CN103476069A - Cell reselection method, resource release method, user equipment and base station - Google Patents
Cell reselection method, resource release method, user equipment and base station Download PDFInfo
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Abstract
The invention provides a cell reselection method, a resource release method, user equipment and a base station. The cell reselection method comprises the following steps that a UE which is in a Cell-FACH state uses a common E-DCH resource of a service cell in which the UE is located to carry out uplink transmission and carries out measurement during the process so as to discover a target cell which satisfies a predetermined rule; the UE calculates time that needed by the UE to send data in a buffer memory of the UE according to a data quantity in the buffer memory of the UE and a transmission rate of the UE; if the time that needed by the UE to send the data in a buffer memory of the UE is longer than preset time, the UE is reselected to the target cell. Therefore, the UE which is in the Cell-FACH state uses the common E-DCH resource of the service cell in which the UE is located to carry out uplink transmission and is reselected to the target cell during the process so that an interference to the target cell is reduced.
Description
Technical field
The application relates to the communication technology, relates in particular to a kind of residence reselecting, method for releasing resource, subscriber equipment and base station.
Background technology
At universal mobile telecommunications system (Universal Mobile Telecommunication System; Hereinafter to be referred as: UMTS), in idle (Idle) state or cell forward access channel (Cell Forward Access Channel; Hereinafter to be referred as: the Cell_FACH) subscriber equipment of state (User Equipment; Hereinafter to be referred as: UE) introduced the enhancing uplink characteristic under idle condition or Cell_FACH state, used and strengthen dedicated channel (Enhanced Dedicated Channel; Hereinafter to be referred as: E-DCH) replace Random Access Channel (Random Access Channel; Hereinafter to be referred as: RACH).UE in idle condition or CELL_FACH state can utilize the up common E-DCH resource of acquisition and pre-configured Transmission Time Interval (Transmission Time Interval; Hereinafter to be referred as: TTI), send upstream data to base station.
In prior art, only have when the UE in the Cell-FACH state is not used the E-DCH resource to carry out the transmission of upstream data, just allow the above-mentioned UE in the Cell-FACH state to carry out cell reselection.
If the UE in the Cell-FACH state is taking up E-DCH resource and is sending upstream data, although should can proceed co-frequency cell measurement and community sequence by the UE in the Cell-FACH state so, even if but there is the Target cell that meets the cell reselection criterion, do not allow this gravity treatment of UE in the Cell-FACH state to this Target cell yet.
Along with increasing of smart mobile phone application, the Cell-FACH state can become normality, so the time meeting that UE sends data at the Cell-FACH state is elongated.Regulation according to prior art, as UE in the Cell-FACH state, and while taking common E-DCH (common E-DCH) resource, do not allow this UE to carry out cell reselection, so, as this UE during in cell edge, if the common frequency measurement of this UE has met the cell reselection criterion, but can not gravity treatment arrive Target cell again, can cause very large uplink interference to Target cell.
Summary of the invention
The application's many aspects provide a kind of residence reselecting, method for releasing resource, subscriber equipment and base station, to realize that the subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of the Serving cell of this subscriber equipment to carry out in the process of uplink, carry out cell reselection, reduce the interference to Target cell.
The application provides a kind of residence reselecting on the one hand, comprise: the subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of described subscriber equipment place Serving cell to carry out in the process of uplink, measured, found to meet the Target cell of predetermined criterion; Described subscriber equipment calculates the required time of data in the buffer memory that described subscriber equipment sends described subscriber equipment according to the transmission rate of the data volume in the buffer memory of described subscriber equipment and described subscriber equipment; If the required time of data that described subscriber equipment sends in the buffer memory of described subscriber equipment is greater than predefined duration, described subscriber equipment gravity treatment is to described Target cell.
The application provides a kind of residence reselecting on the other hand, comprise: the subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of described subscriber equipment place Serving cell to carry out in the process of uplink, measured, found to meet the Target cell of predetermined criterion; Described subscriber equipment reads the broadcast of described Target cell, obtains described subscriber equipment and carries out the required configuration information of up access; Described subscriber equipment sends schedule information to described Serving cell, and described schedule information is carried resource and discharged indication, discharges the public enhancing dedicated channel resource of the described Serving cell that described subscriber equipment takies with the serving BS of indicating described subscriber equipment; Described subscriber equipment sends cell update message according to described configuration information to described Target cell.
The application provides a kind of method for releasing resource more on the one hand, comprising: base station receives the schedule information of the subscriber equipment transmission of described base station service, and described schedule information is carried resource and discharged indication; Described base station discharges the public enhancing dedicated channel resource of the described subscriber equipment place Serving cell of indicating the described subscriber equipment of release to take according to described resource.
The application provides a kind of subscriber equipment more on the one hand, comprising: measurement module, computing module and gravity treatment module; Described measurement module, for when described subscriber equipment during in cell forward access channel status, at described subscriber equipment, utilize during the public enhancing dedicated channel resource of described subscriber equipment place Serving cell carries out the process of uplink, measured, found to meet the Target cell of predetermined criterion; Described computing module, calculate the required time of data in the buffer memory that described subscriber equipment sends described subscriber equipment for the transmission rate of the data volume of the buffer memory according to described subscriber equipment and described subscriber equipment; Described gravity treatment module, the required time of data that sends the buffer memory of described subscriber equipment for the described subscriber equipment calculated when described computing module, while being greater than predefined duration, gravity treatment was to described Target cell.
