CN112514440B - Method and device for measuring reference signal strength indication - Google Patents

Method and device for measuring reference signal strength indication Download PDF

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CN112514440B
CN112514440B CN201880096002.1A CN201880096002A CN112514440B CN 112514440 B CN112514440 B CN 112514440B CN 201880096002 A CN201880096002 A CN 201880096002A CN 112514440 B CN112514440 B CN 112514440B
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rssi measurement
smtc window
time slots
cell
timing
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CN112514440A (en
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王雪松
黎超
魏璟鑫
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

In the application, when the RSSI of a certain cell needs to be measured, the timing reference of an SMTC window and the timing of RSSI measurement are considered when symbols participating in the RSSI measurement in the SMTC window are determined, so that the position of the symbols participating in the RSSI measurement in the SMTC window can be accurately determined, and the accuracy of RSSI measurement is improved.

Description

Method and device for measuring reference signal strength indication
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for measuring reference signal strength indication.
Background
In a new radio access technology (NR) communication system, a User Equipment (UE) needs to support mobility procedures such as cell selection, cell reselection, cell handover, etc. to implement mobility of the UE, and the UE needs to measure related parameters, such as: the UE needs to measure parameters in the mobility procedure including: synchronization signal-reference signal reception power (SS-RSRP), synchronization signal-signal to interference plus noise ratio (SS-SINR), channel state information reference signal reception power (CSI-RSRP), and channel state information signal to interference plus noise ratio (CSI-SINR). The SS-RSRQ is a ratio of signal power of a Synchronization Signal (SS) or a physical broadcast channel-demodulation reference signal (PBCH-DMRS) received by the UE from a certain cell to total received power in a given time-frequency range, and thus the SS-RSRQ reflects signal quality of the cell, where the total received power is measured by a Reference Signal Strength Indicator (RSSI), and how to measure the RSSI in the NR communication system is currently under discussion.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a method and an apparatus for measuring reference signal strength indication, so as to measure RSSI on a specified time domain resource.
In a first aspect, the present application provides a method for measuring a reference signal strength indicator, including:
the terminal equipment receives RSSI measurement configuration information, subcarrier interval SCS information of a synchronous signal block SSB and synchronous Signal Measurement Timing Configuration (SMTC) information from network equipment; the terminal equipment determines the time domain position of the SMTC window currently carrying out RSSI measurement according to the timing of the first cell and the SMTC information, the SMTC information is used for representing the configuration of the SMTC window currently carrying out RSSI measurement, and the SMTC information can comprise the period of the SMTC window, the length of the SMTC window and the offset of the SMTC window. The terminal equipment determines symbols participating in RSSI measurement according to the RSSI measurement configuration information, SCS information of the SSB, the timing of the second cell and the time domain position of the SMTC window; the symbols participating in the RSSI measurement are all covered by the SMTC window. The terminal device makes RSSI measurements on the determined symbols.
Wherein, the timing reference of the SMTC window is the first cell, which means that the first cell is a timing reference cell of the SMTC window, and the time slot boundary of the SMTC window takes the time slot boundary of the first cell as a reference; the timing reference of the SMTC window is that the second cell is a timing reference cell for RSSI measurement, and the time slot boundary for RSSI measurement is referenced to the time slot boundary of the second cell.
Wherein, the SCS information of the SSB indicates the subcarrier spacing used by the SSB, which is used to determine the slot length of the first cell and the second cell, for example: the subcarrier spacing is 30kHz and the slot length is 0.5 ms.
The RSSI measurement configuration information includes measurement slot information and end symbol information, the measurement slot information is used to indicate a position of a slot participating in RSSI measurement in the SMTC window, and the end symbol information is used to indicate a position of an Orthogonal Frequency Division Multiplexing (OFDM) symbol participating in RSSI measurement in the slot.
Wherein, the symbol/time slot is covered by the SMTC window, which indicates that the starting time of the symbol/time slot is not earlier than the starting time of the SMTC window, and the ending time is not later than the ending time of the SMTC window.
By implementing the embodiment of the invention, when the RSSI of a certain cell needs to be measured, the timing reference of the SMTC window and the timing of the RSSI measurement are considered when the symbols participating in the RSSI measurement in the SMTC window are determined, so that the position of the symbols participating in the RSSI measurement in the SMTC window can be accurately determined, and the accuracy of the RSSI measurement is improved.
In one possible design, there is a timing difference between the first cell and the second cell, i.e., the slot boundaries between the first cell and the second cell are not aligned, thereby resulting in the boundaries of the SMTC window and the slot boundaries of the second cell to be measured being not aligned.
In one possible design, determining symbols to participate in RSSI measurements includes:
the terminal equipment determines M effective time slots from N continuous time slots starting from the first time slot covered by the SMTC window according to the RSSI measurement configuration information, the timing of the second cell and the SCS information of the SSB; and the terminal equipment determines symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information. And the terminal equipment determines symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information. In summary, the terminal device uses N consecutive time slots starting from the time slot covered by the SMTC window as N time slots mapped by the bitmap, thereby ensuring that each bit in the bitmap can be mapped to 1 time slot, and the mapping relationship between the bitmap and the time slots in the SMTC window is clear.
In one possible design, the RSSI measurement configuration information includes a bitmap including N bits, the N bits are used to map N consecutive time slots, the length of the SMTC window is N time slots, and the last time slot of the N consecutive time slots is not covered by the SMTC window, that is, the last time slot of the N consecutive time slots overlaps the SMTC window. In this application, the overlap of a certain slot/symbol with the SMTC window means that the start time of the slot/symbol is no later than the end time of the SMTC window and the end time is no earlier than the start time of the SMTC window. In summary, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the preceding bits in the bitmap are mapped with the first time slots covered by the SMTC window, the mapping relationship between the measured time slot information and the time slots in the SMTC window is clear, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
In one possible design, the RSSI measurement configuration information includes a bitmap comprising N +1 bits, the first N bits of the N +1 bits are used to map N consecutive time slots, i.e., the first bit of the N +1 bits is discarded, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window. In summary, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the preceding bits in the bitmap are mapped with the plurality of slots covered by the SMTC window, which are based on the timing of the second cell and the start of the first slot of the SCS of the SSB, the mapping relationship between the measurement slot information and the slot in the SMTC window is clear, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
In one possible design, the RSSI measurement configuration information includes a bitmap, the bitmap includes N +1 bits, and the next N bits of the N +1 bits are used to map N consecutive time slots, i.e., the last bit of the N +1 bits is discarded, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window. In summary, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the following bits in the bitmap are mapped with the plurality of slots covered by the SMTC window, which are based on the timing of the second cell and the start of the first slot of the SCS of the SSB, the mapping relationship between the measurement slot information and the slot in the SMTC window is clear, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
In one possible design, the RSSI measurement configuration information includes a bitmap comprising N bits, the N bits being used to map N consecutive time slots, the length of the SMTC window being N +1 time slots, the N consecutive time slots each being covered by the SMTC window. When the timing reference of the SMTC window is different from the timing reference of RSSI measurement, the bit number of the bitmap is less than the number of time slots contained in the SMTC window, the bitmap is mapped with a plurality of time slots which are covered by the SMTC window and begin based on the timing of a second cell and the first time slot of the SCS of the SSB, the mapping relation between the measurement time slot information and the time slots in the SMTC window is clear, and the terminal equipment can accurately measure the RSSI on a specified time domain resource.
