CN108271236A - A kind of method, apparatus and system for accessing cell - Google Patents

Abstract

The embodiment of the present invention provides a kind of method, apparatus and system for accessing cell, is related to field of communication technology, can solve the problem of that UE can not access best cell in high frequency network.This method includes：First terminal equipment obtains the first downlink reference signal that the reference communication information of each wave beam and first terminal equipment are received by each wave beam in multi-beam, the reference communication information of one wave beam includes the mark and the first information of a wave beam of a wave beam, and the first information of a wave beam indicates the signal quality of the second downlink reference signal that second terminal equipment is received by a wave beam；First terminal equipment determines the object beam for meeting preset condition according to the reference communication information of each wave beam and the first downlink reference signal received by each wave beam from multiple wave beams；First terminal equipment sends request message to target radio access network equipment, and request access target radio access network equipment provides the Target cell of service.

Description

A kind of method, apparatus and system for accessing cell

Technical field

The present embodiments relate to field of communication technology more particularly to a kind of method, apparatus and system for accessing cell.

Background technology

The 5th generation communication technology (English：5 Generation Mobile Communication Technology of the, Referred to as：5G) network at faster speed, the capacity of bigger, lower cost provide the user with better user experience.

It is existing access cell method be：When user equipment (English：User Equipment, referred to as：UE it) accesses small Qu Shi, UE measure its signal quality of the downlink reference signal of each cell searched, and selection signal quality is highest small Area accesses.

In order to meet the transmission demand of the large capacity of mobile communication system and high-speed, introduce more than 6GHz's (girz) High-frequency band communicates, to be one of hot research technology of 5G networks using its big bandwidth, the transmission characteristic of high-speed. Due to the high path loss of high-frequency communication, need to propagation distance and high beam gain be ensured using narrow beam.

In high frequency network, what is transmitted between base station and UE is high-frequency signal.High-frequency signal transmission loss in transmission process It is larger, and the penetration power of high-frequency signal is weaker, therefore, in the scene for having barrier, the high frequency transmitted between base station and UE is believed Number signal quality can decline rapidly, result even in Radio Link Failure (English：Radio Link Failure, referred to as： RLF) the generation of event.In practical application, the position of the barrier in a certain cell may often change, and lead to UE in this way It is different in the signal quality of the downlink reference signal for the cell that different moments measure.For example, UE search cell A and Barrier is few in cell B, cell A, and barrier is more in cell B.A certain moment, the downlink reference signal a of cell A are hidden by barrier Gear, the downlink reference signal of cell B are not blocked, and therefore, UE determines that the signal quality of downlink reference signal a is less than descending reference The signal quality of signal b.According to the method for above-mentioned access cell, then UE can select access cell B.But due in cell B Barrier it is more, after UE access cell B, the communication signal quality of UE can be severely impacted.Therefore, in high frequency network, UE cannot access best cell using the method for above-mentioned access cell.

Invention content

The present invention provides a kind of method, apparatus and system for accessing cell, can solve in high frequency network, UE cannot connect The problem of entering best cell.

In a first aspect, providing a kind of method for accessing cell, first terminal equipment obtains each wave beam in multi-beam first The reference communication information and the first downlink reference signal for being received by each wave beam of the first terminal equipment, here, a wave The reference communication information of beam includes the first information identified with a wave beam of a wave beam, and the first information of a wave beam is used for Indicate the signal quality of the second downlink reference signal that second terminal equipment is received by a wave beam；Then, first terminal is set For the reference communication information according to each wave beam and the first downlink reference signal received by each wave beam, from multiple wave beams Determine the object beam for meeting preset condition；Finally, first terminal equipment by object beam to target radio access network equipment Request message is sent, access target radio access network equipment to be asked to provide the Target cell of service.

Second terminal equipment in the embodiment of the present invention is to have already accessed to the terminal device of a certain cell.Due to a wave The reference communication information of beam includes the mark and the first information of a wave beam of a wave beam, and the first information of a wave beam is used In the signal quality of the second downlink reference signal that instruction second terminal equipment is received by a wave beam, therefore, first terminal The reference communication information for each wave beam that equipment is got can accurately reflect influence of each wave beam to reference signal. First terminal equipment gets the reference communication information of each wave beam with reference to it and the first terminal is set when request accesses cell Standby the first downlink reference signal received by each wave beam, is capable of determining that the object beam for meeting preset condition, so as to real First terminal equipment access best cell is showed.

Optionally, in a kind of possible realization method of the embodiment of the present invention, the first information packet of said one wave beam Include the credit rating information and second terminal for the second downlink reference signal that second terminal equipment is received by said one wave beam At least one of signal quality information of the second downlink reference signal that equipment is received by said one wave beam.

Second aspect, provides a kind of method for accessing cell, and terminal device receives and measures the first wireless access network equipment By the signal quality for the downlink reference signal that the first wave beam is sent, if the terminal device determines the signal matter of downlink reference signal Amount meets preset condition, then the mark and the second information of the first wave beam are sent to the first wireless access network equipment, and the second information is used In the signal quality for the downlink reference signal that instruction terminal equipment is received by the first wave beam.

Terminal device in the present embodiment refers in above-mentioned first aspect and its various realization methods involved second Terminal device.The terminal device determines that it meets default item by the signal quality of downlink reference signal that the first wave beam receives During part, the mark and the second information of the first wave beam are sent to the first wireless access network equipment being connect with the terminal device, is convenient for First wireless access network equipment counts the first information of the first wave beam.

Optionally, in a kind of possible realization method of the embodiment of the present invention, terminal device receives descending reference letter After number, which can be the signal quality of the received downlink reference signal of periodic measurement or timing Measure the signal quality of received downlink reference signal.

Optionally, in the alternatively possible realization method of the embodiment of the present invention, the default item in the embodiment of the present invention Part can be that the signal quality of downlink reference signal is respectively less than the first predetermined threshold value in preset time period, or downlink is joined The signal quality for examining signal falls to the first numerical value in preset time period, and the first numerical value is less than or equal to the first predetermined threshold value.

The signal quality of downlink reference signal is respectively less than the first predetermined threshold value or descending reference letter in preset time period Number signal quality fall to the first numerical value in preset time period, and the first numerical value is less than or equal to the first predetermined threshold value, says The bright downlink reference signal is blocked.

Optionally, it in the alternatively possible realization method of the embodiment of the present invention, is wirelessly connect with first in terminal device Log equipment and the second wireless access network equipment are all connected with, and the first wireless access network equipment and the second wireless access network equipment connect It connects, the first wireless access network equipment is high frequency wireless access network equipment, and the second wireless access network equipment accesses net for low-frequency wireless In the application scenarios of equipment, terminal device can send the mark and second for carrying the first wave beam to the first wireless access network equipment The first message of information can also send to the second wireless access network equipment and carry the mark of the first wave beam, the second information and the The second message of the mark of one wireless access network equipment is used to indicate the second wireless access network equipment and is set to the first wireless access network Preparation send the mark and the second information of the first wave beam.

Optionally, in the alternatively possible realization method of the embodiment of the present invention, terminal device determines that descending reference is believed Number signal quality meet preset condition after, switch to second community from first community, the first wireless access network equipment is the One cell provides service, and third wireless access network equipment provides service, the first wireless access network equipment and third for second community Wireless access network equipment is high frequency wireless access network equipment, and third wireless access network equipment and the first wireless access network equipment connect It connects.

Optionally, in the alternatively possible realization method of the embodiment of the present invention, descending reference is determined in terminal device After the signal quality of signal meets preset condition, in the application scenarios for switching to second community from first community, terminal device The mark of the mark for carrying the first wave beam, the second information and the first wireless access network equipment is sent to third wireless access network equipment Third message, be used to indicate third wireless access network equipment to the first wireless access network equipment send the first wave beam mark and Second information.

Optionally, in the alternatively possible realization method of the embodiment of the present invention, the second information is led to including terminal device The credit rating information and terminal device for crossing the downlink reference signal of the first wave beam reception are joined by the downlink that the first wave beam receives Examine at least one of signal quality information of signal.

The third aspect, provides a kind of method for accessing cell, and the first wireless access network equipment determines the ginseng of the first wave beam After examining the communication information, this is sent with reference to the communication information.The mark of the reference communication information of first wave beam including the first wave beam and the The first information of one wave beam, the first information of the first wave beam are used to indicate the descending reference that terminal device is received by the first wave beam The signal quality of signal.

First wireless access network equipment sends the reference communication information of the first wave beam, convenient for the terminal of a certain cell to be accessed Equipment determines the influence of first wave beam to reference signal according to the reference communication information of first wave beam.

Optionally, in a kind of possible realization method of the embodiment of the present invention, the first information of the first wave beam is included eventually The credit rating information and terminal device for the downlink reference signal that end equipment is received by the first wave beam are received by the first wave beam At least one of the signal quality information of the second downlink reference signal.

Optionally, in the alternatively possible realization method of the embodiment of the present invention, the first wireless access network equipment determines The method of the reference communication information of first wave beam is：First, the first wireless access network equipment obtains information aggregate, the information aggregate Including multiple second information and the mark of the first wave beam corresponding with each second information in multiple second information, each second Information is used to indicate the signal quality for the downlink reference signal that a terminal device is received by the first wave beam；Then, the first nothing Line access equipment utilization preset algorithm calculates multiple second information, obtains the first information of the first wave beam；Finally, the first nothing Line access equipment is using the mark of the first information of the first wave beam and the first wave beam as the reference communication information of the first wave beam.

