WO2021022887A1 - 一种同步信号/物理广播信道块发送功率配置方法及装置 - Google Patents
一种同步信号/物理广播信道块发送功率配置方法及装置 Download PDFInfo
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- WO2021022887A1 WO2021022887A1 PCT/CN2020/093996 CN2020093996W WO2021022887A1 WO 2021022887 A1 WO2021022887 A1 WO 2021022887A1 CN 2020093996 W CN2020093996 W CN 2020093996W WO 2021022887 A1 WO2021022887 A1 WO 2021022887A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/20—TPC being performed according to specific parameters using error rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
Definitions
- 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.
- 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
- the wireless backhaul link is the IAB node
- 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.
- the IAB node sends data to the superior node on the backhaul link, it cannot receive data on the access link.
- 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.
- SS/PBCH block SS/PBCH block
- the existing protocol does not support configuring the transmission power for the backhaul link SSB.
- the IAB cannot determine the transmission power of the backhaul link SSB.
- 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.
- 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.
- 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.
- the first network device when it 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.
- 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.
- 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.
- the network device 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.
- the first network device when it 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.
- 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.
- 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.
- 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.
- the configuration information may also include a power offset value.
- 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.
- 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.
- the configuration information may also include multiple power offset values, and one first SS/PBCH block is associated with one power offset value.
- 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 .
- the flexibility of the transmission power of the backhaul links SS/PBCH blocks can be improved.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- the configuration information includes second indication information
- the second indication information is used to indicate the second SS/PBCH block as a reference signal
- 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.
- the configuration information includes the frequency domain location information of the first SS/PBCH block
- 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.
- 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.
- 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.
- 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.
- system information block may be system information block 1 (SIB1).
- SIB1 system information block 1
- the reference transmission power 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.
- the reference transmission power 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.).
- an SS/PBCH block transmission power configuration device 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.
- 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 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.
- 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.
- 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.
- 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.
- 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.
- a wireless relay node establishes a connection with the core network through a wireless backhaul link, which can save part of the fiber deployment cost.
- FIG. 1 is a schematic structural diagram of a communication system to which an embodiment of this application is applied.
- 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.
- IoT Internet of Things
- WLAN wireless local access network
- LTE Long Term Evolution
- 5G mobile communication system or communication system after 5G such as NR, device to device (D2D) communication system.
- 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.
- the IAB nodes rTRP 110 and rTRP 120 are both connected to the network through a wireless backhaul link.
- the wireless backhaul links are all viewed from the perspective of the IAB node.
- the wireless backhaul link 113 is the backhaul link of the IAB node rTRP 110
- the wireless backhaul link 123 is the backhaul link of the IAB node rTRP 120.
- an IAB node such as 120
- the node that provides wireless backhaul link resources, such as 110 is called the upstream node (or, called the upper node)
- the IAB node that accesses the network through the wireless backhaul link, such as 120 is called the downstream node ( Or, called subordinate nodes).
- the downstream node can be regarded as a terminal of the upstream node.
- an IAB node 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.
- the terminal equipment UE 102, 112, 122 may be stationary or mobile equipment.
- 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.
- all wireless links 102, 112, 122, 113, 123 are bidirectional links, including uplink and downlink transmission links.
- 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
- 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.
- the UE can act as a relay node to serve other UEs.
- the wireless backhaul link may be an access link in some scenarios.
- 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.
- evolved node B evolved node base, eNB
- RNC radio network controller
- node B node B
- base station controller base station controller
- BSC base station controller
- BTS base station controller
- BTS base station controller
- BTS base station controller
- BTS base station controller
- home base station for example, home evolved NodeB, or home node B, HNB
- baseband unit baseband
- 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.
- WLAN wireless local access network
- PDA personal digital assistant
- 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.
- 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.
- UE user equipment
- 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).
- 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.
- LTE long term evolution
- network devices broadcast common reference signals (CRS) for UEs to perform downlink synchronization and cell quality measurement.
- CRS common reference signals
- 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.
- 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).
- PSS primary synchronization signal
- SSS secondary synchronization signal
- PBCH physical broadcast channel
- some SS/PBCH block transmissions will be muted, that is, the gray transmission positions in FIG. 3.
- an IAB node does not send SS/PBCH block, it can measure the SS/PBCH block sent by other nodes.
- some SS/PBCH blocks may be silent, which affects the access of ordinary UEs to network equipment.
- 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.
- 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 can also be used to measure the discovery and measurement of the network device and other network devices.
- the synchronization signal block that is, the backhaul link SSB
- 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.
- the access link SSB has not yet determined how to configure it.
- OAM operation and management
- 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:
- ⁇ FR2 120khz, 240khz
- 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).
- 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.
- 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.
- the structure of the network device in the embodiment of the present application may be as shown in FIG. 4.
- the radio access network device can be divided into a centralized unit (centralized unit, CU) and at least one distributed unit (distributed unit, DU).
- 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.
- 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.
- the CU may be used to implement the functions of the RRC layer, the SDAP layer, and the PDCP layer
- 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.
- CU-CP can be used for control plane management
- 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.
- the structure of gNB may be as shown in FIG. 5.
- 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.
- 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.
- a flowchart of a method for configuring SS/PBCH block transmit power provided by this application 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 by other devices to discover and measure the first network Device, other devices here can be other IAB nodes.
- the first network device may be a network device that performs data backhaul with other network devices.
- 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.
- 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.
- the first network device sends the first SS/PBCH block at the determined transmission power.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- the second SS/PBCH block can be used for the first terminal to access the first network device
- 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.
- the first SS/PBCH block is referred to as the backhaul link SSB
- 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.
- 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.
- 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.
- the system message block may be system information block 1 (SIB1).
- SIB1 system information block 1
- 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.
- the broadcast message is received by the MT module of the first network device.
- SIB1 system information block 1
- 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.
- 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.
- EPRE energy per resource element
- the first network device pre-stores a table of correspondences between the first parameter and the transmission power information of the backhaul link SSB.
- the transmission power of the backhaul link SSB is x
- 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.
- the first network device may receive the foregoing configuration information before determining the transmission power of the backhaul link SSB.
- the configuration information may be sent by the Donor node of the first network device to the first network device.
- the configuration information is referred to as the backhaul link STC below.
- 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.
- 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.
- 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 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- the backhaul link STC includes second indication information
- the second indication information is used to indicate the access link SSB as the reference signal
- 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.
- 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.
- the backhaul link STC includes the frequency domain location information of the backhaul link SSB
- 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.
- 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.
- 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.
- the same frequency point/same BWP access link SSB can also be determined according to the frequency of the backhaul link SSB.
- 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 .
- 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.
- 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.
- 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.
- the reference transmission power is the transmission power included in the SIB1
- the first network device can refer to the transmission power included in the SIB to determine the transmission power of the backhaul link SSB.
- 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.
- 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.
- 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.
- 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.
- the reference cell or reference frequency of the second network device can be obtained.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- the first network device when it 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.
- 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.
- 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.
- the backhaul link STC may include multiple power offset values, where one backhaul link SSB is associated with one power offset value.
- 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.
- 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.
- the backhaul link STC may include multiple power offset values
- the backhaul link STC 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.
- the backhaul link STC may include multiple power offset values
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- the reference transmission power may be the transmission power included in the 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.
- 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.
- 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 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 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.
- 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.
- 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 configuration information may also include the frequency domain location information of the first SS/PBCH block
- 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.
- 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.
- 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.
- the reference transmission power may be the transmission power 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.
- the specific transmission power may be the transmission power corresponding to the reference cell or reference frequency of the second network device.
- 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 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 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.
- 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.
- 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.
- 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.
- the computer program product includes one or more computer instructions.
- 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.
- 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).
- 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.