The application provides a kind of subscriber equipment more on the one hand, comprising: cell measurement module, message read module, resource release module and message transmission module; Described cell measurement module, for when described subscriber equipment during in cell forward access channel status, in the public enhancing dedicated channel resource that utilizes described subscriber equipment place Serving cell carries out the process of uplink, measured, find to meet the Target cell of predetermined criterion; Described message read module, for reading the broadcast of described Target cell, obtain described subscriber equipment and carry out the required configuration information of up access; Described resource release module, for to described Serving cell, sending schedule information, described schedule information is carried resource and is discharged indication, discharges the public enhancing dedicated channel resource of the described Serving cell that described subscriber equipment takies with the serving BS of indicating described subscriber equipment; Described message transmission module, send cell update message for the described configuration information obtained according to described message read module to described Target cell, with gravity treatment, arrives described Target cell.
The application provides a kind of base station more on the one hand, comprising: receiver module and release module; Described receiver module, the schedule information sent for the subscriber equipment that receives the service of described base station, described schedule information is carried resource and is discharged indication; Described release module, the public enhancing dedicated channel resource of the described subscriber equipment place Serving cell taken for the described subscriber equipment of described resource release indication release received according to described receiver module.
The application's technique effect on the one hand is: the subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of this subscriber equipment place Serving cell to carry out in the process of uplink, measured, after discovery meets the Target cell of predetermined criterion, calculate the required time of data in the buffer memory that this subscriber equipment sends described subscriber equipment, if the required time of data that this subscriber equipment sends in the buffer memory of this subscriber equipment is greater than predefined duration, the subscriber equipment gravity treatment is to above-mentioned Target cell; Thereby can realize that the subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of this subscriber equipment place Serving cell to carry out in the process of uplink, gravity treatment, to the Target cell that meets predetermined criterion, reduces the interference to Target cell.
Pass through said process, above-mentioned subscriber equipment can gravity treatment arrive above-mentioned Target cell, thereby can realize that the subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of this subscriber equipment place Serving cell to carry out in the process of uplink, gravity treatment, to the Target cell that meets predetermined criterion, reduces the interference to Target cell.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is some embodiment of the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart that Fig. 1 is an embodiment of the application's residence reselecting;
The flow chart that Fig. 2 is another embodiment of the application's residence reselecting;
The flow chart that Fig. 3 is an embodiment of the application's method for releasing resource;
The structural representation that Fig. 4 is an embodiment of the application's subscriber equipment;
The structural representation that Fig. 5 is another embodiment of the application's subscriber equipment;
The structural representation that Fig. 6 is another embodiment of the application's subscriber equipment;
The structural representation that Fig. 7 is the embodiment in the application base station.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present application clearer, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the application's protection.
Various technology described herein can be used for various wireless communication systems, for example current Generation Mobile Telecommunication System (2nd Generation; Hereinafter to be referred as: 2G) system, 3G (Third Generation) Moblie (3rd Generation; Hereinafter to be referred as: 3G) system and next generation communication system; For instance, above-mentioned wireless communication system can be: global mobile communication (Global System for Mobile communications; Hereinafter to be referred as: GSM) system, code division multiple access (Code Division Multiple Access; Hereinafter to be referred as: CDMA) system, time division multiple access (Time Division Multiple Access; Hereinafter to be referred as: TDMA) system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access Wireless; Hereinafter to be referred as: WCDMA) system, frequency division multiple access (Frequency Division Multiple Addressing; Hereinafter to be referred as: FDMA) system, OFDM (Orthogonal Frequency-Division MultipleAccess; Hereinafter to be referred as: OFDMA) system, Single Carrier Frequency Division Multiple Access (Single Carrier-FDMA; Hereinafter to be referred as: SC-FDMA) system, GPRS (General Packet Radio Service; Hereinafter to be referred as: GPRS) system or Long Term Evolution (Long Term Evolution; Hereinafter to be referred as: LTE) system, and other these type of communication systems.
In conjunction with terminal and/or base station and/or base station controller, various aspects are described herein.
Subscriber equipment, can be that wireless terminal can be also catv terminal, wireless terminal can be to point to the equipment that the user provides voice and/or data connectivity, has the portable equipment of wireless connecting function or is connected to other treatment facilities of radio modem.Wireless terminal can be through wireless access network (for example: Radio Access Network; Be called for short: RAN) with one or more core net, communicate; Wireless terminal can be mobile terminal, as mobile phone (or being called " honeycomb " phone) with there is the computer of mobile terminal, for example, can be portable, pocket, hand-hold type, mobile device built-in computer or vehicle-mounted, they and wireless access network exchange language and/or data.For instance, above-mentioned wireless terminal can be: Personal Communications Services (Personal Communication Service; Hereinafter to be referred as: PCS) phone, cordless telephone, Session initiation Protocol (Session Initiation Protocol; Hereinafter to be referred as: SIP) phone, wireless local loop (Wireless Local Loop; Hereinafter to be referred as: WLL) station, personal digital assistant (Personal Digital Assistant; Hereinafter to be referred as: the equipment such as PDA).Wireless terminal also can be called system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), mobile radio station (Mobile Station), travelling carriage (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), subscriber equipment (User Device) or subscriber's installation (User Equipment) etc.
