CN108271260A - Wave beam determines method, base station and user equipment - Google Patents

Wave beam determines method, base station and user equipment Download PDF

Info

Publication number
CN108271260A
CN108271260A CN201611265371.8A CN201611265371A CN108271260A CN 108271260 A CN108271260 A CN 108271260A CN 201611265371 A CN201611265371 A CN 201611265371A CN 108271260 A CN108271260 A CN 108271260A
Authority
CN
China
Prior art keywords
base station
wave beam
information
candidate
configuration information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611265371.8A
Other languages
Chinese (zh)
Other versions
CN108271260B (en
Inventor
周凯捷
邓天乐
王新征
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201611265371.8A priority Critical patent/CN108271260B/en
Priority to PCT/CN2017/118016 priority patent/WO2018121436A1/en
Publication of CN108271260A publication Critical patent/CN108271260A/en
Application granted granted Critical
Publication of CN108271260B publication Critical patent/CN108271260B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/27—Control channels or signalling for resource management between access points

Abstract

The embodiment of the present application provides a kind of wave beam and determines method, including：First base station sends the channel quality indication (CQI) information for coming from UE to the second base station, it is selected in the wave beam for belonging to the second base station according to the channel quality indication (CQI) information to send the wave beam of downlink data to UE, and pass through first base station and the identification information for the wave beam selected is sent to UE from the second base station.Since channel quality indication (CQI) information can reflect fast channel variation, thus, the second base station accurately and timely can select suitable wave beam to be used for transmission data for UE, enhance communication reliability.

