WO2021022887A1

WO2021022887A1 - Method and apparatus for configuring synchronization signal/physical broadcast channel block transmission power

Info

Publication number: WO2021022887A1
Application number: PCT/CN2020/093996
Authority: WO
Inventors: 袁世通; 刘凤威; 邱晶
Original assignee: 华为技术有限公司
Priority date: 2019-08-05
Filing date: 2020-06-02
Publication date: 2021-02-11
Also published as: CN112333811A; CN112333811B

Abstract

Embodiments of the present application provide a method and apparatus for configuring synchronization signal/physical broadcast channel block transmission power, which are used to enable an IAB node to determine SS/PBCH block transmission power in a backhaul link. The method comprises: a first network device determining a transmission power for transmitting a SS/PBCH block, and transmitting the SS/PBCH block using the transmission power, wherein the SS/PBCH block is used by a second device to discover and measure the first network device, and the transmission power for transmitting the SS/PBCH block is related to a reference transmission power.

Description

Synchronous signal/physical broadcast channel block transmission power configuration method and device

This application requires the priority of a Chinese patent application filed with the State Intellectual Property Office of China, the application number is 201910716015.0, and the application title is "A synchronization signal/physical broadcast channel block transmission power configuration method and device" on August 5, 2019. The entire content is incorporated into this application by reference.

Technical field

This application relates to the field of communication technology, and in particular to a method and device for configuring the transmission power of a synchronization signal/physical broadcast channel block.

Background technique

Compared with long term evolution (LTE), 5G new radio (NR) technology can use a larger bandwidth, for example, millimeter wave frequency bands can be used, and large-scale antennas and multi-beam systems can be applied. Therefore, 5G The NR system can provide a higher system rate, which provides conditions for the development and application of integrated access and backhaul (IAB) technology for 5G NR. The IAB node is the node that integrates the wireless access link and the wireless backhaul link. The access link is the communication link between the user equipment (UE) and the IAB node, and the wireless backhaul link is the IAB node The communication link between, for data return, so the IAB node does not need a wired transmission network for data return.

For the IAB node, considering the limitation of half-duplex, the IAB node cannot receive and send data on the backhaul link and the access link at the same time, that is, when the IAB node receives the backhaul link data of the superior node, it cannot be on the access link. Send data. When the IAB node sends data to the superior node on the backhaul link, it cannot receive data on the access link.

Currently, NR defines a backhaul link synchronization signal/physical broadcast channel block (SS/PBCH block, SSB), and the backhaul link SSB is used for mutual discovery and measurement of IAB nodes. However, the existing protocol does not support configuring the transmission power for the backhaul link SSB. When the backhaul link SSB is not configured with power, the IAB cannot determine the transmission power of the backhaul link SSB.

Summary of the invention

This application provides a SS/PBCH block transmission power configuration method and device, which are used by the IAB node to determine the transmission power of the backhaul link SSB.

In the first aspect, the SS/PBCH block transmission power configuration method of the embodiment of the present application includes: the first network device determines the transmission power of the first SS/PBCH block, and transmits the first SS/PBCH block with the transmission power, where: The transmit power of the first SSB is related to the reference transmit power, and the first SS/PBCH block is used by the second device to discover and measure the first network device. In the embodiment of this application, the network device can determine the transmission power of the backhaul link SS/PBCH block according to the reference transmission power. In this way, the network device can transmit the power of the access link SS/PBCH block different from the backhaul link SS/PBCH. The transmit power of the block. One advantage of this configuration is that it can increase the robustness of the network. Even if the range of access services provided by the network device is small, it can still support a large mutual discovery range, so that more potential backhaul nodes can be discovered. Another advantage is that the network device transmits the access link SS/PBCH block with a larger transmission power, so that more terminals can access within the coverage of the network device. At this time, the network device can use lower power to transmit the backhaul link SSB, that is, when the capacity of the backhaul link is limited, the power consumption of the network device can be saved by adjusting the transmission power of the network device.

In a possible design, when the first network device determines the transmission power of the first SS/PBCH block, it may specifically: receive configuration information, and the configuration information is used to configure the first SS/PBCH block. When the configuration information does not include the information indicating the transmission power of the first SS/PBCH block, the transmission power of the first SS/PBCH block is determined based on the reference transmission power. The reference transmission power may be the first network device sending the first terminal device to the first terminal device. Second, the transmission power of the SS/PBCH block, or the reference transmission power can also be the transmission power of the third SS/PBCH block sent by the second network device to the second terminal device, where the second network device is the superior of the first network device node. Through the above design, when the configuration information does not configure the transmission power of the first SS/PBCH block, the network device can use the transmission power of its own access link SS/PBCH block or the access link SS/PBCH block of the upper node. The transmission power determines the block of the backhaul link SS/PBCH.

In a possible design, when the first network device determines the transmission power of the first SS/PBCH block, it may also specifically include: receiving configuration information, where the configuration information is used to configure the first SS/PBCH block. When the configuration information includes information indicating the transmission power of the first SS/PBCH block, the transmission power of the first SS/PBCH block may be determined based on the transmission power indicated by the configuration information. In the above design, the transmission power of the backhaul link SS/PBCH block is explicitly configured, so that the network device can determine the transmission power of the backhaul link SS/PBCH block according to the configuration information.

In a possible design, when the first network device determines the transmission power of the first SS/PBCH block based on the reference transmission power, the reference transmission power may be used as the transmission power for transmitting the first SS/PBCH block. The above design provides a rule so that the network device can determine the transmission power of the first SS/PBCH block according to the reference transmission power.

In a possible design, the configuration information may also include a power offset value. When the first network device determines the transmission power of the first SS/PBCH block based on the reference transmission power, the first network device determines the transmission power of the first SS/PBCH block based on the reference transmission power and the power offset value. In the above design, the power offset value is indicated, so that the network device determines the transmission power of the backhaul link SS/PBCH block based on the reference transmission power combined with the power offset value.

In a possible design, the configuration information may also include multiple power offset values, and one first SS/PBCH block is associated with one power offset value. When the first network device determines the transmit power of the first SS/PBCH block based on the reference transmit power, it may determine the transmit power of the first SS/PBCH block based on the reference transmit power and the power offset value associated with the first SS/PBCH block . In the above design, by configuring different power offset values for different backhaul links SS/PBCH blocks, the flexibility of the transmission power of the backhaul links SS/PBCH blocks can be improved.

In a possible design, if the first network device is configured with one second SS/PBCH block configuration information, then the reference transmission power may be the transmission power included in the second SS/PBCH block configuration information. If the first network device is configured with multiple second SS/PBCH block configuration information, then the reference transmission power can be any one of the multiple second SS/PBCH block configuration information included in the second SS/PBCH block configuration information. Power, or, the reference transmission power may also be the transmission power included in one specific second SS/PBCH block configuration information in multiple second SS/PBCH block configuration information. Through the above design, the network device can determine which second SS/PBCH block to send when configured with multiple second SS/PBCH block configuration information, that is, when there are multiple second SS/PBCH block transmission powers The power can be used as the reference transmit power.

In a possible design, the specific second SS/PBCH block configuration information may be the first activated second SS/PBCH block configuration information among the multiple second SS/PBCH block configuration information. The above design defines a rule, and the network device can follow this rule to select one of the transmission powers included in the multiple second SS/PBCH block configuration information as the reference transmission power.

In a possible design, the specific second SS/PBCH block configuration information may also be the first configured second SS/PBCH block configuration information among multiple second SS/PBCH block configuration information. The above design defines another rule, and the network device can follow this rule to select one of the transmission powers included in the multiple second SS/PBCH block configuration information as the reference transmission power.

In a possible design, the specific second SS/PBCH block configuration information may also be the first received second SS/PBCH block configuration information among multiple second SS/PBCH block configuration information. The above design defines yet another rule. The network device can follow this rule to select one of the transmission powers included in the multiple second SS/PBCH block configuration information as the reference transmission power.

In a possible design, the specific second SS/PBCH block configuration information may also be the second SS/PBCH block configuration information used to configure the primary cell among multiple second SS/PBCH block configuration information. The above design defines a rule, and the network device can follow this rule to select one of the transmission powers included in the multiple second SS/PBCH block configuration information as the reference transmission power.