Base station (for example, access point) can refer in Access Network aloft on interface by the equipment of one or more sectors and wireless terminal communications.Base station can be used for air frame and Internet protocol (the Internet Protocol that will receive; Hereinafter to be referred as: IP) grouping is changed mutually, and as the router between the remainder of wireless terminal and Access Network, wherein the remainder of Access Network can comprise IP network.Base station is the attribute management of tunable to air interface also.For example, base station can be base station (the Base Transceiver Station in GSM or CDMA; Hereinafter to be referred as: BTS), can be also the base station (NodeB) in WCDMA, can also be the evolved base station (NodeB or eNB or e-NodeB) in LTE, and the application does not limit.Wherein, the abbreviation that eNB or e-NodeB are evolved base station (evolutional NodeB).
Base station controller can be base station controller (the Base Station Controller in GSM or CDMA; Hereinafter to be referred as: BSC), can be also radio network controller (the Radio Network Controller in WCDMA; Hereinafter to be referred as: RNC), the application does not limit.
In addition, term " system " and " network " in this article often can be by Alternates herein.Herein term " and/or ", be only a kind of incidence relation of describing affiliated partner, can there be three kinds of relations in expression, for example: A and/or B can mean: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, the character "/", generally mean that forward-backward correlation is to liking a kind of relation of "or" herein.
The flow chart that Fig. 1 is an embodiment of the application's residence reselecting, as shown in Figure 1, this residence reselecting can be as described below.
101, the UE in the Cell-FACH state utilizes the common E-DCH resource of UE place Serving cell to carry out, in the process of uplink, being measured, and finds to meet the Target cell of predetermined criterion.
Wherein, above-mentioned predetermined criterion can be: the signal quality of the co-frequency cell that UE measures is than the high predetermined threshold of the signal quality of the Serving cell of this UE, and the signal quality of above-mentioned co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high above-mentioned predetermined threshold of the signal quality of above-mentioned Serving cell.In the present embodiment, above-mentioned predetermined threshold can be 3dB, and the application is not limited in this certainly, and the application is not construed as limiting the size of predetermined threshold.
Particularly, UE in the Cell-FACH state utilizes the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, can carry out common frequency measurement, and the signal quality to all communities of measuring is sorted within the evaluation time, if the signal quality of certain co-frequency cell is than the high 3dB of the signal quality of the Serving cell of this UE, and the signal quality of above-mentioned co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high 3dB of signal quality of the Serving cell of this UE, above-mentioned co-frequency cell is the Target cell that meets predetermined criterion.
102, UE calculates the required time of data in the buffer memory that this UE sends above-mentioned UE according to the transmission rate of the data volume in the buffer memory of this UE and this UE.
103, if the required time of data that UE sends in the buffer memory of this UE is greater than predefined duration, the UE gravity treatment is to above-mentioned Target cell.
Particularly, step 102, the required time of data that UE calculates in the buffer memory that this UE sends above-mentioned UE according to the transmission rate of the data volume in the buffer memory of this UE and this UE can be: UE calculates the business of the transmission rate of data volume in the buffer memory of this UE and above-mentioned UE, sends the required time of data in the buffer memory of this UE as UE; Wherein, schedule information (the Scheduling Information of the data volume in the buffer memory of above-mentioned UE and this UE; Hereinafter to be referred as: all strengthen dedicated channel buffer status (Total E-DCH Buffer Status SI); Hereinafter to be referred as: TEBS) value of field equates; The transmission rate of above-mentioned UE equals the business of the TTI of upstream data amount that this UE transmits in the TTI of this UE and this UE.
Further, in the present embodiment, in above-mentioned predefined duration, if the buffer memory of this UE receives again new data, this UE is according to the transmission rate of the data volume in the buffer memory of this UE and above-mentioned UE, recalculates the required time of data in the buffer memory that this UE sends this UE; If the time of recalculating is greater than the residual time length of above-mentioned duration, this UE gravity treatment is to above-mentioned Target cell.
That is to say, in the present embodiment, if the required time of data that UE sends in the buffer memory of this UE be less than or equal to above-mentioned predefined duration, within above-mentioned predefined duration, UE can send the data in the buffer memory of this UE, and this UE does not carry out cell reselection; And if the required time of data that UE sends in the buffer memory of this UE is greater than above-mentioned predefined duration, in above-mentioned predefined duration, UE can not send the data in the buffer memory of this UE, and the UE gravity treatment is to above-mentioned Target cell.
If in above-mentioned predefined duration, this UE has again new transfer of data in buffer memory, and this UE need to recalculate the required time of data in the buffer memory that this UE sends this UE; If the time of recalculating is less than or equal to the residual time length of above-mentioned duration, the data in the buffer memory of this UE can be sent in the residual time length of above-mentioned duration, and this UE does not carry out cell reselection; And if the time of recalculating is greater than the residual time length of above-mentioned duration, the data in the buffer memory of this UE can not be sent in the residual time length of above-mentioned duration, and this UE gravity treatment is to above-mentioned Target cell.
Particularly, above-mentioned predefined duration can be the timing length of the timer that sets in advance, and further, before step 101, UE can also read the broadcast of the Serving cell of this UE, obtains the timing length of above-mentioned timer and above-mentioned timer.Particularly, the timing length of this timer and this timer is to be set in advance by radio network controller, and by the cell broadcast service of above-mentioned UE, therefore, the broadcast of the Serving cell of UE by reading this UE, can obtain the timer that sets in advance and the timing length of this timer.After step 101, UE can also start above-mentioned timer, calculate like this data in the buffer memory that this UE sends above-mentioned UE according to the transmission rate of the data volume in the buffer memory of this UE and this UE at UE after the required time, if this UE sends the timing length that required time of data in the buffer memory of above-mentioned UE is greater than this timer, the UE gravity treatment is to Target cell.