Description

Wave beam determines method, base station and user equipment
Technical field
The invention relates to wireless communication field, more particularly to a kind of wave beam determines method, base station and user equipment.
Background technology
New wireless access technology (new radio access technology, New RAT or NR) is compared to existing Wireless access technology is capable of providing shorter time delay, the bandwidth of bigger, and supports a large amount of connections, for meeting mobile communication Growing demand.
In NR systems, in order to obtain larger signal area coverage, base station can use narrow beam to user equipment (user Equipment, UE) transmission data, but narrow beam is easily blocked by barrier, in turn results in communication disruption.In order to promote communication Reliability and continuity, need the wave beam that timely updates.
In the prior art, such as in long term evolution (long term evolution, LTE) system, macro base station is according to UE The Reference Signal Received Power (reference signal received power, RSRP) or reference signal reported receives Quality (reference signal received quality, RSRQ) selects new carrier wave or micro-base station for UE.As used The scheme of the similar prior art selects wave beam for UE, and that due to the reflection of the measured values such as RSRP or RSRQ is link long-time statistical spy Property, it can not reflect fast channel variation, it is thus impossible to update wave beam for UE in time.
Invention content
The embodiment of the present application provides a kind of wave beam and determines method, base station and user equipment.
In a first aspect, the embodiment of the present application, which provides a kind of wave beam, determines method, including：
First base station receives channel quality indication (CQI) information from UE；The first base station sends out the channel quality indication (CQI) information Give the second base station, the channel quality indication (CQI) information determines the first wave beam for second base station for the UE, described the One wave beam belongs to second base station, and first wave beam is for the communication between second base station and the UE；Described first Base station receives the identification information of first wave beam from second base station；The first base station is by the mark of first wave beam Information is sent to the UE.
Using technical solution provided by the embodiments of the present application, first base station sends the channel matter for coming from UE to the second base station Amount instruction information, selected in the wave beam for belonging to the second base station according to the channel quality indication (CQI) information from the second base station for UE sends the wave beam of downlink data, and passes through first base station and the identification information for the wave beam selected is sent to UE.Due to channel Quality indication (CQI) information can reflect fast channel variation, thus, the second base station accurately and timely can select suitable wave for UE Beam is used for transmission data, enhances communication reliability, in the scene of UE switching-beams, can promote continuity.
In a kind of possible realization method of first aspect, the method further includes,
The first base station determines candidate beam for the UE；The first base station sends the candidate beam to the UE Configuration information, the configuration information includes the identification information of the candidate beam, and the configuration information of the candidate beam is used The reference signal of the candidate beam is measured in the UE；Then, the first base station can receive the UE and measure the time The channel quality indication (CQI) information that the reference signal of wave beam is selected to obtain.
Wherein, the gap information of the candidate beam can also be included in the configuration information of the candidate beam.
In a kind of possible realization method of first aspect, the method further includes,
The first base station received from second base station at least one wave beam for belonging to second base station with confidence Breath；Then, the first base station can determine the candidate beam according to the configuration information of at least one wave beam.
In a kind of possible realization method of first aspect, the first base station can send downlink control to the UE Information includes the identification information of first wave beam in the Downlink Control Information.
In a kind of possible realization method of first aspect, first base station is low frequency base station, and the second base station is high frequency During base station, the information between UE is responsible for by first base station and is transmitted, can efficiency of transmission be promoted with saving signaling expense.
Second aspect, in order to which the wave beam for realizing above-mentioned first aspect determines method, the embodiment of the present application provides a kind of base It stands, which has the function of to realize that above-mentioned wave beam determines first base station in method.The function can by hardware realization, Corresponding software can be performed by hardware to realize.The hardware or software include one or more corresponding with above-mentioned function Module.
In a kind of possible realization method of second aspect, which includes multiple function modules or unit, for reality Any one of existing above-mentioned first aspect wave beam determines method.
In a kind of possible realization method of second aspect, the structure of the base station includes processor, transceiver, described Processor is configured as supporting the device to perform any wave beam in above-mentioned first aspect and determine the corresponding of first base station in method Function.The transceiver is used to support the communication between the base station and terminal.It can also include memory in the base station, it is described Memory preserves the above-mentioned wave beam of device execution and determines the necessary program instruction of method and data for being coupled with processor. It can also include communication interface in the base station, for supporting the communication between the base station and the second base station.
The third aspect, the embodiment of the present application provide a kind of wave beam and determine method, including：
Second base station comes from the channel quality indication (CQI) information of UE by first base station reception；Second base station is according to institute It states channel quality indication (CQI) information and determines the first wave beam for the UE；Second base station notifies the mark of the first wave beam described in the UE Know information；Wherein, first wave beam belongs to the second base station, and first wave beam is used between second base station and the UE Communication.
In a kind of possible realization method of the third aspect, the method further includes,
Second base station belong to first base station transmission at least one wave beam of second base station with confidence Breath, the configuration information of at least one wave beam determine candidate beam for the first base station for the UE, described at least one The configuration information of a wave beam includes the identification information of at least one wave beam；Then, second base station can be from described One base station receives UE and measures the channel quality indication (CQI) information that the reference signal of candidate beam obtains.
In a kind of possible realization method of the third aspect, the method includes,
Second base station sends the configuration information of candidate beam to the UE, and the configuration information of the candidate beam is used for The UE measures the signal of the candidate beam to obtain the channel quality indication (CQI) information, the configuration information of the candidate beam Include the identification information of the candidate beam, the candidate beam belongs to second base station.Second base station can pass through broadcast Mode sends the configuration information of the wave beam by its management to UE, without being forwarded by first base station.
In a kind of possible realization method of the third aspect, the mark of the first wave beam described in the second base station notice UE Information includes, and second base station sends the identification information of first wave beam to the first base station, by the first base station The identification information of first wave beam is sent to the UE.
Fourth aspect, in order to which the wave beam for realizing the above-mentioned third aspect determines method, the embodiment of the present application provides a kind of base It stands, which has the function of to realize that above-mentioned wave beam determines first base station in method.The function can by hardware realization, Corresponding software can be performed by hardware to realize.The hardware or software include one or more corresponding with above-mentioned function Module.
In a kind of possible realization method of fourth aspect, which includes multiple function modules or unit, for reality Any one of existing above-mentioned first aspect wave beam determines method.
In a kind of possible realization method of fourth aspect, the structure of the base station includes processor, transceiver, described Processor is configured as supporting the device to perform any wave beam in the above-mentioned third aspect and determine the corresponding of first base station in method Function.The transceiver is used to support the communication between the base station and terminal.It can also include memory in the base station, it is described Memory preserves the above-mentioned wave beam of device execution and determines the necessary program instruction of method and data for being coupled with processor. It can also include communication interface in the base station, for supporting the communication between the base station and the second base station.
5th aspect, the embodiment of the present application provide a kind of wave beam and determine method, and the method includes first base station receives Channel quality indication (CQI) information is received from user equipment (UE)；The first base station is the UE according to the channel quality indication (CQI) information Determine the first wave beam, first wave beam belongs to the second base station, and first wave beam is for logical between second base station and UE Letter；The first base station sends the identification information of first wave beam to the UE, and the first base station is sent to the second base station Notification message, the notification message are used to indicate first wave beam.
The technical solution provided using the application, the channel quality indication (CQI) information that first base station reception UE is reported, and according to The channel quality indication (CQI) information selects the wave beam for sending downlink data to UE in the wave beam for belonging to the second base station, and will The identification information for the wave beam selected is sent to UE.Since channel quality indication (CQI) information can reflect fast channel variation, thus, The wave beam that first base station accurately and timely can select suitable second base station for UE is used for transmission data, and enhancing communication can By property, in the scene of UE switching-beams, continuity can be promoted.
In a kind of possible realization method of the 5th aspect, the method further includes,
The first base station determines candidate beam for the UE；The first base station sends the candidate beam to the UE Configuration information, the configuration information includes the identification information of the candidate beam, and the configuration information of the candidate beam is used The reference signal of the candidate beam is measured in the UE；Then, the first base station can receive the UE and measure the candidate The channel quality indication (CQI) information that the reference signal of wave beam obtains.
Wherein, the first base station is low frequency base station；And second base station is high frequency base station.
In a kind of possible realization method of the 5th aspect, the method further includes,
The first base station received from second base station at least one wave beam for belonging to second base station with confidence Breath；
The first base station determines that candidate beam includes for the UE,
The first base station determines the candidate beam according to the configuration information of at least one wave beam.
In a kind of possible realization method of the 5th aspect, the configuration information of the candidate beam further includes the candidate The gap information of wave beam.
In a kind of possible realization method of the 5th aspect, the first base station sends first wave beam to the UE Identification information include, the first base station sends Downlink Control Information to the UE, and institute is included in the Downlink Control Information State the identification information of the first wave beam.
In a kind of possible realization method of the 5th aspect, first base station is low frequency base station, and the second base station is high frequency During base station, the information between UE is responsible for by first base station and is transmitted, can efficiency of transmission be promoted with saving signaling expense.
6th aspect, in order to which the wave beam for realizing above-mentioned 5th aspect determines method, the embodiment of the present application provides a kind of base It stands, which has the function of to realize that above-mentioned wave beam determines first base station in method.The function can by hardware realization, Corresponding software can be performed by hardware to realize.The hardware or software include one or more corresponding with above-mentioned function Module.
In a kind of possible realization method of the 6th aspect, which includes multiple function modules or unit, for reality Any one of existing above-mentioned 5th aspect wave beam determines method.
In a kind of possible realization method of the 6th aspect, the structure of the base station includes processor, transceiver, described Processor is configured as supporting the device to perform any wave beam in above-mentioned 5th aspect and determine the corresponding of first base station in method Function.The transceiver is used to support the communication between the base station and terminal.It can also include memory in the base station, it is described Memory preserves the above-mentioned wave beam of device execution and determines the necessary program instruction of method and data for being coupled with processor. It can also include communication interface in the base station, for supporting the communication between the base station and the second base station.
7th aspect, the embodiment of the present application provide a kind of wave beam and determine method, the method includes,
Second base station receives notification message from first base station, and the notification message is used to indicate the determined by first base station One wave beam, first wave beam belong to second base station；Second base station determines to set with user using first wave beam Standby UE communicates.
In a kind of the 6th possible realization method of aspect, the method further includes, and the second base station is sent to first base station The configuration information of at least one wave beam of second base station, the configuration information of at least one wave beam is for described the One base station determines candidate beam.
The configuration information of at least one wave beam includes the identification information of at least one wave beam.
Eighth aspect, in order to which the wave beam for realizing above-mentioned 7th aspect determines method, the embodiment of the present application provides a kind of base It stands, which has the function of to realize that above-mentioned wave beam determines first base station in method.The function can by hardware realization, Corresponding software can be performed by hardware to realize.The hardware or software include one or more corresponding with above-mentioned function Module.
In a kind of possible realization method of eighth aspect, which includes multiple function modules or unit, for reality Any one of existing above-mentioned 7th aspect wave beam determines method.
In a kind of possible realization method of eighth aspect, the structure of the base station includes processor, transceiver, described Processor is configured as supporting the device to perform any wave beam in above-mentioned eighth aspect and determine the corresponding of first base station in method Function.The transceiver is used to support the communication between the base station and terminal.It can also include memory in the base station, it is described Memory preserves the base station above-mentioned wave beam of execution and determines the necessary program instruction of method and data for being coupled with processor. It can also include communication interface in the base station, for supporting the communication between the base station and the second base station.
9th aspect, the embodiment of the present application provide a kind of wave beam and determine method, the method includes,
UE obtains channel quality indication (CQI) information；The UE sends the channel quality indication (CQI) information to first base station, described Channel quality indication (CQI) information is for determining the first wave beam, and first wave beam belongs to the second base station, and first wave beam is used for institute State the communication between UE and second base station；The UE receives the identification information of first wave beam from the first base station.
Wherein, the channel quality indication (CQI) information specifically can be used for first base station and determine the first wave beam or for Two base stations determine the first wave beam.
In a kind of possible realization method of the 9th aspect, the method further includes,
The UE receives the configuration information of candidate beam, and the configuration information of the candidate beam includes the candidate beam Identification information；Then, the UE can measure the reference signal of the candidate beam, and obtain the corresponding channel of the candidate beam Quality indication (CQI) information.
In a kind of possible realization method of the 9th aspect, the configuration information that the UE receives candidate beam includes, institute The configuration information that UE receives the candidate beam from the first base station is stated, the candidate beam is the first base station according to category It is determined in the configuration information UE of at least one wave beam of second base station, at least one wave beam matches confidence Breath includes the mark letter of the reference signal of the identification information of at least one wave beam or the wave beam of at least one wave beam Breath.
In a kind of possible realization method of the 9th aspect, the configuration information that the UE receives candidate beam includes, institute The configuration information that UE receives the candidate beam from second base station is stated, the candidate beam belongs to second base station.