In a possible design, the configuration information may also include first indication information, the first indication information is used to indicate the reference cell or reference frequency of the first network device, and the specific second SS/PBCH block configuration information may also be The second SS/PBCH block configuration information corresponding to the reference cell or reference frequency point. The above design defines a rule. The network device can select one of the transmission powers included in multiple second SS/PBCH block configuration information as the reference transmission power according to the indication of the reference cell or reference frequency in the configuration information.

In a possible design, the configuration information includes second indication information, the second indication information is used to indicate the second SS/PBCH block as a reference signal, and the specific second SS/PBCH block configuration information can also be used as a reference signal Second SS/PBCH block configuration information corresponding to the second SS/PBCH block. The above design defines a rule. The network device can select one of the transmission powers included in the multiple second SS/PBCH block configuration information as the reference transmission power according to the indication of the reference signal in the configuration information.

In a possible design, the configuration information includes the frequency domain location information of the first SS/PBCH block, and the specific second SS/PBCH block configuration information may be the frequency domain location information of multiple second SS/PBCH block configuration information and The second SS/PBCH block configuration information with the same frequency domain location information carried in the configuration information. The above design defines a rule. The network device can select one of the transmission powers included in the multiple second SS/PBCH block configuration information as the reference transmission power according to the frequency domain location information of the first SS/PBCH block.

In a possible design, the specific second SS/PBCH block configuration information may also be multiple second SS/PBCH block configuration information carrying the reference indicated second SS/PBCH block configuration information. The above design defines a rule. The network device can select the transmission power included in the second SS/PBCH block configuration information carrying the reference indication from among multiple second SS/PBCH block configuration information as the reference transmission power.

In a possible design, the first network device may also receive the system information block broadcast by the second network device, where the system information block includes the transmission power of one or more third SS/PBCH blocks. Through the above design, the network device can obtain the transmission power of the third SS/PBCH block sent by the upper node through the system information block message sent by the upper node.

In a possible design, the system information block may be system information block 1 (SIB1).

In a possible design, when a transmission power is included in the system information block, the reference transmission power may be the transmission power included in the system information block. Alternatively, when multiple transmission powers are included in the system information block, the reference transmission power may be any transmission power among the multiple transmission powers included in the system information block, and the reference transmission power may also be among the multiple transmission powers included in the system information block. Specific transmit power. Through the above design, the network device can determine which third SS/PBCH block to select as the reference transmission power when acquiring the transmission power of multiple third SS/PBCH blocks of the upper node.

In a possible design, the specific transmission power may be the transmission power corresponding to the reference cell or reference frequency of the second network device. The above design defines a rule, and the network device can follow this rule to select one of the multiple transmission powers included in the system information block as the reference transmission power.

In a possible design, the specific transmission power may also be the transmission power corresponding to the third SS/PBCH block of the second network device as the reference signal. The above design defines a rule, and the network device can follow this rule to select the transmission power of the reference signal of the upper node as the reference transmission power.

In a possible design, the specific transmission power may also be the transmission power of the third SS/PBCH block currently accessed by the first network device or currently activated by the second network device. The above design defines a rule, and the network device can follow this rule to select one of the multiple transmission powers included in the system information block as the reference transmission power.

In a possible design, the configuration information may also include the frequency domain position information of the first SS/PBCH block, and the specific transmission power may be the third SS/P whose frequency domain position information is the same as the frequency domain position information carried in the configuration information. Transmission power of PBCH block. The above design defines a rule. The network device can select one of the multiple transmission powers included in the system information block as the reference transmission power according to the frequency domain location information of the first SS/PBCH block.

In the second aspect, this application provides an SS/PBCH block transmit power configuration device. The device may be a network device, or a chip or chipset in the network device. The device may include a processing unit and a transceiving unit. When the device is a network device, the processing unit may be a processor, and the transceiving unit may be a transceiver; the device may also include a storage module, and the storage module may be a memory; the storage module is used to store instructions, and the processing unit The instructions stored in the storage module are executed, so that the network device executes the corresponding function in the first aspect. When the device is a chip or chipset in a network device, the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin or a circuit, etc.; the processing unit executes the instructions stored in the storage module to To enable the network device to perform the corresponding function in the above first aspect, the storage module can be a storage module (for example, register, cache, etc.) in the chip or chipset, or it can be located in the chip or chipset in the network device External storage module (for example, read only memory, random access memory, etc.).

In the third aspect, an SS/PBCH block transmission power configuration device is provided, which includes a processor, a communication interface, and a memory. The communication interface is used to transmit information, and/or messages, and/or data between the device and other devices. The memory is used to store computer-executable instructions. When the device is running, the processor executes the computer-executable instructions stored in the memory, so that the device executes the SS described in the first aspect or any one of the first aspects. /PBCH block transmit power configuration method.

In a fourth aspect, this application also provides a computer-readable storage medium having instructions stored in the computer-readable storage medium, which when run on a computer, cause the computer to execute any of the first aspect or the first aspect. Design the described SS/PBCH block transmission power configuration method.

In the fifth aspect, this application also provides a computer program product that includes instructions, which when run on a computer, causes the computer to execute the SS/PBCH block transmit power configuration described in the first aspect or any one of the first aspects. method.

In a sixth aspect, this application also provides a network system, which includes a first network device and a second device, wherein the first network device is the device described in the second or third aspect.

Description of the drawings

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

FIG. 2 is a schematic diagram of an SSB provided by an embodiment of the application;

FIG. 3 is a schematic diagram of a method for implementing SS/PBCH blocks staggered in time according to an embodiment of the application;

FIG. 4 is a schematic structural diagram of a network device provided by an embodiment of this application;

FIG. 5 is a schematic diagram of the result of another network device provided by an embodiment of this application;

FIG. 6 is a schematic structural diagram of an IAB node provided by an embodiment of this application;

FIG. 7 is a schematic structural diagram of another IAB node provided by an embodiment of this application;

FIG. 8 is a schematic flowchart of a method for configuring SS/PBCH block transmit power according to an embodiment of this application;

FIG. 9 is a schematic diagram of the effect of increasing the transmission power of the backhaul link SS/PBCH block according to an embodiment of the application;

FIG. 10 is a schematic diagram of the effect of reducing the transmission power of the backhaul link SS/PBCH block according to an embodiment of the application;

FIG. 11 is a schematic structural diagram of an SS/PBCH block transmit power configuration device provided by an embodiment of this application;

FIG. 12 is a schematic structural diagram of another SS/PBCH block transmit power configuration device provided by an embodiment of the application.

detailed description

With the continuous development of mobile communication technology, spectrum resources are becoming increasingly tight. In order to improve spectrum utilization, future base station deployment will be more intensive. In addition, dense deployment can avoid the appearance of coverage holes. Under the traditional cellular network architecture, the base station establishes a connection with the core network through optical fiber. However, in many scenarios, the deployment cost of optical fiber is very high. A wireless relay node (RN) establishes a connection with the core network through a wireless backhaul link, which can save part of the fiber deployment cost.

In order to better understand the embodiments of the present invention, the following describes the network architecture used in the embodiments of the present invention. Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a communication system to which an embodiment of this application is applied.

It should be noted that the communication systems mentioned in the embodiments of this application include but are not limited to: Internet of Things (IoT) systems, Internet of Vehicles, wireless local access network (WLAN) systems, LTE systems, and the next generation 5G mobile communication system or communication system after 5G, such as NR, device to device (D2D) communication system.

In the communication system shown in Figure 1, an integrated access backhaul IAB system is given. An IAB system includes at least one donor base station (Donor gNB, DgNB), and one or more terminal devices it serves (Figure 1 uses UE as an example) 101, one or more IAB nodes (Figure 1 uses a transmission access point (transmission reception point, TRP) as an example) rTRP 110. The rTRP 110 is connected to the donor base station 100 through a wireless backhaul link 113, and one or more UEs 111 served by the rTRP 110.

