CN102176790B - Connection processing method in wireless communication system, wireless base station and wireless terminal - Google Patents

Connection processing method in wireless communication system, wireless base station and wireless terminal Download PDF

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CN102176790B
CN102176790B CN201110095264.6A CN201110095264A CN102176790B CN 102176790 B CN102176790 B CN 102176790B CN 201110095264 A CN201110095264 A CN 201110095264A CN 102176790 B CN102176790 B CN 102176790B
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processing
connection
connect
base station
connects
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CN102176790A (en
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田岛喜晴
大渕一央
田中良纪
河崎义博
太田好明
杉山胜正
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Fujitsu Ltd
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Fujitsu Ltd
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Abstract

The invention relates to a connection processing method in a wireless communication system, a wireless base station and a wireless terminal. In the wireless communication system, a wireless base station (10) performs control in the following way: in the case of not allowing the connection of a wireless terminal (2) conducting a connection request as the first connection processing, when the wireless terminal (20) conducts the connection request later, the second connection processing different from the first connection processing is applied.

Description

Connection processing method in wireless communication system, wireless base station and wireless terminal
The application is to be on April 28th, 2008 applying date, and application number is 200880128864.4, and what denomination of invention was the application for a patent for invention of " connection processing method in wireless communication system, wireless base station and wireless terminal " divides an application.
Technical field
The present invention relates to connection processing method, wireless base station and wireless terminal in wireless communication system.The present invention asks the wireless communication system connected with wireless base station sometimes by random access for wireless terminal.
Background technology
In wireless (movement) communication system that comprises the wireless terminals (travelling carriage) such as portable phone, current, the 3G (Third Generation) Moblie mode based on code division multiple access (CDMA, code division multiple access) mode has started service.On the other hand, also studying the next generation mobile communication mode that can realize communication more at a high speed.In 3rdGeneration Partnership Project (3GPP, the 3rd generation partner program), studying the next generation mobile communication mode, i.e. Long Term Evolution (LTE, Long Term Evolution).
In mobile communication system, as wireless base station (evolved Node B:eNB) with travelling carriage (User Equipment:UE) while starting to communicate by letter, the channel used in the time of can preparing UE and start to be sent to eNB.In 3GPP, this channel is called to Random Access Channel (RACH), the communication beginning process based on RACH is called to random access (RA).
Comprise the minimal information for for eNB, the transmission from UE being identified in RACH.And RACH is used when communication starts, and after this will use dedicated channel (or common signal channel), so, if use when a plurality of UE is different, can jointly use RACH by these UE.Therefore, applied the identifier that is called as signature (lead code) in RACH, thus, eNB can be identified the UE sent by RACH simultaneously.
Carry out the opportunity of RA as UE, when first transmission (sending signal) is arranged, when eNB receives signal when (while producing down link (DL) data), switching (handover), while connecting the recovery removing when communication (restart to have interrupted) etc.In addition, the wireless link of the direction from eNB to UE is down link (DL), and its rightabout wireless link is up link (UL).
Here, when first the transmission or while connecting the recovery after removing etc., have following situation: not to the UE that can't manage existence by eNB distribute can unique use dedicated signatures.This UE is that for example, RA is carried out in one of random selection from pre-prepd multiple (64 kinds) signature.Therefore, although probability is lower,, a plurality of UE still likely occur carry out the situation of RA with identical signature simultaneously.This RA method is called to contention based random access procedure (the RA process based on competition).
In this situation, eNB solves the signature (UE) that (selection) is at war with, and for selected UE, is responded.UE, according to the described response received from eNB, judges that whether self is selected by eNB.The UE that selected by eNB continues to communicate (RA process) with eNB, carry out and eNB between wireless channel setting etc.The UE do not selected by eNB in the situation that wait after certain hour, carries out RA again.
In addition, in the situation that UE carries out the switching that the eNB to connecting destination is switched, if produce the conflict of this signature, can cause connecting hit, and can cause in some cases communication to be cut off.Therefore, in LTE, proposed in advance the UE switched to be distributed the scheme of dedicated signatures.This RA method is called to non-contention based random access procedure (the RA process based on non-competing).