In a kind of possible realization method of the 9th aspect, the UE, which can be received, to be come under the first base station Row control information, the Downlink Control Information include the identification information of first wave beam.
Tenth aspect, in order to which the wave beam for realizing above-mentioned 9th aspect determines method, the embodiment of the present application provides a kind of UE, The base station has the function of to realize that above-mentioned wave beam determines UE in method.The function can also be passed through by hardware realization Hardware performs corresponding software and realizes.The hardware or software include the one or more and corresponding module of above-mentioned function.
In a kind of possible realization method of the tenth aspect, which includes multiple function modules or unit, is used to implement Any one of above-mentioned tenth aspect wave beam determines method.
In a kind of possible realization method of the tenth aspect, the structure of the UE includes processor, transceiver, the place Reason device is configured as that the UE is supported to perform the corresponding work(that any wave beam in above-mentioned 7th aspect determines first base station in method Energy.The transceiver is used to support the communication between the UE and base station.It can also include memory in the UE, the memory is used It is coupled in processor, preserves the above-mentioned wave beam of device execution and determine the necessary program instruction of method and data.
Tenth on the one hand, and the embodiment of the present application provides a kind of communication system, which includes above-mentioned second aspect The UE described in base station and the tenth aspect described in the base station, fourth aspect.
12nd aspect, the embodiment of the present application provide a kind of communication system, which includes the above-mentioned 6th aspect The UE described in base station and the tenth aspect described in the base station, eighth aspect.
13rd aspect, the embodiment of the present application provides a kind of computer storage media, for saving as above-mentioned second party The computer software instructions used in base station that face provides, it includes for performing above-mentioned first aspect or designed program.
Fourteenth aspect, the embodiment of the present application provide a kind of computer storage media, for saving as above-mentioned four directions The computer software instructions used in base station that face provides, it includes for performing the program designed by the above-mentioned third aspect.
15th aspect, the embodiment of the present application provides a kind of computer storage media, for saving as above-mentioned 6th side Face provide base station used in computer software instructions, it includes for perform it is above-mentioned 5th aspect or designed program.
16th aspect, the embodiment of the present application provides a kind of computer storage media, for saving as above-mentioned eighth Face provide base station used in computer software instructions, it includes for perform it is above-mentioned 7th aspect designed by program.
17th aspect, the embodiment of the present application provides a kind of computer storage media, for saving as above-mentioned tenth side Face provide UE used in computer software instructions, it includes for perform it is above-mentioned 9th aspect designed by program.
Description of the drawings
In order to illustrate more clearly of the technical solution in the embodiment of the present application, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.
Fig. 1 is a kind of configuration diagram of communication system provided by the embodiments of the present application；
Fig. 2 is the flow diagram that a kind of wave beam provided by the embodiments of the present application determines method；
Fig. 3 is the signaling process schematic diagram that a kind of wave beam provided by the embodiments of the present application determines method；
Fig. 4 is the flow diagram that a kind of wave beam provided by the embodiments of the present application determines method；
Fig. 5 is the signaling process schematic diagram that a kind of wave beam provided by the embodiments of the present application determines method；
Fig. 6 is a kind of structure diagram of base station 600 provided by the embodiments of the present application；
Fig. 7 is a kind of structure diagram of base station 700 provided by the embodiments of the present application；
Fig. 8 is a kind of structure diagram of base station 800 provided by the embodiments of the present application；
Fig. 9 is a kind of structure diagram of base station 900 provided by the embodiments of the present application；
Figure 10 is the structure diagram of UE provided by the embodiments of the present application a kind of；
Figure 11 is a kind of a kind of structure diagram of possible design of base station provided by the embodiments of the present application；
Figure 12 is a kind of a kind of structure diagram of possible design of base station provided by the embodiments of the present application；
Figure 13 is a kind of a kind of structure diagram of possible design of UE provided by the embodiments of the present application；
Figure 14 is a kind of schematic diagram of communication system 1400 provided by the embodiments of the present application.
Specific embodiment
Technology described in the embodiment of the present application can be used for plurality of communication systems, such as LTE system or using New The communication system of RAT.Wherein, LTE (evolved LTE, eLTE) system of evolution is included using the communication system of New RAT, Or communication system using the 5G communication technologys etc., this is not limited.
UE involved by the embodiment of the present application can include the handheld device with wireless communication function, mobile unit, Wearable device, computing device are connected to other processing equipments of radio modem and various forms of users set It is standby, mobile station (mobile station, MS), terminal (terminal), terminal device (terminal equipment) etc., For convenience of description, in the application, referred to as " user equipment " or " UE ".
The invention relates to base station can be evolved node B (NodeB or eNB or e- in LTE system NodeB, evolved Node B) the either base station equipment eLTE in base station equipment gNB or the eLTE system in 5G systems ENB etc..The embodiment of the present application is not specially limited base station type.
The embodiment of the present application defines base station to the unidirectional communications link of UE as downlink, and UE is to the one-way communication of base station Link is uplink.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit In three kinds of relationships, for example, A and/or B, can represent：Individualism A exists simultaneously A and B, these three situations of individualism B. In addition, character "/" herein, represents that forward-backward correlation object is a kind of relationship of "or".
" multiple " occurred in the embodiment of the present application refer to two or more.Occurred in the embodiment of the present application First, the descriptions such as second are only made signal and are used with distinguishing description object, without point of order, also do not indicated that in the embodiment of the present application Equipment number is particularly limited to, it is impossible to form any restrictions to the embodiment of the present application.
" connection " occurred in the embodiment of the present application refers to be directly connected to or the various connection modes such as is indirectly connected with, such as Distinct device is connected by communication interface, does not do any restriction.
" network " and " system " expression occurred in the embodiment of the present application is identical concept, and communication system is communication network Network.
Fig. 1 is a kind of communication system schematic diagram provided by the embodiments of the present application.
In communication system as shown in Figure 1, including the non-first base station and second with station deployment (non co-located) Base station.First base station can be connected with the second base station by preferable back haul link (backhaul) or non-ideal backhaul.
Do not show in Fig. 1, first base station and the second base station can also be with station deployment (co-located), i.e. first base station and the Two base stations are deployed on same website.Specifically, first base station and the second base station can share such as baseband processing unit (base band unit, BBU) equal controller, and respectively using such as Remote Radio Unit (radio remote unit, The signal receiving/transmission devices such as RRU), then first base station and the second base station can independent receiving and transmitting signals.
First base station and the second base station can directly or indirectly communicate.For example, first base station and the second base station are using communication Interface communicates.The communication interface between existing base station may be used in the communication interface or newly-established communication connects Mouthful.The communication interface can be fixed, the X2 interface in similar LTE system between eNB or event triggering foundation , the application is not specially limited this.Optionally, when first base station and the second base station co-sited, the communication interface is interior Portion's interface.After communication interface completion is initially set up, first base station and the second base station can carry out letter by the communication interface Breath interaction and data transmission.The physical media of above-mentioned communication interface can be copper cable, microwave, the connection modes such as optical fiber, the application Embodiment is not specially limited this.
It is appreciated that the quantity of the second base station shown in Fig. 1 is only to illustrate, and in practical networking scene, first base Multiple second base stations can be connected by standing.
As shown in Figure 1, the signal cover of the second base station, in the signal cover of first base station, the second base station can To play the role of supplement or enhancing to the covering of the signal of first base station.Do not show in Fig. 1, the signal cover of first base station can With the signal cover with the second base station, there are overlapping regions.Dashed lines labeled region is first base station or the second base station in Fig. 1 Signal cover.
Optionally, when the signal cover of the second base station is in the signal cover of first base station, first base station Macro base station (macro base station) can be used as, the second base station can be used as small base station (small base Station), then the signal cover of first base station is properly termed as macrocell (macro cell), and the signal of the second base station covers Lid range is properly termed as Microcell (micro cell).Wherein, small base station can be specifically micro-base station (Micro), femto base station (Pico) and the equipment such as femto base station (Femto), Home eNodeB, access point (access point, AP), the application are real Example is applied to be not specially limited this.
Optionally, the second base station disposes the base station of (non-stand alone, NSA) for dependent, i.e. on the second base station only User plane is established, is used for transmission data, and the control plane of the second base station is established in first base station, the second base station needs first base station Assistance and core network communications.Optionally, base station of second base station for independent deployment (stand alone, SA), i.e. on the second base station User plane and control plane are established, the second base station can independence and core network communications.It is appreciated that no matter the second base station is independent part Administration or dependent deployment, the second base station can carry out the operations such as scheduling of resource, including the wave beam for determining to use with UE communication.Separately Outside, in the application, first base station is the base station independently disposed, and has complete protocol stack, can independence and core network communications.
As shown in Figure 1, in signal covers of the UE simultaneously in first base station and the second base station, doubly-linked may be used in UE It connects (dual-connection, DC) mode or carrier aggregation (carrier aggregation, CA) mode accesses first base station With the second base station, then UE can be simultaneously from first base station and the second base station reception downlink data, promotion message transmission rate.
In the embodiment of the present application, first base station and the second base station can be same standard or different standard.Example Such as, first base station and the second base station are all the base stations of LTE standards；Alternatively, first base station and the second base station are all the bases of NR standards It stands；Alternatively, first base station is the base station of LTE standards, the second base station is the base station of NR standards.
Optionally, first base station is low frequency base station, and the second base station is high frequency base station；Alternatively, first base station is high frequency base station, And second base station be high frequency base station.Wherein, the low frequency base station refers to using low frequency signal (for example, carrier frequency is less than 6GHz Signal) transmission data base station, the high frequency base station refer to using high-frequency signal (for example, carrier frequency is greater than or equal to The signal of 6GHz) transmission data base station.It is appreciated that the low frequency and high frequency described in the embodiment of the present application are opposite general It reads, represents that the signal frequency range that the second base station uses is higher than the signal frequency range that first base station uses.
The bandwidth of high-frequency signal is larger (for example, more than 1GHz), is suitble to transmitting high speed data, but since high-frequency signal exists Path loss is serious in communication process, and information transmission reliability is poor, it is therefore possible to use beam forming (beam forming) is promoted Signal quality.Specifically, high frequency base station may be used one or more wave beams and send high-frequency signal.Since wave beam can be by barrier It blocks, in order to ensure the reliability of communication, UE can measure the signal quality of the wave beam of each high frequency base station, and be reported to network Side.If the performance of wave beam currently used UE is bad, network side can be that UE selects another wave beam for continuing to send height Frequency signal, and notify UE.
Wave beam described in the embodiment of the present application includes launching beam, refers at least one antenna port transmitting by base station During wireless signal, the space of formation has certain orientation and the radio wave of shape, it is seen then that wave beam has certain covering model It encloses.The method for forming wave beam can include emitting at least one antenna port weighting of the data into line amplitude and/or phase Wave beam is formed, can also be by other methods, such as the relevant parameter of adjustment antenna element, to form wave beam, the application is real Example is applied to be not specially limited this.In addition, the wave beam in the embodiment of the present application includes the wave beam of horizontal plane and/or the wave of vertical plane Beam.
Fig. 2 is the flow diagram that a kind of wave beam provided by the embodiments of the present application determines method, which determines that method can With suitable for communication system shown in FIG. 1.
In the embodiment of the present application, it is respectively present communication connection between UE and first base station, UE and the second base station.Specifically Ground, UE can access first base station and at least one second base station simultaneously by DC CA modes, and the embodiment of the present application is to UE Access way is not specially limited.In addition, first base station can respectively communicate at least second base station, specifically, There are independent communication interfaces between first base station and each second base station, specifically may refer to the phase of communication system shown in Fig. 1 Description is closed, this will not be repeated here.
This method comprises the following steps：
S201：UE sends channel quality indication (CQI) information to first base station.
Wherein, channel quality indication (CQI) information can be specifically channel quality instruction (channel quality indictor, CQI).
Optionally, UE can periodicity or aperiodicity report the channel quality indication (CQI) information, alternatively, UE can be with base The channel quality indication (CQI) information is reported in event triggering, the embodiment of the present application is not specially limited this.
S202：The channel quality indication (CQI) information received is sent to the second base station by first base station.
S203：Second base station selects the first wave beam according to the channel quality indication (CQI) information received for UE.Wherein, described One wave beam belongs to the second base station, and first wave beam is for the communication between the second base station and UE.
Communication of first wave beam between the second base station and UE includes, and the second base station can use the first wave beam to UE Send downlink data.In the embodiment of the present application, the first wave beam belongs to the second base station, i.e. the first wave beam by the second BTS management or Person says, second the first wave beam of Base Transmitter.Specifically, one or more wave beams, the second base station can be configured in each second base station The wave beam of upper configuration can be used for carrying high-frequency signal, and the high-frequency signal can be used for the downlink data that transmission is sent to UE. Optionally, first wave beam is narrow beam.
Optionally, if UE supports multi-beam communication (or for multi-stream communication), UE can simultaneously using two or two with Upper wave beam receives data, and therefore, the second base station can belong to the second base station according to the maximum value of the number of the UE wave beams supported Wave beam in selection corresponding number wave beam be used for UE downlink data transmission.For example, UE supports 4 multibeam communications, then the second base It at most can be that UE selects 4 wave beams for belonging to the second base station to stand, that is, determines 4 the first wave beams.
S204：The identification information of first wave beam is sent to first base station by the second base station.
Specifically, after the second base station determines the first wave beam, the identification information of first wave beam can be sent to One base station is transmitted to UE by first base station.When first base station is low frequency base station, and the second base station is high frequency base station, by the first base It stands and the identification information of the first wave beam is sent to UE, signaling overheads is small, and information is transmitted efficient.