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Abstract
本申请实施例提供一种同步信号/物理广播信道块发送功率配置方法及装置,用以实现IAB节点确定回传链路SS/PBCH block的发送功率。该方法包括:第一网络设备确定用于第二设备发现与测量第一网络设备的SS/PBCH block的发送功率,并以该发送功率发送该SS/PBCH block,其中,该SS/PBCH block的发送功率与参考发送功率相关。
Description
本申请要求在2019年08月05日提交中国国家知识产权局、申请号为201910716015.0、申请名称为“一种同步信号/物理广播信道块发送功率配置方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
本申请涉及通信技术领域,特别涉及一种同步信号/物理广播信道块发送功率配置方法及装置。
与长期演进(long term evolution,LTE)相比,5G新空口(new radio,NR)技术能够使用更大的带宽,例如可以使用毫米波频段,并且可以应用大规模天线和多波束***,因此5G NR***能够提供更高的***速率,为5G NR发展和应用一体化接入回传(integrated access and backhaul,IAB)技术提供了条件。IAB节点,就是该节点集成了无线接入链路和无线回传链路,其中接入链路为用户设备(user equipment,UE)与IAB节点之间通信链路,无线回程链路为IAB节点之间的通信链路,进行数据回传,因此IAB节点不需要有线传输网络进行数据回传。
对于IAB节点,考虑到半双工的限制,IAB节点不能在回程链路和接入链路同时接收和发送数据,即当IAB节点接收上级节点的回程链路数据时,不能在接入链路发送数据,当IAB节点在回程链路向上级节点发送数据时,不能在接入链路接收数据。
目前,NR定义了回传链路(backhaul link)同步信号/物理广播信道块(SS/PBCH block,SSB),回传链路SSB用于IAB节点的相互发现与测量。但是,现有协议不支持为回传链路SSB配置发送功率,当回传链路SSB没有配置功率时,IAB无法确定回传链路SSB的发送功率。
发明内容
本申请提供了一种SS/PBCH block发送功率配置方法及装置,用以IAB节点确定回传链路SSB的发送功率。
第一方面,本申请实施例的SS/PBCH block发送功率配置方法,包括:第一网络设备确定第一SS/PBCH block的发送功率,并以该发送功率发送第一SS/PBCH block,其中,第一SSB的发送功率与参考发送功率相关,第一SS/PBCH block用于第二设备发现与测量第一网络设备。本申请实施例中网络设备可以根据参考发送功率确定回传链路SS/PBCH block的发送功率,这样,网络设备发送接入链路SS/PBCH block的功率可以不同于回传链路SS/PBCH block的发送功率。这样配置的一个优点是可以增加网络鲁棒性,即使网络设备提供接入服务的范围较小,但是其仍然可以支持大的互发现范围,这样可以发现更多的潜在回传节点。另一个优点是,网络设备以较大的发送功率发送接入链路SS/PBCH block,从而在网络设备覆盖的范围内,可以有较多的终端接入。此时网络设备可以改用较小的功率发送回传链路SSB,即自身回传链路容量受限时,通过调整网络设备发送功率,可以节 省网络设备的电力消耗。
在一种可能的设计中,第一网络设备确定第一SS/PBCH block的发送功率时,具体可以:接收配置信息,配置信息用于配置第一SS/PBCH block。当配置信息未包括指示第一SS/PBCH block的发送功率的信息时,基于参考发送功率确定第一SS/PBCH block的发送功率,参考发送功率可以为第一网络设备向第一终端设备发送第二SS/PBCH block的发送功率,或者,参考发送功率也可以为第二网络设备向第二终端设备发送第三SS/PBCH block的发送功率,其中,第二网络设备为第一网络设备的上级节点。通过上述设计中,网络设备在配置信息没有配置第一SS/PBCH block的发送功率时,可以根据自身的接入链路SS/PBCH block的发送功率或者上级节点的接入链路SS/PBCH block的发送功率确定回传链路SS/PBCH block。
在一种可能的设计中,第一网络设备确定第一SS/PBCH block的发送功率时,还可以具体包括:接收配置信息,配置信息用于配置第一SS/PBCH block。当配置信息包括指示第一SS/PBCH block的发送功率的信息时,可以基于根据配置信息所指示的发送功率确定第一SS/PBCH block的发送功率。上述设计中,通过显式配置回传链路SS/PBCH block的发送功率,从而网络设备可以根据配置信息,确定回传链路SS/PBCH block的发送功率。
在一种可能的设计中,第一网络设备基于参考发送功率确定第一SS/PBCH block的发送功率时,可以采用参考发送功率作为发送第一SS/PBCH block的发送功率。上述设计提供一种规则,从而网络设备可以根据参考发送功率确定第一SS/PBCH block的发送功率。
在一种可能的设计中,配置信息还可以包括功率偏移值。第一网络设备基于参考发送功率确定第一SS/PBCH block的发送功率时,第一网络设备基于参考发送功率以及功率偏移值确定第一SS/PBCH block的发送功率。上述设计中,通过功率偏移值指示,从而网络设备根据在参考发送功率的基础上结合功率偏移值来确定回传链路SS/PBCH block的发送功率。
在一种可能的设计中,配置信息还可以包括多个功率偏移值,一个第一SS/PBCH block关联一个功率偏移值。第一网络设备基于参考发送功率确定第一SS/PBCH block的发送功率时,可以基于参考发送功率以及第一SS/PBCH block所关联的功率偏移值,确定第一SS/PBCH block的发送功率。上述设计中,通过针对不同回传链路SS/PBCH block配置不同的功率偏移值,从而可以提高回传链路SS/PBCH block的发送功率的灵活性。
在一种可能的设计中,如果第一网络设备配置有1个第二SS/PBCH block配置信息,那么参考发送功率可以为第二SS/PBCH block配置信息中包括的发送功率。如果,第一网络设备配置有多个第二SS/PBCH block配置信息,那么参考发送功率可以为多个第二SS/PBCH block配置信息中任一第二SS/PBCH block配置信息中包括的发送功率,或者,参考发送功率也可以为多个第二SS/PBCH block配置信息中一个特定第二SS/PBCH block配置信息中包括的发送功率。通过上述设计,网络设备可以在配置有多个第二SS/PBCH block配置信息时,也就是有多个第二SS/PBCH block的发送功率时,可以确定选择哪个第二SS/PBCH block的发送功率可以作为参考发送功率。
在一种可能的设计中,特定第二SS/PBCH block配置信息可以为多个第二SS/PBCH block配置信息中第一个被激活的第二SS/PBCH block配置信息。上述设计定义了一种规则,网络设备可以遵循这种规则在多个第二SS/PBCH block配置信息包括的发送功率中选择一个作为参考发送功率。
在一种可能的设计中,特定第二SS/PBCH block配置信息也可以为多个第二SS/PBCH block配置信息中第一个被配置的第二SS/PBCH block配置信息。上述设计定义了另一种规则,网络设备可以遵循这种规则在多个第二SS/PBCH block配置信息包括的发送功率中选择一个作为参考发送功率。
在一种可能的设计中,特定第二SS/PBCH block配置信息还可以为多个第二SS/PBCH block配置信息中第一个被接收的第二SS/PBCH block配置信息。上述设计定义了又一种规则,网络设备可以遵循这种规则在多个第二SS/PBCH block配置信息包括的发送功率中选择一个作为参考发送功率。
在一种可能的设计中,特定第二SS/PBCH block配置信息也可以为多个第二SS/PBCH block配置信息中用于配置主小区的第二SS/PBCH block配置信息。上述设计定义了一种规则,网络设备可以遵循这种规则在多个第二SS/PBCH block配置信息包括的发送功率中选择一个作为参考发送功率。
在一种可能的设计中,配置信息中还可以包括第一指示信息,第一指示信息用于指示第一网络设备的参考小区或者参考频点,特定第二SS/PBCH block配置信息还可以为参考小区或者参考频点对应的第二SS/PBCH block配置信息。上述设计定义了一种规则,网络设备可以根据配置信息中关于参考小区或参考频点的指示,在多个第二SS/PBCH block配置信息包括的发送功率中选择一个作为参考发送功率。
在一种可能的设计中,配置信息中包括第二指示信息,第二指示信息用于指示作为参考信号的第二SS/PBCH block,特定第二SS/PBCH block配置信息还可以为作为参考信号的第二SS/PBCH block对应的第二SS/PBCH block配置信息。上述设计定义了一种规则,网络设备可以根据配置信息中关于参考信号的指示,在多个第二SS/PBCH block配置信息包括的发送功率中选择一个作为参考发送功率。
在一种可能的设计中,配置信息中包括第一SS/PBCH block的频域位置信息,特定第二SS/PBCH block配置信息可以为多个第二SS/PBCH block配置信息中频域位置信息与配置信息所携带频域位置信息相同的第二SS/PBCH block配置信息。上述设计定义了一种规则,网络设备可以根据第一SS/PBCH block的频域位置信息在多个第二SS/PBCH block配置信息包括的发送功率中选择一个作为参考发送功率。