In one possible design, determining symbols to participate in RSSI measurements includes:
the terminal equipment determines M effective time slots in N continuous time slots starting from the first time slot overlapped with the SMTC window according to the RSSI measurement configuration information, the timing of the second cell and the SCS information of the SSB, wherein M and N are integers larger than 1, and M is less than or equal to N;
and the terminal equipment determines symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information. In this application, the overlap of a certain slot/symbol with the SMTC window means that the start time of the slot/symbol is no later than the end time of the SMTC window and the end time is no earlier than the start time of the SMTC window.
In one possible design, the RSSI measurement configuration information includes a bitmap comprising N bits, the N bits being used to map N consecutive time slots, the length of the SMTC window being N time slots, a first time slot of the N consecutive time slots not being covered by the SMTC window, i.e., the first time slot of the N consecutive time slots overlaps the SMTC window. In summary, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the bitmap and N consecutive time slots starting from the first time slot of the SCS information based on the timing of the second cell and the SSB, which overlap with the SMTC window, each bit in the bitmap can map a time slot in the SMTC window, the mapping relationship between the measurement time slot information and the time slot in the SMTC window is clear, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
In one possible design, the M active slots are indicated from the N consecutive slots by way of bitmap mapping. For example: when the value of the bit is 1, the time slot of the bit mapping is an effective time slot; when the value of a bit is 0, the slot of the bit map is not a valid slot.
In a second aspect, the present application provides a method for measuring RSSI, including:
The network equipment determines one or more of RSSI measurement configuration information, SCS information of SSB and SMTC information; wherein, the bit bitmap included in the RSSI measurement configuration information includes N bits, where N is the length of the STMC window/slot length-1, and the slot length is related to the SCS of the SSB; and the network equipment transmits one or more of the RSSI measurement configuration information, SCS information of the SSB and SMTC information to the terminal equipment. In summary, when the network device configures the bitmap included in the RSSI measurement configuration information, the number of bits of the bitmap is less than the number of timeslots included in the SMTC window, so that when the bitmap is mapped with the timeslots in the SMTC window, it can be ensured that each bit in the bitmap can be mapped to a complete timeslot, thereby ensuring that the mapping relationship between the bitmap and the timeslots in the SMTC window is clear.
In one possible design, the timing reference for the SMTC window is a first cell, the timing reference for RSSI measurements is a second cell, and there is a timing difference between the timing of the first cell and the timing of the second cell.
In another aspect, an embodiment of the present invention provides a device for measuring a reference signal strength indicator, where the device is used for a function of a network device behavior in the method. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above-described functions.
In one possible design, the network device includes a processor and a transmitter in the structure, and the processor is configured to support the network device to perform the corresponding functions in the above method. The transmitter is used for supporting communication between the network device and the terminal device and transmitting information or instructions related to the method to the terminal device. The network device may also include a memory, coupled to the processor, that retains program instructions and data necessary for the base station.
In another aspect, an embodiment of the present invention provides a device for measuring reference signal strength indication, where the device has a function of implementing a behavior of a terminal device in the above method design. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above-described functions. The modules may be software and/or hardware.
In one possible design, the terminal device includes a receiver and a processor, and the receiver is configured to support the terminal device to receive various instructions such as RSSI measurement configuration information, subcarrier spacing SCS information of the synchronization signal block SSB, and synchronization signal measurement timing configuration SMTC information sent by the network device. And the processor controls the terminal equipment to determine the time domain position of an SMTC window according to the timing of the first cell and the SMTC information, and determines a symbol participating in RSSI measurement according to the RSSI measurement configuration information, the SCS information of the SSB, the timing of the second cell and the time domain position of the SMTC window, and the RSSI measurement is carried out on the symbol determined to participate in RSSI measurement.
A further aspect of the present application provides a computer storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method as set forth in any one of the various possible implementations of the first aspect to the first aspect.
A further aspect of the present application provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method according to any of the various possible embodiments of the first aspect to the first aspect.
A further aspect of the present application provides a computer storage medium comprising instructions which, when run on a computer, cause the computer to perform the method according to any one of the various possible embodiments of the second to the second aspect.
A further aspect of the present application is a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method according to any one of the various possible embodiments of the second aspect to the second aspect.
Drawings
Fig. 1a is a schematic structural diagram of a communication system according to an embodiment of the present invention;
fig. 1b is a schematic distribution diagram of an SMTC window according to an embodiment of the present invention;
FIG. 1c is a schematic diagram of a distribution of another SMTC window provided by an embodiment of the present invention;
fig. 2 is a schematic flowchart of a method for measuring reference signal strength indicator according to an embodiment of the present invention;
fig. 3 is a mapping relationship diagram of measurement timeslot information and timeslots in an SMTC window according to an embodiment of the present invention;
fig. 4 is a diagram of a mapping relationship between measurement timeslot information and timeslots in an SMTC window according to another embodiment of the present invention;
fig. 5 is a diagram illustrating a mapping relationship between measurement timeslot information and timeslots within an SMTC window according to another embodiment of the present invention;
fig. 6 is a diagram of a mapping relationship between measurement timeslot information and timeslots in an SMTC window according to yet another embodiment of the present invention;
fig. 7 is a diagram illustrating a mapping relationship between measurement timeslot information and timeslots within an SMTC window according to yet another embodiment of the present invention;
FIG. 8 is a schematic diagram of an apparatus according to an embodiment of the present invention;
FIG. 8A is a schematic structural diagram of another apparatus provided in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another apparatus provided in the embodiment of the present invention.
Detailed Description
Fig. 1a is a schematic diagram of an architecture of a communication system according to an embodiment of the present invention, where the communication system includes a network device and a terminal device. Fig. 1a shows a network device and a terminal device communicating. The communication system may be a global system for mobile communication (GSM), a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) system, a Worldwide Interoperability for Microwave Access (WiMAX) system, a Long Term Evolution (LTE) system, a 5G communication system (e.g., a new radio, NR) system, a communication system in which a plurality of communication technologies are merged (e.g., a communication system in which an LTE technology and an NR technology are merged), or a communication system in which a subsequent evolution is performed, the forms and numbers of the base stations and the terminal devices shown in fig. 1a are only for example and do not constitute a limitation of the embodiments of the present invention.
The terminal equipment in the application is equipment with a wireless communication function, can be deployed on land and comprises an indoor or outdoor, a handheld, a wearable or a vehicle-mounted terminal; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal device may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned driving (self driving), a wireless terminal in telemedicine (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in home (smart home), and the like. The terminal device may also be a handheld device having wireless communication capabilities, a vehicle mounted device, a wearable device, a computing device or other processing device connected to a wireless modem, or the like. The terminal devices in different networks may be called different names, for example: terminal equipment, access terminal, subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent or user equipment, cellular telephone, cordless telephone, Session Initiation Protocol (SIP) phone, Wireless Local Loop (WLL) station, Personal Digital Assistant (PDA), terminal equipment in a 5G network or future evolution network, and the like.