The IAB system may also include another or more IAB nodes rTRP 120. The one or more IAB nodes rTRP 120 are connected to the IAB node rTRP 110 through a wireless backhaul link 123 to access the system, and one or more of the IAB nodes served Multiple UE 121. In Figure 1, the IAB nodes rTRP 110 and rTRP 120 are both connected to the network through a wireless backhaul link. In this application, the wireless backhaul links are all viewed from the perspective of the IAB node. For example, the wireless backhaul link 113 is the backhaul link of the IAB node rTRP 110, and the wireless backhaul link 123 is the backhaul link of the IAB node rTRP 120. link. As shown in Figure 1, an IAB node, such as 120, can connect to another IAB node, such as 110, through a wireless backhaul link, such as 123, to connect to the network, and the IAB system can be connected to the network through a multi-level wireless relay The internet. Generally, the node that provides wireless backhaul link resources, such as 110, is called the upstream node (or, called the upper node), and the IAB node that accesses the network through the wireless backhaul link, such as 120, is called the downstream node ( Or, called subordinate nodes). Generally, the downstream node can be regarded as a terminal of the upstream node. It should be understood that in the IAB system shown in Figure 1, an IAB node is connected to an upstream node, but in the future IAB system, in order to improve the reliability of the wireless backhaul link, an IAB node, such as 120, may have multiple upstream nodes. The node also provides services for an IAB node. In this application, the

terminal equipment UE

102, 112, 122 may be stationary or mobile equipment. For example, the mobile device can be a mobile phone, a smart terminal, a tablet, a laptop, a video game console, a multimedia player, or even a mobile or stationary IAB node. Stationary devices are usually located in fixed locations, such as computers, access points (connected to the network via wireless links, such as IAB nodes), and so on. The name of the

IAB node rTRP

110, 120 does not limit the deployment scenario or network, and can be any other name such as relay, RN, etc. The use of rTRP in this application is only for the convenience of description.

In Figure 1, all

wireless links

102, 112, 122, 113, 123 are bidirectional links, including uplink and downlink transmission links. In particular,

wireless backhaul links

113, 123 can be used for upstream nodes as downstream nodes Provide services, for example, the upstream node 100 provides a wireless backhaul service for the downstream node 110. The downlink transmission refers to an upstream node, such as node 100, which is a downstream node, such as node 110, for transmission, and the uplink transmission refers to a downstream node, such as node 110, which transmits data to an upstream node, such as node 100. The node is not limited to whether it is a network node or a UE. For example, in a D2D scenario, the UE can act as a relay node to serve other UEs. The wireless backhaul link may be an access link in some scenarios. For example, the backhaul link 123 may also be regarded as an access link for the node 110, and the backhaul link 113 is also an access link of the node 100.

Network equipment includes but not limited to: evolved node B (evolved node base, eNB), radio network controller (RNC), node B (node B, NB), base station controller (base station controller, BSC) , Base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, or home node B, HNB), baseband unit (baseband Unit, BBU), eLTE (evolved LTE, eLTE) base station, NR base station ( next generation node B, gNB) or the base station of the next generation communication system.

The IAB node is a specific name of a relay node, which does not limit the solution of this application. It can be one of the aforementioned network equipment or terminal equipment with forwarding function, or it can be an independent device form. In this application, IAB node can generally refer to any node or device with a relay function. For example, the IAB node may be a module or device set on a mobile object, which includes but is not limited to devices in the Internet of Things, such as cars, trains, and airplanes. The use of IAB node and relay node in this application should be understood to have the same meaning.

Terminal equipment includes but is not limited to: UE, mobile station, access terminal, subscriber unit, user station, mobile station, remote station, remote terminal, mobile equipment, terminal, wireless communication equipment, user agent, wireless local access network , WLAN) station (ST), cell phone, cordless phone, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital assistant (personal digital assistant) , PDA), handheld devices with wireless communication capabilities, computing devices, other processing devices connected to wireless modems, in-vehicle devices, wearable devices, mobile stations in the future 5G network, and future public land mobile networks (public land mobile networks) network, PLMN) any of the terminal equipment in the network. Generally, the relay node establishes a wireless backhaul link with one or more upper-level nodes, and accesses the core network through the upper-level nodes. The upper node can perform certain control (for example, data scheduling, timing modulation, power control, etc.) on the relay node through a variety of signaling. In addition, the relay node can provide services for multiple subordinate nodes. The upper node of the relay node can be a base station or another relay node. The subordinate node of the relay node may be user equipment (UE) or another relay node. In some cases, the upper-level node can also be called the upstream node, and the lower-level node can also be called the downstream node.

In-band relay is a relay solution in which the backhaul link and the access link share the same frequency band. Since no additional spectrum resources are used, the in-band relay has the advantages of high spectrum efficiency and low deployment cost. In-band relay generally has a half-duplex constraint. Specifically, a relay node cannot send a downlink signal to its lower node when receiving a downlink signal sent by its upper node, and a relay node is receiving an uplink signal sent by its lower node. It cannot send an uplink signal to its superior node. The NR relay scheme can be called IAB, and the relay node is called IAB node (IAB node).

For the IAB network, the sum of available resources of the IAB node is fixed for the access link and the backhaul link, but it can dynamically change the resource division between the access and backhaul links, and meet the requirements of the terminal's immediate cross-networking demand.

In long term evolution (LTE), network devices broadcast common reference signals (CRS) for UEs to perform downlink synchronization and cell quality measurement. In 5G NR, due to the evolution of cellular communication to high frequency, all downlink signals in the system are sent in the form of beams. This kind of signal that provides downlink synchronization in the form of a beam is called synchronization signal and physical broadcast channel block (synchronization signal and PBCH block, SS/PBCH block), and SS/PBCH block can also be called synchronization signal block (SS/PBCH block, SSB). ). The base station sends the SS/PBCH block to all directions in time, and within a period of time (the current protocol is within 5ms), the SS/PBCH block is sent in all directions. As shown in Figure 2, an SS/PBCH block consists of a primary synchronization signal (primary synchronization signal, PSS), a secondary synchronization signal (secondary synchronization signal, SSS), and a physical broadcast channel (physical broadcast channel, PBCH). UEs in different locations can detect one or more SS/PBCH blocks.

When the IAB node needs to access the network, it also needs to detect the SS/PBCH block sent by other network devices. However, due to the half-duplex constraint, when the IAB node receives the backhaul link data of the superior node, it cannot send data on the access link. When the IAB node sends data to the superior node on the backhaul link, it cannot receive data on the access link. data. Therefore, when the IAB node measures the SS/PBCH block sent by other network devices, it cannot send the SS/PBCH block to the terminal device. Therefore, the location where the IAB sends the SS/PBCH block itself needs to be different from other nodes. Figure 3 is a possible implementation method of staggered sending SS/PBCH block in time. Among them, in order that different IAB nodes can measure each other, some SS/PBCH block transmissions will be muted, that is, the gray transmission positions in FIG. 3. When an IAB node does not send SS/PBCH block, it can measure the SS/PBCH block sent by other nodes.

However, in the method shown in Figure 3, some SS/PBCH blocks may be silent, which affects the access of ordinary UEs to network equipment. Currently, network equipment can send two types of SS/PBCH blocks. One is for the terminal to initially access the network equipment. This type of SS/PBCH block can be called an access link (access link) SSB. The other is used for mutual discovery and measurement between network devices. This SS/PBCH block can be called a backhaul link (backhaul link) SSB. In order to prevent the terminal from detecting the backhaul link SSB by mistake during initial access, the backhaul link SSB can be placed on an asynchronous grid frequency. Therefore, the backhaul link SSB can also be called off-sync raster SSB.

The synchronization signal block used for the initial access of the terminal (ie, the access link SSB) can also be used to measure the discovery and measurement of the network device and other network devices. However, the synchronization signal block (that is, the backhaul link SSB) used for the discovery and measurement of the network equipment and other network equipment is not on the initial scanning frequency point of the terminal defined by the protocol (that is, the synchronization grid frequency point). This synchronization signal block cannot be used for the terminal to initially access the network equipment.

At present, the access link SSB has not yet determined how to configure it. There are two possible scenarios: 1. Through the synchronization signal transmission configuration (synchronization signal transmission configuration or SSB/PBCH transmission configuration, STC) of the access link SSB, the connection The STC of the incoming link SSB can be configured by the CU; 2. It can be configured through the operation and management (OAM) server, and the signaling transfer protocol of the OAM configuration access link SSB can be the Internet protocol (IP). )protocol.