在一种可能的设计中,特定第二SS/PBCH block配置信息也可以为多个第二SS/PBCH block配置信息中携带参考指示的第二SS/PBCH block配置信息。上述设计定义了一种规则,网络设备可以在多个第二SS/PBCH block配置信息中选择携带参考指示的第二SS/PBCH block配置信息所包括的发送功率作为参考发送功率。
在一种可能的设计中,第一网络设备还可以接收第二网络设备广播的***信息块,其中,***信息块包括一个或多个第三SS/PBCH block的发送功率。通过上述设计,网络设备可以通过上级节点发送的***信息块消息来获取上级节点发送第三SS/PBCH block的发送功率。
在一种可能的设计中,***信息块可以是***消息块1(system information block 1,SIB1)。
在一种可能的设计中,当***信息块中包括一个发送功率时,参考发送功率可以为***信息块包括的发送功率。或者,当***信息块中包括多个发送功率时,参考发送功率可以为***信息块包括的多个发送功率中任一发送功率,参考发送功率也可以为***信息块 包括的多个发送功率中特定发送功率。通过上述设计,网络设备可以在获取到上级节点的多个第三SS/PBCH block的发送功率时,可以确定选择哪个第三SS/PBCH block的发送功率可以作为参考发送功率。
在一种可能的设计中,特定发送功率可以为第二网络设备的参考小区或者参考频点所对应的发送功率。上述设计定义了一种规则,网络设备可以遵循这种规则在***信息块包括的多个发送功率中选择一个作为参考发送功率。
在一种可能的设计中,特定发送功率也可以为第二网络设备的作为参考信号的第三SS/PBCH block对应的发送功率。上述设计定义了一种规则,网络设备可以遵循这种规则选择上级节点的参考信号的发送功率作为参考发送功率。
在一种可能的设计中,特定发送功率还可以为第一网络设备当前接入或第二网络设备当前激活的第三SS/PBCH block的发送功率。上述设计定义了一种规则,网络设备可以遵循这种规则在***信息块包括的多个发送功率中选择一个作为参考发送功率。
在一种可能的设计中,配置信息中还可以包括第一SS/PBCH block的频域位置信息,特定发送功率可以为频域位置信息与配置信息所携带频域位置信息相同的第三SS/PBCH block的发送功率。上述设计定义了一种规则,网络设备可以根据第一SS/PBCH block的频域位置信息在***信息块包括的多个发送功率中选择一个作为参考发送功率。
第二方面,本申请提供一种SS/PBCH block发送功率配置装置,该装置可以是网络设备,也可以是网络设备内的芯片或芯片组。该装置可以包括处理单元和收发单元。当该装置是网络设备时,该处理单元可以是处理器,该收发单元可以是收发器;该装置还可以包括存储模块,该存储模块可以是存储器;该存储模块用于存储指令,该处理单元执行该存储模块所存储的指令,以使网络设备执行上述第一方面中相应的功能。当该装置是网络设备内的芯片或芯片组时,该处理单元可以是处理器,该收发单元可以是输入/输出接口、管脚或电路等;该处理单元执行存储模块所存储的指令,以使网络设备执行上述第一方面中相应的功能,该存储模块可以是该芯片或芯片组内的存储模块(例如,寄存器、缓存等),也可以是该网络设备内的位于该芯片或芯片组外部的存储模块(例如,只读存储器、随机存取存储器等)。
第三方面,提供了一种SS/PBCH block发送功率配置装置,包括:处理器、通信接口和存储器。通信接口用于该装置与其他装置之间传输信息、和/或消息、和/或数据。该存储器用于存储计算机执行指令,当该装置运行时,该处理器执行该存储器存储的该计算机执行指令,以使该装置执行如上述第一方面或第一方面中任一设计所述的SS/PBCH block发送功率配置方法。
第四方面,本申请还提供一种计算机可读存储介质,所述计算机可读存储介质中存储有指令,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面中任一设计所述的SS/PBCH block发送功率配置方法。
第五方面,本申请还提供一种包括指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面中任一设计所述的SS/PBCH block发送功率配置方法。
第六方面,本申请还提供一种网络***,该网络***包括第一网络设备和第二设备,其中,第一网络设备为上述第二方面或第三方面所述的装置。
图1为本申请实施例提供的一种IAB***的架构示意图;
图2为本申请实施例提供的一种SSB的示意图;
图3为本申请实施例提供的一种时间上错开发送SS/PBCH block的实现方法的示意图;
图4为本申请实施例提供的一种网络设备的结构示意图;
图5为本申请实施例提供的另一种网络设备的结果示意图;
图6为本申请实施例提供的一种IAB节点的结构示意图;
图7为本申请实施例提供的另一种IAB节点的结构示意图;
图8为本申请实施例提供的一种SS/PBCH block发送功率配置方法的流程示意图;
图9为本申请实施例提供的一种提高回传链路SS/PBCH block发送功率的效果示意图;
图10为本申请实施例提供的一种降低回传链路SS/PBCH block发送功率的效果示意图;
图11为本申请实施例提供的一种SS/PBCH block发送功率配置装置的结构示意图;
图12为本申请实施例提供的另一种SS/PBCH block发送功率配置装置的结构示意图。
随着移动通信技术的不断发展,频谱资源日趋紧张。为了提高频谱利用率,未来的基站部署将会更加密集。此外,密集部署还可以避免覆盖空洞的出现。在传统蜂窝网络架构下,基站通过光纤与核心网建立连接。然而在很多场景下,光纤的部署成本非常高昂。无线中继节点(relay node,RN)通过无线回传链路与核心网建立连接,可节省部分光纤部署成本。
为了更好地理解本发明实施例,下面先对本发明实施例使用的网络架构进行描述。请参阅图1,图1为本申请实施例所适用的通信***的结构示意图。
需要说明的是,本申请实施例提及的通信***包括但不限于:物联网(internet of things,IoT)***、车联网、无线局域网(wireless local access network,WLAN)***、LTE***、下一代5G移动通信***或者5G之后的通信***,如NR、设备到设备(device to device,D2D)通信***。
在图1所示的通信***中,给出了集成接入回传IAB***。一个IAB***至少包括一个宿主基站(Donor gNB,DgNB),及它所服务的一个或多个终端设备(图1以UE为示例)101,一个或多个IAB节点(图1以传输接入点(transmission reception point,TRP)为例)rTRP 110。该rTRP 110通过无线回程链路113连接到宿主基站100,及该rTRP 110所服务的一个或多个UE 111。
IAB***还可以包括另一个或多个IAB节点rTRP 120,该一个或多个IAB节点rTRP 120通过无线回程链路123连接到IAB节点rTRP 110以接入到***的,及其所服务的一个或多个UE 121。图1中,IAB节点rTRP 110和rTRP 120都通过无线回程链路连接到网络。在本申请中,所述无线回程链路都是从IAB节点的角度来看的,比如无线回程链路113是IAB节点rTRP 110的回程链路,无线回程链路123是IAB节点rTRP 120的回程链路。如图1所示,一个IAB节点,如120,可以通过无线回程链路,如123,连接另一个IAB节点,如110,从而连接到网络,而且,IAB***可以经过多级无线中继连接到网络。通常,把提供无线回程链路资源的节点,如110,称为上游节点(或者,称为上级节点),把通过 无线回程链路接入到网络的IAB节点,如120,称为下游节点(或者,称为下级节点)。通常,下游节点可以看作是上游节点的一个终端。应理解,图1所示的IAB***中,一个IAB节点连接一个上游节点,但是在未来的IAB***中,为了提高无线回程链路的可靠性,一个IAB节点,如120,可以有多个上游节点同时为一个IAB节点提供服务。在本申请中,所述终端设备UE 102,112,122,可以是静止或移动设备。例如移动设备可以是移动电话,智能终端,平板电脑(tablet),笔记本电脑(laptop),视频游戏控制台,多媒体播放器,甚至是移动或静止的IAB节点等。静止设备通常位于固定位置,如计算机,接入点(通过无线链路连接到网络,如IAB节点)等。IAB节点rTRP 110,120的名称并不限制其所部署的场景或网络,可以是比如中继relay,RN等任何其他名称。本申请使用rTRP仅是方便描述的需要。
在图1中,所有无线链路102,112,122,113,123都是双向链路,包括上行和下行传输链路,特别地,无线回程链路113,123可以用于上游节点为下游节点提供服务,如上游节点100为下游节点110提供无线回程服务。所述下行传输是指上游节点,如节点100,为下游节点,如节点110,进行传输,上行传输是指下游节点,如节点110,给上游节点,如节点100,传输数据。所述节点不限于是网络节点还是UE,例如,在D2D场景下,UE可以充当中继节点为其他UE服务。无线回程链路在某些场景下又可以是接入链路,如回程链路123对节点110来说也可以被视作接入链路,回程链路113也是节点100的接入链路。
网络设备包括但不限于:演进型节点B(evolved node base,eNB)、无线网络控制器(radio network controller,RNC)、节点B(node B,NB)、基站控制器(base station controller,BSC)、基站收发台(base transceiver station,BTS)、家庭基站(例如,home evolved NodeB,或home node B,HNB)、基带单元(baseband Unit,BBU)、eLTE(evolved LTE,eLTE)基站、NR基站(next generation node B,gNB)或者下一代通信***的基站等。
