WO2019029165A1 - 一种发射功率配置、随机接入功率控制方法、装置和设备 - Google Patents

一种发射功率配置、随机接入功率控制方法、装置和设备 Download PDF

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Publication number
WO2019029165A1
WO2019029165A1 PCT/CN2018/079680 CN2018079680W WO2019029165A1 WO 2019029165 A1 WO2019029165 A1 WO 2019029165A1 CN 2018079680 W CN2018079680 W CN 2018079680W WO 2019029165 A1 WO2019029165 A1 WO 2019029165A1
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Prior art keywords
transmit power
sync
blocks
synchronization
block
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PCT/CN2018/079680
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English (en)
French (fr)
Inventor
张峻峰
帕特里克·斯韦德曼
刘星
李剑
郝鹏
Original Assignee
中兴通讯股份有限公司
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Priority claimed from CN201710807108.5A external-priority patent/CN109391975B/zh
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2019029165A1 publication Critical patent/WO2019029165A1/zh

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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
    • H04W52/10—Open loop power control

Definitions

  • the present invention relates to the field of communications, and in particular, to a transmit power configuration, a random access power control method, apparatus, and device.
  • 5G fifth generation of mobile communication
  • a 5G communication system is considered to be implemented in a higher and wider frequency band (e.g., above 3 GHz) in order to achieve higher data rates.
  • the characteristics of high-frequency communication are that it has relatively serious path loss and penetration loss, and its spatial transmission is closely related to the atmosphere. Due to the extremely short wavelength of the high-frequency signal, a large number of small antenna arrays can be applied, so that the beamforming technology can obtain a more accurate beam direction, and the advantages of the narrow beam technology can improve the coverage of the high-frequency signal and compensate for the transmission loss.
  • a major feature of communication is considered to be implemented in a higher and wider frequency band (e.g., above 3 GHz) in order to achieve higher data rates.
  • the characteristics of high-frequency communication are that it has relatively serious path loss and penetration loss, and its spatial transmission is closely related to the atmosphere. Due to the extremely short wavelength of the high-frequency signal, a large number of small antenna arrays can be applied, so that the beamforming technology can obtain a more accurate beam direction, and the advantages of the narrow beam
  • the power transmitted by the LTE random access preamble is determined by open loop power control.
  • open loop transmit power it is necessary to know the transmission of the common reference signal of each cell.
  • the power in combination with the received reference signal receiving power (RSRP) of the received common reference signal, obtains a path loss value between the cell base station and the terminal.
  • the preamble transmit power of the terminal is determined according to the path loss value and other parameters, such as the minimum requirement of the base station receiving the energy of the random access signal.
  • the random access transmit power of the new radio access (New Radio, NR) technology used by 5G is also determined by the open loop power control method, but the NR has no common reference signal, so the downlink signal that can be used in the initial access phase can be measured.
  • a Synchronization Signal Block (SSB or SS Synchronization Block) each of which represents a different downlink beam direction, and the downlink beam may be derived from a different Transmission Reception Point (TRP) in the heterogeneous network.
  • TRP Transmission Reception Point
  • the transmit power of different sync blocks may be different. If the path loss value is calculated according to only one type of transmit power and the random access is further calculated, the calculated path loss value may have a large error, thereby affecting the system access success rate and Access delay.
  • an embodiment of the present invention provides a method for configuring a transmit power, including:
  • the embodiment of the present invention further provides a transmitting power configuration apparatus, including:
  • a transmit power determining module configured to determine a transmit power of a sync block transmitted by the cell
  • a transmit power configuration module configured to configure transmit power information of the synchronization block by using a system message of the cell, where when the synchronization block period of the cell includes multiple synchronization blocks, the transmit power information of the synchronization block includes Transmit power information of the plurality of sync blocks.
  • an embodiment of the present invention further provides a base station, including a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the computer program
  • a base station including a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the computer program
  • embodiments of the present invention also provide a computer readable storage medium having stored thereon a computer program, wherein the computer program is executed by a processor to implement processing of a transmit power configuration method as described above.
  • the solution of the foregoing embodiment may configure the transmit power information for multiple sync blocks of the cell, so that the terminal can learn the transmit power of the selected sync block, and configure the random access power control.
  • the embodiment of the present invention provides a random access power control method, including:
  • the transmit power of the selected sync block is obtained from the system message, and the transmit power of the random access signal is determined according to the acquired transmit power.
  • the embodiment of the present invention further provides a random access power control apparatus, including:
  • a message receiving module configured to receive a system message of a cell, where the system message carries transmit power information of a synchronization block transmitted by the cell, where the synchronization block includes multiple synchronization blocks in a synchronization block period of the cell, Transmit power information includes transmit power information of the plurality of sync blocks;
  • the power determining module is configured to: after selecting a sync block, acquire a transmit power of the selected sync block from the system message, and determine a transmit power of the random access signal according to the acquired transmit power.
  • an embodiment of the present invention further provides a terminal, including a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the computer program
  • a terminal including a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the computer program
  • embodiments of the present invention also provide a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the processing of the random access power control method as described above.
  • the solution of the foregoing embodiment can obtain the transmission power of the synchronization block selected by the terminal, and effectively improve the accuracy of the estimation of the transmission power of the random access signal.
  • 1 is a schematic diagram of a transmission and reception point transmission synchronization block of a cell in 5G;
  • FIG. 2 is a flowchart of a method for configuring a transmit power according to an embodiment of the present invention
  • FIG. 3 is a block diagram of a transmit power configuration apparatus according to an embodiment of the present invention.
  • FIG. 5 is a block diagram of a random access power control apparatus according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic diagram of an example of a synchronous grouping according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of another example of a synchronous grouping according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a hardware entity of a device according to an embodiment of the present invention.
  • the random access transmit power of the NR technology used by 5G is also determined by the open loop power control method. It is also necessary to determine the path loss value to calculate the transmit power, but the NR path loss value is very different from the LTE ratio.
  • Reference signal so the downlink signal that can be used for measurement in the initial access phase is preferably SSB sync block, each sync block represents a different downlink beam direction, and the downlink beam may come from different TRPs in the heterogeneous network due to the same cell There are differences in the attributes of the next TRP. Some are macro base stations, some are small cells, some are Pico base stations (a pico base station) or home base stations, and their transmit power levels are different.
  • the sync blocks measured by the terminal are RSRP, since the power of transmitting different sync blocks may be different, as shown in FIG. 1, the first sync block SSB1 and the second sync block SSB2 are transmitted by the first transmission receiving point TRP1, and the third sync block SSB3 is received by the second transmission receiving point.
  • the TRP2 transmits, and the fourth sync block SSB4 is transmitted by the third transmission receiving point TRP3, and TRP1, TRP2, and TRP3 may use different transmission powers. If the calculation is based on the transmit power of a certain type of TRP, the calculated path loss value will have a large error, which will affect the system access success rate and access delay.
  • This embodiment provides a method for configuring a transmit power, which can be applied to a 5G system but is not limited thereto. As shown in FIG. 2, the method in this embodiment includes:
  • Step 110 Determine a transmit power of a sync block transmitted by the cell.
  • TRPs there may be multiple types of TRPs in the same cell, such as a macro base station, a small base station, a Pico base station, or a home base station. These TRPs have data transmission functions.
