CN101860921B - Scheduling information transmitting method and ue - Google Patents
Scheduling information transmitting method and ue Download PDFInfo
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Abstract
The present invention proposes a kind of sending method of schedule information, comprises the following steps: UE receives the configuration information that base station is the multi-carrier HSUPA that described UE distributes; Described UE calculates the UE rank schedule information carrier level schedule information corresponding with each carrier wave; Does described UE pass through MAC? PDU reports total schedule information bag to described base station, and described UE rank schedule information drawn together by described total schedule information handbag, also at least comprises the carrier level schedule information that two carrier waves are corresponding.The present invention can solve the transmission problem of schedule information in multi-carrier HSUPA, and base station can be dispatched terminal according to the schedule information of terminal on each carrier wave, respectively to obtain maximum scheduling gains.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of scheduling information transmitting method and UE.
Background technology
HSUPA (HighSpeedUplinkPacketAccess, High Speed Uplink Packet accesses) introduces N frequency characteristic in 3 gpp, and can there be multiple frequency Ji Yige community, and one of them frequency is dominant frequency point, and other frequencies are auxiliary frequency.UE (UserEquipment, subscriber equipment) is single carrier operation pattern, its working frequency points both can dominant frequency point in community also can on the auxiliary frequency of community.The introducing of N frequency improves the user capacity of system greatly, and meanwhile N frequency characteristic is also laid a good foundation for introducing multi-carrier nature in HSUPA.The introducing of multi-carrier HSUPA can promote the upstream peak speed of user, and its upstream rate can be descending close with multi-carrier HSDPA, can realize up-downgoing speed symmetrical.In addition, relative to N frequency characteristic, the UE in multi-carrier HSUPA system can use carrier wave more flexibly.
But compared to the single carrier HSUPA under N frequency, the introducing of multi-carrier nature also brings a lot of problem relevant to multicarrier.It is exactly one of them that multicarrier dispatching information is carried.In current ascending reinforcement system and the up enhancing technology of single-frequency point, schedule information reflection is the schedule information of UE at this frequency, but after multifrequency point is introduced, because the partial information content on each frequency is different, so need to consider to carry out certain expansion to the carrying mode of schedule information, by the schedule information carrying mode of extended mode, information can be reported in units of frequency to reach UE.
New transmission channel kinds and E-DCH (ascending reinforced special channel) is introduced in up enhancing technology, the data cell of this channel be MAC-e/esPDU (Protocoldataunit, Packet Data Unit) (when configure be MAC-es/e entity time) or MAC-i/isPDU (when configure be MAC-is/i entity time).In existing up enhancing technology, uplink scheduling information (SchedulingInformation can be carried in MAC-ePDU and MAC-iPDU, be called for short SI), MAC-ePDU and MAC-iPDU all has different carrying modes, simply introduces respectively below.
In time using MAC-ePDU, be illustrated in figure 1 the schematic diagram that MAC-ePDU carries schedule information SI.Wherein, on each E-DCH channel, each TTI (Transmission Time Interval) carries 1 MAC-ePDU, this MAC-ePDU can carry the data of multiple business (i.e. logic channel), namely multiple MAC-esPDU can be carried, the data of identical logic channel, the size of the MAC-dPDU that simultaneously configures (each logic channel can a corresponding MAC-d entity) is identical, then can form a MAC-esPDU, wherein DDI (DataDescriptionIndicator, data describe instruction) can the size of characterization logic channel id and each MAC-dPDU.When needs transmitting scheduling information or when having Padding enough to fill schedule information, then schedule information SI is carried at the end of MAC-ePDU.When only containing schedule information in MAC-ePDU, as shown in Figure 2.
In time using MAC-iPDU, be illustrated in figure 3 the schematic diagram that MAC-iPDU carries schedule information SI.Wherein, on each E-DCH channel, each TTI carries 1 MAC-iPDU.Each MAC-iPDU comprises 1 MAC-i head and one or more MAC-isPDU.Each MAC-isPDU comprises one or more MAC-isSDU belonging to same logical channel.Each MAC-isSDU is the MAC-dPDU of a complete or segmentation.MAC-isPDU can from multiple logic channel.When MAC-iPDU has remaining space or need to send schedule information SI time, schedule information is included in the end of MAC-iPDU.When in MAC-ePDU only containing schedule information time, similar with Fig. 2.