IAB node是中继节点的特定的名称,不对本申请的方案构成限定,可以是一种具有转发功能的上述网络设备或者终端设备中的一种,也可以是一种独立的设备形态。在本申请中,IAB node可以泛指任何具有中继功能的节点或设备。比如,IAB节点可以为设置在移动物体上的模块或者装置,移动物体包括但不限于物联网中的设备,例如,汽车、火车、飞机等。本申请中的IAB node和中继节点的使用应理解具有相同的含义。
终端设备包括但不限于:UE、移动台、接入终端、用户单元、用户站、移动站、远方站、远程终端、移动设备、终端、无线通信设备、用户代理、无线局域网(wireless local access network,WLAN)中的站点(station,ST)、蜂窝电话、无绳电话、会话启动协议(session initiation protocol,SIP)电话、无线本地环路(wireless local loop,WLL)站、个人数字处理(personal digital assistant,PDA)、具有无线通信功能的手持设备、计算设备、连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的移动台以及未来演进的公共陆地移动网络(public land mobile network,PLMN)网络中的终端设备等中的任意一种。一般情况下,中继节点与一个或多个上级节点建立无线回传链路,并通过上级节点接入核心网。上级节点可通过多种信令对中继节点进行一定的控制(例如,数据调度、定时调制、功率控制等)。另外,中继节点可为多个下级节点提供服务。中继节点的上级节点可以是基站,也可以是另一个中继节点。中继节点的下级节点可以是用户设备(user equipment,UE),也可以是另一个中继节点。在某些情形下,上级节点也可以称为上游节 点,下级节点也可以称为下游节点。
带内中继是回传链路与接入链路共享相同频段的中继方案,由于没有使用额外的频谱资源,带内中继具有频谱效率高及部署成本低等优点。带内中继一般具有半双工的约束,具体地,中继节点在接收其上级节点发送的下行信号时不能向其下级节点发送下行信号,而中继节点在接收其下级节点发送的上行信号时不能向其上级节点发送上行信号。NR的中继方案可以被称为IAB,而中继节点被称为IAB节点(IAB node)。
IAB节点对于IAB网络,其可用资源的总和对于接入链路和回传链路是固定的,但是可以动态地改变接入和回传链路之间的资源划分,并满足终端跨网络的即时需求。
在长期演进(long term evolution,LTE)中,网络设备广播公共参考信号(common reference signal,CRS)供UE进行下行同步以及小区质量测量。在5G NR中,由于蜂窝通信向高频演进,***中的所有下行信号采用波束形式进行发送。这种以波束形式提供下行同步的信号叫做同步信号/物理广播信道块(synchronization signal and PBCH block,SS/PBCH block),也可以将SS/PBCH block称为同步信号块(SS/PBCH block,SSB)。基站在时间上先后向各个方向发送SS/PBCH block,在一段时间内(当前协议是5ms之内),完成所有方向SS/PBCH block的发送。如图2所示,一个SS/PBCH block由主同步信号(primary synchronization signal,PSS),辅同步信号(Secondary synchronization signal,SSS)和物理广播信道(physical broadcast channel,PBCH)组成。不同位置的UE可以检测到一个或多个SS/PBCH block。
IAB节点在需要接入网络时,也需要检测其他网络设备发送的SS/PBCH block。但是由于半双工约束,当IAB节点接收上级节点的回程链路数据时,不能在接入链路发送数据,当IAB节点在回程链路向上级节点发送数据时,不能在接入链路接收数据。因此,IAB节点测量其他网络设备发送的SS/PBCH block时,自身不能向终端设备发送SS/PBCH block。所以IAB自己发送SS/PBCH block的位置,需要和其他节点不同。图3是一种可能的时间上错开发送SS/PBCH block的实现方法。其中,为了不同的IAB节点可以相互测量,一些SS/PBCH block发送会被静默(muting),即图3中灰色的发送位置。一个IAB节点不发送SS/PBCH block时,就可以测量其他节点发送的SS/PBCH block。
但是,图3所示方法由于有些SS/PBCH block有可能会静默,因此对普通UE接入网络设备造成了影响。目前,目前网络设备可以发送两种SS/PBCH block,一种是用于终端初始接入网络设备,可以将这种SS/PBCH block称为接入链路(access link)SSB。另一种用于网络设备之间的相互发现与测量,可以将这种SS/PBCH block称为回传链路(backhaul link)SSB。为了让终端初始接入时不误测到回传链路SSB,回传链路SSB可以放在非同步栅格频点上,因此,回传链路SSB也可以称为off-sync raster SSB。
用于终端初始接入的同步信号块(即接入链路SSB),也可以用来测量该网络设备与其他网络设备发现与测量。但是用于该网络设备与其他网络设备发现与测量的同步信号块(即回传链路SSB),由于发送频点不在协议定义的终端初始扫描频点(即同步栅格频点)上,所以这种同步信号块不能用于终端初始接入网络设备。
目前,接入链路SSB,目前尚未确定如何配置,有两种可能的情况:1、通过接入链路SSB的同步信号传输配置(synchronization signal transmission configuration或者SSB/PBCH transmission configuration,STC),接入链路SSB的STC可以由CU进行配置;2、通过运行与管理(operation and management,OAM)服务器进行配置,OAM配置接入 链路SSB的信令传递协议可以为网络协议(internet protocol,IP)协议。
而回传链路SSB,通过回传链路SSB的STC进行配置,回传链路SSB的STC如下: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 transmission periodicity:
○ 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.
回传链路SSB的STC中包含的信息有:中心频点,子载波间隔,传输周期,半帧偏移(即在一个SSB周期内的具体哪个5ms),发送SSB的索引(比如64个SSB中具体哪些发了哪些没发)。但是,现有协议不支持为回传链路SSB配置发送功率,没有明确当回传链路SSB没有配置功率时,网络设备如何确定回传链路SSB的发送功率。基于此,本申请实施例提供一种SS/PBCH block发送功率配置方法及装置。其中,方法和装置是基于同一技术构思的,由于方法及装置解决问题的原理相似,因此装置与方法的实施可以相互参见,重复之处不再赘述。
本申请实施例提供的SS/PBCH block发送功率配置方法可以应用于图1所示的通信***中,应理解,图1仅是一种示例性说明,并不对通信***中包括的终端设备、网络设备的数量进行具体限定。
示例性的,本申请实施例中的网络设备的结构可以如图4所示。具体的,无线接入网设备可以划分为集中单元(centralized unit,CU)和至少一个分布单元(distributed unit,DU)。其中,CU可以用于管理或者控制至少一个DU,也可以称之为CU与至少一个DU连接。这种结构可以将通信***中无线接入网设备的协议层拆开,其中部分协议层放在CU集中控制,剩下部分或全部协议层功能分布在DU中,由CU集中控制DU。以无线接入网设备为gNB为例,gNB的协议层包括无线资源控制(radio resource control,RRC)层、业务数据适配协议(service data adaptation protocol,SDAP)层、分组数据汇聚协议(packet data convergence protocol,PDCP)层、无线链路控制(radio link control,RLC)层、媒体访问控制子层(media access control,MAC)层和物理层。其中,示例性的,CU可以用于实现RRC层、SDAP层和PDCP层的功能,DU可以用于实现RLC层、MAC层和物理层的功能。本申请实施例不对CU、DU包括的协议栈做具体限定。
本申请实施例中的CU还可以进一步分为一个控制面(CU-control plane,CU-CP)网 元和多个用户面(CU-user plane,CU-UP)网元。其中,CU-CP可以用于控制面管理,CU-UP可以用于用户面数据传输。CU-CP与CU-UP之间的接口可以为E1口。CU-CP与DU之间的接口可以为F1-C,用于控制面信令的传输。CU-UP与DU之间的接口可以为F1-U,用于用户面数据传输。CU-UP与CU-UP之间可以通过Xn-U口进行连接,进行用户面数据传输。例如,以gNB为例,gNB的结构可以如图5所示。
进一步的,若网络设备是中继设备,尤其是IAB节点时,网络设备可以包括移动终端(mobile termination,MT)功能和DU功能。IAB节点通过MT与上级节点进行通信,DU是IAB节点的基站功能模块,用于实现RLC层、MAC层和物理层的功能,主要负责调度、物理信号生成与发送,即IAB节点通过DU与下级节点和UE进行通信,如图6所示。IAB节点的MT与DU均具有完整的收发单元,且两者之间具有接口。但应注意,MT与DU为逻辑模块,在实际中,两者可以共享部分子模块,例如可共用收发天线,基带处理单元等,如图7所示。
本申请所涉及的多个,是指两个或两个以上。
另外,需要理解的是,在本申请的描述中,“第一”、“第二”等词汇,仅用于区分描述的目的,而不能理解为指示或暗示相对重要性,也不能理解为指示或暗示顺序。
