CN101686551B - Communication control method based on priority management and device - Google Patents
Communication control method based on priority management and device Download PDFInfo
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Abstract
The invention discloses a communication control method based on priority management, which is applied to a mobile communication system which is allocated with a measurement clearance and is in a DRX mode; the method comprises the following steps: relative parameters of the DRX mode are obtained, weather the priority of the measurement clearance is higher than the priority of data transmission is determined, if yes, the UE measures the quality of a communication channel of the adjacent district in the measurement clearance, if not, the UE and eNB carry out data transmission under the DRX mode; therefore, by leading in the priority management between the measurement clearance and the data transmission, the UE can carry out data transmission in the district smoothly while obtaining enough pilot frequency or different system measurement parameters, thereby overcoming the problems that the priority of the measurement parameters leads a data package to be lost and redundant dispatching demand processes are initiated by the UE in the existing proposal.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of discontinuous reception (DiscontinuOusReception, DRX) under the pattern based on the communication control method and the device of the priority management of measurement clearance and transfer of data.
Background technology
(Long term Evolution, LTE) in the system, (Radio Resource Control RRC) can have two kinds of mode of operations of continuous reception and DRX to UE to the Long Term Evolution of mobile communication under the connection status in Radio Resource control.Under the DRX pattern, subscriber equipment (User Equipment, U E) is periodically monitored control channel, according to the indication on the control channel finish data transmission (up, UL) or receive (descending, DL).Compare with traditional continuous receiving mode, DRX has the advantage of economize on electricity, and is particularly for the lower UE of the number of times that is scheduled, more suitable.
Referring to Fig. 1, be the DRX cycle configuration schematic diagram.The DRX cycle configuration is introduced into an of short duration continuous accepting state during each DRX cycle (DRX Cycle) beginning, is called On Duration (monitoring the duration), and its duration is determined by On Duration Timer.For specific implementation DRX operation, LTE has designed multiple timer, and (Hybrid AutomaticRepeat Request, HARQ) process have provided the operating process the DRX state under, specifically being described below of the timer of being correlated with in conjunction with mixing automatic repeat requests.
1. On Duration Timer: continuous severally can carry Physical Downlink Control Channel (Physical Downlink Control Channel, subframe PDCCH) from what the DRX cycle starting point began to count.UE need monitor PDCCH during this period, to check the resource allocation that whether has at this UE.If terminal receives descending scheduling and downlink data during On Duration, to start other timer and carry out follow-up scheduling process, if but terminal does not receive descending scheduling and downlink data during On Duration, will enter dormancy (sleep) state, up to next DRX cycle, On Duration Timer could receive downlink transfer when starting again.
If UE receives descending scheduling and downlink transfer during On Duration, also may start following timer, indication UE further monitors PDCCH.
2. DRX Inactivity Timer (the non-Active Timer of DRX): start when receiving the PDCCH of scheduling new data, UE monitors PDCCH always between the starting period; End condition is this timer expiry or the medium access control of receiving forced termination (Media Access Control, MAC) layer signaling.
3. HARQ RTT Timer (HARQ Round Trip Timer): at downlink transfer, start when receiving the PDCCH of dispatching downlink data, regular length is a retransmission time interval, unless covered by other timer during this period, otherwise do not need to monitor PDCCH.
4. DRX Retransmission Timer (DRX retransmission timer): at downlink transfer, the overtime back of HRAQRTT Timer starts, and UE monitors PDCCH always between the starting period; End condition is this timer expiry or receives the retransfer scheduling of expectation.
5. DRX Resolution Timer (competition solve timer) a: timer in the random access procedure.The uplink by the accidental access response scheduling that sends random access procedure from UE begins to start, and UE monitors PDCCH always between the starting period; End condition is this timer expiry or successfully receives competition solution message.
In order to realize the sub-district switching between alien frequencies or the different system, evolved base station (eNB) has periodically disposed measurement clearance (measuring gap) for UE.During measurement clearance, UE forwards on other frequency range the information such as channel quality of measuring other sub-district to, switches for alien frequencies or different system and prepares, and does not receive the descending scheduling and the transmission of this sub-district.As seen, UE can not carry out normal this cell data transmission in measurement clearance.