As shown in Figure 4, be the structural representation of schedule information SI in prior art.The cache information of this UE is comprised in schedule information, it comprises TEBS (total buffer memory of UE), HLID (the highest service priority) and HLBS (buffer memory of highest priority traffic), also comprises SNPL (the path loss ratio of this community and adjacent cell) and UPH (power headroom) in schedule information.The schedule information that base station sends according to UE is dispatched and Resourse Distribute this UE.Wherein, participate in the measurement community that SNPL calculates and comprise the identical co-frequency neighbor cell of the carrier wave that carries out the transmission of HSUPA data with UE, and in alien-frequency district comprise the auxiliary frequency community identical with this HSUPA frequency, it can thus be appreciated that SNPL value is the parameter of being separated by with frequency; And, UPH is defined as Pmax/ (Pebase*Pathloss), wherein Pmax is the maximum power that UE sends, Pathloss is the path loss that this UE measures according to broadcast channel, Pebase is the power reference value safeguarded according to each carrier case, it can thus be appreciated that Pebase belongs to carrier level parameter, namely UPH is also carrier level information.Therefore, in schedule information, not only comprise UE level schedule information (cache information), also comprise carrier level schedule information (UPH and SNPL).
But, because existing up enhancing technology only supports single carrier transmitting capacity, therefore UE can only report the carrier-grade information of a carrier wave at present, like this for the scene of multi-carrier HSUPA, the send mode of current schedule information can only react the UE level schedule information of UE and the carrier level schedule information of certain carrier wave, and the carrier level schedule information of each carrier wave can not be reacted, the inaccurate problem of scheduling according to other carrier waves of carrier level schedule information schedules of certain carrier wave, thus can only be caused in such base station.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency, particularly solves the carrier level schedule information that can only send certain carrier wave in prior art to base station, and causes the inaccurate technological deficiency of base station scheduling.
As one aspect of the present invention, the present invention proposes a kind of sending method of schedule information, comprises the following steps: UE receives the configuration information that base station is the multi-carrier high-speed uplink packet access HSUPA that described UE distributes; Described UE calculates the UE rank schedule information carrier level schedule information corresponding with each carrier wave; Described UE reports total schedule information bag by medium cut-in control grouping data unit MACPDU to described base station, and described UE rank schedule information drawn together by described total schedule information handbag, also at least comprises the carrier level schedule information that two carrier waves are corresponding.
As one embodiment of the present of invention, the carrier level schedule information that described total schedule information at least comprises two carrier waves corresponding comprises: the remaining space according to described MACPDU at least adds carrier level schedule information corresponding to two carrier waves in described total schedule information bag.
As one embodiment of the present of invention, wherein, the identification information can distinguishing each carrier wave is included in described configuration information; Described UE rank schedule information drawn together by described total schedule information handbag, the carrier level schedule information also at least comprising two carrier waves corresponding comprises: in described total schedule information bag, first add described UE rank schedule information, afterwards according to the identification information of described carrier wave put in order add described at least two carrier level schedule informations.
As one embodiment of the present of invention, described MACPDU comprises MAC-ePDU or MAC-iPDU.
As one embodiment of the present of invention, described identification information is described base station is the carrier index of each allocation of carriers or the frequency point information of each carrier wave.
The present invention also proposes a kind of UE, comprises configuration information receiver module, computing module and reporting module, described configuration information receiver module, for receiving the configuration information that base station is the multi-carrier HSUPA that described UE distributes; Described computing module, for calculating carrier level schedule information corresponding to UE rank schedule information and each carrier wave; Described reporting module, for reporting total schedule information bag by MACPDU to described base station, described UE rank schedule information drawn together by described total schedule information handbag, also at least comprises the carrier level schedule information that two carrier waves are corresponding.
As one embodiment of the present of invention, described reporting module at least adds carrier level schedule information corresponding to two carrier waves according to the remaining space of described MACPDU in described total schedule information bag.
As one embodiment of the present of invention, wherein, the identification information can distinguishing each carrier wave is included in described configuration information; First described reporting module adds described UE rank schedule information in described total schedule information bag, afterwards according to the identification information of described carrier wave put in order add described at least two carrier level schedule informations.
