CN110431797A

CN110431797A - The measuring configuration of different reference signals for terminal and the methods, devices and systems of cell measurement reporting mechanism

Info

Publication number: CN110431797A
Application number: CN201880019691.6A
Authority: CN
Inventors: 郑柄薰; A.阿吉瓦尔; 郑丁寿
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2017-03-23
Filing date: 2018-03-23
Publication date: 2019-11-08
Anticipated expiration: 2038-03-23
Also published as: CN110431797B; KR20180108397A; KR102496052B1

Abstract

Provide a kind of communication technology and its system that will be used to that the 5th generation (5G) communication system of the data rate for being higher than super forth generation (4G) system to be supported to combine with Internet of Things (IoT) technology.The disclosure can be applied to the intelligent Service based on the 5G communication technology and IoT the relevant technologies, such as smart home, intelligent building, intelligent city, intelligent automobile or networking automobile, health care, digital education, retail, safety and security related service.This disclosure relates to Next-Generation Wireless Communication Systems, and more specifically, it is related to for the method to terminal distribution reference signal different with transmission, and system, method and apparatus for executing cell measurement and mobile management using the different reference signals of transmission in the system based on Wave beam forming for including one or more base stations and one or more terminals.

Description

The measuring configurations of different reference signals for terminal and cell measurement reporting mechanism Methods, devices and systems

Technical field

This disclosure relates to Next-Generation Wireless Communication Systems.More specifically, this disclosure relates to it is a kind of for terminal distribution and Send different reference signals method and it is a kind of for include one or more base stations and one or more terminals based on Executed in the system of Wave beam forming using the different reference signals of transmission the system of cell measurement and mobile management, method and Equipment.

Background technique

In order to meet growing wireless data after the commercialization of forth generation (4th generation, 4G) communication system Business demand, efforts have been made to develop improved 5th generation (5th generation, 5G) or pre- 5G communication systems.Therefore, 5G or Pre- 5G communication system is also referred to as the 4G network communicating system surmounted or rear LTE system.

In order to realize the high data rate considered in the disclosure, have been contemplated that in hyperfrequency (millimeter wave) frequency band (for example, picture 60GHZ frequency band) in implement 5G communication system.It is frequent in superelevation in order to mitigate the path loss of radio wave and increase radio wave Transmission range in band, has discussed the Wave beam forming for 5G communication system, extensive multiple-input and multiple-output (multiple-input and multiple-output, MIMO), full-scale multiple-input and multiple-output (full dimension MIMO, FD-MIMO), array antenna, analog beam is formed and the technology of extensive antenna.In addition, in order in 5G communication system Grid improve, to the cell of evolution, advanced cell, cloud wireless access network (radio access network, RAN), super-intensive network, equipment to equipment communication (device to device communication, D2D), wireless backhaul, Mobile network, collaboration communication, coordinating multiple points (coordinated multi-points, CoMP) and reception interference are eliminated and are carried out Technological development.In addition, having developed in 5G system and having modulated (advanced coding corresponding to higher level code Modulation, ACM) system mixing frequency shift keying (frequency-shift keying, FSK) and quadrature amplitude modulation The modulation (FQAM) of (quadrature amplitude modulation, QAM) and sliding window supercomposed coding (sliding Window superposition coding, SWSC), and corresponding to the filter bank multi-carrier of advanced interconnection technique (filter bank multicarrier, FBMC), non-orthogonal multiple (non-orthogonal multiple access, ) and Sparse Code multiple access (sparse code multiple access, SCMA) NOMA.

On the other hand, simultaneously consumption information, connection network focusing on people internet is wherein being generated as the mankind Developing into Internet of Things (Internet of things, IoT), in Internet of Things, the distributed entities of such as things now It exchanges and handles information.All things on earth interconnection (Internet of everything, IoE) has already appeared, it is IoT technology and passes through The combination for the big data processing technique being connect with Cloud Server.As IoT embodiment is to such as sensing technology, wired/nothing The demand of the skill elements such as line communication and network infrastructure, service interface technology and safe practice, has studied use recently In Machine To Machine connection, Machine To Machine (machine-to-machine, M2M) communication, machine type communication (machine Type communication, MTC) etc. sensor network.This IoT environment can provide intelligent interconnection network technology (Internet technology, IT) is serviced, between things of the intelligent Web technological service by collecting and analyzing connection The data of generation create new value for human lives.IoT can pass through existing information technology (information Technology, IT) with the fusion of various industries and combine and be applied to various fields, including smart home, intelligent building, intelligence It can city, intelligent automobile or network automobile, smart grid, health care, intelligent electric appliance and advanced medical services.

Therefore, various trials have been carried out by 5G communication system applications in IoT network.For example, by corresponding to 5G Wave beam forming, MIMO and the array antenna technique of the communication technology implement the technology of sensor network, M2M communication and MTC.As Big data processing technique as described above, the application of cloud RAN will be an examples of 5G technology and IoT technological incorporation.

In a communications system, terminal needs to carry out initial cell selection and cell reselection at the idling mode, to select Best base station is accessed.In addition, needing to be implemented radio to make terminal be switched to better cell in the connection mode Resource management (radio resource management, RRM) measurement.In order to as described above determine cell and compare cell it Between performance, each terminal can observe and calculate the measured value for representing each cell or by measuring derived value.

For this purpose, different base stations retains orthogonal resource and uses using in the shared frequency band of omni-beam in existing LTE These resources send the specific reference signal of cell, and terminal measuring reference signals are strong with the reception signal for knowing each cell It spends (received signal strength, RSRP).

In addition, various methods are had studied in the related art in the next generation communication system for considering Wave beam forming, Wherein different base stations alternately sends cell and the specific reference signal of wave beam using different wave beams in different resources, and And terminal exports a representative corresponding to respective cell using the measured value of multiple wave beams for sending from a cell Value.

Above- mentioned information are only used as background information to present, to help to understand the disclosure.For it is any of the above whether can be with It is applied as the prior art about the disclosure, does not make a determination, also do not make and asserting.

Summary of the invention

Technical problem

Although being had studied in the related art using the reference signal transmission of wave beam or using multiple wave beams Reference signal transmission, but there are no study each base station and use to have different beams area, coverage area in the related art Two or more seed ginsengs generated by unlike signal create-rule are sent with two or more wave beams of transmission cycle The case where examining signal.

Therefore, it is necessary to a kind of methods for terminal distribution reference signal different with transmission, and one kind is for wrapping It includes in the system based on Wave beam forming of one or more base stations and one or more terminals using the different ginsengs for being sent to terminal The method for examining signal to execute cell measurement and mobile management.

Issue-resolution

It is at least to solve the above problems and/or disadvantage, and advantages described below is at least provided in terms of the disclosure.Cause This, the one side of the disclosure provides a kind of method and a kind of use for terminal distribution reference signal different with transmission In in the system based on Wave beam forming for including one or more base stations and one or more terminals using being sent to terminal Different reference signals are come the method that executes cell measurement and mobile management.

According to the one side of the disclosure, a kind of method executed by base station is provided.This method comprises: determining about being used for The configuration information of at least one reference signal relevant to the measurement of serving cell and neighboring community of switching, and will be identified Configuration information is sent to terminal, wherein determined by configuration information include be sent to about at least one reference signal it is small Second information of the first information in area and the respective resources being sent in the cell about at least one reference signal.

According to another aspect of the present disclosure, a kind of method executed by terminal is provided.This method comprises: receiving and servicing The configuration information of at least one relevant reference signal of cell and neighboring community executes measurement for cutting based on the configuration information It changes, and the result of measurement is reported to base station, wherein the configuration information includes being sent to about at least one reference signal Cell the first information and the respective resources being sent in the cell about at least one reference signal the second letter Breath.

According to another aspect of the present disclosure, a kind of base station is provided.Base station includes transceiver and controller, the controller quilt It is configured to determine about matching for switching and at least one relevant reference signal of measurement of serving cell and neighboring community Confidence breath, and control transceiver and send terminal for identified configuration information, wherein identified configuration information includes closing In the first information for the cell that at least one reference signal is sent to and about at least one reference signal in the cell In the second information of respective resources for being sent to.

According to another aspect of the present disclosure, a kind of terminal is provided.The terminal includes: transceiver, be configured as receive with The configuration information of at least one relevant reference signal of serving cell and neighboring community；And controller, it is configured as being based on matching Confidence breath executes measurement to be used to switch, and controls that transceiver is measured to base station report as a result, wherein configuration information includes closing In the cell that at least one reference signal is sent to the first information and about at least one reference signal in the cell by Second information of the respective resources being sent to.

Advantageous effect of the invention

It according to the one side of the disclosure, is including one or more base stations and one or more terminals based on Wave beam forming System in, the reference signal that base station can be different to terminal distribution, and the different reference signals of distribution can be used in terminal To execute cell measurement and mobile management.

In addition, the public information between terminal recognition difference reference signal, such as time, frequency and direction, and therefore It can be minimized and selecting unnecessary operation when sending wave beam and receiving wave beam between base station and terminal, such as repetitive wave Alternating transmission/reception of beam and wave beam is selected by receiving signal measurement.Therefore, it is possible to reduce the power consumption of terminal and time Delay.

From the detailed description of various embodiments for disclosing the disclosure below in conjunction with attached drawing, other aspects of the disclosure, Advantage and notable feature will become apparent to those skilled in the art.

Detailed description of the invention

From the following description taken in conjunction with the accompanying drawings, the above and other aspects, features and advantages of some embodiments of the disclosure It will be apparent, in which:

Fig. 1 shows the reference signal of the transmission according to the embodiment of the present disclosure；

Fig. 2 shows the variety classes according to the block in the same time resource with different number of the embodiment of the present disclosure Reference signal；

Fig. 3, which is shown, to be sent out according to the embodiment of the present disclosure in different time resource using same frequency band with the identical period The different types of reference signal sent；

Fig. 4, which is shown, to be sent out according to the embodiment of the present disclosure in different time resource using same frequency band with the different periods The reference signal sent；

Fig. 5 A, Fig. 5 B and Fig. 5 C are shown according to the various embodiments of the disclosure when the channel state information to be configured reference Signal (channel state information reference signal, CSI-RS) and pre-existing synchronization signal Resource allocation methods when (synchronization signal, SS) is related；

Fig. 6 shows the resource when the CSI-RS to be configured is related to pre-existing SS according to the embodiment of the present disclosure Distribution method；

Fig. 7 shows the resource when the CSI-RS to be configured is related to pre-existing SS according to the embodiment of the present disclosure Distribution method；

Fig. 8 show according to the Physical Broadcast Channel of the embodiment of the present disclosure (physical broadcast channel, PBCH) block configures CSI-RS burst (burst) collection, burst and block using offset；

Fig. 9 show according to the PBCH of the embodiment of the present disclosure burst using offset come configure CSI-RS burst collection, burst and Block；

Figure 10, which is shown, configures CSI-RS burst collection, burst using offset according to the PBCH of embodiment of the present disclosure burst collection And block；

Figure 11 A and Figure 11 B show base station according to various embodiments of the present disclosure occupy down-chain resource come using Broadcast channel sends the configuration information for CSI-RS measurement and will be used for CSI-RS survey by corresponding down-chain resource The configuration information of amount is sent to terminal；

Figure 12 is the terminal for configuring, being configured according to the RS to terminal of serving BS shown according to the embodiment of the present disclosure RS measurement and terminal condition come report measurement results method flow chart；

Figure 13 is the feelings from serving BS to terminal configuration about the information of different RS shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition；

Figure 14 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition；

Figure 15 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition；

Figure 16 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition；

Figure 17 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition；

Figure 18 A, Figure 18 B and Figure 18 C are the block diagrams for showing the structure of the terminal according to the various embodiments of the disclosure；With

Figure 19 is the block diagram for showing the structure of the base station according to the embodiment of the present disclosure.

In all the appended drawings, it should be noted that similar appended drawing reference is for describing the same or similar element, feature and knot Structure.

Specific embodiment

This public affairs for being to help comprehensive understanding and being defined by the claims and their equivalents are described below with reference to attached drawing offer The various embodiments opened.It includes the various details for helping to understand, but these are only exemplary.Therefore, ability Domain skilled artisan will realize that, can be to described herein each in the case where not departing from the scope of the present disclosure and spirit Kind embodiment makes various changes and modifications.In addition, for clarity and conciseness, it is convenient to omit to known function and structure Description.

The term and word used in the following description and claims is not limited to document meaning, but is only made by inventor With enabling to clear and consistently understand the disclosure.Therefore, it is apparent to a person skilled in the art that, provides The purpose being merely to illustrate that is described below in the various embodiments of the disclosure, rather than in order to limit by appended claims And its disclosure that equivalent limits.

It should be appreciated that singular " one ", "one" and "the" include plural object, clearly refer to unless the context otherwise Show.Thus, for example, including the reference to surface as one or more to the reference of " parts surface ".

Term " substantially ", which refers to, does not need accurately to realize the feature, parameter or value, but deviation or variation (including Such as tolerance, measurement error, measurement accuracy limit and other factors well known by persons skilled in the art) it can be to be not excluded for the spy Sign thinks that the amount of effect to be offered occurs.

By reference to the embodiment described with reference to the accompanying drawings, the aspect and feature of the disclosure and for realizing these aspects It will become obvious with the method for feature.However, the present disclosure is not limited to embodiments disclosed below, but can be with a variety of shapes Formula is realized.Item defined in specification, such as detailed structure and element are only provided to help this field common The detail of technical staff's comprehensive understanding disclosure, and the disclosure is only defined in scope of the appended claims.In In the entire description of the disclosure, identical appended drawing reference is used for identical element in different attached drawings.

This disclosure relates to Next-Generation Wireless Communication Systems, more specifically to for different with transmission to terminal distribution The method of reference signal, and for including that one or more base stations and one or more terminals are based on Wave beam forming System, the method and apparatus of cell measurement and mobile management are executed in system using the different reference signals of transmission.

In addition, this disclosure relates to exist using mutiple antennas base station and terminal wireless system in, according to condition into The measurement of traveling wave beam and the process that wave beam measurement report is carried out according to condition.

The disclosure devises information, transmission method and process, wherein there is the base station and terminal for using mutiple antennas In wireless communication system, serving BS or adjacent base station send to terminal and match for the reference signal of wave beam measurement object (terminal) Confidence breath, in the system and environment using Wave beam forming (specifically, using the Wave beam forming of mutiple antennas), to observe and survey Measure the reference signal sent from serving BS and adjacent base station.

In addition, the disclosure devises information, transmission method and process, wherein there is the base station sum for using mutiple antennas In the wireless communication system of terminal, serving BS or adjacent base station are sent to terminal for the additional of wave beam measurement object (terminal) Second reference signal configuration information, in the system and ring using Wave beam forming (specifically using the Wave beam forming of mutiple antennas) In border, if there is also additional second ginsengs other than the presence of the first reference signal sent from serving BS and adjacent base station Signal is examined, then other than substantially observing and measuring the first reference signal, also observes and measure additional second reference signal.

The prior art: traditional LTE CSI-RS configuration

The structure and element of CSI-RS config. in existing LTE standard is as follows.

Antenna port [TS36.211,6.10.5 section]

It is used for the antenna port quantity of RS Tx.

