CN102595636A - Random access response determining method, device and system - Google Patents
Random access response determining method, device and system Download PDFInfo
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- CN102595636A CN102595636A CN2012100671242A CN201210067124A CN102595636A CN 102595636 A CN102595636 A CN 102595636A CN 2012100671242 A CN2012100671242 A CN 2012100671242A CN 201210067124 A CN201210067124 A CN 201210067124A CN 102595636 A CN102595636 A CN 102595636A
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Abstract
The invention discloses a random access response determining method, a device and a system, which are used for enabling user terminals to effectively recognize the format of random access response, improving the compatibility of user terminals in different versions, enabling the user terminals in different versions to accurately analyze and acquire the own RAR (Random Access Response) and improving the random access success rate. The method comprises the following steps: the user terminals determine the types of RARs corresponding to marks carried in a data packet transmission unit MAC PDU message header of a received media access control layer according to the corresponding relation between the preset marks and the RAR types, determine the resolution manner corresponding to the RARs according to the corresponding relation between the preset RAR types and the resolution manner and achieves resolution.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of accidental access response and confirm method, Apparatus and system.
Background technology
Advanced Long Term Evolution (LTE Advanced, LTE-A) system based on improve peak rate, with Long Term Evolution LTE system compatible and the needs that make full use of frequency spectrum resource, the LTE-A system has introduced carrier aggregation (Carrier Aggregation, CA) technology.
Carrier aggregation technology is meant subscriber equipment (UE) a plurality of sub-districts of polymerization (cell) simultaneously, and a plurality of cell can provide the mechanism of data transport service simultaneously for UE.The carrier wave that each cell is corresponding in the system of carrier aggregation can be continuous or discrete at frequency domain, for the LTE system compatible, the maximum bandwidth of each member carrier is 20MHz, the bandwidth between each member carrier can be identical or different.
Under the carrier aggregation; Terminal works divide into for a short time a main plot (Primary Cell, PCell) with several auxilliary sub-districts (Secondary Cell, SCell); The work of most of control and signaling has been born in the main plot; Report as sending up feedback, CQI to downlink data, ascending pilot frequency transmission etc., auxilliary sub-district mainly is as resource, bears the function of transfer of data.
The access at random of LTE system (Random Access, RA) process is divided into and non-competingly inserts at random and compete and insert two kinds at random, is example with non-competing random access procedure, shown in accompanying drawing 1, mainly comprises for three steps:
Msg0: base station (eNB) is used in non-competing special-purpose random access lead code (the Random Access Preamble that inserts at random to the UE branch; Ra-PreambleIndex) and at random insert Packet Random Access Channel (the Packet Random Access Channel that uses; PRACH) resource (ra-PRACH-MaskIndex) (PRACH Mask Index; PRACH Mask numbering): arrive non-competing the access at random that causes for downlink data and use Physical Downlink Control Channel (PDCCH) to carry these information, carry these information through radio resource control (RRC) signaling for non-competing the access at random that switching causes.
Msg l:UE is according to the ra-PreambleIndex and the ra-PRACH-MaskIndex of Msg0 indication, on the PRACH of appointment resource, sends the dedicated preamble (preamble) of appointment to the base station.Up Timing Advance (TA) is calculated according to Msg1 after receiving Msg1 in the base station.
Msg2: accidental access response is sent to UE in the base station, comprises Timing Advance information and follow-up uplink transmission resource in the accidental access response and distributes (UL grant), and Timing Advance is used for the timing relationship of the follow-up uplink of UE.The PDCCH that carries the Msg2 scheduling message is with random access radio network temporary mark (RA-RNTI) scrambling, and RA-RNTI is unique corresponding with the running time-frequency resource that sends Msg1 in the 10ms window; Also carry preamble sign (ID) in addition among the Msg2, UE confirms that through RA-RNTI and preamble ID this Msg2 is corresponding with the Msg1 of its transmission.
Wherein, Shown in accompanying drawing 2; Msg2 be media access control layer data packet transmission unit (MAC PDU) comprise MAC head (MAC header) and MAC load (MAC payload), wherein, comprise a plurality of son heads (subheader) among the MAC header; Carry Preamble sign (the RA Preamble ID of the accidental access response that eNB returns among each subheader; RAPID), among the MAC payload according to the order of each RAPID that carries among the MAC header carry corresponding accidental access response (Random Access Response, RAR).
In competition when inserting at random, for the transmission course of Msg1 and Msg2 and processing procedure with non-competing identical when inserting at random.