Optionally, in the alternatively possible realization method of the embodiment of the present invention, for every in multiple second information The mark of a second information and the first wave beam corresponding with each second information, the first wireless access network equipment perform following walk Suddenly, to obtain information aggregate：First wireless access network equipment receives the first message that sends respectively of multiple terminal devices, one the One message carries second information and the mark of the first wave beam corresponding with second information；Alternatively, the first wireless access Net equipment receives multiple second information and the first wave beam corresponding with each second information that the second wireless access network equipment is sent Mark, second information and the first wave beam corresponding with second information be identified as the second wireless access network equipment from It being got in the second message that one terminal device is sent, the first wireless access network equipment is high frequency wireless access network equipment, Second wireless access network equipment is low-frequency wireless access network equipment, the first wireless access network equipment and the second wireless access network equipment It is connect with a terminal device, the first wireless access network equipment is connect with the second wireless access network equipment；Alternatively, first is wireless Access network equipment receive multiple second information that third wireless access network equipment sends and with each second information corresponding first The third wireless access network that is identified as of the mark of wave beam, second information and the first wave beam corresponding with second information is set It is got in the standby third message sent from a terminal device, the first wireless access network equipment and third wireless access network are set Standby is high frequency wireless access network equipment, and the first wireless access network equipment is connect with third wireless access network equipment, a terminal Equipment switches to second community from first community, and the first wireless access network equipment provides service for first community, and third wirelessly connects Log equipment provides service for second community.

Fourth aspect provides a kind of terminal device, which is first terminal equipment, which includes obtaining Unit, determination unit and transmitting element.

The function that each unit module provided in an embodiment of the present invention is realized is specific as follows：

Above-mentioned acquiring unit passes through each wave beam for obtaining the reference communication information of multiple wave beams and first terminal equipment The first downlink reference signal received, the reference communication information of a wave beam include wave beam mark and wave beam the One information, the first information of a wave beam is used to indicate second terminal equipment to be believed by the second descending reference that a wave beam receives Number signal quality；Above-mentioned determination unit, for the reference communication information of each wave beam got according to above-mentioned acquiring unit The first downlink reference signal with being received by each wave beam, determines the object beam for meeting preset condition from multiple wave beams； Above-mentioned transmitting element is asked for being sent by the object beam that the determination unit is determined to target radio access network equipment Message, access target radio access network equipment to be asked to provide the Target cell of service.

Further, in a kind of realization method of the embodiment of the present invention, the first information of said one wave beam includes the The credit rating information and second terminal equipment for the second downlink reference signal that two terminal devices are received by a wave beam pass through At least one of signal quality information of the second downlink reference signal that said one wave beam receives.

5th aspect, provides a kind of terminal device, which is first terminal equipment, which includes Communication interface, processor and memory；Wherein, communication interface, processor and memory are connected by system bus；Memory is used In storage computer instruction, processor is used to perform the computer instruction of memory storage, so that first terminal equipment performs such as The method of above-mentioned first aspect and its access cell of various realization methods.

6th aspect, a kind of computer readable storage medium is also provided, the computer readable storage medium include one or Multiple program codes；When the processor of first terminal equipment is when performing the program code, which performs as above The method for stating first aspect and its access cell of various possible realization methods.

Fourth aspect of the embodiment of the present invention, the 5th aspect, the specific descriptions of the 6th aspect and its various realization methods, can be with With reference to the detailed description in first aspect and its various realization methods.

7th aspect, provides a kind of terminal device, which sets for the described second terminal of above-mentioned fourth aspect Standby, which includes receiving unit, measuring unit, determination unit and transmitting element.

The function that each unit module provided in an embodiment of the present invention is realized is specific as follows：

Above-mentioned receiving unit, for receiving the signal quality of downlink reference signal, downlink reference signal wirelessly connects for first The signal that log equipment is sent by the first wave beam, terminal device are connect with the first wireless access network equipment；Above-mentioned measurement Unit, for measuring the signal quality for the downlink reference signal that above-mentioned receiving unit receives；Above-mentioned determination unit, for determining The signal quality for the downlink reference signal that above-mentioned measuring unit measures meets preset condition；Above-mentioned transmitting element, for first Wireless access network equipment sends the mark and the second information of the first wave beam, and the second information is used to indicate terminal device and passes through first wave The signal quality for the downlink reference signal that beam receives.

Further, in a kind of realization method of the embodiment of the present invention, above-mentioned measuring unit, specifically for periodical survey Measure the signal quality of downlink reference signal；Alternatively, the signal quality specifically for Timing measurement downlink reference signal.

Further, in another realization method of the embodiment of the present invention, preset condition is the letter of downlink reference signal Number quality is respectively less than the first predetermined threshold value in preset time period；Alternatively, preset condition is the signal quality of downlink reference signal The first numerical value is fallen in preset time period, the first numerical value is less than or equal to the first predetermined threshold value.

Further, in another realization method of the embodiment of the present invention, in terminal device and the first wireless access network Equipment and the second wireless access network equipment are all connected with, and the first wireless access network equipment is connect with the second wireless access network equipment, the One wireless access network equipment is high frequency wireless access network equipment, and the second wireless access network equipment is low-frequency wireless access network equipment In application scenarios, above-mentioned transmitting element, specifically for sending first message to the first wireless access network equipment, first message carries The mark of first wave beam and the second information；Alternatively, specifically for sending second message to the second wireless access network equipment, second disappears The mark of the mark for carrying the first wave beam, the second information and the first wireless access network equipment is ceased, second message is used to indicate second Wireless access network equipment sends the mark and the second information of the first wave beam to the first wireless access network equipment.

Further, in another realization method of the embodiment of the present invention, the terminal device in the embodiment of the present invention is also Including switch unit, which is used to determine that the signal quality of downlink reference signal meets default item in above-mentioned determination unit After part, second community is switched to from first community, the first wireless access network equipment provides service for first community, and third is wireless Access network equipment provides service for second community, the first wireless access network equipment and third wireless access network equipment be high frequency without Line access equipment, third wireless access network equipment are connect with the first wireless access network equipment.

Further, in another realization method of the embodiment of the present invention, above-mentioned transmitting element, specifically for third Wireless access network equipment sends third message, and third message carries mark, the second information and the first wireless access of the first wave beam The mark of net equipment, third message are used to indicate third wireless access network equipment and send first wave to the first wireless access network equipment The mark of beam and the second information.

Further, in another realization method of the embodiment of the present invention, the second information includes terminal device by the The credit rating information and terminal device for the downlink reference signal that one wave beam receives are believed by the descending reference that the first wave beam receives Number at least one of signal quality information.

Eighth aspect provides a kind of terminal device, which includes communication interface, processor and memory；Wherein, Communication interface, processor and memory are connected by system bus；For storing computer instruction, processor is used to hold memory The computer instruction of line storage storage, so that terminal device performs the access such as above-mentioned second aspect and its various realization methods The method of cell.

9th aspect, a kind of computer readable storage medium is also provided, the computer readable storage medium include one or Multiple program codes；When the processor of terminal device is when performing the program code, which performs such as above-mentioned second party The method of the access cell of face and its various possible realization methods.

In embodiments of the present invention, the name of above-mentioned terminal device does not form restriction in itself to equipment or function module, In practical realization, these equipment or function module can occur with other titles.As long as the function of each equipment or function module It is similar with the embodiment of the present invention, belong within the scope of claim of the embodiment of the present invention and its equivalent technologies.

The 7th aspect of the embodiment of the present invention, eighth aspect, the specific descriptions of the 9th aspect and its various realization methods, can be with With reference to the detailed description in second aspect and its various realization methods.

Tenth aspect, provides a kind of wireless access network equipment, which is the first wireless access network equipment. The wireless access network equipment includes determination unit and transmitting element.

The function that each unit module provided in an embodiment of the present invention is realized is specific as follows：

Above-mentioned determination unit, for determining the reference communication information of the first wave beam, the reference communication information packet of the first wave beam Include the mark of the first wave beam and the first information of the first wave beam, the first information of the first wave beam is used to indicate terminal device by the The signal quality for the downlink reference signal that one wave beam receives, terminal device are connect with the first wireless access network equipment；It is above-mentioned Transmitting element, for sending the reference communication information for the first wave beam that above-mentioned determination unit is determined.

Further, in a kind of realization method of the embodiment of the present invention, the first information of the first wave beam is set including terminal The credit rating information of the standby downlink reference signal received by the first wave beam and terminal device received by the first wave beam the At least one of signal quality information of two downlink reference signals.

Further, in another realization method of the embodiment of the present invention, above-mentioned determination unit is specifically used for：Obtain letter Breath set, information aggregate include multiple second information and the first wave beam corresponding with each second information in multiple second information Mark, each second information is used to indicate the signal matter for the downlink reference signal that a terminal device is received by the first wave beam Amount；Multiple second information are calculated using preset algorithm, obtain the first information of the first wave beam；By the first information of the first wave beam With the reference communication information identified as the first wave beam of the first wave beam.