S205：The identification information of the first wave beam received is sent to UE by first base station.
Specifically, the first base station can send Downlink Control Information (downlink control to the UE Information, DCI), the identification information of first wave beam is included in the Downlink Control Information.UE is according to receiving Identification information in DCI determines the first wave beam, and communicates on the first wave beam with the second base station.
Wherein, the identification information of first wave beam include wave beam mark (beam identity, beam ID) and/or, The information of the reference signal of first wave beam.Specifically, the information of the reference signal of first wave beam includes the reference The identification information of signal and/or the offset of reference signal.Wherein, the identification information of reference signal can pass through root sequence table Show, the offset of reference signal is the offset of root sequence.Different root sequences may map to different wave beams；Alternatively, When root sequence by the offset of each sequence mutually at the same time it can also being mapped to corresponding wave beam.
Optionally, as a kind of embodiment of the application, the method further includes following steps：
S200a：First base station determines at least one candidate beam for the UE.
S200b：First base station sends the configuration information of the candidate beam to the UE.
Wherein, the configuration information of the candidate beam includes the identification information of the candidate beam.
Optionally, the identification information of the candidate beam includes the wave beam mark of candidate beam and/or the ginseng of candidate beam Examine the information of signal.
S200c：UE measures the reference signal of candidate beam according to the configuration information of the candidate beam received, Obtain the corresponding channel quality indication (CQI) information of candidate beam.
Specifically, after UE obtains the configuration information of above-mentioned candidate beam, the mark letter of candidate beam therein can be obtained Breath, and then corresponding candidate beam is retrieved, and the signal quality of the reference signal of candidate beam is measured.
The corresponding channel quality indication (CQI) information of the candidate beam is the channel matter that UE is sent to first base station in S201 Amount instruction information.
In this embodiment, S203 can specifically include：The letter of the candidate beam that second base station is reported according to UE Road quality information selects the first wave beam in candidate beam.
Optionally, the first base station reception belongs to the configuration information of at least one wave beam of second base station, and root Above-mentioned candidate beam is determined according to the configuration information of at least one wave beam.Specifically, due to the second BTS management one or more A wave beam, the mark of one or more wave beams that the second base station can send its management by communication interface to first base station are believed Breath, then first base station can determine the candidate beam, example according to the configuration information for the wave beam for belonging to the second base station received Such as, first base station using the wave beam for belonging to the second base station as the candidate beam of UE or in the wave beam for belonging to the second base station A part is selected as candidate beam, and the configuration information of candidate beam is sent to UE.
It is appreciated that when first base station connects the second base station of multiple same types simultaneously, such as when a low frequency base station Multiple high frequency base stations are connected, and UE accesses low frequency base station and multiple high frequency base stations simultaneously simultaneously, each high frequency base station can The identification information of wave beam is sent to low frequency base station, i.e. low frequency base station receives the mark for multiple wave beams that multiple high frequency base stations are sent Information, and candidate beam is selected in the wave beam for belonging to the multiple high frequency base station, i.e., it can include and belong to not in candidate beam Multiple wave beams of same high frequency base station.And then it accesses some in the multiple high frequency base station in UE and has used the height In the scene of the multi-beam transmission data of frequency base station, if wave beam performance currently used UE is bad, high frequency base station (the source high frequency base Stand) it can be determined to need to be switched on the wave beam of other high frequency base stations according to the channel quality indication (CQI) information that UE is reported, the high frequency Base station can send wave beam handover request to targeted high frequency base station, can if targeted high frequency base station agrees to that the beam switchover is asked Confirmation message is sent to source high frequency base station, and then, UE can be switched on the wave beam of different high frequency base stations.
Optionally, since same high frequency base station can manage multiple wave beams, high frequency base station may be that UE selections belong to Other wave beams of the high frequency base station are used for transmission data, i.e. UE can also be cut on the different beams of same high frequency base station It changes.The embodiment of the present application is not specially limited this.
In addition, when UE supports multi-beam transmission, i.e. when UE receives downlink data using multiple wave beams simultaneously, if the multiple Part or all of wave beam performance in wave beam is bad, and high frequency base station can determine to switch the part or all of wave beam.Wherein, when During switching part wave beam, remaining wave beam is remained to by UE normal uses.It is appreciated that when there are two or more than two wave beam need by During switching, high frequency base station one by one switches over each wave beam, does not repeat.
Optionally, the gap information of the candidate beam is further included in the configuration information of the candidate beam, according to described Gap information, UE can know the period of the second Base Transmitter candidate beam, including, the second base station it is specific which when engrave Send candidate beam.
Optionally, as the embodiment of the application, the configuration information of candidate beam can be sent by the second base station To UE.Specifically, the second base station can will belong to the wave beam of second base station all as candidate beam, and be wrapped in broadcast message Configuration information containing candidate beam, then UE by read the second base station broadcast message, just can obtain the wave for belonging to the second base station The configuration information of beam, so as to which the reference signal of the wave beam to belonging to the second base station measures, without being sent out from first base station to UE Send the configuration information of candidate beam.
It is appreciated that the embodiment of the present application does not do any restriction to the type or standard of first base station and the second base station. For example, first base station is the low frequency base station of LTE standards, and the second base station is the high frequency base station of NR standards；Alternatively, first base station is The low frequency base station of NR standards, and the second base station is the high frequency base station of NR standards；Alternatively, first base station is the high frequency base of NR standards It stands, and the second base station is the high frequency base station of NR standards.
Optionally, it is supreme from the beam switchover being currently accessed to determine that method is suitable for UE for wave beam provided by the embodiments of the present application State the first wave beam.For example, UE can also switch between the different beams of same high frequency base station or UE is from high frequency base station Beam switchover does not remake and repeats to the wave beam of another high frequency base station.
Optionally, wave beam provided by the embodiments of the present application determines that method is suitable for the scene that UE is initially accessed wave beam, for example, UE has accessed low frequency base station and high frequency base station, but not yet starts to carry out data transmission with high frequency base station, then low frequency base station can To issue the configuration information of all wave beams by high frequency BTS management to UE, the reference signal of these wave beams is measured by UE backward Low frequency base station reports CQI, then high frequency base station or low frequency base station select suitable wave in the wave beam of high frequency base station according to CQI for UE Beam, then UE the wave beam selected can be utilized to carry out data transmission with high frequency base station.
Fig. 3 is the signaling process figure that a kind of wave beam provided by the embodiments of the present application determines method.
It is appreciated that on the basis of embodiment illustrated in fig. 3 is embodiment shown in Fig. 2, to provided by the embodiments of the present application Wave beam determines being explained further and illustrating for method, to the content of by the agency of will not repeat in embodiment illustrated in fig. 2.
In order to make it easy to understand, embodiment illustrated in fig. 3, using first base station as low frequency base station, the second base station is carried out for high frequency base station Illustrate, wherein, there are communication interface between low frequency base station and high frequency base station, UE has been respectively connected to low frequency base station and high frequency base It stands.It is appreciated that in practical networking scene, a low frequency base station can be with one or more high frequency base station communications, reality shown in Fig. 3 The high frequency base station applied in example is only for example, and does not form any restriction to the embodiment of the present application.
Described method includes following steps：
S301：Candidate beam is configured for UE in low frequency base station.
Wherein, the candidate beam can include the one or more wave beams for belonging to high frequency base station.Optionally, high frequency base station The configuration message of wave beam can be sent to low frequency base station, by low frequency base station according to the beam configuration information received, determines candidate's wave Constriction closes.
Optionally, low frequency base station can be according to historical information, selected section or whole wave beams in the wave beam of high frequency base station Candidate beam set is formed, mark and UE of the historical information including the UE wave beams once used are in these used waves The information such as the signal transmission quality of beam.Signal transmission quality can be met certain threshold value by low frequency base station, and used by UE Belong to the wave beam of the high frequency base station as candidate beam.
S302：Low frequency base station sends the configuration information of the candidate beam to UE.
S303：UE measures the reference signal of the candidate beam according to the configuration information of candidate beam.
Specifically, UE measures the signal quality of the reference signal of the candidate beam, obtains corresponding with candidate beam CQI, wherein, CQI can include：UE is according to measuring the modulating-coding of the obtained signal quality of reference signal to network side suggestion The information such as mode (modulation and coding scheme, MCS).
S304：UE sends the corresponding CQI of candidate beam to low frequency base station.
Optionally, UE can also report pre-coding matrix instruction (precoding matrix to low frequency base station Indicator, PMI) and/or order instruction (rank indicator, RI), for high frequency base station wave beam is selected for UE.Wherein, base Standing can know that UE could support up several wave beams and communicate simultaneously according to RI, if UE supports to communicate using multi-beam, high frequency base Multiple wave beams can be selected for sending downlink data to UE by standing.
S305：Candidate beam is corresponded to CQI and is sent to high frequency base station by low frequency base station.
S306：High frequency base station selects the first wave beam according to CQI in candidate beam.
First wave beam is the wave beam for being suitble to send downlink data to UE.
For example, high frequency base station can be according to CQI, the wave beam for selecting to meet transmission conditions is as the first wave beam.Wherein, it is described Transmission conditions can include：Handling capacity meets certain threshold value, and either signal quality meets certain threshold value or reliability is most excellent One or more conditions, the embodiment of the present application are not particularly limited the particular content of transmission conditions.
S307：High frequency base station sends the identification information of the first wave beam to low frequency base station.
S308：Low frequency base station sends DCI to UE, and the identification information of first wave beam is included in the DCI.
S309：UE obtains the identification information of the first wave beam.
Specifically, UE receives the DCI information, obtains the identification information of the first wave beam included in the DCI.
After the completion of above-mentioned wave beam determination process, high frequency base station may be used the first wave beam and communicate with UE, such as adopt It is that UE sends downlink data with the first wave beam.
Optionally, in the another embodiment of the application, if UE is connected to low frequency base station and multiple high frequency bases respectively It stands, such as high frequency base station 1 and high frequency base station 2, and the currently used wave beams of UE belong to high frequency base station 1, then the candidate wave that UE is measured Beam can include the wave beam of high frequency base station 1 and high frequency base station 2, then the CQI that UE is reported includes the wave beam for belonging to different high frequency base stations Corresponding CQI.Assuming that high frequency base station 1 has selected the wave beam of high frequency base station 2 as the first wave beam according to the CQI that UE is reported, then it is high Frequency base station 1 also sends handover request message other than the identification information of notice the first wave beams of UE to high frequency base station 2, described to cut The identification information of the first wave beam can be included by changing request message, and the message is for asking beam switchover currently used UE to the One wave beam.If high frequency base station 2, which confirms, to be communicated using the first wave beam with UE, confirmation message is sent to high frequency base station 1, The handoff procedure of wave beam is then completed by high frequency base station 1 and UE, and then, high frequency base station 2 may be used first wave beam and be sent out to UE Send downlink data.Optionally, if there are direct communication connection between high frequency base station 1 and high frequency base station 2, high frequency base station 1 can be with Directly to or high frequency base station 2 send handover request message, high frequency base station 2 can directly to high frequency base station 1 send confirmation message；Or Person, high frequency base station 1 or high frequency base station 2 can forward above-mentioned handover request message or confirmation message by low frequency base station.
The wave beam provided using Fig. 2 or embodiment illustrated in fig. 3 determines method, and first base station is sent to the second base station to be come from The channel quality indication (CQI) information of UE, by the second base station according to the channel quality indication (CQI) information in the wave beam for belonging to the second base station The wave beam for sending downlink data to UE is selected, and passes through first base station and is sent to the identification information for the wave beam selected UE.Since channel quality indication (CQI) information can reflect fast channel variation, thus, the second base station can be accurately and timely UE Suitable wave beam is selected to be used for transmission data, enhances communication reliability, in the scene of UE switching-beams, communication can be promoted Continuity.
Fig. 4 is the flow diagram that another wave beam provided by the embodiments of the present application determines method, which determines method It can be adapted in communication system shown in FIG. 1.
Difference lies in embodiment illustrated in fig. 4, by the first base for embodiment illustrated in fig. 4 and Fig. 2 or embodiment illustrated in fig. 3 It stands and the first wave beam is determined according to channel quality indication (CQI) information.It is in order to describe succinct, with being introduced in Fig. 2 or embodiment illustrated in fig. 3 The identical part of content will not repeat.
This method comprises the following steps：
S401：UE sends channel quality indication (CQI) information to first base station.
S402：First base station selects the first wave beam according to channel quality indication (CQI) information for UE.
Wherein, the first wave beam belongs to the second base station, and the first wave beam can be used for the communication between UE and the second base station.About The detailed description of first wave beam is referred to the related content in the application other embodiment, and this will not be repeated here.
Concrete mode about the first wave beam of selection is referred to the related content in the application other embodiment, herein not It repeats.
S403：First base station sends the identification information of first wave beam to the UE.
Optionally, the identification information of the first wave beam includes the information of the reference signal of wave beam ID and/or the first wave beam.
S404：First base station sends a notification message to the second base station, and the notification message is used to indicate first wave beam.
S405：Second base station determines to communicate with UE using the first wave beam.
Optionally, first base station is low frequency base station, and the second base station is high frequency base station.
It is appreciated that first base station is after the first wave beam is determined, it is possible to notify respectively UE and the second base station this first The relevant information of wave beam, therefore, S403 and S404 are not carried out the differentiation of sequence, can perform in the order described above, can also be first It performs S404 to perform S403 again or be performed simultaneously, the embodiment of the present invention does not do this any restriction.
It can include the identification information of the first wave beam in the notification message, for notifying the second base station that can activate the wave Beam, and transmit downlink data for UE.Optionally, flag bit can also be included in the notification message, for notifying the second base station The wave beam that wave beam currently used UE will be switched to the second base station, such as flag bit represent beam switchover for " 1 ".