In existing LTE system, when transfer of data (comprising up-downgoing data dispatch, datagram transmission and feedback) and measurement clearance clash, all be that measurement clearance is preferential, be that UE is during the measurement clearance of configuration, the chop and change working frequency range, go to measure the information of the adjacent sub-district of alien frequencies or different system, and abandon the normal data transfer of this sub-district.
UE is in continuous accepting state following time, and measurement clearance always has precedence over transfer of data does not have for what problem, because transfer of data always can reasonably be recovered after measurement clearance.With the up example that is transmitted as, if UE because measurement clearance is preferential, does not have to receive the down direction feedback to the upstream data bag, UE regards it as ACK; If eNB reality does not correctly receive the upstream data bag, can after measurement clearance, redistribute the re-transmission of this packet of scheduling of resource, this packet still can normal transmission; If UE does not send the upstream data bag because measurement clearance is preferential, because knowing this packet, eNB and UE do not have actual transmission, UE can regard the transmission of this packet as NACK, initiates the re-transmission of this packet after measurement clearance.
Yet under the DRX pattern, measurement clearance always has precedence over the problem of losing that transfer of data may cause datagram.Illustrate below.
It is to be sent to suppose that eNB is cached with a large amount of downlink datas at UE between rest period, if there is not the influence of measurement clearance, its process as shown in Figure 2, eNB dispatches a downlink transfer and sends packet 1 during On Duration, UE receives successfully and feeding back ACK, after receiving the PDCCH of data dispatching bag 1, UE starts DRX Inactivity Timer, and behind the PDCCH that at every turn receives the once new transmission of scheduling, restart DRX lnactivity Timer one time, eNB is continued scheduling and is sent other packet.
If be subjected to the influence of measurement clearance, as shown in Figure 3, U E influence because of measurement clearance during On Duration does not receive descending scheduling and transmission, and after finishing, On Duration enters resting state, all data in the eNB buffer memory all can't send, if DRX cycle is longer, surpassed the maximum transmitted time delay that transfer of data allows, these data all will be lost.At other timer run duration, if measurement clearance always has precedence over transfer of data also similar problem can appear, for example, DRXRetransmission Timer run duration is not because the influence of measurement clearance receives the scheduling and the transmission of corresponding data bag, to can not start follow-up timer behind overtime the stopping of DRX Retransmission Timer, then this data-bag lost.
In addition, measurement clearance always has precedence over uplink scheduling and transmits and also other problem can occur under the DRX pattern, and for example, UE does not receive the scheduling to upstream data during On Duration, dispatch request be have to initiate, thereby dispatch request process and follow-up a series of complex processes caused.
Certainly, also be irrational if transfer of data is always had precedence over measurement clearance simply, because UE may can not normally not switch owing to obtaining enough alien frequencies or different system information of adjacent cells.
As seen, the scheme that measurement clearance always has precedence over transfer of data among the existing LTE can cause loss of data, UE to initiate unnecessary a series of problems such as dispatch request process for the DRX pattern.
Summary of the invention
The invention provides under a kind of DRX pattern communication control method and device, to alleviate the loss of data that existing scheme exists, the problem that UE initiates unnecessary dispatch request process based on the priority management of measurement clearance and transfer of data.
For this reason, the embodiment of the invention adopts following technical scheme:
A kind of communication control method based on priority management, be applied to dispose the mobile communication system that is in the DRX pattern of measurement clearance, comprise: obtain DRX pattern relevant parameter, and according to described DRX pattern relevant parameter, whether the priority of determining described measurement clearance is greater than the priority of described transfer of data, if user equipment (UE) is measured the adjacent cell channel quality in measurement clearance, otherwise UE carries out transfer of data with evolved base station eNB under the DRX pattern.
Whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data is: determine that described DRX pattern relevant parameter is sub-district service quality, DRX cycle length, DRX timer length and measurement clearance length; , DRX cycle length good or general when sub-district service quality is greater than the DRX cycle threshold value, and DRX timer length is determined the priority of the priority of described transfer of data greater than described measurement clearance during less than measurement clearance length.
Whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data is: determine that described DRX pattern relevant parameter is a DRX cycle length; When DRX cycle length less than minimum period of presetting during threshold value, determine the priority of the priority of described measurement clearance greater than described transfer of data.
Whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data is: determine that described DRX pattern relevant parameter is DRX timer length and measurement clearance length; When DRX timer length and measurement clearance length difference during, determine the priority of the priority of described measurement clearance greater than described transfer of data greater than difference threshold.
Whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data is: determine that described DRX pattern relevant parameter is a sub-district service quality; When described cell channel quality is lower than the service quality lowest threshold, determine the priority of the priority of described measurement clearance greater than described transfer of data.
Determine the priority of measurement clearance and the priority size of transfer of data in the following manner: described DRX pattern relevant parameter comprises that measurement clearance length, DRX timer length, DRX are weekly, sub-district service quality and business datum time delay; Be respectively DRX cycle length, DRX timer length and measurement clearance length difference, sub-district service quality or/and the business datum time delay is provided with priority factor; The product of each priority factor value and the priority reference value that presets are compared, determine the size of the priority of the priority of described measurement clearance and described transfer of data.
Described DRX timer comprises monitors timer, the non-Active Timer of DRX, DRX retransmission timer, or/and competition solves timer.
A kind of communication control unit based on priority management is positioned at the eNB side of the mobile communication system that is in the DRX pattern that has disposed measurement clearance, and comprising: parameter acquiring unit is used to obtain DRX pattern relevant parameter; The priority management unit is used for the DRX pattern relevant parameter that obtains according to described parameter acquiring unit, and whether the priority of determining described measurement clearance is greater than the priority of described transfer of data; Dispensing unit, the priority that is used for determining measurement clearance when described priority management unit is during greater than the priority of transfer of data, the indication user equipment (UE) is measured the adjacent cell channel quality in measurement clearance, otherwise indication eNB carries out transfer of data with UE under the DRX pattern.
Described priority management unit comprises: the selection of parameter subelement is used for choosing sub-district service quality, DRX cycle length, DRX timer length and measurement clearance length from the DRX pattern relevant parameter that described parameter acquiring unit is obtained; Priority ratio is than subelement, be used for when the cell channel service is good or general, DRX cycle length is greater than the DRX cycle threshold value, and DRX timer length determined the priority of the priority of described transfer of data greater than described measurement clearance during less than measurement clearance length.
Described priority management unit comprises: the selection of parameter subelement is used for choosing DRX cycle length from the DRX pattern relevant parameter that described parameter acquiring unit is obtained; Priority ratio is than subelement, be used for when DRX cycle length less than minimum period of presetting during threshold value, determine the priority of the priority of described measurement clearance greater than described transfer of data.
Described priority management unit comprises: the selection of parameter subelement is used for choosing DRX timer length and measurement clearance length from the DRX pattern relevant parameter that described parameter acquiring unit is obtained; Priority ratio is than subelement, is used for determining the priority of the priority of described measurement clearance greater than described transfer of data when DRX timer length and measurement clearance length difference during greater than difference threshold.
Described priority management unit comprises: the selection of parameter subelement is used for choosing sub-district service quality from the DRX pattern relevant parameter that described parameter acquiring unit is obtained; Priority ratio is used for determining the priority of the priority of described measurement clearance greater than described transfer of data when described sub-district service quality is lower than the channel quality lowest threshold than subelement.
Described priority management unit comprises: priority factor is provided with subelement, the DRX pattern relevant parameter that is used to described parameter acquiring unit to obtain is provided with priority factor respectively, is included as DRX cycle length, DRX timer length and measurement clearance length difference, sub-district service quality or/and the business datum time delay is provided with priority factor; Priority ratio is than subelement, is used for the product of each priority factor value is compared with the priority reference value that presets, and determines the size of the priority of the priority of described measurement clearance and described transfer of data.