In the present embodiment, the UE gravity treatment to above-mentioned Target cell can be: UE sends SI to above-mentioned Serving cell, and this SI carries resource and discharges indication, discharges the common E-DCH resource of the Serving cell that above-mentioned UE takies with the serving BS of indicating this UE; Then, above-mentioned UE reads the broadcast of above-mentioned Target cell, obtains this UE and carries out the required configuration information of up access.
Wherein, SI carries resource release indication: the value of each field of SI is 0, that is to say, the value that UE can send each field to the Serving cell of this UE is 0 SI (being SI=0), and the serving BS that is used to indicate this UE discharges the common E-DCH resource of the Serving cell that this UE takies.Certainly, the application is not limited in this, and the mode that the application carries resource release indication to SI is not construed as limiting.Particularly, after the serving BS of this UE receives the SI of UE transmission, if find SI=0, this serving BS can be determined the common E-DCH resource of the Serving cell that UE requires this UE of release to take, then, this serving BS discharges the common E-DCH resource of this UE place Serving cell that above-mentioned UE takies.
Further, after above-mentioned Target cell is arrived in the UE gravity treatment, UE sends cell update message according to the above-mentioned configuration information obtained to above-mentioned Target cell, and initiate up access according to above-mentioned configuration information, to access above-mentioned Target cell, after accessing this Target cell, UE can carry out transmitting uplink data at this Target cell.
In above-described embodiment, UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, measured, after discovery meets the Target cell of predetermined criterion, calculate the required time of data in the buffer memory that this UE sends this UE, if the required time of data that this UE sends in the buffer memory of this UE is greater than above-mentioned predefined duration, the UE gravity treatment is to above-mentioned Target cell; Thereby can realize that the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, gravity treatment, to the Target cell that meets predetermined criterion, reduces the interference to Target cell.
The flow chart that Fig. 2 is another embodiment of the application's residence reselecting, as shown in Figure 2, this residence reselecting can be as described below.
201, the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out, in the process of uplink, being measured, and finds to meet the Target cell of predetermined criterion.
Wherein, above-mentioned predetermined criterion can be: the signal quality of the co-frequency cell that UE measures is than the high predetermined threshold of the signal quality of the Serving cell of this UE, and the signal quality of above-mentioned co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high above-mentioned predetermined threshold of the signal quality of above-mentioned Serving cell.In the present embodiment, above-mentioned predetermined threshold can be 3dB, and the application is not limited in this certainly, and the application is not construed as limiting the size of predetermined threshold.
Particularly, UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, can carry out common frequency measurement, and the signal quality to all communities of measuring is sorted within the evaluation time, if the signal quality of certain co-frequency cell is than the high 3dB of the signal quality of the Serving cell of this UE, and the signal quality of above-mentioned co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high 3dB of signal quality of the Serving cell of this UE, above-mentioned co-frequency cell is the Target cell that meets predetermined criterion.
202, UE reads the broadcast of above-mentioned Target cell, obtains this UE and carries out the required configuration information of up access.
203, UE sends schedule information to above-mentioned Serving cell, and this schedule information is carried resource and discharged indication, discharges the common E-DCH resource of the Serving cell that above-mentioned UE takies with the serving BS of indicating this UE.
Wherein, SI carries resource release indication: the value of each field of SI is 0, that is to say, the value that UE can send each field to the Serving cell of this UE is 0 SI (being SI=0), and the serving BS that is used to indicate this UE discharges the common E-DCH resource of the Serving cell that this UE takies.Certainly, the application is not limited in this, and the mode that the application carries resource release indication to SI is not construed as limiting.Particularly, after the serving BS of this UE receives the SI of UE transmission, if find SI=0, this serving BS can be determined the common E-DCH resource of the Serving cell that UE requires this UE of release to take, then, this serving BS discharges the common E-DCH resource of this UE place Serving cell that above-mentioned UE takies.
204, UE sends cell update message according to above-mentioned configuration information to Target cell.
Further, after step 204, UE can also initiate up access according to above-mentioned configuration information, to access above-mentioned Target cell.After accessing this Target cell, UE can carry out transmitting uplink data at this Target cell.
It should be noted that, in the present embodiment, if in the process that reads the Target cell broadcast, above-mentioned UE has completed the transmission of upstream data, and this UE also needs to proceed cell reselection.Because above-mentioned UE continues to send upstream data in current service cell in the broadcast that reads Target cell simultaneously, therefore can reduce the time that in cell reselection process, upstream data interrupts.
In above-described embodiment, UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, measured, after discovery meets the Target cell of predetermined criterion, this UE reads the broadcast of this Target cell, obtain this UE and carry out the required configuration information of up access, then this UE sends schedule information to above-mentioned Serving cell, above-mentioned schedule information is carried resource and is discharged indication, discharges the common E-DCH resource of the Serving cell that above-mentioned UE takies with the serving BS of indicating this UE.Pass through said process, above-mentioned UE can gravity treatment arrive above-mentioned Target cell, thereby can realize that the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, gravity treatment, to the Target cell that meets predetermined criterion, reduces the interference to Target cell.
The flow chart that Fig. 3 is an embodiment of the application's method for releasing resource, as shown in Figure 3, this method for releasing resource can be as described below.