Optionally, as the embodiment of the application, first base station determines candidate beam for the UE；And it is sent out to UE The configuration information of the candidate beam is sent, then, UE can measure the candidate beam according to the configuration information of the candidate beam Reference signal, obtain the corresponding channel quality indication (CQI) information of candidate beam, and be sent to first base station.About the embodiment Specific descriptions be referred to related content in Fig. 2-Fig. 3 embodiments, this will not be repeated here.
Optionally, first base station can send Downlink Control Information to UE, and the Downlink Control Information includes first wave The identification information of beam.
Fig. 5 is the signaling process schematic diagram that a kind of wave beam provided by the embodiments of the present application determines method.
It is appreciated that on the basis of embodiment illustrated in fig. 5 is embodiment shown in Fig. 3, to provided by the embodiments of the present application Wave beam determines being explained further and illustrating for method, and to the application, other show in embodiment that the content of by the agency of will not be done superfluous It states.
In order to make it easy to understand, embodiment illustrated in fig. 5, using first base station as low frequency base station, the second base station is carried out for high frequency base station Illustrate, wherein, there are communication interface between low frequency base station and high frequency base station, UE has been respectively connected to low frequency base station and high frequency base It stands.
This method comprises the following steps：
S501：Candidate beam is configured for UE in low frequency base station.
Wherein, candidate beam can be subordinated to what is chosen in the wave beam of high frequency base station with low frequency base station, about the candidate wave of configuration The concrete mode of beam is referred to the related content of the application other embodiment, does not repeat.
S502：Low frequency base station sends the configuration information of candidate beam to UE.
The particular content of configuration information about candidate beam is referred to the related content of the application other embodiment, no It repeats.
S503：UE measures the reference signal of the candidate beam according to the configuration information of candidate beam.
The related content of the application other embodiment is referred to about the specific descriptions for measuring candidate beam, is not done superfluous It states.
S504：UE will be reported to low frequency base station with the relevant CQI of candidate beam.
Specifically, CQI can be directly reported to low frequency base station by UE；Or CQI is reported to high frequency base station by UE, and by height Frequency base station is transmitted to low frequency base station.
Optionally, UE can also report PMI and/or RI to low frequency base station, select wave beam for UE for low frequency base station, do not do It repeats.
S505：Low frequency base station selects the first wave beam according to CQI in candidate beam.
First wave beam is the wave beam for being suitble to send downlink data to UE.
Concrete mode about the first wave beam of selection is referred to the related content of the application other embodiment, does not do superfluous It states.
S506：Low frequency base station sends a notification message to high frequency base station, and the notification message is used to indicate the first wave beam.
S507：High frequency base station determines to send downlink data to UE using the first wave beam.
S508：Low frequency base station sends DCI information to UE, and the identification information of first wave beam is included in the DCI information.
S509：UE obtains the identification information of the first wave beam.
It is appreciated that point for the sequencing that S507-S508 and S508-S509 are not carried out, can first carry out S507- S508, then S508-S509 is performed, S508-S509 can also be first carried out, then perform S507-S508, can also be performed simultaneously, this Application embodiment is not specially limited this.
After the completion of above-mentioned wave beam determination process, high frequency base station may be used the first wave beam and communicate with UE, such as adopt It is that UE sends downlink data with the first wave beam.
The wave beam provided using Fig. 4 or embodiment illustrated in fig. 5 determines method, and first base station receives the channel quality that UE is reported It indicates information, and select in the wave beam for belonging to the second base station according to the channel quality indication (CQI) information for UE transmission downlinks The wave beam of data, and the identification information for the wave beam selected is sent to UE.Since channel quality indication (CQI) information can reflect soon Fast channel variation, thus, the wave beam that first base station accurately and timely can select suitable second base station for UE is used for transmission number According to enhancing communication reliability, in the scene of UE switching-beams, continuity can be promoted.When first base station is low frequency Base station, and when the second base station is high frequency base station, information between UE is responsible for by first base station and is transmitted, can with saving signaling expense, Promote efficiency of transmission.
Fig. 6 is a kind of structure diagram of base station 600 provided by the embodiments of the present application.
Base station 600 can perform the operation of the first base station in Fig. 2 or embodiment illustrated in fig. 3, about each list in base station 600 The introduction of relevant operation that the first base station that the specific descriptions of the function of member are referred in Fig. 2 or embodiment illustrated in fig. 3 performs.
Base station 600 includes：
First receiving unit 601：For receiving channel quality indication (CQI) information from UE.
First transmitting element 602：For the channel quality indication (CQI) information to be sent to the second base station, the channel quality Instruction information determines the first wave beam for second base station for the UE, and first wave beam belongs to second base station, institute The first wave beam is stated for the communication between second base station and the UE.
Second receiving unit 603：For receiving the identification information of first wave beam from second base station.
Second transmitting element 604：The identification information of first wave beam is sent to the UE.
Optionally, the second transmitting element 604 is specifically used for, and Downlink Control Information, the downlink control are sent to the UE The identification information of first wave beam is included in information.
The identification information of first wave beam can include the letter of the reference signal of wave beam ID and/or the first wave beam Breath, does not repeat.
Optionally, as the embodiment of the application, the base station further includes processing unit 605, for being described UE determines candidate beam；Optionally, the second transmitting element 604 is additionally operable to, and matches confidence to the UE transmissions candidate beam Breath, the configuration information include the identification information of the candidate beam, and the configuration information of the candidate beam is used for the UE Measure the reference signal of the candidate beam；In this embodiment, the first receiving unit 601 is specifically used for, and receives the UE Measure the channel quality indication (CQI) information that the reference signal of the candidate beam obtains.
Optionally, the second receiving unit 603 is additionally operable to, and is received from second base station and is belonged to second base station at least The configuration information of one wave beam；Then processing unit 605 can be used for, and institute is determined according to the configuration information of at least one wave beam State candidate beam.
The particular content introduction of the first wave beam is selected to be referred to this about determining candidate beam and in candidate beam Apply for the related content of other embodiment, do not repeat.
Optionally, the gap information of the candidate beam is further included in the configuration information of the candidate beam.About time slot The specific of information introduces the related content for being referred to the application other embodiment, does not repeat.
Optionally, base station 600 is low frequency base station；And second base station is high frequency base station.
As shown in fig. 6, it can be connected with each other by way of communication bus between each unit in base station 600.In Fig. 6 not Show, each unit in the base station can also be connected using other direct or indirect connection modes, and the embodiment of the present invention does not do this It is particularly limited to.
In another embodiment of the present invention, in hardware realization, can the first receiving unit 601 be performed by transceiver And second transmitting element 604 function；Can the first transmitting element 602 and the second receiving unit be performed by communication interface 603 function；The function of processing unit 605 can be performed by processor.Wherein, the transceiver is used for base station 600 and user The communication of equipment room, the communication interface is for the communication between base station 600 and for example above-mentioned second base station of other network equipments, institute Stating processor can be embedded in or independently of in the processor of base station, can also be stored in base station in a software form in the form of hardware Memory in, perform the corresponding operation of more than each unit in order to which processor calls.
Using base station 600 provided by the embodiments of the present application, the channel quality indication (CQI) information that UE is reported is received, and is sent to the Two base stations, so that the second base station selected wave beam for being used to send downlink data to UE, then the mark to UE the first wave beams of transmission Information is responsible for the information between UE by base station 600 and transmitted, when base station 600 is low frequency base station, can carried with saving signaling expense Rise efficiency of transmission.
Fig. 7 is a kind of structure diagram of base station 700 provided by the embodiments of the present application.
Base station 700 can perform the operation of the second base station in Fig. 2 or embodiment illustrated in fig. 3.About each list in base station 700 The introduction of relevant operation that the second base station that the specific descriptions of the function of member are referred in Fig. 2 or embodiment illustrated in fig. 3 performs.
Base station 700 includes：
Receiving unit 701：For coming from the channel quality indication (CQI) information of UE by first base station reception.
Processing unit 702：For determining the first wave beam for the UE according to the channel quality indication (CQI) information, wherein, institute It states the first wave beam and belongs to base station 700, first wave beam is for the communication between base station 700 and UE.
The related content of the application other embodiment is referred to about the specific steps description for determining the first wave beam, is not done It repeats.
First transmitting element 703：For notifying the identification information of the first wave beam described in the UE.
Optionally, as the embodiment of the application, the first transmitting element 703 is additionally operable to, to the first base station Send the configuration information at least one wave beam for belonging to base station 700, the configuration information of at least one wave beam is for described the One base station determines candidate beam for the UE, and the configuration information of at least one wave beam includes at least one wave beam Identification information；Then receiving unit 701 specifically can be used for, and the reference signal of UE measurement candidate beams is received from the first base station The obtained channel quality indication (CQI) information.
Optionally, base station 700 further includes the second transmitting element 704, for matching confidence to UE transmission candidate beams Breath, the signal that the configuration information of the candidate beam measures the candidate beam for the UE are referred to obtaining the channel quality Show information, the configuration information of the candidate beam includes the identification information of the candidate beam, and the candidate beam belongs to described Second base station.
Optionally, the first transmitting element 703 is specifically used for, and the mark that first wave beam is sent to the first base station is believed Breath, the UE is sent to by the first base station by the identification information of first wave beam.
As shown in fig. 7, it can be connected with each other by way of communication bus between each unit in base station 700.In Fig. 7 not Show, each unit in the base station can also be connected using other direct or indirect connection modes, and the embodiment of the present invention does not do this It is particularly limited to.
In another embodiment of the present invention, in hardware realization, can by communication unit perform receiving unit 701 with And first transmitting element 703 function；The function of the second transmitting element 704 can be performed by transceiver；It can be held by processor The function of row processing unit 702.Wherein, the transceiver is for the communication between base station 700 and user equipment, the communication interface For the communication between base station 700 and for example above-mentioned first base station of other network equipments, the processor can be interior in the form of hardware It is embedded in or independently of in the processor of base station, can also be stored in the memory of base station in a software form, in order to processor It calls and performs the corresponding operation of more than each unit.
It is UE selection hairs according to the channel quality indication (CQI) information that UE is sent using base station 700 provided by the embodiments of the present application The wave beam of downlink data is sent, since channel quality indication (CQI) information can reflect fast channel variation, thus, base station 700 can be accurate Really, suitable wave beam is selected to be used for transmission data for UE in time.
Fig. 8 is a kind of structure diagram of base station 800 provided by the embodiments of the present application.
Base station 800 can perform the operation of the first base station in Fig. 4 or embodiment illustrated in fig. 5.About each list in base station 800 The introduction of relevant operation that the first base station that the specific descriptions of the function of member are referred in Fig. 4 or embodiment illustrated in fig. 5 performs.
Base station 800 includes：
First receiving unit 801：Channel quality indication (CQI) information is received for receiving from UE.
Processing unit 802：For determining the first wave beam for the UE according to the channel quality indication (CQI) information, described first Wave beam belongs to the second base station, and first wave beam is for the communication between second base station and UE.
First transmitting element 803：For sending the identification information of first wave beam to the UE.
Second transmitting element 804：For sending a notification message to the second base station, the notification message is used to indicate described One wave beam.
Optionally, as the embodiment of the application, processing unit 802 is additionally operable to：Candidate wave is determined for the UE Beam；First transmitting element 803 is additionally operable to：The configuration information of the candidate beam is sent to the UE, is wrapped in the configuration information The identification information of the candidate beam is included, the configuration information of the candidate beam measures the ginseng of the candidate beam for the UE Examine signal；Then, the first receiving unit 801 is specifically used for：It receives the UE and measures what the reference signal of the candidate beam obtained The channel quality indication (CQI) information.
Optionally, base station 800 further includes the second receiving unit 805：Belong to described for being received from second base station The configuration information of at least one wave beam of two base stations；Then, processing unit 802 is specifically used for：According to the first base station according to institute The configuration information for stating at least one wave beam determines the candidate beam.
Optionally, the configuration information of the candidate beam further includes the gap information of the candidate beam.
Optionally, first transmitting element 803 is specifically used for, and Downlink Control Information, the downlink are sent to the UE The identification information of first wave beam is included in control information.
Optionally, base station 800 is low frequency base station；And second base station is high frequency base station.
As shown in figure 8, it can be connected with each other by way of communication bus between each unit in base station 800.In Fig. 8 not Show, each unit in the base station can also be connected using other direct or indirect connection modes, and the embodiment of the present invention does not do this It is particularly limited to.
In another embodiment of the present invention, in hardware realization, can the first receiving unit 801 be performed by transceiver And first transmitting element 803 function；Can the second transmitting element 804 and the second receiving unit be performed by communication unit 805 function；The function of processing unit 802 can be performed by processor.Wherein, the transceiver is used for base station 800 and user The communication of equipment room, the communication interface is for the communication between base station 800 and for example above-mentioned second base station of other network equipments, institute Stating processor can be embedded in or independently of in the processor of base station, can also be stored in base station in a software form in the form of hardware Memory in, perform the corresponding operation of more than each unit in order to which processor calls.
Using base station 800 provided by the embodiments of the present application, the channel quality indication (CQI) information that UE is reported is received, and according to described Channel quality indication (CQI) information selects the wave beam for sending downlink data to UE in the wave beam for belonging to the second base station, and will selection The identification information of the wave beam gone out is sent to UE.Since channel quality indication (CQI) information can reflect fast channel variation, thus, base station 800 wave beams that accurately and timely can select suitable second base station for UE are used for transmission data, enhance communication reliability, In the scene of UE switching-beams, continuity can be promoted.
Fig. 9 is a kind of structure diagram of base station 900 provided by the embodiments of the present application.