The network device in this application may also be referred to as a base station device, and is a device deployed in a radio access network to provide a wireless communication function, including but not limited to: a base station (e.g., BTS (base transceiver station), a node B (NodeB, NB), an evolved node B (eNB or eNodeB), a transmission node or a transmission reception point (TRP or TP) or a next generation node B (gNB) in the NR system, a base station or a network device in a future communication network), a relay station, an access point, a vehicle-mounted device, a wearable device, a wireless fidelity (Wi-Fi) station, a wireless backhaul node, a small station, a micro station, and so on.
In the NR communication system, the time domain resource participating in the RSSI measurement is located in the SMTC window, and the time domain resource participating in the RSSI measurement is determined by RSSI measurement configuration information, which includes measurement time slot information (measurementSlot) and end symbol information (endSymbol).
Illustratively, the measurement time slot information is a bitmap (bitmap), the bitmap includes a plurality of bits, each bit maps one time slot in the SMTC window, the bitmap and the time slot in the SMTC window are in a one-to-one mapping relationship, and the length of the time slot is determined by the SCS of the SSB. Specifically, when SCS of SSB is 15 x 2 μAt kHz, the length of one time slot is 2ms, μ is an integer greater than or equal to 0. The value of each bit is used to determine the time slot to participate in the RSSI measurement among the mapped multiple time slots, referred to as active time slots in this embodiment. For example: if the value of the bit is 1, the time slot of the bit mapping is an effective time slot, and the time slot needs to participate in RSSI measurement; value of bitA value of 0 indicates that the time slot of the bitmap is not a valid time slot, and the time slot does not need to participate in the RSSI measurement.
For example, the end symbol information is used to indicate the OFDM symbols participating in the RSSI measurement in the valid time slot, and the end symbol information may have a plurality of values, where each value represents a range of the OFDM symbols participating in the RSSI measurement in the time slot. For example: each time slot comprises 14 OFDM symbols, and symbol indexes are 0-13 respectively; the value of the end symbol information may be 0-3, and the mapping relationship between the value of the end symbol information and the index of the OFDM symbol participating in RSSI measurement is shown in table 1:
dereferencing of end symbol information Symbol index
0 {0,1}
1 {0,1,2,..,10,11}
2 {0,1,2,…,5}
3 {0,1,2,…,7}
TABLE 1
How to map the measurement time slot information with the time slots in the SMTC window is related to the timing reference of the RSSI measurement, which is determined according to the following principle:
1. For the measurement of the same-frequency point, the timing reference of RSSI measurement is a service cell on the frequency point;
2. for the measurement of the pilot frequency point, the timing reference of the RSSI measurement is any cell on the frequency point.
The common frequency point refers to a frequency point where a serving cell is located, and in a non-Carrier Aggregation (CA) and non-Dual Connectivity (DC) scenario, the serving cell refers to a primary cell (PCell) providing service for the UE. In a CA or DC scenario, the serving cells include a primary cell, a master-slave cell (PSCell), and all slave cells (scells). The pilot frequency point represents a frequency point other than the common frequency point.
The mapping between the measured time slot information and the time slots within the SMTC window is not only related to the timing reference of the RSSI measurement, but also related to the timing reference of the SMTC window. For example: in an NR communication system, the timing reference of an SMTC window is a specific cell (SpCell) of NR, and the SpCell refers to a primary cell (Pcell) or a primary secondary cell (PSCell). Thus in a non-standalone deployment (NSA) scenario, the NR SpCell refers to the PSCell of NR. And in the independent deployment (SA) scenario, the NR scell refers to the PCell of the NR. For the processes of co-frequency measurement of the frequency point where the SCell is located and pilot frequency measurement of the pilot frequency point, the mapping relation between the measurement time slot information and each slot in the SMTC window may not be clear. Several mapping modes of measuring time slot information and each time slot in the SMTC window in the processes of the intra-frequency measurement and the inter-frequency measurement are described below.
Scene 1: for the same-frequency measurement of the frequency point where the SpCell is located, the timing reference of the RSSI measurement and the timing reference of the SMTC window are both the SpCell. Fig. 1b is a schematic diagram of a mapping relationship between measurement time slot information and each time slot in an SMTC window during co-frequency measurement of a frequency point where a SpCell is located, assuming that the length of the SMTC window is 5ms, the subcarrier spacing (SCS) of a Synchronization Signal Block (SSB) is 30kHz, and the length of the time slot obtained according to the SCS of the SSB is 0.5 ms. Because the timing reference of the RSSI measurement is the same as the timing reference of the SMTC window, the boundary of the SMTC window is aligned with the time slot boundary of the SpCell, and at this time, the mapping relationship between the measurement time slot information (bitmap) and the time slot in the SMTC window is clear, and the terminal device can accurately determine the position of the time domain resource participating in the RSSI measurement in the SMTC window according to the RSSI measurement configuration information.
Scene 2: for the co-frequency measurement of the frequency point where the SCell is located, the timing reference of the SMTC window is NR SCell (first cell), but the timing reference of the RSSI measurement is the serving cell on the frequency point, i.e., SCell (second cell). The timing of the NR SpCell and the timing of the SCell may not coincide. For example: in an intra-band non-conditional NR CA scene, the Maximum Reception Timing Difference (MRTD) between each cell is 3 microseconds; whereas in the inter-band NR CA scenario the timing difference between cells may be as high as 33 microseconds (case of FR 1). It may occur that the boundaries of the SMTC window do not align with the slot boundaries as shown in fig. 1 c. Assuming that the length of the SMTC window is 5ms and the SCS of the SSB is 30kHz, the length of the time slot obtained from the SCS of the SSB is 0.5ms, and the number of complete time slots based on the timing of the second cell in the SMTC window is then: the length of the SMTC window (SCS/15 of SSB) -1 is 9, and the length of the measurement slot information (bitmap) is: the length of the SMTC window (SCS/15 of SSB) is 10, and the mapping relationship between the measurement time slot information (bitmap) and the time slots in the SMTC window is not clear, which may result in that the UE cannot accurately determine the position of the time domain resource participating in the RSSI measurement in the SMTC window.
Scene 3: for the pilot frequency measurement of the non-service frequency point, the difference between the timing reference of the RSSI measurement and the timing reference of the NR SpCell is larger than that of the same frequency measurement. First, the difference in reception timing between the inter-frequency cell and the serving cell has no constraint in the 3GPP protocol; secondly, the timing reference cell for RSSI measurement during pilot frequency measurement may be any cell on the frequency point, and the randomness of the UE in the timing reference cell selection may also cause a very large timing difference. Ambiguity in the mapping relationship between the measurement time slot information (bitmap) and the time slots within the SMTC window may result in the UE being unable to accurately determine the location of the time domain resources participating in the RSSI measurement within the SMTC window.
According to the above analysis, the current RSSI measurement process does not consider the situation that the timing reference of the RSSI measurement is different from the timing reference of the SMTC window, in which case the mapping relationship between the measurement time slot information and the time slot in the SMTC window is ambiguous, and the UE cannot accurately determine the position of the time domain resource participating in the RSSI measurement in the SMTC window, so how to specify the mapping relationship between the measurement time slot information and each time slot in the SMTC window is an urgent problem to be solved at present.