The alternative that a kind of SCell RA is arranged at present: UE initiates the Msg1 transmission on SCell, corresponding Msg2 is transmitted on the PCell and carries out.Shown in accompanying drawing 3; UE1, UE2 and UE3 initiate Preamble respectively on PCell, SCell1 and SCell2; Identical and when using identical PRACH resource (promptly adopt RA-RNTI identical) at Preamble, if when 3 UE monitor the PDCCH that carries RA-RNTI information and corresponding Msg2 message simultaneously on PCell, the RAR information that wherein can carry these three UE in Msg2 message; But; Because the RAPID of three UE correspondences is all identical with RA-RNTI, therefore, is difficult to distinguish the RAR information of different districts different UEs.Can only distinguish the message of different districts different UEs to the RAR of the UE introducing format of initiating through auxilliary sub-district to insert at random.
Wherein, be depicted as traditional RAR form (seeing the regulation among the 3GPP 36.321 for details) like accompanying drawing 4a, the R bit is a reserved bit,, when receiving Msg2, can directly ignore for the R bit among the RAR for the UE of version before the LTE R11.
Be depicted as the RAR form of new introducing like accompanying drawing 4b and accompanying drawing 4c, wherein, introduced cell index (Cell Index) information among the RAR shown in the accompanying drawing 4b, promptly UE combines RAPID and Cell Index information to judge whether this is the RAR of oneself; Among the RAR shown in the accompanying drawing 4c with the interim cell level Radio Network Temporary Identifier among traditional RAR (Temporary C-RNTI, T-C-RNTI) field changes to the C-RNTI field, promptly UE judges whether it is the RAR of oneself according to RAPID and C-RNTI.
But; Traditional RAR of existing differentiation and new RAR distinguish through the R bit that comprises among the RAR; And the UE of version can not read the content of R bit before the LTE R11; This just makes the UE of version before the LTE R11 can not distinguish the RAR of new and old form, and the user terminal of the legacy version that this just causes initiating to insert at random through the main plot is still judged (comprising the RAR of newtype) to RAR in the conventional mode, can cause legacy version UE because wrong RAR content of resolving format; Mistake is judged as oneself with the RAR of format, thereby reduces the success rate that user terminal inserts at random.
Summary of the invention
The present invention provides a kind of accidental access response to confirm method, Apparatus and system; Use so that user terminal can effectively be discerned the form of accidental access response; Improve the compatibility of different editions user terminal; Make the user terminal of different editions can accurately resolve and obtain one's own RAR, improve and insert success rate at random.
The concrete technical scheme that the embodiment of the invention provides is following:
A kind of accidental access response is confirmed method, comprising:
The sign that the user terminal basis is preset and the corresponding relation of accidental access response RAR type, the affiliated RAR type of RAR that the sign of carrying in the media access control layer data packet transmission unit MAC PDU message header of confirming to receive is corresponding;
Confirm corresponding analysis mode of said RAR and parsing according to the preset RAR type and the corresponding relation of analysis mode.
A kind of accidental access response is confirmed method, comprising:
Sign is carried in the base station in media access control layer data packet transmission unit MAC PDU message header;
The RAR of said sign corresponding types carried with the corresponding position of said sign with the corresponding relation of accidental access response RAR type according to preset said sign in said base station in said MAC PDU, and sends said MAC PDU.
A kind of accidental access response is confirmed device, is arranged at user terminal, comprising:
First processing unit is used for according to the preset sign and the corresponding relation of accidental access response RAR type, the RAR type under the RAR of the sign correspondence of carrying in the media access control layer data packet transmission unit MAC PDU message header of confirming to receive;
Second processing unit is used for confirming corresponding analysis mode of said RAR and parsing according to the preset RAR type and the corresponding relation of analysis mode.
A kind of accidental access response is confirmed device, is arranged at the base station, comprising:
First processing unit is used for that MAC PDU message header carries sign in media access control layer data packet transmission unit;
Second processing unit is used for carrying the RAR of said sign corresponding types at said MAC PDU with the corresponding position of said sign with the corresponding relation of accidental access response RAR type according to preset said sign, and sends said MAC PDU.
A kind of accidental access response is confirmed system, comprising:
The base station; Be used for that MAC PDU message header carries sign in media access control layer data packet transmission unit; Said sign according to preset is carried the RAR of said sign corresponding types with the corresponding position of said sign with the corresponding relation of accidental access response RAR type in said MACPDU, and sends said MAC PDU;
User terminal; Be used for according to the preset sign and the corresponding relation of RAR type; The affiliated RAR type of RAR that the sign of carrying in the MACPDU message header of definite reception is corresponding is confirmed the also parsing of the corresponding analysis mode of said RAR type according to the preset RAR type and the corresponding relation of analysis mode.