Base station 900 can perform the operation of the second base station in Fig. 4 or embodiment illustrated in fig. 5.About each list in base station 900 The introduction of relevant operation that the second base station that the specific descriptions of the function of member are referred in Fig. 4 or embodiment illustrated in fig. 5 performs.
Base station 900 includes：
Receiving unit 901：For the second base station from first base station receive notification message, the notification message be used to indicate by The first wave beam that first base station determines, first wave beam belong to second base station；
Processing unit 902：For determining to carry out the communication between base station 900 and UE using first wave beam.
Optionally, base station 900 further includes transmitting element, for sending second base station at least to first base station The configuration information of one wave beam, the configuration information of at least one wave beam determine candidate beam for the first base station.
The configuration information of at least one wave beam includes the identification information of at least one wave beam.
Then, first base station can be according to UE to the measurement result of the reference signal of candidate beam, such as CQI, in candidate wave First wave beam is determined in beam.The correlation of the application other embodiment is referred to about the detailed description for determining the first wave beam Content, this will not be repeated here.
As shown in figure 9, it can be connected with each other by way of communication bus between each unit in base station 900.In Fig. 9 not Show, each unit in the base station can also be connected using other direct or indirect connection modes, and the embodiment of the present invention does not do this It is particularly limited to.
In another embodiment of the present invention, in hardware realization, can by communication unit perform receiving unit 901 with And the function of transmitting element 902；The function of processing unit 902 can be performed by processor.Wherein, the communication interface is used for base The communication stood between 900 and for example above-mentioned first base station of other network equipments, the processor can be embedded in the form of hardware or It independently of in the processor of base station, can also be stored in the memory of base station in a software form, in order to which processor calling is held The corresponding operation of row more than each unit.
Using base station 900 provided by the embodiments of the present application, it can be switched to the wave beam used in UE transmission downlink datas in time, Enhance communication reliability and continuity.
Figure 10 is the structure diagram of UE1000 provided by the embodiments of the present application a kind of.
UE1000 can perform the operation of the UE in Fig. 2-Fig. 5 any embodiments.Function about each unit in UE1000 Specific descriptions be referred to the introduction of the relevant operation that UE in any illustrated embodiments of Fig. 2-Fig. 5 is performed.
UE1000 includes：
Processing unit 1001：For obtaining channel quality indication (CQI) information.
Transmitting element 1002：For sending the channel quality indication (CQI) information, the channel quality instruction to first base station For information for determining the first wave beam, first wave beam belongs to the second base station, and first wave beam is for the UE and described the The communication of two base stations.
Wherein, the channel quality indication (CQI) information can be used for first base station and determine first wave beam, can specifically join The operation that the first base station seen in Fig. 4 or embodiment illustrated in fig. 5 performs；Alternatively, the channel quality indication (CQI) information can be used for Second base station determines first wave beam, specifically may refer to the behaviour that the second base station in Fig. 2 or embodiment illustrated in fig. 3 performs Make.
Receiving unit 1003：For receiving the identification information of first wave beam from the first base station.
Optionally, receiving unit 1003 is additionally operable to receive the configuration information of candidate beam, and the candidate beam matches confidence Breath includes the identification information of the candidate beam；Then, processing unit 1001 is specifically used for：Measure the reference letter of the candidate beam Number obtain the channel quality indication (CQI) information.
Optionally, receiving unit 1003 is specifically used for：The configuration information of the candidate beam is received from the first base station, It according to the configuration information at least one wave beam for belonging to second base station is described that the candidate beam, which is the first base station, What UE was determined, the configuration information of at least one wave beam includes the identification information of at least one wave beam.
Optionally, receiving unit 1003 is specifically used for：The configuration information of the candidate beam is received from second base station, The candidate beam belongs to second base station.
Optionally, receiving unit 1003 is specifically used for：Downlink Control Information, the downlink control are received from the first base station Information processed includes the identification information of first wave beam.
As shown in Figure 10, it can be connected with each other by way of communication bus between each unit in base station 1000.Figure 10 In do not show, each unit in the base station can also be connected using other direct or indirect connection modes, and the embodiment of the present invention is to this It is not specially limited.
In another embodiment of the present invention, in hardware realization, can processing unit 1001 be performed by processor Function；The function of transmitting element 1002 and receiving unit 1003 can be performed by transceiver.Wherein, the transceiver is used for base The communication stood between 700 and user equipment can include transmitter and receiver；The processor can embed in the form of hardware It in the processor of UE, can also be stored in the memory of base station in a software form, in order to which processor calls The corresponding operation of execution more than each unit.
Using UE provided by the embodiments of the present application, by measuring the reference signal of candidate beam, corresponding channel matter is obtained Amount instruction information so that network side accurately and timely can be suitble to transmission downlink according to channel quality indication (CQI) information for UE selections The wave beam of data, enhances communication reliability, in the scene of UE switching-beams, can promote continuity.
Figure 11 shows that a kind of a kind of simplifying for the possible design structure for the base station arrived involved in above-described embodiment is illustrated Figure.
The base station includes：Processor 1101 performs various functions to prop up for carrying out control management to the action of base station The communication service of control device offer is provided.For example, processor 1101 is used to that base station to be supported to perform in Fig. 2 or embodiment illustrated in fig. 3 The operation or processor 1101 that first base station performs are used to that base station to be supported to perform first base station in Fig. 4 or embodiment illustrated in fig. 5 The operation of execution.
Memory 1102 determines the journey of method for storing for base station progress wave beam provided by the embodiments of the present application Sequence code and data, the program code include computer-managed instruction.The program code stored in memory 1102 can be by Reason device 1101 performs.
Emitter/receiver 1104 is used to support base station and UE communication.
Communication module 1103 is used to support base station and the communication of other network equipments, such as supports and other base station equipments Communication, the communication module 1103 can include the communication interface between base station and other base station equipments.
Optionally, which is low frequency base station.
Figure 12 shows that a kind of a kind of simplifying for the possible design structure for the base station arrived involved in above-described embodiment is illustrated Figure.
The base station includes：Processor 1201 performs various functions to prop up for carrying out control management to the action of base station The communication service of control device offer is provided.For example, processor 1201 is used to that base station to be supported to perform in Fig. 2 or embodiment illustrated in fig. 3 The operation or processor 1201 that second base station performs are used to that base station to be supported to perform the second base station in Fig. 4 or embodiment illustrated in fig. 5 The operation of execution.
Memory 1202 determines the journey of method for storing for base station progress wave beam provided by the embodiments of the present application Sequence code and data, the program code include computer-managed instruction.The program code stored in memory 1202 can be by Reason device 1201 performs.
Emitter/receiver 1204 is used to support base station and UE communication.Communication module 1203 is used to support base station and other The communication of the network equipment, such as support the communication with other base station equipments, the communication module 1203 can include base station and its Communication interface between his base station equipment.
Optionally, which can be high frequency base station.
It is designed it is understood that Figure 11 or Figure 12 illustrate only simplifying for base station.In practical applications, base station can be with Comprising any number of transmitter, receiver, processor, controller, memory, communication module etc., this will not be repeated here.
Figure 13 shows a kind of rough schematic view of possible design structure of UE involved in above-described embodiment.It is described UE includes transmitter 1301, receiver 1302, processor 1303, memory 1304 and modem processor 1305.
Transmitter 1301 adjusts (for example, analog-converted, filtering, the amplification and up-conversion etc.) output and samples and generate uplink Link signal, the uplink signal are transmitted to the base station described in above-described embodiment via antenna.On the uplink, antenna Receive the down link signal of Base Transmitter in above-described embodiment.Receiver 1302 adjust (for example, filtering, amplification, down coversion with And digitlization etc.) from antenna received signal and provide input sample.In modem processor 1305, encoder 13013 The data to send on uplink and signaling message are received, and data and signaling message are handled (for example, form Change, encode and interweave).Modulator 1307 is further processed the data after (for example, symbol mapping and modulation) encodes and signaling disappears It ceases and output sampling is provided.Demodulator 1309 handles (for example, demodulation) input sample and provides sign estimation.Decoder 13013 processing (for example, deinterleaving and decoding) sign estimations simultaneously provide the decoded data and signaling message for being sent to UE. Encoder 13013, modulator 1307, demodulator 1309 and decoder 13013 can be by the modem processors 1305 that synthesize To realize.
Processor 1303 carries out control management to the action of UE, for performing the processing carried out in above-described embodiment by UE, Such as UE to be controlled to measure the reference signal of candidate beam and/or other processes of the described technology of the embodiment of the present application, Including the step of UE in any illustrated embodiments of Fig. 2-Fig. 5 is performed.Memory 1304 is used for the program code of UE for storing And data.
Figure 14 is a kind of schematic diagram of communication system 1400 provided by the embodiments of the present application.
Communication system 1400 includes first base station 1401, the second base station 1402 and UE1403.
As shown in figure 14, there is communication connection between 1401 and second base station 1402 of first base station；And UE is respectively with first Base station 1401, first base station 1402 are respectively present communication connection.First base station 1401 may be used with the second base station 1402 and communicate Interface communicates.
The detailed description of the step of function and execution about each equipment in above-mentioned communication system, is referred to the present invention The related content of other embodiment, for example, first base station can perform first base station or low frequency in Fig. 2 or embodiment illustrated in fig. 3 The step of base station performs；And second base station can perform the second base station in Fig. 2 or embodiment illustrated in fig. 3 or high frequency base station performs Step.In another example first base station can perform the step of first base station or low frequency base station perform in Fig. 4 or embodiment illustrated in fig. 5； And second base station can perform in Fig. 4 or embodiment illustrated in fig. 5 the second base station or the step of high frequency base station performs, do not do herein superfluous It states.
Using communication system provided by the embodiments of the present application, network side (first base station or the second base station) is according to channel matter Amount instruction information selects the wave beam for sending downlink data to UE in the wave beam for belonging to the second base station, and passes through first base station The identification information for the wave beam selected is sent to UE.Since channel quality indication (CQI) information can reflect fast channel variation, because And network side accurately and timely can select suitable wave beam to be used for transmission data for UE, enhance communication reliability, especially It is in the scene of UE switching-beams, continuity can be promoted.When first base station is low frequency base station, and the second base station is height During frequency base station, the information between UE is responsible for by first base station and is transmitted, can efficiency of transmission be promoted with saving signaling expense.
It is apparent to those skilled in the art that each embodiment of the application can mutual reference, for example, being Convenienct and succinct, the specific work process of unit or module in the equipment and equipment of foregoing description, before can referring to of description State the corresponding process description in embodiment of the method.
It is appreciated that the processor described in the embodiment of the present application can be central processing unit (CPU), general processor, Digital signal processor (DSP), application-specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable patrol Collect device, transistor logic, hardware component or its arbitrary combination.It can realize or perform disclose with reference to the application in Hold described various illustrative logic blocks, module and circuit.The processor can also be the group for realizing computing function It closes, such as is combined comprising one or more microprocessors, combination of DSP and microprocessor etc..
Bus described in the embodiment of the present application can be industry standard architecture (Industry Standard Architecture, ISA) bus, external equipment interconnection (Peripheral Component, PCI) bus or extension industry mark Quasi- architecture (Extended Industry Standard Architecture, EISA) bus etc..Bus can be divided into ground Location bus, data/address bus, controlling bus etc..For ease of representing, the bus in illustrations is only represented with a double arrowed line, It is not intended that only a bus or a type of bus.
It can be realized in a manner of hardware with reference to the step of described method of present disclosure or algorithm, also may be used It is realized, can also be realized by computer program product in a manner of being to perform software instruction by processor.Software instruction can To be made of corresponding software module, software module can be stored on RAM memory, flash memory, ROM memory, EPROM storages The storage of device, eeprom memory, register, hard disk, mobile hard disk, CD-ROM or any other form well known in the art In medium.A kind of illustrative storage medium is coupled to processor, so as to enable a processor to from the read information, And information can be written to the storage medium.Certainly, storage medium can also be the component part of processor.Processor and storage are situated between Matter can be located in ASIC.In addition, the ASIC can be located in user equipment.Certainly, pocessor and storage media can also be made It is present in user equipment for discrete assembly.
Those skilled in the art are it will be appreciated that in said one or multiple examples, work(described herein It can be realized with hardware, software, firmware or their arbitrary combination.It when implemented in software, can be by these functions Storage is transmitted in computer-readable medium or as one or more instructions on computer-readable medium or code. Computer-readable medium includes computer storage media and communication media, and wherein communication media includes being convenient for from a place to another Any medium of one place transmission computer program.It is any that storage medium can be that general or specialized computer can access Usable medium.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method are not having It has more than in scope of the present application, can realize in other way.For example, embodiments described above is only to illustrate Property, for example, the division of the module or unit, only a kind of division of logic function can have other in actual implementation Dividing mode, such as multiple units or component may be combined or can be integrated into another system or some features and can neglect Slightly or do not perform.The wherein described unit illustrated as separating component may or may not be physically separate, work The component shown for unit may or may not be physical unit, you can be located at a place or can also divide On cloth to multiple network element.Some or all of module therein can be selected according to the actual needs to realize the present embodiment The purpose of scheme.Those of ordinary skill in the art are without creative efforts, you can to understand and implement.
In addition, the schematic diagram of described system, apparatus and method and different embodiments, without departing from scope of the present application It is interior, it can be with other systems, module, techniques or methods combination or integrated.Another point, shown or discussed mutual coupling Close or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be with It is electronics, machinery or other forms.
The specific embodiment of the above, only the application, but the protection domain of the application is not limited thereto, it is any In the technical scope that those familiar with the art discloses in the application, change or replacement can be readily occurred in, should all be contained It covers within the protection domain of the application.Therefore, the protection domain of the application described should be subject to the protection scope in claims.

