CN102263720A - Method for transmitting messages, base station, terminal and multi-communication-mode system - Google Patents
Method for transmitting messages, base station, terminal and multi-communication-mode system Download PDFInfo
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Abstract
The invention discloses a method for transmitting messages, a base station, a terminal and a multi-communication-mode system. The method comprises the following steps: generating superframe configuration information and subframe configuration information in accordance with coexisting configuration of the multi-communication-mode system, wherein the coexisting configuration is the configuration for supporting the multi-communication-mode system to coexist with a frame structure; configuring parts of or all unit frames of superfames of wireless frames in the multi-communication-mode system in accordance with the superframe configuration information, wherein the superframe configuration information is used for indicating the configuration attributes of the unit frames; configuring subframes in the unit frames in accordance with the subframe configuration information, wherein the subframe configuration information is used for indicating the distribution attributes of the subframes; and using the wireless frames to send messages. According to the invention, the problem that message transmitting interference is resulted from nonuniform frame structures when multiple communication systems coexist is solved, and the resource utilization rate is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method, base station, terminal and multi-communication standard system of message transfer.
Background technology
OFDM (Orthogonal Frequency Division Multiplexing, OFDM) as a kind of multi-carrier transmission pattern, be converted to the low-speed parallel data flow transmitted by data flow, system is reduced greatly to the susceptibility of multidiameter fading channel frequency selectivity high-speed transfer.
Micro-wave access global inter communication (Worldwide Interoperability for MicrowaveAccess abbreviates WiMAX as) and Long Term Evolution LTE (Long Term Evolution abbreviates WiMAX as) are two spotlights of mechanics of communication in recent years.Based on OFDMA (Orthogonal Frequency Division Multiple Access, orthogonal frequency division multiplexing multiple access) WiMAX system just is to use the system of OFDM technology, on the angle of frequency domain, different users realizes the purpose that multiple access inserts by the orthogonal sub-carriers resource that takies some.
Towards senior international wireless communication system (International MobileTelecommunication Advance, abbreviate IMT-AdV as) the 4G technology compare with 3G, advantage is embodied in: high data rate, grouping transmit, postpone to reduce, wide area covers and backward compatible.At present, the candidate technologies of IMT-ADV mainly comprises LTE+ and IEEE802.16m.LTE is the evolution of 3-G (Generation Three mobile communication system) (3th Generation abbreviates 3G as).At present, the TGm task groups of IEEE802.16 working group is being devoted to formulate the improved air interface specification 802.16m of mobile WiMAX system, and this standard can be supported higher peak rate, higher spectrum efficiency and sector capacity.
Time division duplex long evolving system (LTE-Time Division Duplex, abbreviate LTE-TDD as) in frame structure adopt the superframe structure in 10ms cycle, this superframe structure has multiple frame configuration mode, comprise the multiple frame configuration mode in 5ms transfer point cycle and 10ms transfer point cycle, and introduced the special subframe that not only comprises descending OFDM symbol but also comprise upgoing O FDM symbol.And in the WiMAX system based on IEEE 802.16e and IEEE802.16m, all frame configuration modes all are transfer point cycles of 5ms.
Because in the future broadband wireless communication systems of IMT-ADV, the frame in the superframe exists the different frame transfer point cycles to be provided with, cause frame structure design existing in the message communication system can not satisfy the coexistence requirement of LTE and the following evolution of WiMAX.
Summary of the invention
Main purpose of the present invention is to provide a kind of method, base station and multi-communication standard system of message transfer, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of method of message transfer.
Method according to message transfer of the present invention comprises: the coexistence configuration according to the multi-communication standard system generates superframe configuration information and subframe configuration information, and wherein, coexistence configuration is the configuration of the frame structure of support multi-communication standard coexistence of systems; According to the part or all of unit frame of the superframe of radio frames in the superframe configuration information configuration multi-communication standard system, wherein, the superframe configuration information is used to indicate the configuration attribute of unit frame; According to subframe in the subframe configuration information allocation unit frame, wherein subframe configuration information is used to indicate the properties of distributions of subframe; Adopt radio frames to send message.