301, base station receives the SI of the UE transmission of this base station service, and this SI carries resource and discharges indication.
Particularly, above-mentioned UE can be in the Cell-FACH state, above-mentioned SI can be that the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, measured, after discovery meets the Target cell of predetermined criterion, to the Serving cell of this UE, send.
Wherein, above-mentioned predetermined criterion can be: the signal quality of the co-frequency cell that UE measures is than the high predetermined threshold of the signal quality of the Serving cell of this UE, and the signal quality of above-mentioned co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high above-mentioned predetermined threshold of the signal quality of above-mentioned Serving cell.In the present embodiment, above-mentioned predetermined threshold can be 3dB, and the application is not limited in this certainly, and the application is not construed as limiting the size of predetermined threshold.
302, base station discharges the common E-DCH resource of this UE place Serving cell of indicating this UE of release to take according to above-mentioned resource.
Particularly, after base station receives the SI of UE transmission, the resource of carrying according to this SI discharges the common E-DCH resource that indication can be determined this UE place Serving cell that UE requires this UE of release to take.
Wherein, SI carries resource and discharges indication and can be: the value of each field of SI is 0, i.e. SI=0.Certainly, the application is not limited in this, and the mode that the application carries resource release indication to SI is not construed as limiting.Particularly, after above-mentioned base station receives the SI of UE transmission, if find SI=0, the common E-DCH resource of the Serving cell that UE requires this UE of release to take can be determined in this base station, then, this base station discharges the common E-DCH resource of this UE place Serving cell that above-mentioned UE takies.
In above-described embodiment, after base station receives the SI that the UE of this base station service sends, the resource of carrying according to this SI discharges the common E-DCH resource that indication can discharge this UE place Serving cell that this UE takies; Thereby can realize in the UE gravity treatment in the process of the Target cell that meets predetermined criterion, discharge the common E-DCH resource of this UE place Serving cell that this UE takies.
One of ordinary skill in the art will appreciate that: realize that the hardware that all or part of step of above-mentioned each embodiment of the method can be relevant by program command completes.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
The structural representation that Fig. 4 is an embodiment of the application's subscriber equipment, the UE in the present embodiment can realize the flow process that the application is embodiment illustrated in fig. 1, as shown in Figure 4, this UE can comprise: measurement module 41, computing module 42 and gravity treatment module 43.
Wherein, measurement module 41, for as above-mentioned UE during in the Cell-FACH state, utilize during the common E-DCH resource of above-mentioned UE place Serving cell carries out the process of uplink at this UE, measured, and finds to meet the Target cell of predetermined criterion.
Wherein, above-mentioned predetermined criterion can be: the signal quality of the co-frequency cell that UE measures is than the high predetermined threshold of the signal quality of the Serving cell of this UE, and the signal quality of above-mentioned co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high above-mentioned predetermined threshold of the signal quality of above-mentioned Serving cell.In the present embodiment, above-mentioned predetermined threshold can be 3dB, and the application is not limited in this certainly, and the application is not construed as limiting the size of predetermined threshold.
Further, computing module 42, also in above-mentioned predefined duration, if the buffer memory of this UE receives new data, according to the transmission rate of the data volume in the buffer memory of this UE and this UE, recalculate the required time of data in the buffer memory that above-mentioned UE sends this UE.
That is to say, in the present embodiment, if the required time of data that UE sends in the buffer memory of this UE be less than or equal to above-mentioned predefined duration, within above-mentioned predefined duration, UE can send the data in the buffer memory of this UE, and gravity treatment module 43 is not carried out cell reselection; And if the required time of data that UE sends in the buffer memory of this UE is greater than above-mentioned predefined duration, in above-mentioned predefined duration, UE can not send the data in the buffer memory of this UE, and 43 gravity treatments of gravity treatment module are to above-mentioned Target cell.
If, in above-mentioned predefined duration, the buffer memory of this UE receives again new data, computing module 42 need to recalculate the required time of data in the buffer memory that this UE sends this UE; If the time that computing module 42 recalculates is less than or equal to the residual time length of above-mentioned duration, the data in the buffer memory of this UE can be sent in the residual time length of above-mentioned duration, and gravity treatment module 43 is not carried out cell reselection; And if the time that computing module 42 recalculates is greater than the residual time length of above-mentioned duration, the data in the buffer memory of this UE can not be sent in the residual time length of above-mentioned duration, and 43 gravity treatments of gravity treatment module are to above-mentioned Target cell.
In above-described embodiment, UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, measurement module 41 is measured, after discovery meets the Target cell of predetermined criterion, computing module 42 calculates the required time of data in the buffer memory that these UE send this UE, if the required time of data that this UE sends in the buffer memory of this UE is greater than above-mentioned predefined duration, 43 gravity treatments of gravity treatment module are to above-mentioned Target cell; Thereby can realize that the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, gravity treatment, to the Target cell that meets the cell reselection criterion, reduces the interference to Target cell.
The structural representation that Fig. 5 is another embodiment of the application's subscriber equipment, compare with the subscriber equipment shown in Fig. 4, and difference is, the UE shown in Fig. 5 can also comprise: read module 44 and start module 45.
Wherein, read module 44, before being measured at measurement module 41, read the broadcast of above-mentioned Serving cell, the timer that acquisition sets in advance and the timing length of above-mentioned timer.Particularly, the timing length of this timer and this timer is to be set in advance by radio network controller, and by the cell broadcast service of above-mentioned UE, therefore, the broadcast of the Serving cell of read module 44 by reading this UE, can obtain the timer that sets in advance and the timing length of this timer.