  • a cell has a central control node, such as a macro base station for the cell, responsible for resource scheduling and control functions.
  • the transmit power of the sync block transmitted by the cell can be determined and configured by the central control node.
  • the transmit power of the sync block can be determined according to the type of TRP that transmits the sync block.
  • the same TRP may transmit one synchronization block or multiple synchronization blocks. When multiple synchronization blocks are transmitted, the transmission power of the synchronization blocks is the same, but the present application does not exclude that one TRP transmission has different transmission powers. The case of the sync block.
  • Step 120 Configure transmit power information of the synchronization block by using a system message of the cell, where when the synchronization block period of the cell includes multiple synchronization blocks, the transmit power information of the synchronization block includes the multiple The transmit power information of the sync block.
  • the transmit power information of the synchronization block is configured by the broadcast message transmitted by the cell transmission receiving point to configure the transmit power information of the synchronization block for the terminal, such as the UE, and the transmit power information may be used as the random access. Part of the configuration information can also be used as separate configuration information.
  • broadcast messages are carried using resources in the sync block.
  • the transmit power information of the sync block may also be indicated in a Remaining System Information (RMSI) transmitted by the cell transmission receiving point.
  • RMSI Remaining System Information
  • RMSI Remaining System Information
  • the broadcast messages sent by different TRPs of the cell are the same. After receiving the broadcast message sent by the TRP, the terminal can obtain not only the transmit power information of the sync block transmitted by the TRP but also other TRP transmissions of the cell. The transmit power information of the sync block.
  • the synchronization block is transmitted periodically, and the block period of the cell refers to the transmission period of the cell synchronization block, which may be predefined by the system or configured by signaling, for example, 20 milliseconds (ms) or 40 ms.
  • the sync block period may include one or more sync blocks, and the time domain and frequency domain positions of the sync blocks may also be agreed in advance or configured by the base station to the terminal.
  • a sync block within a sync block period may be represented as a set of sync bursts, the set of sync bursts comprising one or more sync bursts transmitted by the cell, one sync burst comprising one or more of a sub-frame or a time slot Sync blocks.
  • the sync burst set thus includes one or more sync blocks that are transmitted over a period of time.
  • the synchronization block in the synchronization burst set is periodically transmitted, and the number and location of the synchronization blocks in a synchronization burst set may be predefined by the system or configured by signaling.
  • the transmission power information of the synchronization block includes the multiple synchronizations.
  • the transmit power information of the block that is, the transmit power information of all the sync blocks transmitted by the cell in the system message needs to be indicated to the terminal, and the transmit power of the sync blocks may be the same, partially the same, or different. This means that if the transmit power of the multiple sync blocks transmitted by the cell is different, the transmit power information of the sync block needs to be configured multiple, and at most one transmit power information can be configured for each sync block.
  • the transmit power information of the plurality of sync blocks may include:
  • the transmit power information of the multiple sync blocks includes:
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each of the plurality of sync blocks or each of the sync block groups relative to the reference transmit power
  • each synchronization block grouping includes one or more synchronization blocks of the plurality of synchronization blocks transmitted by the same transmission receiving node and having the same transmission power, or one or more of the plurality of synchronization blocks having the same transmission power Sync block.
  • the transmission power values of the plurality of synchronization blocks may be arranged in an agreed order, for example, according to an index (or identifier) of the synchronization block. Small (or small to large) in order.
  • the index of the sync block may be an index in a set of sync blocks composed of a plurality of sync blocks included in the sync block period, such as an index in a set of sync bursts, if one transport receiving node transmits only one sync block, then It is also possible to use the index of the transmission receiving node as an index of the synchronization block it transmits.
  • the terminal can determine the sync block corresponding to the transmit power value according to the agreed order.
  • the transmit power information of the plurality of sync blocks includes:
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each of the plurality of sync blocks relative to the reference transmit power.
  • the transmission power values of the plurality of synchronization blocks may be arranged in an agreed order, for example, according to an index (or identifier) of the synchronization block. Small (or small to large) in order.
  • the index of the sync block may be an index in a set of sync blocks composed of a plurality of sync blocks included in the sync block period, such as an index in a set of sync bursts, if one transport receiving node transmits only one sync block, then It is also possible to use the index of the transmission receiving node as an index of the synchronization block it transmits.
  • the terminal can determine the sync block corresponding to the transmit power value according to the agreed order.
  • the system is configured with the reference transmit power of the cell sync block, and the system message indicates the difference between the transmit power of the sync block transmitted by the cell and the reference transmit power.
  • the transmit power of the micro cell is 24 dBm, the difference from the reference power is -9 dB, and the transmit power of the home base station is 20 dBm, and the difference from the reference power is -13 dB.
  • the difference can be configured in the system message in an absolute amount, but in order to save the signaling overhead, considering that the enumeration of the difference is limited, the difference can be indexed and abstracted into finite bits for expression, assuming the cell
  • the sync block period includes 4 sync blocks (or 4 sync block groups), then the relative power difference ⁇ 0, -9dB, -13dB, OFF ⁇ can be expressed by ⁇ 00, 01, 10, 11 ⁇ , where OFF is Indicates that this sync block has no actual transmission or no RSRP measurement or no random access detection.
  • the terminal knows through the configuration calculation that the selected sync block transmit power is PREF+di. If the PREF is predefined by the system, there is no need to notify in the system message. In other embodiments, after receiving the terminal, the PREF and the difference corresponding to the selected sync block are added to obtain the selected transmit power value of the sync block.
  • Each of the above-mentioned synchronization block groups includes one or more synchronization blocks transmitted by the same transmission receiving node and having the same transmission power among the plurality of synchronization blocks, and the transmission powers of the synchronization blocks transmitted by the same transmission receiving node are the same.
  • the identifier of the transmission receiving node may be directly used as the identifier of the synchronization block grouping, and the transmission power values of the synchronization block group may also be arranged in the order of the order, such as according to the size of the transmission receiving node identifier.
  • Each of the above-mentioned synchronization block groups includes one or more synchronization blocks having the same transmission power among the plurality of synchronization blocks, and the synchronization blocks having the same transmission power transmitted by the plurality of transmission and reception nodes are also used as one group, and one time Which sync blocks are included in the sync block grouping can be indicated to the terminal by other configuration information.
  • the transmit power information of the plurality of sync blocks includes:
  • Each of the synchronization block groups includes one or more synchronization blocks transmitted by the same transmission receiving node and having the same transmission power among the plurality of synchronization blocks, or one of the plurality of synchronization blocks having the same transmission power or Multiple sync blocks.
  • each sync block grouping may include one or more sync blocks of the plurality of sync blocks transmitted by the same transmission receiving node and having the same transmission power, which are transmitted for the same transmission receiving node.
  • the transmission power of the synchronization block is the same.
  • the identifier of the transmission and reception node can be directly used as the identifier of the synchronization block grouping, and the transmission power values of the synchronization block group can also be arranged according to the agreed order, such as receiving according to the transmission.
  • the size of the node identifiers is arranged in order.
  • Each of the synchronization block groups may also include one or more synchronization blocks having the same transmission power among the plurality of synchronization blocks.
  • the synchronization blocks having the same transmission power transmitted by the plurality of transmission and reception nodes are grouped as one group. Which sync blocks are included in a sync block group can be indicated to the terminal by other configuration information.
