific implementation of the present application, and is not intended to limit the scope of protection of the present application. Any variations or replacements that are easily conceived by those skilled in the art within the technical scope disclosed in this application shall be included in the scope of protection of the present application. Therefore, the scope of protection of the present application shall be subject to the scope of protection of the claims. [Other possible items] (Item 1) acquiring, by an access network device, first configuration information, where the first configuration information includes a bandwidth range of a new radio NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and a long term evolution LTE cell; and transmitting, by the access network device, the first configuration information to a terminal device in the NR cell; A resource configuration method comprising: (Item 2) acquiring, by the access network device, second configuration information, where the second configuration information includes a bandwidth range of the LTE cell, the bandwidth range of the LTE cell including the frequency domain resources shared by the LTE cell and the NR cell; and transmitting, by the access network device, the second configuration information to a terminal device in the LTE cell; 2. The method of claim 1, further comprising: (Item 3) 3. The method of claim 2, wherein the first configuration information is carried in a first system message and the second configuration information is carried in a second system message. (Item 4) The method further comprises: allocating, by the access network device, frequency domain resources to a first signal in the NR cell, where the frequency domain resources of the first signal are on the dedicated frequency domain resources. and wherein the first signal includes at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform a timing function with the access network device, a signal used by the terminal device to obtain cell channel state information, a signal used by the terminal device to determine a cell to be camped on, and a signal used by the terminal device to access the access network device. (Item 5) the signals used by the terminal device to synchronize with the access network device include a synchronization signal and a physical broadcast channel block SSB; the signals used by the terminal device to perform timing functions with the access network device include a tracking reference signal TRS; The signals used by the terminal device to estimate the cell channel state information include a channel state information reference signal CSI-RS and a demodulation reference signal DMRS; The signal used by the terminal device to determine a cell to be camped on includes a common physical downlink control channel (Common PDCCH); 5. The method of claim 4, wherein the signal used by the terminal device to access the access network device includes a physical random access channel (PRACH). (Item 6) The method further comprises: allocating, by the access network device, frequency domain resources of a physical downlink control channel (PDCCH) to the NR cell, where the frequency domain resources of the PDCCH are on the dedicated frequency domain resources, or the frequency domain resources of the PDCCH are on the shared frequency domain resources, or a portion of the frequency domain resources of the PDCCH are on the dedicated frequency domain resources and another portion is on the shared frequency domain resources. 4. The method according to any one of items 1 to 3, comprising: (Item 7) The method further comprises: 4. The method according to any one of claims 1 to 3, comprising a step of preferentially allocating the dedicated frequency domain resources to the second signal by the access network device when the access network device allocates frequency domain resources to the second signal in the NR cell. (Item 8) 8. The method according to item 7, wherein the second signal includes one of the following signals: a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, a physical uplink control channel PUCCH, and a physical uplink shared channel PUSCH. (Item 9) The method further comprises: transmitting, by the access network device, a rate matching template to the terminal device in the NR cell when the access network device determines that the shared frequency domain resources are allocated to a physical downlink control channel (PDCCH) or a physical downlink shared channel (PDSCH) of the NR cell, where the rate matching template instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving the PDCCH or the PDSCH. 4. The method according to any one of items 1 to 3, comprising: (Item 10) a processing unit configured to obtain first configuration information, where the first configuration information includes a bandwidth range of a new radio NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and a long term evolution LTE cell; and a transceiver unit configured to transmit the first configuration information to a terminal device in the NR cell; A communication device comprising: (Item 11) The processing unit further comprises: and configured to acquire second configuration information, where the second configuration information includes a bandwidth range of the LTE cell, the bandwidth range of the LTE cell including the frequency domain resources shared by the LTE cell and the NR cell; The transceiver unit is further configured to transmit the second configuration information to a terminal device in the LTE cell. Item 11. A communication device according to item 10. (Item 12) Item 12. The communication device of item 11, wherein the first configuration information is carried on a first system message and the second configuration information is carried on a second system message. (Item 13) The processing unit further comprises: configured to allocate frequency domain resources to a first signal in the NR cell, where the frequency domain resources of the first signal are on the dedicated frequency domain resources; The first signal includes at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform a timing function with the access network device, a signal used by the terminal device to obtain cell channel state information, a signal used by the terminal device to determine a cell to be camped on, and a signal used by the terminal device to access the access network device. 13. A communication device according to any one of items 10 to 12. (Item 14) The signals used by the terminal device to synchronize with the access network device include a synchronization signal and a physical broadcast channel block SSB; The signals used by the terminal device to perform timing functions with the access network device include a tracking reference signal TRS; The signals used by the terminal device to estimate the cell channel state information include a channel state information reference signal CSI-RS and a demodulation reference signal DMRS; The signal used by the terminal device to determine a cell to be camped on includes a common physical downlink control channel (Common PDCCH); The signal used by the terminal device to access the access network device includes a physical random access channel (PRACH); Item 14. A communication device according to item 13. (Item 15) The processing unit is further configured to allocate frequency domain resources of a physical downlink control channel (PDCCH) to the NR cell, where the frequency domain resources of the PDCCH are on the dedicated frequency domain resources, or the frequency domain resources of the PDCCH are on the shared frequency domain resources, or a portion of the frequency domain resources of the PDCCH are on the dedicated frequency domain resources and another portion is on the shared frequency domain resources. 13. A communication device according to any one of items 10 to 12. (Item 16) The processing unit is further configured to, when allocating frequency domain resources to a second signal in the NR cell, preferentially allocate the dedicated frequency domain resources to the second signal. 13. A communication device according to any one of items 10 to 12. (Item 17) Item 17. The communication device according to item 16, wherein the second signal includes one of the following signals: a physical downlink control channel PDCCH, a physical downlink shared channel PDSCH, a physical uplink control channel PUCCH, and a physical uplink shared channel PUSCH. (Item 18) The transceiver unit further comprises: When it is determined that the shared frequency domain resource is assigned to a physical downlink control channel (PDCCH) or a physical downlink shared channel (PDSCH) of the NR cell, a rate matching template is transmitted to the terminal device in the NR cell, where the rate matching template instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving the PDCCH or the PDSCH. 13. A communication device according to any one of items 10 to 12. (Item 19) 10. A computer-readable storage medium comprising computer instructions, the computer instructions being capable of causing an electronic device to perform the method according to any one of claims 1 to 9 when executed on the electronic device. (Item 20) 10. A computer program product, the computer program product comprising instructions which, when executed, perform the method according to any one of items 1 to 9. (Item 21) 10. A communication device comprising at least one processor configured to invoke a program stored in a memory to perform the method according to any one of items 1 to 9.