The backhaul link SSB is configured through the STC of the backhaul link SSB. The STC of the backhaul link SSB is as follows: Agreements:

The configurable values of the parameters in STC for IAB node discovery and measurement are provided in the following:

●SSB center frequency:

○ ARFCN-ValueNR

●SSB subcarrier spacing:

○ FR1: 15khz, 30khz

○ FR2: 120khz, 240khz

●SSB transmissionperiodicity:

○ 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms (agreed in RAN1#96bis)

● SSB transmission timing offset in half frame(s)

○ [0,...,(number of half frames within SSB transmission periodicity)-1]

● The index of SSBs to transmit (the SSBs to be transmitted in the half frame)

○ Same as Rel-15

FFS additional parameter(s) other than above.

The information contained in the STC of the backhaul link SSB includes: center frequency, subcarrier spacing, transmission period, half-frame offset (that is, which 5ms in an SSB period), and the index of the sending SSB (for example, 64 SSBs) Which ones were posted and which ones were not posted). However, the existing protocol does not support configuring the transmission power for the backhaul link SSB, and it is not clear how the network device determines the transmission power of the backhaul link SSB when the backhaul link SSB is not configured with power. Based on this, the embodiments of the present application provide a method and device for SS/PBCH block transmission power configuration. Among them, the method and the device are based on the same technical idea. Since the principles of the method and the device to solve the problem are similar, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.

The SS/PBCH block transmit power configuration method provided by the embodiments of this application can be applied to the communication system shown in FIG. 1. It should be understood that FIG. 1 is only an exemplary illustration, and does not affect the terminal equipment and network included in the communication system. The number of equipment is specifically limited.

Exemplarily, the structure of the network device in the embodiment of the present application may be as shown in FIG. 4. Specifically, the radio access network device can be divided into a centralized unit (centralized unit, CU) and at least one distributed unit (distributed unit, DU). Wherein, the CU may be used to manage or control at least one DU, and it may also be called that the CU is connected to at least one DU. This structure can disassemble the protocol layer of the wireless access network equipment in the communication system, where part of the protocol layer is centrally controlled by the CU, and the remaining part or all of the protocol layer functions are distributed in the DU, and the CU centrally controls the DU. Taking the radio access network device as gNB as an example, the protocol layer of gNB includes the radio resource control (radio resource control, RRC) layer, the service data adaptation protocol (SDAP) layer, and the packet data convergence protocol (packet data). The convergence protocol (PDCP) layer, radio link control (RLC) layer, media access control (MAC) layer, and physical layer. Among them, exemplarily, the CU may be used to implement the functions of the RRC layer, the SDAP layer, and the PDCP layer, and the DU may be used to implement the functions of the RLC layer, the MAC layer, and the physical layer. The embodiment of the present application does not specifically limit the protocol stack included in the CU and DU.

The CU in the embodiment of the present application may be further divided into a control plane (CU-control plane, CU-CP) network element and multiple user plane (CU-user plane, CU-UP) network elements. Among them, CU-CP can be used for control plane management, and CU-UP can be used for user plane data transmission. The interface between CU-CP and CU-UP can be E1 port. The interface between CU-CP and DU can be F1-C, which is used for the transmission of control plane signaling. The interface between CU-UP and DU can be F1-U, which is used for user plane data transmission. CU-UP and CU-UP can be connected through the Xn-U port for user plane data transmission. For example, taking gNB as an example, the structure of gNB may be as shown in FIG. 5.

Further, if the network device is a relay device, especially an IAB node, the network device may include a mobile terminal (MT) function and a DU function. The IAB node communicates with the upper-level node through the MT. The DU is the base station function module of the IAB node. It is used to realize the functions of the RLC layer, the MAC layer and the physical layer. It is mainly responsible for scheduling, physical signal generation and transmission, that is, the IAB node communicates with the lower-level node through the DU The node communicates with the UE, as shown in Figure 6. Both the MT and DU of the IAB node have a complete transceiver unit, and there is an interface between the two. However, it should be noted that MT and DU are logic modules. In practice, they can share some sub-modules, for example, they can share transceiver antennas, baseband processing units, etc., as shown in Figure 7.

The multiple involved in this application refers to two or more.

In addition, it should be understood that in the description of this application, words such as “first” and “second” are only used for the purpose of distinguishing description, and cannot be understood as indicating or implying relative importance, nor can it be understood as indicating Or imply the order.

The SS/PBCH block transmission power configuration method provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to Fig. 8, a flowchart of a method for configuring SS/PBCH block transmit power provided by this application, the method includes:

S801. The first network device determines the transmission power of the first SS/PBCH block, where the transmission power of the first SS/PBCH block is related to the reference transmission power, and the first SS/PBCH block is used by other devices to discover and measure the first network Device, other devices here can be other IAB nodes.

In the embodiment of the present application, the first network device may be a network device that performs data backhaul with other network devices. For example, the first network device may be a relay device RN, or the first network device may also be an IAB node, or It may also be the DU of the RN, the DU of the IAB node, etc., and there is no specific limitation here.

Exemplarily, the first SS/PBCH block may be the backhaul link SS/PBCH block, and the backhaul link SS/PBCH block may also be referred to as the backhaul link SSB.

S802: The first network device sends the first SS/PBCH block at the determined transmission power.

Currently, it is not supported to configure the transmission power for the backhaul link SSB, and it is not clear how the network device determines the transmission power of the backhaul link SSB when the backhaul link SSB is not configured with power. In the embodiment of the present application, the network device may determine the transmission power of the backhaul link SSB according to the reference transmission power. In this way, the transmission power of the access link SSB by the network device may be different from the transmission power of the backhaul link SSB. One advantage of this configuration is that it can increase the robustness of the network. Even if the network device provides access services in a small range, it can still support a large mutual discovery range, so that more potential backhaul nodes can discover the network device , As shown in Figure 9. Another advantage is that the network device transmits the access link SSB with a larger transmission power, so that more terminals can access within the coverage of the network device. At this time, the network device can use a smaller power to transmit the backhaul link SSB, that is, when the capacity of its own backhaul link is limited, the power consumption of the network device can be saved by adjusting the transmission power of the network device, as shown in Figure 10.

In summary, supporting the configuration of the transmission power of the backhaul link SSB, and supporting the backhaul link SSB with a different transmission power from the access link SSB, has potential benefits for flexible network deployment and network performance.

Exemplarily, in this embodiment of the present application, the reference transmission power may be the transmission power included in the configuration information received by the network device. The configuration information is used to configure the first SS/PBCH block. For example, the configuration information may be Backhaul link STC, or the reference transmission power can also be the transmission power of the second SS/PBCH block sent by the first network device to the first terminal device, or the reference transmission power can also be the second network device’s transmission to the second terminal The device sends the transmit power of the third SS/PBCH block, where the second network device is an upper-level node of the first network device. Among them, the second SS/PBCH block can be used for the first terminal to access the first network device, and the third SS/PBCH block can be used for the second terminal to access the second network device.

The second SS/PBCH block may be the access link SS/PBCH block sent by the first network device. The third SS/PBCH block may be the access link SS/PBCH block sent by the second network device. The access link SS/PBCH block can also be called the access link SSB. For the convenience of description, the first SS/PBCH block is referred to as the backhaul link SSB, and the second SS/PBCH block and the third SS/PBCH block are referred to as the access link SSB. It should be understood that the pair here is only one This exemplary name does not specifically limit the names of the first SS/PBCH block, the second SS/PBCH block, and the third SS/PBCH block.

In a specific implementation, the second network device broadcasts the transmission power of an SSB on the air interface, and this transmission power can be used for the terminal device to calculate the downlink path loss for initial access. For example, the DU of the second network device broadcasts the transmission power of the access link SSB on the air interface through the system message block. Exemplarily, the system message block may be system information block 1 (SIB1). Thus, the first network device can receive the broadcast information of the second network device, where the broadcast information includes the transmission power of the second network device access link SSB. Specifically, the broadcast message is received by the MT module of the first network device. For the convenience of description, the following description takes the system message block as SIB1 as an example.

When the configuration information received by the first network device does not include the transmit power, the transmit power of the first network device's access link SSB to the first terminal device can be used as the reference transmit power, or the second network device can also be used Send the transmission power of the access link SSB as the reference transmission power to the second terminal device. It can be understood that when the first network device does not include the transmit power in the configuration information, the response can be determined based on the transmit power of the access link SSB of the first network device or the transmit power of the access link SSB of the second network device. Transmission power of the SSB link.