In the present embodiment, gravity treatment module 43 can comprise: message sends submodule 431 and message reading submodule 432.
Wherein, message sends submodule 431, and for to above-mentioned Serving cell, sending SI, this SI carries resource and discharges indication, discharges the common E-DCH resource of the Serving cell that this UE takies with the serving BS of indicating this UE; Wherein, SI carries resource release indication: the value of each field of SI is 0, that is to say, the value that UE can send each field to the Serving cell of this UE is 0 SI (being SI=0), and the serving BS that is used to indicate this UE discharges the common E-DCH resource of the Serving cell that this UE takies.Certainly, the application is not limited in this, and the mode that the application carries resource release indication to SI is not construed as limiting.
Further, UE shown in Fig. 5 can also comprise: sending module 46, send cell update message for the configuration information obtained according to message reading submodule 432 to above-mentioned Target cell, and initiate up access according to the configuration information of message reading submodule 432 acquisitions, to access above-mentioned Target cell.After accessing this Target cell, UE can carry out transmitting uplink data at this Target cell.
Above-mentioned UE can realize that the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, and gravity treatment, to the Target cell that meets the cell reselection criterion, reduces the interference to Target cell.
The structural representation that Fig. 6 is another embodiment of the application's subscriber equipment, UE in the present embodiment can realize the flow process that the application is embodiment illustrated in fig. 2, as shown in Figure 6, this UE can comprise: cell measurement module 61, resource release module 62, message read module 63 and message transmission module 64.
Wherein, cell measurement module 61, for, in the common E-DCH resource of utilizing this UE place Serving cell is carried out the process of uplink, being measured during in the Cell-FACH state as above-mentioned UE, find to meet the Target cell of predetermined criterion.
Message read module 63, for reading the broadcast of above-mentioned Target cell, obtain this UE and carry out the required configuration information of up access.
Message transmission module 64, send cell update message for the above-mentioned configuration information obtained according to message read module 63 to Target cell.
Further, in a kind of implementation of the present embodiment, this UE can also comprise: access initiation module 65, initiate up access for the above-mentioned configuration information obtained according to message read module 63, to access above-mentioned Target cell.After accessing this Target cell, UE can carry out transmitting uplink data at this Target cell.
It should be noted that, in the present embodiment, if read in the process of Target cell broadcast at message read module 63, above-mentioned UE has completed the transmission of upstream data, and this UE also needs to proceed cell reselection.Because the broadcast that reads Target cell at message read module 63 continues to send upstream data in current service cell simultaneously, therefore can reduce the time that in cell reselection process, upstream data interrupts.
In above-described embodiment, UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, cell measurement module 61 is measured, after discovery meets the Target cell of cell reselection criterion, message read module 63 reads the broadcast of above-mentioned Target cell, obtain this UE and carry out the required configuration information of up access, then resource release module 62 sends SI to above-mentioned Serving cell, this SI carries resource and discharges indication, to discharge the common E-DCH resource of the Serving cell that above-mentioned UE takies; Thereby can realize that the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, gravity treatment, to the Target cell that meets the cell reselection criterion, reduces the interference to Target cell.
The structural representation that Fig. 7 is the embodiment in the application base station, the flow process that the application is embodiment illustrated in fig. 3 can be realized in the base station in the present embodiment, as shown in Figure 7, this base station can comprise: receiver module 71 and release module 72.
Wherein, receiver module 71, the schedule information sent for the UE that receives this base station service, this schedule information is carried resource and is discharged indication; Particularly, above-mentioned UE can be in the Cell-FACH state, above-mentioned SI can be that the UE in the Cell-FACH state is utilizing the common E-DCH resource of this UE place Serving cell to carry out in the process of uplink, measured, after discovery meets the Target cell of predetermined criterion, to the Serving cell of this UE, send.
Wherein, above-mentioned predetermined criterion can be: the signal quality of the co-frequency cell that UE measures is than the high predetermined threshold of the signal quality of the Serving cell of this UE, and the signal quality of above-mentioned co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high above-mentioned predetermined threshold of the signal quality of above-mentioned Serving cell.In the present embodiment, above-mentioned predetermined threshold can be 3dB, and the application is not limited in this certainly, and the application is not construed as limiting the size of predetermined threshold.
Particularly, after base station receives the SI of UE transmission, the resource of carrying according to this SI discharges the common E-DCH resource that indication can be determined this UE place Serving cell that UE requires this UE of release to take.
Wherein, SI carries resource and discharges indication and can be: the value of each field of SI is 0, i.e. SI=0.Certainly, the application is not limited in this, and the mode that the application carries resource release indication to SI is not construed as limiting.Particularly, after above-mentioned base station receives the SI of UE transmission, if find SI=0, the common E-DCH resource of the Serving cell that UE requires this UE of release to take can be determined in this base station, then, this base station discharges the common E-DCH resource of this UE place Serving cell that above-mentioned UE takies.