Further, the type of subframe comprise following one of at least: descending sub frame, sub-frame of uplink, special subframe, wherein, special subframe is meant that subframe comprises descending orthogonal frequency division multiplex OFDM symbol and upgoing O FDM symbol simultaneously.
Further, the part or all of unit frame according to the superframe of radio frames in the superframe configuration information configuration multi-communication standard system comprises: adopt identical or different sub-frame configuration according to superframe configuration information configuration section or whole unit frame.
Further, comprise according to subframe in the subframe configuration information allocation unit frame: according to subframe in the subframe configuration information allocation unit frame is one of following form: subframe all by descending sub frame form, subframe all by sub-frame of uplink form, subframe all by special subframe form, subframe by descending sub frame and sub-frame of uplink form, subframe by descending sub frame and special subframe form, subframe is made up of sub-frame of uplink and special subframe.
Further, subframe lengths is identical.
Further, subframe is made up of a plurality of basic symbols unit and/or idle time slot.
Further, subframe comprises 12 OFDM symbols and idle time slot, and wherein, the cyclic prefix CP of subframe is 2.5us, and subcarrier spacing is 12.5k; Subframe comprises 11 OFDM symbols and idle time slot, and wherein, the cyclic prefix CP of subframe is 9.375us, and subcarrier spacing is 12.5k; Subframe comprises 10 OFDM symbols and idle time slot, and wherein, the cyclic prefix CP of subframe is 16.875us, and subcarrier spacing is 12.5k.
Further, superframe length is 20ms, and unit frame length is 5ms; Superframe length is 20ms, and unit frame length is 10ms.
Further, after the coexistence configuration according to the multi-communication standard system generates superframe configuration information and subframe configuration information, also comprise: terminal receives the superframe configuration information from the base station; According to the superframe configuration information, judge whether to obtain subframe configuration information.
Further, said method also comprises: if judged result is non-full sub-frame of uplink or non-full downlink sub-frame for the superframe configuration information for the configuration mode of subframe in the unit frame of indication superframe, terminal is obtained subframe configuration information.
To achieve these goals, according to a further aspect in the invention, provide a kind of base station.
Base station according to the present invention comprises: generation module, be used for generating superframe configuration information and subframe configuration information according to the coexistence configuration of multi-communication standard system, and wherein, coexistence configuration is the configuration of the frame structure of support multi-communication standard coexistence of systems; First configuration module is used for the part or all of unit frame according to the superframe of superframe configuration information configuration multi-communication standard system radio frames, and wherein, the superframe configuration information is used to indicate the configuration attribute of unit frame; Second configuration module is used for according to subframe configuration information allocation unit frame subframe, and wherein subframe configuration information is used to indicate the properties of distributions of subframe; Sending module is used to adopt radio frames to send message.
To achieve these goals, in accordance with a further aspect of the present invention, provide a kind of terminal.
Terminal according to the present invention comprises: receiver module receives the superframe configuration information from the base station; Judge module is used for judging whether to obtain subframe configuration information according to the superframe configuration information; Acquisition module, being used for judged result is non-full sub-frame of uplink or non-full downlink sub-frame for the superframe configuration information for the configuration mode of unit frame subframe of indication superframe, then obtains subframe configuration information.
To achieve these goals, according to another aspect of the invention, provide a kind of multi-communication standard system.
Comprise according to multi-communication standard of the present invention system: above-mentioned base station and above-mentioned terminal.