As one embodiment of the present of invention, described MACPDU comprises MAC-ePDU or MAC-iPDU.
As one embodiment of the present of invention, described identification information is described base station is the carrier index of each allocation of carriers or the frequency point information of each carrier wave.
The present invention can solve the transmission problem of schedule information in multi-carrier HSUPA, and base station can be dispatched terminal according to the carrier level schedule information of terminal on each carrier wave, respectively to obtain maximum scheduling gains.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the schematic diagram that MAC-ePDU carries schedule information SI;
Fig. 2 is only containing schematic diagram during schedule information in MAC-ePDU;
Fig. 3 is the schematic diagram that MAC-iPDU carries schedule information SI;
Fig. 4 is the structural representation of schedule information SI in prior art;
Fig. 5 is the flow chart of embodiment of the present invention scheduling information transmitting method;
Fig. 6 and 7 is respectively the schematic diagram using MAC-ePDU and MAC-iPDU to carry total schedule information bag;
Fig. 8 is the UE structure chart of the embodiment of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
The present invention is mainly, UE is when reporting scheduling information, UE rank schedule information is not only added in total schedule information bag, also at least to add carrier level schedule information corresponding at least two carrier waves, the number of concrete interpolation also needs to determine according to the remaining space of MACPDU, if the remaining space of MACPDU is enough large, just carrier level schedule information corresponding for all carrier waves all can be added in total schedule information bag, how to arrange in total schedule information bag as carrier level schedule information and UE rank schedule information, the present invention there is no and clearly limits, as long as base station and UE are consistent, preferably, first can add UE rank schedule information (will specifically discuss in follow-up embodiment).From foregoing description, the total schedule information bag in the present invention is identical with the scheduling information format of single carrier, includes carrier level schedule information corresponding to multiple carrier wave in total schedule information bag of the present invention.
As shown in Figure 5, be the flow chart of embodiment of the present invention scheduling information transmitting method, comprise the following steps:
Step S501, when network and UE support HSUPA, network can be the resource that this UE distributes multi-carrier HSUPA.
Step S502, the configuration information of the multi-carrier HSUPA distributed for UE is sent to UE by base station.In one embodiment of the invention, (in subsequent step, this identification information can be used to the arrangement of carrier level schedule information can to include the identification information can distinguishing each carrier wave in this configuration information, can describe in detail afterwards), particularly, relevant configuration information is first notified RNC base station controller by base station, then again this configuration information is informed to UE by RNC by RRC signaling message.Such as, this identification information can be the carrier index that base station is each allocation of carriers, and if network is that the up HSUPA of terminal configuration 3 sends carrier wave, carrier index is respectively 1,2,3, and namely first is carrier wave 1, and second is carrier wave 2, and the 3rd is carrier wave 3.Certainly in other embodiments of the invention, also newly assigned carrier index can be sent, utilize existing carrier configuration information also can realize, as long as UE and base station unification, such as UE can select the frequency point information in carrier configuration information, namely send the schedule information of carrier wave according to frequency order from small to large or from big to small, certainly also can select other parameter.
Step S503, UE calculate the UE rank schedule information carrier-grade schedule information corresponding with each carrier wave.
Step S504, UE report total schedule information bag by MACPDU to base station, and UE rank schedule information drawn together by wherein total schedule information handbag, also at least comprise the carrier level schedule information that two carrier waves are corresponding.In one embodiment of the invention, remaining space according to MACPDU at least adds carrier level schedule information corresponding to two carrier waves in total schedule information bag, if its remaining space is enough large, all carrier level schedule informations all can be sent to base station, if be not enough to whole transmission, the carrier level schedule information that cannot add just no longer sends, certainly do not get rid of at this situation only comprising a carrier level schedule information because remaining space is not enough in total schedule information bag yet, the situation only comprising UE rank schedule information because remaining space is not enough in total schedule information bag that even may occur, these situations all should be included in of the present invention comprising within scope.