In above-described embodiment, after receiver module 71 receives the SI that the UE of this base station service sends, the resource that release module 72 is carried according to this SI discharges the common E-DCH resource that indication can discharge this UE place Serving cell that this UE takies; Thereby can realize in the UE gravity treatment in the process of the Target cell that meets predetermined criterion, discharge the common E-DCH resource of this UE place Serving cell that this UE takies.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the application is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
The those skilled in the art can be well understood to, for convenience and simplicity of description, only the division with above-mentioned each functional module is illustrated, in practical application, can above-mentioned functions be distributed and completed by different functional modules as required, the internal structure that is about to device is divided into different functional modules, to complete all or part of function described above.The system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described module or unit, be only that a kind of logic function is divided, during actual the realization, other dividing mode can be arranged, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as the separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed on a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the purpose of the present embodiment scheme.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, also can adopt the form of SFU software functional unit to realize.
If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the all or part of of the part that the application's technical scheme contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) carry out all or part of step of the described method of each embodiment of the application.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.
The above, above embodiment only, in order to the application's technical scheme to be described, is not intended to limit; Although with reference to previous embodiment, the application is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the application.
Claims (21)
1. a residence reselecting, is characterized in that, comprising:
Subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of described subscriber equipment place Serving cell to carry out, in the process of uplink, being measured, and finds to meet the Target cell of predetermined criterion;
Described subscriber equipment calculates the required time of data in the buffer memory that described subscriber equipment sends described subscriber equipment according to the transmission rate of the data volume in the buffer memory of described subscriber equipment and described subscriber equipment;
If the required time of data that described subscriber equipment sends in the buffer memory of described subscriber equipment is greater than predefined duration, described subscriber equipment gravity treatment is to described Target cell.
2. method according to claim 1, it is characterized in that, described predetermined criterion comprises: the signal quality of the co-frequency cell that described subscriber equipment is measured is than the high predetermined threshold of the signal quality of the Serving cell of described subscriber equipment, and the signal quality of described co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high described predetermined threshold of the signal quality of described Serving cell.
3. method according to claim 1, it is characterized in that, the required time of data that described subscriber equipment calculates in the buffer memory that described subscriber equipment sends described subscriber equipment according to the transmission rate of the data volume in the buffer memory of described subscriber equipment and described subscriber equipment comprises:
The business of the data volume in the buffer memory of the described subscriber equipment of described subscriber devices compute and the transmission rate of described subscriber equipment, send the required time of data in the buffer memory of described subscriber equipment as described subscriber equipment;
Data volume in the buffer memory of described subscriber equipment equates with the value that all strengthens dedicated channel buffer status field in the schedule information of described subscriber equipment;
The transmission rate of described subscriber equipment equals the business of the Transmission Time Interval of upstream data amount that described subscriber equipment transmits in the Transmission Time Interval of described subscriber equipment and described subscriber equipment.
4. according to the described method of claim 1-3 any one, it is characterized in that, also comprise:
In described predefined duration, if the buffer memory of described subscriber equipment receives new data, described subscriber equipment is according to the transmission rate of the data volume in the buffer memory of described subscriber equipment and described subscriber equipment, recalculates the required time of data in the buffer memory that described subscriber equipment sends described subscriber equipment;
If the time of recalculating is greater than the residual time length of described duration, described subscriber equipment gravity treatment is to described Target cell.
5. method according to claim 1, is characterized in that, described predefined duration comprises the timing length of the timer set in advance;
Before described the measurement, also comprise:
Described subscriber equipment reads the broadcast of described Serving cell, obtains the timing length of described timer and described timer;
After described the measurement, also comprise:
Described subscriber equipment starts described timer;
Described subscriber equipment sends required time of data in the buffer memory of described subscriber equipment and is greater than predefined duration and comprises:
Described subscriber equipment sends the timing length that required time of data in the buffer memory of described subscriber equipment is greater than described timer.
6. method according to claim 1, is characterized in that, described subscriber equipment gravity treatment comprises to described Target cell:
Described subscriber equipment sends schedule information to described Serving cell, and described schedule information is carried resource and discharged indication, discharges the public enhancing dedicated channel resource of the described Serving cell that described subscriber equipment takies with the serving BS of indicating described subscriber equipment;
Described subscriber equipment reads the broadcast of described Target cell, obtains described subscriber equipment and carries out the required configuration information of up access.
7. method according to claim 6, is characterized in that, described subscriber equipment gravity treatment also comprises after arriving described Target cell:
Described subscriber equipment sends cell update message according to the described configuration information obtained to described Target cell, and initiates up access according to described configuration information, to access described Target cell.
8. a residence reselecting, is characterized in that, comprising:
Subscriber equipment in cell forward access channel status is utilizing the public enhancing dedicated channel resource of described subscriber equipment place Serving cell to carry out, in the process of uplink, being measured, and finds to meet the Target cell of predetermined criterion;
Described subscriber equipment reads the broadcast of described Target cell, obtains described subscriber equipment and carries out the required configuration information of up access;
Described subscriber equipment sends schedule information to described Serving cell, and described schedule information is carried resource and discharged indication, discharges the public enhancing dedicated channel resource of the described Serving cell that described subscriber equipment takies with the serving BS of indicating described subscriber equipment;
Described subscriber equipment sends cell update message according to described configuration information to described Target cell.
9. method according to claim 8, it is characterized in that, described predetermined criterion comprises: the signal quality of the co-frequency cell that described subscriber equipment is measured is than the high predetermined threshold of the signal quality of the Serving cell of described subscriber equipment, and the signal quality of described co-frequency cell is more than or equal to the cell reselection duration of setting than the duration of the high described predetermined threshold of the signal quality of described Serving cell.
10. method according to claim 8 or claim 9, is characterized in that, described according to described configuration information after described Target cell sends cell update message, also comprise:
Described subscriber equipment is initiated up access according to described configuration information, to access described Target cell.