Resource [TS36.211,6.10.5.2-1 section]

RS is mapped to RE

Subframe [TS36.211,6.10.5.3-1 section]

- RS is periodical

Sub-frame offset

P-C [TS36.213,7.2.5 section]

- UE is to reference physical down link sharing channel (the physical downlink shared for CSI feedback Channel, PDSCH) send power hypothesis

The prior art: the discovery RS (discovery RS, DRS) based on traditional LTE CSI-RS is configured in existing LTE The structure and element of the DRS config. based on CSI-RS in standard is as follows.

Physical district ID

The cell for the RS/SS that-UE assumes corresponds to

Scramble ID

The parameter of pseudo-random sequence generator

Resource (=identical as RS-Config.)

Sub-frame offset

RS- is individually deviated

Independent offset to specific RS resource

In view of RS type and framework

Terminal can measure the reference signal sent by beam scanning configuration, so that base station uses different antenna configurations Alternately send wave beam.Just considered reference signal is synchronization signal and channel state information reference signals (CSI-RS), but It is not necessarily limited to this.

Fig. 1 shows the reference signal of the transmission according to the embodiment of the present disclosure.

With reference to Fig. 1, a certain reference signal (RS) may include the burst collection sent with a certain period, in corresponding burst concentration It continuously transmits or with the burst of a certain interval transmission and the block for continuously transmitting or being sent with a certain interval in corresponding burst. In this case, identical or different antenna configuration can be used to send the signal message of Wave beam forming for each piece, and It can be block, burst or burst collection for sending the unit of the beam scanning of RS by changing these wave beams.

In addition, different types of reference signal can have identical week as shown in Figure 2 in another embodiment of the present disclosure Phase, and can be sent in same time resource using different frequency bands.Even in this case, different types of ginseng Examining signal also may include continuously transmitting with the burst collection of transmission of a certain period, in corresponding burst concentration or with a certain interval hair The burst sent and the block for continuously transmitting in corresponding burst or being sent with a certain interval.In this case, each piece can Send the signal message of Wave beam forming to use identical or different antenna configuration, and for by change these wave beams come The unit for sending the beam scanning of RS can be block, burst or burst collection.

Fig. 2 shows the different types according to the block in the same time resource with different number of the embodiment of the present disclosure Reference signal.

With reference to Fig. 2, different types of reference signal can have the block of different number in same time resource.Although figure 2 show that there are the examples of two RS types 2 (RS type 2) block corresponding to a RS Class1 (RS Type 1) block, still Quantity is without being limited thereto, but can consider in various ways.

Fig. 3, which is shown, to be sent out according to the embodiment of the present disclosure in different time resource using same frequency band with the identical period The different types of reference signal sent.

With reference to Fig. 3, in another embodiment of the present disclosure, different types of reference signal can have phase as shown in Figure 3 With period, and can be sent in different times using identical frequency band in resource.Even in this case, different The reference signal of type also may include continuously transmitting or with the burst collection of transmission of a certain period, in corresponding burst concentration with certain The burst and the block for continuously transmitting in corresponding burst or being sent with a certain interval that one interval is sent.In this case, Each piece can be used identical or different antenna configuration to send the signal message of Wave beam forming, and for by changing this A little wave beams can be block, burst or burst collection to send the unit of the beam scanning of RS.

In addition, different types of reference signal can independently have a different periods and uncorrelated each other, and can be with In different times with sent in frequency resource.

Fig. 4 was shown in the resource in different times according to the embodiment of the present disclosure using same frequency band with the different periods The RS of transmission.

B. the element for RS measuring configuration from network to UE

If there is the serving BS and adjacent base station that can send different types of RS, then network can provide the terminal with Following information, to measure corresponding RS (or a certain RS).

The content to be described in the disclosure can be not limited to certain RS, but can be can be by certain RS of network configuration One of RS.The RS that can be currently considered is as follows, and but the present disclosure is not limited thereto:: synchronization signal (PSS, SSS or any its He RS), the specific RS of cell, the specific RS of wave beam, wave beam refine RS, CSI-RS, DRS and DM-RS.

ο cell information

Cell ID

ο physical district ID, logic district ID, virtual subdistrict ID

Scramble ID

The parameter of ο pseudo-random sequence generator

Cell offset

Sub-frame offset between ο serving cell and target measurement cell

Frequency shift (FS) between ο serving cell and target measurement cell

Timing slip between ο serving cell and target measurement cell

Symbol/boundary of time slot offset between ο serving cell and target measurement cell

Frequency information

Frequency channels ID, frequency ID, ARFCN, carrier wave ID, subcarrier ID ...

RS resource information

It is used for the antenna port of RS tx

ο antenna port quantity, antenna port ID ...

Resource impact information

ο is for UE to distinguish the RE for receiving specific RS

ο that is, CSI-RS to RE resource impact

The block number to happen suddenly in (Nblock)

Burst number in burst collection (Nburst)

Sub-frame information

ο is for the specified subframe comprising RS

In LTE, the subframe comprising CSI reference signal should meet >

> is with regard to the quantity of subframe, time, the quantity of symbol, the quantity of TTI, the quantity of time slot, mini time slot (mini- Slot for quantity of quantity, PDCCH TTI) etc.

Periodically

ο with regard to the quantity of subframe, the time, the quantity of symbol, the quantity of TTI, the quantity of time slot, the quantity of mini time slot, The periodicity of burst collection for quantity of PDCCH TTI etc.

ο just about the quantity of subframe, the time, the quantity of symbol, the quantity of TTI, the quantity of time slot, mini time slot number The periodicity of the burst in burst collection for amount, quantity of PDCCH TTI etc.

ο with regard to the quantity of subframe, the time, the quantity of symbol, the quantity of TTI, the quantity of time slot, the quantity of mini time slot, The periodicity of the block in burst for quantity of PDCCH TTI etc.

- RS offset (in cell, i.e., from serving cell or from Target cell)

ο CSI-RS (target RS) block is relative to the offset between SS (RS of pre-configuration) block

ο CSI-RS (target RS) happens suddenly relative to the offset between SS (RS of pre-configuration) block

ο CSI-RS (target RS) burst collection is relative to the offset between SS (RS of pre-configuration) burst

ο CSI-RS (target RS) burst collection is relative to the offset between SS (RS of pre-configuration) burst collection

The ο offset can be time migration and/or frequency shift (FS)

Other information

Instruction

ο RS information is identical with the RS of serving cell.

ο RS information can be used for L3 mobility (trigger measurement report)

(multiple) indexes from another RS

If ο network wishes a part of (one or more than one) RS of UE measurement from another RS

> should be configured with another RS to UE

> UE will be appreciated that the index of the RS in another RS

(multiple) indexes of ο can be the index of the block from another RS, burst index or burst collection index

Subframe numbers

ο is for the absolute value of given sub-frame to be used for accurate timing

The CSI-RS quantity of distribution

The size of the CSI-RS of distribution

Cell level measurement amount derives the number of beams to be considered (N)

In order to select better cell by comparing each cell, the typical value of the measured value of each cell is necessary 's.In order to export such typical value in Beam Forming System, for example, from different beams Wave beam forming and sending all N number of optimal reference signal measurements are selected in reference signal, and are obtained and met a certain condition (measured value is in optimum beam Within the offset of measured value or measured value be equal to or more than a certain absolute threshold) reference signal measured value average value, in terms of Calculate the typical value of cell.

It is as described above using one or more reference signal measured values export cell typical values in the case where, in order at To comparing, base station can transmit measuring configuration, for making terminal use calculate cell typical value using corresponding reference signal When the quantity to be considered N number of reference signal measured value measure a certain reference signal.

The RS that network can be measured by providing all or part of various information to corresponding terminal come configurating terminal, and And hereinafter, various embodiments will be described.

C. the UE measuring configuration method of network

If there is the serving BS and adjacent base station for sending the RS that terminal can receive and measure, in order to measure terminal Corresponding RS, network can provide the terminal with the RS letter by corresponding serving BS and adjacent base station transmission in accordance with the following methods Breath.

C-1, the measuring configuration (that is, RRC/MAC/PHY signaling) based on dedicated signaling

Serving BS directly provides the method for the RS information of serving cell and the Target cell to be measured to ownership terminal

Substantially, it is contemplated that the method for independently sending unicast type message to each terminal.If there is possible attached One or more terminals are bound to and are appointed as a group with adding, then are also possible to disappear to multiple terminals transmission multicast type simultaneously Breath.

As embodiment of the disclosure, base station can configure the CSI-RS based on dedicated signaling to terminal to believe for channel Breath measurement and to base station report.Corresponding CSI-RS may be only effective to particular terminal, and base station can be by selecting antenna Configuration sends power and resource to configure the particular terminal.This information can be reconfigured by various methods with RRC connection (RRCConnectionReconfiguration), the form of MAC message or PHY message is transmitted to corresponding terminal.

In above-described embodiment of the disclosure, the CSI-RS that be transmitted by the base station to terminal is only effectively to believe in the cell Breath, and can be the information for not needing to be measured or estimated by other terminals for belonging to neighboring community.Therefore, base station can be with special It signalingly include the CSI-RS of following information to terminal configuration, for measuring the channel in cell.In Multibeam synthesis In environment, CSI-RS can be designed to or even include sending each CSI-RS with different antenna configurations and different wave beams Situation.

In addition, the practical signal for considering and sending can include all or part of following configuration by sending.

CSI-RS Config.

This CSI-RS is only used in cell the indicator of (intra-cell)

If the ο indicator is closed, which is also used for minizone (inter-cell)

This CSI-RS is only to the effective indicator of particular UE

If the ο indicator is closed, which is public, and is used for nonspecific UE

The indicator that this CSI-RS is refined and dispatched for wave beam

Antenna port array, the w/ port numbers of each wave beam

Each wave beam uses the array of the quantity of antenna port

The resource array of each wave beam

Periodically

The periodicity of ο CSI-RS burst collection

ο CSI-RS burst collects the periodicity of interior CSI-RS burst

The periodicity of CSI-RS block in ο CSI-RS burst

Offset: LTE considers from SSS to CSI-RS

The w/id (index, SFN) of the original SS of ο (block/burst/burst collection)

The w/id of ο target CSI-RS type (block/burst/burst collection)

Offset of the ο from SS (block/burst/burst collection) to CSI-RS (block/burst/burst collection)

The above-mentioned offset of ο can be time migration and/or frequency shift (FS)

- CSI-RS block size

The actual size of ο CSI-RS block, for minimum unit

That is, CSI-RS block/symbol/s frame sign is relative to the ratio between symbol size.

ο CSI-RS block/symbol/s frame sign is relative to the ratio between~~~~(NR-SS) size

The bitmap of ο (..., 0.25,0.5,1,2,3 ...)

Gap between-CSI-RS block

ο has considered whether separation

ο is used for the window of CSI-RS measurement

The quantity for the CSI-RS that ο can be measured in a window

The duration of ο measurement window

-p-C

Index (or index array) from other RS wave beams

Beam information

ο wave beam ID (or SS block/burst/burst collection ID)

Note that above-mentioned " wave beam " can be replaced with CSI-RS measurement unit, such as CSI-RS block, CSI-RS burst or CSI-RS burst collection.

As another embodiment of the present disclosure, base station can configure the CSI-RS based on dedicated signaling to terminal, not only use In channel information measurement and to base station report, it is also used to adjacent cell information measurement.Corresponding CSI-RS not only may include clothes Business cell information can also include neighboring community's configuration information, and can be only effective to particular terminal.Not even for many Specified terminal, base station can also configure many unspecified terminals by selection antenna configuration, transmission power and resource. This information can be by various methods with RRC connection reconfigures (RRCConnectionReconfiguration), MAC disappears The form of breath or PHY message is transmitted to corresponding terminal.

In above-described embodiment of the disclosure, the CSI-RS for being transmitted by the base station to terminal is not only in the cell but also in phase Effective information in adjacent cell, and the terminal that can be for belonging to serving cell can be measured or estimated and be sent out by neighboring community The information of the CSI-RS sent.Therefore, if being configured with corresponding CSI-RS, terminal will be appreciated that corresponding CSI-RS includes phase Information of adjacent cells, and should be realized that it may include the additional letter for being properly received the signal sent by serving cell Breath.

For example, base station can configure the CSI-RS including following information to terminal in dedicated signaling method, for measuring Channel in cell.In Multibeam synthesis environment, CSI-RS can be designed in addition include with different antenna configuration and Different wave beams sends the case where each CSI-RS.

Cell information

Cell ID

ο physical district ID, logic district ID, virtual subdistrict ID

Scramble ID

The parameter of ο pseudo-random sequence generator

Cell offset

Sub-frame offset between ο serving cell and target measurement cell

Frequency shift (FS) between ο serving cell and target measurement cell

Timing slip between ο serving cell and target measurement cell

Frequency information

Frequency channels ID, frequency ID, ARFCN, carrier wave ID, subcarrier ID ...

Frequency shift (FS) (reference point, away from SS block/burst/burst collection) away from radio frame

Beam information

Wave beam ID (or SS block/burst/burst collection ID)

ο other information

Instruction

ο RS information is identical with the RS of serving cell.

ο RS information can be used for L3 mobility (trigger measurement report)

The quantity of CSI-RS block in-CSI-RS burst/burst collection

The quantity of CSI-RS burst in-CSI-RS burst collection

(multiple) indexes from another RS

> should be configured with another RS to UE

> UE will be appreciated that the index of the RS in another RS

Subframe numbers

ο is for the absolute value of given sub-frame to be used for accurate timing

Cell level measurement derives the number of beams to be considered (N)

For ο in order to select better cell by comparing each cell, the typical value of the measured value of each cell is necessary 's.In order to export such typical value in Beam Forming System, for example, from different beams Wave beam forming and sending all N number of optimal reference signal measurements are selected in reference signal, and are obtained and met a certain condition (measured value is surveyed in optimum beam Within the offset of magnitude or measured value be equal to or more than a certain absolute threshold) reference signal measured value average value, with calculate The typical value of cell.

ο it is as described above using one or more reference signal measured values export cell typical values in the case where, in order to In pairs relatively, base station can transmit measuring configuration, for making terminal use calculate cell representative using corresponding reference signal The quantity to be considered when value N number of reference signal measured value measures a certain reference signal.

Hereinafter, the RS for using pre-existing RS (synchronization signal (SS)) and to be configured will be described with reference to the drawings (CSI-RS) method for deviating more accurately and more easily to distribute the RS resource to be configured between.

Fig. 5 A, Fig. 5 B and Fig. 5 C show according to the disclosure various embodiments when the CSI-RS to be configured with it is pre-existing SS correlation when resource allocation methods

With reference to Fig. 5 A, Fig. 5 B and Fig. 5 C, it can be seen that if the CSI-RS to be configured is related to pre-existing SS, Offset can be used rather than specific subframe numbers are easily performed this resource allocation.Corresponding CSI-RS configuration information can To be present in the broadcast channel shown (PBCH) or be present in a certain control channel/data channel specified by PBCH (PDCCH/PDSCH) in, and terminal can be sent to by the signal of such as PHY/MSC/RRC/RLC.

In addition, corresponding CSI-RS configuration information is divided, and part of it can reside in PBCH, and it is another A part can reside in a certain control channel/data channel (PDCCH/PDSCH) specified by PBCH.In addition, its is another Part can be sent to terminal by the signal of such as PHY/MSC/RRC/RLC.

Fig. 5 A is shown for distributing the method for CSI-RS burst collection resource, for based on SS to offset based on SS burst collection It happens suddenly and distributes the method for CSI-RS burst resource to offset and the side for distributing CSI-RS block resource to offset based on SS block Method.