Based on technique scheme; In the embodiment of the invention, the sign that the user terminal basis is preset and the corresponding relation of accidental access response type, the affiliated RAR type of RAR that the sign of carrying in the MAC PDU message header of confirming to receive is corresponding; Confirm corresponding analysis mode of RAR type and parsing according to the preset RAR type and the corresponding relation of analysis mode; Thereby can be according to the preset sign and the corresponding relation of accidental access response type, confirm the corresponding respectively RAR type of each sign of carrying in the MAC message header, and resolve according to the analysis mode of RAR type correspondence; Thereby can make the user terminal of different editions can effectively discern dissimilar RAR; And resolve according to the type of RAR, improve the compatibility between the different editions user terminal, and improved the success rate that user terminal inserts at random.
Description of drawings
Fig. 1 is a non-competing random access procedure sketch map in the prior art;
Fig. 2 is a MAC PDU structural representation in the prior art;
The example schematic of Fig. 3 for inserting at random through main and auxiliary sub-district in the prior art;
Fig. 4 a is a RAR form sketch map traditional in the prior art;
Fig. 4 b is the new RAR form sketch map of introducing in the prior art;
Fig. 4 c is the new RAR form sketch map of introducing in the prior art;
Fig. 5 is the method flow diagram that the subscriber terminal side accidental access response is confirmed in the embodiment of the invention;
The RAR form sketch map of Fig. 6 for providing in the embodiment of the invention;
Fig. 7 is the method flow diagram that the base station side accidental access response is confirmed in the embodiment of the invention;
Fig. 8 confirms structure drawing of device for the accidental access response of subscriber terminal side in the embodiment of the invention;
Fig. 9 confirms structure drawing of device for the accidental access response of base station side in the embodiment of the invention;
Figure 10 confirms system architecture diagram for accidental access response in the embodiment of the invention.
Embodiment
In order to make the user terminal (UE) of different editions can effectively discern the form of accidental access response (RAR); Improve the compatibility of different editions user terminal; Make the user terminal of different editions can accurately resolve and obtain one's own RAR; Insert success rate at random to improve, the embodiment of the invention provides a kind of accidental access response to confirm method, Apparatus and system.
Below in conjunction with accompanying drawing the preferred embodiment of the present invention is elaborated.
Shown in accompanying drawing 5, in the embodiment of the invention, it is following to carry out the detailed method flow process that accidental access response confirms in subscriber terminal side:
Step 501: the sign that the user terminal basis is preset and the corresponding relation of accidental access response (RAR) type, the affiliated RAR type of RAR that the sign of carrying in media access control layer data packet transmission unit (MAC PDU) message header of confirming to receive is corresponding.
Preferably, the preset random access lead code that is designated identifies (RAPID).Particularly, this is designated selected RAPID in the special-purpose RAPID set of main plot, perhaps is preset RAPID that does not belong to the RAPID set and the corresponding corresponding a kind of RAR type of each RAPID.
For example, when RAPID was 1-60, corresponding RAR type was the RAR of the conventional form shown in accompanying drawing 4a; RARID is 62 o'clock, and corresponding RAR type is the RAR of form shown in accompanying drawing 4b; RAPID is 63 o'clock, and corresponding RAR type is the RAR of form shown in accompanying drawing 4c.Wherein, The RAR of corresponding conventional form when RAPID is 1-60; Then UE still determines whether the RAR into oneself according to traditional approach, and the RAPID that uses when promptly whether the RAPID that carries according to MAC PDU message header of UE inserts for this UE at random determines whether the RAR into oneself.
Again for example; Preset when being designated RAPID; Can be with selected RAPID in the special-purpose RAPID set of main plot, the perhaps preset RAPID that does not belong to the RAPID set is as the special RAPID that is used to indicate the RAR type (i.e. sign), the corresponding a kind of RAR type of each special RAPID; Suppose for the user terminal of initiating through auxilliary sub-district to insert at random; Special RAPID is carried in certain position in the MAC of MAC PDU head, and the RAR that this special RAPID is corresponding is the RAR of form shown in accompanying drawing 4b or accompanying drawing 4c, and for the user terminal of initiating through the main plot to insert at random; Carry outside the special RAPID other in certain position in the MAC of MAC PDU head and belong to the RAPID of the special-purpose RAPID set in main plot, the RAR of the conventional form of this RAPID correspondence shown in accompanying drawing 4a.
Wherein, user terminal is preset with the corresponding relation of sign and RAR type and analysis mode, and perhaps, user terminal obtains the corresponding relation that identifies with RAR type and analysis mode through dedicated signaling or the notification message that receives.
For example, user terminal and base station are provided with the corresponding relation of sign and RAR type and analysis mode in advance through the mode of agreement agreement.
Again for example, user terminal obtains the corresponding relation of sign and RAR type and analysis mode through the dedicated signaling RRC/MAC/PDCCH that receives the base station transmission.