In order to solve the above-mentioned technical problem, the present application provides the following technical solutions:
referring to fig. 2, a schematic flow chart of a method for measuring reference signal strength indication according to an embodiment of the present invention is provided, where in the embodiment of the present invention, the method includes:
s201, the network equipment sends RSSI measurement configuration information, SCS information of SSB and SMTC information to the terminal equipment, and the terminal equipment receives the RSSI measurement configuration information, the SCS information of SSB and the SMTC information from the network equipment.
Specifically, the RSSI measurement configuration information is used to indicate a time domain resource participating in RSSI measurement in the SMTC window. In one possible embodiment, the RSSI measurement configuration information includes measurement slot information and end symbol information. The definitions of the measurement slot information and the end symbol information may refer to the descriptions in the embodiments of fig. 1a to 1c, and are not described herein again. The SMTC information is used for indicating the time domain position of the SMTC window, the SMTC information comprises one or more of the period of the SMTC window, the length of the SMTC window and the offset of the SMTC window, the period of the SMTC window represents the period of the SMTC window, the length of the SMTC window represents the duration of the SMTC window, and the offset of the SMTC window represents the offset of the SMTC window relative to a reference time point.
In one possible implementation, the network device configures the RSSI measurement configuration information, the SCS information of the SSB, and the SMTC information for the terminal device through Radio Resource Control (RRC) signaling in a connected state (connected). In yet another possible implementation, the network device may configure the RSSI measurement configuration information, the SCS information of the SSB, and the SMTC information for the terminal device through System Information Block (SIB) information in idle/inactive state.
In one possible embodiment, the measurement configuration information includes a bitmap, where the bitmap includes N bits, where N is the length of the SMTC window/slot length-1, the slot length is related to the SCS of the SSB, and the length of the SMTC window is N +1 slots. Wherein the length of the SMTC window may be determined based on the SMTC information.
S202, the terminal equipment determines the time domain position of the SMTC window.
Specifically, the timing reference of the SMTC window is the first cell, which means that the first cell is a timing reference cell of the SMTC window, and the timeslot boundary of the SMTC window is referred to the timeslot boundary of the first cell. And the terminal equipment determines the time domain position of the SMTC window for currently carrying out RSSI measurement according to the timing of the first cell and the SMTC information, wherein the time domain position of the SMTC window comprises a starting time and an ending time.
S203, the terminal equipment determines the symbols participating in the RSSI measurement.
Specifically, the terminal device determines a bitmap according to measurement time slot information included in the RSSI measurement configuration information, determines the length of a time slot in the SMTC window according to SCS information of the SSB, determines a time slot boundary participating in the RSSI measurement according to the timing of the second cell, determines a time slot participating in the RSSI measurement in the SMTC window according to a mapping relationship between a value of the bitmap and the time slot in the SMTC window, and determines an OFDM symbol participating in the RSSI measurement in the time slot participating in the RSSI measurement according to end symbol information. The timing reference of the RSSI measurement is the second cell, the timing reference of the SMTC window is the first cell, and there is a timing difference between the timing of the first cell and the timing of the second cell, i.e. the boundaries of the timeslots of the first cell and the second cell are not aligned, then the boundaries of the SMTC window and the boundaries of the timeslots participating in the RSSI measurement are also not aligned.
The timing reference of the RSSI measurement is that the second cell is a timing reference cell of the RSSI measurement, and the time slot boundary of the RSSI measurement takes the time slot boundary of the second cell as a reference.
In one possible implementation, the method for a terminal device to determine symbols participating in RSSI measurement includes: the terminal equipment determines M effective time slots in continuous N time slots at the beginning of the first time slot covered by the SMTC window according to the measurement time slot information, and then the terminal equipment determines symbols participating in RSSI measurement in the M effective time slots according to the ending symbol information. M and N are integers which are more than 0, M is less than or equal to N, symbols which participate in RSSI measurement are covered by an SMTC window, and the last time slot in N continuous time slots is not covered by the SMTC window. The length of the SMTC window is N time slots, the length of the bitmap is N bits, and the N bits are used to map N consecutive time slots.
Specifically, the time slot or symbol is covered by the SMTC window, which means that the starting time of the time slot or symbol is not earlier than the starting time of the SMTC window, and the ending time of the time slot or symbol is not later than the ending time of the SMTC window. The terminal equipment firstly determines a first time slot covered by an SMTC window based on the timing of a second cell and SCS information of SSB, and then maps N continuous time slots from the first time slot according to the bit number N of a bit bitmap; because the time slot boundaries of the first cell and the second cell are not aligned, and the length of the SMTC window is N time slots, the last time slot of the N consecutive time slots is not covered by the SMTC window, that is, part of the last time slot of the N consecutive time slots falls outside the SMTC window. And the terminal equipment determines M effective time slots in the N time slots according to the value of each bit in the bit bitmap. For example: when the value of a bit is "1", the slot of the bit map is an active slot, and when the value of a bit is "0", the slot of the bit map is not an active slot. Then, the terminal device determines, according to the end symbol information, the OFDM symbols participating in the RSSI measurement in the determined M effective time slots, for example: and determining that the value of the ending symbol information corresponds to the OFDM symbol needing RSSI measurement according to the mapping table shown in the table 1.
For example: referring to fig. 3, the bitmap includes 10 bits, and the bits in the bitmap are in turn: 1001010111, SSB SCS is 30kHz, the length of the time slot obtained according to the SSB SCS is 0.5ms, the length of the SMTC window is 5ms, and the length of the SMTC window is equal to the length of 10 time slots. The timing reference of the SMTC window is the first cell, the timing reference of the RSSI measurement is the second cell, and the slot boundary between the first cell and the second cell is not aligned, i.e., the boundary of the SMTC window is not aligned with the slot boundary of the second cell. The terminal equipment determines that the first time slot covered by the SMTC window in the second cell is the time slot 3, and then the terminal equipment maps 10 continuous time slots in the second cell by starting from the time slot 3 according to the bit number of the bitmap: slot 3 to slot 12. The mapping relationship between the bitmap and the time slot is shown in table 2:
1 0 0 1 0 1 0 1 1 1
time slot 3 Time slot 4 Time slot 5 Time slot 6 Time slot 7 Time slot 8 Time slot 9 Time slot 10 Time slot 11 Time slot 12
TABLE 2
The terminal equipment determines an effective time slot according to the value of each bit in the bit bitmap, the time slot mapped when the value of the bit is 1 is an effective time slot, the time slot mapped when the value of the bit is 0 is not an effective time slot, and the time slot 3, the time slot 6, the time slot 8, the time slot 10, the time slot 11 and the time slot 12 are obtained as effective time slots according to the mapping relation of the table 2, and the time slot 12 is not covered by the SMTC window. The terminal device performs table lookup according to the end symbol information to determine the symbol participating in the RSSI measurement in the above-mentioned valid timeslot, wherein for the timeslot 12, the OFDM symbol participating in the RSSI measurement in the timeslot 12 only includes the symbol covered by the SMTC window, for example: the value of the end symbol information is 0, and the symbols participating in the RSSI measurement in the time slot 12 are found to be symbols 0 to 11 by looking up the table, but only symbols 0 to 5 in the time slot 12 are covered by the SMTC window, so that only symbols 0 to 5 in the time slot 12 participate in the RSSI measurement.