11. a method for releasing resource, is characterized in that, comprising:
Base station receives the schedule information of the subscriber equipment transmission of described base station service, and described schedule information is carried resource and discharged indication;
Described base station discharges the public enhancing dedicated channel resource of the described subscriber equipment place Serving cell of indicating the described subscriber equipment of release to take according to described resource.
12. method according to claim 11, is characterized in that, described schedule information is carried resource release indication and comprised: the value of described each field of schedule information is 0.
13. a subscriber equipment, is characterized in that, comprising: measurement module, computing module and gravity treatment module;
Described measurement module, for when described subscriber equipment during in cell forward access channel status, at described subscriber equipment, utilize during the public enhancing dedicated channel resource of described subscriber equipment place Serving cell carries out the process of uplink, measured, found to meet the Target cell of predetermined criterion;
Described computing module, calculate the required time of data in the buffer memory that described subscriber equipment sends described subscriber equipment for the transmission rate of the data volume of the buffer memory according to described subscriber equipment and described subscriber equipment;
Described gravity treatment module, the required time of data that sends the buffer memory of described subscriber equipment for the described subscriber equipment calculated when described computing module, while being greater than predefined duration, gravity treatment was to described Target cell.
14. subscriber equipment according to claim 13, is characterized in that,
Described computing module, specifically for the business of the transmission rate of the data volume in the buffer memory that calculates described subscriber equipment and described subscriber equipment, send the required time of data in the buffer memory of described subscriber equipment as described subscriber equipment;
Data volume in the buffer memory of described subscriber equipment equates with the value that all strengthens dedicated channel buffer status field in the schedule information of described subscriber equipment;
The transmission rate of described subscriber equipment equals the business of the Transmission Time Interval of upstream data amount that described subscriber equipment transmits in the Transmission Time Interval of described subscriber equipment and described subscriber equipment.
15. according to the described subscriber equipment of claim 13-14 any one, it is characterized in that,
Described computing module, also in described predefined duration, if the buffer memory of described subscriber equipment receives new data, according to the transmission rate of the data volume in the buffer memory of described subscriber equipment and described subscriber equipment, recalculate the required time of data in the buffer memory that described subscriber equipment sends described subscriber equipment;
Described gravity treatment module, while also for the time of recalculating when described computing module, being greater than the residual time length of described duration, gravity treatment is to described Target cell.
16. subscriber equipment according to claim 13, is characterized in that, also comprises: read module and startup module;
Described read module, before being measured at described measurement module, read the broadcast of described Serving cell, the timer that acquisition sets in advance and the timing length of described timer;
Described startup module, for after described measurement module is measured, start described timer.
17. subscriber equipment according to claim 16, is characterized in that, described gravity treatment module comprises: message sends submodule and message reading submodule;
Described message sends submodule, for to described Serving cell, sending schedule information, described schedule information is carried resource and is discharged indication, discharges the public enhancing dedicated channel resource of the described Serving cell that described subscriber equipment takies with the serving BS of indicating described subscriber equipment;
Described message reading submodule, for reading the broadcast of described Target cell, obtain described subscriber equipment and carry out the required configuration information of up access.
18. subscriber equipment according to claim 17, is characterized in that, also comprises: sending module;
Described sending module, send cell update message for the described configuration information obtained according to described message reading submodule to described Target cell, and initiate up access according to the described configuration information of described message reading submodule acquisition, to access described Target cell.
19. a subscriber equipment, is characterized in that, comprising: cell measurement module, message read module, resource release module and message transmission module;
Described cell measurement module, for when described subscriber equipment during in cell forward access channel status, in the public enhancing dedicated channel resource that utilizes described subscriber equipment place Serving cell carries out the process of uplink, measured, find to meet the Target cell of predetermined criterion;
Described message read module, for reading the broadcast of described Target cell, obtain described subscriber equipment and carry out the required configuration information of up access;
Described resource release module, for to described Serving cell, sending schedule information, described schedule information is carried resource and is discharged indication, discharges the public enhancing dedicated channel resource of the described Serving cell that described subscriber equipment takies with the serving BS of indicating described subscriber equipment;
Described message transmission module, send cell update message for the described configuration information obtained according to described message read module to described Target cell, with gravity treatment, arrives described Target cell.
20. subscriber equipment according to claim 19, is characterized in that, also comprises: the access initiation module;
Described access initiation module, initiate up access for the described configuration information obtained according to described message read module, to access described Target cell.
21. a base station, is characterized in that, comprising: receiver module and release module;
Described receiver module, the schedule information sent for the subscriber equipment that receives the service of described base station, described schedule information is carried resource and is discharged indication;
Described release module, the public enhancing dedicated channel resource of the described subscriber equipment place Serving cell taken for the described subscriber equipment of described resource release indication release received according to described receiver module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188543.1A CN103476069B (en) | 2012-06-08 | 2012-06-08 | Residence reselecting, method for releasing resource, subscriber equipment and base station |
| PCT/CN2013/071293 WO2013181946A1 (en) | 2012-06-08 | 2013-02-02 | Cell reselection method, resource release method, user equipment and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210188543.1A CN103476069B (en) | 2012-06-08 | 2012-06-08 | Residence reselecting, method for releasing resource, subscriber equipment and base station |
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Also Published As
| Publication number | Publication date |
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| WO2013181946A1 (en) | 2013-12-12 |
| CN103476069B (en) | 2016-03-30 |
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