Further, in another realization method of the embodiment of the present invention, for each in multiple second information The mark of two information and the first wave beam corresponding with each second information, above-mentioned determination unit are specifically used for：Receive multiple terminals The first message that equipment is sent respectively, first message carry second information and with second information corresponding first The mark of wave beam；Alternatively, receive multiple second information and corresponding with each second information that the second wireless access network equipment is sent The first wave beam mark, being identified as second information and the first wave beam corresponding with second information second wirelessly connect What log equipment was got from the second message that a terminal device is sent, the first wireless access network equipment wirelessly connects for high frequency Log equipment, the second wireless access network equipment are low-frequency wireless access network equipment, and the first wireless access network equipment and second is wirelessly Access network equipment is connect with a terminal device, and the first wireless access network equipment is connect with the second wireless access network equipment；Or Person receives multiple second information of third wireless access network equipment transmission and the mark of the first wave beam corresponding with each second information Knowledge, second information and the first wave beam corresponding with second information are identified as third wireless access network equipment from one It is got in the third message that terminal device is sent, the first wireless access network equipment and third wireless access network equipment are height Frequency wireless access network equipment, the first wireless access network equipment are connect with third wireless access network equipment, and a terminal device is from One cell switches to second community, and the first wireless access network equipment provides service, third wireless access network equipment for first community Service is provided for second community.

On the one hand tenth, provides a kind of wireless access network equipment, which sets for the first wireless access network Standby, which includes communication interface, processor and memory；Wherein, communication interface, processor and storage Device is connected by system bus；For memory for storing computer instruction, processor is used to perform the computer of memory storage Instruction, so that the first wireless access network equipment performs the side of the access cell such as the above-mentioned third aspect and its various realization methods Method.

12nd aspect, also provides a kind of computer readable storage medium, which includes one Or multiple program codes；When the processor of wireless access network equipment is when performing the program code, which holds The row such as method of the above-mentioned third aspect and its access cell of various possible realization methods.

In embodiments of the present invention, the name of above-mentioned wireless access network equipment does not form limit in itself to equipment or function module Fixed, in practical implementations, these equipment or function module can occur with other titles.As long as each equipment or function module Function is similar with the embodiment of the present invention, belongs within the scope of claim of the embodiment of the present invention and its equivalent technologies.

The aspect of the embodiment of the present invention the tenth, the tenth on the one hand, the specific descriptions of the 12nd aspect and its various realization methods, The detailed description in the third aspect and its various realization methods can be referred to.

The first wireless access network equipment in the embodiment of the present invention is the wireless access network equipment in high frequency network, this first Wireless access network equipment is high frequency wireless access network equipment.High frequency wireless access network equipment in the embodiment of the present invention refers to use The wireless access network equipment of high-frequency band communication more than 6GHz.

First terminal equipment in the embodiment of the present invention is the terminal device to be accessed in high frequency network, and second terminal is set Standby is the terminal device accessed in high frequency network.

These aspects or other aspects of the embodiment of the present invention in the following description can more straightforwards.

Description of the drawings

Fig. 1 is the structure diagram of existing LTE system；

Fig. 2 is the structure diagram of eLTE systems in 5G networks provided in an embodiment of the present invention；

Fig. 3 is the application scenarios structure diagram one that the method for access cell provided in an embodiment of the present invention is applicable in；

Fig. 4 is the application scenarios structure diagram two that the method for access cell provided in an embodiment of the present invention is applicable in；

Fig. 5 is the application scenarios structure diagram three that the method for access cell provided in an embodiment of the present invention is applicable in；

Fig. 6 is the hardware architecture diagram of mobile phone in the embodiment of the present invention；

Fig. 7 is the hardware architecture diagram of base station in the embodiment of the present invention；

Fig. 8 is the flow diagram one of the method for access cell provided in an embodiment of the present invention；

Fig. 9 is the flow diagram two of the method for access cell provided in an embodiment of the present invention；

Figure 10 is the structure diagram one of terminal device provided in an embodiment of the present invention；

Figure 11 is the structure diagram two of terminal device provided in an embodiment of the present invention；

Figure 12 is the structure diagram three of terminal device provided in an embodiment of the present invention；

Figure 13 is the structure diagram one of wireless access network equipment provided in an embodiment of the present invention；

Figure 14 is the structure diagram two of wireless access network equipment provided in an embodiment of the present invention；

Figure 15 is the structure diagram three of wireless access network equipment provided in an embodiment of the present invention.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is retouched in detail It states.

Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing and " Four " etc. be for distinguishing different objects rather than for limiting particular order.

Wherein, term "and/or" in the embodiment of the present invention, only a kind of incidence relation for describing affiliated partner, represents There may be three kinds of relationships, for example, A and/or B, can represent：Individualism A, exists simultaneously A and B, individualism B these three Situation.

In embodiments of the present invention, " illustrative " or " such as " etc. words for represent make example, illustration or explanation.This Be described as in inventive embodiments " illustrative " or " such as " any embodiment or designing scheme be not necessarily to be construed as comparing Other embodiments or designing scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport Related notion is being presented in specific ways.

In the current forth generation communication technology (English：the 4 Generation Mobile Communication Technology, referred to as：4G) in network, long term evolution (English：Long Term Evolution, referred to as：LTE) in system Different evolved base station (English：Evolved Node Base Station, referred to as：ENB), connected between by X2 interface, The base station is known as LTE eNB by the embodiment of the present invention.(present invention is real with the UE at least one LTE system by each LTE eNB Apply and LTE UE be referred to as in example) connection.Fig. 1 shows the network architecture of LTE system.Above-mentioned multiple equipment in practical applications Between connection for wireless connection, intuitively represent the connection relation between each equipment for convenience, shown in Fig. 1 using solid line Meaning.

In LTE system, the method for LTE UE access cells is：LTE UE measure the downlink ginseng of its each cell searched The signal quality of signal is examined, and the highest cell of selection signal quality completes access.Wherein, signal quality can use signal strength To weigh.

With the continuous development of mobile communication technology, 4G networks are gradually to 5G e-learning qualities.In evolution process, LTE systems System can be evolved to the LTE (English of evolution：Evolved LTE, referred to as：ELTE) system.(present invention is real by eNB in eLTE systems Apply example and be referred to as eLTE eNB) core net of 4G networks is accessible to, also it is accessible to the core net of 5G networks.With eLTE The next-generation UE of eNB connections can be linked into the core net of 4G networks by eLTE eNB, also can be linked into 5G by eLTE eNB The core net of network.There is the base station for the core net for being only linked into 5G networks, NR gNB tables of the embodiment of the present invention in 5G networks Show the base station.It is connected by X2 interface between LTE eNB and eLTE eNB, is connected between eLTE eNB and NR gNB by Xn interfaces It connects.Similarly, the connection between above-mentioned multiple equipment is wireless connection in practical applications, and intuitively representing each for convenience sets Connection relation between standby is illustrated using solid line in Fig. 2.

In order to meet the transmission demand of the large capacity of mobile communication system and high-speed, 5G networks introduce the height more than 6GHz Frequent section communicates.Refer to the high frequency network of 5G networks in the embodiment of the present invention in the 5G networks of further part description.

In 5G networks, what is transmitted between base station and UE is high-frequency signal.With reference to the communication of Fig. 2, NR gNB and next generation UE Using high-frequency signal.If next generation UE accesses the core net of 5G networks, eLTE eNB and the next generation by eLTE eNB What the communication of UE used is also high-frequency signal.

But high-frequency signal transmission loss in transmission process is larger, and penetration power is weaker, therefore, is there is barrier In scene, the signal quality of high-frequency signal transmitted between NR gNB or eLTE eNB and next generation UE can decline rapidly, even It can lead to the generation of RLF events.If next generation UE is using a certain in the cell accessing method access 5G networks of above-mentioned LTE system Cell, then the UE be probably linked into the more cell of barrier, cause the UE that can not access best cell.

For this problem, the embodiment of the present invention provides a kind of cell accessing method, and first terminal equipment complex considers the What the first downlink reference signal and second terminal equipment that one terminal device is received by each wave beam were received by each wave beam The signal quality of second downlink reference signal accurately determines the target access cell of first terminal equipment access, and really Make the object beam used in target access cell.

In 5G networks, in order to reduce loss of the signal in transmission process, passed between base station and terminal device by wave beam Defeated signal.

Cell accessing method provided in an embodiment of the present invention is suitable for eLTE systems shown in Fig. 2.With reference to Fig. 2, the present invention Wireless access network equipment in embodiment can be eLTE eNB, or NR gNB；Terminal device can be next generation UE.

With reference to Fig. 2, if wireless access network equipment is eLTE eNB, cell accessing method provided in an embodiment of the present invention is fitted For following application scenarios：

(1), next generation UE accesses the core net of 5G networks by eLTE eNB, and LTE UE access 4G nets by eLTE eNB The core net of network.ELTE eNB complete the service communication of 5G networks using high frequency resources with next generation UE, and using low-frequency resources The service communication of 4G networks is completed with LTE UE.Fig. 3 shows the structure diagram of the application scenarios.

(2), next generation UE accesses the core net of 5G networks by eLTE eNB, and next-generation UE should pass through LTE eNB and access The core net of 4G networks.ELTE eNB complete the service communication of 5G networks using high frequency resources with next generation UE, and LTE eNB are used Low-frequency resources complete the service communication of 4G networks with next generation UE.Fig. 4 shows the structure diagram of the application scenarios.