Above-mentioned " remaining space " can be understood to comparatively wide in range concept in the present embodiment, if the priority ratio of such as schedule information is higher, then first UE will add schedule information when organizing MACPDU, if schedule information does not fill up MACPDU just can consider business datum.If therefore priority ratio higher and the schedule information of each carrier wave is fewer time can think that " remaining space " is enough, therefore the schedule information of whole carrier wave can be sent, if or the schedule information of each carrier wave is many, then may send the schedule information of respective numbers carrier wave according to the size of " remaining space ".Also there is another kind may be that the priority ratio of schedule information is lower, and first UE will place business datum when organizing MACPDU, then " remaining space " now shared by schedule information is relevant to the size of business datum.Therefore, " remaining space " herein makes a general reference the space size that can carry schedule information in MACPDU, all the other many factors (priority as schedule information) are correlated with, those skilled in the art can expect other relevant factors according to above-described embodiment, and these other correlative factors all should be included within the scope of the present invention.
In one embodiment of the invention, above-mentioned MACPDU comprises MAC-ePDU or MAC-iPDU.As shown in Figures 6 and 7, be respectively the schematic diagram using MAC-ePDU and MAC-iPDU to carry total schedule information bag, in figs. 6 and 7 still to think that UE distributes three up HSUPA carrier waves be example, but according to the remaining space of MAC-ePDU or MAC-iPDU, two carrier level schedule informations can only be added in total schedule information bag, and the carrier level schedule information that SI-F1 identifies carrier wave 1 can only be added, SI-F2 is designated the carrier level schedule information of carrier wave 2, cannot send the carrier level schedule information of carrier wave 3.If the remaining space of MAC-ePDU or MAC-iPDU allows certainly, these 3 carrier level schedule informations all can be added in total schedule information bag and send.In addition, as shown in the figure, carrier level schedule information is that the identification information received arranges, as long as base station and UE unification certainly, and in other examples, also can arrange according to the size of frequency, certainly also can select other parameters.Preferably, as shown in Figures 6 and 7, schedule information bag SI=SI-UE+SI-F1+SI-F2 total in the present invention, namely first add UE level schedule information (SI-UE), add the carrier level schedule information (SI-F1) of carrier wave 1 and the carrier level schedule information (SI-F2) of carrier wave 2 successively according to order more afterwards.Certainly in other examples, also can adopt other mode, it puts in order can combination in any, such as SI=SI-F1+SI-UE+SI-F2 etc., if same base station and UE unified.
Step S505, base station receives the MACPDU (as MAC-ePDU or MAC-iPDU) that UE sends, the carrier level schedule information of the multiple carrier waves comprised in total schedule information bag and UE level schedule information are parsed, the number of certain carrier dispatching information wherein can depend on the remaining space of MAC-PDU, therefore may not include whole carrier dispatching information.Particularly, the carrier level schedule information that UE report can be read according to the arrangement of identification information in base station.Such as refer again to Fig. 6, base station obtains UE level schedule information respectively, and the carrier level schedule information of the carrier wave 1 of SI-F1 mark, the carrier level schedule information of the carrier wave 2 of SI-F2 mark.
As shown in Figure 8, be the UE embodiment of the embodiment of the present invention, this UE100 comprises configuration information receiver module 110, computing module 120 and reporting module 130.Configuration information receiver module 110 is for receiving the configuration information that base station is the multi-carrier HSUPA that UE100 distributes.Computing module 120 is for calculating carrier level schedule information corresponding to UE rank schedule information and each carrier wave.Reporting module 130 is for reporting total schedule information bag by MACPDU to base station, and UE rank schedule information drawn together by wherein total schedule information handbag, also at least comprises the carrier level schedule information that two carrier waves are corresponding.Wherein, MACPDU can comprise MAC-ePDU or MAC-iPDU.
As one embodiment of the present of invention, reporting module 130 at least adds carrier level schedule information corresponding to two carrier waves according to the remaining space of MACPDU in described total schedule information bag.
As one embodiment of the present of invention, wherein include the identification information can distinguishing each carrier wave in configuration information, first reporting module 130 adds described UE rank schedule information in total schedule information bag, afterwards according to the identification information of described carrier wave put in order add described at least two carrier level schedule informations.Wherein, identification information is that base station can be the carrier index of each allocation of carriers or the frequency point information etc. of each carrier wave.