Fig. 5 B show for based on SS burst collection to the time and frequency shift distribution CSI-RS burst collection resource method, For being happened suddenly based on SS to the method for time and frequency shift distribution CSI-RS burst resource and for being based on SS block to the time With the method for frequency shift (FS) distribution CSI-RS block resource.Corresponding attached drawing shows to distribute in resource at the same time and account for With the method for the CSI-RS resource of different frequency.

Fig. 5 C, which is shown, distributes different CSI-RS resource methods to the time and frequency shift based on CSI-RS.It is corresponding attached Show the method that the distribution in resource at the same time occupies the CSI-RS resource of different frequency.

Embodiment 1

CSI-RS config. can be following sequence of all or part of form.

Intra-cellUseInd BOOLEAN,

Indicate whether corresponding CSI-RS is exclusively used in cell and whether it can be used for switching between cell

PhysCellID INTEGER (0 ... N_pcid),

Belong to the cell ID of corresponding CSI-RS

AntennaPortsCount ENUMERATED { an1, an2, an4, an8, an16 ... N_ancnt },

Corresponding CSI-RS transmission antenna port configuration

ResourceConfigList ResourceConfigList,

The transfer resource position (list) of corresponding CSI-RS

SubframeConfigList SubframeConfigList,

The transmission subframe position (list) of corresponding CSI-RS

FreqConfigList FreqConfigList,

The transmission frequency and sub-carrier positions (list) of corresponding CSI-RS

For example, it may mean that the relative time-intervals between (multiple) NR-SS in subframe/time slot/symbol, wherein Subframe/time slot/the symbol includes same or similar using the antenna configuration structure used with base station when sending corresponding CSI-RS Configuration structure send PBCH.

TimeOffset INTEGER (0 ... N_to),

Corresponding CSI-RS transmission subframe/time slot/symbol and (PBCH- belongs to terminal or surveyed by terminal with corresponding config. Amount) relative time-intervals between relevant NR-SS

FrequencyOffset INTEGER (- Nfo1 ... N_fo2),

Corresponding CSI-RS transmission subframe/time slot/symbol and (PBCH- belongs to terminal or surveyed by terminal with corresponding config. Amount) and the relevant NR-SS of subcarrier spacing between relative frequency

Periodicity INTEGER (0 ... N_prd),

Corresponding CSI-RS transmission period (identical next CSI-RS transmission scheduling time)

P-C INTEGER (- N_negpc ... N_pospc),

UE sends the hypothesis of power to the reference PDSCH for CSI feedback

MeasUnit INTEGER (0 ... N_munit),

Corresponding CSI-RS measurement unit (time slot, symbol, subframe, subsymbol, mini time slot ...)

Ratio instruction: can be expressed as the multiple with minimum unit, or be expressed as and reference units (NR-SS Size) ratio

Indicator instruction:: the indicator expression that can be mapped in 1:1 in each measurement unit

NumberofmeasUnits INTEGER (0 ... N_munits),

Need measurement and CSI-RS units relevant to reference NR-SS

MeasGap INTEGER (0 ... N_mgap),

Need the interval between measurement and CSI-RS relevant to reference NR-SS

MeasWindow INTEGER (0 ... N_mwindow),

Total CSI-RS time of measuring relevant to reference NR-SS

csi-rs-IDList CSI-RS-IDList

Corresponding CSI-RS ID list (wave beam ID list, scrambling id list)

QCL-ID

In the ID of specific QCL of the wherein corresponding CSI-RS with QCL

QCL is the abbreviation of quasi- same position (quasi co-location), and indicates certain between two unlike signals Feature is mutually the same (or being almost similar)." time QCL " indicates that time synchronization is mutually the same (or being almost similar), " frequency QCL " Indicate that Frequency Synchronization is mutually the same (or being almost similar), and " space QCL " instruction transmission/receiving direction is similar to each other.It can be false Setting tool has transmission/receiving end use of two unlike signals of same time, frequency and space QCL to be present in same, physical And configuration and the wave beam of the directional aerial with the same direction, and in the disclosure, QCL is defined as that identical wave can be used Correlation between beam transmission/received signal.

QCLed-NR-SS-ID

Corresponding CSI-RS is the ID (NR-SS block index) with the specific NR-SS of QCL.It has been configured with corresponding The terminal of CSI-RS, which can be used, to be received wave beam and receives corresponding CSI-RS, wherein the reception wave beam for measure with There is optimum performance in the reception wave beam of the consistent NR-SS of QCLed-NR-SS-ID (block, burst and burst collection).In this way Operation, terminal repeatedly receives CSI-RS while changing and receiving wave beam, is omitted and is searched through it and can receive most preferably The operation for receiving wave beam and receiving CSI-RS performance of CSI-RS, and the terminal beams that can be used for receiving NR-SS are vertical Find best CSI-RS performance.In this way, terminal can reduce power consumption and measurement delay.

QCLed-CSI-RS-ID

Corresponding CSI-RS is the ID with the specific QCLed-CSI-RS of QCL.It has been configured with corresponding CSI-RS's Terminal, which can be used, receives wave beam to receive corresponding CSI-RS, and wherein the reception wave beam is for measurement and QCLed-CSI- There is optimum performance in the reception wave beam of the consistent QCLed-CSI-RS of RS-ID.Operation in this way, terminal connect in change CSI-RS is repeatedly received while receiving wave beam, is omitted and is searched through its reception wave beam that can receive best CSI-RS and reception The operation of CSI-RS performance, and the terminal beams that can be used for receiving QCLed-CSI-RS immediately find best CSI-RS Performance.In this way, terminal can reduce power consumption and measurement delay.

Num-CSI-RS-per-NR-SS

The quantity of CSI-RS wave beam relevant to QCLed NR-SS.

The wave beam of corresponding number may be used as following example to find the timing of CSI-RS.

Sense the reference point timing for the CSI-RS to be sent after the offset away from QCLed NR-SS.

The CSI-RS that it is Num-CSI-RS-per-NR-SS from its quantity of corresponding reference point that terminal, which can be identified, with One NR-SS is associated with QCL.Using the information, terminal can be appreciated that base station for sending the antenna of corresponding CSI-RS Configuration structure and direction with for sending a NR-SS antenna configuration structure and direction it is same or similar, and even if do not have Other information, terminal is it is also contemplated that with the associated this CSI-RS and NR-SS of QCL between this CSI-RS and NR-SS.This Kind is associated with and can be realized by only providing three kinds of digital informations, such as starting symbol of CSI-RS index, Num-CSI-RS-per- The starting symbol of NR-SS and the starting symbol of NR-SS index, and terminal can easily grasp what CSI-RS and corresponding NR- SS is associated with QCL.For example, since indexing starting symbol, it can be according to the quantity of Num-CSI-RS-per-NR-SS to CSI- RS is grouped, and each group associated with QCL with a NR-SS index.

Numerology-ID

Send the ID of the numerology of corresponding CSI-RS.

NR-SS ID or CSI-RS ID can be replaced with the parameter for the ID for calling a certain other reference signal RS.

Embodiment 2:

CSI-RS config. can be following sequence of all or part of form.

CSI-RS-ID

Corresponding CSI-RS ID (wave beam ID, scrambling ID)

QCL-ID

In the ID of specific QCL of the wherein corresponding CSI-RS with QCL

QCLed-NR-SS-ID

QCLed-CSI-RS-ID

Numerology-ID

Send the ID of the numerology of corresponding CSI-RS.

Embodiment 3:

CSI-RS config. can be following sequence of all or part of form.

NR-SS-based-time-offset

Deviant when if the timing of corresponding CSI-RS is the corresponding offset away from specific NR-SS.

Here, specific NR-SS is the NR-SS for having QCL in wherein corresponding CSI-RS, and this information can lead to The observation for crossing terminal is implicitly known, or can be explicitly included in the QCLed-NR-SS-ID to be sent.

NR-SS-offset-indicator

The time migration for indicating corresponding CSI-RS is the indicator of the offset away from the specific NR-SS with QCL.If It is that really, the timing of corresponding CSI-RS corresponds to the offset away from the specific NR-SS for having QCL relationship with corresponding CSI-RS, And if it is vacation, the timing of corresponding CSI-RS corresponds to the offset away from frame boundaries (radio frame, time slot, symbol ...) Value.

CSI-RS-RE-mapping

The index for the mapping ruler for being able to know that corresponding CSI-RS for searching for the RE sent.If in standard Specific method (table) is specified, then terminal and base station can be indexed by exchange successfully and efficiently shares mapping.

Periodicity-ID

The wherein index or the actual value in period of corresponding CSI-RS instruction repetition period.

Embodiment 4:

CSI-RS config. can be following sequence of all or part of form.

Above-described embodiment, which corresponds to, is wherein sending the maximum public affairs that each CSI-RS resource has from cell config. The example for the independent information that co-information and in the form of a list offer only each CSI-RS have.

Embodiment 5: all resource information transfers

According to the embodiment of the disclosure, when base station configurating terminal is to observe CSI-RS, the resource quilt of all CSI-RS It is separately configured.

The transmission of connection relationship of the embodiment 6 based on NR-SS

When configurating terminal is to observe CSI-RS, base station can make terminal refer to RS (NR-SS or CSI- according to a certain RS, hereinafter referred to as NR-SS) correlation identify the resource of corresponding RS (hereinafter referred to as CSI-RS).In the reality of the disclosure It applies in example, configures relative to all CSI-RS with reference to NR-SS with same offset, it is related to specific CSI-RS without notifying Reference NR-SS ID.In the corresponding embodiment of the disclosure, Fig. 5 A shows correlation.

The terminal of received (configuration) CSI-RS config. can rest in using when the embodiment relative to right Cell that the CSI-RS answered is configured to and the rule for configuring one or more CSI-RS.In this case, one or more CSI-RS can be by public information (NR-SS, scrambling ID, numerology and antenna port in period, QCL relationship) and independent information (CSI-RS transmission position and antenna port) composition.Terminal can grasp independent information with reference configuration information, or can lead to The a certain operation using the parameter provided from configuration information is crossed to distinguish and receive each CSI-RS.As showing for this operation Example, terminal can grasp and measure using the following method the position CSI-RS.

1) the CSI-RS transmission reference point that (time/frequency) is deviated with the interval NR-SS one of measurement is grasped

2) necessity for receiving from corresponding reference point and there is a CSI-RS of measUnit size is grasped

3) necessity for receiving numberofmeasUnits CSI-RS in total is grasped

4) measGap between each CSI-RS is grasped

5) each CSI-RS ID is grasped from csi-rs-IDList

6) re-transmission of each CSI-RS in same frequency resources, carrying out with period unit is rested in

The transmission of connection relationship of the embodiment 7 based on NR-SS

When configurating terminal is to observe CSI-RS, base station can make terminal refer to RS (NR-SS or CSI- according to a certain RS, hereinafter referred to as NR-SS) correlation identify the resource of corresponding RS (hereinafter referred to as CSI-RS).In the reality of the disclosure It applies in example, is configured in one-to-many mode relative to all one or more CSI-RS with reference to NR-SS with same offset, and ID with reference to NR-SS relevant to specific CSI-RS is not notified.In the corresponding embodiment of the disclosure, Fig. 5 B and 5C show phase Guan Xing.

Embodiment 8: configurating terminal is worked as in the transmission of the connection relationship based on NR-SS and the NR-SS ID with the connection relationship When observing CSI-RS, base station can make terminal according to a certain with reference to RS (NR-SS or CSI-RS, hereinafter referred to as NR-SS) Correlation identifies the resource of corresponding RS (hereinafter referred to as CSI-RS).In the embodiment of the disclosure, pass through notice and spy The relevant ID with reference to NR-SS of CSI-RS is determined to configure relative to multiple one or more with reference to NR-SS with different offsets CSI-RS.In the corresponding embodiment of the disclosure, Fig. 5 B and 5C show correlation.

The terminal that the information has been received can specify CSI-RS resource from the NR-SS with NR-SS ID, and The UE Rx wave beam when receiving corresponding NR-SS with optimum performance can be used to receive CSI- relevant to corresponding NR-SS RS。

Fig. 6 shows the resource when the CSI-RS to be configured is related to pre-existing SS according to the embodiment of the present disclosure Distribution method.

With reference to Fig. 6, it can be seen that if the CSI-RS to be configured is related to pre-existing SS, offset can be used Rather than specific subframe numbers are easily performed this resource allocation.

Corresponding CSI-RS configuration information can reside in the PBCH shown) in or be present in by PBCH) it is specified a certain In control channel/data channel (PDCCH/PDSCH), and it can be sent to by the signal of such as PHY/MSC/RRC/RLC Terminal.

In addition, corresponding CSI-RS configuration information is divided, and part of it can reside in PBCH) in, and its Another part can reside in by PBCH) in specified a certain control channel/data channel (PDCCH/PDSCH).In addition, it is again A part can be sent to terminal by the signal of such as PHY/MSC/RRC/RLC.

Fig. 6 is shown for being happened suddenly based on SS to the method for offset distribution CSI-RS burst collection resource, for based on SS block To the method for deviating distribution CSI-RS burst collection resource and for distributing the side of burst resource CSI-RS to offset based on SS block Method.

Fig. 7 shows the resource when the CSI-RS to be configured is related to pre-existing SS according to the embodiment of the present disclosure Distribution method.

With reference to Fig. 7, it can be seen that if the CSI-RS to be configured is related to pre-existing SS, offset can be used Rather than specific subframe numbers are easily performed this resource allocation.

Corresponding CSI-RS configuration information can reside in the PBCH shown or be present in a certain control specified by PBCH In channel/data channel (PDCCH/PDSCH) processed, and end can be sent to by the signal of such as PHY/MSC/RRC/RLC End.

Fig. 7 is shown for distributing the method for CSI-RS burst resource, for prominent based on SS to offset based on SS burst collection Side of the hair collection to the method for offset distribution CSI-RS block resource and for being happened suddenly based on SS to offset distribution CSI-RS block resource Method.

Using the offset above with reference to described in Fig. 5 A to Fig. 5 C, Fig. 6 and Fig. 7, base station can with following methods to terminal (or Multiple terminals) distribution CSI-RS resource.

1. the instruction (block=2=1, SS that is,=0, SS of SS burst collection happens suddenly) of the RS type of pair reference+deviate (subframe/when Gap/symbol quantity, time, frequency ...)

Using this option, UE can based on reference to RS detect CSI-RS block/burst/burst collection.

Using this option, UE is known that the CSI-RS of specific resources will be sent out by wave beam identical with the RS of reference It send.

2. the instruction of the specific resources (collection/burst/block reference point resource that is, SS happens suddenly) of the RS type of pair reference+ It deviates (subframe/time slot/symbol quantity, time, frequency ...)

Using this option, UE can based on reference to resource location detect CSI-RS block/burst/burst collection.

Using this option, UE is known that the CSI-RS of specific resources will be sent by wave beam identical with the RS of reference

That is, CSI-RS also will be after reference resources in same beam even if reference resources are in the centre of the RS of reference It sends.

Using this option, network can only distribution portion reference RS as CSI-RS.