  • the transmit power of the sync block grouping is represented by the difference or difference index of the reference transmit power of the relative cell sync block, the reference transmit power is notified in the system message, but if the reference transmit power is predefined by the system, no system message is required. In the notice.
  • the transmit power information of the plurality of sync blocks includes:
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each sync block in a sync block group relative to the reference transmit power
  • the one synchronization block grouping is one of a plurality of synchronization block groups obtained by dividing the plurality of synchronization blocks, and the number of synchronization blocks in the plurality of synchronization block groups is the same and sequentially arranged, and different synchronization block groups are grouped.
  • the sync blocks of the same internal position have the same transmit power.
  • the plurality of sync blocks are grouped into a plurality of sync block groups, and the number of sync blocks in the sync block group is the same, and the transmit powers of the plurality of sync blocks in one sync block group may be different, but
  • the power information of the different synchronization block groups is completely identical, that is, in the plurality of synchronization block groups, the transmission powers of the synchronization blocks having the same position in different synchronization block groups are the same.
  • the synchronization block period of the cell includes 16 synchronization blocks, which are grouped into 4 synchronization block groups according to the agreed order, and each group has 4 synchronization blocks.
  • the order of the agreement here may be time (refer to the transmission time of the synchronization block).
  • the transmission time of the synchronization block in the first synchronization block group is earlier than the transmission time of the synchronization block in the second synchronization block group, and the transmission time of the synchronization block in the second synchronization block group is earlier than the synchronization in the third synchronization block group
  • the transmission time of the block, the transmission time of the synchronization block in the third synchronization block group is earlier than the transmission time of the synchronization block in the fourth synchronization block group.
  • the order of the appointments can also be the order of frequency from low to high or high to low, or the order in which the sync block indices are from large to small or from small to large, and so on.
  • the transmit power information of the sync block in each sync block group may be different.
  • the relative power difference of the four sync blocks in the first group is ⁇ 0, -9dB, -13dB, OFF ⁇ , and the respective groups in the other groups
  • the power information of the four sync blocks is ⁇ 0, -9dB, -13dB, OFF ⁇ .
  • the size of the sync block index in the sync block group is sorted by time order or by frequency domain position, and the power information of other sync block groups need not be repeatedly configured. If the reference transmit power is predefined by the system, no notification is required in the system message.
  • the abscissa represents time (Time), P represents power (Power), and the ordinate represents frequency (Frequency); in one example, 16 sync blocks with indices of 1 to 16 are shared in one sync block period. The transmission needs to be performed, and the 16 synchronization blocks are sequentially transmitted in the order of index from small to large. As shown in FIG. 6, the 16 synchronization blocks are divided into 4 synchronization block groups (ie, the synchronization block group 1 in FIG.
  • Block group 2, sync block group 3 and sync block group 4), 4 sync blocks in each group are sorted in chronological order, and the sync blocks of the same position in the four sync block groups have the same transmission power, for example, the position of P1
  • the transmission powers of the four sync blocks indexed 1, 5, 9, and 13 are the same, the transmit powers of the sync blocks of the index 2, 6, 10, and 14 at the P2 position are the same, and so on.
  • 16 sync blocks having a total index of 1 to 16 in a sync block period need to be transmitted, and the 16 sync blocks are divided into 4 sync block groups (ie, the synchronization in FIG. 7).
  • Block group 1, sync block group 2, sync block group 3, and sync block group 4 4 sync blocks in the same group are transmitted at the same time (such as the same subframe) but the frequency domain positions are different, and the synchronization within the group Blocks are ordered from low to high according to the frequency of their frequency domain location.
  • the sync block in the sync block group 1 is transmitted first, then the sync block in the sync block group 2, and then the sync block in the sync block group 3, and the sync block in the sync block group 4 is finally transmitted.
  • the transmission powers of the synchronization blocks having the same position among the four synchronization block groups are the same.
  • the transmission powers of the four synchronization blocks whose indexes of the P1 position are 1, 5, 9, and 13 are the same, and the indexes of the P2 position are 2, 6,
  • the transmit power of the 10, 14 sync blocks is the same, and so on.
  • the embodiment further provides a transmitting power configuration device, as shown in FIG. 3, including:
  • the transmit power determining module 10 is configured to determine a transmit power of the sync block transmitted by the cell;
  • the transmit power configuration module 20 is configured to configure transmit power information of the synchronization block by using a system message of the cell, where the transmit power information of the synchronization block is included when the synchronization block period of the cell includes multiple synchronization blocks Transmit power information of the plurality of sync blocks is included.
  • the transmitting power configuration module configures the transmit power information of the synchronization block by using a system message of the cell, including: indicating the synchronization in a broadcast message or a remaining system message transmitted by the cell transmission receiving point.
  • the transmit power information of the block is configured to be used to configure the transmit power information of the synchronization block by using a system message of the cell, including: indicating the synchronization in a broadcast message or a remaining system message transmitted by the cell transmission receiving point. The transmit power information of the block.
  • the transmit power information of the multiple synchronization blocks may include:
  • each sync block group including one or more sync blocks of the plurality of sync blocks transmitted by the same transmission receiving node and having the same transmit power
  • each sync block group including one or more sync blocks having the same transmit power among the plurality of sync blocks;
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each of the plurality of sync blocks relative to the reference transmit power.
  • the transmit power information of the multiple synchronization blocks includes:
  • Each of the synchronization block groups includes one or more synchronization blocks transmitted by the same transmission receiving node and having the same transmission power among the plurality of synchronization blocks, or one of the plurality of synchronization blocks having the same transmission power or Multiple sync blocks.
  • the transmit power information of the multiple sync blocks includes:
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each sync block in a sync block group relative to the reference transmit power
  • the one synchronization block grouping is one of a plurality of synchronization block groups obtained by dividing the plurality of synchronization blocks, and the number of synchronization blocks in the plurality of synchronization block groups is the same and sequentially arranged, and different synchronization block groups are grouped.
  • the sync blocks of the same internal position have the same transmit power.
  • the transmission power configuration apparatus of this embodiment can be disposed in a base station as a central control node.
  • the modules included in the transmit power configuration apparatus can be used to implement any of the methods of the present embodiment.
  • the random access power control method described above is implemented in the form of a software function module, and is sold or used as an independent product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • One device base station or terminal, etc. is caused to perform all or part of the method described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment further provides a base station, including a memory, a processor, and a computer program stored on the memory and operable on the processor, where the processor implements the computer program Embodiments The processing in the transmit power configuration method.
  • the embodiment further provides a computer readable storage medium having stored thereon a computer program, which when executed by the processor, implements the processing in the transmit power configuration method of the present embodiment.
  • the transmit power information may be configured for multiple sync blocks of the cell, so that the terminal can learn the transmit power of the selected sync block for random access power control.
  • This embodiment provides a random access power control method, which can be applied to a 5G system but is not limited thereto. As shown in FIG. 4, the method in this embodiment includes:
  • Step 210 Receive a system message of a cell, where the system message carries the transmit power information of the synchronization block that is sent by the cell, where the transmit power of the synchronization block is when the synchronization block period of the cell includes multiple synchronization blocks.