By the present invention, adopt coexistence configuration to generate superframe configuration information and subframe configuration information according to the multi-communication standard system, wherein, coexistence configuration is the configuration of the frame structure of support multi-communication standard coexistence of systems; According to the part or all of unit frame of the superframe of radio frames in the superframe configuration information configuration multi-communication standard system, wherein, the superframe configuration information is used to indicate the configuration attribute of unit frame; According to subframe in the subframe configuration information allocation unit frame, wherein subframe configuration information is used to indicate the properties of distributions of subframe; Adopt radio frames to send message, because the problem that the transmission of messages that the frame structure disunity has caused is disturbed, and then enlarged the scene of many coexistence of communication systems in the wide-band mobile communication system of future generation when having solved many coexistence of communication systems, improved resource utilization.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for the message transfer of the embodiment of the invention;
Fig. 2 is the frame structure schematic diagram one of the embodiment of the invention;
Fig. 3 is the frame structure schematic diagram two of the embodiment of the invention;
Fig. 4 is the frame structure schematic diagram three of the embodiment of the invention;
Fig. 5 is the subframe structure schematic diagram one of the embodiment of the invention;
Fig. 6 is the subframe structure schematic diagram two of the embodiment of the invention;
Fig. 7 is the subframe structure schematic diagram three of the embodiment of the invention;
Fig. 8 is the subframe structure schematic diagram four of the embodiment of the invention;
Fig. 9 is the superframe configuration structure schematic diagram one of the embodiment of the invention;
Figure 10 is the superframe configuration structure schematic diagram two of the embodiment of the invention;
Figure 11 is the superframe configuration structure schematic diagram three of the embodiment of the invention;
Figure 12 is the structured flowchart according to the base station of the embodiment of the invention;
Figure 13 is the structured flowchart according to the terminal of the embodiment of the invention;
Figure 14 is the structured flowchart according to the multi-communication standard system of the embodiment of the invention; And
Figure 15 is frame structure configuration flow figure according to the preferred embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Embodiment one
Present embodiment provides a kind of method of message transfer.
Fig. 1 is the flow chart according to the method for the message transfer of the embodiment of the invention, and as shown in Figure 1, this method comprises that following step S20 is to step S80:
Step S20, according to the coexistence configuration generation superframe configuration information and the subframe configuration information of multi-communication standard system, wherein, coexistence configuration is the configuration of the frame structure of the described multi-communication standard coexistence of systems of support;
Step S40, according to the part or all of unit frame of the superframe of radio frames in the superframe configuration information configuration multi-communication standard system, wherein, the superframe configuration information is used to indicate the configuration attribute of unit frame;
Step S60, according to subframe in the subframe configuration information allocation unit frame, wherein subframe configuration information is used to indicate the properties of distributions of subframe;
Step S80 adopts radio frames to send message.
In the correlation technique, the multi-communication standard system adopts the different different frame structures of transfer point, because frame structure disunity, cause the multi-communication standard system incompatible, when transmitting message, there is the problem of disturbing, present embodiment generates superframe configuration information and subframe configuration information by the coexistence configuration according to the multi-communication standard system, and according to above-mentioned two kinds of information difference allocation unit frame and subframe, the interference problem of solution during towards many coexistence of communication systems of IMT-ADV, and can dispose according to real network, selection is applicable to the frame configuration design of coexistence scene, adapting to the scene of multisystem coexistence configuration in the wide-band mobile communication system of future generation, thereby satisfies the requirement of IMT-Advanced to systematic function, make the different frame structure between the multi-communication standard system be able to compatibility, improved resource utilization.
Preferably, the type of subframe comprise following one of at least: descending sub frame, sub-frame of uplink, special subframe, wherein, special subframe is meant that subframe comprises descending orthogonal frequency division multiplex OFDM symbol and upgoing O FDM symbol simultaneously.By the preferred embodiment, realize according to system requirements configure subframe type, the flexibility that has improved sub-frame configuration.
Preferably, the part or all of unit frame according to the superframe of radio frames in the superframe configuration information configuration multi-communication standard system comprises: adopt identical or different sub-frame configuration according to superframe configuration information configuration section or whole unit frame.By this preferred embodiment, can improve the unit frame configuration flexibility according to the structure of different system demand allocation unit frame.