When the configuration information received by the first network device includes information indicating the transmission power, the first network device may use the transmission power indicated in the configuration information as the reference transmission power. It can be understood that, when the configuration information includes the information indicating the transmission power, the first network device determines the transmission power of the transmission backhaul link SSB based on the indicated transmission power. For example, the configuration information may directly include the transmission power, and in this way, the energy per resource element (EPRE) of the secondary synchronization signal SSS in the backhaul link SSB is indicated. For another example, the configuration information includes a parameter, which is used to indicate the transmission power of the backhaul link SSB. Exemplarily, the first network device pre-stores a table of correspondences between the first parameter and the transmission power information of the backhaul link SSB. When the first parameter takes the first value, the transmission power of the backhaul link SSB is x, and when the first parameter When the second value is taken, the transmission power of the backhaul link SSB is y. The configuration information may indirectly indicate the transmission power of the backhaul link SSB by indicating the first parameter.

In specific implementation, the first network device may receive the foregoing configuration information before determining the transmission power of the backhaul link SSB. Specifically, the configuration information may be sent by the Donor node of the first network device to the first network device. For the convenience of description, the configuration information is referred to as the backhaul link STC below.

In specific implementation, the first network device may cover one cell or multiple cells (for example, in a carrier aggregation scenario). If the first network device covers one cell, the first network device may be configured with one access link SSB, that is, the first network device is configured with one access link SSB configuration information. If the first network device covers multiple cells, the first network device may be configured with multiple access link SSBs, that is, the first network device is configured with multiple access link SSB configuration information. When the first network device refers to the transmission power of its own access link SSB to determine the transmission power of the backhaul link SSB, that is, when the reference transmission power is the transmission power of the access link SSB of the first network device, if The first network device is configured with one access link SSB configuration information, and the transmission power included in the access link SSB configuration information can be used as the reference transmission power. If the first network device is configured with multiple access link SSB configuration information, then any one of the multiple access link SSB configuration information can be selected from the transmission power included in the access link SSB configuration information as the reference transmission power Or, alternatively, the transmission power included in the SSB configuration information of a specific access link may be selected as the reference transmission power from the multiple access link SSB configuration information.

The following introduces several examples of access link SSB configuration information:

Example 1, the specific access link SSB configuration information may be the first activated access link SSB configuration information among the multiple access link SSB configuration information of the first network device. Therefore, when the first network device does not include the transmit power in the above configuration information, it can be based on the transmit power included in the first activated access link SSB configuration information of the first network device (that is, the first network device's first network device). The transmit power of an activated access link SSB), and determine the transmit power of the backhaul link SSB.

Example 2: The specific access link SSB configuration information may also be the first configured access link SSB configuration information among multiple access link SSB configuration information. Therefore, when the first network device does not include the transmit power in the above configuration information, it can be based on the transmit power included in the first configured access link SSB configuration information of the first network device (that is, the first network device's first network device). The transmit power of a configured access link SSB), and determine the transmit power of the backhaul link SSB. For example, if there are two or more access link SSB configuration information broadcasted by the second network device, the first network device can select the first configured access link SSB configuration information according to the receiving configuration, that is, according to The transmit power included in the first configured access link SSB configuration information determines the transmit power of the backhaul link SSB.

Example 3, the specific access link SSB configuration information may also be the first received access link SSB configuration information among the multiple access link SSB configuration information. Therefore, when the above configuration information does not include the transmit power, the first network device can determine the transmission of the backhaul link SSB according to the transmit power included in the first received access link SSB configuration information of the first network device. power. For example, if there are two or more access link SSB configuration information broadcast by the second network device, the first network device can select the first received access link SSB configuration information in the receiving order, that is, The transmission power of the backhaul link SSB is determined according to the transmission power included in the first received access link SSB configuration information.

Example 4, the specific access link SSB configuration information may also be the access link SSB configuration information used to configure the primary cell among the multiple access link SSB configuration information. Therefore, when the above configuration information does not include the transmission power, the first network device can determine the transmission of the backhaul link SSB according to the transmission power included in the access link SSB configuration information of the first network device for configuring the primary cell. power. For example, if there are two access link SSB configuration information broadcast by the second network device, but only one of the access link SSB configuration information is used for the primary cell of the stand-alone network (stand-along, SA) , The first network device can determine the transmission power of the backhaul link SSB according to the transmission power of the access link SSB configuration information.

Example 5: The backhaul link STC includes first indication information, the first indication information is used to indicate the reference cell or reference frequency of the first network device, and the specific access link SSB configuration information may also be the reference cell or reference frequency. Point corresponding access link SSB configuration information. Therefore, when the above configuration information does not include the transmit power, the first network device can determine the backhaul link SSB according to the transmit power included in the access link SSB configuration information corresponding to the reference cell or reference frequency of the first network device Transmit power. In specific implementation, the first indication information may also be carried in other messages. The embodiment of the present application only takes the backhaul link STC including the first indication information as an example for description, and does not specifically limit it.

Example 6, the backhaul link STC includes second indication information, the second indication information is used to indicate the access link SSB as the reference signal, and the specific access link SSB configuration information may be the access chain as the reference signal Access link SSB configuration information corresponding to the SSB. Therefore, when the above configuration information does not include the transmit power, the first network device may determine the transmit power of the backhaul link SSB according to the transmit power of the access link SSB of the reference signal. In specific implementation, the second indication information may also be carried in other messages. The embodiment of the present application only takes the backhaul link STC including the second indication information as an example for description, and does not specifically limit it.

Example 7, the backhaul link STC includes the frequency domain location information of the backhaul link SSB, and the specific access link SSB configuration information may be the frequency domain location information and the frequency carried in the configuration information of the multiple access link SSB configuration information. SSB configuration information for access links with the same domain location information. Therefore, when the above configuration information does not include the transmit power, the first network device can determine the transmission of the backhaul link SSB according to the transmit power of the access link SSB whose frequency domain position information is the same as the frequency domain position information carried in the configuration information power. Exemplarily, the frequency domain location information of the backhaul link SSB may be, but not limited to, the frequency of the backhaul link SSB, the frequency band of the backhaul link SSB, the bandwidth part (BWP) of the backhaul link SSB, etc. Wait. Therefore, the first network device can select the transmission power of the access link SSB with the same frequency point/frequency band/same BWP as the reference transmission power according to the frequency domain location information of the backhaul link SSB. It should be understood that in the embodiments of this application, it is not limited to determine the access link SSB of the same frequency point and the frequency band of the backhaul link SSB according to the frequency point of the backhaul link SSB to determine the access link SSB and backhaul link of the same frequency band. The BWP of the transmission link SSB determines the access link SSB of the same BWP. In specific implementation, the same frequency point/same BWP access link SSB can also be determined according to the frequency of the backhaul link SSB.

Example 8, the specific access link SSB configuration information is the access link SSB configuration information carrying a reference indicator in the multiple access link SSB configuration information, where the reference indicator is used to indicate the transmission of the access link SSB The power can be referenced by the backhaul link SSB. Therefore, when the foregoing configuration information does not include the transmit power, the first network device may determine the transmit power of the backhaul link SSB according to the transmit power included in the access link SSB configuration information carrying the reference indication. In this way, by adding a reference flag to the access SSB configuration information, the first network device can determine the transmission power of the backhaul link SSB according to the access link SSB configuration information with the reference indicator . In specific implementations, not only the transmit power of the backhaul link SSB can be configured with reference to the access link SSB configuration information with reference indication, but other parameters of the backhaul link SSB can also refer to the reference indication. The SSB configuration information of the access link is configured, which will not be listed here.

In specific implementation, the SIB1 broadcast by the second network device may include the transmission power of one access link SSB, or may include the transmission power of multiple access links SSB. When the first network device refers to the transmit power of the access link SSB of the second network device to determine the transmit power of the backhaul link SSB, that is, the reference transmit power is the transmit power of the access link SSB of the second network device At this time, if the SIB1 includes a transmission power, the reference transmission power is the transmission power included in the SIB1, that is, the first network device can refer to the transmission power included in the SIB to determine the transmission power of the backhaul link SSB. If SIB1 includes multiple transmission powers, the reference transmission power can be any one of the multiple transmission powers included in SIB1, that is, the first network device can select any one of the multiple transmission powers included in SIB1. Used as a reference transmission power to determine the transmission power of the backhaul link SSB. Or, if SIB1 includes multiple transmission powers, the reference transmission power may also be a specific transmission power among the multiple transmission powers included in SIB1, that is, the first network device may select a specific transmission power among the multiple transmission powers included in SIB1. The transmit power of is used as the reference transmit power to determine the transmit power of the backhaul link SSB.