Claims

1. A resource configuration method, comprising: Obtaining first configuration information by an access network device, where the first configuration information includes a bandwidth range of a new radio NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and a long term evolution (LTE) cell; and transmitting, by the access network device, the first configuration information to a terminal device in the NR cell; Equipped with The resource configuration method includes: A resource configuration method, further comprising a step of determining, by the access network device, a location of the frequency domain resource based on a user level or service type of the terminal device when allocating a frequency domain resource of the NR cell's PDCCH to the terminal device.

2. acquiring, by the access network device, second configuration information, where the second configuration information includes a bandwidth range of the LTE cell, the bandwidth range of the LTE cell including the frequency domain resources shared by the LTE cell and the NR cell; and transmitting, by the access network device, the second configuration information to a terminal device in the LTE cell. The resource configuration method of claim 1 , further comprising:

3. 3. The method of claim 2, wherein the first configuration information is carried in a first system message and the second configuration information is carried in a second system message.

4. A step of allocating, by the access network device, frequency domain resources to a first signal in the NR cell, wherein the frequency domain resources of the first signal are on the dedicated frequency domain resources. Further comprising: The resource configuration method according to claim 1 , wherein the first signal includes a signal used by the terminal device to acquire cell channel state information including a channel state information reference signal CSI-RS and a demodulation reference signal DMRS.

5. 5. The resource configuration method of claim 4, wherein the first signal further includes at least one of the following signals: a signal used by the terminal device to synchronize with the access network device, a signal used by the terminal device to perform timing functions between the access network device, a signal used by the terminal device to determine a cell to be camped on, and a signal used by the terminal device to access the access network device.

6. The signals used by the terminal device to synchronize with the access network device include a synchronization signal and a physical broadcast channel block (SSB); The signals used by the terminal device to perform timing functions with the access network device include a tracking reference signal TRS; The signal used by the terminal device to determine a cell to be camped on includes a common physical downlink control channel (Common PDCCH); and The resource configuration method according to claim 5 , wherein the signal used by the terminal device to access the access network device includes a physical random access channel (PRACH).