The present invention is by introducing the priority management between measurement clearance and the transfer of data, make UE when obtaining enough alien frequencies or isosystem measurement parameter, the transfer of data in this sub-district be can carry out smoothly, always preferential data-bag lost that brings of measurement clearance and the unnecessary problems such as dispatch request process of UE initiation in the existing scheme overcome.
Description of drawings
Fig. 1 is a prior art DRX cycle configuration schematic diagram;
The transfer of data schematic diagram of DRX pattern when Fig. 2 does not have measurement clearance for prior art;
Fig. 3 is the transfer of data schematic diagram of prior art DRX pattern when measurement clearance is preferential;
Fig. 4 is the communication control method flow chart that the present invention is based on priority management;
Fig. 5 is the method flow diagram of a pair of measurement clearance of the embodiment of the invention and transfer of data priority management;
Fig. 6 is the method flow diagram of two pairs of measurement clearance of the embodiment of the invention and transfer of data priority management;
Fig. 7 is the method flow diagram of three pairs of measurement clearance of the embodiment of the invention and transfer of data priority management;
Fig. 8 is the method flow diagram of four pairs of measurement clearance of the embodiment of the invention and transfer of data priority management;
Fig. 9 is the method flow diagram of five pairs of measurement clearance of the embodiment of the invention and transfer of data priority management;
Figure 10 is the communication control unit structural representation that the present invention is based on priority management.
Embodiment
As previously mentioned, simply measurement clearance is always had precedence over transfer of data in the existing LTE system, this can cause problems (for example Fig. 3) such as data-bag lost in some cases, therefore, the present invention introduces priority management between measurement clearance and transfer of data, to avoid that the problem that measurement clearance is preferentially brought always is set.
Referring to Fig. 4,, comprising for the present invention is based on the communication control method flow chart of priority management:
S401: obtain DRX pattern relevant parameter;
S402: and according to described DRX pattern relevant parameter, whether the priority of determining measurement clearance greater than the priority of transfer of data, if, carry out S403, otherwise, S404 carried out;
S403:UE measures the adjacent cell channel quality in measurement clearance;
S404:UE carries out transfer of data with eNB under the DRX pattern, the transfer of data here comprises up-downgoing data dispatch, datagram transmission and feedback etc.
Wherein, DRX pattern relevant parameter is meant the relevant parameter of the DRX Modular Communications System that has disposed measurement clearance, specifically comprise and in measurement clearance length, DRX timer length, DRX cycle length, sub-district service quality and the business datum time delay etc. one or more in detail below these several typical parameters are described.
(1) measurement clearance length
Measurement clearance length is existing regulation in the LTS system, and every 40ms or 80ms have the measurement clearance of 6ms or 8ms, and generally speaking, measurement clearance length is long more, and the influence that transfer of data is brought is big more.
(2) DRX timer length
Particularly, the DRX timer comprises that monitoring timer, the non-Active Timer of DRX, DRX retransmission timer and competition solves timer.
If these timers measured gap between the starting period covers fully, measurement clearance preferentially can cause these timer complete failures.
(3) DRX cycle length
If DRX cycle is shorter, as 10ms, 20ms, measurement clearance has precedence over packet that transfer of data causes and can not send and can tolerate often, because these packets can send at next DRX cycle, otherwise, if DRX cycle is longer, may causes intolerable time delay, thereby cause data-bag lost.
(4) delay requirement of business data packet
Business need packet to the delay requirement strictness can in time send, and in this case, the priority of measurement clearance needs suitably to reduce, otherwise for the undemanding business of delay requirement, the priority of measurement clearance can suitably increase.
(5) sub-district service quality, perhaps, UE is to the attention rate of alien frequencies or different system parameters
If current area is relatively poor to the service quality of UE, for example channel quality is very poor, and UE need obtain the parameter information of alien frequencies or different system, and the priority of measurement clearance needs suitably to improve so.
When the influence of considering above-mentioned each parameter is carried out priority management to measurement clearance and transfer of data, can be according to following two criterions in the invention process process:
[1] when measurement clearance has precedence over transfer of data, need guarantee when measurement clearance finishes resume data transmission preferably;
[2] UE can obtain enough alien frequencies or isosystem measurement information by measurement clearance.