Non-patent literature 1:3GPP TR25.913 V7.3.0 (2006-03)
Non-patent literature 2:3GPP TS36.300 V8.4.0 (2008-03)
Be chosen as to connect by eNB and set up object even carried out the UE of the RA based on competition, this UE is not also allowed to connect by eNB sometimes.For example, in the situation that the traffic is large, eNB refuses or retains the connection of new UE sometimes.
In this case, UE for example can again carry out for the connection of eNB and process (RA) after certain hour, and still, eNB does not manage the UE selected in former RA process.Therefore, in the prior art, the lower execution of the condition (process) that the UE selected by eNB in RA process in the past just can be equal at other UE with not being selected is connected processing (RA).
Summary of the invention
One of purpose of the present invention is, shortens between wireless terminal and wireless base station the time before connecting.
In addition, be not limited to above-mentioned purpose, the action effect that performance is derived according to each structure shown in execution mode described later, the action effect that performance can't obtain by prior art, be also one of other purposes of the present invention.
For example, use following means.
(1) can use the connection processing method in a kind of wireless communication system, this wireless communication system has wireless terminal and wireless base station, described wireless base station is controlled as follows: in the situation that do not allow by the 1st, to connect the connection of processing the wireless terminal that has carried out connection request, while after described wireless terminal, carrying out connection request, application and the described the 1st connects the 2nd different connection of processing and processes.
(2) can use the wireless base station in a kind of wireless communication system, this wireless communication system has wireless terminal and this wireless base station, this wireless base station has control part, this control part is controlled as follows: in the situation that do not allow by the 1st, to connect the connection of processing the wireless terminal that has carried out connection request, while after described wireless terminal, carrying out connection request, application and the described the 1st connects the 2nd different connection of processing and processes.
(3) can use the wireless terminal in a kind of wireless communication system, this wireless communication system has this wireless terminal and wireless base station, this wireless terminal has control part, this control part is accepted following control from described wireless base station: in the situation that described wireless base station does not allow the connection that connects the connection request of processing execution by the 1st, when carrying out connection request to described wireless base station afterwards, application and the described the 1st connects processes the 2nd different connection processing.
According to disclosed technology, can shorten wireless terminal set up with wireless base station between be connected before time.
The accompanying drawing explanation
Fig. 1 is the sequential chart that an example of the RA process based on competition is shown.
Fig. 2 is the sequential chart that an example of the RA process based on non-competing is shown.
Fig. 3 is the block diagram of an example that wireless (movement) communication system of the 1st execution mode is shown.
Fig. 4 is the sequential chart of an example of action (RA process) of the wireless communication system of explanation the 1st execution mode.
Fig. 5 is the flow chart of an example of RA process of the wireless base station (eNB) of explanation the 1st execution mode.
Fig. 6 is the flow chart of an example of RA process of the wireless terminal (UE) of explanation the 1st execution mode.
Fig. 7 is the flow chart of an example of RA process of the eNB of explanation the 2nd execution mode.
Fig. 8 is the flow chart of an example of RA process of the UE of explanation the 2nd execution mode.
Fig. 9 is the flow chart of an example of RA process of the eNB of explanation the 3rd execution mode.
Figure 10 is the flow chart of an example of RA process of the UE of explanation the 3rd execution mode.
Figure 11 is the flow chart of an example of RA process of the eNB of explanation the 4th execution mode.
Figure 12 is the flow chart of an example of RA process of the UE of explanation the 4th execution mode.
Figure 13 is the sequential chart of an example of RA process of the wireless communication system of explanation the 5th execution mode.
Figure 14 is the flow chart of an example of RA process of the eNB of explanation the 5th execution mode.
Figure 15 is the flow chart of an example of RA process of the UE of explanation the 5th execution mode.
Figure 16 is the flow chart of an example of RA process of the eNB of explanation the 6th execution mode.
Figure 17 is the flow chart of an example of RA process of the UE of explanation the 6th execution mode.
Figure 18 is the flow chart of an example of RA process of the eNB of explanation the 7th execution mode.
