CN103517259A - Method for reporting carrier aggregation bandwidth supporting capacity, system and device - Google Patents
Method for reporting carrier aggregation bandwidth supporting capacity, system and device Download PDFInfo
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Abstract
The invention discloses a method for reporting carrier aggregation bandwidth supporting capacity of a terminal so as to solve the problems that an information reporting method in the prior art is larger in occupied space and more in consumed processing resource. The method includes the steps that a network side receives terminal capacity information sent by the terminal; a mark of the carrier aggregation bandwidth supporting capacity of the terminal is obtained from specified bits contained in FGI bits of the terminal capacity information; according to the corresponding relation between a predetermined mark of the carrier aggregation bandwidth supporting capacity of the terminal and a carrier aggregation bandwidth set supported by the terminal, a carrier aggregation bandwidth set corresponding to the obtained mark of the carrier aggregation bandwidth supporting capacity of the terminal is determined. The invention further discloses a system, a network side device and the terminal.
Description
Technical field
The present invention relates to communication technical field, relate in particular to report method, system, network equipment and terminal that a kind of terminal is supported carrier aggregation bandwidth ability.
Background technology
At present, each carrier wave that LTE-Advanced system is supported all adopts the primary bandwidth configuration of LTE, and 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz totally 6 kinds of bandwidth are supported in this configuration.Based on these 6 kinds of bandwidth, the in the situation that of two carrier aggregation, may there is the configuration mode of 36 kinds of carrier aggregation bandwidth altogether, as shown in table 1.
Table 1:
| Carrier aggregation bandwidth (MHz) | 20+20 | 20+15 | 20+10 | ... | 15+15 | 15+10 | ... | 1.4+1.4 |
For terminal, because it is subject to software limitations, also cannot support two issuable various carrier aggregation bandwidth of carrier aggregation.May cause some problems like this: for example, the carrier aggregation bandwidth 20+20MHz configuring in local carrier network, when the carrier aggregation bandwidth configuring in the carrier network of roaming place is 20+15MHz, if terminal is only supported the carrier aggregation bandwidth of 20+20MHz, after its access roaming ground carrier network, because the carrier aggregation bandwidth that the carrier aggregation bandwidth configuring in the carrier network of roaming place is supported with terminal is not mated, terminal just can not continue to operate under multi-carrier polymerizing pattern, and can only be operated under non-carrier aggregation mode.Under this scene, terminal must be known the carrier aggregation bandwidth that terminal can be supported by the mode ，Shi roaming place carrier network network side sending a notification message to network side, thereby realizes the accurate scheduling to terminal.
In prior art, terminal is usingd terminal capability (UE Capability) message as above-mentioned notification message.Corresponding to 36 kinds of carrier aggregation bandwidth shown in table 1, in UE Capability message, available 36 bits carrying is corresponding to the sign of 36 kinds of carrier aggregation bandwidth.For any carrier aggregation bandwidth, this sign is specifically as follows to represent whether terminal supports the sign of this carrier aggregation bandwidth, as shown in table 2 below.
Table 2:
| Carrier aggregation bandwidth | The sign that represents terminal support carrier aggregation bandwidth | Expression terminal is not supported the sign of carrier aggregation bandwidth |
| 20+20 | 1 | 0 |
| 20+15 | 1 | 0 |
| 20+10 | 1 | 0 |
| ... | ... | ... |
| 1.4+1.4 | 1 | 0 |
Corresponding relation based on shown in table 2, when a terminal of supporting carrier aggregation bandwidth 20+20,20+15,20+10 sends UE Capability message to network side, it carries in above-mentioned 36 bits is designated " 1110 ... 0 ".And a terminal of supporting carrier aggregation bandwidth 20+20 is while sending UE Capability message to network side, what in its above-mentioned 36 bits, carry is designated " 1000 ... 0 ".
Adopt above-mentioned prior art, need terminal with 36 bits, to carry out the carrier aggregation bandwidth of its support of informing network side, to information bearing space, require larger.In addition, terminal, when determining the sign sending, need to be determined corresponding each sign of the carrier aggregation bandwidth of self supporting one by one according to table 2, if the carrier aggregation bandwidth that terminal is supported is more, this kind of mode can expend the more processing resource of terminal.
Summary of the invention
Report method, system, network equipment and terminal that the embodiment of the present invention provides a kind of terminal to support carrier aggregation bandwidth ability, in order to solve the more problem of processing resource that the occupied information bearing space that reports mode to exist of carrier aggregation bandwidth of prior art is large, expend.