Again for example, user terminal obtains the corresponding relation of sign and RAR type and analysis mode through the special RRC/MAC/L1 signaling that receives the base station transmission.
Step 502: confirm corresponding analysis mode of this RAR and parsing according to the preset RAR type and the corresponding relation of analysis mode.
Preferably; When confirming that the terminal identification information that comprises among the RAR of parsing acquisition is the terminal iidentification of user terminal; And/or the resource related information that comprises among the RAR that confirm to resolve obtains is judged the RAR of this RAR for this user terminal when being the relevant information of the resource used when initiating to insert at random of user terminal.
For example; At RAR is when comprising the first kind of cell level Radio Network Temporary Identifier (C-RNTI); Shown in accompanying drawing 4c, when the C-RNTI that uses when initiating to insert at random with user terminal as if the C-RNTI that comprises among this RAR is identical, judge that this RAR is the RAR of user terminal; Perhaps; At RAR is when comprising second type of cell index (Cell Index); Shown in accompanying drawing 6,, judge that this RAR is the RAR of user terminal if when the Cell Index of use and/or RAPID are identical when the Cell Index that comprises and/or RAPID initiate to insert at random with user terminal among the RAR.Be merely for example, it is of the present invention to confirm that for other terminal identification information and/or the resource related information of user terminal identity can be used in here, and the present invention is also included it.
In the practical application; In the MAC of MAC PDU head, include a plurality of signs, the corresponding RAR of each sign is when judging that current RAR is not the RAR of user terminal; Obtain the next RAR that comprises among the MAC PDU, and resolve according to the corresponding analysis mode of this next one RAR.
Particularly, user terminal is in the sign of initiating to carry when inserting at random appointment, and the sign of this appointment can be to confirm it also can is to specify the back informing user terminal by base station side by user terminal selecting; The base station is when receiving the request of access at random of user terminal initiation; Carry the sign of this appointment in the MAC head that is identified at MAC PDU according to the appointment of carrying, and carry the RAR of user terminal at the correspondence position of the MAC of MAC PDU load, user terminal is after receiving the MAC PDU that sends the base station; Judge that successively whether the sign of carrying in the MAC head is the sign of appointment when initiating to insert at random; If, then obtain the RAR of MAC load correspondence position, resolve this RAR according to the analysis mode that the sign of appointment is corresponding; Judge whether RAR according to terminal identification information of carrying among this RAR and/or resource related information into this user terminal; If then this user terminal inserts successfully, otherwise; Continue to judge that whether the next one sign of carrying in the MAC head is the sign of appointment when initiating to insert at random, in finding the RAR that belongs to this user terminal or definite MACPDU, do not carry the RAR that belongs to this user terminal till.
Among this embodiment; Subscriber terminal side is after receiving MAC PDU; According to the preset sign and the corresponding relation of accidental access response RAR type; The RAR that the sign that can confirm to carry in the MAC PDU message header is corresponding; Confirm the analysis mode that this RAR type is corresponding and resolve this RAR according to the RAR type and the corresponding relation of analysis mode again, thereby make user terminal to confirm corresponding RAR type, make the user terminal of different editions can discern dissimilar RAR according to the sign of carrying in the MAC message header; And then can resolve to determine whether the being RAR of self according to the corresponding analysis mode of this RAR type, improved the compatibility of the user terminal of different editions to the RAR form of new and old different editions.
Shown in accompanying drawing 7, in the embodiment of the invention, it is following to carry out the detailed method flow process that accidental access response confirms in base station side:
Step 701: sign is carried in the base station in media access control layer data packet transmission unit (MAC PDU) message header.
Preferably, the preset random access lead code that is designated identifies (RAPID).Particularly, this is designated selected RAPID in the special-purpose RAPID set of main plot, perhaps is preset RAPID that does not belong to the RAPID set and the corresponding corresponding a kind of RAR type of each RAPID.
For example, when RAPID was 1-60, corresponding RAR type was the RAR of the conventional form shown in accompanying drawing 4a; RARID is 62 o'clock, and corresponding RAR type is the RAR of form shown in accompanying drawing 4b; RAPID is 63 o'clock, and corresponding RAR type is the RAR of form shown in accompanying drawing 4c.
Step 702: the RAR of this sign corresponding types carried with the corresponding position of sign with the corresponding relation of RAR type according to preset sign in the base station in MAC PDU, and sends MAC PDU.
In the embodiment of the invention, the base station is preset with the corresponding relation of sign and RAR type and analysis mode, and perhaps, the base station is through the corresponding relation of dedicated signaling or notification message informing user terminal sign and RAR type and analysis mode, and this analysis mode is used to resolve RAR.