Under the guidance of above-mentioned two criterions, the present invention includes a plurality of embodiment.
Embodiment one:
Referring to Fig. 5, among the embodiment one to the method flow diagram of measurement clearance and transfer of data priority management, comprising:
S501: determine that DRX pattern relevant parameter is sub-district service quality, DRX cycle length, DRX timer length and measurement clearance length;
S502:, DRX cycle length good or general when sub-district service quality is greater than the DRX cycle threshold value, and DRX timer length is during less than measurement clearance length, and the priority of specified data transmission is greater than the priority of measurement clearance.
After the priority of priority greater than measurement clearance of specified data transmission, carry out UE carries out transfer of data with eNB under the DRX pattern flow process.
As seen, embodiment one has taken all factors into consideration these a plurality of factors of sub-district service quality, DRX cycle length, DRX timer length and measurement clearance length, wherein:
Sub-district service quality is good or general, illustrates that UE is not high to the attention rate of alien frequencies or different system parameters, need not carry out the sub-district and switch;
DRX cycle length illustrates that greater than the DRX cycle threshold value DRX cycle is very long, as previously mentioned, if measurement clearance is preferential when DRX cycle is longer, may cause intolerable time delay, thereby cause data-bag lost, and therefore, should at first consider transfer of data this moment;
DRX timer length if this moment, measurement clearance was preferential, then can cause the DRX timer to lose efficacy less than measurement clearance length, and therefore, should consider transfer of data this moment;
To sum up, in this case, it is preferential that transfer of data is set.
If be example still with Fig. 3 situation, adopt the problem of embodiment once the loss of data that can not cause existing scheme, among Fig. 3, On Duration timer length is less than measurement clearance length, and DRX cycle length is very long, if this moment, sub-district, UE place service quality was general or good, then should at first carry out transfer of data, rather than it is preferential that measurement clearance is set, so just can avoid the problem of data-bag lost.
Embodiment two:
Referring to Fig. 6, among the embodiment two to the method flow diagram of measurement clearance and transfer of data priority management, comprising:
S601: determine that described DRX pattern relevant parameter is a DRX cycle length;
S602: when DRX cycle length less than minimum period of presetting during threshold value, determine the priority of the priority of measurement clearance greater than transfer of data.
After the priority of priority greater than measurement clearance of specified data transmission, carry out the flow process that UE measures the adjacent cell channel quality in measurement clearance.
As seen, embodiment two has considered this factor of DRX cycle length, as previously mentioned, if DRX cycle is shorter, as 10ms, 20ms, measurement clearance has precedence over packet that transfer of data causes and can not send and can tolerate often, because these packets can send at next DRX cycle, therefore, in this case, it is preferential that embodiment two is provided with measurement clearance.
Embodiment three:
Referring to Fig. 7, among the embodiment three to the method flow diagram of measurement clearance and transfer of data priority management, comprising:
S701: determine that described DRX pattern relevant parameter is DRX timer length and measurement clearance length;
S702:, determine the priority of the priority of measurement clearance greater than transfer of data when DRX timer length and measurement clearance length difference during greater than difference threshold.
After the priority of priority greater than measurement clearance of specified data transmission, carry out the flow process that UE measures the adjacent cell channel quality in measurement clearance.
As seen, embodiment three has considered DRX timer length and these two factors of measurement clearance length, as preceding analysis as can be known, and when DRX timer length during greater than measurement clearance length, promptly, DRX timer length and measurement clearance length difference are during greater than difference threshold, and the DRX timer can not cover in measured gap fully, and it is preferential that be provided with measurement clearance this moment, after measurement clearance finishes, because DRX regularly remains valid, and can carry out transfer of data again, can not cause data-bag lost.
Embodiment four:
Referring to Fig. 8, among the embodiment four to the method flow diagram of measurement clearance and transfer of data priority management, comprising:
S801: determine that described DRX pattern relevant parameter is a sub-district service quality;
S802: when described cell channel quality was lower than the service quality lowest threshold, the priority of determining measurement clearance was greater than the priority of stating transfer of data.