  • the information includes transmission power information of the plurality of synchronization blocks;
  • the system message received by the terminal in this step is a system message sent by the cell control node of the first embodiment, and thus the system message therein also includes the broadcast message or the remaining system message transmitted by the cell TRP.
  • the transmission power information of the multiple synchronization blocks includes:
  • each sync block group including one or more sync blocks of the plurality of sync blocks transmitted by the same transmission receiving node and having the same transmit power
  • each sync block group including one or more sync blocks having the same transmit power among the plurality of sync blocks;
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each of the plurality of sync blocks relative to the reference transmit power.
  • Step 220 After selecting the synchronization block, acquire the transmit power of the selected synchronization block from the system message, and determine the transmit power of the random access signal according to the acquired transmit power.
  • the same logical cell identifier is provided, and the transmit power information of the sync block sent by the multiple TRPs belongs to system messages under the same cell identifier, such as a broadcast message and a remaining system message.
  • the system message also includes a logical cell identifier, index information of a synchronization block transmitted by the cell, and the like.
  • the terminal may acquire the transmit power information of the sync block transmitted by the cell, and may also obtain information such as the identifier of the TRP.
  • the terminal may calculate the corresponding path loss value according to the power information of the selected synchronization block, thereby further determining the transmission power of the random access signal (the random access preamble in 5G).
  • the terminal may select, from the plurality of downlink receiving synchronization blocks, the synchronization block that is optimal or exceeds the corresponding threshold according to the measured RSRP comparison.
  • the transmission power information of the multiple synchronization blocks includes:
  • Each of the synchronization block groups includes one or more synchronization blocks transmitted by the same transmission receiving node and having the same transmission power among the plurality of synchronization blocks, or one of the plurality of synchronization blocks having the same transmission power or Multiple sync blocks.
  • the transmit power information of the multiple sync blocks includes:
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each sync block in a sync block group relative to the reference transmit power
  • the one synchronization block grouping is one of a plurality of synchronization block groups obtained by dividing the plurality of synchronization blocks, and the number of synchronization blocks in the plurality of synchronization block groups is the same and sequentially arranged, and different synchronization block groups are grouped.
  • the sync blocks of the same internal position have the same transmit power.
  • the embodiment further provides a random access power control device, as shown in FIG. 5, including:
  • the message receiving module 50 is configured to receive a system message of a cell, where the system message carries the transmit power information of the synchronization block transmitted by the cell, where the synchronization is performed when the synchronization block period of the cell includes multiple synchronization blocks.
  • the transmit power information of the block includes transmit power information of the plurality of sync blocks;
  • the power determining module 60 is configured to: after selecting a synchronization block, acquire a transmit power of the selected sync block from the system message, and determine a transmit power of the random access signal according to the acquired transmit power.
  • the system message of the cell received by the message receiving module includes a broadcast message or a remaining system message transmitted by the cell transmission receiving point.
  • the transmit power information of the multiple synchronization blocks may include:
  • each sync block group including one or more sync blocks of the plurality of sync blocks transmitted by the same transmission receiving node and having the same transmit power
  • each sync block group including one or more sync blocks having the same transmit power among the plurality of sync blocks;
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each of the plurality of sync blocks relative to the reference transmit power.
  • the transmit power information of the multiple synchronization blocks includes:
  • Each of the synchronization block groups includes one or more synchronization blocks transmitted by the same transmission receiving node and having the same transmission power among the plurality of synchronization blocks, or one of the plurality of synchronization blocks having the same transmission power or Multiple sync blocks.
  • the transmit power information of the multiple sync blocks includes:
  • a reference transmit power of the cell sync block a difference or difference index of a transmit power of each sync block in a sync block group relative to the reference transmit power
  • the one synchronization block grouping is one of a plurality of synchronization block groups obtained by dividing the plurality of synchronization blocks, and the number of synchronization blocks in the plurality of synchronization block groups is the same and sequentially arranged, and different synchronization block groups are grouped.
  • the sync blocks of the same internal position have the same transmit power.
  • the random access power control apparatus of this embodiment may be disposed in the terminal.
  • the modules included in the random access power control device can be used to implement any of the processes of the method of the present embodiment.
  • the random access power control method described above is implemented in the form of a software function module, and is sold or used as an independent product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • One device (which may be a base station or terminal, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment further provides a terminal, including a memory, a processor, and a computer program stored on the memory and operable on the processor, where the processor executes the computer program as described above The processing of the random access power control method.
  • the embodiment further provides a computer readable storage medium having stored thereon a computer program that, when executed by the processor, implements the processing of the random access power control method as described above.
  • the system message of the solution in this embodiment carries the transmit power information of the sync block configuration transmitted by the cell, and the terminal can obtain the transmit power of the selected sync block, thereby effectively improving the accuracy of the path loss estimation, and effectively improving the path loss based on the path loss.
  • the calculated accuracy of the random access signal transmission power estimation can improve the random access detection probability and reduce the access delay.
  • FIG. 8 is a schematic diagram of a hardware entity of a device (such as a base station or a terminal) according to an embodiment of the present invention.
  • the hardware entity of the device 800 includes: a processor 801, a communication interface 802, and a memory. 803, where
  • Processor 801 typically controls the overall operation of device 800.
  • Communication interface 802 can enable devices to communicate with other terminals or servers over a network.
  • the memory 803 is configured to store instructions and applications executable by the processor 801, and may also cache data to be processed or processed by the processor 801 and each module in the device 800, and may be flash memory (FLASH) or random access memory (Random Access). Memory, RAM) implementation.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units; they may be located in one place or distributed on multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit;
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer readable storage medium, and when executed, the program includes The foregoing steps of the method embodiment; and the foregoing storage medium includes: a removable storage device, a read only memory (ROM), a magnetic disk, or an optical disk, and the like, which can store program codes.
  • ROM read only memory
  • the above-described integrated unit of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • One device (which may be a base station or terminal, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a ROM, a magnetic disk, or an optical disk.
  • the transmit power of the sync block transmitted by the cell is determined; the transmit power information of the sync block is configured by using the system message of the cell, where the sync block period of the cell includes multiple sync blocks,
  • the transmit power information of the sync block includes transmit power information of the multiple sync blocks; thus, the transmit power information can be configured for multiple sync blocks of the cell, and the terminal can learn the transmit power of the selected sync block for random use. Access power control.