Preferably, comprise according to subframe in the subframe configuration information allocation unit frame: according to subframe in the subframe configuration information allocation unit frame is one of following form: subframe all by descending sub frame form, subframe all by sub-frame of uplink form, subframe all by special subframe form, subframe by descending sub frame and sub-frame of uplink form, subframe by descending sub frame and special subframe form, subframe is made up of sub-frame of uplink and special subframe.By this preferred embodiment, can realize that according to the different communication systems demand, the flexible configuration subframe structure has improved resource utilization.
Preferably, subframe lengths is identical.By the preferred embodiment, subframe all is configured to isometric, improved sub-frame configuration efficient.
Preferably, subframe is made up of a plurality of basic symbols unit and/or idle time slot.By the preferred embodiment, realized according to system configuration, dispose the composition of subframe neatly.
Preferably, be under the condition of 12.5k at subcarrier spacing, when the cyclic prefix CP of subframe was 2.5us, subframe comprised 12 OFDM symbols and idle time slot; When the cyclic prefix CP of subframe was 9.375us, subframe comprised 11 OFDM symbols and idle time slot; When the cyclic prefix CP of subframe was 16.875us, subframe comprised 10 OFDM symbols and idle time slot.By the preferred embodiment, realized disposing the quantity of OFDM in the subframe neatly according to different CP length.
Particularly, based on the subcarrier spacing (Δ f) of 12.5k, at different application scenarioss, three kinds of different CP length are set: short CP length is 2.5us, and standard C P length is 9.375us, and long CP length is 16.875us.Under the subcarrier spacing of 12.5k, useful OFDM symbol lengths is 1/ Δ f=1/12.5k=80us.Under the situation of short CP configuration, the OFDM symbol lengths is 82.5us, and under the situation of standard C P configuration, the OFDM symbol lengths is 89.375us, and under the situation of long CP configuration, the OFDM symbol lengths is 96.875us.Then at different CP configurations, the 1ms subframe comprises 12 respectively, 11 or 10 OFDM symbols and corresponding idle time slot.
Preferably, superframe length is 20ms, and unit frame length is 5ms; Superframe length is 20ms, and unit frame length is 10ms.By the preferred embodiment, realized the compatibility of LTE system and WiMAX system frame structure.
Preferably, after the coexistence configuration according to the multi-communication standard system generated superframe configuration information and subframe configuration information, said method also comprised: terminal receives the superframe configuration information from the base station; According to the superframe configuration information, judge whether to obtain subframe configuration information.By the preferred embodiment, terminal receives the superframe configuration information, and according to the superframe configuration information, judges whether to obtain subframe configuration information, has realized distributing rationally of resource.
Preferably, if judged result is non-full sub-frame of uplink or non-full downlink sub-frame for the superframe configuration information for the configuration mode of subframe in the unit frame of indication superframe, terminal is obtained subframe configuration information.The preferred embodiment has realized that terminal to the obtaining of subframe configuration information, has improved resource utilization.
In order to help to understand the foregoing description, further describe other a plurality of preferred embodiments of the present invention below.
Preferred embodiment one
Frame structure in this preferred embodiment is formed superframe by a plurality of unit frame, wherein, the configuration of constituent parts frame can be identical or different in the superframe, the constituent parts frame is made up of a plurality of descending sub frames and/or a plurality of sub-frame of uplink, and descending sub frame or sub-frame of uplink are made up of a plurality of OFDM symbols or a plurality of OFDM symbol and idle time slot are formed.
Fig. 2 is the frame structure schematic diagram one of the embodiment of the invention.Superframe is made up of L unit frame, and unit frame is made up of N subframe unit, and subframe unit can be divided into descending sub frame unit and/or sub-frame of uplink unit, can be configured according to system.Subframe unit is made of M OFDM symbol.
Fig. 3 is the frame structure schematic diagram two of the embodiment of the invention, and the superframe of 20ms is made up of 4 5ms unit frame, and the constituent parts frame is made up of the subframe unit of 5 1ms.According to different CP configurations, subframe unit is made up of the OFDM symbol of different numbers.
Fig. 4 is the frame structure schematic diagram three of the embodiment of the invention, and the superframe 101 of 20ms is made up of 2 10ms unit frame 105, and constituent parts frame 105 is made up of the subframe unit 103 of 10 1ms.According to different CP configurations, subframe unit 103 is made up of the OFDM symbol of different numbers.