3. the instruction of the specific resources (collection/burst/block reference point resource that is, SS happens suddenly) of the RS type of pair reference+ Deviate the end of (subframe/time slot/symbol quantity, time, frequency ...)+CSI-RS resource

4. the instruction (block=2=1, SS that is,=0, SS of SS burst collection happens suddenly) of the RS type of pair reference+to the finger of CSI-RS Show (that is, CSI-RS burst collection=0, CSI-RS burst block=2=1, CSI-RS)+offset (subframe/time slot/symbol quantity, when Between, frequency ...)

5. the instruction of the specific resources (collection/burst/block reference point resource that is, SS happens suddenly) of the RS type of pair reference+ To the instruction of the RS type of reference (block=2=1, SS that is,=0, SS of SS burst collection happens suddenly)+to the instruction of CSI-RS (that is, CSI- RS burst collection=0, CSI-RS burst block=2=1, CSI-RS)+offset (subframe/time slot/symbol quantity, time, frequency Rate ...)+CSI-RS resource end

Using this option, network can distribute only with reference to RS a part as CSI-RS.

C-2, the measuring configuration (primary system information, system information, broadcast singal, multicast signals ...) based on broadcast singal

A kind of base station to many unspecified terminals provide the RS information of the respective cells to be measured as broadcast channel or The method of broadcast singal.

In embodiment of the disclosure, terminal can match in a certain broadcast channel or broadcast message to be sent including RS Confidence breath.

It can be a part of each information as described above including the CSI-RS information in the correspondence message to be sent.

Fig. 8, Fig. 9 and Figure 10, which are shown, configures CSI- using offset according to the PBCH of the various embodiments of disclosure burst collection RS burst collection, burst and block.

With reference to Fig. 8, Fig. 9 and Figure 10, if the CSI-RS to be configured in a certain broadcast channel and corresponding broadcast channel Related (for example, if sent with identical wave beam or if occupy the resource block with same size), can be used partially It moves rather than specific subframe numbers are easily performed this resource allocation.

Fig. 8 can show PBCH block and configure CSI-RS burst collection, burst and block using offset.

Fig. 9 can show PBCH burst and configure CSI-RS burst collection, burst and block using offset.

Figure 10 can show PBCH burst collection and configure CSI-RS burst collection, burst and block using offset.

In this case, terminal and base station (according to standard) can acquiescently know corresponding configuration resource use with The wave beam of the identical base station PBCH, or provide indicator and base station can be general by corresponding indicator (for example, 1 bit) Know that corresponding configuration resource uses the wave beam of base station identical with PBCH everywhere.

In addition, PDSCH is the signal continuously transmitted in the cell with short cycle, and for power saving, it may be every time It does not include corresponding CSI-RS.In this case, whether corresponding PDSCH includes that CSI-RS can be by PBCH to be sent to 1 bit indicates.

If power is saved in plan to the maximum extent, PBCH may include minimal information needed for CSI-RS detection, such as Offset, and can not include other information.

Figure 11 A and Figure 11 B show base station according to various embodiments of the present disclosure and occupy down-chain resource to use Broadcast channel sends for the configuration information of CSI-RS measurement and is used for by corresponding down-chain resource to terminal transmission The configuration information of CSI-RS measurement.

With reference to Figure 11 A, base station can occupy down-chain resource, be used for CSI-RS for sending using a certain broadcast channel The configuration information of measurement, and the information configuration of CSI-RS measurement can will be used for by corresponding down-chain resource to many Unspecified terminal (or particular terminal).

It may include instruction control channel or data channel (PDCCH/PDSCH), resource scheduling information and right in PBCH The resource (PDCCH/PDSCH) answered includes a certain indicator of CSI-RS distribution information.

With reference to Figure 11 B, frame structure and process, in public information and the use for wherein configuring CSI-RS by broadcast channel Dedicated PHY/MAC/RLC/RRC signal configures the details of CSI-RS, and both information of terminal combinations measure CSI-RS。

According to embodiment shown in Figure 11 B, network provides the public information that CSI-RS resource has by broadcast channel, and And detailed CSI-RS resource configuration information is provided using special signal PHY/MAC/RLC/RRC.In the corresponding real of the disclosure It applies in example, provides the offset between NR-SS and CSI-RS burst (or burst collects) using PBCH, and detailed CSI-RS is measured Unit, quantity and CSI-RS transmission antenna port information are provided as special signal.

Network even can will be according to the not any of above-described embodiment by broadcast channel, control channel or data channel CSI-RS configuration information disperses terminal, and the information of dispersion is supplied to terminal.

C-3, the measuring configuration based on self-discovery signal

A kind of base station, which does not pass through signal, transmits to many unspecified terminals and provides the RS information for the respective cells to be measured, But the method that terminal itself uses the discovery measuring configuration of method specified in standard.

As embodiment of the disclosure, if it find that a certain RS, terminal itself can be found that and measure CSI-RS resource.

1. fixed offset is standardized, according to SS block/burst/burst collection resource discovering CSI-RS block/burst/burst collection.

Figure 12 is the terminal for configuring, being configured according to the RS to terminal of serving BS shown according to the embodiment of the present disclosure RS measurement and terminal condition come report measurement results method flow chart.

With reference to Figure 12, can observe serving BS to the RS measurement of the different RS configurations of terminal, the terminal configured with And it is reported according to the measurement result of the condition of terminal.Can be seen that from Fig. 5 A to Fig. 5 C can be in operation S1201 serving BS Measurement purpose and different RS information is configured to terminal, send measurement report (measurement further, it is also possible to configure Report, MR) condition.As configured, terminal attempts the measurement of different RS in operation S1202, in operation S1203 observation The condition of measurement report is sent as configured, and if meeting the condition, in operation S1204 report measurement results.

Measurement report or 2 configuration request message of RS type may include the measurement result to the RS configured, corresponding survey Amount result is managed by measurement object ID, and both base station and terminal can identify that measurement result is to be directed to by corresponding ID What RS's.

Figure 13 is shown and the information according to the embodiment of the present disclosure and serving BS to terminal configuration about different RS The relevant embodiment of situation.

With reference to Figure 13, in operation S1301, serving BS configures the information about different RS to terminal.S1302 is being operated, It has been configured with continuous relative to serving cell and neighboring community essentially for a RS about the terminal of the information of different RS It executes measurement (RS Class1, i.e. synchronization signal), and if meeting a certain condition (condition _ type 2) in operation S1303, S1304 is operated, in addition terminal executes the measurement of different types of RS type 2.

As can be seen from Figure 13, serving BS can configure different RS information to terminal to measure purpose, and A certain condition (condition _ type 2) can also be configured for executing the measurement to different types of RS.Further, it is also possible to configure use In the condition for sending measurement report (hereinafter referred to as MR).Condition _ type 2 can be identical or different with condition _ MR, and can make The detailed conditions of the condition _ type 2 are sent with the type of existing LTE A1 to A6.

It can be by including a certain instruction (that is, instruction _ condition _ type to the measuring configuration of RS type 2 (that is, CSI-RS) 2) Lai Tongzhi terminal includes condition _ type 2, and if such instruction and condition are included, if condition is satisfied, Then terminal can measure corresponding RS.

In addition, in embodiment of the disclosure, if without condition _ type 2, and although have been carried out for RS class The measuring configuration of type 2 (that is, CSI-RS), but the measurement report trigger event for corresponding to RS is not specified, if root It is satisfied according to a certain condition of the condition of terminal itself (condition _ type 2), then terminal can execute the measurement to RS type 2.

In operation S1305, terminal attempts the measurement to difference RS as configured, as configured based on measurement result observation Transmission measurement report condition, and if meeting the condition, in operation S1306 report measurement results.

Measurement report or 2 configuration request message of RS type may include the measurement result to the RS configured, and corresponding Measurement result managed by measurement object ID, and base station and terminal both can by corresponding ID identify measurement result be For what RS's.

If there is one or more other RSs relevant to corresponding RS (for example, NR-SS) QCL, then base station can be to Terminal configures corresponding RS as RS type 2, and can request to measure.

Figure 14 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition.

With reference to Figure 14, in operation S1401, serving BS configures the information about RS Class1 to terminal.S1402 is being operated, It has been configured with and has connected essentially for corresponding RS relative to serving cell and neighboring community about the terminal of the information of RS Class1 It executes continuously measurement (RS Class1, i.e. synchronization signal), and if meeting a certain condition (condition _ type 2) in operation S1403, Then in operation S1404, terminal executes the uplink transmission including the report of RS Class1 measurement result or 2 configuring request of RS type.

Measurement report or 2 configuration request message of RS type may include the measurement result to the RS type 2 configured, corresponding Measurement result managed by measurement object ID, and base station and terminal both can by corresponding IE identify measurement result be For what RS's.

If there is one or more other RSs (for example, CSI-RS) relevant to corresponding RS (for example, NR-SS) QCL, Then base station can configure corresponding RS as RS type 2 to terminal, and can request to measure.

It is seen from figure 14 that in step 1405, serving BS can for corresponding terminal configure a certain RS (type 2, That is, CSI-RS) purpose and relative to the measurement result to specific RS (Class1, that is, synchronization signal) to the terminal configure it is a certain Condition (condition _ type 2).Further, it is also possible to be configured to send the condition of measurement report (hereinafter referred to as MR).Condition _ type 2 Can be identical or different with condition _ MR, and the type of existing LTE A1 to A6 can be used to send the condition _ type 2 Detailed conditions.

If meeting condition _ type 2, terminal can send the measurement report (RRC/MAC/PHY message) to RS Class1, Or configuration request message (RRC/MAC/PHY message) to RS type 2 can be sent.If it would be possible, from terminal RS type 2 can be allocated to corresponding terminal by the serving BS for receiving report or request message, allow terminal opposite Measurement or report are executed in corresponding RS.

In addition, in embodiment of the disclosure, if there is no condition _ type 2, and being carried out not yet to RS type 2 The measuring configuration of (that is, CSI-RS), then in a certain situation of expected performance gain, if a certain according to the condition of terminal itself Condition (condition _ type 2) is satisfied, then terminal can request the configuration of RS type 2.

RS type 2 may include adjacent cell information or only service cell information.

Terminal attempts the measurement of difference RS as configured in operation S1406, is observed in operation S1407 based on measurement result The condition of measurement report is sent as configured, and if meeting condition, in operation S1408 report measurement results.

Figure 15 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition.

With reference to Figure 15, in operation S1501, serving BS configures the information about RS Class1 to terminal.S1502 is being operated, Be configured with terminal about the information of RS Class1 essentially for corresponding RS (RS Class1, i.e. synchronization signal) relative to Serving cell and neighboring community are consecutively carried out measurement, and if meeting a certain condition (condition _ type 2) in operation S1503, Then in operation S1504, terminal directly executes the uplink including the report of RS Class1 measurement result or 2 configuring request of RS type Transmission.

It can be seen from fig. 15 that serving BS can be to configure a certain RS (type 2, that is, CSI-RS) to corresponding terminal Purpose and relative to the measurement result to specific RS (Class1, i.e. synchronization signal) to the terminal configure a certain condition (condition _ Type 2).Further, it is also possible to be configured to send the condition of measurement report (hereinafter referred to as MR).Condition _ type 2 can be with item Part _ MR is identical or different, and the type of existing LTE A1 to A6 can be used to send the detailed item of the condition _ type 2 Part.

If meeting condition _ type 2, terminal can send the measurement report (RRC/MAC/PHY message) to RS Class1, Or configuration request message (RRC/MAC/PHY message) to RS type 2 can be sent.

If it would be possible, RS type 2 can be matched from the serving BS that terminal receives report or request message It sets to corresponding terminal, terminal is allowed to execute measurement or report relative to corresponding RS.

If the RS type 2 by adjacent certain base station (or multiple base stations) is also needed to be configured to corresponding terminal, grasping Make S1505, the result as the condition (condition _ type 2) according to configuration has received uplink signal transmission from terminal Serving BS can request adjacent base station by RS type 2 be directly configured to corresponding terminal (by X2 interference, internet or certain One wired backhaul).The 2 configuring request signal of RS type that adjacent base station is sent to from serving BS may include that can configure The resource information (frequency, time, antenna, beam information and offset) of corresponding RS type 2, (Termination ID, terminal make end message With frequency, time, antenna, beam information and offset) and service cell information (serving cell ID, frequency of use, the time, antenna, Beam information and offset).

In operation S1505, if it is possible, can from the adjacent target base station that serving Base Station requests configure corresponding RS type 2 Corresponding RS is configured to corresponding terminal, and corresponding configuration information can be transmitted to service base in operation S1506 It stands.Configuration information may include can configure corresponding RS type 2 resource information (frequency, the time, antenna, beam information and Offset), end message (Termination ID, terminal frequency of use, time, antenna, beam information and offset) and configuration Target cell believe It ceases (cell ID, frequency of use, time, antenna, beam information and offset).

In operation S1507, the serving BS that the configuration information of corresponding RS type 2 is received from target BS can be with To the RS type 2 of terminal configuration services base station and target BS.

As configured, terminal attempts the measurement of the different RS of different community in operation S1508, is based in operation S1509 Measurement result observation sends the condition of measurement report as configured, and if meeting condition, surveys in operation S1510 report Measure result.

Figure 16 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition.

With reference to Figure 16, in operation S1601, serving BS configures the information about RS Class1 to terminal.S1602 is being operated, Be configured with terminal about the information of RS Class1 essentially for corresponding RS (RS Class1, i.e. synchronization signal) relative to Serving cell and neighboring community are consecutively carried out measurement, and if meeting a certain condition (condition _ type 2) in operation S1603, Then in operation S1604, terminal executes the uplink including 2 configuring request of RS type relative to serving cell and target BS and passes It is defeated.

As can be seen from Figure 16, in operation S1605, serving BS can be to configure a certain RS (type to corresponding terminal 2, that is, CSI-RS) purpose and configure certain to the terminal relative to the measurement result to specific RS (Class1, that is, synchronization signal) One condition (condition _ type 2).In addition, can also be configured to send the item of measurement report (hereinafter referred to as MR) in operation 1606 Part.Condition _ type 2 can be identical or different with condition _ MR, and the type of existing LTE A1 to A6 can be used to send The detailed conditions of the condition _ type 2.

If the RS type 2 by adjacent certain base station (or multiple base stations) is also needed to be configured to corresponding terminal, conduct According to the condition (condition _ type 2) of configuration as a result, can from the serving BS that terminal receives uplink signal transmission To request adjacent base station that RS type 2 is directly configured to corresponding terminal (by X2 interference, internet or a certain wire-line back haul chain Road).The 2 configuring request signal of RS type that adjacent base station is sent to from serving BS may include that can configure corresponding RS type 2 resource information (frequency, time, antenna, beam information and offset), end message (Termination ID, terminal frequency of use, the time, Antenna, beam information and offset) and service cell information (serving cell ID, frequency of use, the time, antenna, beam information and partially It moves).

In addition, if also needing the RS type 2 by adjacent certain base station (or multiple base stations) to be configured to corresponding terminal, then In operation S1607, as according to the condition (condition _ type 2) of configuration as a result, having received uplink signal from terminal The adjacent base station of transmission can transmit corresponding configuration information by downlink transmission (Msg2 or Msg4), which can To include the resource information (frequency, time, antenna, beam information and offset) that can configure corresponding RS type 2, end message (Termination ID, terminal frequency of use, time, antenna, beam information and offset) and service cell information (serving cell ID, make With frequency, time, antenna, beam information and offset), wherein corresponding base station can send the RACH's sent by counterpart terminal Send in the process or using other down-chain resources that can be sent to counterpart terminal the downlink transmission (Msg2 or Msg4)。

The serving BS that the configuration information of corresponding RS type 2 has been received from target BS can be configured to terminal to be taken The RS type 2 of business base station and target BS.