With reference to Fig. 2, if wireless access network equipment is NR gNB, the method for access cell provided in an embodiment of the present invention is fitted Application scenarios are：Next-generation UE accesses the core net of 5G networks by NR gNB.NR gNB using high frequency resources with it is next The service communication of 5G networks is completed for UE.Fig. 5 shows the structure diagram of the application scenarios.

Whether which above-mentioned application scenarios, the next-generation UE in the embodiment of the present invention can be：Mobile phone, tablet computer, Laptop, Ultra-Mobile PC's (English：Ultra-Mobile Personal Computer, referred to as：UMPC)、 Net book, personal digital assistant (English：Personal Digital Assistant, referred to as：PDA) etc..

Illustratively, in embodiments of the present invention, Fig. 2, Fig. 3, Fig. 4 or shown in fig. 5 next generation UE can be mobile phone, under Each component parts of the mobile phone in the embodiment of the present invention is specifically introduced with reference to Fig. 6 in face.As shown in fig. 6, case for mobile telephone It includes：Processor 61, radio frequency (English：Radio Frequency, referred to as：RF) circuit 62, power supply 63, memory 64, input unit 65th, the components such as display unit 66, voicefrequency circuit 67.It will be understood by those skilled in the art that the structure of mobile phone shown in Fig. 6 is simultaneously The restriction to mobile phone is not formed, can include the more or fewer components of component such as shown in fig. 6 or can be combined such as Certain components in component shown in fig. 6 can be different from component as shown in Figure 6 arrangement.

Processor 61 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, is led to It crosses operation or performs the software program being stored in memory 64 and/or module and call the number being stored in memory 64 According to, perform mobile phone various functions and processing data, so as to mobile phone carry out integral monitoring.Optionally, processor 61 may include One or more processing units.Processor 61 can integrate application processor and modem processor.Wherein, application processor master Want processing operation system, user interface and application program etc.；Modem processor mainly handles wireless communication.Above-mentioned modulatedemodulate Adjust processor and processor 61 that can also be independent from each other.

RF circuits 62 can be used for receive and send messages or communication process in, signal sends and receivees, particularly, will be under base station After row information receives, handled to processor 61；In addition, the data of uplink are sent to base station.In general, RF circuits include but unlimited In antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (English：Low Noise Amplifier, Referred to as：LNA), duplexer etc..In addition, RF circuits 62 can also communicate with network and other equipment by radio communication.Channel radio Letter can use any communication standard or agreement, including but not limited to global system for mobile communications (English：Global System Of Mobile Communication, referred to as：GSM), general packet radio service (English：General Packet Radio Service, referred to as：GPRS), CDMA (English：Code Division Multiple Access, referred to as：CDMA it is), wide Band CDMA (English：Wideband Code Division Multiple Access, referred to as：WCDMA), LTE, electronics postal Part, short message service (English：Short Messaging Service, referred to as：SMS) etc..

Mobile phone includes the power supply 63 (such as battery) powered to all parts, and optionally, power supply can pass through power management System and processor 61 are logically contiguous, so as to realize the work(such as management charging, electric discharge and power managed by power-supply management system Energy.

Memory 64 can be used for storage software program and module, and processor 61 is stored in the soft of memory 64 by operation Part program and module, so as to perform the various function application of mobile phone and data processing.Memory 64 can mainly include storage Program area and storage data field, wherein, storing program area can storage program area, the application program needed at least one function (such as sound-playing function, image player function etc.) etc.；Storage data field can be stored uses created number according to mobile phone According to (such as audio data, image data, phone directory etc.) etc..In addition, memory 64 can include high-speed random access memory, It can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-states are deposited Memory device.

Input unit 65 can be used for receiving input number or character information and generate with the user setting of mobile phone and The related key signals input of function control.Specifically, input unit 65 may include touch screen 651 and other input equipments 652. Touch screen 651, also referred to as touch panel, collect user on it or neighbouring touch operation (such as user using finger, touch The operations of any suitable object or attachment on touch screen 651 or near touch screen 651 such as pen), and according to presetting Formula drive corresponding attachment device.Optionally, touch screen 651 may include two portions of touch detecting apparatus and touch controller Point.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected, it transmits a signal to Touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives Processor 61, and the order that processor 61 is sent can be received and performed.Furthermore, it is possible to using resistance-type, condenser type, infrared The multiple types such as line and surface acoustic wave realize touch screen 651.Other input equipments 652 can include but is not limited to secondary or physical bond It is one or more in disk, function key (such as volume control button, power switch button etc.) etc..

Display unit 66 can be used for display by information input by user or be supplied to user information and mobile phone it is various Menu.Display unit 66 may include display panel 661, optionally, liquid crystal display (English may be used：Liquid Crystal Display, referred to as：LCD), Organic Light Emitting Diode (English：Organic Light-emitting Diode, letter Claim：) etc. OLED display panel 661 is configured in forms.Further, touch screen 651 can cover display panel 661, work as touch screen 651 detect on it or after neighbouring touch operation, send to processor 61 with determine touch event type, be followed by subsequent processing Device 61 provides corresponding visual output according to the type of touch event on display panel 661.Although in figure 6, touch screen 651 and display panel 661 are the components independent as two to realize the function that outputs and inputs of mobile phone, but in certain implementations In example, can be integrated by touch screen 651 and display panel 661 and that realizes mobile phone output and input function.

Voicefrequency circuit 67, loud speaker 671 and microphone 672, for providing the audio interface between user and mobile phone.Audio The transformed electric signal of the audio data received can be transferred to loud speaker 671, sound is converted to by loud speaker 671 by circuit 67 Sound signal exports；On the other hand, the voice signal of collection is converted to electric signal by microphone 672, after being received by voicefrequency circuit 67 Audio data is converted to, then audio data exported to RF circuits 62 to be sent to such as another mobile phone or by audio data It exports to memory 64 to be further processed.

Optionally, mobile phone can also include various sensors (such as gyro sensor, humidity flowmeter sensor, infrared ray biography Sensor or magnetometer sensor), Wireless Fidelity (English：Wireless Fidelity, referred to as：Wi-Fi) module, bluetooth module Deng.It is not showed that in Fig. 6.

LTE eNB, eLTE eNB in the embodiment of the present invention is similar with the hardware configuration of NR gNB.Illustratively, LTE The hardware configuration of eNB, eLTE eNB and NR gNB may refer to the component parts of base station as shown in Figure 7.As shown in fig. 7, Base station includes：Baseband processing unit (English：Base Band Unit, referred to as：BBU), Remote Radio Unit (English：Radio Remote Unit, referred to as：RRU) and antenna, can be connected between BBU and RRU with optical fiber, RRU passes through coaxial cable and work(again Device (coupler) is divided to be connected to antenna, a general BBU can connect multiple RRU.

RRU can include 4 modules：Data intermediate frequency module, Transceiver Module, power amplifier module and filter module.Number Ifd module is for modulation /demodulation, Digital up and down convert, digital-to-analogue conversion of optical transport etc.；Transceiver Module completes intermediate-freuqncy signal To the transformation of radiofrequency signal；After power amplifier module amplification and filter module filtering, radiofrequency signal is emitted by antenna It goes out.

BBU is used to complete Base-Band Processing function (coding, multiplexing, the modulation of Uu interfaces (i.e. interface between UE and base station) With spread spectrum etc.), radio network controller (English：Radio Network Controller, referred to as：RNC) between base station The interface function of logic interfacing, signaling processing, local and remote Operation and Maintenance function and base station system Working Status Monitoring With warning information reporting functions etc..

The embodiment of the present invention aims to solve the problem that the problem of UE can not access best cell in 5G networks.It, can with reference to foregoing description Know the embodiment of the present invention aims to solve the problem that the problem of how next-generation UE accesses certain cell in 5G networks, therefore, the embodiment of the present invention The scheme of description is primarily directed to next-generation UE and eLTE eNB or for next-generation UE and NR gNB.For the ease of retouching It states, further part of the embodiment of the present invention represents next-generation UE with UE, and eLTE eNB or NR gNB are represented with base station.

Fig. 8 be it is provided in an embodiment of the present invention it is a kind of access cell method flow diagram, the side of the access cell Method can be applied in eLTE systems shown in Fig. 2.Specifically, the method for the access cell can be applied in Fig. 3, Fig. 4 or Fig. 5 In shown application scenarios.

Referring to Fig. 8, the method for the access cell includes：

S800, the first UE obtain the reference communication information of each wave beam and the first UE in multi-beam and are connect by each wave beam The first downlink reference signal received.

The first UE in the embodiment of the present invention refers to the UE of a certain cell in the network to be accessed to 5G.First UE is being asked When accessing cell, the first downlink reference signal is received by each wave beam.Downlink reference signal in the embodiment of the present invention can Think a certain particular sequence.

First UE of cell to be accessed to a certain can search multiple cells.In multiple cells in the embodiment of the present invention Each cell include at least one wave beam.The base station that service is provided for each cell is that high frequency base station (uses and is more than 6GHz The base station that communicates of high-frequency band).

Specifically, after the first UE searches multiple cells, obtain in multiple wave beams the reference communication information of each wave beam and The first downlink reference signal that first UE is received by each wave beam.

Wherein, the reference communication information of a wave beam includes the mark and the first information of a wave beam of a wave beam.One The first information of a wave beam is used to indicate the signal quality for the second downlink reference signal that the 2nd UE is received by a wave beam.

2nd UE refers to access to the UE of a certain cell in 5G networks.

Optionally, the first information of a wave beam includes the second downlink reference signal that the 2nd UE is received by a wave beam Credit rating information and the signal quality informations of the second downlink reference signal that are received by a wave beam of the 2nd UE in extremely It is one few.

Wherein, the credit rating information of the second downlink reference signal is preset, the credit rating information can be it is primary, It is intermediate or advanced, numerical value can also be used, the embodiment of the present invention is not especially limited this.

Optionally, the first UE in the embodiment of the present invention can once obtain the reference communication information of a wave beam.

For each wave beam in multiple wave beams, the method that the first UE obtains the reference communication information of the wave beam is：First UE receives the reference communication information for the wave beam that base station is sent, which provides service for the cell including the wave beam.

Illustratively, service is provided by first community of first base station, first base station can be led to by wave beam A and the first UE Letter, the first UE search first community when accessing cell, then the first UE can receive the wave beam A's of first base station transmission With reference to the communication information.

Optionally, the method for the reference communication information of the wave beam A of the first UE receptions first base station transmission can be：First UE The message of first base station broadcast is received, which carries the reference communication information of wave beam A.At this point, the message can be system Message.Wherein, the reference communication information of wave beam A can be carried in system message in the form of fields, can also be with it He is carried in system message form, and the embodiment of the present invention is not especially limited this.

Optionally, the method for the reference communication information of the wave beam A of the first UE receptions first base station transmission can be：First UE The first request message of the mark for carrying wave beam A is sent to first base station, with the reference communication information of acquisition request wave beam A；The One base station in response sends the response message for the reference communication information for carrying wave beam A to the first UE in first request message.

Optionally, the first UE in the embodiment of the present invention can also disposably get all wave beams that a cell includes The reference communication information.Wherein, the first UE disposably gets the side that a cell includes the reference communication information of all wave beams Method can refer to the method that above-mentioned first UE obtains the reference communication information of wave beam A, no longer be described in detail herein.

It should be noted that for each wave beam, the first UE can get simultaneously the wave beam the reference communication information and The first downlink reference signal that first UE is received by the wave beam can also first get the reference communication information of the wave beam, The first downlink reference signal that the first UE is received by the wave beam is got afterwards, can also first be got the first UE and be passed through the wave beam The first downlink reference signal received, after get the reference communication information of the wave beam, the embodiment of the present invention is not made this specifically It limits.

S801, the first UE according to the reference communication information of each wave beam got and received by each wave beam first Downlink reference signal determines to meet preset condition object beam from multiple wave beams.

Wherein, if the preset condition can be the average letter of the first UE and the 2nd UE by the wave beam A reference signals received Number quality is more than default value, then wave beam A is object beam.Here, average signal quality can be connect with the first UE by wave beam A The weighting of the signal quality of the second reference signal that the signal quality and the 2nd UE for the first reference signal received are received by wave beam A Average value expression, the second reference signal that can also be received with the signal quality and the 2nd UE of the first reference signal by wave beam A The arithmetic average of signal quality represent that the embodiment of the present invention is not especially limited this.

For each wave beam, the first UE considers the signal quality of the second downlink reference signal sent by the wave beam With the signal quality of the first downlink reference signal sent by the wave beam, can accurately determine to send by the wave beam a certain The signal quality of signal.

S802, the first UE send request message by object beam to target BS, access target BS to be asked to carry For the Target cell of service.

S803, target BS send confirmation message by object beam to the first UE, complete access.

Target BS allows the first UE access Target cell, then sends confirmation message to the first UE by object beam, with Complete the access of the first UE.

Confirmation message in the embodiment of the present invention can include OK characters, can also include and confirm (English： Acknowledgement, referred to as：ACK) character, the embodiment of the present invention are not especially limited this.

It is easily understood that the Target cell of the first UE access can be identical with the cell of the second UE access, it can not also Together, the embodiment of the present invention is not specifically limited this.

From the description of above-mentioned S800 it is found that for each wave beam in multiple wave beams, the first UE in the embodiment of the present invention It obtains the method for the reference communication information of the wave beam and is received as including the cell of the wave beam for the first UE and the base station hair of service is provided The reference communication information of the wave beam sent.Therefore, the base station that service is provided for the cell including the wave beam connects in the first UE requests Before entering cell, the reference communication information of the wave beam has been got.

First UE can search for multiple cells when accessing cell, the unique corresponding base of each cell in multiple cells It stands.In order to make it easy to understand, the embodiment of the present invention is using first base station as high frequency base station, and first base station provides clothes for first community Business, the first UE search first community, and first community includes illustrating first base station the first wave beam of acquisition for the first wave beam The reference communication information method.

Specifically, first base station is obtained first including multiple second information and is believed with each second in multiple second information The information aggregate of the mark of corresponding first wave beam is ceased, each second information is used to indicate the 2nd UE and is connect by the first wave beam The signal quality of the downlink reference signal of receipts；Then, which calculates multiple second information using preset algorithm, Obtain the first information of the first wave beam, finally, first base station using the mark of the first information of the first wave beam and the first wave beam as The reference communication information of first wave beam.

The process that each 2nd UE in the 2nd UE of at least one of embodiment of the present invention communicates with first base station is homogeneous Together.In order to make it easy to understand, the embodiment of the present invention is illustrated by taking the process that the 2nd UE communicates with first base station as an example.

With reference to Fig. 8, referring to Fig. 9, the method for access cell provided in an embodiment of the present invention further includes before S800：

S900, the 2nd UE receive and measure the signal of the second downlink reference signal that first base station is sent by the first wave beam Quality.

Optionally, for the 2nd UE after the second downlink reference signal is received by the first wave beam, the 2nd UE can be with the period Property measure the second downlink reference signal signal quality, can also Timing measurement third downlink signal signal quality, the present invention Embodiment is not especially limited this.

S901, the 2nd UE determine that the signal quality of the second downlink reference signal meets preset condition.

Specifically, the 2nd UE judges after the signal quality of the second downlink reference signal of first base station transmission is measured Whether the signal quality meets preset condition.

Optionally, which can be that the signal quality of the second downlink reference signal is respectively less than in preset time period First predetermined threshold value, or the signal quality of the second downlink reference signal falls to the first numerical value in preset time period, First numerical value is less than or equal to the first predetermined threshold value, and the embodiment of the present invention is not especially limited this.

Wherein, above-mentioned preset time period refers to the period of a certain fixed duration.

Illustratively, the signal quality of the second downlink reference signal is weighed with signal strength, and the first predetermined threshold value is -67 Decibel milliwatt (represents) with dbm, preset condition was respectively less than in 2 minutes for the signal strength of the second downlink reference signal- 67dbm。

S902, the 2nd UE send the mark of the first wave beam and are used to indicate the 2nd UE to first base station passes through the first wave beam Second information of the signal quality of the second downlink reference signal received.

The credit rating information for the second descending reference that second information is received for the 2nd UE by the first wave beam and/or the The signal quality information of the second downlink reference signal that two UE are received by the first wave beam.

If the 2nd UE determines that the signal quality of the second downlink reference signal meets preset condition, illustrate that second downlink is joined It examines signal to be blocked by certain barrier, therefore, the 2nd UE reports the mark and the second information of the first wave beam to first base station, convenient for One base station combines the first information of the first wave beam of Information Statistics that other the 2nd UE are reported.

If specifically, the 2nd UE is all connected with first base station and the second base station, first base station is connect with the second base station, first Base station is high frequency base station, and the second base station is low frequency base station, then the 2nd UE sends the mark and second of the first wave beam to first base station The method of information is：

(1), the 2nd UE sends the first message of mark and the second information for carrying the first wave beam to first base station.

(2), the 2nd UE sends the mark of the mark for carrying the first wave beam, the second information and first base station to the second base station Second message；Second base station sends the mark and the second information of the first wave beam to first base station after second message is received.

Fig. 9 is that the 2nd UE illustrated for method described above (1) sends the mark and second of the first wave beam to first base station The method of information.

With reference to foregoing description, if first base station is eLTE eNB, the second base station is LTE eNB, then the application scenarios are Fig. 4 Shown application scenarios.That is, the 2nd UE can directly send the mark and the second information of the first wave beam to eLTE eNB, The mark and the second information of the first wave beam can also be sent to eLTE eNB via LTE eNB.

If specifically, the 2nd UE is after the signal quality for determining the second downlink reference signal meets preset condition, second UE switches to second community from first community, wherein, third base station provides service for second community, and first base station is high frequency base It stands, third base station is high frequency base station, and third base station is connect with first base station, then the mark of the first wave beam of the 2nd UE transmissions and the The method of two information is：2nd UE sends mark, the second information and the first wireless access for carrying the first wave beam to third base station The third message of the mark of net equipment；Third base station sends the mark and the second information of the first wave beam to first base station.

With reference to foregoing description, first base station and third base station are respectively any one in eLTE eNB and NR gNB, then The application scenarios are Fig. 3 or shown in fig. 5 application scenarios.

S903, first base station receive the second information that each 2nd UE is sent in multiple 2nd UE and believe with each second Cease the mark of corresponding first wave beam.

S904, first base station calculate multiple second information using preset algorithm, obtain the first letter of the first wave beam Breath.

S905, first base station lead to the mark of the first information of the first wave beam and the first wave beam as the reference of the first wave beam Letter information.

S906, first base station send the reference communication information of the first wave beam to the first UE.

Each 2nd UE is after determining that its signal quality of the second downlink reference signal measured meets preset condition, The second information and the mark of the first wave beam can be sent, therefore, first base station can receive each second in multiple 2nd UE The second information and the mark of the first wave beam corresponding with each second information that UE is sent.In this way, first base station can obtain To information aggregate, i.e. first base station performs S903.

First base station calculates multiple second information after information aggregate is got, using preset algorithm, to determine The first information of first wave beam, and by the first information it is corresponding with the mark of the first wave beam storage, first wave can be generated in this way The reference communication information of beam performs S904 and S905.

Wherein, preset algorithm can be arithmetic mean method or weighted mean method, and the embodiment of the present invention does not make this It is specific to limit.

First base station calculates multiple second information using preset algorithm, the first information of the first wave beam determined It can accurately reflect the signal quality of the second downlink reference signal that the 2nd UE is received by the first wave beam.

After the reference communication information for generating the first wave beam, the reference that the first wave beam is sent to the first UE communicates first base station Information performs S906.

Specifically, the mode that broadcast may be used in first base station sends and carries the reference communication information of the first wave beam and disappear It ceases or after the reference communication information request message for the mark for carrying the first wave beam of the first UE transmissions is received, The response message for the reference communication information for carrying the first wave beam is sent to the first UE.

S906 in the present embodiment is corresponding with above-mentioned S800.

Second terminal equipment in the embodiment of the present invention is to have already accessed to the terminal device of a certain cell.Due to a wave The reference communication information of beam includes the mark and the first information of a wave beam of a wave beam, and the first information of a wave beam is used In the signal quality of the second downlink reference signal that instruction second terminal equipment is received by a wave beam, therefore, first terminal The reference communication information for each wave beam that equipment is got can accurately reflect influence of each wave beam to reference signal. First terminal equipment gets the reference communication information of each wave beam with reference to it and the first terminal is set when request accesses cell Standby the first downlink reference signal received by each wave beam, is capable of determining that the object beam for meeting preset condition, so as to real First terminal equipment access best cell is showed.

The embodiment of the present invention provides a kind of terminal device, which is used to perform first in above method embodiment Step performed by terminal device or second terminal equipment.Terminal device provided in an embodiment of the present invention can include corresponding steps Corresponding module.

The embodiment of the present invention can carry out terminal device according to the above method example division of function module, for example, can Each function module is divided with each function of correspondence, two or more functions can also be integrated in a processing module In.The form that hardware had both may be used in above-mentioned integrated module is realized, can also be realized in the form of software function module.This It is schematical, only a kind of division of logic function to the division of module in inventive embodiments, can has in actual implementation another Outer dividing mode.

In the case where dividing each function module using corresponding each function, Figure 10 shows involved in above-described embodiment And terminal device a kind of possible structure diagram.As shown in Figure 10, terminal device includes acquiring unit 100, determines list Member 101, transmitting element 102 and measuring unit 103.Acquiring unit 100 is used to that the terminal device to be supported to perform the above method and implement S800 in example.Determination unit 101 is used to that the terminal device to be supported to perform S801 and S901 in above method embodiment.It sends Unit 102 is used to that the terminal device to be supported to perform S802 and S902 in above method embodiment.Measuring unit 103 is used to support The terminal device performs the S900 in above method embodiment.Wherein, all phases for each step that above method embodiment is related to The function description of corresponding function module can be quoted by holding inside the Pass, and details are not described herein.Wherein, which can also wrap Include switch unit 104 and storage unit 105.Switch unit 104 is used to that the terminal device to be supported to determine third descending reference letter Number signal quality meet preset condition after, be switched to second community from first community.The storage unit 105 is used to store mesh The mark of wave beam is marked, can be also used for storage software program and application module.

In the case of using integrated unit, Figure 11 shows one kind of terminal device involved in above-described embodiment Possible structure diagram.As shown in figure 11, which includes：Processing module 110 and communication module 111.Processing module 110 to the action of the terminal device for carrying out control management, for example, processing module 110 is used to that the terminal device to be supported to perform S801, S900 and S901 in above method embodiment and/or other processes for techniques described herein.Communicate mould Block 111 is for supporting the terminal device and base station communication, for example, communication module 111 is above-mentioned for supporting terminal device execution S800 and S802 in embodiment of the method.The terminal device can also include memory module 112, for storing the mark of object beam Know, can be also used for storing the program code and data of the terminal device.

Wherein, processing module 110 can be processor or controller, such as can be central processing unit (English： Central Processing Unit, referred to as：CPU), digital signal processor (English：Digital Signal Processor, referred to as：DSP).It can be realized or performed with reference to the described various examples of disclosure of the embodiment of the present invention The logic block of property, module and circuit.Communication module 111 can be communication interface, transmission circuit or communication interface etc..Store mould Block 112 can be memory.

When processing module 110 is processor, communication module 111 is communication interface, when memory module 112 is memory, this Terminal device involved by inventive embodiments can be the terminal device shown in Figure 12.

As shown in figure 12, which includes：Communication interface 120, processor 121 and memory 122.Wherein, it communicates It is connected between interface 120, processor 121 and memory 122 by system bus 123, and completes communication each other.

When terminal device is run, which performs the side of the access cell such as Fig. 8 or shown in Fig. 9 embodiments Method.Specific cell access dispatching can be found in the above-mentioned associated description as in Fig. 8 or shown in Fig. 9 embodiments, no longer superfluous herein It states.

Wherein, communication interface 120 is used for other equipment or communication, such as Ethernet, WLAN etc..

Wherein, memory 122 is used to store the mark of object beam, can be also used for storage software program and using mould Block, processor 121 is stored in the software program and application module of memory 122 by operation, so as to perform terminal device Various function application and data processing.

Memory 122 can mainly include storing program area 1220 and storage data field 1221, wherein, storing program area 1220 Can storage program area, the application program needed at least one function, for example measure the signal quality of third downlink reference signal Deng；Storage data field 1221 can store the mark for the object beam that the terminal device is determined.

Wherein, memory 122 can be read-only memory (English：Read-only Memory, referred to as：ROM it) or can deposit Store up static information and the other kinds of static storage device of instruction, random access memory (English：Random Access Memory, referred to as：RAM) or can store information and instruction other kinds of dynamic memory or electrically erasable can Program read-only memory (English：Electrically Erasable Programmable Read-Only Memory, referred to as： EEPROM), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with instruction or data knot Any other medium that the desired program code of configuration formula can simultaneously be accessed by terminal device, but not limited to this.

Memory 122 can be individually present, and be connected by system bus 123 with processor 121.Memory 122 It can be integrated with processor 121.

Processor 121 is the control centre of terminal device.Processor 121 utilizes various interfaces and the entire terminal of connection The various pieces of equipment, by running or performing the software program being stored in memory 122 and/or application module and adjust With the data being stored in memory 122, the various functions of terminal device and processing data are performed, so as to be carried out to terminal device Integral monitoring.

In the concrete realization, as a kind of embodiment, processor 121 can include one or more CPU, such as in Figure 12 Processor 121 include CPU 0 and CPU 1.

System bus 123 can be divided into address bus, data/address bus, controlling bus etc..In order to clear in the embodiment of the present invention Chu illustrates, various buses are all illustrated as system bus 123 in fig. 12.

Correspondingly, the embodiment of the present invention also provides a kind of computer readable storage medium, the computer readable storage medium Including one or more program codes；When the processor of terminal device is when performing the program code, which performs such as The method of access cell shown in above method embodiment.

Second terminal equipment in the embodiment of the present invention is to have already accessed to the terminal device of a certain cell.Due to a wave The reference communication information of beam includes the mark and the first information of a wave beam of a wave beam, and the first information of a wave beam is used In the signal quality of the second downlink reference signal that instruction second terminal equipment is received by a wave beam, therefore, first terminal The reference communication information for each wave beam that equipment is got can accurately reflect influence of each wave beam to reference signal. First terminal equipment gets the reference communication information of each wave beam with reference to it and the first terminal is set when request accesses cell Standby the first downlink reference signal received by each wave beam, is capable of determining that the object beam for meeting preset condition, so as to real First terminal equipment access best cell is showed.

The embodiment of the present invention provides a kind of wireless access network equipment, and the wireless access network equipment is small for accessing more than performing The step performed by the first wireless access network equipment in the method in area.Wireless access network equipment provided in an embodiment of the present invention can To include the module corresponding to corresponding steps.

The embodiment of the present invention can carry out wireless access network equipment according to the above method example division of function module, example Such as, each function can be corresponded to and divide each function module, two or more functions can also be integrated at one It manages in module.The form that hardware had both may be used in above-mentioned integrated module is realized, can also use the form of software function module It realizes.It is schematical to the division of module in the embodiment of the present invention, only a kind of division of logic function in actual implementation may be used To there is other dividing mode.

In the case where dividing each function module using corresponding each function, Figure 13 shows involved in above-described embodiment And wireless access network equipment a kind of possible structure diagram.As shown in figure 13, wireless access network equipment includes determining single Member 130 and transmitting element 131.Determination unit 130 is used to indicate the wireless access network equipment and performs in above method embodiment S902 and S904.Transmitting element 131 be used for support the wireless access network equipment perform above method embodiment in S803 and S906.Wherein, all related contents for each step that above method embodiment is related to can quote corresponding function module Function describes, and details are not described herein.Wherein, which can also include storage unit 132, the storage unit 132, which can be used for storage, provides the reference that the cell serviced includes each wave beam at least one wave with the wireless access network equipment The communication information can be used for storage software program and application module.

In the case of using integrated unit, Figure 14 shows wireless access network equipment involved in above-described embodiment A kind of possible structure diagram.As shown in figure 14, which includes：Processing module 140 and communication module 141.Processing module 140 to the action of the wireless access network equipment for carrying out control management, for example, processing module 140 is used for The wireless access network equipment is supported to perform the S904 in above method embodiment and S905 and/or for skill described herein Other processes of art.Communication module 141 is for supporting the wireless access network equipment to communicate with wireless access network equipment, for example, logical Letter module 141 is used to that the wireless access network equipment to be supported to perform S803, S903 and S906 in above method embodiment.This is wireless Access network equipment can also include memory module 142, can be used for the cell that storage provides service with the wireless access network equipment Including multiple wave beams in each wave beam the reference communication information, can be used for storing the program of the wireless access network equipment Code and data.

Wherein, processing module 140 can be processor or controller, such as can be CPU, DSP.It can realize or hold Row combines the described various illustrative logic blocks of disclosure of the embodiment of the present invention, module and circuit.Communication module 141 Can be communication interface, transmission circuit or communication interface etc..Memory module 142 can be memory.

When processing module 140 is processor, communication module 141 is communication interface, when memory module 142 is memory, this Wireless access network equipment involved by inventive embodiments can be wireless access network equipment shown in figure 15.

As shown in figure 15, which includes：Communication interface 150, processor 151 and memory 152.Its In, it is connected between communication interface 150, processor 151 and memory 152 by system bus 153, and complete communication each other.

When wireless access network equipment is run, which performs connecing such as Fig. 8 or shown in Fig. 9 embodiments Enter the method for cell.The method of specific access cell can be found in the above-mentioned correlation as in Fig. 8 or shown in Fig. 9 embodiments and retouch It states, details are not described herein again.

Wherein, communication interface 150 is used for other equipment or communication, such as Ethernet, WLAN etc..

Wherein, memory 152 is for storage multiple wave beams corresponding with the cell that the wireless access network equipment provides service The reference communication information, can be also used for storage software program and application module, processor 151 is stored in storage by operation The software program and application module of device 152, so as to perform the various function application of wireless access network equipment and data processing.

Memory 152 can mainly include storing program area 1520 and storage data field 1521, wherein, storing program area 1520 Can storage program area, the application program needed at least one function, for example send first message etc.；Storage data field 1521 can Store the reference communication information of multiple wave beams corresponding with the cell that the wireless access network equipment provides service.

Wherein, the other kinds of static storage that memory 152 can be ROM or can store static information and instruct is set It is standby, RAM or other kinds of dynamic memory or EEPROM, disk storage Jie that information and instruction can be stored Matter or other magnetic storage apparatus or can be used in carrying or store with instruction or data structure form desired program Any other medium that code can simultaneously be accessed by wireless access network equipment, but not limited to this.

Memory 152 can be individually present, and be connected by system bus 153 with processor 151.Memory 152 It can be integrated with processor 151.

Processor 151 is the control centre of wireless access network equipment.Processor 151 is whole using various interfaces and connection The various pieces of a wireless access network equipment, by running or performing the software program being stored in memory 152 and/or application Module and calling are stored in the data in memory 152, perform the various functions of wireless access network equipment and processing data, So as to carry out integral monitoring to wireless access network equipment.

In the concrete realization, as a kind of embodiment, processor 151 can include one or more CPU, such as in Figure 15 Processor 151 include CPU 0 and CPU 1.

System bus 153 can be divided into address bus, data/address bus, controlling bus etc..In order to clear in the embodiment of the present invention Chu illustrates, various buses are all illustrated as system bus 153 in fig.15.

Correspondingly, the embodiment of the present invention also provides a kind of computer readable storage medium, the computer readable storage medium Including one or more program codes；When the processor of wireless access network equipment is when performing the program code, the wireless access The method that net equipment performs the access cell as shown in above-mentioned embodiment of the method.

Wireless access network equipment in the embodiment of the present invention can get the wireless access network equipment and provide the small of service The reference communication information of each wave beam in multiple wave beams that area includes.The reference communication information of one wave beam includes wave beam The first information of mark and a wave beam, and the first information of a wave beam is used to indicate second terminal equipment and passes through a wave beam The signal quality of the second downlink reference signal received, since second terminal equipment is to have already accessed to the terminal of a certain cell to set Standby, therefore, the reference communication information for each wave beam that first terminal equipment is got can accurately reflect each wave beam Influence to reference signal.First terminal equipment gets the reference communication of each wave beam when request accesses cell, with reference to it The first downlink reference signal that information and the first terminal equipment are received by each wave beam, is capable of determining that and meets preset condition Object beam, it is achieved thereby that first terminal equipment access best cell.

For each wave beam in multiple wave beams, the reference communication information of the wave beam includes the mark of the wave beam and for referring to Show the signal quality that the second downlink reference signal is sent by the wave beam.Therefore, the reference communication information of the wave beam can be accurate Reflect the signal quality that a certain signal is sent by the wave beam.In this way, first terminal equipment passes through ginseng when asking to access The reference communication information for multiple wave beams that the first terminal equipment is got is examined, can accurately determine the first terminal equipment The target access cell and object beam of access, realize the best access of first terminal equipment.

It can be realized with reference to the step of described method of the disclosure of invention or algorithm by the mode of hardware, Can be that the mode of software instruction is performed by processor to realize.Software instruction can be made of corresponding software module, software Module can be stored on RAM, flash memory, ROM, Erasable Programmable Read Only Memory EPROM (English：Erasable Programmable ROM, referred to as：EPROM), EEPROM, register, hard disk, mobile hard disk, CD-ROM (CD-ROM) or In the storage medium of any other form well known in the art.A kind of illustrative storage medium is coupled to processor, so as to make Processor can be from the read information, and information can be written to the storage medium.Certainly, storage medium can also be The component part of processor.Pocessor and storage media can be located in ASIC.

Through the above description of the embodiments, it is apparent to those skilled in the art that, for description It is convenienct and succinct, it, can as needed will be upper only with the division progress of above-mentioned each function module for example, in practical application It states function distribution to be completed by different function modules, i.e., the internal structure of device is divided into different function modules, to complete All or part of function described above.The specific work process of the system, apparatus, and unit of foregoing description, before can referring to The corresponding process in embodiment of the method is stated, details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or The division of unit, only a kind of division of logic function can have other dividing mode, such as multiple units in actual implementation Or component may be combined or can be integrated into another system or some features can be ignored or does not perform.Another point, institute Display or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit INDIRECT COUPLING or communication connection can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.

If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products It embodies, which is stored in a storage medium, is used including some instructions so that a computer Equipment (can be personal computer, server or the network equipment etc.) or processor are performed described in each embodiment of the present invention The all or part of step of method.And aforementioned storage medium includes：It is flash memory, mobile hard disk, read-only memory, random Access the various media that can store program code such as memory, magnetic disc or CD.

The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.

Claims (20)

1. A kind of 1. method for accessing cell, which is characterized in that including：

   The reference communication information of each wave beam and the first terminal equipment pass through described in first terminal equipment acquisition multi-beam The first downlink reference signal that each wave beam receives, the reference communication information of a wave beam include one wave beam mark and The first information of one wave beam, the first information of one wave beam be used to indicate second terminal equipment pass through it is one The signal quality for the second downlink reference signal that wave beam receives；

   The first terminal equipment according to the reference communication information of each wave beam and received by each wave beam the One downlink reference signal determines the object beam for meeting preset condition from the multiple wave beam；

   The first terminal equipment sends request message by the object beam to target radio access network equipment, to ask Access the Target cell that the target radio access network equipment provides service.
2. 2. the method for access cell according to claim 1, which is characterized in that

   The first information of one wave beam includes described second that the second terminal equipment is received by one wave beam The credit rating information of downlink reference signal and the second terminal equipment by one wave beam receive described second under At least one of signal quality information of row reference signal.
3. A kind of 3. method for accessing cell, which is characterized in that including：

   Terminal device receives and measures the signal quality of downlink reference signal, and the downlink reference signal is the first wireless access network The signal that equipment is sent by the first wave beam；

   The terminal device determines that the signal quality of the downlink reference signal meets preset condition；

   The terminal device to first wireless access network equipment send first wave beam mark and the first wave beam the Two information, second information are used to indicate the downlink reference signal that the terminal device is received by first wave beam Signal quality.
4. 4. the method for access cell according to claim 3, which is characterized in that

   The preset condition is respectively less than the first predetermined threshold value for the signal quality of the downlink reference signal in preset time period；

   Alternatively,

   The preset condition falls to the first numerical value for the signal quality of the downlink reference signal in preset time period, described First numerical value is less than or equal to first predetermined threshold value.
5. 5. the method for access cell according to claim 3 or 4, which is characterized in that the terminal device and described first Wireless access network equipment and the second wireless access network equipment are all connected with, and first wireless access network equipment is wireless with described second Access network equipment connect, first wireless access network equipment be high frequency wireless access network equipment, second wireless access network Equipment is low-frequency wireless access network equipment；

   The terminal device sends the mark and the second information of first wave beam, packet to first wireless access network equipment It includes：

   The terminal device sends first message to first wireless access network equipment, and the first message carries described first The mark of wave beam and second information；

   Alternatively,

   The terminal device sends second message to second wireless access network equipment, and the second message carries described first The mark of the identifying of wave beam, second information and first wireless access network equipment, the second message are used to indicate institute State the mark and described second that the second wireless access network equipment sends first wave beam to first wireless access network equipment Information.
6. 6. it is according to claim 3 or 4 access cell method, which is characterized in that the terminal device determine it is described under After the signal quality of row reference signal meets preset condition, the method for the access cell further includes：

   The terminal device switches to second community from first community, and first wireless access network equipment is the first community Service is provided, third wireless access network equipment provides service, first wireless access network equipment and institute for the second community It is high frequency wireless access network equipment to state third wireless access network equipment, the third wireless access network equipment and first nothing Line access equipment connects.
7. 7. the method for access cell according to claim 6, which is characterized in that the terminal device is wireless to described first Access network equipment sends the mark and the second information of first wave beam, including：

   The terminal device sends third message to the third wireless access network equipment, and the third message carries described first The mark of the identifying of wave beam, second information and first wireless access network equipment, the third message are used to indicate institute State the mark and described second that third wireless access network equipment sends first wave beam to first wireless access network equipment Information.
8. 8. the method for the access cell according to any one in claim 3-7, which is characterized in that

   Second information includes the quality of the downlink reference signal that the terminal device is received by first wave beam In the signal quality information of the downlink reference signal that class information and the terminal device are received by first wave beam It is at least one.
9. A kind of 9. method for accessing cell, which is characterized in that including：

   First wireless access network equipment determines the reference communication information of the first wave beam, the reference communication information packet of first wave beam The mark of first wave beam and the first information of first wave beam are included, the first information of first wave beam is used to indicate end The signal quality for the downlink reference signal that end equipment is received by first wave beam；

   First wireless access network equipment sends the reference communication information of first wave beam.
10. 10. the method for access cell according to claim 9, which is characterized in that

    The first information of first wave beam includes the descending reference that the terminal device is received by first wave beam Second downlink reference signal that the credit rating information of signal and the terminal device are received by first wave beam At least one of signal quality information.
11. 11. the method for access cell according to claim 9 or 10, which is characterized in that first wireless access network is set The reference communication information of standby determining first wave beam, including：

    First wireless access network equipment obtains information aggregate, described information set include multiple second information and with it is described more The mark of corresponding first wave beam of each second information in a second information, each second information are used to indicate an institute State the signal quality for the downlink reference signal that terminal device is received by first wave beam；

    First wireless access network equipment calculates the multiple second information using preset algorithm, obtains first wave beam The first information；

    First wireless access network equipment is using the mark of the first information of first wave beam and first wave beam as institute State the reference communication information of the first wave beam.
12. 12. the method for access cell according to claim 11, which is characterized in that first wireless access network equipment obtains Information aggregate is taken, including：

    For each second information in the multiple second information and corresponding with each second information the first wave beam Mark, first wireless access network equipment performs following step, to obtain described information set：

    First wireless access network equipment receives the first message that multiple terminal devices are sent respectively, a first message Carry second information and the mark of the first wave beam corresponding with one second information；

    Alternatively,

    First wireless access network equipment receive multiple second information that the second wireless access network equipment sends and with it is described every The mark of corresponding first wave beam of a second information, second information and the first wave beam corresponding with one second information Be identified as what second wireless access network equipment was got from the second message that the terminal device is sent, it is described First wireless access network equipment is high frequency wireless access network equipment, and second wireless access network equipment accesses net for low-frequency wireless Equipment, first wireless access network equipment and second wireless access network equipment are connect with one terminal device, First wireless access network equipment is connect with second wireless access network equipment；

    Alternatively,

    First wireless access network equipment receive multiple second information that third wireless access network equipment sends and with it is described every The mark of corresponding first wave beam of a second information, second information and the first wave beam corresponding with one second information Be identified as what the third wireless access network equipment was got from the third message that the terminal device is sent, it is described First wireless access network equipment and the third wireless access network equipment are high frequency wireless access network equipment, and described first is wireless Access network equipment is connect with the third wireless access network equipment, and it is small that one terminal device from first community switches to second Area, first wireless access network equipment provide service for the first community, and the third wireless access network equipment is described Second community provides service.
13. 13. a kind of terminal device, which is characterized in that the terminal device is first terminal equipment, and the terminal device includes：

    Acquiring unit passes through each wave beam for obtaining the reference communication information of multiple wave beams and the first terminal equipment The first downlink reference signal received, the reference communication information of a wave beam include the mark of one wave beam and one The first information of wave beam, the first information of one wave beam are used to indicate second terminal equipment and are received by one wave beam The second downlink reference signal signal quality；

    Determination unit, for the reference communication information of each wave beam got according to the acquiring unit and by described The first downlink reference signal that each wave beam receives, determines the object beam for meeting preset condition from the multiple wave beam；

    Transmitting element, for sending request message to target radio access network equipment by the object beam, to ask to connect Enter the Target cell that the target radio access network equipment provides service.
14. 14. terminal device according to claim 13, which is characterized in that

    The first information of one wave beam includes described second that the second terminal equipment is received by one wave beam The signal quality class information of downlink reference signal and the second terminal equipment received by one wave beam described At least one of signal quality information of two downlink reference signals.
15. 15. a kind of terminal device, which is characterized in that including：

    Receiving unit, for receiving the signal quality of downlink reference signal, the downlink reference signal is the first wireless access network The signal that equipment is sent by the first wave beam, the terminal device are connect with first wireless access network equipment；

    Measuring unit, for measuring the signal quality of the downlink reference signal；

    Determination unit, for determining that the signal quality of the downlink reference signal that the measuring unit measures meets default item Part；

    Transmitting element, for sending the mark and the second information of first wave beam, institute to first wireless access network equipment State the signal matter that the second information is used to indicate the downlink reference signal that the terminal device is received by first wave beam Amount.
16. 16. terminal device according to claim 15, which is characterized in that

    The preset condition is respectively less than the first predetermined threshold value for the signal quality of the downlink reference signal in preset time period；

    Alternatively,

    The preset condition falls to the first numerical value for the signal quality of the downlink reference signal in preset time period, described First numerical value is less than or equal to first predetermined threshold value.
17. 17. a kind of wireless access network equipment, which is characterized in that the wireless access network equipment is the first wireless access network equipment, The wireless access network equipment includes：

    Determination unit, for determining the reference communication information of the first wave beam, the reference communication information of first wave beam includes institute The mark of the first wave beam and the first information of first wave beam are stated, the first information of first wave beam is used to indicate terminal and sets The signal quality of the standby downlink reference signal received by first wave beam；

    Transmitting element, for sending the reference communication information of first wave beam that the determination unit is determined.
18. 18. wireless access network equipment according to claim 17, which is characterized in that the determination unit is specifically used for：

    Obtain information aggregate, described information set include multiple second information and with each second in the multiple second information The mark of corresponding first wave beam of information, each second information are used to indicate a terminal device by described first The signal quality for the downlink reference signal that wave beam receives；

    The multiple second information is calculated using preset algorithm, obtains the first information of first wave beam；

    The mark of the first information of first wave beam and first wave beam as the reference of first wave beam is communicated and is believed Breath.
19. 19. wireless access network equipment according to claim 18, which is characterized in that in the multiple second information The mark of each second information and the first wave beam corresponding with each second information, the determination unit are specifically used for：

    Receive the first message that multiple terminal devices are sent respectively, a first message carry second information and with institute State the mark of corresponding first wave beam of second information；

    Alternatively,

    Receive multiple second information of the second wireless access network equipment transmission and first wave corresponding with each second information Being identified as the mark of beam, second information and the first wave beam corresponding with one second information described second wirelessly connects What log equipment was got from the second message that a terminal device is sent, first wireless access network equipment is height Frequency wireless access network equipment, second wireless access network equipment be low-frequency wireless access network equipment, first wireless access Net equipment and second wireless access network equipment are connect with one terminal device, first wireless access network equipment It is connect with second wireless access network equipment；

    Alternatively,

    Receive multiple second information that third wireless access network equipment sends and first wave corresponding with each second information The third that is identified as of the mark of beam, second information and the first wave beam corresponding with one second information wirelessly connects What log equipment was got from the third message that a terminal device is sent, first wireless access network equipment and institute It is high frequency wireless access network equipment to state third wireless access network equipment, first wireless access network equipment and the third without Line access equipment connects, and one terminal device switches to second community, first wireless access network from first community Equipment provides service for the first community, and the third wireless access network equipment provides service for the second community.
20. 20. a kind of communication system, which is characterized in that the communication system includes the terminal as described in the claims 13 or 14 Terminal device described in equipment, the claims 15 or 16 and as described in any one in the claims 17-19 Wireless access network equipment.