Label declaration
10 wireless base stations (eNB); 11 dual-mode antennas; 12 transmitters; 13 receivers; 14 control parts; 141RNTI management department; 142 lead code management departments; 143 congested monitoring units; 144 telecommunication management sections; 20 wireless terminals (UE); 21 dual-mode antennas; 22 transmitters; 23 receivers; 24 control parts; 241RNTI management department; 242 lead code management departments; 244 telecommunication management sections.
Embodiment
Below, with reference to accompanying drawing, execution mode is described.Wherein, the following execution mode of explanation illustration only, its purpose not lying in forecloses following various distortion of not expressing and technology application.That is, present embodiment can be carried out various distortion (combination of each embodiment etc.) and implemented in the scope that does not break away from its purport.
[1] the 1st execution mode
At first, use Fig. 1 and Fig. 2 that the already described RA process based on competition and the RA process based on non-competing are described.Fig. 1 shows the RA process based on competition, and Fig. 2 shows the RA process based on non-competing.
(1.1) the RA process based on competition
In the illustrated RA process based on competition of Fig. 1, UE is the random signature that will use of selecting from pre-prepd a plurality of signatures, sends the message (Msg1:RA lead code) that comprises selected signature to eNB by RACH.
ENB, receiving the RA lead code (signature) of sending from UE, returns to the RA response (Msg2) for this RA lead code.This RA response is for example to send with the common signal channel of DL.And, can comprise one or more signatures that eNB successfully receives (differentiations) in this RA response, permit with the transmission of the common signal channel of this corresponding UL that signs, the identifier of distribution etc. temporarily in order to identify object (UE) that later RA communicates by letter.This identifier is called as temporary-connection radio network temporary identifier (T-CRNTI, interim connecting wireless network temporary indentification).
UE, receive RA response (Msg2) from eNB, confirms in this reception information whether to comprise the signature sent by described RA lead code (Msg1).In the situation that comprise, the transmission license that UE is corresponding according to the signature with self sending comprised in this RA response, carry out the transmission (Scheduled Transmission, scheduled transmission) of the message (Msg3) of UL.Can comprise temporary mobile subscriber identity (TMSI, interim mobile client identifier) as an example of the identiflication number of UE etc. in this message (Msg3).
Here, in described RA lead code (Msg1), UE is used the random signature of selecting, so, a plurality of UE may occur use same signature to send the situation of RA lead code (Msg1) to eNB simultaneously.
In this situation, eNB can't be differentiated these UE, still, receives the identiflication number (TMSI) sent by described ScheduledTransmission (Msg3) by UE, can be identified in thus between which UE 20 competition that has produced signature, and solve competition.ENB, to solve the UE selected by competition, returns to response (Msg4).This response (Msg4) is called as Contention Resolution (competition solves).
The UE that receives this response (Msg4) continues to communicate with eNB.Now, in UE communication afterwards, use described T-CRNTI as cell-RNTI (C-RNTI).On the other hand, by eNB, do not selected and the UE that do not receive Msg4 again from carrying out at first above-mentioned RA process (resending Msg1).
(1.2) the RA process based on non-competing
On the other hand, in the illustrated RA process based on non-competing of Fig. 2, not to select randomly signature by UE, but eNB selects special-purpose signature for UE, and prenotice (distribution) to UE (Msg0:Random Access (RA) Preamble Assignment, random access (RA) lead code is distributed).
UE is used the dedicated signatures of being distributed by eNB in response to this notice (Msg0), for eNB, carry out RA.That is, UE sends the message (Msg1:RA lead code) that comprises pre-assigned dedicated signatures to eNB by RACH.
ENB, receive this RA lead code (Msg1) from UE, sends communicate by letter synchronizing signal and the UL corresponding with dedicated signatures of use of UL license and waits together with RA for this RA lead code responds (Msg2) and return to UE.
Like this, in the RA process based on non-competing, in advance UE has been distributed to the signature used in the transmission of RA lead code, so, with the situation of RA process based on competition, comparing, UE can connect with eNB quickly.If identified in advance the existence of (management) UE by eNB, can from sending to UE, just start the RA process, so, can apply the RA process based on non-competing.