Some examples of specific transmit power are given below:

Example 1: The SIB includes third indication information, the third indication information is used to indicate the reference cell or reference frequency of the second network device, and the specific transmission power is the reference cell of the second network device among the multiple transmission powers included in the SIB1 Or the transmit power corresponding to the reference frequency. In this manner, the second network device can configure its own reference cell/reference frequency, and the first network device can select the transmission power corresponding to the reference cell/reference frequency as the reference transmission power to determine the SSB of the backhaul link. Transmission power. Wherein, the cell identity (cell ID) or reference frequency of the reference cell of the second network device may be sent by the second network device through system message broadcast, so that the first network device receives the broadcast of the second network device. After the system message, the reference cell or reference frequency of the second network device can be obtained. Exemplarily, the system message may be, but is not limited to, a SIB message (such as SIB1), a master information block (master information block, MIB) message, RRC signaling, and the like.

Example 2: The specific transmission power is the transmission power corresponding to the access link SSB of the second network device as the reference signal among the multiple transmission powers included in the SIB1. In this manner, the second network device can configure its own reference synchronization signal, and the first network device can select the transmission power corresponding to the reference synchronization signal as the reference transmission power to determine the transmission power of the backhaul link SSB.

Example 3: The specific transmission power is the transmission power of the access link SSB currently accessed by the first network device or currently activated by the second network device among the multiple transmission powers included in the SIB1. In this manner, the first network device can select the transmit power of the access link SSB currently accessed by itself, or the transmit power of the access link SSB currently activated by the second network device as the reference transmit power to determine the backhaul chain The transmit power of the SSB.

Example 4: The configuration information includes the frequency domain position information of the access link SSB, and the specific transmission power is the access link whose frequency domain position information is the same as the frequency domain position information carried in the configuration information among the multiple transmission powers included in SIB1 SSB transmit power. Exemplarily, the frequency domain location information of the backhaul link SSB may be, but not limited to, the frequency of the backhaul link SSB, the frequency band of the backhaul link SSB, the bandwidth part (BWP) of the backhaul link SSB, etc. Wait. Therefore, the first network device can select the transmission power of the access link SSB of the second network device at the same frequency point/same frequency band/same BWP as the backhaul link SSB as the reference transmission power according to the frequency domain position information of the backhaul link SSB . It should be understood that, in the embodiments of the present application, it is not limited to determine the access link SSB of the same frequency point of the second network device according to the frequency of the backhaul link SSB, and the frequency band of the backhaul link SSB to determine the frequency of the second network device. The BWP of the access link SSB of the same frequency band and the BWP of the backhaul link SSB determine the access link SSB of the same BWP of the second network device. In specific implementation, the second network can also be determined according to the frequency of the backhaul link SSB The equipment's same frequency point/same BWP access link SSB, etc.

In an implementation manner, when the first network device determines the transmission power of the transmission backhaul link SSB based on the reference transmission power, it may specifically use the reference transmission power as the transmission power of the backhaul link SSB. For example, when the configuration information includes the transmission power, the first network device may use the transmission power as the transmission power for sending the backhaul link SSB. When the configuration information does not include the transmission power, the first network device can use the transmission power of its own access link SSB as the transmission power of the transmission backhaul link SSB, or use the access link SSB of the second network device for transmission. The power is used as the transmission power of the transmission backhaul link SSB.

Alternatively, the backhaul link STC may also include a power offset value, so when the first network device determines the transmission power of the backhaul link SSB based on the reference transmission power, it may be determined based on the reference transmission power and the power offset value. For example, the transmission power of the backhaul link SSB can be the result of the reference transmission power plus the power offset value, that is, P_BH=P_offset+P_AC, where P_BH is the transmission power of the backhaul link SSB, and P_offset is the configuration information carried P_AC is the reference transmit power. Alternatively, the transmission power of the backhaul link SSB may be the result of subtracting the power offset value from the reference transmission power, that is, P_BH=P_AC-P_offset. Of course, the backhaul link SSB can also be the result of other calculations for the reference transmit power and power offset value, which is not specifically limited here.

Further, the backhaul link STC may include multiple power offset values, where one backhaul link SSB is associated with one power offset value. When the first network device determines the transmission power of a backhaul link SSB based on the reference transmission power, it can specifically determine the transmission of the backhaul link SSB based on the reference transmission power and the power offset value associated with the backhaul link SSB power. Wherein, the backhaul link STC may include the power offset value corresponding to each backhaul link SSB, or may be the power offset value corresponding to part of the backhaul link SBB. If the backhaul link STC includes the power offset value corresponding to a part of the backhaul link SBB, then the transmission power of other backhaul links SSB without a power offset value can be transmitted using the reference transmission power.

It should be understood that in the embodiments of the present application, "the backhaul link STC may include multiple power offset values" can be understood as one backhaul link STC can be configured with multiple backhaul links SSB, and the backhaul link STC can Including power offset values corresponding to multiple backhaul links SSB respectively. Alternatively, "the backhaul link STC may include multiple power offset values" can also be understood as the first network device receiving multiple backhaul links STC, where one backhaul link STC is configured with one backhaul link SSB, The backhaul link STC may include the power offset value corresponding to the backhaul link SSB, that is, the "backhaul link STC" in "the backhaul link STC may include multiple power offset values" may refer to Multiple backhaul links STC received by the first network device.

Based on the same inventive concept as the method embodiment, the embodiment of the application provides an SS/PBCH block transmission power configuration device. The SS/PBCH block transmit power configuration device can be specifically used to implement the method executed by the first network device in the embodiments of Fig. 8 to Fig. 10. The device can be the first network device itself or the chip in the first network device. Or a part of the chipset or chip used to perform related method functions. The structure of the SS/PBCH block transmission power configuration device may be as shown in FIG. 11, including a processing unit 1101 and a transceiver unit 1102. The processing unit 1101 is configured to determine the transmission power of the first SS/PBCH block, where the transmission power of the first SSB is related to the reference transmission power, and the first SS/PBCH block is used by the second device to discover and measure the first network equipment. The transceiver unit 1102 is configured to send the first SS/PBCH block with the transmission power determined by the processing unit 1101.

In an implementation manner, the transceiver unit 1102 may also be used to receive configuration information, which is used to configure the first SS/PBCH block.

The processing unit 1101 may be specifically configured to: when the configuration information does not include information indicating the transmission power of the first SS/PBCH block, determine the transmission power of the first SS/PBCH block based on the reference transmission power, where the reference transmission power is the first network The device sends the transmit power of the second SS/PBCH block to the first terminal device, or the reference transmit power is the transmit power of the third SS/PBCH block sent by the second network device to the second terminal device, where the second network device is The superior node of the first network device. Alternatively, the processing unit 1101 may also be specifically configured to: when the configuration information includes information indicating the transmission power of the first SS/PBCH block, determine the transmission power of the first SS/PBCH block based on the reference transmission power, and the reference transmission power is the configuration The transmit power indicated by the message.

Specifically, the processing unit 1101, when determining the transmission power of the first SS/PBCH block based on the reference transmission power, may be specifically configured to use the reference transmission power as the transmission power for transmitting the first SS/PBCH block.

In some embodiments, the configuration information may include a power offset value. The processing unit 1101, when determining the transmission power of the first SS/PBCH block based on the reference transmission power, may be specifically configured to determine the transmission power of the first SS/PBCH block based on the reference transmission power and the power offset value.

Further, the configuration information may include multiple power offset values, and one first SS/PBCH block is associated with one power offset value. The processing unit 1101, when determining the transmission power of the first SS/PBCH block based on the reference transmission power, may be specifically configured to: determine the first SS/PBCH block based on the reference transmission power and the power offset value associated with the first SS/PBCH block. Transmission power of PBCH block.