7. Allocating, by the access network device, frequency domain resources of a physical downlink control channel (PDCCH) to the NR cell, where the frequency domain resources of the PDCCH are on the dedicated frequency domain resources, or the frequency domain resources of the PDCCH are on the shared frequency domain resources, or a portion of the frequency domain resources of the PDCCH are on the dedicated frequency domain resources and another portion is on the shared frequency domain resources. The resource configuration method of claim 1 , further comprising:

8. The resource configuration method according to any one of claims 1 to 7, further comprising a step of preferentially allocating the dedicated frequency domain resources to the second signal by the access network device when the access network device allocates frequency domain resources to the second signal in the NR cell.

9. The resource configuration method of claim 8, wherein the second signal comprises one of the following signals: a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH).

10. When the access network device determines that the shared frequency domain resource is allocated to a physical downlink control channel PDCCH or a physical downlink shared channel PDSCH of the NR cell, transmitting a rate matching template by the access network device to the terminal device in the NR cell, where the rate matching template instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving the PDCCH or the PDSCH. The resource configuration method of claim 1 , further comprising:

11. A processing unit configured to obtain first configuration information, where the first configuration information includes a bandwidth range of a new radio NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and a long term evolution (LTE) cell; and a transceiver unit configured to transmit the first configuration information to a terminal device in the NR cell; Equipped with The processing unit is further configured to determine a location of the frequency domain resource based on a user level or service type of the terminal device when allocating a frequency domain resource of the NR cell's PDCCH to the terminal device.

12. The processing unit further comprises: and acquiring second configuration information, where the second configuration information includes a bandwidth range of the LTE cell, the bandwidth range of the LTE cell including the frequency domain resources shared by the LTE cell and the NR cell; and The transceiver unit is further configured to transmit the second configuration information to a terminal device in the LTE cell. The communication device according to claim 11.

13. 13. The communication device of claim 12, wherein the first configuration information is carried on a first system message and the second configuration information is carried on a second system message.

14. The processing unit is further configured to allocate frequency domain resources to a first signal in the NR cell, where the frequency domain resources of the first signal are on the dedicated frequency domain resources; 14. The communication device according to claim 11, wherein the first signal includes a signal used by the terminal device to acquire cell channel state information including a channel state information reference signal CSI-RS and a demodulation reference signal DMRS.

15. The first signal further includes at least one of the following signals: a signal used by the terminal device to synchronize with an access network device, a signal used by the terminal device to perform a timing function with the access network device, a signal used by the terminal device to determine a cell to be camped on, and a signal used by the terminal device to access the access network device.

15. The communication device of claim 14.

16. The signals used by the terminal device to synchronize with the access network device include a synchronization signal and a physical broadcast channel block (SSB); The signals used by the terminal device to perform timing functions with the access network device include a tracking reference signal TRS; The signal used by the terminal device to determine a cell to be camped on includes a common physical downlink control channel (Common PDCCH); and The signal used by the terminal device to access the access network device includes a physical random access channel (PRACH).

16. The communication device of claim 15.

17. The processing unit is further configured to allocate a frequency domain resource of a physical downlink control channel (PDCCH) to the NR cell, where the frequency domain resource of the PDCCH is on the dedicated frequency domain resource, or the frequency domain resource of the PDCCH is on the shared frequency domain resource, or a part of the frequency domain resource of the PDCCH is on the dedicated frequency domain resource and another part is on the shared frequency domain resource. A communication device according to any one of claims 11 to 16.

18. The processing unit is further configured to, when allocating frequency domain resources to a second signal in the NR cell, preferentially allocate the dedicated frequency domain resources to the second signal. A communication device according to any one of claims 11 to 17.

19. 20. The communications device of claim 18, wherein the second signal comprises one of the following signals: a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH).

20. The transceiver unit further comprises: When it is determined that the shared frequency domain resource is assigned to a physical downlink control channel PDCCH or a physical downlink shared channel PDSCH of the NR cell, a rate matching template is transmitted to the terminal device in the NR cell, where the rate matching template instructs the terminal device not to receive data on resources indicated by the rate matching template when receiving the PDCCH or the PDSCH.

20. A communication device according to any one of claims 11 to 19.

21. 1. A computer program comprising computer instructions, the computer instructions, when executed on an electronic device, causing the electronic device to: Obtaining first configuration information, where the first configuration information includes a bandwidth range of a new radio NR cell, the bandwidth range of the NR cell including a dedicated frequency domain resource of the NR cell and a frequency domain resource shared by the NR cell and a long term evolution (LTE) cell; and Transmitting the first configuration information to a terminal device in the NR cell; Run the command, The computer instructions may be configured to cause the electronic device to: A computer program further comprising: when allocating a frequency domain resource of a PDCCH of the NR cell to the terminal device, determining a location of the frequency domain resource based on a user level or service type of the terminal device.

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