The embodiment of the present invention is by the following technical solutions:
Terminal is supported a report method for carrier aggregation bandwidth ability, comprising: the terminal capability message that network side receiving terminal sends; From the designated bit that the characteristic set indication FGI bit of terminal capability message comprises, obtain terminal and support carrier aggregation bandwidth ability sign; According to each terminal of making an appointment, support the corresponding relation of carrier aggregation bandwidth ability sign and carrier aggregation bandwidth aggregation, determine that the described terminal of acquisition supports carrier aggregation bandwidth ability to identify corresponding carrier aggregation bandwidth aggregation.
Bandwidth is a fixed system really, comprises terminal and network equipment, and wherein, the designated bit that terminal comprises for the FGI bit of terminal being supported carrier aggregation bandwidth ability sign be carried on terminal capability message, sends to network equipment; Network equipment is used for the designated bit comprising from the FGI bit of the terminal capability message of terminal transmission, obtains terminal and supports carrier aggregation bandwidth ability sign; And according to described corresponding relation, determine that the described terminal support carrier aggregation bandwidth ability obtaining identifies corresponding carrier aggregation bandwidth aggregation.
Terminal is supported a report method for carrier aggregation bandwidth ability, comprising: in the designated bit that the FGI bit that terminal supports carrier aggregation bandwidth ability sign to be carried on terminal capability message terminal comprises; And send described terminal capability message to network side.
, comprising: receiving element, the terminal capability message sending for receiving terminal;
Sign obtains unit, and the designated bit comprising for the FGI bit of the terminal capability message that receives from receiving element, obtains terminal and support carrier aggregation bandwidth ability sign; Bandwidth determining unit, for according to each terminal support carrier aggregation bandwidth ability sign of making an appointment and the corresponding relation of carrier aggregation bandwidth aggregation, determine that the described terminal support carrier aggregation bandwidth ability that sign acquisition unit obtains identifies corresponding carrier aggregation bandwidth aggregation.
, comprising: transmitting element, the designated bit comprising for the FGI bit of terminal being supported carrier aggregation bandwidth ability sign be carried on terminal capability message, sends to network side.
The beneficial effect of the embodiment of the present invention is as follows:
In the such scheme that the embodiment of the present invention provides, owing to carrying terminal in the designated bit only comprising at FGI bit, support carrier aggregation bandwidth ability sign, thereby this terminal is supported carrier aggregation bandwidth ability, sign only takies less information bearing space; Simultaneously, above-mentioned terminal supports that carrier aggregation bandwidth ability sign can be simultaneously corresponding to a plurality of carrier aggregation bandwidth (carrier aggregation bandwidth aggregation), terminal, without determining one by one the corresponding sign of a plurality of carrier aggregation bandwidth of its support, has therefore been saved the processing resource of terminal.
Accompanying drawing explanation
The terminal that Fig. 1 provides for the embodiment of the present invention is supported the idiographic flow schematic diagram of the report method of carrier aggregation bandwidth ability;
The scheme that Fig. 2 provides for embodiment of the present invention application flow schematic diagram in practice;
The concrete structure schematic diagram of a kind of network equipment that Fig. 3 provides for the embodiment of the present invention;
The concrete structure schematic diagram of a kind of terminal that Fig. 4 provides for the embodiment of the present invention.
Embodiment
In order to solve the more problem of processing resource that the occupied information bearing space that definite mode of the carrier aggregation bandwidth of prior art exists is large, expend, the embodiment of the present invention provides a kind of terminal to support the scheme that reports of carrier aggregation bandwidth ability.This scheme is the characteristic set indication (FGI in UE Capability message by terminal, Feature Group Indicators) in the designated bit that bit comprises, carry terminal and support carrier aggregation bandwidth ability sign, thereby this terminal is supported carrier aggregation bandwidth ability, sign only takies less information bearing space; Simultaneously, above-mentioned terminal supports that carrier aggregation bandwidth ability sign can be simultaneously corresponding to a plurality of carrier aggregation bandwidth (carrier aggregation bandwidth aggregation), terminal, without determining one by one the corresponding sign of a plurality of carrier aggregation bandwidth of its support, has therefore been saved the processing resource of terminal.
Below in conjunction with accompanying drawing, the scheme that the embodiment of the present invention is provided is elaborated.
First the embodiment of the present invention provides a kind of carrier aggregation band method for determining width as shown in Figure 1, and the idiographic flow of the method comprises the following steps:
TS36.331 standard definition the FGI bit of information unit (information element) of UE Capability message.According to this definition, FGI bit is synthetic by 32 sets of bits altogether, and it is content-defined that each bit carries is for representing that terminal supports the sign of certain or some essential features.Such as, for certain essential feature, if support this essential feature by the testing authentication of UE being gone out to it, corresponding to the bit carrying of this essential feature, be designated 1; If do not support this essential feature and verify UE, this bit carrying is designated 0.