In one possible implementation, the process of determining participation in RSSI measurement by the terminal device includes: the terminal equipment determines M effective time slots in continuous N time slots which are covered by the SMTC window and begin with the first time slot according to the measurement time slot information, and the terminal equipment determines symbols participating in RSSI measurement in the M effective time slots according to the RSSI measurement configuration information. M and N are integers which are larger than 0, M is not larger than N, N time slots are covered by an SMTC window, the length of the SMTC window is N +1 time slots, the length of a bit bitmap is N +1 bits, and the front N bits in the N +1 bits are used for mapping N continuous time slots.
Specifically, the time slot or symbol is covered by the SMTC window, which means that the starting time of the time slot or symbol is not earlier than the starting time of the SMTC window, and the ending time of the time slot or symbol is not later than the ending time of the SMTC window. The terminal equipment firstly determines a first time slot covered by the SMTC window based on the timing of the second cell and SSB SCS, determines the first N bits of N +1 bits in a bit bitmap, and then determines continuous N time slots in the second cell by starting from the first time slot, wherein the length of the SMTC window is N +1 time slots, and the N continuous time slots are covered by the SMTC window. Then, the terminal device determines M effective time slots in N consecutive time slots according to the determined values of the N bits, and the terminal device determines an Orthogonal Frequency Division Multiplexing (OFDM) symbol participating in RSSI measurement in the M effective time slots according to the end symbol information.
For example: as described with reference to fig. 4, the SCS of SSB is 30kHz, resulting in a slot length of 0.5ms and a SMTC window length of 5ms, which is thus equal to 10 slots. The timing reference of the SMTC window is the first cell and the timing reference of the RSSI measurement is the second cell. The terminal device first determines that the first timeslot covered by the SMTC window is timeslot 3. The bit map contains 10 bits of "1001010111", and the terminal device determines the first 9 bits of "100101011" from the 10 bits. The terminal device maps 9 slots in the second cell starting with slot 3 according to 9 bits: slot 3 to slot 11, wherein the mapping relationship between 9 bits and slot is as described in expression 3:
1 0 0 1 0 1 0 0 1
time slot 3 Time slot 4 Time slot 5 Time slot 6 Time slot 7 Time slot 8 Time slot 9 Time slot 10 Time slot 11
TABLE 3
The terminal device determines the valid time slot among 9 consecutive time slots according to the value of the bit, for example: when the value of the bit is 1, the time slot of the bit map is an effective time slot, and when the value of the bit is 0, the time slot of the bit map is not an effective time slot, and it can be known from the mapping relationship in table 3 that the effective time slot is: slot 3, slot 6, slot 8, slot 9, and slot 11. The terminal device determines the OFDM symbols participating in the RSSI measurement according to the end symbol information in the above valid time slot, which is not described herein again.
As can be seen from the above description, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the preceding bits in the bitmap are mapped with the plurality of slots covered by the SMTC window, which are based on the timing of the second cell and the plurality of slots starting from the first slot of the SCS of the SSB, the mapping relationship between the measurement slot information and the slots in the SMTC window is clear, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
In another possible implementation, the process of determining participation in RSSI measurement by the terminal device includes: the terminal equipment determines M effective time slots in N continuous time slots which are covered by the SMTC window and start from the first time slot of the timing based on the second cell and the SCS information of the SSB according to the measured time slot information; and the terminal equipment determines symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information. M and N are integers which are larger than 0, M is not more than N, N time slots are covered by an SMTC window, the length of the SMTC window is N +1 time slots, the length of a bit bitmap corresponding to the measurement time slot is N +1 bits, and the next N time slots in the N +1 bits are used for mapping the N time slots.
Specifically, the time slot or symbol is covered by the SMTC window, which means that the starting time of the time slot or symbol is not earlier than the starting time of the SMTC window, and the ending time of the time slot or symbol is not later than the ending time of the SMTC window. The terminal device first determines the first slot of the SCS based on the timing and SSB of the second cell covered by the SMTC window and determines the next N bits of N +1 bits in the bitmap, and then the terminal device determines N consecutive slots in the second cell starting with the first slot, which are all covered by the SMTC window since the length of the SMTC window is N +1 slots. Then, the terminal device determines M effective time slots in N consecutive time slots according to the determined values of the N bits, and the terminal device determines the OFDM symbols participating in the RSSI measurement in the M effective time slots according to the end symbol information.
For example: as described with reference to fig. 5, the SCS of SSB is 30kHz, resulting in a slot length of 0.5ms and a SMTC window length of 5ms, so that the SMTC window contains 10 slots. The timing reference of the SMTC window is the first cell, and the timing reference of the RSSI measurement is the second cell, that is, the terminal device needs to perform the RSSI measurement on the second cell. The terminal device first determines the first timeslot covered by the SMTC window in the second cell to be timeslot 3. The bit bitmap contains 10 bits of "1001010111", and the terminal device determines the next 9 bits of "001010111" from the 10 bits. The terminal device maps 9 slots in the second cell starting with slot 3 according to 9 bits: slot 3 to slot 11, where the mapping of 9 bits to slot is as described in expression 4:
0 0 1 0 1 0 1 1 1
time slot 3 Time slot 4 Time slot 5 Time slot 6 Time slot 7 Time slot 8 Time slot 9 Time slot 10 Time slot 11
TABLE 4
Then, the terminal device determines the effective time slot as follows according to the value of the bit: and the terminal device determines the OFDM symbol participating in RSSI measurement in the above valid slot according to the end symbol information, which is not described herein again.
As can be seen from the above description, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the latter bits in the bitmap are mapped with the second cell covered by the SMTC window and the plurality of slots starting from the first slot of the SCS of the SSB, the mapping relationship between the measurement slot information and the slots in the SMTC window is clear, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
In another possible implementation, the process of determining participation in RSSI measurement by the terminal device includes: the terminal equipment determines M effective time slots in N continuous time slots which are covered by the SMTC window and begin based on the timing of the second cell and the first time slot of the SCS information of the SSB according to the measurement time slot information; and the terminal equipment determines symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information. M and N are integers more than 0, and M is less than or equal to N. The bitmap corresponding to the measurement time slot information contains N bits, the N bits are used for mapping N continuous time slots, the length of the SMTC window is N +1 time slots, and the N time slots are all covered by the SMTC window.
Specifically, the time slot or symbol being covered by the SMTC window means that the time slot or symbol starts at a time that is not later than the start time of the SMTC window and ends at a time that is not later than the end time of the SMTC window. The terminal device first determines a first slot of the SCS based on the timing of the second cell and the SSB covered by the SMTC window, and then determines N consecutive slots in the second cell starting with the first slot, the N determined slots being all covered by the SMTC window since the length of the SMTC window is N +1 slots. And then the terminal equipment determines M effective time slots in N continuous time slots according to the values of the N bits, and the terminal equipment determines the OFDM symbols participating in RSSI measurement in the M effective time slots according to the end symbol information.