下面结合附图对本申请实施例提供的SS/PBCH block发送功率配置方法进行具体说明。
参见图8,为本申请提供的SS/PBCH block发送功率配置方法的流程图,该方法包括:
S801,第一网络设备确定第一SS/PBCH block的发送功率,其中,第一SS/PBCH block的发送功率与参考发送功率相关,第一SS/PBCH block用于其他设备发现与测量第一网络设备,这里的其他设备可以是其他IAB节点。
本申请实施例中,第一网络设备可以是和其他网络设备进行数据回传的网络设备,例如,第一网络设备可以是中继设备RN,或者,第一网络设备也可以是IAB节点,或者也可以是RN的DU,IAB节点的DU,等等,这里不做具体限定。
示例性的,第一SS/PBCH block可以是回传链路SS/PBCH block,回传链路SS/PBCH block也可以简称回传链路SSB。
S802,第一网络设备以所述确定的发送功率发送第一SS/PBCH block。
目前不支持为回传链路SSB配置发送功率,没有明确当回传链路SSB没有配置功率时,网络设备如何确定回传链路SSB的发送功率。而本申请实施例中网络设备可以根据参考发送功率确定回传链路SSB的发送功率,这样,网络设备发送接入链路SSB的功率可以不同于回传链路SSB的发送功率。这样配置的一个优点是可以增加网络鲁棒性,即使网络设备提供接入服务的范围较小,但是其仍然可以支持大的互发现范围,这样可以使更多的潜在回传节点发现该网络设备,如图9所示。另一个优点是网络设备以较大的发送功率发送接入链路SSB,从而在网络设备覆盖的范围内,可以有较多的终端接入。此时网络设备可以改用较小的功率发送回传链路SSB,即自身回传链路容量受限时,通过调整网络设备发送功率,可以节省网络设备的电力消耗,如图10所示。
综上所述,支持配置回传链路SSB的发送功率,并且支持回传链路SSB采用与接入链路SSB不同的发送功率,对于网络灵活部署以及网络性能是有潜在的好处的。
示例性的,本申请实施例中,参考发送功率可以是网络设备接收到的配置信息中包括的发送功率,该配置信息用于配置第一SS/PBCH block,示例性的,该配置信息可以为回传链路STC,或者,参考发送功率也可以是第一网络设备向第一终端设备发送第二 SS/PBCH block的发送功率,或者,参考发送功率也可以是第二网络设备向第二终端设备发送第三SS/PBCH block的发送功率,其中,第二网络设备为第一网络设备的上级节点。其中,第二SS/PBCH block可以用于第一终端接入第一网络设备,第三SS/PBCH block可以用于第二终端接入第二网络设备。
第二SS/PBCH block可以是第一网络设备发送的接入链路SS/PBCH block。第三SS/PBCH block可以是第二网络设备发送的接入链路SS/PBCH block。接入链路SS/PBCH block也可以称为接入链路SSB。为了方便描述,下面将第一SS/PBCH block称为回传链路SSB,将第二SS/PBCH block和第三SS/PBCH block称为接入链路SSB,应理解,这里对仅是一种示例性名称,并不对第一SS/PBCH block、第二SS/PBCH block和第三SS/PBCH block的名称进行具体限定。
在具体实施中,第二网络设备会在空口广播一个SSB的发送功率,这个发送功率可以用于终端设备计算下行路径损耗,进行初始接入。例如,第二网络设备的DU在空口通过***消息块广播接入链路SSB的发送功率,示例性的,该***消息块可以是***消息块1(system information block 1,SIB1)。从而,第一网络设备可以接收第二网络设备的广播信息,其中,该广播信息包含第二网络设备接入链路SSB的发送功率。具体地,所述广播消息是由第一网络设备的MT模块接收。为了方便描述,下面以***消息块为SIB1为例进行说明。
当第一网络设备接收到的配置信息中未包括发送功率时,可以采用第一网络设备向第一终端设备接入链路SSB的发送功率作为参考发送功率,或者,也可以采用第二网络设备向第二终端设备发送接入链路SSB的发送功率作为参考发送功率。可以理解为,当第一网络设备在配置信息中未包括发送功率时,可以基于第一网络设备的接入链路SSB的发送功率或者第二网络设备的接入链路SSB的发送功率确定回传链路SSB的发送功率。
当第一网络设备接收到的配置信息包括指示发送功率的信息时,第一网络设备可以采用配置信息中所指示的发送功率作为参考发送功率。可以理解为,第一网络设备在配置信息包括指示发送功率的信息时,基于该指示的发送功率确定发送回传链路SSB的发送功率。例如,配置信息可以直接包括发送功率,通过这种方式指示回传链路SSB中辅同步信号SSS的每个资源要素能量(energy per resource element,EPRE)。又例如,配置信息包括了一个参数,该参数用于指示回传链路SSB的发送功率。示例性地,第一网络设备预存第一参数与回传链路SSB发送功率信息对应关系表,当第一参数取第一值时,回传链路SSB的发送功率为x,当第一参数取第二值时,回传链路SSB的发送功率为y。配置信息可以通过指示第一参数的方式来间接的指示回传链路SSB的发送功率。
具体实施中,第一网络设备在确定回传链路SSB的发送功率之前,可以接收上述配置信息。具体来说,该配置信息可以是第一网络设备的Donor节点向第一网络设备发送的。为了方便描述,下面将该配置信息称为回传链路STC。
具体实施中,第一网络设备可能覆盖1个小区,也可能覆盖多个小区(例如载波聚合场景)。若第一网络设备覆盖1个小区,第一网络设备可能配置有一个接入链路SSB,也就是,第一网络设备配置有一个接入链路SSB配置信息。若第一网络设备覆盖多个小区,第一网络设备可能配置有多个接入链路SSB,也就是,第一网络设备配置有多个接入链路SSB配置信息。当第一网络设备参考自身的接入链路SSB的发送功率确定回传链路SSB的发送功率时,也就是,参考发送功率为第一网络设备的接入链路SSB的发送功率时,如 果第一网络设备配置有1个接入链路SSB配置信息,可以将该接入链路SSB配置信息中包括的发送功率作为参考发送功率。若第一网络设备配置有多个接入链路SSB配置信息,那么可以在该多个接入链路SSB配置信息中选择任意一个接入链路SSB配置信息中包括的发送功率作为参考发送功率,或者,也可以在多个接入链路SSB配置信息中选择一个特定接入链路SSB配置信息中包括的发送功率作为参考发送功率。
下面介绍几种接入链路SSB配置信息的示例:
示例1,该特定接入链路SSB配置信息可以为第一网络设备的多个接入链路SSB配置信息中第一个被激活的接入链路SSB配置信息。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据第一网络设备的第一个被激活的接入链路SSB配置信息中包括的发送功率(也就是第一网络设备的第一个被激活的接入链路SSB的发送功率),确定回传链路SSB的发送功率。
示例2,特定接入链路SSB配置信息也可以为多个接入链路SSB配置信息中第一个被配置的接入链路SSB配置信息。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据第一网络设备的第一个被配置的接入链路SSB配置信息中包括的发送功率(也就是第一网络设备的第一个被配置的接入链路SSB的发送功率),确定回传链路SSB的发送功率。例如,如果有两个或多个接入链路SSB配置信息被第二网络设备广播,第一网络设备可以按照接收配置中,选择第一个配置的接入链路SSB配置信息,也就是根据第一个配置的接入链路SSB配置信息包括的发送功率确定回传链路SSB的发送功率。
示例3,特定接入链路SSB配置信息还可以为多个接入链路SSB配置信息中第一个被接收的接入链路SSB配置信息。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据第一网络设备的第一个被接收的接入链路SSB配置信息中包括的发送功率,确定回传链路SSB的发送功率。例如,如果有两个或多个接入链路SSB配置信息被第二网络设备广播,第一网络设备可以按照接收顺序中,选择第一个接收到的接入链路SSB配置信息,也就是根据第一个接收到的接入链路SSB配置信息包括的发送功率确定回传链路SSB的发送功率。
示例4,特定接入链路SSB配置信息还可以为多个接入链路SSB配置信息中用于配置主小区的接入链路SSB配置信息。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据第一网络设备的用于配置主小区的接入链路SSB配置信息中包括的发送功率,确定回传链路SSB的发送功率。例如,如果有两个接入链路SSB配置信息被第二网络设备广播,但是其中只有一个接入链路SSB配置信息是用于独立组网(stand along,SA)的主小区(primary cell),则第一网络设备可以根据这个接入链路SSB配置信息扩的发送功率,确定回传链路SSB的发送功率。
示例5,回传链路STC中包括第一指示信息,第一指示信息用于指示第一网络设备的参考小区或者参考频点,特定接入链路SSB配置信息也可以为参考小区或者参考频点对应的接入链路SSB配置信息。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据第一网络设备的参考小区或者参考频点对应的接入链路SSB配置信息中包括的发送功率,确定回传链路SSB的发送功率。具体实施中,第一指示信息也可以携带在其他消息中,本申请实施例仅以回传链路STC包括第一指示信息为例进行说明,并不进行具体限定。
示例6,回传链路STC中包括第二指示信息,第二指示信息用于指示作为参考信号的 接入链路SSB,特定接入链路SSB配置信息可以为作为参考信号的该接入链路SSB对应的接入链路SSB配置信息。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据参考信号的接入链路SSB的发送功率,确定回传链路SSB的发送功率。具体实施中,第二指示信息也可以携带在其他消息中,本申请实施例仅以回传链路STC包括第二指示信息为例进行说明,并不进行具体限定。