For example, base station and user terminal are provided with the corresponding relation of sign and RAR type and analysis mode in advance through the mode of agreement agreement.
Again for example, the base station is through sending the corresponding relation of dedicated signaling RRC/MAC/PDCCH informing user terminal sign and RAR type and analysis mode.
Again for example, the base station is through sending the corresponding relation of special RRC/MAC/L1 signaling user terminal identification and RAR type and analysis mode.
The resource related information of the resource that terminal identification information and/or the user terminal that preferably, carries user terminal among the RAR of sign corresponding types uses when initiating to insert at random.
For example; In MAC PDU with the corresponding position of sign when carrying the RAR of this sign corresponding types; When if this is designated first predetermined value; The RAR of the first kind is carried in position corresponding with this sign in MAC PDU, carries the C-RNTI (shown in accompanying drawing 4c) of user terminal among the RAR of this first kind; Perhaps, when this was designated second predetermined value, the RAR of second type was carried in position corresponding with this sign in MAC PDU, carried the Cell Index and/or the RAPID (shown in accompanying drawing 6) of user terminal among the RAR of this second type.
For example; The base station is when receiving the request of access at random of user terminal initiation; When confirming that according to the version information of the user terminal of knowing user terminal is the user terminal of version before the LTE R11; When confirming that perhaps user terminal inserts through auxilliary sub-district at random; Or be to confirm that user terminal is when inserting at random through certain particular cell; The position of in the MAC of MAC PDU head, carrying RAPID that will be corresponding with this user terminal is made as the special RAPID (i.e. sign) that is used to indicate the RAR form, and carries the RAR of this special RAPID corresponding types at the correspondence position of MAC load, carries the terminal identification information (like C-RNTI) of this user terminal among this RAR or carries the resource identification information (like Cell Index) that uses resource when this user terminal initiates to insert at random.
Again for example; User terminal is after receiving the as above routine described MAC PDU that sends the base station; Judge each PAPID that comprises in the MAC head of this MAC PDU successively; When this RAPID was not special RAPID, the RAR that confirms correspondence position in the MAC load was the RAR of conventional form, and then user terminal determines whether the RAR into oneself according to the RAPID that carries in the MAC head; When this RAPID is special RAPID; Confirm the type of the RAR of MAC load relevant position according to the corresponding relation of special RAPID and RAR type; And confirm the analysis mode of this RAR according to the corresponding relation of RAR type and analysis mode; User terminal is resolved this RAR according to this analysis mode and is obtained C-RNTI or Cell Index, takes a decision as to whether the RAR of oneself.
Among this embodiment; Carry the sign that is used to indicate the RAR type in the base station side MAC PDU message header; Carry the RAR of this sign corresponding types with tying up among the MAC PDU of RAR type with the corresponding position of sign according to preset sign for the pass; And send this MAC PDU, thus make the user terminal of different editions after receiving this MAC PDU, can indicate the sign of RAR type to confirm the type of RAR according to being used to of carrying in this message header; And resolve and determine whether to be one's own RAR; Thereby make the user terminal of different editions can discern dissimilar RAR, can resolve to determine whether the being RAR of self, improved the compatibility of the user terminal of different editions the RAR form of new and old different editions according to the corresponding analysis mode of this RAR type.
The method of below by way of example accidental access response in the embodiment of the invention being confirmed specifies.
Example one: at first; Reserve RAPID=63 as being used to indicate the special RAPID (promptly being used to indicate the sign of RAR type) of RAR type; And this RAR type is shown in accompanying drawing 4c; Comprise C-RNTI among this RAR; This special RAPID is exclusively used in auxilliary sub-district and inserts at random, makes user terminal know that special RAPID is 63 and the analysis mode of should special RAPID corresponding RAR through in advance user terminal being configured (like definition in the agreement or carry out configurations shown), is 63 and the analysis mode of the RAR of this special RAPID correspondence by RRC/MAC/L1 signaling or the special RAPID that adopts the mode of broadcast to notify UE to be used to indicate the RAR type of eNB through special use perhaps;
Then, when UE after auxilliary sub-district initiates to insert at random, monitor corresponding Msg2 message (being MAC PDU) in the main plot; Search each RAPID that message header (being the MAC head) is preserved successively, when confirming RAPID=63, obtain the corresponding RAR of this RAPID; And adopt the corresponding analysis mode of special RAPID that RAR is resolved, promptly obtain the C-RNTI that carries among this RAR, if the C-RNTI of this C-RNTI and UE self is identical; Confirm that then this RAR is the accidental access response of this UE, this UE inserts success at random; If the C-RNTI of this C-RNTI and UE self is inequality, other RAPID that then continues to carry in the parsing Msg2 message is 63 RAR, till finding the RAR that belongs to this UE or confirming not carry the RAR that belongs to this user terminal among this Msg2.