For example: referring to fig. 6, the SCS of SSB is 30kHz with N being 10, resulting in a slot length of 0.5ms and a SMTC window length of 10 slots. The timing reference of the SMTC window is the first cell, and the timing reference of the RSSI measurement is the second cell, that is, the terminal device needs to perform the RSSI measurement on the second cell. The terminal device first determines the first timeslot covered by the SMTC window in the second cell to be timeslot 3. The bitmap contains 9 bits: 001010111, the terminal device maps 9 slots in the second cell starting with slot 3 according to 9 bits: slot 3 to slot 11, where the mapping of 9 bits to slot is as described in expression 4:
0 0 1 0 1 0 1 1 1
time slot 3 Time slot 4 Time slot 5 Time slot 6 Time slot 7 Time slot 8 Time slot 9 Time slot 10 Time slot 11
TABLE 5
Then, the terminal device determines the effective time slot as follows according to the value of the bit: and the terminal device determines the OFDM symbol participating in RSSI measurement in the above valid slot according to the end symbol information, which is not described herein again.
As can be seen from the above description, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the number of bits of the bitmap is less than the number of slots included in the SMTC window, the bitmap is mapped with a plurality of slots starting from the first slot of the SCS based on the timing of the second cell and the SSB covered by the SMTC window, the mapping relationship between the measurement slot information and the slots in the SMTC window is clear, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
In another possible embodiment, the process of the terminal device determining the symbols participating in the RSSI measurement includes: the terminal equipment determines M effective time slots in N continuous time slots which are overlapped with the SMTC window and start from the first time slot of the timing based on the second cell and the SCS information of the SSB according to the measurement time slot information, the terminal equipment determines symbols participating in RSSI measurement in the M effective time slots according to the ending symbol information, and the symbols participating in RSSI measurement are all covered by the SMTC window. M and N are integers more than 0, M is less than or equal to N, the length of the SMTC window is N time slots, and the first time slot in the N continuous time slots is not covered by the SMTC window.
Specifically, the overlapping of the timeslot/symbol and the SMTC window means that the starting time of the timeslot/symbol is no later than the ending time of the SMTC window, and the ending time is no earlier than the starting time of the SMTC window. The timing reference of the SMTC window is the first cell, and the timing reference of the RSSI measurement is the second cell, that is, the terminal device performs the RSSI measurement on the second cell. The terminal equipment determines a first time slot overlapped with the SMTC window in a second cell, then the terminal equipment maps N continuous time slots in the second cell from the first time slot according to the bit number of a bit bitmap, the terminal equipment determines M effective time slots in the N continuous time slots according to the value of the bit, and the terminal equipment determines the OFDM symbols participating in RSSI measurement in the M effective time slots according to the end symbol information.
As shown in fig. 7, the bitmap includes 10 bits, and the bits in the bitmap are in turn: 1001010111, SSB SCS is 30kHz, the length of the time slot obtained according to the SSB SCS is 0.5ms, the length of the SMTC window is 5ms, and the SMTC window comprises 10 time slots. The timing reference of the SMTC window is the first cell, the timing reference of the RSSI measurement is the second cell, and the slot boundary between the first cell and the second cell is not aligned, i.e., the boundary of the SMTC window is not aligned with the slot boundary of the second cell. The terminal equipment determines that the first time slot overlapped with the SMTC window in the second cell is the time slot 2, and then the terminal equipment maps 10 continuous time slots in the second cell by starting from the time slot 2 according to the bit number of the bitmap as follows: slot 2 to slot 11. The mapping relationship between the bitmap and the time slots is shown in table 6:
1 0 0 1 0 1 0 1 1 1
time slot 2 Time slot 3 Time slot 4 Time slot 5 Time slot 6 Time slot 7 Time slot 8 Time slot 9 Time slot10 Time slot 11
TABLE 6
The terminal equipment determines an effective time slot according to the value of each bit in the bit bitmap, the time slot mapped when the value of the bit is 1 is an effective time slot, the time slot mapped when the value of the bit is 0 is not an effective time slot, the time slot 2, the time slot 5, the time slot 7, the time slot 9, the time slot 10 and the time slot 11 can be obtained as effective time slots according to the mapping relation of the table 2, and the time slot 2 is not covered by the SMTC window. The terminal device performs table lookup according to the end symbol information to determine the symbol participating in the RSSI measurement in the above-mentioned effective timeslot, where, for timeslot 2, the OFDM symbol participating in the RSSI measurement in timeslot 2 only includes the symbol covered by the SMTC window, for example: the value of the end symbol information is 0, and the symbols participating in the RSSI measurement in the time slot 2 are found to be symbols 0 to 11 by looking up the table, but only symbols 6 to 11 in the time slot 2 are covered by the SMTC window, so that only symbols 6 to 11 participate in the RSSI measurement in the time slot 2.
As can be seen from the above description, when the timing reference of the SMTC window is different from the timing reference of the RSSI measurement, the bitmap and N consecutive time slots starting from the first time slot of the SCS information based on the timing of the second cell and the SSB overlapping with the SMTC window have a definite mapping relationship between the measurement time slot information and the time slot in the SMTC window, and the terminal device can accurately perform the RSSI measurement on the specified time domain resource.
And S204, the terminal equipment carries out RSSI measurement on the determined symbol.
Specifically, the terminal device determines the OFDM symbol determined in S203 and the RSSI measured in the given measurement bandwidth, for example: and carrying out co-frequency measurement or inter-frequency measurement, wherein the measurement object comprises one or more of a useful signal, interference and noise.
As shown in fig. 8, the apparatus 8 includes a processing unit 801 and a transceiving unit 802, where the apparatus 8 is configured to execute a behavior function of a terminal device in the foregoing method embodiment.
In one possible embodiment, the transceiving unit 802 is configured to receive reference signal strength indication RSSI measurement configuration information, subcarrier spacing SCS information of a synchronization signal block SSB, and synchronization signal measurement timing configuration SMTC information from a network device; for example: s201 in fig. 2 is executed.
A processing unit 801, configured to determine a time domain position of an SMTC window according to the timing of the first cell and the SMTC information received by the transceiver unit; wherein the timing reference of the SMTC window is a first cell; for example: s202 in fig. 2 is performed.
The processing unit 801 is configured to determine a symbol participating in RSSI measurement according to the RSSI measurement configuration information received by the transceiving unit, SCS information of the SSB, timing of the second cell, and the time domain position of the SMTC window determined by the processing unit; wherein the symbols participating in the RSSI measurement are all covered by the SMTC window, and the timing reference of the RSSI measurement is the second cell; for example: s203 in fig. 2 is performed.
The processing unit 801 is configured to perform RSSI measurement on the symbols determined to participate in the RSSI measurement; for example, S204 of fig. 2 is performed.
Optionally, there is a timing difference between the timing of the first cell and the timing of the second cell.