As configured, terminal operation S1608 attempt different community different RS measurement, operation S1609 according to Measurement result observation sends the condition of measurement report as configured, and if meeting the condition, in operation S1610 report Measurement result.

Figure 17 is the feelings with serving BS to terminal configuration about the information of RS Class1 shown according to the embodiment of the present disclosure The flow chart of the relevant embodiment of condition.

With reference to Figure 17, in operation S1701, serving BS configures the information about RS Class1 to terminal.S1702 is being operated, Be configured with terminal about the information of RS Class1 essentially for corresponding RS (RS Class1, i.e. synchronization signal) relative to Serving cell and neighboring community are consecutively carried out measurement, and if meeting a certain condition (condition _ type 2) in operation S1703, Then in operation S1704, terminal executes the uplink including 2 configuring request of RS type relative to serving cell and target BS and passes It is defeated.

As can be seen from Figure 17, in operation S1705, serving BS can be to configure a certain RS (type to corresponding terminal 2, i.e. CSI-RS) purpose and relative to the measurement result to specific RS (Class1, i.e. synchronization signal) to the terminal configure it is a certain Condition (condition _ type 2).Further, it is also possible to be configured to send the condition of measurement report (hereinafter referred to as MR).Condition _ type 2 Can be identical or different with condition _ MR, and the type of existing LTE A1 to A6 can be used to send the condition _ type 2 Detailed conditions.

If meeting condition _ type 2, terminal can send the measurement report (RRC/MAC/PHY message) to RS Class1, Or configuration request message (RRC/MAC/PHY message) to RS type 2 can be sent.If it would be possible, from terminal RS type 2 can be allocated to corresponding terminal by the serving BS or a certain adjacent base station for receiving report or request message, be made Measurement or report can be executed relative to corresponding RS by obtaining terminal.

Here, terminal can send the measurement report (RRC/MAC/PHY message) to RS Class1, or can send pair The configuration request message (RRC/MAC/PHY message) of RS type 2.In addition, terminal can send including from adjacent base station receive and 2 configuration request message of RS type of the RS metrical information of the pre-configuration of measurement, for example, SS wave beam/block/burst/burst collection ID.In It operates S1706 and random access procedure can be used to send from 2 solicited message of RS type that terminal is sent to adjacent base station, and If can be defined by a certain uplink channel that the terminal of a certain adjacent networks is sent, the uplink of definition can be used Link channel sends 2 solicited message of RS type.

In addition, in embodiment of the disclosure, if there is no condition _ type 2, and being carried out not yet to RS type 2 The measuring configuration of (that is, CSI-RS), then in a certain situation of expected performance gain, if a certain according to the condition of terminal itself Condition (condition _ type 2) is satisfied, then terminal can send measurement report to serving BS or adjacent base station or RS type 2 is matched Set request.

In addition, if the RS type 2 by adjacent certain base station (or multiple base stations) is also needed to be configured to corresponding terminal, Then as according to the condition (condition _ type 2) of configuration as a result, having received the adjacent of uplink signal transmission from terminal Base station can by RS type 2 configure provide corresponding terminal directly belonging to serving BS (by X2 interface, internet or certain One wired backhaul).The 2 configuring request signal of RS type that adjacent base station is sent to from serving BS may include that can configure The resource information (frequency, time, antenna, beam information and offset) of corresponding RS type 2, (Termination ID, terminal make end message With frequency, time, antenna, beam information and offset) and service cell information (serving cell ID, frequency of use, the time, antenna, Beam information and offset).

In addition, if the RS type 2 by adjacent certain base station (or multiple base stations) is also needed to be configured to corresponding terminal, Then as according to the condition (condition _ type 2) of configuration as a result, having received the adjacent of uplink signal transmission from terminal Base station can by RS type 2 configure provide corresponding terminal directly belonging to serving BS (by X2 interface, internet or certain One wired backhaul).The 2 configuring request signal of RS type that serving BS is sent to from adjacent base station may include that can configure The resource information (frequency, time, antenna, beam information and offset) of corresponding RS type 2, (Termination ID, terminal make end message With frequency, time, antenna, beam information and offset) and service cell information (serving cell ID, frequency of use, the time, antenna, Beam information and offset).

If it would be possible, in operation S1707, serving BS requests the phase that corresponding RS type 2 configures to it Corresponding RS can be configured to corresponding terminal by adjacent target BS, and corresponding configuration information can be transmitted to service base It stands.The configuration information to be sent may include resource information (frequency, time, antenna, the wave that can configure corresponding RS type 2 Beam information and offset), end message (Termination ID, terminal frequency of use, time, antenna, beam information and offset) and configuration Target cell information (serving cell ID, frequency of use, time, antenna, beam information and offset).

In operation S1708, the serving BS that the configuration information of corresponding RS type 2 is received from target BS can be with To the RS type 2 of terminal configuration services base station and target BS.

As configured, terminal attempts the measurement of the different RS of different community in operation S1709, is based in operation S1710 Measurement result observation sends the condition of measurement report as configured, and if meeting the condition, in operation S1711 report Measurement result.

Can to user configuration have identical or different feature, resource, wave beam and purpose different CSI-RS.

Use the measurement report of the measured value trigger event of different RS

Event-NR1

Event-NR2

Following table is and preferably to understand that the content of following table is interconnected to explain the description for being based on event (NR3).

Event NR3

Following table is and preferably to understand that the content of following table is interconnected to explain the description for being based on event (NR4).

Event NR4

Following table is and preferably to understand that the content of following table is interconnected to explain the description for being based on event (NR5).

Event NR5

Following table is and preferably to understand that the content of following table is interconnected to explain the description for being based on event (NR6).

Event NR6

Following table is and preferably to understand that the content of following table is interconnected to explain the description for being based on event (NR7).

Event NR7

Terminal can measure the penalty of wave beam currently in use, and use this point, can trigger for by wave The wave beam that beam changes into another wave beam changes process.In this case, the mistake of the penalty of wave beam currently in use is determined Journey is referred to as wave beam process fault detection, and can execute the process as follows.

Here, wave beam can be terminal and base station a certain wave beam (base station beam, terminal beams or a pair of of base currently in use It stands wave beam and terminal beams).In addition, wave beam can be a certain group of wave beam that terminal and base station specific (or default) use.

Here, wave beam can correspond to physical antenna configuration, or can be the measurement unit of a certain terminal (for example, SS Block, SS burst, SS burst collection, CSI-RS block, CSI-RS burst or CSI-RS burst collection).

1.L1 detection

If meeting condition 1 by (multiple) wave beam that physical layer measures, it is determined that wave beam failure.

Physical layer sends corresponding instruction to upper layer and is used for subsequent operation.

Upper layer starts wave beam recovery process after receiving instruction.

2. being detected using the L2 of L1 instruction

If meeting condition 1 by (multiple) wave beam that physical layer measures, corresponding instruction is sent to upper layer.

- L2 layers receive one or more instructions from physical layer, and if the reception of corresponding instruction meets condition 2, Determine that wave beam failure and/or wave beam restore triggering.

- L2 layers of beginning wave beam recovery process.

3. being detected using the L3 of L1 instruction

- L3 layers receive one or more instructions from physical layer, and if the reception of corresponding instruction meets condition 2, Determine that wave beam failure and/or wave beam restore triggering.

- L3 layers of beginning wave beam recovery process.

Condition 1 can be as follows.

(multiple) beam measurement < Threshold1

The DL signal of estimation receives error probability > N1%

(multiple) beam measurement<Threshold1 (with) some beam measurement>Threshold2

Engage a certain wave beam group 1 (set1) measured value < Threshold1 of (or configuring from base station) in advance with base station

Condition 2 can be as follows.

Continuous instruction receives N2 times

Instruction receives within the predetermined time (timer 2) no less than N3 times

Some beam measurement > Threshold2

Engaged in advance with base station a certain beam measurement in a certain wave beam group 2 (set2) of (or from base station configure) > Threshold2

Just the case where a certain timer 1 being triggered after the condition that meets 1 expires

: timer 1 can be the Configuration Values implemented by terminal

: timer 1 can be the value configured by base station

: if a certain instruction (that is, synchronizing indication) is received from lower level, timer 1 can be cancelled.

: if a certain instruction (that is, RLF triggering instruction or RLF statement instruction) is received from upper layer, timer 1 can be with It is cancelled.

The hierarchical cell embodiment b1- and set

Following embodiment is another embodiment, wherein the CSI-RS resource collection subcarrier spacing having the same in cell, CSI-RS transmission period, CSI-RS send BW and CSI-RS and receive BW.

Following table 1 is the embodiment according to the disclosure, and adds table 1aa and table 1ab and wrap in table 1 for explaining The each field included.It is preferred that the content of understanding table 1aa and table 1ab are interconnected.

In this case, CSI-RS is configured by CSI-RS resource collection, and each CSI-RS resource collection is having the same CSI-RS configures offset, CSI-RS scrambling ID, sequence generation configuration, repetition and density.The CSI- that each CSI-RS resource is concentrated Antenna port, resource element mapping pattern (pattern), QCL information and the portions of bandwidth information of RS resource can be in CSI-RS Terminal is supplied in the form of the bitmap with an identical value or different value in resource set.

Table 1

Table 1aa

Table 1ab

For example, for the switching of RRM and many not specified terminals, cell configurating terminal is to send with same period CSI-RS resource collection.

In addition, the CSI-RS transmission period can be configured rather than by cell come in CSI- by CSI-RS resource collection It is configured in ResourceSet-RRM.In this case, the different CSI-RS resource collection sent in respective cell can be with The different periods sends, and therefore, terminal can receive different CSI-RS resource collection with the different periods.

It is concentrated in identical CSI-RS resource, cell can be sent with identical traffic slot offset (slotConfigOffset) CSI-RS, and CSI-RS resource collection different in cell can provide different transmission time slots Deviant.Using this, as an example, can be by being present in a branch of send/receive antenna of different physical locations, such as pass through Transmission/receiving point (TRP or TRxP) sends the CSI-RS resource with different CSI-RS transmission slot offsets and same period Collection, and terminal can be equal to the different reception periods for receiving slot offset by application to receive CSI-RS resource collection.

In addition, if CSI-RS resource collection has different frequency characteristics, such as centre frequency, frequency bandwidth and carrier frequency Rate, then cell can send the CSI-RS resource with different transmission time slots offset and same period between CSI-RS resource collection, And terminal can be made to receive transmitted CSI-RS resource.

In addition, transmission time slot offset can be as unit of cell rather than in CSI- as unit of CSI-RS resource collection It is configured in ConfigCell.Such case means all CSI-RS resource and CSI-RS for configuring and sending in respective cell Resource set transmission time slot offset having the same, and terminal can receive by respective cell transmission with identical traffic time slot The CSI-RS of offset.

If repeat indicator is in (on) state of unlatching, CSI-RS resource can be configured to corresponding set by network In, to use identical antenna pattern and identical wave beam to send signal, and terminal can be surveyed for different reception wave beams The received signal strength of corresponding CSI-RS wave beam is measured, and channel quality can be measured and change simultaneously CSI-RS resource concentration eventually The reception wave beam at end.If metrical information is fed back to base station by terminal, corresponding indicator can be acquiescently used as instruction Symbol, wherein indicator instruction executes the feedback to CSI-RS resource collection ID (CSI-RS-ResourceSetId-RRM).

If repeat indicator is in (off) state of closing, CSI-RS resource can be configured to corresponding by network CSI-RS resource is concentrated, and to use different antenna patterns and different wave beams to send signal, and terminal can be fixed and be connect It is received in the reception wave beam of the terminal of CSI-RS resource concentration, it can be for the different send waves of corresponding reception wave beam measurement base station The received signal strength of corresponding CSI-RS wave beam in beam, and channel quality can be measured.If terminal is anti-by metrical information It feeds base station, then corresponding indicator can be acquiescently used as not only instruction and be executed to CSI-RS resource collection ID (CSI-RS- ResourceSetId-RRM feedback) is also indicated and is executed to resource ID (for example, the RE that feedback resources have been configured to maps Pattern bitmap sequence and antenna port bitmap sequence) feedback indicator.

In addition, repeat indicator can as unit of cell rather than come as unit of CSI-RS resource collection in CSI- It is configured in ConfigCell.Such case, which means to be sent according to identical repeat indicator, to be configured and is sent out in respective cell All CSI-RS resource and CSI-RS resource collection sent.

If repeating in the open state and providing several CSI-RS resource collection, it is configurable to using each CSI-RS resource concentrates identical antenna pattern and identical wave beam to send signal, and can be that use exists with default configuration Different antenna patterns and different wave beams between CSI-RS resource collection send signal.In this case, terminal can be with The CSI-RS sent by corresponding cell is received, while the different CSI-RS resource change concentrated by a CSI-RS resource connects Receive wave beam.

In addition, if repeating in the open state and be configured with several CSI-RS resource collection, then repeat indicator can be with It is the CSI-RS resource in all CSI-RS resource collection of configuration and set to use identical antenna pattern and identical analog wave The indicator of beam transmission signal.In this case, terminal can receive the CSI-RS sent by corresponding cell, pass through simultaneously The different CSI-RS resource that one CSI-RS resource is concentrated, which change, receives wave beam.

NrofRepeateadCSI-RS-Resources instruction repeats the quantity of CSI-RS resource, wherein repetition CSI- The quantity notice of RS resource uses identical antenna configuration and identical wave whether corresponding CSI-RS resource concentration is configured with Beam sends how many CSI-RS resource.Only when repeating in the open state, corresponding parameter just can be configured and sent.

In addition, nrofRepeateadCSI-RS-Resources can be as unit of cell rather than with CSI-RS resource Integrate and is configured in CSI-ConfigCell as unit.In this case, it is present in nrofRepeateadCSI-RS- Resources, which can be only fitted in respective cell how much CSI-RS resource that the CSI-RS resource for configuring and sending is concentrated, to be bundled into Beam, and them are sent using identical antenna configuration and identical wave beam.

NrofAntennaPortsBitmap is to concentrate the CSI-RS resource or configuration sent in corresponding CSI-RS resource The quantity of antenna port used in information.If all resources that CSI-RS resource is concentrated use identical antenna port, It can configure it to an information and be sent as an information, and if the resource in set uses different antenna ends Mouthful, then it can be sent in the form of the bitmap of the information of different items.

In addition, nrofAntennaPortsBitmap can be as unit of cell rather than as unit of CSI-RS resource collection To be configured in CSI-ConfigCell.In this case, nrofAntennaPortsBitmap is matched in respective cell The CSI-RS resource collection or the CSI-RS resource present in each CSI-RS resource collection or configuration information set and sent are used Antenna port quantity.If all resources in cell use identical antenna port, it can be configured to one Information is simultaneously sent as information, and if the CSI-RS resource that CSI-RS resource is concentrated uses identical antenna port, but It is using different antenna ports between CSI-RS resource collection, then may include the indicator for indicating this configuration, Huo Zheke To send the letter of different items in the form of a bitmap relative to the antenna port configured by the set in the case where no indicator Breath.If the CSI-RS resource that CSI-RS resource is concentrated uses different antenna ports, different antenna port informations can be with It sends in the form of a bitmap.