After the priority of priority greater than measurement clearance of specified data transmission, carry out the flow process that UE measures the adjacent cell channel quality in measurement clearance.
As seen, embodiment four has considered this factor of sub-district service quality, as previously mentioned, if the very poor or rapid deterioration of sub-district service quality, UE, need carry out alien frequencies or different system and switch than higher alien frequencies or different system parameters attention rate this moment, and it is preferential therefore should measurement clearance to be set this moment.
Embodiment five:
In aforementioned several embodiment, all be to have considered one or several factor, thereby measurement clearance and transfer of data are carried out priority management, in the present embodiment, take all factors into consideration the coefficient of each factor in priority management, thereby more fully provide foundation for priority management.
Referring to Fig. 9, among the embodiment five to the method flow diagram of measurement clearance and transfer of data priority management, comprising:
S901: be respectively DRX cycle length, DRX timer length and measurement clearance length difference, sub-district service quality or/and the business datum time delay is provided with priority factor;
S902: the priority reference value of seizing the opportunity and presetting of each priority factor value is compared, determine the size of the priority of the priority of measurement clearance and transfer of data.
If the priority of measurement clearance greater than the priority of transfer of data, is then carried out the flow process that UE measures the adjacent cell channel quality in measurement clearance, otherwise UE carries out transfer of data with eNB under the DRX pattern.
Following labor is provided with the process of the priority factor of each DRX relevant parameter:
1, the priority factor of DRX cycle length is set to a1
DRX cycle length is less than the minimum period threshold value, during as 20ms, and a1=0, DRX cycle length is big more, and the a1 value is big more.
2, there is the priority factor of the various DRX timers that conflict to be set to a2 with measurement clearance
If there are a plurality of timers to conflict with measurement clearance simultaneously, for example non-Active Timer of DRX and DRX retransmission timer may exist simultaneously, only need to consider a timer the longest.
The difference of DRX timer length and measurement clearance length is much larger than 0 o'clock, a2=0; DRX timer length is short more, and a2 is big more; The difference of DRX timer length and measurement clearance length is smaller or equal to 0 and when conflicting with measurement clearance fully, and a2 reaches maximum.
3, the priority factor of business data packet delay requirement is set to a3
If the service delay that UE has set up requires all very low, promptly time delay can be very big, a3=0; The delay requirement that UE has set up business is high more, and a3 is big more; If UE has set up the connection of multiple business, can not determine when most probable receives the data of which kind of business, according to the highest professional of priority or the miscellaneous service weighted average is determined the value of a3.
4, the priority factor of the service quality of sub-district, UE place is set to a4
This cell channel quality is poor more, and a4 is more little, otherwise a4 is big more.
Determine measurement clearance and transfer of data priority by following formula:
X＝a1×a2×a3×a4
At last, X is compared with the priority reference value that presets, if X is less than or equal to reference value, then measurement clearance is preferential, if X greater than reference value, transfer of data is preferential.Reference value wherein can be set according to system's actual conditions.For example, reference value being set is 0 etc.
Need to prove, setting up standard of above-mentioned 1～4 couple of a1～a4 that provides only is example, it will be understood by those in the art that to adopt other mode to be provided with fully, with a1 is example, it is more little when DRX cycle is big more a1 to be set, and a2～a4 is similar, last, during with X and reference value comparison, be that measurement clearance is preferential as X during greater than reference value, otherwise transfer of data is preferential.
Except communication control method based on priority management, the present invention also provides a kind of communication control unit based on priority management, be positioned at the eNB side of the mobile communication system of the DRX pattern that has disposed measurement clearance, specifically can be meant eNB itself, also can be the functional entity that is positioned at eNB inside, can realize by software, hardware or software and hardware combining mode.
Referring to Figure 10, this device comprises parameter acquiring unit 1001, priority management unit 1002 and dispensing unit 1003, wherein:
Wherein, priority management unit 1002 specifically can be introduced respectively below by several different implementations.