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Abstract

本发明实施例提供一种发射功率配置、随机接入功率控制方法、装置和设备、存储介质，通过所述小区的系统消息配置所述同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息。接收到所述小区的系统消息并选择一同步块后，从所述系统消息获取所述选择的同步块的发射功率，并根据获取的发射功率确定随机接入信号的发射功率。

Description

一种发射功率配置、随机接入功率控制方法、装置和设备
相关申请的交叉引用
本申请基于申请号为201710687753.8、申请日为2017年08月11日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以全文引入的方式引入本申请。
本申请还基于申请号为201710807108.5、申请日为2017年09月08日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以全文引入的方式引入本申请。
技术领域
本发明涉及通信领域，更具体地，涉及一种发射功率配置、随机接入功率控制方法、装置和设备。
背景技术
随着无线通信技术的发展和用户对通信需求的日益增加，为了满足更高、更快和更新的通信需要，第五代移动通信(5th Generation，5G)技术已成为未来网络发展的趋势。
5G通信系统被认为是在更高更宽的频带(例如3GHz以上)中实施，以便完成更高的数据速率。高频通信的特点在于具有比较严重的路损、穿透损耗，在空间传播与大气关系密切。由于高频信号的波长极短，可以应用大量小型天线阵，以使得波束成形技术能够获得更为精确的波束方向，以窄波束技术优势提高高频信号的覆盖能力，弥补传输损耗，是高频通信的一大特点。
传统的长期演进(Long Term Evolution，LTE)系统中，LTE随机接入 前导发送的功率是通过开环功率控制确定的，在确定开环发射功率时，需要知道每个小区的公共参考信号的发射功率，从而结合接收到的公共参考信号的参考信号接收功率(Reference Signal Receiving Power，RSRP)，得到小区基站到终端之间的路损值。再根据路损值和其他一些参数，比如基站接收随机接入信号的能量的最低需求等来确定终端的前导发射功率。
5G使用的新无线接入(New Radio，NR)技术的随机接入发射功率也是采用开环功率控制的方法确定，但NR没有公共参考信号，所以在初始接入阶段可以用来测量的下行信号优选同步信号块(Synchronization Signal Block，SSB或SS同步块)，每个同步块代表不同的下行波束方向，而下行波束可能来自于异构网络中不同的传输接收点(Transmission Reception Point，TRP)，不同同步块的发射功率可能不同，如果只按照某一种发射功率计算路损值并进一步计算随机接入，会导致计算出来的路损值有较大误差，从而影响系统的接入成功率和接入延迟。
发明内容
有鉴于此，本发明实施例提供了一种发射功率配置方法，包括：
确定小区发射的同步块的发射功率；
通过所述小区的系统消息配置所述同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息。
有鉴于此，本发明实施例还提供了一种发射功率配置装置，包括：
发射功率确定模块，配置为确定小区发射的同步块的发射功率；
发射功率配置模块，配置为通过所述小区的系统消息配置所述同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息。
有鉴于此，本发明实施例还提供了一种基站，包括存储器、处理器及 存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现如上所述的发射功率配置方法的处理。
有鉴于此，本发明实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，其中，所述计算机程序被处理器执行时实现如上所述的发射功率配置方法的处理。
上述实施例方案可以为小区的多个同步块配置发射功率信息，从而使得终端可以获知其选择的同步块的发射功率，配置为随机接入功率控制。
有鉴于此，本发明实施例提供了一种随机接入功率控制方法，包括：
接收小区的系统消息，所述系统消息携带所述小区发射的同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息；
选择一同步块后，从所述系统消息获取所述选择的同步块的发射功率，并根据获取的发射功率确定随机接入信号的发射功率。
有鉴于此，本发明实施例还提供了一种随机接入功率控制装置，包括：
消息接收模块，配置为接收小区的系统消息，所述系统消息携带所述小区发射的同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息；
功率确定模块，配置为在选择一同步块后，从所述系统消息获取所述选择的同步块的发射功率，并根据获取的发射功率确定随机接入信号的发射功率。
有鉴于此，本发明实施例还提供了一种终端，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现如上所述的随机接入功率控制方法的处理。
有鉴于此，本发明实施例还提供了一种计算机可读存储介质，其上存 储有计算机程序，所述计算机程序被处理器执行时实现如上所述的随机接入功率控制方法的处理。
上述实施例方案可以获取终端选择的同步块的发射功率，有效提高随机接入信号发射功率估计的准确度。
附图说明
图1是5G中小区的传输接收点发射同步块的示意图；
图2是本发明实施例一发射功率配置方法的流程图；
图3是本发明实施例一发射功率配置装置的模块图；
图4是本发明实施例二随机接入功率控制方法的流程图；
图5是本发明实施例二随机接入功率控制装置的模块图；
图6是本发明实施例一同步编组的一个示例的示意图；
图7是本发明实施例一同步编组的另一示例的示意图；
图8为本发明实施例中设备的一种硬件实体示意图。
具体实施方式
5G使用的NR技术的随机接入发射功率也是采用开环功率控制的方法确定，同样需要先确定路损值才能计算发射功率，但NR的路损值计算与LTE比区别很大，NR没有公共参考信号，所以在初始接入阶段可以用来测量的下行信号优选SSB同步块，每个同步块代表不同的下行波束方向，而下行波束可能来自于异构网络中不同的TRP，由于同一个小区下TRP属性有区别，有的是宏基站，有的是小基站(Small cell)，有的是Pico基站(一种微微基站)或者家庭基站，它们的发射功率等级不一样，按照常规方案，终端测量出来的同步块的RSRP，由于发射不同的同步块的功率可能不同，如图1所示，第一同步块SSB1和第二同步块SSB2由第一传输接收点TRP1发送，第三同步块SSB3由第二传输接收点TRP2发送，第四同步块SSB4 由第三传输接收点TRP3发送，TRP1、TRP2、TRP3可能使用不同的发射功率。如果只按照某一种TRP的发射功率计算，会导致计算出来的路损值有较大误差，从而影响系统的接入成功率和接入延迟。
为使本发明的目的、技术方案和优点更加清楚明白，下文中将结合附图对本发明的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
实施例一
本实施例提供一种发射功率配置方法，可以应用于5G系统但不局限于此。如图2所示，本实施例方法包括：
步骤110，确定小区发射的同步块的发射功率；
在5G系统中，同一小区可能有多种类型的TRP，如宏基站、小基站、Pico基站或者家庭基站等，这些TRP具有数据的传输功能。通常，小区有一个中心控制节点，例如小区的宏基站，来负责资源调度和控制功能。小区发射的同步块的发射功率可以由该中心控制节点来确定和配置。同步块的发射功率可以根据发射同步块的TRP的类型来确定。本实施例中，同一TRP可以发射一个同步块，也可以发射多个同步块，发射多个同步块时这些同步块的发射功率是相同的，但本申请也不排除一个TRP发射具有不同发射功率的同步块的情况。
步骤120，通过所述小区的系统消息配置所述同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息。
本实施例通过在所述小区传输接收点发射的广播消息指示所述同步块的发射功率信息，来为终端如UE配置所述同步块的发射功率信息，所述发射功率信息可以作为随机接入配置信息的一部分，也可以作为单独的配置信息。在一些系统中，广播消息就是利用同步块中的资源来承载的。在其 他实施例中，也可以在所述小区传输接收点发射的剩余系统消息(Remaining System Information，RMSI)中指示所述同步块的发射功率信息。需要注意的是，不是小区的所有传输接收点都一直在发射广播消息，也可能有些在发射，有些已经关掉了(POWER OFF)。本实施例中，小区不同TRP发送的广播消息是相同的，终端接收到一个TRP发送的广播消息之后，不仅可以获取到本TRP发射的同步块的发射功率信息，还可以获取到小区其他TRP发射的同步块的发射功率信息。
本实施例中，同步块按周期发射，小区的同步块周期(block period)指小区同步块的发射周期，可以由系统预定义或者通过信令配置，例如为20毫秒(ms)或40ms等。同步块周期内可以包括一个或多个同步块，这些同步块的时域和频域位置也可以事先约定或由基站配置给终端。同步块周期内的同步块可以表示为同步突发集合，同步突发集合包括该小区发射的一个或多个同步突发，一个同步突发包括在一个子帧或一个时隙上的一个或多个同步块。因而同步突发集合包括了在一段时间内发送的一个或多个同步块。同步突发集合中同步块周期性发送，一个同步突发集合中同步块的数量和位置可以由系统预定义或者通过信令配置。