The embodiment of the present invention can adopt this FGI bit to carry terminal support carrier aggregation bandwidth ability sign for fear of existing standard being done to too large change, being considered.
In order to reduce terminal, support carrier aggregation bandwidth ability to identify shared information bearing space, the number of designated bit described here may be prescribed as conventionally: the predetermined total number that is less than the various carrier aggregation bandwidth that communication system supports.Such as, for two carrier aggregation, may there is the situation of 36 kinds of carrier aggregation bandwidth, the number of designated bit just should be less than 36.Because FGI bit only has 32, therefore, in the situation that may there is 36 kinds of carrier aggregation bandwidth, in fact can carry terminal with whole FGI bit and support carrier aggregation bandwidth ability sign.Yet, due to defined front 28 information that bit carries in FGI bit in TS36.331 standard, so in the embodiment of the present invention, preferably adopt 29th ~ 32 bits in FGI bit to carry terminal to support carrier aggregation bandwidth ability sign.Alternatively, can adopt one or two bit in 29th ~ 32 bits to carry this sign, specific implementation, by describing in a specific embodiment later, does not repeat them here.
In the embodiment of the present invention, the carrier aggregation bandwidth aggregation of the terminal support in above-mentioned corresponding relation can singly be not limited to comprise: the carrier aggregation bandwidth aggregation that the highest tenability of bandwidth of terminal is supported, and the carrier aggregation bandwidth aggregation supported of the minimum tenability of the bandwidth of terminal.
In the embodiment of the present invention, terminal supports that carrier aggregation bandwidth ability sign is corresponding with the carrier aggregation bandwidth aggregation of terminal support.Because carrier aggregation bandwidth aggregation can comprise one or more carrier aggregation bandwidth, therefore, even if terminal is supported a plurality of carrier aggregation bandwidth, those carrier aggregation bandwidth also can only be supported carrier aggregation bandwidth ability sign corresponding to a terminal, thereby only need to carry out the operation of once determining terminal support carrier aggregation bandwidth ability sign.Be different from prior art and need terminal to determine one by one the mode of corresponding each sign of carrier aggregation bandwidth of its support, in the embodiment of the present invention, adopt a terminal to support the mode of the corresponding a plurality of carrier aggregation bandwidth of carrier aggregation bandwidth ability sign can reach the object of saving terminal processes resource.
Simultaneously, transmission flow for end side, the report method that the embodiment of the present invention also provides another kind of terminal to support carrier aggregation bandwidth ability, to solve the more problem of processing resource that the occupied information bearing space that reports mode to exist of carrier aggregation bandwidth of prior art is large, expend.The method comprises: first, and in the designated bit that the FGI bit that terminal supports carrier aggregation bandwidth ability sign to be carried on terminal capability message terminal comprises; Then, to network side, send described terminal capability message.
The scheme providing with a specific embodiment detailed description embodiment of the present invention below application in practice.
In actual applications, in radio frequency standard, defined the carrier aggregation bandwidth that terminal is supported.For the carrier aggregation in Band40 frequency range, the carrier aggregation bandwidth aggregation that can define the highest tenability support of bandwidth of terminal comprises: 20+20MHz, 20+10MHz, 15+15MHz, 20+15MHz, 20+5MHz; And the carrier aggregation bandwidth aggregation of the minimum tenability support of bandwidth comprises: 20+20MHz, 20+10MHz.
The carrier aggregation bandwidth aggregation of supporting respectively for the highest tenability of bandwidth, the minimum tenability of bandwidth can be selected a bit to carry corresponding terminal and support carrier aggregation bandwidth ability sign in FGI bit.Such as, can specify the 29th bit of FGI bit to carry this sign.When terminal adopts bandwidth during high tenability, this is designated 1; Otherwise this is designated 0.
Except the dividing mode of above-mentioned carrier aggregation bandwidth aggregation, can also mark off 4 carrier aggregation bandwidth aggregations according to the carrier aggregation bandwidth that may occur in communication system, the carrier aggregation bandwidth that each set comprises is as follows:
Carrier aggregation bandwidth aggregation 1:20+20MHz, 20+10MHz, 20+15MHz, 15+15MHz, 20+5MHz;
Carrier aggregation bandwidth aggregation 2:20+20MHz, 20+10MHz;
Carrier aggregation bandwidth aggregation 3:20+20MHz, 20+10MHz, 20+5MHz;
Carrier aggregation bandwidth aggregation 4:20+20MHz, 20+15MHz.