Example two: at first; Reserve RAPID=62 as being used to indicate the special RAPID (promptly being used to indicate the sign of RAR type) of RAR type; And this RAR type is shown in accompanying drawing 6; Comprise cell index (Cell Index) among this RAR; This special RAPID is exclusively used in auxilliary sub-district and inserts at random, makes user terminal know that special RAPID is 62 and the analysis mode of should special RAPID corresponding RAR through in advance user terminal being configured (like definition in the agreement or carry out configurations shown), is 62 and the analysis mode of the RAR of this special RAPID correspondence by RRC/MAC/L1 signaling or the special RAPID that adopts the mode of broadcast to notify UE to be used to indicate the RAR type of eNB through special use perhaps; Simultaneously, insert the Cell Index of related cell at random through RRC dedicated signaling or broadcast signaling or L2/L1 signaling UE;
Then, when UE after auxilliary sub-district initiates to insert at random, monitor corresponding Msg2 message in the main plot; (being MAC PDU) searched each RAPID that message header (being the MAC head) is preserved successively, when confirming RAPID=62; Obtain the corresponding RAR of this RAPID; And adopt the corresponding analysis mode of special RAPID that RAR is resolved, and promptly obtaining the Cell Index that carries among this RAR, the Cell Index when initiating to insert at random with UE as if this Cell Index is identical; Confirm that then this RAR is the accidental access response of this UE, this UE inserts success at random; If the Cell Index when this Cell Index and UE initiate to insert at random is inequality, other RAPID that then continues to carry in the parsing Msg2 message is 62 RAR, till finding the RAR that belongs to this UE.
Example three: the base station receives the request of access at random of 3 UE; Wherein, UE1 initiates to insert at random through the main plot, and UE2 initiates to insert at random through the first auxilliary sub-district, and UE3 initiates to insert at random through the second auxilliary sub-district; Corresponding special RAPID is 63 when inserting at random through the first auxilliary sub-district to UE2 is preset; And corresponding special RAPID is 62 when inserting at random through the second auxilliary sub-district to UE3 is preset, and the RAPID that uses when UE1 initiates to insert is at random carried to UE1 in the base station in the MAC of MAC PDU head be 50, and carry the RAR of conventional form in the corresponding position of MAC load; In the MAC of same MAC PDU head, carrying special RAPID to UE2 is 63, and carries the RAR that comprises C-RNTI information in the corresponding position of MAC load; In the MAC of same MAC PDU head, carrying special RAPID to UE3 is 62, and carries the RAR that comprises Cell Index in the corresponding position of MAC load;
UE1, UE2 and UE3 monitor the above-mentioned MAC PDU that send the base station in the main plot, whether UE1 judges to carry in the MAC head of MAC PDU and equal 50 RAPID, if corresponding RAR is then obtained in existence, inserts successfully; UE2 confirms to carry in the MAC head equals 63 RAPID, and whether the C-RNTI that uses when judging the C-RNTI that carries among MAC load and the corresponding RAR of the RAPID that equals 63 and initiating to insert at random is identical, if identical this RAR that then obtains inserts successfully; In like manner; UE3 confirms to carry in the MAC head equals 62 RAPID; And whether the Cell Index that uses when judging the Cell Index that carries among MAC load and the corresponding RAR of the RAPID that equals 62 and initiating to insert at random is identical, if identical this RAR that then obtains inserts successfully.
Based on above-mentioned principle, shown in accompanying drawing 8, also provide a kind of accidental access response to confirm device in the embodiment of the invention, be arranged at user terminal, this device mainly comprises following processing unit:
Wherein, also comprise pretreatment unit 803, be used for the corresponding relation of preset sign and RAR type and analysis mode, perhaps, obtain the corresponding relation that identifies with RAR type and analysis mode through dedicated signaling or the notification message that receives.
Wherein, It is when comprising the first kind of cell level Radio Network Temporary Identifier (C-RNTI) that second processing unit 802 specifically is used at RAR; When the C-RNTI that (C-RNTI) if that comprise among the RAR uses when initiating to insert at random with user terminal is identical, judge the RAR of this RAR for this user terminal; Perhaps; At RAR is when comprising second type of cell index Cell Index; When Cell Index that uses when if Cell Index that comprises among this RAR and/or random access lead code sign (RAPID) are initiated to insert at random with this user terminal and/or RAPID are identical, judge the RAR of this RAR for this user terminal.
Wherein, second processing unit 802 also is used to judge when RAR is not the RAR of user terminal, obtains the next RAR that comprises among the MAC PDU, and resolves according to the corresponding analysis mode of this next one RAR.
Equally, based on above-mentioned principle, shown in accompanying drawing 9, also provide a kind of accidental access response to confirm device in the embodiment of the invention, be arranged at base station side, this device mainly comprises following processing unit:
Wherein, second processing unit 902 specifically is used for when being designated first predetermined value, in MAC PDU, carries the RAR of the first kind with the corresponding position of sign, carries the C-RNTI of user terminal among the RAR of this first kind; Perhaps, when being designated second predetermined value, in MAC PDU, carry the RAR of second type, carry the cell index (Cell Index) and/or the RAPID of user terminal among the RAR of this second type with the corresponding position of sign.
Based on above-mentioned principle, shown in accompanying drawing 10, in the embodiment of the invention, also provide a kind of accidental access response to confirm system, this system mainly comprises base station 1011 and user terminal 1012, wherein,
Base station 1011; Be used for that (MAC PDU) message header carries sign in media access control layer data packet transmission unit; In MACPDU, carry the RAR of this sign corresponding types with the corresponding relation of accidental access response (RAR) type according to preset sign, and send this MAC PDU with the corresponding position of sign;
User terminal 1012; Be used for according to the preset sign and the corresponding relation of RAR type; The affiliated RAR type of RAR that the sign of carrying in the MAC PDU message header of definite reception is corresponding is confirmed the also parsing of the corresponding analysis mode of this RAR type according to the preset RAR type and the corresponding relation of analysis mode.
Based on technique scheme; In the embodiment of the invention, the sign that the user terminal basis is preset and the corresponding relation of accidental access response type, the affiliated RAR type of RAR that the sign of carrying in the MAC PDU message header of confirming to receive is corresponding; Confirm corresponding analysis mode of this RAR and parsing according to the preset RAR type and the corresponding relation of analysis mode; Thereby can be according to the preset sign and the corresponding relation of accidental access response type, confirm the corresponding respectively RAR type of each sign of carrying in the MAC message header, and resolve according to the analysis mode of RAR type correspondence; Thereby can make the user terminal of different editions can effectively discern dissimilar RAR; And resolve according to the type of RAR, improve the compatibility between the different editions user terminal, and improved the success rate that user terminal inserts at random.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1. an accidental access response is confirmed method, it is characterized in that, comprising:
The sign that the user terminal basis is preset and the corresponding relation of accidental access response RAR type, the affiliated RAR type of RAR that the sign of carrying in the media access control layer data packet transmission unit MAC PDU message header of confirming to receive is corresponding;
Confirm corresponding analysis mode of said RAR and parsing according to the preset RAR type and the corresponding relation of analysis mode.
2. the method for claim 1 is characterized in that, the said random access lead code sign RAPID that is designated.
3. method as claimed in claim 2 is characterized in that, said RAPID is selected RAPID in the special-purpose RAPID set of main plot, perhaps is the preset RAPID that does not belong to said RAPID set, the corresponding corresponding a kind of RAR type of each said RAPID.
4. like claim 1,2 or 3 described methods, it is characterized in that said user terminal is preset with the corresponding relation of said sign and said RAR type and said analysis mode;
Perhaps,
The corresponding relation that said user terminal obtains said sign and said RAR type and said analysis mode through the dedicated signaling that receives or notification message.
5. method as claimed in claim 4 is characterized in that, confirms analysis mode and parsing that said RAR is corresponding, comprising:
When confirming that the terminal identification information that comprises among the said RAR of parsing acquisition is the terminal iidentification of said user terminal; And/or the resource related information that comprises among the said RAR that confirm to resolve obtains judges that said RAR is the RAR of said user terminal when being the relevant information of the resource used when initiating to insert at random of said user terminal.
6. method as claimed in claim 4 is characterized in that, confirms analysis mode and parsing that said RAR is corresponding, comprising:
At said RAR is when comprising the first kind of cell level Radio Network Temporary Identifier C-RNTI; If when the C-RNTI that the C-RNTI that comprises among the said RAR uses when initiating to insert at random with said user terminal is identical, judge that said RAR is the RAR of said user terminal; Perhaps,
At said RAR is when comprising second type of cell index Cell Index; If when Cell Index that Cell Index that comprises among the said RAR and/or RAPID use when initiating to insert at random with said user terminal and/or RAPID are identical, judge that said RAR is the RAR of said user terminal.
7. method as claimed in claim 6 is characterized in that, judges when said RAR is not the RAR of said user terminal, comprising:
Obtain the next RAR that comprises among the said MAC PDU, and resolve according to the corresponding analysis mode of said next RAR.
8. an accidental access response is confirmed method, it is characterized in that, comprising:
Sign is carried in the base station in media access control layer data packet transmission unit MAC PDU message header;
The RAR of said sign corresponding types carried with the corresponding position of said sign with the corresponding relation of accidental access response RAR type according to preset said sign in said base station in said MAC PDU, and sends said MAC PDU.
9. method as claimed in claim 8 is characterized in that, the said random access lead code sign RAPID that is designated.
10. method as claimed in claim 9 is characterized in that, said RAPID is selected RAPID in the special-purpose RAPID set of main plot, perhaps is the preset RAPID that does not belong to said RAPID set, the corresponding corresponding a kind of RAR type of each said RAPID.
11. like claim 8,9 or 10 described methods; It is characterized in that; Said base station is preset with the corresponding relation of said sign and said RAR type and analysis mode; Perhaps, said base station is through the corresponding relation of dedicated signaling or the said sign of notification message informing user terminal and said RAR type and analysis mode, and said analysis mode is used to resolve said RAR.
12. method as claimed in claim 11 is characterized in that, the resource related information of the resource that terminal identification information and/or the user terminal that carries user terminal among the RAR of said corresponding types uses when initiating to insert at random.
13. method as claimed in claim 12 is characterized in that, in said MAC PDU, carries the RAR of said sign corresponding types with the corresponding position of said sign, comprising:
When being designated first predetermined value, in said MAC PDU, carry the RAR of the first kind said, carry the C-RNTI of user terminal among the RAR of the said first kind with the corresponding position of said sign;
Perhaps,
When being designated second predetermined value, in said MAC PDU, carry the RAR of second type said, carry the cell index CellIndex and/or the RAPID of user terminal among the RAR of said second type with the corresponding position of said sign.
14. an accidental access response is confirmed device, is arranged at user terminal, it is characterized in that, comprising:
First processing unit is used for according to the preset sign and the corresponding relation of accidental access response RAR type, the RAR type under the RAR of the sign correspondence of carrying in the media access control layer data packet transmission unit MAC PDU message header of confirming to receive;
Second processing unit is used for confirming corresponding analysis mode of said RAR and parsing according to the preset RAR type and the corresponding relation of analysis mode.
15. device as claimed in claim 14; It is characterized in that; Also comprise pretreatment unit; The corresponding relation that is used for preset said sign and said RAR type and said analysis mode, perhaps, the corresponding relation that dedicated signaling or the notification message through reception obtains said sign and said RAR type and said analysis mode.
16. device as claimed in claim 15; It is characterized in that; It is when comprising the first kind of cell level Radio Network Temporary Identifier C-RNTI that said second processing unit specifically is used at said RAR; If when the C-RNTI that the C-RNTI that comprises among the said RAR uses when initiating to insert at random with said user terminal is identical, judge that said RAR is the RAR of said user terminal;
Perhaps; At said RAR is when comprising second type of cell index Cell Index; If when Cell Index that Cell Index that comprises among the said RAR and/or random access lead code sign RAPID use when initiating to insert at random with said user terminal and/or RAPID are identical, judge that said RAR is the RAR of said user terminal.
17. device as claimed in claim 14; It is characterized in that; Said second processing unit also is used to judge when said RAR is not the RAR of said user terminal, obtains the next RAR that comprises among the said MAC PDU, and resolves according to the corresponding analysis mode of said next RAR.
18. an accidental access response is confirmed device, is arranged at the base station, it is characterized in that, comprising:
First processing unit is used for that MAC PDU message header carries sign in media access control layer data packet transmission unit;
Second processing unit is used for carrying the RAR of said sign corresponding types at said MAC PDU with the corresponding position of said sign with the corresponding relation of accidental access response RAR type according to preset said sign, and sends said MAC PDU.
19. device as claimed in claim 18; It is characterized in that; Said second processing unit specifically is used for said when being designated first predetermined value; In said MAC PDU, carry the RAR of the first kind, carry the C-RNTI of user terminal among the RAR of the said first kind with the corresponding position of said sign;
Perhaps,
When being designated second predetermined value, in said MAC PDU, carry the RAR of second type said, carry the cell index CellIndex and/or the RAPID of user terminal among the RAR of said second type with the corresponding position of said sign.
20. an accidental access response is confirmed system, it is characterized in that, comprising:
The base station; Be used for that MAC PDU message header carries sign in media access control layer data packet transmission unit; Said sign according to preset is carried the RAR of said sign corresponding types with the corresponding position of said sign with the corresponding relation of accidental access response RAR type in said MACPDU, and sends said MAC PDU;
User terminal; Be used for according to the preset sign and the corresponding relation of RAR type; The affiliated RAR type of RAR that the sign of carrying in the MACPDU message header of definite reception is corresponding is confirmed the also parsing of the corresponding analysis mode of said RAR type according to the preset RAR type and the corresponding relation of analysis mode.
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