示例7,回传链路STC中包括回传链路SSB的频域位置信息,特定接入链路SSB配置信息可以为多个接入链路SSB配置信息中频域位置信息与配置信息所携带频域位置信息相同的接入链路SSB配置信息。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据频域位置信息与配置信息所携带频域位置信息相同的接入链路SSB的发送功率,确定回传链路SSB的发送功率。示例性的,回传链路SSB频域位置信息可以但不限于为回传链路SSB的频点、回传链路SSB的频段、回传链路SSB的带宽部分(bandwidth part,BWP)等等。因此第一网络设备可以根据回传链路SSB频域位置信息选择与回传链路SSB同频点/同频段/同BWP的接入链路SSB的发送功率作为参考发送功率。应理解,本申请实施例中,不限定于根据回传链路SSB的频点确定同频点的接入链路SSB、回传链路SSB的频段确定同频段的接入链路SSB、回传链路SSB的BWP确定同BWP的接入链路SSB,具体实施中,也可以根据回传链路SSB的频点确定同频点/同BWP的接入链路SSB等等。
示例8,特定接入链路SSB配置信息为多个接入链路SSB配置信息中携带参考指示的接入链路SSB配置信息,其中,该参考指示用于指示该接入链路SSB的发送功率可以被回传链路SSB参考。因此,第一网络设备在上述配置信息没有包括发送功率时,可以根据携带参考指示的接入链路SSB配置信息中包括的发送功率,确定回传链路SSB的发送功率。这种方式通过在接入SSB配置信息中新增一个参考指示(reference flag),从而第一网络设备可以按照带有参考指示的接入链路SSB配置信息,确定回传链路SSB的发送功率。在具体实施中,不仅是回传链路SSB的发送功率可以参考该带有参考指示的接入链路SSB配置信息进行配置,回传链路SSB的其他参数也可以参考该带有参考指示的接入链路SSB配置信息进行配置,这里不再一一列举。
具体实施中,第二网络设备广播的SIB1中可能包括一个接入链路SSB的发送功率,也可能包括多个接入链路SSB的发送功率。当第一网络设备参考第二网络设备的接入链路SSB的发送功率确定回传链路SSB的发送功率时,也就是,参考发送功率为第二网络设备的接入链路SSB的发送功率时,若SIB1中包括一个发送功率,则参考发送功率为SIB1包括的该发送功率,也就是第一网络设备可以参考SIB中包括的该发送功率确定回传链路SSB的发送功率。若SIB1中包括多个发送功率,则参考发送功率可以为SIB1包括的多个发送功率中任一发送功率,也就是,第一网络设备可以在SIB1包括的多个发送功率中选择任意一个发送功率作为参考发送功率来确定回传链路SSB的发送功率。或者,若SIB1中包括多个发送功率,则参考发送功率也可以为SIB1包括的多个发送功率中特定发送功率,也就是,第一网络设备可以在SIB1包括的多个发送功率中选择一个特定的发送功率作为参考发送功率来确定回传链路SSB的发送功率。
下面给出几种特定发送功率的示例:
示例1,SIB中包括第三指示信息,第三指示信息用于指示第二网络设备的参考小区或者参考频点,特定发送功率为SIB1包括的多个发送功率中,第二网络设备的参考小区 或者参考频点所对应的发送功率。这种方式中,第二网络设备可以配置自身的参考小区/参考频点,则第一网络设备可以选择该参考小区/参考频点对应的发送功率作为参考发送功率来确定回传链路SSB的发送功率。其中,第二网络设备的参考小区的小区标识(cell identition,cell ID)或者参考频点可以是第二网络设备通过***消息广播发送的,从而第一网络设备在接收到第二网络设备广播的***消息后可以获取第二网络设备的参考小区或者参考频点。示例性的,***消息可以但不限于为SIB消息(如SIB1)、主信息块(master information block,MIB)消息、RRC信令等。
示例2,特定发送功率为SIB1包括的多个发送功率中,第二网络设备的作为参考信号的接入链路SSB对应的发送功率。这种方式中,第二网络设备可以配置自身的参考同步信号,则第一网络设备可以选择该参考同步信号对应的发送功率作为参考发送功率来确定回传链路SSB的发送功率。
示例3,特定发送功率为SIB1包括的多个发送功率中,第一网络设备当前接入或第二网络设备当前激活的接入链路SSB的发送功率。这种方式中,第一网络设备可以选择自身当前接入的接入链路SSB的发送功率,或者第二网络设备当前激活的接入链路SSB的发送功率作为参考发送功率来确定回传链路SSB的发送功率。
示例4,配置信息中包括接入链路SSB的频域位置信息,特定发送功率为SIB1包括的多个发送功率中,频域位置信息与配置信息所携带频域位置信息相同的接入链路SSB的发送功率。示例性的,回传链路SSB频域位置信息可以但不限于为回传链路SSB的频点、回传链路SSB的频段、回传链路SSB的带宽部分(bandwidth part,BWP)等等。因此第一网络设备可以根据回传链路SSB频域位置信息选择第二网络设备的与回传链路SSB同频点/同频段/同BWP的接入链路SSB的发送功率作为参考发送功率。应理解,本申请实施例中,不限定于根据回传链路SSB的频点确定第二网络设备的同频点的接入链路SSB、回传链路SSB的频段确定第二网络设备的同频段的接入链路SSB、回传链路SSB的BWP确定第二网络设备的同BWP的接入链路SSB,具体实施中,也可以根据回传链路SSB的频点确定第二网络设备的同频点/同BWP的接入链路SSB等等。
一种实现方式中,第一网络设备基于参考发送功率确定发送回传链路SSB的发送功率时,具体可以是采用参考发送功率作为回传链路SSB的发送功率。例如,在配置信息中包括发送功率时,第一网络设备可以采用该发送功率作为发送回传链路SSB的发送功率。在配置信息未包括发送功率时,第一网络设备可以采用自身的接入链路SSB的发送功率作为发送回传链路SSB的发送功率,或者采用第二网络设备的接入链路SSB的发送功率作为发送回传链路SSB的发送功率。
或者,回传链路STC中还可以包括功率偏移值,那么第一网络设备基于参考发送功率确定回传链路SSB的发送功率时,可以基于参考发送功率以及功率偏移值确定。例如,回传链路SSB的发送功率可以为参考发送功率加上功率偏移值的结果,即P_BH=P_offset+P_AC,其中,P_BH为回传链路SSB的发送功率,P_offset为配置信息中携带的功率偏移值,P_AC为参考发送功率。或者,回传链路SSB的发送功率可以为参考发送功率减去功率偏移值的结果,即P_BH=P_AC-P_offset。当然,回传链路SSB也可以为参考发送功率和功率偏移值进行其他计算的结果,这里不做具体限定。
进一步的,回传链路STC可以包括多个功率偏移值,其中,一个回传链路SSB关联一个功率偏移值。第一网络设备基于参考发送功率确定某回传链路SSB的发送功率时,具 体可以基于参考发送功率以及该回传链路SSB所关联的功率偏移值,确定该回传链路SSB的发送功率。其中,回传链路STC可以包括每个回传链路SSB对应的功率偏移值,也可以为部分回传链路SBB对应的功率偏移值。若回传链路STC中包括部分回传链路SBB对应的功率偏移值,那么其他没有功率偏移值的回传链路SSB的发送功率可以采用参考发送功率进行发送。
应理解,本申请实施例中,“回传链路STC可以包括多个功率偏移值”可以理解为一个回传链路STC可以配置多个回传链路SSB,该回传链路STC可以包括多个回传链路SSB分别对应的功率偏移值。或者,“回传链路STC可以包括多个功率偏移值”也可以理解为第一网络设备接收多个回传链路STC,其中,一个回传链路STC配置一个回传链路SSB,该回传链路STC可以包括该回传链路SSB对应的功率偏移值,也就是,“回传链路STC可以包括多个功率偏移值”中的“回传链路STC”可以指第一网络设备接收的多个回传链路STC。
基于与方法实施例的同一发明构思,本申请实施例提供一种SS/PBCH block发送功率配置装置。SS/PBCH block发送功率配置装置具体可以用于实现图8至图10的实施例中第一网络设备执行的方法,该装置可以是第一网络设备本身,也可以是第一网络设备中的芯片或芯片组或芯片中用于执行相关方法功能的一部分。该SS/PBCH block发送功率配置装置的结构可以如图11所示,包括处理单元1101以及收发单元1102。其中,处理单元1101,用于确定第一SS/PBCH block的发送功率,其中,第一SSB的发送功率与参考发送功率相关,第一SS/PBCH block用于第二设备发现与测量第一网络设备。收发单元1102,用于以处理单元1101确定的发送功率发送第一SS/PBCH block。
一种实施方式中,收发单元1102,还可以用于:接收配置信息,配置信息用于配置第一SS/PBCH block。
处理单元1101,可以具体用于:当配置信息未包括指示第一SS/PBCH block的发送功率的信息时,基于参考发送功率确定第一SS/PBCH block的发送功率,参考发送功率为第一网络设备向第一终端设备发送第二SS/PBCH block的发送功率,或者,参考发送功率为第二网络设备向第二终端设备发送第三SS/PBCH block的发送功率,其中,第二网络设备为第一网络设备的上级节点。或者,处理单元1101,还可以具体用于:当配置信息包括指示第一SS/PBCH block的发送功率的信息时,基于参考发送功率确定第一SS/PBCH block的发送功率,参考发送功率为配置信息所指示的发送功率。
具体来说,处理单元1101,在基于参考发送功率确定第一SS/PBCH block的发送功率时,可以具体用于:采用参考发送功率作为发送第一SS/PBCH block的发送功率。
一些实施例中,配置信息可以包括功率偏移值。处理单元1101,在基于参考发送功率确定第一SS/PBCH block的发送功率时,可以具体用于:基于参考发送功率以及功率偏移值确定第一SS/PBCH block的发送功率。