本实施例中，由于同步块可能隶属于不同的TRP发射，且发射功率有差别，所以小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息，也即需要在系统消息中将小区发射的所有同步块的发射功率信息指示给终端，这些同步块的发射功率可以相同、部分相同，也可以不同。这就意味着，如果小区发射的多个同步块的发射功率不同，同步块的发射功率信息需要配置多个，最多可以为每个同步块都配置一个发射功率信息。
在其他的实施例中，当一个同步块周期内包括多个同步块时，所述多个同步块的发射功率信息可以包括：
所述多个同步块的发射功率信息包括：
所述多个同步块中每一同步块或每一同步块编组的发射功率值；或者
所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
其中，每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
如果采用所述多个同步块中每一同步块的发射功率值的表示方式，多个同步块的发射功率值可以按照约定的顺序排列，例如可以按照同步块的索引(或标识)从大到小(或从小到大)的顺序排列。同步块的索引如可以是同步块在同步块周期内包括的多个同步块组成的同步块集合中的索引，如同步突发集合中的索引，如果一个传输接收节点只发射一个同步块，那么也可以将传输接收节点的索引作为其发射的同步块的索引。终端根据约定的顺序就可以确定发射功率值对应的同步块。
在一个示例中，当一个同步块周期内包括多个同步块时，所述多个同步块的发射功率信息包括：
所述多个同步块中每一同步块的发射功率值；或者
所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的发射功率相对所述参考发射功率的差值或差值索引。
如果采用所述多个同步块中每一同步块的发射功率值的表示方式，多个同步块的发射功率值可以按照约定的顺序排列，例如可以按照同步块的 索引(或标识)从大到小(或从小到大)的顺序排列。同步块的索引如可以是同步块在同步块周期内包括的多个同步块组成的同步块集合中的索引，如同步突发集合中的索引，如果一个传输接收节点只发射一个同步块，那么也可以将传输接收节点的索引作为其发射的同步块的索引。终端根据约定的顺序就可以确定发射功率值对应的同步块。
上述采用差值或差值索引的表示方式中，系统配置有小区同步块的参考发射功率，在系统消息中指示的是小区发射的同步块的发射功率相对于该参考发射功率的差值。比如参考功率为P＝43dBm，这是小区宏基站的发射功率，则宏基站相对于参考发射功率的差值为0dB。微小区的发射功率为24dBm，则相对于参考功率的差值为-9dB，家庭基站的发射功率为20dBm，则相对于参考功率的差值为-13dB。差值可以以绝对量的方式在系统消息中配置，但为了节省信令开销，考虑到差值的枚举是有限的，所以可以将差值进行索引，抽象为有限的比特来表达，假定小区的同步块周期内包括4个同步块(或4个同步块编组)，则可以用{00，01，10，11}表示相对功率差{0，-9dB，-13dB，OFF}，其中OFF是表示这个同步块没有实际发射或者不用做RSRP测量或者不用做随机接入前的检测。此时，基站需要在系统消息中配置参考发射功率PREF，Offset＝[d1,d2,…,dL],di＝{0，-9dB，-13dB，OFF}，di可以按照同步块索引的大小排序。终端通过配置计算知道选择的同步块发射功率为PREF+di。如果PREF是系统预定义的，则不需要在系统消息中通知。在其他的实施例中，终端收到后，将PREF和选择的同步块对应的差值相加，即可得知选择的该同步块的发射功率值。
上述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，是针对同一传输接收节点发射的同步块的发射功率均相同的情况，在这种情况下，可以直接将传输接收节点的标识作为同步块编组的标识，同步块编组的发射功率值也可以按照约定 的顺序排列如按照传输接收节点标识的大小顺序排列。上述每一同步块编组包括所述多个同步块中发射功率相同的一个或多个同步块，则是将多个传输接收节点发射的具有相同发射功率的同步块也作为一个编组，此时一个同步块编组中包括哪些同步块可以通过其他的配置信息指示给终端。
在另一个示例中，当一个同步块周期内包括多个同步块时，所述多个同步块的发射功率信息包括：
每一同步块编组的发射功率值；或者
每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
对所述多个同步块编组时，每一同步块编组可以包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，这是针对同一传输接收节点发射的同步块的发射功率均相同的情况，在这种情况下，可以直接将传输接收节点的标识作为同步块编组的标识，同步块编组的发射功率值也可以按照约定的顺序排列如按照传输接收节点标识的大小顺序排列。每一同步块编组也可以包括所述多个同步块中发射功率相同的一个或多个同步块，此时是将多个传输接收节点发射的具有相同发射功率的同步块作为一个编组，此时一个同步块编组中包括哪些同步块可以通过其他的配置信息指示给终端。同步块编组的发射功率采用相对小区同步块的参考发射功率的差值或差值索引表示时，参考发射功率在系统消息中通知，但如果参考发射功率是系统预定义的，不需要在系统消息中通知。
在又一示例中，当一个同步块周期内包括多个同步块时，所述多个同步块的发射功率信息包括：
一个同步块编组内每一同步块的发射功率值；或者
一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
本示例中，将所述多个同步块编为多个同步块编组，这些同步块编组内的同步块数量均相同，一个同步编块组内的多个同步块的发射功率可以不相同，但不同同步块编组的功率信息完全一致，也即所述多个同步块编组中，不同同步块编组内位置相同的同步块的发射功率相同。比如小区的同步块周期内包括16个同步块，按照约定的顺序编为4个同步块编组，每组4个同步块，这里约定的顺序可以是时间(指同步块的发射时间)先后顺序，使第一个同步块编组内同步块的发射时间早于第二个同步块编组内同步块的发射时间，第二个同步块编组内同步块的发射时间早于第三个同步块编组内同步块的发射时间，第三个同步块编组内同步块的发射时间早于第四个同步块编组内同步块的发射时间。约定的顺序也可以是频率从低到高或从高到低的顺序，或者是同步块索引从大到小或从小到大的顺序，等等。每一个同步块编组内的同步块的发射功率信息可以不一样，比如第一组内的4个同步块相对功率差为{0，-9dB，-13dB，OFF}，而其他组内的各自的4个同步块的功率信息都是{0，-9dB，-13dB，OFF}。基站需要在系统消息中配置其中一个同步块编组的参考发射功率P REF， Offset＝[d1,d2,…,d L],其中di＝{0，-9dB，-13dB，OFF},di可以按照同步块编组内同步块索引的大小排序或者按照时间先后排序或者按照频域位置排序等，且无需重复配置其他同步块编组的功率信息。如果参考发射功率是系统预定义的，不需要在系统消息中通知。
如图6所示，横坐标表示时间(Time)，P表示功率(Power)，纵坐标表示频率(Frequency)；在一个示例中，一个同步块周期内共有索引为1～16的16个同步块需要发射，且该16个同步块是按照索引从小到大的顺序依次发射，如图6所示，该16个同步块分为4个同步块编组(即图6中的同步块组1、同步块组2、同步块组3和同步块组4)，每组内的4个同步块按照时间先后排序，该4个同步块组中位置相同的同步块的发射功率相同，例如，P1位置的索引为1、5、9、13的4个同步块的发射功率相同，P2位置的索引为2、6、10、14的个同步块的发射功率相同，依此类推。
如图7所示，在另一示例中，一个同步块周期内共有索引为1～16的16个同步块需要发射，该16个同步块分为4个同步块编组(即图7中的同步块组1、同步块组2、同步块组3和同步块组4)，同一组内的4个同步块在相同的时间(如相同子帧)上发射但是频域位置不同，组内的同步块按照其所在频域位置的频率从低到高排序。在时间上，同步块组1内的同步块最先发射，然后是同步块组2内的同步块，再后是同步块组3内的同步块，同步块组4内的同步块最后发射。该4个同步块组中位置相同的同步块的发射功率相同，例如，P1位置的索引为1、5、9、13的4个同步块的发射功率相同，P2位置的索引为2、6、10、14的个同步块的发射功率相同，依此类推。
本实施例还提供了一种发射功率配置装置，如图3所示，包括：
发射功率确定模块10，配置为确定小区发射的同步块的发射功率；
发射功率配置模块20，配置为通过所述小区的系统消息配置所述同步 块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息。
本实施例中，所述发射功率配置模块通过所述小区的系统消息配置所述同步块的发射功率信息，包括：在所述小区传输接收点发射的广播消息或剩余系统消息中指示所述同步块的发射功率信息。
本实施例中，所述多个同步块的发射功率信息可以包括：
所述多个同步块中每一同步块的发射功率值；或者
一个或多个同步块编组的发射功率值，每一个同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块；或者
一个或多个同步块编组的发射功率值，每一个同步块编组包括所述多个同步块中发射功率相同的一个或多个同步块；或者
所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一种同步块的发射功率相对所述参考发射功率的差值或差值索引。
本实施例中，所述多个同步块的发射功率信息包括：
所述多个同步块中每一同步块的发射功率值；或者
所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的发射功率相对所述参考发射功率的差值或差值索引；或者
每一同步块编组的发射功率值；或者
每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
在另一实施例中，所述多个同步块的发射功率信息包括：
一个同步块编组内每一同步块的发射功率值；或者