Preferred embodiment two
Fig. 5 is the subframe structure schematic diagram one of the embodiment of the invention, and this subframe unit (subframe) is made up of N unit symbol (symbol) and idle time slot.
Fig. 6 is the subframe structure schematic diagram two of the embodiment of the invention, and showing when weak point CP length is the subframe unit design of 2.5us.Under the subcarrier spacing of 12.5k, useful OFDM symbol lengths is 1/ Δ f=1/12.5k=80us.Wherein, under the situation of short CP configuration, the OFDM symbol lengths is 82.5us.
Fig. 7 is the subframe structure schematic diagram three of the embodiment of the invention, and showing standard C P length is the subframe unit design of 9.375us.This subframe unit comprises 12 the OFDM symbol and the long idle time slots of 10us that adopt 2.5us CP length.
Fig. 8 is the subframe structure schematic diagram four of the embodiment of the invention, the subframe unit design that to show long CP length be 16.875us.This subframe unit comprises this subframe unit and comprises 10 OFDM symbol and long idle time slots of 31.25us that adopt 16.875us CP length.
Fig. 6～Fig. 8 has provided the subframe that is provided with at three kinds of CP length respectively and has formed.
Preferred embodiment three
Fig. 9 is the superframe configuration structure schematic diagram one of the embodiment of the invention.The 20ms superframe is made up of 4 5ms unit frame, wherein, characterizes the configuration feature of constituent parts frame in the superframe by superframe frame configuration information, and superframe frame configuration information characterizes the configuration attribute of 4 unit frame, and is as shown in table 1.In the table 1, the subframe in X and the Y representation unit frame adopts the sub-frame configuration in the table 2, and the subframe in the D representation unit frame is descending sub frame entirely, and the subframe of U representation unit frame is sub-frame of uplink entirely.The 5ms unit frame is made up of 5 1ms descending sub frames and/or sub-frame of uplink in the superframe.Subframe in the above-mentioned unit frame can all be made up of descending sub frame or all form jointly or be made up of jointly descending sub frame, sub-frame of uplink and special subframe by sub-frame of uplink or by descending sub frame, sub-frame of uplink.As shown in Figure 9, the sub-frame configuration in the superframe in the different unit frame can be identical or different, comprises 3 descending sub frames and 2 sub-frame of uplink as unit frame 1; Unit frame 3 then all is made up of descending sub frame.For the unit frame that comprises descending sub frame and sub-frame of uplink simultaneously, characterize the descending sub frame of each subframe in the unit frame and the distributed intelligence of sub-frame of uplink by subframe configuration information, as shown in table 2, D, U and S represent descending, up and special subframe respectively in the table 2.
Table 1 superframe frame configuration information
Table 2 subframe configuration information
Preferred embodiment four
Figure 10 is the superframe configuration structure schematic diagram two of the embodiment of the invention, the 20ms superframe is made up of 2 10ms unit frame, wherein, characterizes the configuration feature of constituent parts frame in the superframe by superframe frame configuration information, superframe frame configuration information characterizes the configuration attribute of 2 unit frame, and is as shown in table 3.In the table 3, the subframe in X ' and Y ' the representation unit frame adopts the sub-frame configuration in the table 4, and the subframe in the D representation unit frame is descending sub frame entirely, and the subframe of U representation unit frame is sub-frame of uplink entirely.The 10ms unit frame is made up of 10 1ms descending sub frames and/or sub-frame of uplink in the superframe.Subframe in the unit frame can all be made up of descending sub frame or all form jointly by sub-frame of uplink or by descending sub frame and sub-frame of uplink.Sub-frame configuration in the superframe in the different unit frame can identical or different unit frame 1 adopt identical sub-frame configuration with unit frame 2.Adopt identical configuration among Figure 10.