The present invention can solve the transmission problem of schedule information in multi-carrier HSUPA, and base station can be dispatched terminal according to the schedule information of terminal on each carrier wave, respectively to obtain maximum scheduling gains.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (4)
1. a sending method for schedule information, is characterized in that, comprises the following steps:
UE receives the configuration information that base station is the multi-carrier high-speed uplink packet access HSUPA that described UE distributes;
Described UE calculates the UE rank schedule information carrier level schedule information corresponding with each carrier wave;
Described UE reports total schedule information bag by medium cut-in control grouping data unit MACPDU to described base station, described UE rank schedule information drawn together by described total schedule information handbag, also at least comprise the carrier level schedule information that two carrier waves are corresponding, wherein, described UE determines the mode of adding described total schedule information bag to described MACPDU according to the priority of schedule information, and the quantity of the carrier level schedule information corresponding with carrier wave of adding in described total schedule information bag is determined according to the described mode of total schedule information bag of determined interpolation and the remaining space of described MACPDU,
Wherein, the identification information can distinguishing each carrier wave is included in described configuration information;
Described UE rank schedule information drawn together by described total schedule information handbag, and the carrier level schedule information also at least comprising two carrier waves corresponding comprises:
In described total schedule information bag, first add described UE rank schedule information, afterwards according to the identification information of described carrier wave put in order add described at least two carrier level schedule informations;
Described identification information is described base station is the carrier index of each allocation of carriers or the frequency point information of each carrier wave; Or,
When the priority height of described schedule information, the mode of the described total schedule information bag of determined interpolation is: first add described total schedule information bag, if the remaining space that described total schedule information bag does not fill up described MACPDU just considers business datum to described MACPDU.
2. the sending method of schedule information as claimed in claim 1, it is characterized in that, described MACPDU comprises MAC-ePDU or MAC-iPDU.
3. a UE, is characterized in that, comprises configuration information receiver module, computing module and reporting module,
Described configuration information receiver module, for receiving the configuration information that base station is the multi-carrier HSUPA that described UE distributes;
Described computing module, for calculating carrier level schedule information corresponding to UE rank schedule information and each carrier wave;
Described reporting module, for reporting total schedule information bag by MACPDU to described base station, described UE rank schedule information drawn together by described total schedule information handbag, also at least comprise the carrier level schedule information that two carrier waves are corresponding, wherein determine the mode of adding described total schedule information bag to described MACPDU according to the priority of schedule information, and determine the quantity of the carrier level schedule information corresponding with carrier wave of adding in described total schedule information bag according to the described mode of total schedule information bag of determined interpolation and the remaining space of described MACPDU;
Wherein, the identification information can distinguishing each carrier wave is included in described configuration information; First described reporting module adds described UE rank schedule information in described total schedule information bag, afterwards according to the identification information of described carrier wave put in order add described at least two carrier level schedule informations;
Described identification information is described base station is the carrier index of each allocation of carriers or the frequency point information of each carrier wave; Or,
Described reporting module is when the priority height of described schedule information, the mode that the described total schedule information of determined interpolation comprises is: first add described total schedule information bag, if the remaining space that described total schedule information bag does not fill up described MACPDU just considers business datum to described MACPDU.
4. UE as claimed in claim 3, it is characterized in that, described MACPDU comprises MAC-ePDU or MAC-iPDU.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340711A (en) * | 2007-07-06 | 2009-01-07 | 中兴通讯股份有限公司 | Scheduling information uploading method for multi-carrier reinforced uplink access system |
| CN101340712A (en) * | 2007-07-06 | 2009-01-07 | 中兴通讯股份有限公司 | Scheduling information uploading method for multi-carrier reinforced uplink access system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340711A (en) * | 2007-07-06 | 2009-01-07 | 中兴通讯股份有限公司 | Scheduling information uploading method for multi-carrier reinforced uplink access system |
| CN101340712A (en) * | 2007-07-06 | 2009-01-07 | 中兴通讯股份有限公司 | Scheduling information uploading method for multi-carrier reinforced uplink access system |
Non-Patent Citations (1)
| Title |
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| 3GPP.Enhanced uplink;overall description;Stage 2.《3GPP TS 25.319 v8.5.0》.2009,第43页子章节9.1，第47页子章节9.2.1.2，第48页子章节9.3.1.1，第49页第1-24行. * |
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