进一步的,配置信息可以包括多个功率偏移值,一个第一SS/PBCH block关联一个功率偏移值。处理单元1101,在基于参考发送功率确定第一SS/PBCH block的发送功率时,可以具体用于:基于参考发送功率以及第一SS/PBCH block所关联的功率偏移值,确定第一SS/PBCH block的发送功率。
示例性的,当第一网络设备配置有1个第二SS/PBCH block配置信息时,参考发送功率可以为第二SS/PBCH block配置信息中包括的发送功率。当第一网络设备配置有多个第 二SS/PBCH block配置信息时,参考发送功率可以为多个第二SS/PBCH block配置信息中任一第二SS/PBCH block配置信息中包括的发送功率,或者,参考发送功率也可以为多个第二SS/PBCH block配置信息中一个特定第二SS/PBCH block配置信息中包括的发送功率。
其中,特定第二SS/PBCH block配置信息可以为多个第二SS/PBCH block配置信息中第一个被激活的第二SS/PBCH block配置信息。
或者,特定第二SS/PBCH block配置信息也可以为多个第二SS/PBCH block配置信息中第一个被配置的第二SS/PBCH block配置信息。
或者,特定第二SS/PBCH block配置信息还可以为多个第二SS/PBCH block配置信息中第一个被接收的第二SS/PBCH block配置信息。
或者,特定第二SS/PBCH block配置信息也可以为多个第二SS/PBCH block配置信息中用于配置主小区的第二SS/PBCH block配置信息。
或者,配置信息中可以包括第一指示信息,第一指示信息用于指示第一网络设备的参考小区或者参考频点,特定第二SS/PBCH block配置信息可以为参考小区或者参考频点对应的第二SS/PBCH block配置信息。
或者,配置信息中也可以包括第二指示信息,第二指示信息用于指示作为参考信号的第二SS/PBCH block,特定第二SS/PBCH block配置信息可以为作为参考信号的第二SS/PBCH block对应的第二SS/PBCH block配置信息。
或者,配置信息中还可以包括第一SS/PBCH block的频域位置信息,特定第二SS/PBCH block配置信息可以为多个第二SS/PBCH block配置信息中频域位置信息与配置信息所携带频域位置信息相同的第二SS/PBCH block配置信息。
或者,特定第二SS/PBCH block配置信息也可以为多个第二SS/PBCH block配置信息中携带参考指示的第二SS/PBCH block配置信息。
一种实现方式中,收发单元1102,还可以用于:接收第二网络设备广播的***信息块,其中,***信息块包括一个或多个第三SS/PBCH block的发送功率。
进一步的,当***信息块中包括一个发送功率时,参考发送功率可以为***信息块包括的发送功率。当***信息块中包括多个发送功率时,参考发送功率可以为***信息块包括的多个发送功率中任一发送功率,或者,参考发送功率也可以为***信息块包括的多个发送功率中特定发送功率。
示例性的,特定发送功率可以为第二网络设备的参考小区或者参考频点所对应的发送功率。
或者,特定发送功率也可以为第二网络设备的作为参考信号的第三SS/PBCH block对应的发送功率。
或者,特定发送功率还可以为第一网络设备当前接入或第二网络设备当前激活的第三SS/PBCH block的发送功率。
或者,配置信息中可以包括第一SS/PBCH block的频域位置信息,特定发送功率可以为频域位置信息与配置信息所携带频域位置信息相同的第三SS/PBCH block的发送功率。
本申请实施例中对模块的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,另外,在本申请各个实施例中的各功能模块可以集成在一个处理器中,也可以是单独物理存在,也可以两个或两个以上模块集成在一个模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。可以理解的是, 本申请实施例中各个模块的功能或者实现可以进一步参考方法实施例的相关描述。
一种可能的方式中,SS/PBCH block发送功率配置装置可以如图12所示,该装置可以是网络设备或者网络设备中的芯片。该装置可以包括处理器1201,通信接口1202,存储器1203。其中,处理单元1101可以为处理器1201。收发单元1102可以为通信接口1202。
处理器1201,可以是一个中央处理单元(central processing unit,CPU),或者为数字处理单元等等。通信接口1202可以是收发器、也可以为接口电路如收发电路等、也可以为收发芯片等等。该装置还包括:存储器1203,用于存储处理器1201执行的程序。存储器1203可以是非易失性存储器,比如硬盘(hard disk drive,HDD)或固态硬盘(solid-state drive,SSD)等,还可以是易失性存储器(volatile memory),例如随机存取存储器(random-access memory,RAM)。存储器1203是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质,但不限于此。
处理器1201用于执行存储器1203存储的程序代码,具体用于执行上述处理单元1101的动作,本申请在此不再赘述。通信接口1202具体用于执行上述收发单元1102的动作,本申请在此不再赘述。
本申请实施例中不限定上述通信接口1202、处理器1201以及存储器1203之间的具体连接介质。本申请实施例在图12中以存储器1203、处理器1201以及通信接口1202之间通过总线1204连接,总线在图12中以粗线表示,其它部件之间的连接方式,仅是进行示意性说明,并不引以为限。所述总线可以分为地址总线、数据总线、控制总线等。为便于表示,图12中仅用一条粗线表示,但并不表示仅有一根总线或一种类型的总线。
本发明实施例还提供了一种计算机可读存储介质,用于存储为执行上述处理器所需执行的计算机软件指令,其包含用于执行上述处理器所需执行的程序。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包括一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,DVD)、或者半导体介质(例如SSD)等。
本申请是参照根据本申请的方法、设备(***)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方 式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内,则本申请也意图包含这些改动和变型在内。
Claims (25)
- 一种同步信号/物理广播信道块SS/PBCH block发送功率配置方法,其特征在于,所述方法包括:第一网络设备确定第一SS/PBCH block的发送功率,其中,所述第一SS/PBCH block的发送功率与参考发送功率相关,所述第一SS/PBCH block用于第二设备发现与测量所述第一网络设备;所述第一网络设备以所述发送功率发送所述第一SS/PBCH block。
- 如权利要求1所述的方法,其特征在于,第一网络设备确定第一SS/PBCH block的发送功率,具体包括:所述第一网络设备接收配置信息,所述配置信息用于配置所述第一SS/PBCH block;当所述配置信息未包括指示所述第一SS/PBCH block的发送功率的信息时,基于所述参考发送功率确定所述第一SS/PBCH block的发送功率,所述参考发送功率为所述第一网络设备向第一终端设备发送第二SS/PBCH block的发送功率,或者,所述参考发送功率为第二网络设备向第二终端设备发送第三SS/PBCH block的发送功率,其中,所述第二网络设备为第一网络设备的上级节点。
- 如权利要求1所述的方法,其特征在于,第一网络设备确定第一SS/PBCH block的发送功率,具体包括:所述第一网络设备接收配置信息,所述配置信息用于配置第一SS/PBCH block;当所述配置信息包括指示所述第一SS/PBCH block的发送功率的信息时,基于所述参考发送功率确定所述第一SS/PBCH block的发送功率,所述参考发送功率为所述配置信息所指示的发送功率。
- 如权利要求2或3所述的方法,其特征在于,所述第一网络设备基于所述参考发送功率确定所述第一SS/PBCH block的发送功率,包括:所述第一网络设备采用所述参考发送功率作为发送所述第一SS/PBCH block的发送功率。
- 如权利要求2或3所述的方法,其特征在于,所述配置信息包括功率偏移值;所述第一网络设备基于所述参考发送功率确定所述第一SS/PBCH block的发送功率,包括:所述第一网络设备基于所述参考发送功率以及所述功率偏移值确定所述第一SS/PBCH block的发送功率。
- 如权利要求2或3或5所述的方法,其特征在于,所述配置信息包括多个功率偏移值,一个第一SS/PBCH block关联一个功率偏移值;所述第一网络设备基于所述参考发送功率确定所述第一SS/PBCH block的发送功率,包括:所述第一网络设备基于所述参考发送功率以及所述第一SS/PBCH block所关联的功率偏移值,确定所述第一SS/PBCH block的发送功率。
- 如权利要求2所述的方法,其特征在于,所述第一网络设备配置有1个第二SS/PBCH block配置信息,所述参考发送功率为所 述第二SS/PBCH block配置信息中包括的发送功率;或者,所述第一网络设备配置有多个第二SS/PBCH block配置信息,所述参考发送功率为所述多个第二SS/PBCH block配置信息中任一第二SS/PBCH block配置信息中包括的发送功率;或者,所述第一网络设备配置有多个第二SS/PBCH block配置信息,所述参考发送功率为所述多个第二SS/PBCH block配置信息中一个特定第二SS/PBCH block配置信息中包括的发送功率。