ResourceElementMapPingpatternBitmap is to concentrate the CSI- sent in corresponding CSI-RS resource The configuration information of resource element used in RS resource.If all resources that CSI-RS resource is concentrated use identical resource element Element mapping pattern, then can configure it to an information and send as an information, and if CSI-RS resource is concentrated Resource map pattern using different resource element, then it can be sent in the form of the bitmap of the information of different items.

In addition, resourceElementMappingPatternBitmap can be as unit of cell rather than with CSI- RS resource set is unit to configure in CSI-ConfigCell.In this case, resourceElementMapPingpa TternBitMap is by the configuration in respective cell and the CSI-RS resource collection sent or to be present in each CSI-RS resource concentration CSI-RS resource used in resource element mapping pattern-information or configuration information.If all resources in cell use phase Same resource element maps pattern-information, then can configure it to an information and send as an information, and if CSI-RS resource concentrate CSI-RS resource using identical resource element map pattern-information, but CSI-RS resource collection it Between using different resource element map pattern, then may include indicating the indicator of this configuration, or can not refer to Send the information of different items in the case where showing symbol in the form of a bitmap relative to the resource element mapping pattern by set configuration.Such as The CSI-RS resource that fruit CSI-RS resource is concentrated maps pattern using different resource elements, then can send in the form of a bitmap Different RE maps pattern-information.

Qcl_SSB_info_Bitmap is wherein synchronization for notifying the information with the QCL correlation of synchronization signal block Block concentrates the CSI-RS resource sent to have QCL relationship on time, frequency and space in corresponding CSI-RS resource, And id, QCL ID or transmission config.ID of corresponding SS block can be used.If all resources that CSI-RS resource is concentrated All there is QCL relationship with identical SS block, then can configure qcl_SSB_info_Bitmap to an information and believe as one Breath is sent, and if the resource that CSI-RS resource is concentrated has QCL relationship from different SS blocks, it can be with the information of different items The form of bitmap send.

In addition, qcl_SSB_info_Bitmap can come as unit of cell rather than as unit of CSI-RS resource collection It is configured in CSI-ConfigCell.In this case, qcl_SSB_info_Bitmap is the information about synchronization signal, Wherein the synchronization signal in respective cell configure and send CSI-RS resource collection or be present in each CSI-RS resource collection In CSI-RS resource have QCL relationship.If all resources in cell all have QCL relationship with identical SS block, can To configure an information for it and send as an information, and if the CSI-RS resource concentrated in CSI-RS resource with Identical SS block has QCL relationship, but CSI-RS resource collection has QCL relationship from different SS, then may include indicating this The indicator of kind configuration, or can have the SS block of QCL relationship send different items in the form of a bitmap relative to from set Information.If the CSI-RS resource that CSI-RS resource is concentrated has QCL relationship, different SS block messages from different SS blocks It can send in the form of a bitmap.

DensityBitmap is to concentrate the port RE//PRB in the CSI-RS resource sent in corresponding CSI-RS resource Density.If all resources that CSI-RS resource is concentrated use identical antenna port, it can be configured to an information And sent as an information, and if the resource that CSI-RS resource is concentrated uses different density, it can be with different items Information bitmap form send.

In addition, densityBitmap can as unit of cell rather than come as unit of CSI-RS resource collection in CSI- It is configured in configCell.In this case, densityBitmap is the CSI-RS by configuring and sending in respective cell Resource set is present in the density information that the CSI-RS resource that each CSI-RS resource is concentrated uses.If all moneys in cell Source uses identical density information, then can configure it to an information and send as an information, and CSI-RS is provided The CSI-RS resource that source is concentrated uses the density, and if using different density between CSI-RS resource collection, may include Indicate the indicator of this configuration, or can be in the case where no indicator relative to by gathering the density configured with bitmap Form send the information of different items.It, can be with if the CSI-RS resource that CSI-RS resource is concentrated uses different density The form of bitmap sends different density informations.

BandwidthpartsBitmap is included in the letter that corresponding CSI-RS resource concentrates the CSI-RS resource sent Cease the parameter of (such as, portions of bandwidth id, bandwidth and frequency).If all resources that CSI-RS resource is concentrated use identical band Wide portion then can configure it to an information and send as an information, and if the money that CSI-RS resource is concentrated Source uses different portions of bandwidth, then it can be sent in the form of the bitmap of the information of different items.

In addition, bandwidthpartsBitmap can come as unit of cell rather than as unit of CSI-RS resource collection It is configured in CSI-configCell.In this case, bandwidthpartsBitmap is by configuring in respective cell With the CSI-RS resource collection of transmission or be present in portions of bandwidth used in the CSI-RS resource that each CSI-RS resource is concentrated (bandwidthparts) information.If all resources in cell use identical portions of bandwidth, it can be configured to One information is simultaneously sent as an information, and the CSI-RS resource that CSI-RS resource is concentrated uses the portions of bandwidth, and such as Fruit uses different portions of bandwidth between CSI-RS resource collection, then may include the indicator for indicating this configuration, Huo Zheke To send the information of different items in the form of a bitmap relative to the portions of bandwidth by set configuration in the case where no indicator. If the CSI-RS resource that CSI-RS resource is concentrated uses different portions of bandwidth, can send in the form of a bitmap different Portions of bandwidth information.

Csi-rs-TransmissionBW is the numerical value of bandwidth, and the different CSI-RS for notifying terminal housing estate to send exist It is sent in mostly wide frequency range.It can be the reference point (minimum or highest frequency) in notice frequency band and bandwidth is absolute Numerical value, notice frequency band in central point (ARFCN or centre frequency or carrier number or carrier wave ID) and bandwidth absolute figure or The simply numerical value of frequency of notification bandwidth.

In addition, csi-rs-TransmissionBW can be by CSI-RS resource collection rather than by cell in CSI- It is configured in ResourceSet-RRM.In this case, csi-rs-TransmissionBW means to send out in respective cell The different CSI-RS resource collection sent can be sent with different transmission frequency bandwidths.

Csi-rs-MeasurementBW is a numerical value, for notifying terminal can by which kind of frequency bandwidth size terminal To receive the CSI-RS of cell transmission.It can be the reference point (minimum or highest frequency) in notice frequency band and bandwidth is absolute Numerical value, notice frequency band in central point (ARFCN or centre frequency or carrier number or carrier wave ID) and bandwidth absolute figure or The simply numerical value of frequency of notification bandwidth.

In addition, if csi-rs-MeasurementBW is simply to notify a certain terminal notification for measuring corresponding CSI- The numerical value of the frequency bandwidth of RS, then corresponding numerical value can be terminal can be received and received according to terminal ability information Maximum detection amount frequency bandwidth.

In addition, if csi-rs-MeasurementBW is the frequency that simply notice measures corresponding CSI-RS for terminal The numerical value of bandwidth, and there is the value less than csi-rs-TransmissionBW, then network can acquiescently instruction terminal use Frequency band in the csi-rs-MeasurementBW magnitude range in the csi-rs-TransmissionBW sent by cell Lai Measure respective cell.In this case, if the bandwidth of operation of terminal belongs to csi-rs-TransmissionBW, terminal It can be by measuring Target cell in the csi-rs-MeasurementBW magnitude range in terminal itself bandwidth of operation CSI-RS exports cell measurements.In addition, terminal can choose with csi-rs-MeasurementBW size and opposite There is the frequency band of optimum performance in the entire frequency band using the measurable Target cell in gap, and can be in corresponding csi- The CSI-RS of Target cell is measured in rs-MeasurementBW to export cell measurements.In addition, if can pass through BandwidthpartsBitmap knows the portions of bandwidth information of Target cell, then terminal can be present in by selection with eventually The bandwidth portion in frequency location for holding the frequency location of the effective bandwidth part of the serving cell belonging to itself identical or most like Point, and the CSI- sent from corresponding portions of bandwidth is measured in the range of corresponding csi-rs-MeasurementBW frequency band RS, to export cell measurements.

In addition, csi-rs-MeasurementBW can be by CSI-RS resource collection rather than by cell come in CSI- It is configured in ResourceSet-RRM.In this case, terminal can be relative to different CSI-RS resource collection with different frequencies Rate bandwidth reception and measurement CSI-RS, and cell measurements can be exported.

The hierarchical cell embodiment b2- and resource

The following examples are another embodiments, and wherein the CSI-RS having the same of all CSI-RS resource in cell is passed Defeated period, identical CSI-RS configuration offset, subcarrier spacing, CSI-RS transmission bandwidth and CSI-RS reception bandwidth.

Following table 2 is the embodiment according to the disclosure, and adds table 2aa and table 2ab and wrap in table 2 for explaining The each field included.It is preferred that the content of understanding table 2aa and table 2ab are interconnected.

In this case, CSI-RS is configured by CSI-RS resource, and the CSI-RS including corresponding CSI-RS resource adds Disturb ID, sequence generation configuration, repetition, density, antenna port, resource element mapping pattern, QCL information and portions of bandwidth information.

Table 2

Table 2aa

Table 2ab

For example, in order to RRM and many not specified terminals switching purpose, cell configurating terminal is to send with phase Synperiodic CSI-RS resource.

In addition, CSI-RS resource transmission cycle can be by CSI-RS resource rather than by cell come in CSI-Resource- It is configured in RRM.In this case, the different CSI-RS resource sent in respective cell can be sent out with the different periods It send, and therefore, terminal can receive different CSI-RS resource with the different periods.

Cell, which can be sent, deviates (slotConfigOffset) with different transmission time slots by for CSI-RS resource CSI-RS resource.Therefore, terminal can receive the different CSI-RS resource with the offset of different transmission time slots.

In addition, transmission time slot offset as unit of cell rather than can be come as unit of CSI-RS resource in CSI- It is configured in configCell.Such case means all CSI-RS resource for configuring and sending in respective cell with identical Transmission time slot offset, and terminal can receive by respective cell send the CSI-RS with identical traffic slot offset.

If repeat indicator is in the open state, CSI-RS resource can be configured in corresponding set by network, To use identical antenna pattern and identical wave beam to send signal, and terminal can be for different reception wave beam measurements pair The received signal strength for the CSI-RS wave beam answered, and the received wave that channel quality changes simultaneously terminal in cell can be measured Beam.Corresponding indicator can be acquiescently used as instruction and not need indicator of the terminal to base station feedback metrical information.

If repeat indicator is in close state, CSI-RS resource can be configured in corresponding cell by network, To use different antenna patterns and different wave beams to send signal, and the terminal in cell can be fixed and be received to terminal Wave beam is received, it can be for the different receptions for sending corresponding CSI-RS wave beam in wave beam of corresponding reception wave beam measurement base station Signal strength, and channel quality can be measured.If metrical information is acquiescently fed back to base station, corresponding instruction by terminal Symbol is used as indicating directly executing the feedback to CSI-RS resource ID (CSI-RS-ResourceId-RRM) or execute to hidden The indicator of the feedback of the resource ID of formula etc., for example, executing as instruction CSI-RS resource to the feedback of the sequence configured Indicator etc..

In addition, repeat indicator can as unit of CSI-RS resource rather than come as unit of cell in CSI- It is configured in ConfigCell.Such case means using the antenna configuration and wave beam with the CSI-RS resource previously just configured Identical antenna configuration and wave beam send the CSI-RS resource including corresponding repeat indicator.

NrofRepeateadCSI-RS-Resources instruction repeats the quantity of CSI-RS resource, wherein repetition CSI- It is more using identical antenna configuration and the transmission of identical wave beam whether the quantity notice of RS resource is configured in corresponding cell Few CSI-RS resource.Only when repeating in the open state, corresponding parameter just can be configured and sent.

NrofAntennaPorts is CSI-RS resource by sending in respective cell or the antenna that configuration information uses The quantity of port.

In addition, nrofAntennaPorts can as unit of cell rather than come as unit of CSI-RS resource in CSI- It is configured in ConfigCell.In this case, nrofAntennaPorts can be by configuring and sending in respective cell CSI-RS resource or the quantity of antenna port that uses of configuration information.If all resources in cell use identical antenna Port can then configure it to an information and send as an information, and if CSI-RS resource uses different days Line end mouth, then may include indicate such indicator configured, or can in the case where no indicator relative to by The antenna port of CSI-RS resource configuration sends the information of different items in the form of a bitmap.

ResourceElementMappingPattern is the configuration of the resource element used by corresponding CSI-RS resource Information.

In addition, resourceElementMappingPattern can be as unit of cell rather than with CSI-RS resource It is configured in CSI-ConfigCell for unit.In this case, resourceElementMappingPattern be The configuration information of resource element used in the CSI-RS resource sent in respective cell.If all resources in cell use Identical resource element maps pattern, then can configure it to an information and send as an information, and if cell In resource map pattern using different resource element, then can send the information of different items in the form of a bitmap.

Qcl_SSB_info is the wherein synchronization signal block for notifying the information with the QCL correlation of synchronization signal block With corresponding CSI-RS resource on time, frequency and space have QCL relationship, and can be used corresponding SS block id, QCL ID or transmission config.ID.

In addition, qcl_SSB_info can as unit of cell rather than come as unit of CSI-RS resource in CSI- It is configured in configCell.In this case, qcl_SSB_info is the information about synchronization signal, wherein the synchronization signal There is QCL relationship with each CSI-RS resource for configuring and sending in respective cell.If all resources in cell all with Identical SS block has QCL relationship, then can configure it to an information and send as an information, and if CSI-RS is provided Source has QCL relationship with identical SS block, then can send the information of different items in the form of a bitmap.

DensityBitmap is the port RE//PRB density in corresponding CSI-RS resource.

In addition, densityBitmap can as unit of cell rather than come as unit of CSI-RS resource in CSI- It is configured in ConfigCell.In this case, densityBitmap is the CSI-RS money for configuring and sending in respective cell Density information used in source.If all resources in cell use identical density information, one can be configured by it It information and is sent as an information, and if CSI-RS resource uses different density, it can come in the form of a bitmap Send the density information of this different items.

Bandwidthparts be include CSI-RS resource information (such as portions of bandwidth id, bandwidth and frequency) ginseng Number.

In addition, bandwidthparts can as unit of cell rather than come as unit of CSI-RS resource collection in CSI- It is configured in ConfigCell.In this case, bandwidthparts is the CSI- by configuring and sending in respective cell The portions of bandwidth information that RS resource uses.If all resources in cell use identical portions of bandwidth, it can be matched It is set to an information and is sent as an information, and if using different portions of bandwidth between CSI-RS resource, it can To send the portions of bandwidth information of this different items in the form of a bitmap.

Furthermore, it is possible to configure by CSI-RS resource rather than in CSI-Resource-RRM csi- by cell rs-TransmissionBW.In this case, csi-rs-TransmissionBW means to send in respective cell Different CSI-RS resource can be sent with different transmission frequency bandwidths.

Csi-rs-MeasurementBW is a numerical value, for notifying terminal can connect by which kind of frequency bandwidth size Zoom in the CSI-RS of area's transmission.It can be the absolute number of reference point (the minimum or highest frequency) and bandwidth in notice frequency band Value, notice frequency band in central point (ARFCN or centre frequency or carrier number or carrier wave ID) and bandwidth absolute figure or letter The numerical value of single ground frequency of notification bandwidth.

In addition, csi-rs-MeasurementBW can be by CSI-RS resource rather than by cell come in CSI- It is configured in Resource-RRM.In this case, terminal can be relative to the different frequency band of different CSI-RS resource Wide reception and measurement CSI-RS, and cell measurements can be exported.