一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
本实施例的发射功率配置装置可设置在作为中心控制节点的基站中。发射功率配置装置包含的模块可以用于实现本实施例方法的任何处理。
需要说明的是，本发明实施例中，如果以软件功能模块的形式实现上述的随机接入功率控制方法，并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台设备(基站或终端等)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read Only Memory，ROM)、磁碟或者光盘等各种可以存储程序代码的介质。这样，本发明实施例不限制于任何特定的硬件和软件结合。
对应地，本实施例还提供了一种基站，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现本实施例发射功率配置方法中的处理。
本实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现本实施例发射功率配置方法中的处理。
以上存储介质和设备实施例的描述，与上述方法实施例的描述是类似的，具有同方法实施例相似的有益效果。对于本发明存储介质和设备实施例中未披露的技术细节，请参照本发明方法实施例的描述而理解。
本实施例可以为小区的多个同步块配置发射功率信息，从而使得终端可以获知其选择的同步块的发射功率，用于随机接入功率控制。
实施例二
本实施例提供一种随机接入功率控制方法，可以应用于5G系统但不局限于此。如图4所示，本实施例方法包括：
步骤210，接收小区的系统消息，所述系统消息携带所述小区发射的同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息；
本步骤终端接收的系统消息是实施例一小区心控制节点发送的系统消息，因而其中的系统消息也包括所述小区TRP发射的广播消息或剩余系统消息。
本实施例中，所述小区的同步块周期内包括多个同步块时，所述多个同步块的发射功率信息包括：
所述多个同步块中每一同步块的发射功率值；或者
一个或多个同步块编组的发射功率值，每一个同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步 块；或者
一个或多个同步块编组的发射功率值，每一个同步块编组包括所述多个同步块中发射功率相同的一个或多个同步块；或者
所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一种同步块的发射功率相对所述参考发射功率的差值或差值索引。
步骤220，选择同步块后，从所述系统消息获取所述选择的同步块的发射功率，并根据获取的发射功率确定随机接入信号的发射功率。
多个TRP属于同一个小区时，具备同样的逻辑小区标识，所述多个TRP发送的同步块的发射功率信息归属于同一个小区标识下的系统消息，如广播消息、剩余系统消息。系统消息中还包括逻辑小区标识、小区发射的同步块的索引信息等。本实施例中，终端接收到小区TRP发送的广播消息(或剩余系统消息)后，可以获取小区发射的同步块的发射功率信息，还可以获取TRP的标识等信息。
终端根据测量的RSRP选择同步块后，就可以根据选择的同步块的功率信息来计算相应路损值，从而进一步确定随机接入信号(5G中是随机接入前导)的发射功率。终端可以从多个下行接收同步块中根据测量的RSRP比较，选择最优或者超过相应门限的同步块。
本实施例中，所述小区的同步块周期内包括多个同步块时，所述多个同步块的发射功率信息包括：
所述多个同步块中每一同步块的发射功率值；或者
所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的 发射功率相对所述参考发射功率的差值或差值索引；或者
每一同步块编组的发射功率值；或者
每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
在另一实施例中，所述多个同步块的发射功率信息包括：
一个同步块编组内每一同步块的发射功率值；或者
一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
本实施例还提供了一种随机接入功率控制装置，如图5所示，包括：
消息接收模块50，配置为接收小区的系统消息，所述系统消息携带所述小区发射的同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息；
功率确定模块60，配置为在选择一同步块后，从所述系统消息获取所述选择的同步块的发射功率，并根据获取的发射功率确定随机接入信号的 发射功率。
本实施例中，所述消息接收模块接收的所述小区的系统消息包括所述小区传输接收点发射的广播消息或剩余系统消息。
本实施例中，所述多个同步块的发射功率信息可以包括：
所述多个同步块中每一同步块的发射功率值；或者
一个或多个同步块编组的发射功率值，每一个同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块；或者
一个或多个同步块编组的发射功率值，每一个同步块编组包括所述多个同步块中发射功率相同的一个或多个同步块；或者
所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一种同步块的发射功率相对所述参考发射功率的差值或差值索引。
本实施例中，所述多个同步块的发射功率信息包括：
所述多个同步块中每一同步块的发射功率值；或者
所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的发射功率相对所述参考发射功率的差值或差值索引；或者
每一同步块编组的发射功率值；或者
每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
在另一实施例中，所述多个同步块的发射功率信息包括：
一个同步块编组内每一同步块的发射功率值；或者
一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
本实施例的随机接入功率控制装置可设置在终端中。随机接入功率控制装置包含的模块可以用于实现本实施例方法的任何处理。
需要说明的是，本发明实施例中，如果以软件功能模块的形式实现上述的随机接入功率控制方法，并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台设备(可以是基站或终端等)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read Only Memory，ROM)、磁碟或者光盘等各种可以存储程序代码的介质。这样，本发明实施例不限制于任何特定的硬件和软件结合。
对应地，本实施例还提供了一种终端，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所 述计算机程序时实现如上所述的随机接入功率控制方法的处理。
本实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如上所述的随机接入功率控制方法的处理。
以上存储介质和设备实施例的描述，与上述方法实施例的描述是类似的，具有同方法实施例相似的有益效果。对于本发明存储介质和设备实施例中未披露的技术细节，请参照本发明方法实施例的描述而理解。
本实施例方案的系统消息中携带小区发射的同步块配置的发射功率信息，终端可以获取其选择的同步块的发射功率，有效提高对路损估计的准确度，也就有效提高了基于路损计算的随机接入信号发射功率估计的准确度，从而可以提高随机接入检测概率和降低接入延时。
需要说明的是，图8为本发明实施例中设备(例如基站或终端)的一种硬件实体示意图，如图8所示，该设备800的硬件实体包括：处理器801、通信接口802和存储器803，其中
处理器801通常控制设备800的总体操作。
通信接口802可以使设备通过网络与其他终端或服务器通信。
存储器803配置为存储由处理器801可执行的指令和应用，还可以缓存待处理器801以及设备800中各模块待处理或已经处理的数据，可以通过闪存(FLASH)或随机访问存储器(Random Access Memory，RAM)实现。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本发明的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。应理解，在本发明的各种实施例 中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述单元的划分，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，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元；既可以位于一个地方，也可以分布到多个网络单元上；可以根据实际的需要选择其中的部分或全部单元来实现本实施例方案的目的。
另外，在本发明各实施例中的各功能单元可以全部集成在一个处理单元中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步 骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、只读存储器(Read Only Memory，ROM)、磁碟或者光盘等各种可以存储程序代码的介质。
或者，本发明上述集成的单元如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台设备(可以是基站或终端等)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括：移动存储设备、ROM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。