For above-mentioned 4 carrier aggregation bandwidth aggregations, can in FGI bit, select two bits to carry corresponding terminal and support carrier aggregation bandwidth ability sign.Such as, can specify the 30th, 31 bits of FGI bit to carry this sign.Particularly, sign " 00 " can represent carrier aggregation bandwidth aggregation 1; Sign " 01 " can represent carrier aggregation bandwidth aggregation 2; Sign " 10 " can represent carrier aggregation bandwidth aggregation 3; Sign " 11 " can represent carrier aggregation bandwidth aggregation 4.In addition, also can only in FGI bit, select a bit to carry corresponding terminal and support carrier aggregation bandwidth ability sign.Such as, can specify the 32nd bit of FGI bit to carry this sign.Particularly, sign " 0 " can represent all polymerization carrier bandwidths in carrier aggregation bandwidth aggregation 1 and 2; Sign " 1 " can represent all polymerization carrier bandwidths in carrier aggregation bandwidth aggregation 3 and 4.
Based on above-mentioned setting, suppose a terminal roaming Dao Mou community of supporting bandwidth aggregation 1, so network equipment (this scene Xia Wei base station) determine this terminal carrier aggregation bandwidth flow process as shown in Figure 2, comprising:
The corresponding relation of carrier aggregation bandwidth ability sign is supported in step 25， base station according to the carrier aggregation bandwidth of making an appointment and terminal, determine the carrier aggregation bandwidth aggregation of sign 01 correspondence: 20+20MHz, 20+10MHz;
In step 26, if the carrier aggregation bandwidth of network side support is 20+20MHz, after determining the corresponding carrier aggregation bandwidth of terminal support, the dispatching method under carrier aggregation is carried out in base station---as terminal carried out to major-minor carrier wave configuration, on two 20MHz carrier waves simultaneously for terminal is carried out scheduling of resource etc.
If the carrier aggregation bandwidth of network side support is 20+15MHz, do not support after corresponding carrier aggregation bandwidth determining terminal, base station can not be dispatched terminal according to the method for carrier aggregation, can only be by terminal scheduling to some carrier waves, make it with the work of non-carrier aggregation form, thereby prevent from exceeding terminal capability, occur abnormal.For example, can, according to the service request of terminal, will on one of terminal scheduling to two carrier wave, carry out work.If traffic carrying capacity corresponding to the service request of terminal is very large, can the carrier wave work to 20MHz by terminal scheduling; Or the loading condition of two carrier waves also can supporting in conjunction with network side, reasonably dispatches terminal.
The carrier aggregation band method for determining width providing corresponding to the embodiment of the present invention, the embodiment of the present invention also provides a kind of carrier aggregation bandwidth fixed system really, in order to solve the more problem of processing resource that the occupied information bearing space that definite mode of the carrier aggregation bandwidth of prior art exists is large, expend.
This system that the embodiment of the present invention provides comprises terminal and network equipment, and its function introduction is separately as follows:
Terminal is mainly used in: in the designated bit that the FGI bit of supporting carrier aggregation bandwidth ability sign to be carried on UE Capability message terminal comprises, send to network equipment;
Network equipment is mainly used in: the designated bit that the FGI bit of the UE Capability message sending from terminal comprises, obtain terminal and support carrier aggregation bandwidth ability sign; And according to each terminal support carrier aggregation bandwidth ability sign of making an appointment and the corresponding relation of carrier aggregation bandwidth aggregation, determine that the terminal support carrier aggregation bandwidth ability obtaining identifies corresponding carrier aggregation bandwidth aggregation.
The embodiment of the present invention also provides a kind of network equipment, and its concrete structure schematic diagram as shown in Figure 3, comprises following functions unit:
Receiving element 31, the UE Capability message sending for receiving terminal;
Sign obtains unit 32, and the designated bit comprising for the FGI bit of the UE Capability message that receives from receiving element 31, obtains terminal and support carrier aggregation bandwidth ability sign;
In the embodiment of the present invention, the carrier aggregation bandwidth aggregation of the terminal support of above-mentioned corresponding relation can comprise: the carrier aggregation bandwidth aggregation that the highest tenability of bandwidth of terminal is supported, and the carrier aggregation bandwidth aggregation supported of the minimum tenability of the bandwidth of terminal.
The embodiment of the present invention is a kind of terminal also, and it mainly comprises: transmitting element, the designated bit comprising for the FGI bit of terminal being supported carrier aggregation bandwidth ability sign be carried on UE Capability message, sends to network side.