Figure 11 is the superframe configuration structure schematic diagram three of the embodiment of the invention, as shown in figure 11, unit frame 1 adopts different sub-frame configuration with unit frame 2, comprises 7 descending sub frames and 3 sub-frame of uplink such as unit frame 1, and unit frame 2 then comprises 8 descending sub frames and 2 sub-frame of uplink are formed.For the unit frame that comprises descending sub frame and sub-frame of uplink simultaneously, characterize the descending sub frame of each subframe in the unit frame and the distributed intelligence of sub-frame of uplink by subframe configuration information, as shown in table 4, D, U and S represent descending, up and special subframe respectively in the table 4.
Table 3 superframe frame configuration information
Table 4 subframe configuration information
Need to prove, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
The embodiment of the invention also provides a kind of base station, Figure 12 is the structured flowchart according to the base station of the embodiment of the invention, this base station comprises: generation module 20, first configuration module 40, second configuration module 60, sending module 80 are described in detail said structure below:
Generation module 20 is used for generating superframe configuration information and subframe configuration information according to the coexistence configuration of multi-communication standard system, and wherein, described coexistence configuration is the configuration of the frame structure of the described multi-communication standard coexistence of systems of support;
In the correlation technique, the multi-communication standard system adopts the different different frame structures of transfer point, because frame structure disunity, cause the multi-communication standard system incompatible, when transmitting message, there is the problem of disturbing, present embodiment is by coexistence configuration generation superframe configuration information and the subframe configuration information of generation module 20 according to the multi-communication standard system, first configuration module 40 and second configuration module 60 are respectively according to above-mentioned two kinds of information difference allocation unit frame and subframe, the interference problem of solution during towards many coexistence of communication systems of IMT-ADV, and can dispose according to real network, selection is applicable to the frame configuration design of coexistence scene, to adapt to the scene of multisystem coexistence configuration in the wide-band mobile communication system of future generation, thereby satisfy the requirement of IMT-Advanced to systematic function, make the different frame structure between the multi-communication standard system be able to compatibility, improved resource utilization.
Figure 13 is the structured flowchart according to the terminal of the embodiment of the invention, and this terminal comprises: receiver module 132, judge module 134 and acquisition module 136 are described in detail said structure below:
Receiver module 132 receives the superframe configuration information from the base station; Judge module 134 is connected to receiver module 132, is used for the superframe configuration information that receives according to receiver module 132, judges whether to obtain subframe configuration information; Acquisition module 136 is connected to judge module 134, and the judged result that is used for judge module 134 is non-full sub-frame of uplink or non-full downlink sub-frame for the superframe configuration information for the configuration mode of the unit frame subframe of indication superframe, then obtains subframe configuration information.
The preferred embodiment has realized that terminal to the obtaining of superframe configuration information and subframe configuration information, makes that the different frame structure between the multi-communication standard system is able to compatibility, has improved resource utilization.
Figure 14 is the structured flowchart according to the multi-communication standard system of the embodiment of the invention, and base station 2 and terminal 4 are drawn together by this system 0.
The structure of base station 2 is identical with the architecture of base station that Figure 12 describes, and the structure of terminal 4 is identical with the terminal structure that Figure 13 describes, and does not repeat them here.
Preferred embodiment five
The present invention also provides a preferred embodiment, combines the technical scheme of above-mentioned a plurality of preferred embodiments, and Figure 15 is frame structure configuration flow figure according to the preferred embodiment of the invention, describes in detail below in conjunction with Figure 15.
Step S1501 disposes superframe of this base station system and the concrete sub-frame configuration in the unit frame according to the coexistence demand between different communication systems.
Preferably, the sub-frame configuration in the different unit frame can be identical or different in the superframe.Described superframe is made up of N unit frame, wherein, characterizes the configuration feature of constituent parts frame in the superframe by superframe frame configuration information.Superframe frame configuration information characterizes the configuration attribute of N unit frame.Different unit frame are made up of a plurality of descending sub frames and/or sub-frame of uplink in the described superframe, the subframe lengths of the 1ms that the subframe definition in the frame structure is identical.According to different application scenarioss, select three kinds of different CP length are set, be respectively short CP, standard C P and long CP.At different CP length, determine the composition structure of concrete subframe.
For example: based on the subcarrier spacing (Δ f) of 12.5k, at different application scenarioss, three kinds of different CP length are set: short CP length is 2.5us, and standard C P length is 9.375us, and long CP length is 16.875us.Under the situation of short CP configuration, the OFDM symbol lengths is 82.5us, and under the situation of standard C P configuration, the OFDM symbol lengths is 89.375us, and under the situation of long CP configuration, the OFDM symbol lengths is 96.875us.Then at different CP configurations, the 1ms subframe comprises 12 respectively, 11 or 10 OFDM symbols and corresponding idle time slot.
Step S1502, the base station is according to superframe frame configuring condition, transmit frame configuration information and/or subframe configuration information.Specifically can be by sending superframe frame configuration sequence number and notify terminal.Unit frame for superframe frame configuration sequence number correspondence is the situation of X or Y, and base station system needs further to send successively the subframe configuration information of corresponding unit frame, specifically can be by sending the sub-frame configuration sequence number.
Step S1503, terminal is obtained superframe frame configuration information.Terminal determines whether further to obtain the subframe configuration information of corresponding unit frame according to superframe frame configuration information.
Preferably, indicate the configuration of non-full sub-frame of uplink of subframe in the corresponding unit frame or full downlink sub-frame for superframe frame configuration information, then terminal is obtained the frame structure configuration information according to the subframe configuration information of corresponding unit frame.
Need to prove that the present invention also can be applicable in the mobile WiMAX system based on IEEE802.16m, the 20ms superframe is made up of 4 5ms unit frame.4 unit frame in the superframe adopt identical or different sub-frame configuration.All unit frame all adopt same sub configuration A in superframe, and as the configuration of the superframe in the table 5 sequence number 0, system's transfer point cycle is 5ms.4 unit frame in the superframe adopt different sub-frame configuration, unit frame 1 in the superframe adopts identical sub-frame configuration A with unit frame 3, unit frame 2 in the superframe and unit frame 4 adopt the identical or different sub-frame configuration B with frame configuration A, shown in the configuration of the superframe in the table 5 sequence number 2.It is 10ms that unit frame 2 and unit frame 4 adopts system's transfer point cycle of the sub-frame configuration different with unit frame 1 and unit frame 3.
The configuration of table 5 superframe
Need to prove that the multi-communication standard system of describing among the device embodiment is corresponding to above-mentioned method embodiment, its concrete implementation procedure had been carried out detailed description in method embodiment, do not repeat them here.
By the present invention, the method of the application of the invention, by adopting the configurable sub-frame configuration of unit frame in the superframe, interference problem in the time of can solving the many coexistence of communication systems towards IMT-ADV, can dispose according to real network, selection is applicable to the frame configuration design of coexistence scene, adapting to the scene of multisystem coexistence configuration in the wide-band mobile communication system of future generation, thereby satisfies the requirement of IMT-Advanced to systematic function.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the method for a message transfer is characterized in that, comprising:
Coexistence configuration according to the multi-communication standard system generates superframe configuration information and subframe configuration information, and wherein, described coexistence configuration is the configuration of the frame structure of the described multi-communication standard coexistence of systems of support;
According to the part or all of unit frame of the superframe of radio frames in the described superframe configuration information configuration multi-communication standard system, wherein, described superframe configuration information is used to indicate the configuration attribute of described unit frame;
Dispose subframe in the described unit frame according to described subframe configuration information, wherein said subframe configuration information is used to indicate the properties of distributions of described subframe;
Adopt described radio frames to send message.
2. method according to claim 1 is characterized in that, the type of described subframe comprise following one of at least:
Descending sub frame, sub-frame of uplink, special subframe, wherein, described special subframe is meant that described subframe comprises descending orthogonal frequency division multiplex OFDM symbol and upgoing O FDM symbol simultaneously.
3. method according to claim 1 is characterized in that, the part or all of unit frame that disposes the superframe of radio frames in the multi-communication standard system according to described superframe configuration information comprises:
Adopt identical or different sub-frame configuration according to described superframe configuration information configuration section or whole described unit frame.
4. method according to claim 2 is characterized in that, disposes according to described subframe configuration information that subframe comprises in the described unit frame:
Dispose according to described subframe configuration information that subframe is one of following form in the described unit frame:
Described subframe all by descending sub frame form, described subframe all by sub-frame of uplink form, described subframe all by special subframe form, described subframe by descending sub frame and sub-frame of uplink form, described subframe by descending sub frame and special subframe form, described subframe is made up of sub-frame of uplink and special subframe.
5. method according to claim 4 is characterized in that described subframe lengths is identical.
6. method according to claim 5 is characterized in that, described subframe is made up of a plurality of basic symbols unit and/or idle time slot.
7. method according to claim 6 is characterized in that,
Described subframe comprises 12 OFDM symbols and described idle time slot, and wherein, the cyclic prefix CP of described subframe is 2.5us, and subcarrier spacing is 12.5k;
Described subframe comprises 11 OFDM symbols and described idle time slot, and wherein, the cyclic prefix CP of described subframe is 9.375us, and described subcarrier spacing is 12.5k;
Described subframe comprises 10 OFDM symbols and described idle time slot, and wherein, the cyclic prefix CP of described subframe is 16.875us, and described subcarrier spacing is 12.5k.
8. according to each described method of claim 2 to 7, it is characterized in that,
Described superframe length is 20ms, and described unit frame length is 5ms;
Described superframe length is 20ms, and described unit frame length is 10ms.
9. method according to claim 1 is characterized in that, after the coexistence configuration according to the multi-communication standard system generates superframe configuration information and subframe configuration information, also comprises:
Terminal receives the described superframe configuration information from the base station; According to described superframe configuration information, judge whether to obtain described subframe configuration information.
10. method according to claim 9 is characterized in that, also comprises:
If judged result is described superframe configuration information for the configuration mode of subframe in the unit frame of the described superframe of indication is non-full sub-frame of uplink or non-full downlink sub-frame, described terminal is obtained described subframe configuration information.
11. a base station is characterized in that, comprising:
Generation module is used for generating superframe configuration information and subframe configuration information according to the coexistence configuration of multi-communication standard system, and wherein, described coexistence configuration is the configuration of the frame structure of the described multi-communication standard coexistence of systems of support;
First configuration module is used for the part or all of unit frame according to the superframe of described superframe configuration information configuration multi-communication standard system radio frames, and wherein, described superframe configuration information is used to indicate the configuration attribute of described unit frame;
Second configuration module is used for disposing described unit frame subframe according to described subframe configuration information, and wherein said subframe configuration information is used to indicate the properties of distributions of described subframe;
Sending module is used to adopt described radio frames to send message.
12. a terminal is characterized in that, comprising:
Receiver module receives the described superframe configuration information from the base station;
Judge module is used for judging whether to obtain described subframe configuration information according to described superframe configuration information;
Acquisition module, being used for judged result and being described superframe configuration information is non-full sub-frame of uplink or non-full downlink sub-frame for the configuration mode of the unit frame subframe of the described superframe of indication, then obtains described subframe configuration information.
13. a multi-communication standard system is characterized in that, comprising:
Described base station of claim 11 and the described terminal of claim 12.
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| CN201010188724.5A CN102263720B (en) | 2010-05-25 | 2010-05-25 | The method of message transfer, base station, terminal and multi-communication-mode system |
| PCT/CN2010/078891 WO2011147167A1 (en) | 2010-05-25 | 2010-11-18 | Message transmission method, base station, terminal and multi-standard communication system |
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| CN201010188724.5A CN102263720B (en) | 2010-05-25 | 2010-05-25 | The method of message transfer, base station, terminal and multi-communication-mode system |
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Also Published As
| Publication number | Publication date |
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| WO2011147167A1 (en) | 2011-12-01 |
| CN102263720B (en) | 2015-08-12 |
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