工业实用性
本发明实施例中，确定小区发射的同步块的发射功率；通过所述小区的系统消息配置所述同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息；如此，能够为小区的多个同步块配置发射功率信息，终端可以获知其选择的同步块的发射功率，用于随机接入功率控制。

Claims (24)

  1. 一种发射功率配置方法，包括：
    确定小区发射的同步块的发射功率；
    通过所述小区的系统消息配置所述同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息。
  2. 如权利要求1所述的方法，其中：
    通过所述小区的系统消息配置所述同步块的发射功率信息，包括：
    在所述小区传输接收点发射的广播消息或剩余系统消息中指示所述同步块的发射功率信息。
  3. 如权利要求1或2所述的方法，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块或每一同步块编组的发射功率值；或者
    所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  4. 如权利要求1或2所述的方法，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块的发射功率值；或者
    所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的发射功率相对所述参考发射功率的差值或差值索引；或者
    每一同步块编组的发射功率值；或者
    每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，所述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  5. 如权利要求1或2所述的方法，其中：
    所述多个同步块的发射功率信息包括：
    一个同步块编组内每一同步块的发射功率值；或者
    一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
    其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
  6. 一种发射功率配置装置，其中，包括：
    发射功率确定模块，配置为确定小区发射的同步块的发射功率；
    发射功率配置模块，配置为通过所述小区的系统消息配置所述同步 块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息。
  7. 如权利要求6所述的装置，其中：
    所述发射功率配置模块通过所述小区的系统消息配置所述同步块的发射功率信息，包括：在所述小区传输接收点发射的广播消息或剩余系统消息中指示所述同步块的发射功率信息。
  8. 如权利要求6或7所述的装置，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块或每一同步块编组的发射功率值；或者
    所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  9. 如权利要求6或7所述的装置，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块的发射功率值；或者
    所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的发射功率相对所述参考发射功率的差值或差值索引；或者
    每一同步块编组的发射功率值；或者
    每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，所述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  10. 如权利要求6或7所述的装置，其中：
    所述多个同步块的发射功率信息包括：
    一个同步块编组内每一同步块的发射功率值；或者
    一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
    其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
  11. 一种基站，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现如权利要求1-5中任一项所述的方法的处理。
  12. 一种计算机可读存储介质，其上存储有计算机程序，其中，所述计算机程序被处理器执行时实现如权利要求1-5中任一项所述的方法的处理。
  13. 一种随机接入功率控制方法，包括：
    接收小区的系统消息，所述系统消息携带所述小区发射的同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息；
    选择同步块后，从所述系统消息获取所述选择的同步块的发射功率，并根据获取的发射功率确定随机接入信号的发射功率。
  14. 如权利要求13所述的方法，其中：
    所述小区的系统消息包括所述小区传输接收点发射的广播消息或剩余系统消息。
  15. 如权利要求13或14所述的方法，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块或每一同步块编组的发射功率值；或者
    所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  16. 如权利要求13或14所述的方法，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块的发射功率值；或者
    所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的发射功率相对所述参考发射功率的差值或差值索引；或者
    每一同步块编组的发射功率值；或者
    每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，所述每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  17. 如权利要求13或14所述的方法，其中：
    所述多个同步块的发射功率信息包括：
    一个同步块编组内每一同步块的发射功率值；或者
    一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
    其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
  18. 一种随机接入功率控制装置，其中，包括：
    消息接收模块，配置为接收小区的系统消息，所述系统消息携带所述小区发射的同步块的发射功率信息，其中，所述小区的同步块周期内包括多个同步块时，所述同步块的发射功率信息包括所述多个同步块的发射功率信息；
    功率确定模块，配置为在选择一同步块后，从所述系统消息获取所述选择的同步块的发射功率，并根据获取的发射功率确定随机接入信号的发射功率。
  19. 如权利要求18所述的装置，其中：
    所述消息接收模块接收的所述小区的系统消息包括所述小区传输接收点发射的广播消息或剩余系统消息。
  20. 如权利要求18或19所述的装置，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块或每一同步块编组的发射功率值；或者
    所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块或每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  21. 如权利要求18或19所述的装置，其中：
    所述多个同步块的发射功率信息包括：
    所述多个同步块中每一同步块的发射功率值；或者
    所述多个同步块中每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及所述多个同步块中每一同步块的发射功率相对所述参考发射功率的差值或差值索引；或者
    每一同步块编组的发射功率值；或者
    每一同步块编组的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及每一同步块编组的发射功率相对所述参考发射功率的差值或差值索引；
    其中，每一同步块编组包括所述多个同步块中由同一传输接收节点发射且发射功率相同的一个或多个同步块，或者包括所述多个同步块中发射功率相同的一个或多个同步块。
  22. 如权利要求18或19所述的装置，其中：
    所述多个同步块的发射功率信息包括：
    一个同步块编组内每一同步块的发射功率值；或者
    一个同步块编组内每一同步块的发射功率相对所述小区同步块的参考发射功率的差值或差值索引；或者
    所述小区同步块的参考发射功率，及一个同步块编组内每一同步块的发射功率相对所述参考发射功率的差值或差值索引；
    其中，所述一个同步块编组是对所述多个同步块划分得到的多个同步块编组中的一个，所述多个同步块编组内的同步块数量相同且按序排列、不同同步块编组内位置相同的同步块的发射功率相同。
  23. 一种终端，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现如权利要求13至17中任一项所述的方法的处理。
  24. 一种计算机可读存储介质，其上存储有计算机程序，其中，所述计算机程序被处理器执行时实现如权利要求13至17中任一项所述的方法的处理。
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