In first kind of implementation of priority management unit 1002, referring to Figure 10, priority management unit 1002 further comprises:
Selection of parameter subelement 10021 is used for choosing sub-district service quality, DRX cycle length, DRX timer length and measurement clearance length from the DRX pattern relevant parameter that parameter acquiring unit 1001 is obtained;
Priority ratio is than subelement 10022, be used for when the cell channel service is good or general, DRX cycle length is greater than the DRX cycle threshold value, and DRX timer length is during less than measurement clearance length, and the priority of specified data transmission is greater than the priority of measurement clearance.
In second kind of implementation of priority management unit 1002, priority management unit 1002 comprises (not shown):
The selection of parameter subelement is used for choosing DRX cycle length from the DRX pattern relevant parameter that parameter acquiring unit 1001 is obtained;
Priority ratio is than subelement, be used for when DRX cycle length less than minimum period of presetting during threshold value, determine the priority of the priority of measurement clearance greater than transfer of data.
In the third implementation of priority management unit 1002, priority management unit 1002 comprises (not shown):
The selection of parameter subelement is used for choosing DRX timer length and measurement clearance length from the DRX pattern relevant parameter that parameter acquiring unit 1001 is obtained;
Priority ratio is than subelement, is used for determining the priority of the priority of measurement clearance greater than transfer of data when DRX timer length and measurement clearance length difference during greater than difference threshold.
In the 4th kind of implementation of priority management unit 1002, priority management unit 1002 comprises (not shown):
The selection of parameter subelement is used for choosing sub-district service quality from the DRX pattern relevant parameter that parameter acquiring unit 1001 is obtained;
Priority ratio is used for determining the priority of the priority of measurement clearance greater than transfer of data when described sub-district service quality is lower than the channel quality lowest threshold than subelement.
In the 5th kind of implementation of priority management unit 1002, priority management unit 1002 comprises (not shown):
Priority factor is provided with subelement, the DRX pattern relevant parameter that is used to parameter acquiring unit 1001 to obtain is provided with priority factor respectively, is included as DRX cycle length, DRX timer length and measurement clearance length difference, sub-district service quality or/and the business datum time delay is provided with priority factor;
Priority ratio is used for the priority reference value of seizing the opportunity and presetting of each priority factor value is compared than subelement, determines the size of the priority of the priority of measurement clearance and transfer of data.
The present invention is by introducing the priority management between measurement clearance and the transfer of data, make UE when obtaining enough alien frequencies or isosystem measurement parameter, the transfer of data in this sub-district be can carry out smoothly, always preferential data-bag lost that brings of measurement clearance and the unnecessary problems such as dispatch request process of UE initiation in the existing scheme overcome.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1. communication control method based on priority management is applied to dispose the mobile communication system of the discontinuous reception of being in of measurement clearance DRX pattern, it is characterized in that, comprising:
Obtain DRX pattern relevant parameter, and according to described DRX pattern relevant parameter, whether the priority of determining described measurement clearance is greater than the priority of described transfer of data, if, user equipment (UE) is measured the adjacent cell channel quality in measurement clearance, otherwise UE carries out transfer of data with evolved base station eNB under the DRX pattern.
2. according to the described method of claim 1, it is characterized in that whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data be:
Determine that described DRX pattern relevant parameter is sub-district service quality, DRX cycle length, DRX timer length and measurement clearance length;
, DRX cycle length good or general when sub-district service quality is greater than the DRX cycle threshold value, and DRX timer length is determined the priority of the priority of described transfer of data greater than described measurement clearance during less than measurement clearance length.
3. according to the described method of claim 1, it is characterized in that whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data be:
Determine that described DRX pattern relevant parameter is a DRX cycle length;
When DRX cycle length less than minimum period of presetting during threshold value, determine the priority of the priority of described measurement clearance greater than described transfer of data.
4. according to the described method of claim 1, it is characterized in that whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data be:
Determine that described DRX pattern relevant parameter is DRX timer length and measurement clearance length;
When DRX timer length and measurement clearance length difference during, determine the priority of the priority of described measurement clearance greater than described transfer of data greater than difference threshold.