Exemplarily, when the first network device is configured with one second SS/PBCH block configuration information, the reference transmission power may be the transmission power included in the second SS/PBCH block configuration information. When the first network device is configured with multiple second SS/PBCH block configuration information, the reference transmission power can be any one of the multiple second SS/PBCH block configuration information included in the second SS/PBCH block configuration information Or, the reference transmission power may also be the transmission power included in one specific second SS/PBCH block configuration information in multiple second SS/PBCH block configuration information.

The specific second SS/PBCH block configuration information may be the first activated second SS/PBCH block configuration information among multiple second SS/PBCH block configuration information.

Alternatively, the specific second SS/PBCH block configuration information may also be the first configured second SS/PBCH block configuration information among multiple second SS/PBCH block configuration information.

Alternatively, the specific second SS/PBCH block configuration information may also be the first received second SS/PBCH block configuration information among multiple second SS/PBCH block configuration information.

Alternatively, the specific second SS/PBCH block configuration information may also be the second SS/PBCH block configuration information used to configure the primary cell in the multiple second SS/PBCH block configuration information.

Alternatively, the configuration information may include first indication information, the first indication information is used to indicate the reference cell or reference frequency of the first network device, and the specific second SS/PBCH block configuration information may be corresponding to the reference cell or reference frequency The second SS/PBCH block configuration information.

Alternatively, the configuration information may also include second indication information. The second indication information is used to indicate the second SS/PBCH block as the reference signal, and the specific second SS/PBCH block configuration information may be the second SS/PBCH block as the reference signal. The second SS/PBCH block configuration information corresponding to the PBCH block.

Alternatively, the configuration information may also include the frequency domain location information of the first SS/PBCH block, and the specific second SS/PBCH block configuration information may be the frequency domain location information and configuration information carried in the multiple second SS/PBCH block configuration information Second SS/PBCH block configuration information with the same frequency domain location information.

Alternatively, the specific second SS/PBCH block configuration information may also be the second SS/PBCH block configuration information indicated by the reference carried in the multiple second SS/PBCH block configuration information.

In an implementation manner, the transceiver unit 1102 may also be used to receive the system information block broadcast by the second network device, where the system information block includes the transmission power of one or more third SS/PBCH blocks.

Further, when one transmission power is included in the system information block, the reference transmission power may be the transmission power included in the system information block. When multiple transmission powers are included in the system information block, the reference transmission power can be any one of the multiple transmission powers included in the system information block, or the reference transmission power can also be one of the multiple transmission powers included in the system information block. Specific transmit power.

Exemplarily, the specific transmission power may be the transmission power corresponding to the reference cell or reference frequency of the second network device.

Alternatively, the specific transmission power may also be the transmission power corresponding to the third SS/PBCH block of the second network device as the reference signal.

Alternatively, the specific transmission power may also be the transmission power of the third SS/PBCH block currently accessed by the first network device or currently activated by the second network device.

Alternatively, the configuration information may include the frequency domain position information of the first SS/PBCH block, and the specific transmission power may be the transmission power of the third SS/PBCH block whose frequency domain position information is the same as the frequency domain position information carried in the configuration information.

The division of modules in the embodiments of the present application is illustrative, and is only a logical function division. In actual implementation, there may be other division methods. In addition, the functional modules in the various embodiments of the present application may be integrated into one process. In the device, it can also exist alone physically, or two or more modules can be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or software functional modules. It can be understood that, for the function or implementation of each module in the embodiment of the present application, reference may be made to the related description of the method embodiment.

In one possible manner, the SS/PBCH block transmission power configuration device may be as shown in FIG. 12, and the device may be a network device or a chip in a network device. The device may include a processor 1201, a communication interface 1202, and a memory 1203. The processing unit 1101 may be a processor 1201. The transceiver unit 1102 may be a communication interface 1202.

The processor 1201 may be a central processing unit (central processing unit, CPU), or a digital processing unit, or the like. The communication interface 1202 may be a transceiver, an interface circuit such as a transceiver circuit, etc., or a transceiver chip, and so on. The device also includes a memory 1203, which is used to store programs executed by the processor 1201. The memory 1203 may be a non-volatile memory, such as a hard disk (HDD) or a solid-state drive (SSD), etc., and may also be a volatile memory (volatile memory), such as random access memory (random access memory). -access memory, RAM). The memory 1203 is any other medium that can be used to carry or store desired program codes in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.

The processor 1201 is configured to execute the program code stored in the memory 1203, and is specifically configured to execute the actions of the above-mentioned processing unit 1101, which will not be repeated here in this application. The communication interface 1202 is specifically configured to execute the actions of the above-mentioned transceiver unit 1102, which will not be repeated in this application.

The embodiment of the present application does not limit the specific connection medium between the communication interface 1202, the processor 1201, and the memory 1203. In the embodiment of the present application in FIG. 12, the memory 1203, the processor 1201, and the communication interface 1202 are connected by a bus 1204. The bus is represented by a thick line in FIG. 12, and the connection mode between other components is only for schematic illustration. , Is not limited. The bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used to represent in FIG. 12, but it does not mean that there is only one bus or one type of bus.

The embodiment of the present invention also provides a computer-readable storage medium for storing computer software instructions required to execute the above-mentioned processor, which contains a program required to execute the above-mentioned processor.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented by software, it can be implemented in the form of a computer program product in whole or in part. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center. Transmission to another website site, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media. The usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, an SSD).

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

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

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

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

Claims

A synchronization signal/physical broadcast channel block SS/PBCH block transmission power configuration method, characterized in that the method includes:

The first network device determines the transmission power of the first SS/PBCH block, where the transmission power of the first SS/PBCH block is related to the reference transmission power, and the first SS/PBCH block is used for discovery and measurement by the second device The first network device;

The first network device transmits the first SS/PBCH block with the transmission power.
The method according to claim 1, wherein the first network device determining the transmission power of the first SS/PBCH block specifically includes:

Receiving configuration information by the first network device, where the configuration information is used to configure the first SS/PBCH block;

When the configuration information does not include the information indicating the transmission power of the first SS/PBCH block, the transmission power of the first SS/PBCH block is determined based on the reference transmission power, and the reference transmission power is the The first network device sends the transmission power of the second SS/PBCH block to the first terminal device, or the reference transmission power is the transmission power of the third SS/PBCH block sent by the second network device to the second terminal device, where: The second network device is an upper node of the first network device.
The method according to claim 1, wherein the first network device determining the transmission power of the first SS/PBCH block specifically includes:

The first network device receives configuration information, where the configuration information is used to configure the first SS/PBCH block;

When the configuration information includes information indicating the transmission power of the first SS/PBCH block, the transmission power of the first SS/PBCH block is determined based on the reference transmission power, and the reference transmission power is the configuration The transmit power indicated by the message.
The method according to claim 2 or 3, wherein the first network device to determine the transmission power of the first SS/PBCH block based on the reference transmission power comprises:

The first network device uses the reference transmission power as the transmission power for transmitting the first SS/PBCH block.
The method according to claim 2 or 3, wherein the configuration information includes a power offset value;

The determining, by the first network device, the transmission power of the first SS/PBCH block based on the reference transmission power includes:

The first network device determines the transmission power of the first SS/PBCH block based on the reference transmission power and the power offset value.
The method according to claim 2 or 3 or 5, wherein the configuration information includes multiple power offset values, and one first SS/PBCH block is associated with one power offset value;

The determining, by the first network device, the transmission power of the first SS/PBCH block based on the reference transmission power includes:

The first network device determines the transmission power of the first SS/PBCH block based on the reference transmission power and the power offset value associated with the first SS/PBCH block.
The method of claim 2, wherein:

The first network device is configured with one second SS/PBCH block configuration information, and the reference transmission power is the transmission power included in the second SS/PBCH block configuration information; or,

The first network device is configured with multiple second SS/PBCH block configuration information, and the reference transmission power is any of the multiple second SS/PBCH block configuration information. The second SS/PBCH block configuration information includes Transmit power; or,

The first network device is configured with multiple second SS/PBCH block configuration information, and the reference transmission power is one specific second SS/PBCH block configuration information in the multiple second SS/PBCH block configuration information including Transmit power.
The method according to claim 7, wherein the specific second SS/PBCH block configuration information is the first activated second SS/PBCH block among the multiple second SS/PBCH block configuration information Configuration information; or,