Optionally, the determining, by the processing unit 801, the symbol participating in the RSSI measurement according to the RSSI measurement configuration information received by the transceiving unit 802, the SCS information of the SSB, the timing of the second cell, and the time domain position of the SMTC window includes:
determining M effective time slots in N continuous time slots starting from the first time slot covered by the SMTC window according to the RSSI measurement configuration information, the timing of the second cell and the SCS information of the SSB; m and N are integers more than 1, and M is less than or equal to N;
And determining symbols participating in RSSI measurement in the M effective time slots according to the RSSI measurement configuration information.
Optionally, the RSSI measurement configuration information includes a bitmap, where the bitmap includes N bits, the N bits are used to map N consecutive time slots, the length of the SMTC window is N time slots, and the last time slot of the N consecutive time slots is not covered by the SMTC window.
Optionally, the RSSI measurement configuration information includes a bitmap, where the bitmap includes N +1 bits, the first N bits of the N +1 bits are used to map N consecutive time slots, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window.
Optionally, the RSSI measurement configuration information includes a bitmap with a length of N +1, the last N bits of the N +1 bits included in the bitmap are used for mapping N consecutive time slots, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window.
Optionally, the RSSI measurement configuration information includes a bitmap, where the bitmap includes N bits, where the N bits are used to map N consecutive time slots, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window.
Optionally, the determining, by the processing unit 801, a symbol participating in RSSI measurement according to the RSSI measurement configuration information received by the transceiving unit 802, the SCS information of the SSB, the timing of the second cell, and the time domain position of the SMTC window includes:
determining M effective time slots in N continuous time slots from the first time slot overlapped with the SMTC window according to the RSSI measurement configuration information, the SCS information of the SSB and the timing of the second cell; m and N are integers more than 1, and M is less than or equal to N;
and determining symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information.
Optionally, the RSSI measurement configuration information includes a bitmap, where the bitmap includes N bits, where the N bits are used to map N consecutive time slots, the length of the SMTC window is N time slots, and a first time slot of the N consecutive time slots is not covered by the SMTC window.
Optionally, the M valid timeslots are indicated from the N consecutive timeslots by means of bitmap mapping.
The above device embodiments only list logic functions between modules, and please refer to their corresponding method embodiments for specific execution processes and beneficial effects.
Fig. 8A is another apparatus, hereinafter referred to as an apparatus 8A, provided in this embodiment of the present application, where the apparatus 8A may be configured to perform a behavior function of a network device in the foregoing method embodiments. The apparatus 8A includes:
A processing unit 801A, configured to determine RSSI measurement configuration information, SCS information of SSB, and SMTC information; the bitmap included in the RSSI measurement configuration information includes N bits, where N is the length of the SMTC window/timeslot length-1.
The transceiving unit 802B is configured to send the RSSI measurement configuration information, SCS information of the SSB, and SMTC information to the terminal device.
Optionally, a timing reference of the SMTC window is a first cell, a timing reference of the RSSI measurement is a second cell, and a timing difference exists between a timing of the first cell and a timing of the second cell.
The device 8 or the device 8A may also be a field-programmable gate array (FPGA), an application-specific integrated chip (asic), a system on chip (SoC), a Central Processing Unit (CPU), a Network Processor (NP), a digital signal processing circuit, a Micro Controller Unit (MCU), or a Programmable Logic Device (PLD) or other integrated chips.
The embodiment of the present invention and the embodiment of the method in fig. 2 are based on the same concept, and the technical effects brought by the embodiment of the present invention are also the same, and the specific process can refer to the description of the embodiment of the method in fig. 2, and will not be described herein again.
Fig. 9 is a schematic structural diagram of an apparatus according to an embodiment of the present invention, which is hereinafter referred to as an apparatus 9 for short, where the apparatus 9 may be integrated in the foregoing network device or terminal device, as shown in fig. 9, the apparatus includes: memory 902, processor 901, transceiver 903.
The memory 902 may be a separate physical unit, which may be connected to the processor 901 and the transceiver 903 via a bus. The memory 902, processor 901, transceiver 903 may also be integrated, implemented in hardware, etc.
The memory 902 is used for storing a program for implementing the above method embodiment, or various modules of the apparatus embodiment, and the processor 901 calls the program to perform the operations of the above method embodiment.
Alternatively, when part or all of the reference signal processing method of the above embodiments is implemented by software, the apparatus may also include only a processor. The memory for storing the program is located outside the device and the processor is connected to the memory by means of circuits/wires for reading and executing the program stored in the memory.
The processor may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of a CPU and an NP.
The processor may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof. The PLD may be a Complex Programmable Logic Device (CPLD), a field-programmable gate array (FPGA), a General Array Logic (GAL), or any combination thereof.
The memory may include volatile memory (volatile memory), such as random-access memory (RAM); the memory may also include a non-volatile memory (non-volatile memory), such as a flash memory (flash memory), a hard disk (HDD) or a solid-state drive (SSD); the memory may also comprise a combination of memories of the kind described above.
In the above embodiments, the sending module or the transmitter performs the sending steps of the above various method embodiments, the receiving module or the receiver performs the receiving steps of the above various method embodiments, and other steps are performed by other modules or processors. The sending module and the receiving module can form a transceiver module, and the receiver and the transmitter can form a transceiver.
The embodiment of the present application further provides a computer storage medium storing a computer program, where the computer program is used to execute the method for measuring the reference signal strength indication provided in the foregoing embodiment.
Embodiments of the present application further provide a computer program product containing instructions, which when run on a computer, cause the computer to perform the measurement method for reference signal strength indication provided by the above embodiments.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

Claims (27)

1. A method of measuring a reference signal strength indication, comprising:
the method comprises the steps that terminal equipment receives reference signal strength indication RSSI measurement configuration information, subcarrier interval SCS information of a synchronous signal block SSB and synchronous signal measurement timing configuration SMTC information from network equipment;
the terminal equipment determines the time domain position of an SMTC window according to the timing of the first cell and the SMTC information; wherein the timing reference of the SMTC window is a first cell;
The terminal equipment determines a symbol participating in RSSI measurement according to the RSSI measurement configuration information, the SCS information of the SSB, the timing of a second cell and the time domain position of the SMTC window; wherein the symbols participating in the RSSI measurement are all covered by the SMTC window, and the timing reference of the RSSI measurement is the second cell;
and the terminal equipment carries out RSSI measurement on the symbols determined to participate in the RSSI measurement.
2. The method of claim 1, wherein a timing difference exists between a timing of the first cell and a timing of the second cell.
3. The method of claim 1, wherein the determining, by the terminal device, the symbols participating in the RSSI measurement according to the RSSI measurement configuration information, the SCS information of the SSB, the timing of the second cell, and the time domain position of the SMTC window comprises:
the terminal equipment determines M effective time slots in N continuous time slots at the beginning of the first time slot covered by the SMTC window according to the RSSI measurement configuration information, the timing of the second cell and the SCS information of the SSB; m and N are integers more than 1, and M is less than or equal to N;
and the terminal equipment determines symbols participating in RSSI measurement in the M effective time slots according to the RSSI measurement configuration information.
4. The method according to any one of claims 1 to 3,
the RSSI measurement configuration information includes a bitmap, the bitmap includes N bits, the N bits are used for mapping N consecutive time slots, the length of the SMTC window is N time slots, and the last time slot of the N consecutive time slots is not covered by the SMTC window.