- 如权利要求7所述的方法,其特征在于,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中第一个被激活的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中第一个被配置的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中第一个被接收的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中用于配置主小区的第二SS/PBCH block配置信息;或者,所述配置信息中包括第一指示信息,所述第一指示信息用于指示所述第一网络设备的参考小区或者参考频点,所述特定第二SS/PBCH block配置信息为所述参考小区或者所述参考频点对应的第二SS/PBCH block配置信息;或者,所述配置信息中包括第二指示信息,所述第二指示信息用于指示作为参考信号的第二SS/PBCH block,所述特定第二SS/PBCH block配置信息为所述作为参考信号的第二SS/PBCH block对应的第二SS/PBCH block配置信息;或者,所述配置信息中包括所述第一SS/PBCH block的频域位置信息,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中频域位置信息与所述配置信息所携带频域位置信息相同的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中携带参考指示的第二SS/PBCH block配置信息。
- 如权利要求2所述的方法,其特征在于,所述方法还包括:所述第一网络设备接收所述第二网络设备广播的***信息块,其中,所述***信息块包括一个或多个第三SS/PBCH block的发送功率。
- 如权利要求9所述的方法,其特征在于,当所述***信息块中包括一个发送功率时,所述参考发送功率为所述***信息块包括的所述发送功率;或者,当所述***信息块中包括多个发送功率时,所述参考发送功率为所述***信息块包括的多个发送功率中任一发送功率;或者,当所述***信息块中包括多个发送功率时,所述参考发送功率为所述***信息块包括的多个发送功率中特定发送功率。
- 如权利要求10所述的方法,其特征在于,所述特定发送功率为所述第二网络设备的参考小区或者参考频点所对应的发送功率;或者,所述特定发送功率为所述第二网络设备的作为参考信号的第三SS/PBCH block对应的发送功率;或者,所述特定发送功率为所述第一网络设备当前接入或所述第二网络设备当前激活的第三SS/PBCH block的发送功率;或者,所述配置信息中包括所述第一SS/PBCH block的频域位置信息,所述特定发送功率为频域位置信息与所述配置信息所携带频域位置信息相同的第三SS/PBCH block的发送功率。
- 一种同步信号/物理广播信道块SS/PBCH block发送功率配置装置,其特征在于,所述装置包括:处理单元,用于确定第一SS/PBCH block的发送功率,其中,所述第一SS/PBCH block的发送功率与参考发送功率相关,所述第一SS/PBCH block用于第二设备发现与测量第一网络设备;收发单元,用于以所述处理单元确定的所述发送功率发送所述第一SS/PBCH block。
- 如权利要求12所述的装置,其特征在于,所述收发单元,还用于:接收配置信息,所述配置信息用于配置所述第一SS/PBCH block;所述处理单元,具体用于:当所述配置信息未包括指示所述第一SS/PBCH block的发送功率的信息时,基于所述参考发送功率确定所述第一SS/PBCH block的发送功率,所述参考发送功率为所述第一网络设备向第一终端设备发送第二SS/PBCH block的发送功率,或者,所述参考发送功率为第二网络设备向第二终端设备发送第三SS/PBCH block的发送功率,其中,所述第二网络设备为第一网络设备的上级节点。
- 如权利要求12所述的装置,其特征在于,所述收发单元,还用于:接收配置信息,所述配置信息用于配置所述第一SS/PBCH block;所述处理单元,具体用于:当所述配置信息包括指示所述第一SS/PBCH block的发送功率的信息时,基于所述参考发送功率确定所述第一SS/PBCH block的发送功率,所述参考发送功率为所述配置信息所指示的发送功率。
- 如权利要求13或14所述的装置,其特征在于,所述处理单元,在基于所述参考发送功率确定所述第一SS/PBCH block的发送功率时,具体用于:采用所述参考发送功率作为发送所述第一SS/PBCH block的发送功率。
- 如权利要求13或14所述的装置,其特征在于,所述配置信息包括功率偏移值;所述处理单元,在基于所述参考发送功率确定所述第一SS/PBCH block的发送功率时,具体用于:基于所述参考发送功率以及所述功率偏移值确定所述第一SS/PBCH block的发送功率。
- 如权利要求13或14或16所述的装置,其特征在于,所述配置信息包括多个功率偏移值,一个第一SS/PBCH block关联一个功率偏移值;所述处理单元,在基于所述参考发送功率确定所述第一SS/PBCH block的发送功率时,具体用于:基于所述参考发送功率以及所述第一SS/PBCH block所关联的功率偏移值,确定所述第一SS/PBCH block的发送功率。
- 如权利要求13所述的装置,其特征在于,所述第一网络设备配置有1个第二 SS/PBCH block配置信息,所述参考发送功率为所述第二SS/PBCH block配置信息中包括的发送功率;或者,所述第一网络设备配置有多个第二SS/PBCH block配置信息,所述参考发送功率为所述多个第二SS/PBCH block配置信息中任一第二SS/PBCH block配置信息中包括的发送功率;或者,所述第一网络设备配置有多个第二SS/PBCH block配置信息,所述参考发送功率为所述多个第二SS/PBCH block配置信息中一个特定第二SS/PBCH block配置信息中包括的发送功率。
- 如权利要求18所述的装置,其特征在于,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中第一个被激活的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中第一个被配置的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中第一个被接收的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中用于配置主小区的第二SS/PBCH block配置信息;或者,所述配置信息中包括第一指示信息,所述第一指示信息用于指示所述第一网络设备的参考小区或者参考频点,所述特定第二SS/PBCH block配置信息为所述参考小区或者所述参考频点对应的第二SS/PBCH block配置信息;或者,所述配置信息中包括第二指示信息,所述第二指示信息用于指示作为参考信号的第二SS/PBCH block,所述特定第二SS/PBCH block配置信息为所述作为参考信号的第二SS/PBCH block对应的第二SS/PBCH block配置信息;或者,所述配置信息中包括所述第一SS/PBCH block的频域位置信息,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中频域位置信息与所述配置信息所携带频域位置信息相同的第二SS/PBCH block配置信息;或者,所述特定第二SS/PBCH block配置信息为所述多个第二SS/PBCH block配置信息中携带参考指示的第二SS/PBCH block配置信息。
- 如权利要求13所述的装置,其特征在于,所述收发单元,还用于:接收所述第二网络设备广播的***信息块,其中,所述***信息块包括一个或多个第三SS/PBCH block的发送功率。
- 如权利要求20所述的装置,其特征在于,当所述***信息块中包括一个发送功率时,所述参考发送功率为所述***信息块包括的所述发送功率;或者,当所述***信息块中包括多个发送功率时,所述参考发送功率为所述***信息块包括的多个发送功率中任一发送功率;或者,当所述***信息块中包括多个发送功率时,所述参考发送功率为所述***信息块包括的多个发送功率中特定发送功率。
- 如权利要求21所述的装置,其特征在于,所述特定发送功率为所述第二网络设备的参考小区或者参考频点所对应的发送功率;或者,所述特定发送功率为所述第二网络设备的作为参考信号的第三SS/PBCH block对应的 发送功率;或者,所述特定发送功率为所述第一网络设备当前接入或所述第二网络设备当前激活的第三SS/PBCH block的发送功率;或者,所述配置信息中包括所述第一SS/PBCH block的频域位置信息,所述特定发送功率为频域位置信息与所述配置信息所携带频域位置信息相同的第三SS/PBCH block的发送功率。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储程序或指令,所述程序或所述指令在被一个或多个处理器读取并执行时可实现权利要求1至11任一项所述的方法。
- 一种计算机程序产品,其特征在于,当所述计算机程序产品在网络设备上运行时,使得所述网络设备执行权利要求1至11任一所述的方法。
- 一种网络***,其特征在于,包括第一网络设备和第二设备,其中,所述第一网络设备为如权利要求12-22任一项所述的装置。
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