Claims (32)

1. a kind of wave beam determines method, which is characterized in that the method includes,
First base station receives channel quality indication (CQI) information from user equipment (UE)；
The channel quality indication (CQI) information is sent to the second base station by the first base station, and the channel quality indication (CQI) information is used for Second base station determines the first wave beam for the UE, and first wave beam belongs to second base station, and first wave beam is used Communication between second base station and the UE；
The first base station receives the identification information of first wave beam from second base station；
The identification information of first wave beam is sent to the UE by the first base station.
2. according to the method described in claim 1, it is characterized in that, the method further includes,
The first base station determines candidate beam for the UE；
The first base station sends the configuration information of the candidate beam to the UE, and the configuration information includes the candidate The identification information of wave beam, the configuration information of the candidate beam measure the reference signal of the candidate beam for the UE；
The first base station receives channel quality indication (CQI) information from the UE and includes：
The first base station receives the UE and measures the channel quality instruction letter that the reference signal of the candidate beam obtains Breath.
3. according to the method described in claim 2, it is characterized in that, the method further includes,
The first base station receives the configuration information at least one wave beam for belonging to second base station from second base station；
The first base station determines that candidate beam includes for the UE,
The first base station determines the candidate beam according to the configuration information of at least one wave beam.
4. according to the method in claim 2 or 3, which is characterized in that
The gap information of the candidate beam is further included in the configuration information of the candidate beam.
5. according to any methods of claim 1-4, which is characterized in that the first base station sends described the to the UE The identification information of one wave beam includes,
The first base station sends Downlink Control Information to the UE, and first wave beam is included in the Downlink Control Information Identification information.
6. according to any methods of claim 1-5, which is characterized in that
The first base station is low frequency base station；And second base station is high frequency base station.
7. a kind of wave beam determines method, which is characterized in that the method includes,
Second base station comes from the channel quality indication (CQI) information of user equipment (UE) by first base station reception；
Second base station determines the first wave beam according to the channel quality indication (CQI) information for the UE；
Second base station notifies the identification information of the first wave beam described in the UE；
Wherein, first wave beam belongs to the second base station, and first wave beam is for logical between second base station and the UE Letter.
8. the method according to the description of claim 7 is characterized in that the method further includes,
Second base station belongs to the configuration information of at least one wave beam of second base station, institute to first base station transmission It states the configuration information of at least one wave beam and determines candidate beam, at least one wave beam for the UE for the first base station Configuration information include the identification information of at least one wave beam；
The channel quality indication (CQI) information that second base station comes from UE by first base station reception includes：
The channel quality that the reference signal of second base station from first base station reception UE measurement candidate beams obtains Indicate information.
9. the method according to the description of claim 7 is characterized in that the method includes,
Second base station sends the configuration information of candidate beam to the UE, and the configuration information of the candidate beam is for described UE measures the signal of the candidate beam to obtain the channel quality indication (CQI) information, and the configuration information of the candidate beam includes The identification information of the candidate beam, the candidate beam belong to second base station.
10. method according to claim 7 or 8, which is characterized in that the first wave beam described in the second base station notice UE Identification information includes,
Second base station sends the identification information of first wave beam to the first base station, as the first base station by described in The identification information of first wave beam is sent to the UE.
11. according to any methods of claim 7-10, which is characterized in that
The first base station is low frequency base station；And second base station is high frequency base station.
12. a kind of wave beam determines method, which is characterized in that including,
User equipment (UE) obtains channel quality indication (CQI) information；
The UE sends the channel quality indication (CQI) information to first base station, and the channel quality indication (CQI) information is used to determine first Wave beam, first wave beam belong to the second base station, and first wave beam is for the UE and the communication of second base station；
The UE receives the identification information of first wave beam from the first base station.
13. according to the method for claim 12, which is characterized in that the method further includes, and the UE receives candidate beam Configuration information, the configuration information of the candidate beam includes the identification information of the candidate beam；
The UE obtains channel quality indication (CQI) information and includes：
The UE measures the reference signal of the candidate beam, obtains the channel quality indication (CQI) information.
14. according to the method for claim 13, which is characterized in that the configuration information that the UE receives candidate beam includes,
The UE receives the configuration information of the candidate beam from the first base station, and the candidate beam is the first base station It is determined according to the configuration information UE at least one wave beam for belonging to second base station, at least one wave beam Configuration information includes the identification information of at least one wave beam.
15. according to the method for claim 13, which is characterized in that the configuration information that the UE receives candidate beam includes,
The UE receives the configuration information of the candidate beam from second base station, and the candidate beam belongs to second base It stands.
16. according to any methods of claim 12-15, which is characterized in that
The gap information of the candidate beam is further included in the configuration information of the candidate beam.
17. according to any methods of claim 10-16, which is characterized in that the UE receives institute from the first base station The identification information for stating the first wave beam includes,
The UE receives Downlink Control Information from the first base station, and the Downlink Control Information includes first wave beam Identification information.
18. a kind of base station, which is characterized in that the base station includes processor and memory,
The memory is for storing instruction；
The processor is used to call the instruction stored in memory, so that the base station performs following operate：
Channel quality indication (CQI) information is received from user equipment (UE)；
The channel quality indication (CQI) information is sent to the second base station, the channel quality indication (CQI) information is used for second base station The first wave beam is determined for the UE, and first wave beam belongs to second base station, and first wave beam is used for second base The communication stood between the UE；
The identification information of first wave beam is received from second base station；
The identification information of first wave beam is sent to the UE.
19. base station according to claim 18, which is characterized in that the processor is additionally operable to call the finger in memory It enables, so that the base station performs following operate：
The configuration information of the candidate beam is sent to the UE, the configuration information includes the mark letter of the candidate beam Breath, the configuration information of the candidate beam measure the reference signal of the candidate beam for the UE；
It receives the UE and measures the channel quality indication (CQI) information that the reference signal of the candidate beam obtains.
20. base station according to claim 19, which is characterized in that the processor is additionally operable to call the finger in memory It enables, so that the base station performs following operate：
The configuration information at least one wave beam for belonging to second base station is received from second base station；
The candidate beam is determined according to the configuration information of at least one wave beam.
21. the base station according to claim 19 or 20, which is characterized in that
The gap information of the candidate beam is further included in the configuration information of the candidate beam.
22. according to any base stations of claim 18-21, which is characterized in that described to send the first wave to the UE The identification information of beam includes,
Downlink Control Information is sent to the UE, the identification information of first wave beam is included in the Downlink Control Information.
23. a kind of base station, which is characterized in that the base station includes, processor and memory,
The memory is for storing instruction；
The processor is used to call the instruction stored in memory, so that the base station performs following operate：
Come from the channel quality indication (CQI) information of user equipment (UE) by first base station reception；
First wave beam is determined for the UE according to the channel quality indication (CQI) information；
Notify the identification information of the first wave beam described in the UE；
Wherein, first wave beam belongs to the base station, and first wave beam is for the communication between the base station and the UE.
24. base station according to claim 23, which is characterized in that the processor is additionally operable to call the finger in memory It enables, so that the base station performs following operate：
Belong to the configuration information of at least one wave beam of second base station, at least one wave to first base station transmission The configuration information of beam determines candidate beam for the first base station for the UE, in the configuration information of at least one wave beam Include the identification information of at least one wave beam；
The channel quality indication (CQI) information obtained from the reference signal of first base station reception UE measurement candidate beams.
25. base station according to claim 24, which is characterized in that the processor is additionally operable to call the finger in memory It enables, so that the base station performs following operate：
The configuration information of candidate beam is sent to the UE, the configuration information of the candidate beam measures the time for the UE The signal of wave beam is selected to obtain the channel quality indication (CQI) information, the configuration information of the candidate beam includes the candidate beam Identification information, the candidate beam belongs to second base station.
26. the base station according to claim 24 or 25, which is characterized in that the mark for notifying the first wave beam described in the UE Know information to include,
Second base station sends the identification information of first wave beam to the first base station, as the first base station by described in The identification information of first wave beam is sent to the UE.
27. a kind of user equipment (UE), which is characterized in that the UE includes, processor and memory,
The memory is for storing instruction；
The processor is used to call the instruction stored in memory, so that the UE performs following operate：
Obtain channel quality indication (CQI) information；
The channel quality indication (CQI) information is sent to first base station, the channel quality indication (CQI) information is used to determine the first wave beam, First wave beam belongs to the second base station, and first wave beam is for the UE and the communication of second base station；
The identification information of first wave beam is received from the first base station.
28. UE according to claim 27, which is characterized in that the processor is additionally operable to call the instruction in memory, So that the base station performs following operate：
The configuration information of candidate beam is received, the configuration information of the candidate beam includes the identification information of the candidate beam；
The reference signal for measuring the candidate beam obtains the channel quality indication (CQI) information.
29. UE according to claim 28, which is characterized in that the configuration information for receiving candidate beam includes：
The configuration information of the candidate beam is received from the first base station, the candidate beam is the first base station according to category It is determined in the configuration information UE of at least one wave beam of second base station, at least one wave beam matches confidence Breath includes the identification information of at least one wave beam.
30. UE according to claim 27, which is characterized in that the configuration information for receiving candidate beam includes：
The configuration information of the candidate beam is received from second base station, the candidate beam belongs to second base station.
31. according to any UE of claim 27-30, which is characterized in that
The gap information of the candidate beam is further included in the configuration information of the candidate beam.
32. according to any UE of claim 27-31, which is characterized in that described to receive described the from the first base station The identification information of one wave beam includes,
Downlink Control Information is received from the first base station, the mark comprising first wave beam is believed in the Downlink Control Information Breath.
CN201611265371.8A 2016-12-30 2016-12-30 Beam determination method, base station and user equipment Active CN108271260B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201611265371.8A CN108271260B (en) 2016-12-30 2016-12-30 Beam determination method, base station and user equipment
PCT/CN2017/118016 WO2018121436A1 (en) 2016-12-30 2017-12-22 Beam determination method, base station and user equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611265371.8A CN108271260B (en) 2016-12-30 2016-12-30 Beam determination method, base station and user equipment