Following embodiment is another embodiment, wherein all CSI-RS resource collection CSI-RS transmission week having the same Phase, identical CSI-RS configuration offset, subcarrier spacing, CSI-RS transmission bandwidth and CSI-RS reception bandwidth.

Following table 3 is the embodiment according to the disclosure, and adds table 3aa and table 3ab and wrap in table 3 for explaining The each field included.It is preferred that the content of understanding table 3aa and table 3ab are interconnected.

Table 3

Table 3aa

Table 3ab

For example, in order to RRM and many not specified terminals switching purpose, CSI-RS resource collection configurating terminal is to send out Send the CSI-RS resource with same period.

In addition, CSI-RS resource transmission cycle can by CSI-RS resource rather than configured by CSI-RS resource collection In CSI-Resource-RRM.It is concentrated in such a case, it is possible to be sent in corresponding CSI-RS resource with the different periods The different CSI-RS resource of transmission, and therefore, terminal can receive different CSI-RS resource with the different periods.

CSI-RS resource collection, which can be sent, by for CSI-RS resource there are different transmission time slots to deviate (slotConfigOffset) CSI-RS resource.Therefore, terminal can receive the difference with the offset of different transmission time slots CSI-RS resource.

In addition, transmission time slot offset can configure as unit of CSI-RS resource collection rather than as unit of CSI-RS resource In CSI-ResourceSet-RRM.Such case means in corresponding CSI-RS resource centralized configuration and sends all CSI-RS resource transmission time slot offset having the same, and terminal can receive having by corresponding CSI-RS resource collection transmission The CSI-RS of identical traffic slot offset.

If repeat indicator is in the open state, CSI-RS resource can be configured to corresponding CSI-RS money by network Source is concentrated, and to use identical antenna pattern and identical wave beam to send signal, and terminal can be directed to different received waves Beam measures the received signal strength of corresponding CSI-RS wave beam, and can measure channel quality and change simultaneously CSI-RS resource collection In terminal reception wave beam.Corresponding indicator can be acquiescently used as instruction and not need terminal to base station feedback measurement letter The indicator of breath.

If repeat indicator is in close state, CSI-RS resource can be configured to corresponding CSI-RS money by network Source is concentrated, and to use different antenna patterns and different wave beams to send signal, and terminal can be fixed and be received in CSI- The reception wave beam of terminal in RS resource set, and can be for different the sending in wave beam of corresponding reception wave beam measurement base station The received signal strength of corresponding CSI-RS wave beam, so as to measure channel quality.If terminal is acquiescently by metrical information Base station is fed back to, then corresponding indicator is used as indicating directly executing to CSI-RS resource ID (CSI-RS- ResourceId-RRM feedback), or the indicator to the feedback of implicit resource ID is executed, for example, as instruction CSI-RS Resource executes the indicator etc. to the feedback of the sequence configured.

In addition, repeat indicator can configure as unit of CSI-RS resource rather than as unit of CSI-RS resource collection In CSI-ConfigCell.Such case means using the antenna configuration and wave beam with the CSI-RS resource previously just configured Identical antenna configuration and wave beam send the CSI-RS resource including corresponding repeat indicator.

NrofAntennaPorts is to concentrate the CSI-RS resource sent or configuration information to make in corresponding CSI-RS resource The quantity of antenna port.

In addition, nrofAntennaPorts can be as unit of CSI-RS resource collection rather than as unit of CSI-RS resource To be configured in CSI-ResourceSet-RRM.In this case, nrofAntennaPorts can be by corresponding CSI- The quantity for the antenna port that the CSI-RS resource or configuration information of RS resource centralized configuration and transmission use.If CSI-RS resource All resources concentrated use identical antenna port, then can configure it to an information and send as an information, And if CSI-RS resource uses different antenna ports, it may include indicating such indicator configured, or it can be with Different items are sent in the form of a bitmap relative to the antenna port configured by CSI-RS resource in the case where no indicator Information.

ResourceElementMappingPattern is the resource element that corresponding CSI-RS resource uses with confidence Breath.

In addition, resourceElementMappingPattern can as unit of CSI-RS resource collection rather than with CSI-RS resource is that unit configures in CSI-ResourceSet-RRM.In this case, ResourceElementMappingPattern is concentrated used in the CSI-RS resource of transmission in corresponding CSI-RS resource The configuration information of resource element.If all resources that CSI-RS resource is concentrated map pattern using identical resource element, Can configure it to an information and send as an information, and if the resource that CSI-RS resource is concentrated use it is different Resource element map pattern, then can send the information of different items in the form of a bitmap.

In addition, qcl_SSB_info can be configured as unit of CSI-RS resource collection rather than as unit of CSI-RS resource In CSI-ResourceSet-RRM.In this case, qcl_SSB_info is the information about synchronization signal, wherein should Synchronization signal has QCL relationship with each CSI-RS resource in corresponding CSI-RS resource centralized configuration and transmission.If All resources that CSI-RS resource is concentrated all have QCL relationship with identical SS block, then can configure it to an information and make It is sent for an information, and if CSI-RS resource has QCL relationship with identical SS block, it can send in the form of a bitmap The information of different items.

DensityBitmap is the port RE//PRB density in corresponding CSI-RS resource.

In addition, densityBitmap can match as unit of CSI-RS resource collection rather than as unit of CSI-RS resource It sets in CSI-ResourceSet-RRM.In this case, densityBitmap is concentrated in corresponding CSI-RS resource Density information used in configuration and the CSI-RS resource sent.If all resources that CSI-RS resource is concentrated use identical Density information then can configure it to an information and send as an information, and if CSI-RS resource is not using Same density can then send the density information of these different items in the form of a bitmap.

In addition, bandwidthparts can be as unit of CSI-RS resource collection rather than as unit of CSI-RS resource collection Configuration is in CSI-ResourceSet-RRM.In this case, bandwidthparts is by corresponding CSI-RS resource Portions of bandwidth (bandwidthparts) information that centralized configuration and the CSI-RS resource of transmission use.If CSI-RS resource collection In all resources use identical portions of bandwidth, then can configure it to an information and be sent as an information, And if CSI-RS resource uses different portions of bandwidth, the bandwidth portion of these different items can be sent in the form of a bitmap Divide information.

Csi-rs-TransmissionBW is the numerical value of bandwidth, for notifying what terminal was sent by CSI-RS resource collection Different CSI-RS are sent on how wide frequency range.It can be the reference point (minimum or highest frequency) in notice frequency band With the central point (ARFCN or centre frequency or carrier number or carrier wave ID) and bandwidth in the absolute figure of bandwidth, notice frequency band Absolute figure or the simply numerical value of frequency of notification bandwidth.

In addition, csi-rs-TransmissionBW can be as unit of CSI-RS resource rather than with CSI-RS resource collection It is unit configuration in CSI-Resource-RRM.In this case, mean can be with by csi-rs-TransmissionBW Different transmission frequency bandwidths is sent in corresponding CSI-RS resource and concentrates the different CSI-RS resource sent.

Csi-rs-MeasurementBW is a numerical value, for notifying terminal can by which kind of frequency bandwidth size terminal To receive the CSI-RS sent by CSI-RS resource collection.It can be the reference point (minimum or highest frequency) in notice frequency band With the central point (ARFCN or centre frequency or carrier number or carrier wave ID) and bandwidth in the absolute figure of bandwidth, notice frequency band Absolute figure or the simply numerical value of frequency of notification bandwidth.

In addition, if csi-rs-MeasurementBW is the frequency that simply notice measures corresponding CSI-RS for terminal The numerical value of bandwidth, and there is the value less than csi-rs-TransmissionBW, then network can acquiescently instruction terminal use In the csi-rs-TransmissionBW sent by CSI-RS resource collection in the range of csi-rs-MeasurementBW size Frequency band measure corresponding CSI-RS resource collection.In this case, if the bandwidth of operation of terminal belongs to csi-rs- TransmissionBW, then terminal can pass through the csi-rs-MeasurementBW size in the bandwidth of operation of terminal itself The CSI-RS of target CSI-RS resource collection is measured in range to export CSI-RS resource collection measured value.In addition, terminal can choose With csi-rs-MeasurementBW size and relative to using the entire of the measurable target CSI-RS resource collection in gap Frequency band has the frequency band of optimum performance, and can measure target CSI-RS in corresponding csi-rs-MeasurementBW frequency band The CSI-RS of resource set is to export CSI-RS resource collection measured value.

In addition, if knowing the portions of bandwidth of target CSI-RS resource collection possibly through bandwidthpartsBitmap Information, then terminal can be by selecting the frequency position with the effective bandwidth part of service CSI-RS resource collection belonging to terminal itself Portions of bandwidth present in identical or most like frequency location is set, and in corresponding csi-rs-MeasurementBW frequency band The CSI-RS that measurement is sent from corresponding portions of bandwidth in range, to export CSI-RS resource collection measured value.

In addition, csi-rs-MeasurementBW can by CSI-RS resource without by CSI-RS resource collection come in CSI- It is configured in Resource-RRM.In this case, terminal can be relative to different CSI-RS resource different frequency bandwidth Reception and measurement CSI-RS, and CSI-RS resource collection measured value can be exported.

The hierarchical cell embodiment c-, set and resource

Following embodiment is another embodiment, wherein all CSI-RS resource CSI-RS transmission having the same in cell Period, subcarrier spacing, CSI-RS transmission bandwidth and CSI-RS reception bandwidth.

Following table 4 is the embodiment according to the disclosure, and adds table 4aa and table 4ab and wrap in table 4 for explaining The each field included.It is preferred that the content of understanding table 4aa and table 4ab are interconnected.

In the cell, there are CSI-RS resource collection, and the CSI-RS resource in a resource cell can have it is identical CSI-RS configuration offset, RS scrambling ID, sequence generate configuration, repeat, density and portions of bandwidth information.In this case, CSI-RS is configured by CSI-RS resource, and can have CSI-RS antenna port, the resource element by corresponding CSI-RS resource Map pattern and QCL information.

Table 4

Table 4aa

Table 4ab

For example, in order to RRM and many not specified terminals switching purpose, cell configurating terminal is to send with phase Synperiodic CSI-RS resource collection.

In addition, the CSI-RS transmission period can be by CSI-RS resource collection rather than by cell come in CSI-ResourceSet- It is configured in RRM.In this case, the different CSI-RS resource collection sent in respective cell can be with the different periods It sends, and therefore, terminal can receive different CSI-RS resource collection with the different periods.

It is concentrated in identical CSI-RS resource, cell can be sent with identical traffic slot offset (slotConfigOffset) CSI-RS, and CSI-RS resource collection different in cell can provide different transmission time slots Deviant.It, can be by being present in the send/receive antenna beam of different physical locations (for example, by (multiple) using this point Transmission/receiving point (transmission/reception points, TRP or TRxP)) send have different CSI-RS transmissions when The CSI-RS resource collection of gap offset and same period, and terminal can be identical from different reception slot offsets by application The period is received to receive CSI-RS resource collection.

By for CSI-RS resource there are different transmission time slots to deviate in addition, cell can be sent (slotConfigOffset) CSI-RS resource.Therefore, terminal can receive the difference with the offset of different transmission time slots CSI-RS resource.

If repeat indicator is in close state, CSI-RS resource can be configured to corresponding CSI-RS money by network Source is concentrated, and to use different antenna patterns and different wave beams to send signal, and terminal can be fixed and be received in CSI- The reception wave beam of terminal in RS resource set, and can be for different the sending in wave beam of corresponding reception wave beam measurement base station The received signal strength of corresponding CSI-RS wave beam, to measure channel quality.If metrical information is fed back to base station by terminal, Corresponding indicator can be acquiescently used as instruction and not only be executed to CSI-RS resource collection ID (CSI-RS- ResourceSetId-RRM feedback) is also executed to resource ID (for example, the RE that feedback resources have been configured to maps pattern Bitmap sequence and antenna port bitmap sequence) feedback indicator.

In addition, repeat indicator can as unit of cell rather than come as unit of CSI-RS resource collection in CSI- It is configured in ConfigCell.Such case, which means to be sent according to identical repeat indicator, to be configured and is sent out in respective cell All CSI-RS resource and CSI-RS resource collection sent.If repeating in the open state and providing several CSI-RS resource Collection is then configurable to concentrate identical antenna pattern and identical wave beam to send signal using each CSI-RS resource, and And can be with default configuration using between CSI-RS resource collection different antenna patterns and different wave beam send signal. In this case, terminal can receive the CSI-RS sent by corresponding cell, while be concentrated by a CSI-RS resource Different CSI-RS resource change receive wave beam.In addition, if repeating in the open state and being configured with several CSI-RS moneys Source collection, then repeat indicator can be the CSI-RS resource in configuring all CSI-RS resource collection and gathering to use identical day Line pattern and identical analog beam send the indicator of signal.In this case, terminal can receive by corresponding cell The CSI-RS of transmission, while being changed by the different CSI-RS resource that a CSI-RS resource is concentrated and receiving wave beam.

Furthermore, it is possible to match in CSI-Resource-RRM as unit of CSI-RS resource rather than as unit of cell Set repeat indicator.Such case means using identical as the antenna configuration of CSI-RS resource and wave beam previously just configured Antenna configuration and wave beam send the CSI-RS resource including corresponding repeat indicator.

In addition, nrofRepeateadCSI-RS-Resources can be as unit of cell rather than with CSI-RS resource Integrate and is configured in CSI-ConfigCell as unit.In this case, the CSI-RS for configuring and sending in respective cell Several CSI-RS resource present in resource set can be bound to be sent with being used identical antenna configuration and identical wave beam.

In addition, nrofAntennaPorts can be as unit of CSI-RS resource collection rather than as unit of CSI-RS resource Configuration comes in CSI-ResourceSet-RRM.NrofAntennaPorts can be by concentrating hair in corresponding CSI-RS resource The quantity for the antenna port that the CSI-RS resource sent uses.If all resources that CSI-RS resource is concentrated use identical antenna Port can then configure it to an information and send as an information, and if the CSI-RS resource in the set makes With different antenna ports, then the information of different items can be sent in the form of a bitmap.

In addition, resourceElementMappingPattern can as unit of CSI-RS resource collection rather than with CSI-RS resource is that unit configures in CSI-ResourceSet-RRM.ResourceElementMappingPattern be by The configuration information of resource element used in the CSI-RS resource of transmission is concentrated in corresponding CSI-RS resource.If CSI-RS is provided All resources that source is concentrated map pattern using identical resource element, then can configure it to an information and as one Information is sent, and if the resource that CSI-RS resource is concentrated maps pattern using different resource elements, it can with bitmap Form send the information of different items.

In addition, resourceElementMappingPattern can be as unit of cell rather than with CSI-RS resource It is configured in CSI-ConfigCell for unit.In this case, resourceElementMapPingpattern be by The CSI-RS resource that configures and send in respective cell is present in the CSI-RS resource that each CSI-RS resource is concentrated and is made Resource element maps pattern-information or configuration information.If all resources in cell are mapped using identical resource element Pattern-information can then configure it to an information and send as an information, and if what CSI-RS resource was concentrated CSI-RS resource maps pattern-information using identical resource element, but different resources is used between CSI-RS resource collection Element maps pattern, then may include indicating the indicator of this configuration, or can be opposite in the case where no indicator The information of different items is sent in the form of a bitmap in the resource element mapping pattern by set configuration.If CSI-RS resource is concentrated CSI-RS resource map pattern using different resource element, then can send different RE mapping patterns in the form of a bitmap Information.