The specific second SS/PBCH block configuration information is the first configured second SS/PBCH block configuration information among the multiple second SS/PBCH block configuration information; or,

The specific second SS/PBCH block configuration information is the first received second SS/PBCH block configuration information among the multiple second SS/PBCH block configuration information; or,

The specific second SS/PBCH block configuration information is the second SS/PBCH block configuration information used to configure the primary cell among the multiple second SS/PBCH block configuration information; or,

The configuration information includes first indication information, the first indication information is used to indicate the reference cell or reference frequency of the first network device, and the specific second SS/PBCH block configuration information is the reference cell Or the second SS/PBCH block configuration information corresponding to the reference frequency point; or,

The configuration information includes second indication information, the second indication information is used to indicate the second SS/PBCH block as a reference signal, and the specific second SS/PBCH block configuration information is the second SS/PBCH block as the reference signal. Second SS/PBCH block configuration information corresponding to the second SS/PBCH block; or,

The configuration information includes the frequency domain position information of the first SS/PBCH block, and the specific second SS/PBCH block configuration information is the frequency domain position information and the frequency domain position information of the multiple second SS/PBCH block configuration information. The second SS/PBCH block configuration information with the same frequency domain location information carried in the configuration information; or,

The specific second SS/PBCH block configuration information is the second SS/PBCH block configuration information of the reference indication carried in the multiple second SS/PBCH block configuration information.
The method of claim 2, wherein:

The method also includes:

The first network device receives the system information block broadcast by the second network device, where the system information block includes the transmission power of one or more third SS/PBCH blocks.
The method according to claim 9, wherein when the system information block includes one transmission power, the reference transmission power is the transmission power included in the system information block; or,

When the system information block includes multiple transmission powers, the reference transmission power is any one of the multiple transmission powers included in the system information block; or,

When the system information block includes multiple transmission powers, the reference transmission power is a specific transmission power among the multiple transmission powers included in the system information block.
The method according to claim 10, wherein the specific transmission power is a transmission power corresponding to a reference cell or a reference frequency of the second network device; or,

The specific transmission power is the transmission power corresponding to the third SS/PBCH block of the second network device as a reference signal; or,

The specific transmission power is the transmission power of the third SS/PBCH block currently accessed by the first network device or currently activated by the second network device; or,

The configuration information includes frequency domain position information of the first SS/PBCH block, and the specific transmission power is the frequency domain position information of the third SS/PBCH block whose frequency domain position information is the same as the frequency domain position information carried in the configuration information. Transmission power.
A synchronization signal/physical broadcast channel block SS/PBCH block transmission power configuration device, characterized in that, the device includes:

The processing unit is configured to determine the transmission power of the first SS/PBCH block, where the transmission power of the first SS/PBCH block is related to the reference transmission power, and the first SS/PBCH block is used by the second device to discover and Measure the first network device;

The transceiver unit is configured to send the first SS/PBCH block with the transmission power determined by the processing unit.
The device according to claim 12, wherein the transceiver unit is further configured to receive configuration information, and the configuration information is used to configure the first SS/PBCH block;

The processing unit is specifically configured to determine the transmission power of the first SS/PBCH block based on the reference transmission power when the configuration information does not include information indicating the transmission power of the first SS/PBCH block , The reference transmit power is the transmit power of the first network device to send the second SS/PBCH block to the first terminal device, or the reference transmit power is the second network device to send the third SS to the second terminal device /PBCH block transmission power, where the second network device is an upper-level node of the first network device.
The device according to claim 12, wherein the transceiver unit is further configured to receive configuration information, and the configuration information is used to configure the first SS/PBCH block;

The processing unit is specifically configured to: when the configuration information includes information indicating the transmission power of the first SS/PBCH block, determine the transmission power of the first SS/PBCH block based on the reference transmission power, The reference transmission power is the transmission power indicated by the configuration information.
The apparatus according to claim 13 or 14, wherein the processing unit, when determining the transmission power of the first SS/PBCH block based on the reference transmission power, is specifically configured to:

The reference transmission power is used as the transmission power for transmitting the first SS/PBCH block.
The apparatus according to claim 13 or 14, wherein the configuration information includes a power offset value;

The processing unit is specifically configured to: when determining the transmission power of the first SS/PBCH block based on the reference transmission power:

Determine the transmission power of the first SS/PBCH block based on the reference transmission power and the power offset value.
The apparatus according to claim 13 or 14 or 16, wherein the configuration information includes multiple power offset values, and one first SS/PBCH block is associated with one power offset value;

The processing unit is specifically configured to: when determining the transmission power of the first SS/PBCH block based on the reference transmission power:

Determine the transmission power of the first SS/PBCH block based on the reference transmission power and the power offset value associated with the first SS/PBCH block.
The apparatus according to claim 13, wherein the first network device is configured with a second SS/PBCH block configuration information, and the reference transmission power is that the second SS/PBCH block configuration information includes Transmit power; or,

The first network device is configured with multiple second SS/PBCH block configuration information, and the reference transmission power is any of the multiple second SS/PBCH block configuration information. The second SS/PBCH block configuration information includes Transmit power; or,

The first network device is configured with multiple second SS/PBCH block configuration information, and the reference transmission power is one specific second SS/PBCH block configuration information in the multiple second SS/PBCH block configuration information including Transmit power.
The device according to claim 18, wherein the specific second SS/PBCH block configuration information is the first activated second SS/PBCH block among the multiple second SS/PBCH block configuration information Configuration information; or,

The specific second SS/PBCH block configuration information is the first configured second SS/PBCH block configuration information among the multiple second SS/PBCH block configuration information; or,

The specific second SS/PBCH block configuration information is the first received second SS/PBCH block configuration information among the multiple second SS/PBCH block configuration information; or,

The specific second SS/PBCH block configuration information is the second SS/PBCH block configuration information used to configure the primary cell among the multiple second SS/PBCH block configuration information; or,

The configuration information includes first indication information, the first indication information is used to indicate the reference cell or reference frequency of the first network device, and the specific second SS/PBCH block configuration information is the reference cell Or the second SS/PBCH block configuration information corresponding to the reference frequency point; or,

The configuration information includes second indication information, the second indication information is used to indicate the second SS/PBCH block as a reference signal, and the specific second SS/PBCH block configuration information is the second SS/PBCH block as the reference signal. Second SS/PBCH block configuration information corresponding to the second SS/PBCH block; or,

The configuration information includes the frequency domain position information of the first SS/PBCH block, and the specific second SS/PBCH block configuration information is the frequency domain position information and the frequency domain position information of the multiple second SS/PBCH block configuration information. The second SS/PBCH block configuration information with the same frequency domain location information carried in the configuration information; or,

The specific second SS/PBCH block configuration information is the second SS/PBCH block configuration information of the reference indication carried in the multiple second SS/PBCH block configuration information.
The device according to claim 13, wherein the transceiver unit is further configured to:

Receive the system information block broadcast by the second network device, where the system information block includes the transmission power of one or more third SS/PBCH blocks.
The apparatus according to claim 20, wherein when the system information block includes one transmission power, the reference transmission power is the transmission power included in the system information block; or,

When the system information block includes multiple transmission powers, the reference transmission power is any one of the multiple transmission powers included in the system information block; or,

When the system information block includes multiple transmission powers, the reference transmission power is a specific transmission power among the multiple transmission powers included in the system information block.
The apparatus according to claim 21, wherein the specific transmission power is a transmission power corresponding to a reference cell or a reference frequency point of the second network device; or,

The specific transmission power is the transmission power corresponding to the third SS/PBCH block of the second network device as a reference signal; or,

The specific transmission power is the transmission power of the third SS/PBCH block currently accessed by the first network device or currently activated by the second network device; or,

The configuration information includes frequency domain position information of the first SS/PBCH block, and the specific transmission power is the frequency domain position information of the third SS/PBCH block whose frequency domain position information is the same as the frequency domain position information carried by the configuration information. Transmission power.
A computer-readable storage medium, wherein a program or instruction is stored in the computer-readable storage medium, and the program or the instruction can realize claim 1 when read and executed by one or more processors To the method described in any one of 11.
A computer program product, characterized in that, when the computer program product runs on a network device, the network device is caused to execute the method according to any one of claims 1 to 11.
A network system, characterized by comprising a first network device and a second device, wherein the first network device is the device according to any one of claims 12-22.