5. The method according to any one of claims 1 to 3,
the RSSI measurement configuration information includes a bitmap, the bitmap includes N +1 bits, the first N bits of the N +1 bits are used for mapping N consecutive time slots, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window.
6. The method according to any one of claims 1 to 3,
the RSSI measurement configuration information includes a bitmap with a length of N +1, the last N bits of the N +1 bits included in the bitmap are used for mapping N continuous time slots, the length of the SMTC window is N +1 time slots, and the N continuous time slots are all covered by the SMTC window.
7. A method according to any one of claims 1-3, characterized in that:
The RSSI measurement configuration information includes a bitmap, the bitmap includes N bits, the N bits are used for mapping N consecutive time slots, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window.
8. The method of claim 1, wherein the determining, by the terminal device, the symbols participating in the RSSI measurement according to the RSSI measurement configuration information, the SCS information of the SSB, the timing of the second cell, and the time domain position of the SMTC window comprises:
the terminal equipment determines M effective time slots in N continuous time slots starting from the first time slot overlapped with the SMTC window according to the RSSI measurement configuration information, the SCS information of the SSB and the timing of the second cell; m and N are integers more than 1, and M is less than or equal to N;
and the terminal equipment determines symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information.
9. The method of any one of claims 1, 2 and 8, wherein:
the RSSI measurement configuration information includes a bitmap, the bitmap includes N bits, the N bits are used for mapping N consecutive time slots, the length of the SMTC window is N time slots, and a first time slot of the N consecutive time slots is not covered by the SMTC window.
10. The method according to claim 3 or 8, wherein the M active time slots are indicated from the N consecutive time slots by means of bitmap mapping.
11. A method of measuring a reference signal strength indication, comprising:
the network equipment determines reference signal strength indication RSSI measurement configuration information, subcarrier spacing SCS information of a synchronous signal block SSB and synchronous signal measurement timing configuration SMTC information; wherein, the bitmap included in the RSSI measurement configuration information includes N bits, where N is the length of the SMTC window/the length of the timeslot-1;
and the network equipment sends the RSSI measurement configuration information, the SCS information of the SSB and the SMTC information to the terminal equipment.
12. The method of claim 11, wherein a timing reference of the SMTC window is a first cell, wherein a timing reference of an RSSI measurement is a second cell, and wherein a timing difference exists between a timing of the first cell and a timing of the second cell.
13. A measurement device for reference signal strength indication, comprising:
a transceiving unit for receiving reference signal strength indication RSSI measurement configuration information, subcarrier spacing SCS information of a synchronization signal block SSB, and synchronization signal measurement timing configuration SMTC information from a network device;
The processing unit is used for determining the time domain position of an SMTC window according to the timing of the first cell and the SMTC information received by the transceiving unit; wherein the timing reference of the SMTC window is a first cell;
the processing unit is configured to determine a symbol participating in RSSI measurement according to the RSSI measurement configuration information received by the transceiver unit, SCS information of the SSB, timing of a second cell, and the time domain position of the SMTC window determined by the processing unit; wherein the symbols participating in the RSSI measurement are all covered by the SMTC window, and the timing reference of the RSSI measurement is the second cell;
the processing unit is configured to perform RSSI measurement on the symbols determined to participate in the RSSI measurement.
14. The apparatus of claim 13, wherein a timing difference exists between a timing of the first cell and a timing of the second cell.
15. The apparatus of claim 13, wherein the processing unit determines the symbols participating in the RSSI measurement according to the RSSI measurement configuration information received by the transceiving unit, the SCS information of the SSB, the timing of the second cell, and the time domain position of the SMTC window determined by the processing unit, comprises:
Determining M effective time slots in N continuous time slots starting from the first time slot covered by the SMTC window according to the RSSI measurement configuration information, the timing of the second cell and the SCS information of the SSB; m and N are integers more than 1, and M is less than or equal to N;
and determining symbols participating in RSSI measurement in the M effective time slots according to the RSSI measurement configuration information.
16. The apparatus of any one of claims 13 to 15,
the RSSI measurement configuration information includes a bitmap, the bitmap includes N bits, the N bits are used for mapping N consecutive time slots, the length of the SMTC window is N time slots, and the last time slot of the N consecutive time slots is not covered by the SMTC window.
17. The apparatus of any one of claims 13 to 15,
the RSSI measurement configuration information includes a bitmap, the bitmap includes N +1 bits, the first N bits of the N +1 bits are used for mapping N consecutive time slots, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window.
18. The apparatus of any one of claims 13 to 15,
The RSSI measurement configuration information includes a bitmap with a length of N +1, the last N bits of the N +1 bits included in the bitmap are used for mapping N continuous time slots, the length of the SMTC window is N +1 time slots, and the N continuous time slots are all covered by the SMTC window.
19. The apparatus according to any one of claims 13 to 15, wherein:
the RSSI measurement configuration information includes a bitmap, the bitmap includes N bits, the N bits are used for mapping N consecutive time slots, the length of the SMTC window is N +1 time slots, and the N consecutive time slots are all covered by the SMTC window.
20. The apparatus of claim 13, wherein the processing unit determines the symbols participating in the RSSI measurement according to the RSSI measurement configuration information received by the transceiving unit, the SCS information of the SSB, the timing of the second cell, and the time domain position of the SMTC window determined by the processing unit, comprises:
determining M effective time slots in N continuous time slots starting from the first time slot overlapped with the SMTC window according to the RSSI measurement configuration information, the SCS information of the SSB and the timing of the second cell; m and N are integers more than 1, and M is less than or equal to N;
And determining symbols participating in RSSI measurement in M effective time slots according to the RSSI measurement configuration information.
21. The apparatus of any one of claims 13, 14 and 20, wherein:
the RSSI measurement configuration information includes a bitmap, the bitmap includes N bits, the N bits are used for mapping N consecutive time slots, the length of the SMTC window is N time slots, and a first time slot of the N consecutive time slots is not covered by the SMTC window.
22. The apparatus according to claim 15 or 20, wherein the M valid timeslots are indicated from the N consecutive timeslots by means of bitmap mapping.
23. A measurement device for reference signal strength indication, comprising:
a processing unit for determining one of RSSI measurement configuration information, SCS information of SSB and SMTC information; wherein, the bitmap included in the RSSI measurement configuration information includes N bits, where N is the length of the SMTC window/the length of the timeslot-1;
and the receiving and transmitting unit is used for transmitting the RSSI measurement configuration information, the SCS information of the SSB and the SMTC information to the terminal equipment.
24. The apparatus of claim 23, wherein a timing reference of the SMTC window is a first cell, wherein a timing reference of an RSSI measurement is a second cell, and wherein a timing difference exists between a timing of the first cell and a timing of the second cell.
25. A computer storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of any one of claims 1 to 10.
26. A computer storage medium comprising instructions which, when run on a computer, cause the computer to perform the method of claim 11 or 12.
27. A communications device comprising a processor and a communications interface for receiving signals from or transmitting signals to or from a communications device other than the communications device, the processor being operable by logic circuitry or executing code instructions to implement the method of any one of claims 1 to 10 or 11 to 12.
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