5. according to the described method of claim 1, it is characterized in that whether the described priority of determining measurement clearance according to DRX pattern relevant parameter greater than the detailed process of the priority of transfer of data be:
Determine that described DRX pattern relevant parameter is a sub-district service quality;
When described cell channel quality is lower than the service quality lowest threshold, determine the priority of the priority of described measurement clearance greater than described transfer of data.
6. according to the described method of claim 1, it is characterized in that, determine the priority of measurement clearance and the priority size of transfer of data in the following manner:
Described DRX pattern relevant parameter comprises measurement clearance length, DRX timer length, DRX cycle length, sub-district service quality and business datum time delay;
Be respectively DRX cycle length, DRX timer length and measurement clearance length difference, sub-district service quality or/and the business datum time delay is provided with priority factor;
The product of each priority factor value and the priority reference value that presets are compared, determine the size of the priority of the priority of described measurement clearance and described transfer of data.
7. according to claim 2,4 or 6 described methods, it is characterized in that described DRX timer comprises monitors timer, the non-Active Timer of DRX, DRX retransmission timer, or/and competition solves timer.
8. communication control unit based on priority management is positioned at the evolved base station eNB side of the mobile communication system that has disposed the discontinuous reception of being in of measurement clearance DRX pattern, it is characterized in that, comprising:
Parameter acquiring unit is used to obtain DRX pattern relevant parameter;
The priority management unit is used for the DRX pattern relevant parameter that obtains according to described parameter acquiring unit, and whether the priority of determining described measurement clearance is greater than the priority of described transfer of data;
Dispensing unit, the priority that is used for determining measurement clearance when described priority management unit is during greater than the priority of transfer of data, the indication user equipment (UE) is measured the adjacent cell channel quality in measurement clearance, otherwise indication eNB carries out transfer of data with UE under the DRX pattern.
9. described according to Claim 8 device is characterized in that, described priority management unit comprises:
The selection of parameter subelement is used for choosing sub-district service quality, DRX cycle length, DRX timer length and measurement clearance length from the DRX pattern relevant parameter that described parameter acquiring unit is obtained;
Priority ratio is than subelement, be used for when the cell channel service is good or general, DRX cycle length is greater than the DRX cycle threshold value, and DRX timer length determined the priority of the priority of described transfer of data greater than described measurement clearance during less than measurement clearance length.
10. described according to Claim 8 device is characterized in that, described priority management unit comprises:
The selection of parameter subelement is used for choosing DRX cycle length from the DRX pattern relevant parameter that described parameter acquiring unit is obtained;
Priority ratio is than subelement, be used for when DRX cycle length less than minimum period of presetting during threshold value, determine the priority of the priority of described measurement clearance greater than described transfer of data.
11. described according to Claim 8 device is characterized in that, described priority management unit comprises:
The selection of parameter subelement is used for choosing DRX timer length and measurement clearance length from the DRX pattern relevant parameter that described parameter acquiring unit is obtained;
Priority ratio is than subelement, is used for determining the priority of the priority of described measurement clearance greater than described transfer of data when DRX timer length and measurement clearance length difference during greater than difference threshold.
12. described according to Claim 8 device is characterized in that, described priority management unit comprises:
The selection of parameter subelement is used for choosing sub-district service quality from the DRX pattern relevant parameter that described parameter acquiring unit is obtained;
Priority ratio is used for determining the priority of the priority of described measurement clearance greater than described transfer of data when described sub-district service quality is lower than the channel quality lowest threshold than subelement.
13. described according to Claim 8 device is characterized in that, described priority management unit comprises:
Priority factor is provided with subelement, the DRX pattern relevant parameter that is used to described parameter acquiring unit to obtain is provided with priority factor respectively, is included as DRX cycle length, DRX timer length and measurement clearance length difference, sub-district service quality or/and the business datum time delay is provided with priority factor;
Priority ratio is than subelement, is used for the product of each priority factor value is compared with the priority reference value that presets, and determines the size of the priority of the priority of described measurement clearance and described transfer of data.
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