Qcl_SSB_info is for notifying and the information of the QCL correlation of synchronization signal block (wherein synchronization signal block With corresponding CSI-RS resource on time, frequency and space have QCL relationship), and can be used corresponding SS block id, QCL ID or transmission config.ID.

In addition, qcl_SSB_info_Bitmap can as unit of CSI-RS resource collection rather than be with CSI-RS resource Unit configures in CSI-ResourceSet-RRM.Qcl_SSB_info_Bitmap is in corresponding CSI-RS resource Concentrate send CSI-RS resource information with notify and the QCL relationship of synchronization signal block (wherein synchronization signal block with it is corresponding CSI-RS resource on time, frequency and space have QCL relationship), and can be used corresponding SS block id, QCL ID or Transmit config.ID.If all resources that CSI-RS resource is concentrated all have QCL relationship with identical SS block, can be by it It is configured to an information and is sent as an information, and if the CSI-RS resource that CSI-RS resource is concentrated has from different SS blocks There is QCL relationship, then can send the information of different items in the form of a bitmap.

In addition, qcl_SSB_info can as unit of cell rather than come as unit of CSI-RS resource in CSI- It is configured in ConfigCell.In this case, qcl_SSB_info is the information about synchronization signal, wherein synchronization signal with The CSI-RS resource for configuring and sending in respective cell or the CSI-RS resource for being present in each CSI-RS resource concentration have QCL relationship.If all resources in cell all have QCL relationship with identical SS block, it can be configured to an information And transmit as an information, and if the CSI-RS resource concentrated in the CSI-RS resource is with identical SS block with the pass QCL System, but there is QCL relationship from different SS blocks between the CSI-RS resource collection, then it may include the finger for indicating this configuration Show symbol, or there can be the SS block of QCL relationship to send out in the form of a bitmap relative to by set in the case where no indicator Send the information of different items.If CSI-RS resource CSI-RS resource and the different SS blocks concentrated with QCL relationship, can be with The form of bitmap sends the SS block message of different items.

Density is to concentrate the port RE//PRB density of the CSI-RS resource sent in corresponding CSI-RS resource.Such as All resources that fruit CSI-RS resource is concentrated use identical antenna port, then can configure it to an information and as one Information is sent, and if the resource that CSI-RS resource is concentrated uses different density, it can be with the information of different items The form of bitmap is sent.

In addition, the density can as unit of cell rather than come as unit of CSI-RS resource collection in CSI- It is configured in ConfigCell.In this case, which is the CSI-RS resource by configuring and sending in respective cell Collect or be present in density information used in the CSI-RS resource that each CSI-RS resource is concentrated.If all resources in cell Using identical density information, then it can configure it to an information and be sent as an information, and CSI-RS resource The CSI-RS resource of concentration uses the density, and if using different density between CSI-RS resource collection, it may include referring to Show the indicator of this configuration, or can be in the case where no indicator relative to by gathering the density configured with bitmap Form sends the information of different items.If the CSI-RS resource that CSI-RS resource is concentrated uses different density, can be with position The form of figure sends the density information of different items.

In addition, the density can as unit of CSI-RS resource rather than come as unit of CSI-RS resource collection It is configured in CSI-Resource-RRM.

Bandwidthparts information is included in the information that corresponding CSI-RS resource concentrates the CSI-RS resource sent The parameter of (such as, portions of bandwidth id, bandwidth and frequency).If all resources that CSI-RS resource is concentrated use identical bandwidth Part then can configure it to an information and send as an information, and if the resource that CSI-RS resource is concentrated Using different portions of bandwidth, then it can be sent in the form of the bitmap of the information of different items.

In addition, bandwidthparts can as unit of cell rather than come as unit of CSI-RS resource collection in CSI- It is configured in ConfigCell.In this case, which is by configuring and sending in respective cell CSI-RS resource collection is present in portions of bandwidth information used in the CSI-RS resource that each CSI-RS resource is concentrated.If small All resources in area use identical portions of bandwidth, then can configure it to an information and send as an information, And the CSI-RS resource that CSI-RS resource is concentrated uses the portions of bandwidth, and if using difference between CSI-RS resource collection Portions of bandwidth, then may include indicate the indicator of this configuration, or can in the case where no indicator relative to Send the information of different items in the form of a bitmap by the portions of bandwidth of set configuration.If the CSI-RS money that CSI-RS resource is concentrated Source uses different portions of bandwidth, then different portions of bandwidth information can be sent in the form of a bitmap.

In addition, the bandwidthparts can be as unit of CSI-RS resource rather than as unit of CSI-RS resource collection To be configured in CSI-Resource-RRM.

Csi-rs-TransmissionBW is the numerical value of bandwidth, the different CSI-RS for notifying terminal to be sent by cell It is sent in how wide frequency range.It can be the reference point (minimum or highest frequency) in notice frequency band and bandwidth is exhausted Logarithm, notice frequency band in central point (ARFCN or centre frequency or carrier number or carrier wave ID) and bandwidth absolute figure or The numerical value of person's simply frequency of notification bandwidth.

In addition, if csi-rs-MeasurementBW is the frequency that simply notice measures corresponding CSI-RS for terminal The numerical value of bandwidth, and there is the value less than csi-rs-TransmissionBW, then network can acquiescently instruction terminal use Frequency band in the csi-rs-MeasurementBW magnitude range in the csi-rs-TransmissionBW sent by cell Lai Measure respective cell.In this case, if the bandwidth of operation of terminal belongs to csi-rs-TransmissionBW, terminal It can be by measuring Target cell in the csi-rs-MeasurementBW magnitude range in terminal itself bandwidth of operation CSI-RS exports cell measurements.In addition, terminal can choose with csi-rs-MeasurementBW size and opposite There is the frequency band of optimum performance in the entire frequency band using the measurable Target cell in gap, and can be in corresponding csi- The CSI-RS of Target cell is measured in rs-MeasurementBW frequency band to export cell measurements.In addition, if can pass through BandwidthpartsBitmap knows the portions of bandwidth information of Target cell, then terminal can be present in by selection with eventually The bandwidth portion in frequency location for holding the frequency location of the effective bandwidth part of the serving cell belonging to itself identical or most like Point, and the CSI- sent from corresponding portions of bandwidth is measured in the range of corresponding csi-rs-MeasurementBW frequency band RS, to export cell measurements.

Figure 18 A is the figure for showing the terminal according to the embodiment of the present disclosure.

With reference to Figure 18 A, terminal 1800 may include the transceiver 1810 and controller for being configured as sending and receiving signal 1830.By transceiver 1810, terminal 1800 can send and/or receive signal, information and message.Controller 1830 can be controlled The integrated operation of terminal 1800 processed.Controller 1830 may include at least one processor.Controller 1830 can be as described above Pass through Fig. 1 to 4,5A to 5C, 6 to 10,11A and 11B, the operation of 12 to 17 come controlling terminals.

In addition, controller 1830 receives the RS configuration information sent by base station, to be sent out on it according to configuration information is specified The resource of RS is sent, and measures the RS in corresponding resource.In addition, if determining that the measurement of RS meets a certain condition, then controller can To send serving BS for such as measurement report result, or serving BS or adjacent base station can be requested to be based on by corresponding item The subsequent operation of part triggering configures another RS.

Figure 18 B is the figure for showing the operation of the terminal according to the embodiment of the present disclosure.

With reference to Figure 18 B, in operation S1801, terminal can pass through PBCH, control channel (PDCCH) and data channel (PDSCH) CSI-RS configuration information in the form of SystemInfo or message (PHY/MAC/RLC/RRC) is received.It is operating S1802, the terminal that corresponding CSI-RS information has been received can be used including the various information in the information received (such as offset information, periodicity, measurement gap and window) come identify CSI-RS receive resource.

In operation S1803, identify that the terminal of CSI-RS reception resource can be from corresponding resource reception and measurement CSI-RS information, and if the result of reception and measurement meets predetermined condition, in operation S1804, correspondence is can be used in it Configuration resource (PUCCH/PUSCH/PRACH) execute uplink transmission.

Figure 18 C is the figure for showing the operation of the terminal according to the embodiment of the present disclosure.

With reference to Figure 18 C, in operation S1811, terminal can pass through PBCH, control channel (PDCCH) and data channel (PDSCH) CSI-RS configuration information in the form of SystemInfo or message (PHY/MAC/RLC/RRC) is received.It is operating S1812, the terminal that corresponding CSI-RS information has been received can be used including the various information in the information received (such as offset information, periodicity, measurement gap and window) come identify CSI-RS receive resource.

Identify that the terminal of CSI-RS reception resource can determine that selection and reception ensure performance (for example, when receiving When the signal RSRP/RSRQ/CQI/SNR/SINR arrived is equal to or more than specific threshold, or the CSI-RS with optimum performance connects Performance is received to be included in opposite threshold performance) all CSI-RS a part (one or more CSI-RS), and can To determine that the terminal that be used to receive corresponding CSI-RS receives wave beam based on NR-SS measurement in operation S1813, as having The wave beam of optimum performance.In this case, terminal can receive wave beam (for example, for all NR- only for specific terminal SS measurement have the terminal of optimum performance receive wave beam or optimum beam to) the best CSI-RS of selection, terminal is existed CSI-RS receives wave beam based on terminal during selecting and keeps identical reception wave beam.

CSI-RS information can be received from corresponding resource, and if the reception and measurement result in operation S1814 is full Then corresponding configuration resource PUCCH/PUSCH/PRACH can be used in operation S1815 to execute uplink in sufficient predetermined condition Transmission.

With reference to Figure 19, base station 1900 may include the transceiver 1910 and controller for being configured to send and receive signal 1930.By transceiver 1910, base station 1900 can send and/or receive signal, information and message.Controller 1930 can be controlled The integrated operation of base station 1900 processed.Controller 1930 may include at least one processor.Controller 1930 can be as described above Pass through Fig. 1 to 4,5A to 5C, 6 to 10,11A and 11B, the operation of 12 to 17 come controlling terminals.

In addition, controller 1930 sends RS configuration information to terminal, and RS is sent in corresponding resource.In addition, if Terminal sends a certain measurement report result or a certain RS configuring request information, the controller that the information has been received and can configure RS, corresponding configuration information and corresponding RS are sent to terminal or another adjacent base station is requested to provide RS for corresponding terminal Configuration.

If receiving a certain RS configuration information of particular terminal (or many unspecified terminals) from adjacent base station, this Kind configuration information can be sent to the terminal in network.

Although the disclosure has shown and described referring to the various embodiments of the disclosure, those skilled in the art will Understand, in the case where not departing from the spirit and scope of the present disclosure being defined by the appended claims and the equivalents thereof, Ke Yi Various changes are carried out in form and details.

Claims

1. a kind of method executed in wireless communication system by base station, which comprises

Determine the configuration about at least one reference signal relevant to the measurement of serving cell and neighboring community for switching Information；And

Identified configuration information is sent to terminal,

Wherein, identified configuration information includes the first information for the cell being sent to about at least one described reference signal With the second information of each of the resource that is sent in the cell about at least one described reference signal.

2. according to the method described in claim 1, the letter wherein shared to each of the resource in the information about resource Breath is included in the first information.

3. according to the method described in claim 2,

Wherein, it if be equal to each other for the Measurement bandwidth of at least one reference signal described in each of resource, closes It is included in the first information in the information of Measurement bandwidth,

Wherein, if it is different from each other for the Measurement bandwidth of at least one reference signal described in each of resource, it closes It is included in second information in the information of Measurement bandwidth, and

It wherein, include at least one of the following about the information of Measurement bandwidth: the Physical Resource Block for including in Measurement bandwidth (PRB) index of the PRB of quantity or the starting point corresponding to Measurement bandwidth.

4. according to the method described in claim 2,

Wherein, if the reference signal density information for each of resource is equal to each other, density information is included in In the first information, and

Wherein, if the reference signal density information for each of resource is different from each other, density information is included in In second information.

5. according to the method described in claim 1,

Wherein, the first information includes the information of the quantity of the ID and resource about cell,

Wherein, second information includes the ID of each of resource, and

Wherein, at least one described reference signal includes at least one of the following: channel state information-reference signal (CSI- ) or synchronization signal (SS) RS.

6. according to the method described in claim 1,

Wherein, the configuration information further includes having quasi- same position (QCL) relationship about at least one described reference signal The information of specific reference signals,

Wherein, the information about the specific reference signals includes at least one of the following: the ID of the specific reference signals The index information for the block that information or the specific reference signals are sent to, and

Wherein, the configuration information further includes at least one of the following: at least one described reference signal and the specific ginseng Examine the transmission time offset information or transmission frequency offset information between signal.

7. a kind of method executed in wireless communication system by terminal, which comprises

Receive the configuration information of at least one reference signal relevant to serving cell and neighboring community；

Measurement is executed for switching based on configuration information；And

To base station report measurement result,

Wherein, the configuration information includes the first information and the pass for the cell being sent to about at least one described reference signal In the second information of the respective resources that at least one described reference signal is sent in the cell.

8. according to the method described in claim 7,

Wherein, the information shared to each of the resource in the information about resource is included in the first information,

Wherein, second information includes the ID of each of resource, and

9. the base station in a kind of wireless communication system, the base station include:

Transceiver；With

At least one processor, is configured as:

Transceiver is controlled to determine about at least one reference relevant to the measurement of serving cell and neighboring community for switching The configuration information of signal；And

It controls transceiver and sends identified configuration information to terminal,

10. base station according to claim 9, wherein at least one described processor will be in the information about resource The shared information of each of resource is included in the first information.

11. base station according to claim 10,

Wherein, if be equal to each other for the Measurement bandwidth of at least one reference signal described in each of resource, institute At least one processor is stated to be additionally configured to determine that configuration information includes the information about Measurement bandwidth in the first information,

Wherein, if it is different from each other for the Measurement bandwidth of at least one reference signal described in each of resource, institute At least one processor is stated to be additionally configured to determine that configuration information includes the information about Measurement bandwidth in second information, And

12. base station according to claim 10,

Wherein, if the reference signal density information for each of resource is equal to each other, controller is configured as really Determining configuration information includes density information in the first information, and

Wherein, if the reference signal density information for each of resource is different from each other, controller is additionally configured to Determine that configuration information includes density information in second information.

13. base station according to claim 9, in which:

The first information includes the information of the quantity of the ID and resource about cell,

Second information includes the ID of respective resources,

At least one described reference signal includes at least one of the following: channel state information-reference signal (CSI-RS) or Synchronization signal (SS).

The configuration information further includes about the specific ginseng at least one described reference signal with quasi- same position (QCL) relationship Examine the transmission time offset information between the information and at least one described reference signal and the specific reference signals of signal Or at least one of transmission frequency offset information, and

Information about the specific reference signals includes at least one of the following: the id information of the specific reference signals or The index information for the block that the specific reference signals are sent to.

14. the terminal in a kind of wireless communication system, the terminal include:

Transceiver is configured as receiving the configuration information of at least one reference signal relevant to serving cell and neighboring community； And

At least one processor is configured as executing measurement based on configuration information to be used to switch, and controls transceiver to base Stand report measurement as a result,

15. terminal according to claim 14, in which:

The information shared to each of the resource in the information about resource is included in the first information, first letter Breath includes the information of the quantity of the ID and resource about cell,

Second information includes the ID of each of resource, and