Optionally, terminal can also comprise information determining unit and sign determining unit, as shown in Figure 4.Wherein, the carrier aggregation bandwidth aggregation of information determining unit 42 for determining that terminal is supported; And the terminal that sign determining unit 43 is made an appointment for basis is supported the corresponding relation of the carrier aggregation bandwidth aggregation that carrier aggregation bandwidth ability sign and terminal are supported, determine the terminal support carrier aggregation bandwidth ability sign that the determined carrier aggregation bandwidth aggregation of information determining unit 42 is corresponding.Function based on Zhe Liangge unit, transmitting element 41 specifically can, for supporting carrier aggregation bandwidth ability sign to be carried in above-mentioned designated bit the definite terminal of sign determining unit 43, send to network side.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the network equipment in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises instruction network equipment, and this instruction network equipment is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. terminal is supported a report method for carrier aggregation bandwidth ability, it is characterized in that, comprising:
The terminal capability message that network side receiving terminal sends;
From the designated bit that the characteristic set indication FGI bit of terminal capability message comprises, obtain terminal and support carrier aggregation bandwidth ability sign;
According to the terminal of making an appointment, support the corresponding relation of the carrier aggregation bandwidth aggregation that carrier aggregation bandwidth ability sign and terminal are supported, definite described terminal obtaining supports carrier aggregation bandwidth ability to identify corresponding carrier aggregation bandwidth aggregation.
2. the method for claim 1, is characterized in that, described designated bit is one or more in the bit that comprises of FGI bit.
3. the method for claim 1, is characterized in that, the carrier aggregation bandwidth aggregation of the terminal support in described corresponding relation comprises:
The carrier aggregation bandwidth aggregation that the highest tenability of bandwidth of terminal is supported, and the carrier aggregation bandwidth aggregation supported of the minimum tenability of the bandwidth of terminal.
4. terminal is supported a report method for carrier aggregation bandwidth ability, it is characterized in that, comprising:
In the designated bit that the FGI bit that terminal supports carrier aggregation bandwidth ability sign to be carried on terminal capability message terminal comprises; And
To network side, send described terminal capability message.
5. method as claimed in claim 4, is characterized in that, described designated bit is that FGI bit comprises one or more in bit.
6. a carrier aggregation bandwidth fixed system really, comprises terminal and network equipment, it is characterized in that:
Terminal, the designated bit comprising for the FGI bit of terminal being supported carrier aggregation bandwidth ability sign be carried on terminal capability message, sends to network equipment;
Network equipment, the designated bit comprising for the FGI bit of the terminal capability message that sends from terminal, obtains terminal and supports carrier aggregation bandwidth ability sign; And support carrier aggregation bandwidth ability to identify the corresponding relation of the carrier aggregation bandwidth aggregation of supporting with terminal according to the terminal of making an appointment, determine that the described terminal support carrier aggregation bandwidth ability obtaining identifies corresponding carrier aggregation bandwidth aggregation.
7. system as claimed in claim 6, is characterized in that, described designated bit is that FGI bit comprises one or more in bit.
8. system as claimed in claim 6, is characterized in that, the carrier aggregation bandwidth aggregation of the terminal support in described corresponding relation comprises:
The carrier aggregation bandwidth aggregation that the highest tenability of bandwidth of terminal is supported, and the carrier aggregation bandwidth aggregation supported of the minimum tenability of the bandwidth of terminal.
9. a network equipment, is characterized in that, comprising:
Receiving element, the terminal capability message sending for receiving terminal;
Sign obtains unit, and the designated bit comprising for the FGI bit of the terminal capability message that receives from receiving element, obtains terminal and support carrier aggregation bandwidth ability sign;
Bandwidth determining unit, the terminal of making an appointment for basis is supported the corresponding relation of the carrier aggregation bandwidth aggregation that carrier aggregation bandwidth ability sign and terminal are supported, definite sign obtains the described terminal of unit acquisition and supports carrier aggregation bandwidth ability to identify corresponding carrier aggregation bandwidth aggregation.
10. network equipment as claimed in claim 9, is characterized in that, described designated bit is that FGI bit comprises one or more in bit.
11. network equipments as claimed in claim 9, is characterized in that, the carrier aggregation bandwidth aggregation of the terminal support in described corresponding relation comprises:
The carrier aggregation bandwidth aggregation that the highest tenability of bandwidth of terminal is supported, and the carrier aggregation bandwidth aggregation supported of the minimum tenability of the bandwidth of terminal.
12. 1 kinds of terminals, is characterized in that, comprising:
Transmitting element, the designated bit comprising for the FGI bit of terminal being supported carrier aggregation bandwidth ability sign be carried on terminal capability message, sends to network side.
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