Publications (2)

Publication Number Publication Date
CN108271260A true CN108271260A (en) 2018-07-10
CN108271260B CN108271260B (en) 2021-11-30

Family

ID=62710147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611265371.8A Active CN108271260B (en) 2016-12-30 2016-12-30 Beam determination method, base station and user equipment

Country Status (2)

Country Link
CN (1) CN108271260B (en)
WO (1) WO2018121436A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110602797A (en) * 2019-09-02 2019-12-20 深圳职业技术学院 Access method in Internet of things
WO2021189361A1 (en) * 2020-03-26 2021-09-30 Qualcomm Incorporated Power efficient manner to operate user equipment (ue) in multiple radio access technology dual connectivity

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11558145B2 (en) * 2018-04-17 2023-01-17 Kyocera Corporation Robust relaying information transmitted to origination device
CN111465098B (en) * 2019-01-21 2023-05-30 大唐移动通信设备有限公司 Information transmission method and device
CN113727442A (en) * 2020-05-26 2021-11-30 中国移动通信有限公司研究院 Information configuration method, device, equipment and readable storage medium

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040063468A1 (en) * 2002-10-01 2004-04-01 Colin Frank Method and apparatus for using switched multibeam antennas in a multiple access communication system
CN101448323A (en) * 2007-11-30 2009-06-03 阿尔卡特朗讯 Method for performing resource allocation, base station and wireless communication network
US20100056062A1 (en) * 2008-08-26 2010-03-04 Hongyuan Zhang Beamforming by Sector Sweeping
CN101902298A (en) * 2010-07-22 2010-12-01 华为技术有限公司 Channel quality indication (CQI) compensating method, system and base station
CN102315865A (en) * 2010-06-29 2012-01-11 中兴通讯股份有限公司 Wave beam forming method of next-generation broadcast television net, system and interacting base station
CN103619022A (en) * 2013-12-06 2014-03-05 中国联合网络通信集团有限公司 Method and device for interference coordination between cells in heterogeneous network
US20140200010A1 (en) * 2013-01-17 2014-07-17 Qualcomm Incorporated Hybrid interference alignment for mixed macro-femto base station downlink
CN104469688A (en) * 2013-09-22 2015-03-25 中国移动通信集团公司 A pre-coding method, apparatus and system
EP2863569A1 (en) * 2007-08-20 2015-04-22 Alcatel Lucent Low-information interactive multi-base station collaborative MIMO and corresponding scheduling method and apparatus
US20160192336A1 (en) * 2014-12-30 2016-06-30 Electronics And Telecommunications Research Institute Method and apparatus for transmitting downlink control information in mobile communication system
CN106134250A (en) * 2014-03-31 2016-11-16 阿尔卡特朗讯 For operating the first base station in radio communications system and the method for the second base station and the first base station thereof and the second base station

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8867495B2 (en) * 2009-03-20 2014-10-21 Qualcomm Incorporated Feedback mechanisms for beamforming operation
KR101828837B1 (en) * 2011-09-29 2018-03-30 삼성전자주식회사 Method and apparatus for short handover latency in wireless communication system using beam forming
ES2786036T3 (en) * 2012-09-12 2020-10-08 Guangdong Oppo Mobile Telecommunications Corp Ltd Method on a network node, method on a user computer, a network node, and a user computer to select a candidate beam
CN102938666B (en) * 2012-11-13 2015-02-18 清华大学 Forming method of downlink multi-cell combined beams
WO2015090353A1 (en) * 2013-12-16 2015-06-25 Huawei Technologies Co., Ltd. Methods and devices for adjusting beam width in a wireless communication system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040063468A1 (en) * 2002-10-01 2004-04-01 Colin Frank Method and apparatus for using switched multibeam antennas in a multiple access communication system
EP2863569A1 (en) * 2007-08-20 2015-04-22 Alcatel Lucent Low-information interactive multi-base station collaborative MIMO and corresponding scheduling method and apparatus
CN101448323A (en) * 2007-11-30 2009-06-03 阿尔卡特朗讯 Method for performing resource allocation, base station and wireless communication network
US20100056062A1 (en) * 2008-08-26 2010-03-04 Hongyuan Zhang Beamforming by Sector Sweeping
CN102315865A (en) * 2010-06-29 2012-01-11 中兴通讯股份有限公司 Wave beam forming method of next-generation broadcast television net, system and interacting base station
CN101902298A (en) * 2010-07-22 2010-12-01 华为技术有限公司 Channel quality indication (CQI) compensating method, system and base station
US20140200010A1 (en) * 2013-01-17 2014-07-17 Qualcomm Incorporated Hybrid interference alignment for mixed macro-femto base station downlink
CN104469688A (en) * 2013-09-22 2015-03-25 中国移动通信集团公司 A pre-coding method, apparatus and system
CN103619022A (en) * 2013-12-06 2014-03-05 中国联合网络通信集团有限公司 Method and device for interference coordination between cells in heterogeneous network
CN106134250A (en) * 2014-03-31 2016-11-16 阿尔卡特朗讯 For operating the first base station in radio communications system and the method for the second base station and the first base station thereof and the second base station
US20160192336A1 (en) * 2014-12-30 2016-06-30 Electronics And Telecommunications Research Institute Method and apparatus for transmitting downlink control information in mobile communication system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110602797A (en) * 2019-09-02 2019-12-20 深圳职业技术学院 Access method in Internet of things
CN110602797B (en) * 2019-09-02 2021-04-09 深圳职业技术学院 Access method in Internet of things
WO2021189361A1 (en) * 2020-03-26 2021-09-30 Qualcomm Incorporated Power efficient manner to operate user equipment (ue) in multiple radio access technology dual connectivity

Also Published As

Publication number Publication date
WO2018121436A1 (en) 2018-07-05
CN108271260B (en) 2021-11-30

Similar Documents

Publication Publication Date Title
US11337189B2 (en) Terminal, network device, and communication method to improve transmission reliability
US11445484B2 (en) Communication method, related device, and computer storage medium
CN110034853B (en) Signal transmission method, related equipment and system
CN110536446B (en) Information indication method, related equipment and system
US11595108B2 (en) Wireless communication method, network device, and terminal device
CN108271260A (en) Wave beam determines method, base station and user equipment
CN110999477B (en) Information indication method and related equipment
CN107889141B (en) Measurement and reporting method, terminal and base station
US20190327717A1 (en) Resource indication method, apparatus, and system
CN111818546B (en) Method and device for interference measurement
CN112087291B (en) Method and communication device for updating Transmission Configuration Indication (TCI) information
US11064499B2 (en) Communication method and apparatus
US20210105115A1 (en) Reference signal transmission method, and apparatus
CN112333760B (en) Measurement and reporting method, terminal and base station
EP4277387A1 (en) Beam indication method and apparatus, and communication device
CN107872293A (en) Method for transmitting signals and device
CN110650472B (en) Communication method and device
CN111586736B (en) Method and communication device for measuring signals
CN109309519B (en) Communication method and device thereof
CN101771449A (en) Indication method, system and device of beam-forming granularity
CN101771453B (en) Indication method, system and device of beam-forming granularity
KR20230018659A (en) Method and apparatus for providing a uplink signal based location service
US20240063985A1 (en) Determining baseband processing capability using channel bandwdith multiplied by layers
US20200178317A1 (en) Data transmission method and device
CN109391354B (en) Method and device for transmitting channel quality information

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant