CN102763469A - Method and apparatus for user terminal equipment accessing to network equipment - Google Patents
Method and apparatus for user terminal equipment accessing to network equipment Download PDFInfo
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- CN102763469A CN102763469A CN2010800604656A CN201080060465A CN102763469A CN 102763469 A CN102763469 A CN 102763469A CN 2010800604656 A CN2010800604656 A CN 2010800604656A CN 201080060465 A CN201080060465 A CN 201080060465A CN 102763469 A CN102763469 A CN 102763469A
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- component carrier
- terminal equipment
- access request
- subscriber terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A method and apparatus for a user terminal equipment accessing to a network equipment are provided by the present invention. Multiple component carriers are set in a receiving channel of the network equipment. The network equipment obtains component carrier correlative information about multiple component carriers; and according to the component carrier correlative information, in multiple component carriers, determines at least one component carrier for transmitting a accessing request or transmitting a accessing request again for the user terminal equipment; and transmits component carrier indication information to the user terminal equipment, and the component carrier indication information indicates at least one component carrier. Base on the component carrier correlative information, the network equipment reasonably distributes component carriers for transmitting an accessing request or transmitting an accessing request again for the user terminal equipment according to the holistic or partial condition of the system, therefore, utilizing multiple component carrier resources effectively and improving the system performance.
Description
The method and device of subscriber terminal equipment access network device
Technical field
The present invention relates to access, more particularly to using carrier aggregation technology communication network in subscriber terminal equipment access network device method and device.Background technology
In LTE (Long Term Evolution system) system, subscriber terminal equipment can only support a upstream components carrier wave（component carrier ) .Because the resource of multi-upstream access channel is limited, i.e. can access simultaneously a cell subscriber terminal equipment it is limited.When excessive subscriber terminal equipment strives limited access channel resource to send access request unexpectedly simultaneously, it will clash.Send the subscriber terminal equipment of access request failure, it is necessary to resend access request.Subscriber terminal equipment can be kept out of the way when resending access request according to one（Backoff) time value determines to resend the time of access request, so as to avoid clashing again.
In lte-a system, in order to provide higher message transmission rate, multiple component carriers can be supported simultaneously with introducing carrier aggregation technology, i.e. mobile terminal device in downlink in up-link.For example, subscriber terminal equipment can could support up 5 component carriers in 100M bandwidth.The content of the invention
Inventor have recognized that, in the communication network of carrier aggregation technology is introduced, because existing subscriber terminal equipment transmission access request and the method for resending access request can only be carried out on one-component carrier wave, multiple component carriers can not be effectively utilized, so that the due performance of communication system can not be realized farthest.
Based on the understanding to background technology and above mentioned problem, if it is possible to will be effectively very important using multiple component carrier resources when subscriber terminal equipment sends access request.In addition, if it is possible to when subscriber terminal equipment resends access request, effectively using multiple
Component carrier resource will be highly profitable.One embodiment according to the first aspect of the invention is provided with multiple component carriers there is provided a kind of method for being used to control a subscriber terminal equipment to access the network equipment in a network equipment, the reception channel of the network equipment.This method comprises the following steps：
A. the component carrier relevant information on the multiple component carrier is obtained；
B. according to the component carrier relevant information, in the multiple component carrier, determine that at least one component carrier is used for the subscriber terminal equipment and sends the access request or send the access request again；And
C. one-component carrier indication information is sent to the subscriber terminal equipment, and the component carrier configured information indicates at least one described component carrier.
On the basis of component carrier relevant information, the network equipment, so as to effectively utilize multiple component carrier resources, can improve the performance of communication system according to the entirety of system or the component carrier asked.One embodiment according to the second aspect of the invention is provided with multiple component carriers there is provided a kind of method for being used to access a network equipment in a subscriber terminal equipment, the reception channel of the network equipment.This method comprises the following steps：
A. a first component carrier configured information is received from the network equipment, the first component carrier configured information indicates at least one component carrier and sends an access request for the subscriber terminal equipment；
B. according to the first component carrier configured information, at least one described component carrier, determine that first component carrier is used to send the access request；And
C. the access request is sent on first component carrier to the network equipment on the basis of the first component carrier configured information, subscriber terminal equipment can reasonably determine the component carrier for sending access request, so as to effectively utilize multiple component carrier resources, the performance of communication system is improved.
One embodiment according to the third aspect of the present invention is provided with multiple component carriers there is provided a kind of control device for being used to control a subscriber terminal equipment to access the network equipment in a network equipment, the reception channel of the network equipment.The control device includes：
One the first acquisition device, it is used to obtain the component carrier relevant information on the multiple component carrier；
One determining device, it is used for according to the component carrier relevant information, in the multiple component carrier, determines that at least one component carrier is used for the subscriber terminal equipment and sends the access request；And
One the first dispensing device, it is used to send one-component carrier indication information to the subscriber terminal equipment, and the component carrier configured information indicates at least one described component carrier.One embodiment according to the fourth aspect of the present invention is provided with multiple component carriers there is provided a kind of access device for being used to access a network equipment in a subscriber terminal equipment, the reception channel of the network equipment.The access device includes：
One reception device, it is used to receive a first component carrier configured information from the network equipment, and the first component carrier configured information indicates at least one component carrier and sends an access request for the subscriber terminal equipment；
One the first determining device, it is used for according to the component carrier configured information, at least one described component carrier, determines that first component carrier is used to send the access request；And
One the first dispensing device, it is used to send the access request to the network equipment on first component carrier.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the above of the invention and other features, objects and advantages will become more apparent：
Fig. 1 is the flow chart of the method according to an embodiment of the invention for being used to control subscriber terminal equipment to access the network equipment in the network device；
Fig. 2 is the flow chart of the method for being used to control subscriber terminal equipment to access the network equipment in the network device according to still another embodiment of the invention；
Fig. 3 is the flow chart of the method for being used to control subscriber terminal equipment to access the network equipment in the network device according to still a further embodiment；
Fig. 4 is the flow chart of the method according to an embodiment of the invention for being used for access network device in subscriber terminal equipment；
Fig. 5 is the flow chart of the method for being used for access network device in subscriber terminal equipment according to still another embodiment of the invention；
Fig. 6 is the flow chart of the method for being used for Jie Ru Wang Network equipment in subscriber terminal equipment according to still a further embodiment；
Fig. 7 is the block diagram of control device according to an embodiment of the invention；
Fig. 8 is the block diagram of control device according to still another embodiment of the invention；
Fig. 9 is the block diagram of control device according to still a further embodiment；
Figure 10 is the block diagram of access device according to an embodiment of the invention；
Figure 11 is the block diagram of access device according to still another embodiment of the invention；And Figure 12 is the block diagram of access device according to still a further embodiment.
Same or similar accompanying drawing mark represents same or similar part in accompanying drawing.Embodiment
There is provided a kind of method for being used to control a subscriber terminal equipment to access the network equipment in a network equipment for one embodiment according to the first aspect of the invention.
The network equipment can be realized in several ways, such as base station, relay station.Subscriber terminal equipment can realize in several ways, example mobile phone, notebook computer, palm PC etc..
The reception channel of the network equipment is provided with multiple component carriers.The reception channel of the network equipment is the channel that the network equipment is used to receive subscriber terminal equipment control information and/or data message, corresponding to the transmission channel of subscriber terminal equipment, for example, the up channel of cellular communication system.
Subscriber terminal equipment Jie Ru Wang Network equipment refers to subscriber terminal equipment to set up the operation that communication link is done with the network equipment.If subscriber terminal equipment can be successfully accessed the network equipment, subscriber terminal equipment and the network equipment can just continue next step operation to set up communication link；Otherwise, subscriber terminal equipment needs to reattempt to the operation of access network device.
Fig. 1 is the flow chart according to an embodiment of the invention for being used to control the method for subscriber terminal equipment access network device in the network device.
Reference picture 1, the method comprising the steps of 110, and the network equipment obtains the component carrier relevant information on multiple component carriers.
Component carrier relevant information is each existing load capacity of component carrier in the access request number that each component carrier is received in the information related to multiple component carriers, such as multiple component carriers, multiple component carriers（Such as transmitted bit number, number of users）, each component carrier corresponds to the channel performance of subscriber terminal equipment in multiple component carriers（I.e. on certain component carrier, the channel performance between subscriber terminal equipment and the network equipment, such as bit error rate, signal interference ratio）And other information.Optionally, component carrier relevant information is a predetermined component carrier allocation rule corresponding to multiple component carriers, and the predetermined component carrier allocation rule is indicated available for access operation（Send and receive access request）Component carrier and be not useable for the component carrier of access operation.The predetermined component carrier allocation rule can only indicate one-component carrier wave or indicate multiple component carriers.
This method also includes step 120, and the network equipment is according to component carrier relevant information, in multiple component carriers, determines that at least one component carrier is used for subscriber terminal equipment and sends access request or send access request again.
The network equipment can determine at least one component carrier for subscriber terminal equipment transmission access request according to component carrier relevant information using various ways or send access request again.
In one embodiment, component carrier relevant information is the access request number that each component carrier is received in multiple component carriers.If the network equipment allows subscriber terminal equipment to send access request on more than one component carrier, the paid-in access request number of each component carrier can then be compared with a predetermined request number thresholding, access request number is defined as less than the component carrier of the predetermined request number thresholding to be used for subscriber terminal equipment transmission access request
Or the component carrier of access request is sent again.If the network equipment only allows subscriber terminal equipment to send access request on one-component carrier wave, the minimum component carrier of access request number can be then selected, is defined as sending access request for subscriber terminal equipment or sends the component carrier of access request again.
In yet another embodiment, component carrier relevant information is the existing load capacity of each component carrier in multiple component carriers.If the network equipment allows subscriber terminal equipment to send access request on more than one component carrier, the existing load capacity of each component carrier can then be compared with a predetermined negative carrying capacity thresholding, load capacity is defined as sending access request for subscriber terminal equipment less than the component carrier of the predetermined negative carrying capacity thresholding or the component carrier of access request is sent again.If the network equipment only allows subscriber terminal equipment to send access request on one-component carrier wave, the minimum component carrier of load capacity can be then selected, is defined as sending access request for subscriber terminal equipment or sends the component carrier of access request again.
In a further embodiment, component carrier relevant information corresponds to the channel performance of subscriber terminal equipment for each component carrier in multiple component carriers.If the network equipment allows subscriber terminal equipment to send access request on more than one component carrier, the channel performance corresponding to subscriber terminal equipment of each component carrier can then be compared with a predetermined channel performance threshold, channel performance is defined as sending access request for subscriber terminal equipment less than the component carrier of the predetermined channel performance threshold or the component carrier of access request is sent again.If the network equipment only allows subscriber terminal equipment to send access request on one-component carrier wave, the best component carrier of channel performance can be then selected, is defined as sending access request for subscriber terminal equipment or sends the component carrier of access request again.
This method also includes step 130, the network equipment sends one-component carrier indication information to subscriber terminal equipment, the component carrier configured information indicates at least one component carrier, that is the network equipment will be can be used for subscriber terminal equipment to send access request or retransmit at least one component carrier of access request and be informed to subscriber terminal equipment by component carrier configured information determined by the network equipment.
On the basis of component carrier relevant information, the network equipment, so as to effectively utilize multiple component carrier resources, can improve communication system according to the entirety of system or the component carrier asked
Performance.
Fig. 2 is the flow chart of the method for being used to control subscriber terminal equipment to access the network equipment in the network device according to still another embodiment of the invention.
Reference picture 2, when at least one component carrier for subscriber terminal equipment sends access request again, this method also includes step 210, the network equipment obtains first back-off value corresponding at least one component carrier, first back-off value is used for the time that indicating user terminal equipment sends the access request again, and step 220, the network equipment the first back-off value of transmission is to subscriber terminal equipment.
First back-off value can be an absolute time value or be a time variation amount relative to an absolute time value.The network equipment can obtain the first back-off value in several ways.For example, it is that subscriber terminal equipment is randomly assigned a back-off value as the first back-off value to occupy a predetermined back off time allocation rule.And for example, the situation of at least one component carrier according to indicated by component carrier relevant information, is that at least one component carrier determines a back-off value as the first back-off value.For example, when the total load at least one component carrier is less than a predetermined total load threshold value, the first back-off value is a less back-off value, otherwise, and the first back-off value is a larger back-off value.
In this way, (access request is retransmitted available for transmission access request again corresponding to subscriber terminal equipment）All component carriers, back-off value is same back-off value, i.e. the first back-off value.
It is the unified rational back-off value of determination of at least one component carrier by the network equipment, subscriber terminal equipment can just simplify the selection of the component carrier for sending access request again, and be effectively prevented from that access request conflict occurs again.
Fig. 3 is the flow chart of the method for being used to control subscriber terminal equipment to access the network equipment in the network device according to still a further embodiment.
Reference picture 3, when at least one component carrier for subscriber terminal equipment sends access request again, this method also includes step 310, the network equipment obtains second back-off value of the one-component carrier wave corresponded at least one component carrier, and second back-off value is used for the time that indicating user terminal equipment sends access request again on this component carrier；And step 320, the network equipment the second back-off value of transmission is to the subscriber terminal equipment.
Second back-off value can be an absolute time value or be a time variation amount relative to an absolute time value.The network equipment can obtain the second back-off value in several ways.For example, being that subscriber terminal equipment is randomly assigned a back-off value as the second back-off value according to a predetermined back off time distribution principle.And for example, the information according to indicated by component carrier relevant information, determines the second back-off value.For example, on this component carrier, when channel performance is less than a predetermined channel performance threshold value between subscriber terminal equipment and the network equipment, the second back-off value is a less back-off value, conversely, the second back-off value is a larger back-off value.
In this way, it can be used for all component carriers for sending access request again corresponding to subscriber terminal equipment, back-off value determines that the back-off value that is, at least one component carrier corresponding to each component carrier can be different respectively.
It is the rational back-off value of determination of at least one component carrier respectively by the network equipment, subscriber terminal equipment just can be selected more accurately for sending the component carrier of access request again, and is effectively prevented from that access request conflict occurs again.There is provided a kind of method for being used to access a network equipment in a subscriber terminal equipment for one embodiment according to a second aspect of the present invention.The reception channel of the network equipment is provided with multiple component carriers.
Fig. 4 is the flow chart of the method according to an embodiment of the invention for being used for access network device in subscriber terminal equipment.
Reference picture 4, the method comprising the steps of 410, subscriber terminal equipment receives a first component carrier configured information from the network equipment, and the first component carrier configured information indicates at least one component carrier and sends an access request for subscriber terminal equipment.
This method also includes step 420, and subscriber terminal equipment is according to the first component carrier configured information, at least one component carrier, determines that first component carrier is used to send access request.
This method also includes step 430, and subscriber terminal equipment sends access request to the network equipment on the first component carrier.
When subscriber terminal equipment can only send access request by limitation on one-component carrier wave,
First component carrier configured information only indicates that one-component carrier wave is used for subscriber terminal equipment and sends access request.In this case, subscriber terminal equipment just sends access request on unique component carrier indicated by the first component carrier information, to ask access network device.
When subscriber terminal equipment can send access request on multiple component carriers, the first component carrier configured information indicates that multiple component carriers are used for subscriber terminal equipment and send access request.In this case, subscriber terminal equipment can determine that one-component carrier wave is used to send access request in multiple component carriers indicated by the first component carrier information, to ask Jie Ru Wang Network equipment.
When subscriber terminal equipment can send access request on multiple component carriers, subscriber terminal equipment can select the component carrier for sending access request in several ways.For example, subscriber terminal equipment selection is corresponding to the best component carrier of the channel performance between subscriber terminal equipment and the network equipment.And for example, subscriber terminal equipment selection history is successfully accessed rate highest component carrier.
On the basis of the first component carrier configured information, subscriber terminal equipment can reasonably determine the component carrier for sending access request, so as to effectively utilize multiple component carrier resources, improve the performance of communication system.
Fig. 5 is the flow chart of the method for being used for access network device in subscriber terminal equipment according to still another embodiment of the invention.
Reference picture 5, after step 430, this method also includes step 510, and subscriber terminal equipment obtains a second component carrier indication information, and the second component carrier indication information indicates at least one component carrier and sends access request again for subscriber terminal equipment.
Second component carrier indication information can be identical, entirely different with the component carrier indicated by the first component carrier configured information or part is identical.User terminal can obtain second component carrier indication information in several ways.May be different from the candidate components carrier wave that subscriber terminal equipment is used to send access request first for sending the candidate components carrier wave of access request again for example, receiving second component carrier indication information, i.e. subscriber terminal equipment from the network equipment.And for example, the first component carrier configured information is set as that second component carrier indication information, i.e. subscriber terminal equipment are identical with the candidate components carrier wave that subscriber terminal equipment is used to send access request first for the candidate components carrier wave for sending access request again.For another example, subscriber terminal equipment is by before
Component carrier configured information corresponding to the access request of secondary repeating transmission is set as second component carrier indication information.
This method also includes step 520, and subscriber terminal equipment obtains first back-off value.Few one-component carrier wave.First back-off value is used for the time that indicating user terminal equipment sends access request again.That is, the back-off value that subscriber terminal equipment is sent corresponding to access request again on different component carriers is identical.
First back-off value can be an absolute time value or be a time variation amount relative to an absolute time value.Subscriber terminal equipment can obtain the first back-off value in several ways.
In one embodiment, subscriber terminal equipment receives the first back-off value from the network equipment.For example, subscriber terminal equipment receives the first back-off value Tl relative to tl at the time of sending access request first from the network equipment, then any moment that subscriber terminal equipment can be after the tl+Tl moment sends access request again.And for example, subscriber terminal equipment is from the network equipment first back-off value T2 of the reception relative to t2 at the time of receiving the first back-off value, then any moment that subscriber terminal equipment can be after the t2+T2 moment sends access request again.For another example, it is absolute moment t3 that subscriber terminal equipment receives the first back-off value from the network equipment, then any moment that subscriber terminal equipment can be after the t3 moment sends access request again.
In a further embodiment, subscriber terminal equipment oneself can determine the first back-off value.For example, randomly generating the first back-off value according to a predetermined back off time generation rule.
This method also includes step 530, and subscriber terminal equipment is according to second component carrier indication information, at least one component carrier of access request is sent again for subscriber terminal equipment, determines a second component carrier wave to send access request again.
Subscriber terminal equipment can determine second component carrier wave using various ways.
When subscriber terminal equipment can only send access request again by limitation on one-component carrier wave, second component carrier indication information only indicates that one-component carrier wave sends access request again for subscriber terminal equipment.In this case, subscriber terminal equipment is just in unique component carrier indicated by second component carrier information（That is second component carrier wave）On again send access please
Ask, to ask access network device.
When subscriber terminal equipment can send access request again on multiple component carriers, second component carrier indication information indicates that multiple component carriers send access request again for subscriber terminal equipment.In this case, subscriber terminal equipment can determine one-component carrier wave in multiple component carriers indicated by second component carrier information（That is second component carrier wave）For sending access request again, to ask Jie Ru Wang Network equipment.
When subscriber terminal equipment can send access request again on multiple component carriers, subscriber terminal equipment can select the second component carrier wave for sending access request again in several ways.For example, subscriber terminal equipment selection is used as second component carrier wave corresponding to the best component carrier of the channel performance between subscriber terminal equipment and the network equipment.And for example, subscriber terminal equipment selection history is successfully accessed rate highest component carrier as second component carrier wave.
This method also includes step 540, and subscriber terminal equipment sends access request to the network equipment again in the time indicated by the first back-off value on second component carrier wave.
Because the back-off value for all component carriers that can be used for sending access request again corresponding to subscriber terminal equipment is a back-off value, that is the first back-off value, subscriber terminal equipment is it is determined that during second component carrier wave, need not just consider the factor of back-off value.Therefore, the process of subscriber terminal equipment repeating transmission access request is simplified, so as to reduce processing delay.
In addition, on the basis of second component carrier indication information, subscriber terminal equipment can reasonably determine the component carrier for sending access request again, so as to effectively utilize multiple component carrier resources, the performance of communication system is improved.
Fig. 6 is the flow chart of the method for being used for access network device in subscriber terminal equipment according to still a further embodiment.
Reference picture 6, after step 430, this method also includes step 610, and user terminal obtains a three-component carrier indication information, and the three-component carrier indication information indicates at least one component carrier and sends access request again for subscriber terminal equipment.
Three-component carrier indication information can be identical, entirely different with the component carrier indicated by the first component carrier configured information or part is identical.User terminal can obtain three-component carrier indication information in several ways.For example, receiving three-component carrier indication information from the network equipment.And for example, the first component carrier configured information is set as that three-component carrier wave refers to
Show information.
This method also includes step 620, user terminal obtains at least one back-off value, each back-off value corresponds respectively to send each component carrier at least one component carrier of access request again for subscriber terminal equipment, and each back-off value is used for the time that indicating user terminal equipment sends the access request again on corresponding component carrier.That is, each component carrier has each self-corresponding back-off value.
Each back-off value can be an absolute time value or be a time variation amount relative to an absolute time value.Subscriber terminal equipment can obtain at least one back-off value in several ways.
In one embodiment, the back-off value for corresponding to each component carrier being used for during subscriber terminal equipment sends at least one component carrier of access request again that subscriber terminal equipment is received from the network equipment.
In an embodiment again, subscriber terminal equipment oneself can determine at least back-off value.For example, according to a predetermined back off time generation rule, to send each component carrier at least one component carrier of access request again for subscriber terminal equipment, randomly generating back-off value.
This method also includes step 630, user terminal is according at least one back-off value and three-component carrier indication information, in at least one component carrier of access request is sent again for subscriber terminal equipment, determine that a three-component carrier wave is used to send access request again.
User terminal can determine three-component carrier wave in several ways.
When subscriber terminal equipment can only send access request again by limitation on one-component carrier wave, three-component carrier indication information only indicates that one-component carrier wave sends access request again for subscriber terminal equipment.In this case, subscriber terminal equipment is just in unique component carrier indicated by three-component carrier information（That is three-component carrier wave）On send access request again, to ask access network device.
When subscriber terminal equipment can send access request again on multiple component carriers, three-component carrier indication information indicates that multiple component carriers send access request again for subscriber terminal equipment.In this case, subscriber terminal equipment can determine one-component carrier wave in multiple component carriers indicated by three-component carrier information（That is three-component carrier wave）For again
Access request is sent, to ask access network device.
When subscriber terminal equipment can send access request again on multiple component carriers, subscriber terminal equipment can select the three-component carrier wave for sending access request again in several ways.In one embodiment, the minimum component carrier of subscriber terminal equipment selection back-off value is used as three-component carrier wave.In yet another embodiment, the component carrier that less than one predetermined back-off value thresholding and load capacity of subscriber terminal equipment selection back-off value are less than a predetermined load capacity threshold value is used as three-component carrier wave.
This method also includes step 640, and user terminal sends access request to the network equipment again in the time indicated by the back-off value corresponding to three-component carrier wave on three-component carrier wave.
Due to can be used for all component carriers for sending access request again that there is each self-corresponding back-off value corresponding to subscriber terminal equipment, subscriber terminal equipment is it is determined that during three-component carrier wave, the characteristic of back-off value and the component carrier indicated by three-component carrier indication information can just be considered, the rational component carrier determined for sending access request again, so as to effectively utilize multiple component carrier resources, the performance of communication system is improved.Above-mentioned several scenes of the method available for communication system on sending access request and sending request again, such as subscriber terminal equipment initial access network equipment, the switching of subscriber terminal equipment, the uplink/downlink data arrival under up out of step conditions and Radio Link Failure.There is provided a kind of control device for being used to control a subscriber terminal equipment to access the network equipment in a network equipment for one embodiment according to a third aspect of the present invention.The reception channel of the network equipment is provided with multiple component carriers.
Fig. 7 is the block diagram of control device 700 according to an embodiment of the invention.
Reference picture 7, control device 700 includes first acquisition device 710, determining device 720 and first dispensing device 730.
First acquisition device 710 is used to obtain the component carrier relevant information on the multiple component carrier.Determining device 720 is used for according to component carrier relevant information, in multiple component carriers
In, determine that at least one component carrier is used for subscriber terminal equipment and sends access request or send access request again.First dispensing device 730 is used to send one-component carrier indication information to subscriber terminal equipment, and the component carrier configured information indicates at least one component carrier.
Fig. 8 is the block diagram of control device 800 according to still another embodiment of the invention.
Reference picture 8, sends access request, control device 800 is also including the second acquisition device 810 and the second dispensing device again when at least one component carrier of institute is used for subscriber terminal equipment
820。
Second acquisition device 810 is used to obtain first back-off value corresponding at least one component carrier, and the back-off value of the mat woven of fine bamboo strips one is used for the time that indicating user terminal equipment sends access request again.Second dispensing device 820 is used to send the first back-off value to subscriber terminal equipment.
Fig. 9 is the block diagram of control device 900 according to still a further embodiment.
Reference picture 9, when at least one component carrier for subscriber terminal equipment sends access request again, control device 900 also includes the 3rd acquisition device 910 and the 3rd dispensing device 920.
3rd acquisition device 910 is used for second back-off value for obtaining the one-component carrier wave corresponded at least one component carrier, and second back-off value is used for the time that indicating user terminal equipment sends access request again on this component carrier.3rd dispensing device 920 is used to send the second back-off value to subscriber terminal equipment.There is provided a kind of access device for being used to access a network equipment in a subscriber terminal equipment for one embodiment according to a fourth aspect of the present invention.The reception channel of the network equipment is provided with multiple component carriers.
Figure 10 is that the block diagram of the access device 1000 according to an embodiment of the invention access device 1000 includes a reception device 1010, first determining device 1020 and first dispensing device 1030.
Reception device 1010 is used to receive a first component carrier configured information from the network equipment, and the first component carrier configured information indicates at least one component carrier and sends an access request for subscriber terminal equipment.First determining device 1020 be used for according to component carrier configured information, at least one component carrier, determine first component carrier be used for send access
Request.First dispensing device 1030 is used to send access request on the first component carrier to the network equipment.
Figure 11 is the block diagram of access device 1 100 according to still another embodiment of the invention.With reference to Figure 11, access device 1100 also includes first acquisition device 11 10, the second determining device 1 120 and second dispensing device 1 130.
First acquisition device 1110 is used to obtain a second component carrier indication information, and the second component carrier indication information indicates at least one component carrier and sends the access request again for subscriber terminal equipment.First acquisition device 11 10 is additionally operable to obtain first back-off value, first back-off value, which corresponds to, is used at least one component carrier that subscriber terminal equipment sends access request again, and first back-off value is used for the time that indicating user terminal equipment sends access request again.
Second determining device 1120 is used for according to second component carrier indication information, at least one component carrier of access request is sent again for subscriber terminal equipment, determines a second component carrier wave to send access request again.Second dispensing device 1 130 was used in the time indicated by the first back-off value, sent access request again on second component carrier wave to the network equipment.
Figure 12 is the block diagram of access device 1200 according to still a further embodiment.Reference picture 12, access device 1200 also includes second acquisition device 1210, the 3rd determining device 1220 and the 3rd dispensing device 1230.
Second acquisition device 1210 is used to obtain a three-component carrier indication information, and the three-component carrier indication information indicates at least one component carrier and sends access request again for subscriber terminal equipment.Second acquisition device 1210 is additionally operable to obtain each component carrier at least one the described component carrier asked when at least one is kept out of the way, and each back-off value is used for the time that indicating user terminal equipment sends access request again on corresponding component carrier.
3rd determining device 1220 is used for according at least one back-off value and three-component carrier indication information, in at least one component carrier of access request is sent again for subscriber terminal equipment, determine that a three-component carrier wave is used to send access request again.3rd dispensing device 1230 was used in the time indicated by the back-off value corresponding to three-component carrier wave,
Access request is sent again on three-component carrier wave to the network equipment.
In one embodiment, the back-off value corresponding to three-component carrier wave is minimum at least one back-off value.It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, the present invention can be realized in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by appended claims rather than described above, it is intended that all changes Nang fallen in the implication and scope of the equivalency of claim is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.Furthermore, it is to be understood that " an including " word is not excluded for other units or step, odd number is not excluded for plural number.The multiple devices stated in system claims can also be realized by a device by software or hardware.The first, the second grade word is used for representing title, and is not offered as any specific order.
Claims (15)
- Claims1. a kind of method for being used to control a subscriber terminal equipment to access the network equipment in a network equipment, the reception channel of the network equipment is provided with multiple component carriers, this method comprises the following steps：A. obtain and plant ripple relevant information on the component of the multiple component carrier；B. according to the component carrier relevant information, in the multiple component carrier, determine that at least one component carrier is used for the subscriber terminal equipment and sends the access request or send the access request again；AndC. one-component carrier indication information is sent to the subscriber terminal equipment, and the component carrier configured information indicates at least one described component carrier.2. the method according to claim 1, wherein, it is further comprising the steps of after the step B when at least one described component carrier for the subscriber terminal equipment sends the access request again：- first back-off value for corresponding at least one component carrier is obtained, first back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again；And- first back-off value is sent to the subscriber terminal equipment.3. the method according to claim 1, wherein, it is further comprising the steps of after the step B when at least one described component carrier for the subscriber terminal equipment sends the access request again：One the second back-off value of the one-component carrier wave that-acquisition corresponds at least one described component carrier, second back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again on this component carrier；And- second back-off value is sent to the subscriber terminal equipment.4. the method according to claim 1, wherein, the component carrier relevant information Including at least one in following message：Each component carrier corresponds to the channel performance of the subscriber terminal equipment in the existing load capacity of each component carrier, the multiple component carrier in each component carrier is received in the multiple component carrier access request number, the multiple component carrier.5. a kind of method for being used to access a network equipment in a subscriber terminal equipment, the reception channel of the network equipment is provided with multiple component carriers, this method comprises the following steps：A. a first component carrier configured information is received from the network equipment, the first component carrier configured information indicates at least one component carrier and sends an access request for the subscriber terminal equipment；B. according to the first component carrier configured information, at least one described component carrier, determine that first component carrier is used to send the access request；AndC sends the access request to the network equipment on first component carrier.6. method according to claim 5, wherein, it is further comprising the steps of after the step c：- a second component carrier indication information is obtained, the second component carrier indication information indicates at least one component carrier and sends the access request again for the subscriber terminal equipment；- obtain first back-off value, first back-off value, which corresponds to, is used at least one described component carrier that the subscriber terminal equipment sends the access request again, and first back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again；- according to the second component carrier indication information, at least one component carrier described in the access request is sent again for the subscriber terminal equipment, determine a second component carrier wave to send the access request again；And- in the time indicated by first back-off value, the access request is sent again on the second component carrier wave to the network equipment.7. method according to claim 5, wherein, it is further comprising the steps of after the step c：- a three-component carrier indication information is obtained, three-component cultivation ripple configured information indicates at least one component carrier and sends the access request again for the subscriber terminal equipment；- obtain at least one back-off value, each back-off value corresponds respectively to send each component carrier at least one component carrier described in the access request again for the subscriber terminal equipment, and each back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again on corresponding component carrier；- according at least one described back-off value and the three-component carrier indication information, in at least one component carrier described in the access request is sent again for the subscriber terminal equipment, determine that a three-component carrier wave is used to send the access request again；And- in the time indicated by the back-off value corresponding to the three-component carrier wave, planted in the three-component and send the access request again to the network equipment on ripple.8. method according to claim 7, wherein, the back-off value corresponding to the three-component carrier wave is minimum at least one described back-off value.9. a kind of control device for being used to control a subscriber terminal equipment to access the network equipment in a network equipment, the reception channel of the network equipment is provided with multiple component carriers, the control device includes：One the first acquisition device, it is used to obtain the component carrier relevant information on the multiple component carrier；One determining device, it is used for according to the component carrier relevant information, in the multiple component carrier, determines that at least one component carrier is used for the subscriber terminal equipment and sends the access request or send the access request again；AndOne the first dispensing device, it is used to send one-component carrier indication information to the subscriber terminal equipment, and the component carrier configured information indicates at least one described component carrier.10. control device according to claim 9, wherein, when at least one described component carrier for the subscriber terminal equipment sends the access request again, in addition to：One the second acquisition device, it is used to obtain first back-off value for corresponding at least one component carrier, and first back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again；AndOne the second dispensing device, it is used to send first back-off value to the subscriber terminal equipment.1 1. control devices according to claim 9, wherein, when at least one described component carrier for the subscriber terminal equipment sends the access request again, in addition to：One the 3rd acquisition device, it is used for second back-off value for obtaining the one-component carrier wave corresponded at least one described component carrier, and second back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again on this component carrier；AndOne the 3rd dispensing device, it is used to send second back-off value to the subscriber terminal equipment.12. a kind of access device for being used to access a network equipment in a subscriber terminal equipment, the reception channel of the network equipment is provided with multiple component carriers, the access device includes：One reception device, it is used to receive a first component carrier configured information from the network equipment, and the first component carrier configured information indicates at least one component carrier and sends an access request for the subscriber terminal equipment；One the first determining device, it is used to plant ripple configured information according to the component, at least one described component carrier, determines that first component carrier is used to send the access request；AndOne the first dispensing device, it is used to send the access request to the network equipment on first component carrier.13. access device according to claim 12, wherein, in addition to：One the first acquisition device, it is used to obtain a second component carrier indication information, and the second component carrier indication information indicates at least one component carrier and sends the access request again for the subscriber terminal equipment；First acquisition device is additionally operable to obtain first back-off value, and first few one-component carrier wave when keeping out of the way, first back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again；One the second determining device, it is used for according to the second component carrier indication information, in at least one component carrier described in the access request is sent again for the subscriber terminal equipment, determine a second component carrier wave to send the access request again；And second dispensing device, it was used in the time indicated by first back-off value, sent the access request again on the second component carrier wave to the network equipment.14. access device according to claim 12, wherein, in addition to：One the second acquisition device, obtains a three-component carrier indication information, and the three-component carrier indication information indicates at least one component carrier and sends the access request again for the subscriber terminal equipment；Second acquisition device is additionally operable to obtain at least one back-off value, each back-off value corresponds respectively to send each component carrier at least one component carrier described in the access request again for the subscriber terminal equipment, and each back-off value is used to indicate that the subscriber terminal equipment sends the time of the access request again on corresponding component carrier；One the 3rd determining device, it is used for according at least one described back-off value and the three-component carrier indication information, in at least one component carrier described in the access request is sent again for the subscriber terminal equipment, determine that a three-component carrier wave is used to send the access request again；AndOne the 3rd dispensing device, it was used in the time indicated by the back-off value corresponding to the three-component carrier wave, sent the access request again on the three-component carrier wave to the network equipment.15. access device according to claim 14, wherein, the back-off value corresponding to the three-component carrier wave is minimum at least one described back-off value.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2010/070658 WO2011097810A1 (en) | 2010-02-11 | 2010-02-11 | Method and apparatus for user terminal equipment accessing to network equipment |
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| CN102763469A true CN102763469A (en) | 2012-10-31 |
| CN102763469B CN102763469B (en) | 2016-01-20 |
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| WO (1) | WO2011097810A1 (en) |
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| CN101227708A (en) * | 2007-01-19 | 2008-07-23 | 华为技术有限公司 | Apparatus and method of uniform wireless access and wireless network system |
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| CN1917694A (en) * | 2005-08-17 | 2007-02-21 | 西门子（中国）有限公司 | Method for selecting random access channel by user terminal in radio mobile communication system |
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| CN101588629A (en) * | 2009-06-16 | 2009-11-25 | 中兴通讯股份有限公司 | Method and device for determining DL synchronization component carrier in carrier polymerization system |
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| CN102763469B (en) | 2016-01-20 |
| WO2011097810A1 (en) | 2011-08-18 |
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