But, in the illustrated RA process based on competition of Fig. 1, as mentioned above, even UE is chosen as to connect by eNB, set up object, sometimes also due to the former of eNB thereby can't connect with eNB.For example, as situation about producing in eNB so congested.
In this case, eNB means not allow to connect the message " radio resource control (RRC) connection reject, Radio Resource control connection refusal " of (refusal or reservation) to the UE notice, as described Msg4.Can comprise the information relevant with the timing (stand-by time) that should again carry out RA in this message.
Therefore, the UE that receives this RRC connection refusal (Msg4) can again carry out RA after described stand-by time.But this UE has been selected by eNB 10 but due to the former of eNB 10 thereby cause connecting, so, carry out (again from carrying out at first) RA (being connected processing) at other UE with without differentiating under equal condition and be short of fairness.
Therefore, in this example, controlled as follows: for according to as the 1st, connecting the RA process based on competition of processing (mode) example, to eNB, having carried out connection request but be not allowed to the UE connected, while after this UE, to eNB, carrying out connection request, application and the 1st connects the 2nd different connection of processing (mode) and processes (mode).
For example, when eNB refuses or retains the situation of its connection in the notice of the UE to having differentiated, notice (distribution) means that this UE can accept the preferential information (prior information) of controlling that connects.As an example of this prior information, can adopt the assignment information, time (regularly) information etc. of Radio Resource of transmission license, the UL of sign (flag) information, dedicated signatures, the UL of 1 bit~several bits.UE, according to the described prior information received from eNB, carries out to connect and processes (RA).That is, the notice (distribution) that UE accepts described prior information from eNB, accept described control from eNB thus.
In other words, UE 20 for the connection request that has carried out the stochastic signature based on as the 1st information one example, in the situation that eNB 10 does not allow the connection of this UE 20, when after UE 20 while being sent to eNB 10, the described prior information that eNB 10 distributes as the 2nd information one example to UE 20, this prior information has been applied than the easier licensed connection procedure of the situation based on described stochastic signature.Then, this UE 20 carries out the transmission of the 2nd information based on described distribution for eNB 10.Furthermore, with described the 1st information, compare, described the 2nd information be and other UE 20 between competition produce the information that probability is lower, thus, can apply the Connection Step of described easy licensed connection.
Thus, in the situation that carry out to connect after the UE that is not allowed to connect by eNB, process (RA), this UE can have precedence over other UE and connect with eNB quickly.Therefore, can reduce connection delay and cut off generation.
Below, with reference to Fig. 3~Fig. 6, specific embodiment is described.
(1.3) system configuration example
Fig. 3 is the block diagram of an example that wireless (movement) communication system of the 1st execution mode is shown.The illustrated system of this Fig. 3 has: as the UE 20 of the eNB 10 of an example of wireless base station and the example as wireless terminal (travelling carriage) that communicates via wireless link and eNB 10 in the wireless zone of eNB 10.
In this Fig. 3, be the situation of paying close attention to an eNB 10 and a UE 20, but, in described wireless communication system, can have respectively a plurality of eNB 10 and UE 20.The wireless channel that comprises DL and UL in described wireless link.In the wireless channel of described DL and UL, can comprise respectively the dedicated channel that the common signal channel shared by a plurality of UE and each UE can unique uses.
In addition, about the structure of illustrated eNB 10 and UE 20 in Fig. 3, in the 2nd~7th execution mode of back, unless otherwise specified, can be also identical.And this routine wireless base station 10 is assumed to be have radio network control apparatus part or all function, the eNB in LTE of (RNC), still, can be also (the not embedding the RNC function) base station in the epoch before LTE.In addition, so long as stipulated to use the base station of the RA process of signature, can be the base station of any system.
(explanation of eNB)
ENB 10 for example has dual-mode antenna 11, transmitter 12, receiver 13 and control part 14.
The wireless signal of the UE 20 receivable DL that exist in the wireless zone (community or sector) provided by eNB 10 is provided dual-mode antenna 11 (following sometimes also referred to as " antenna 11 "), on the other hand, receive the wireless signal of the UL sent by UE 20.
Transmitter 12 is implemented predetermined transmission processing for the transmission data that mail to UE 20 (comprise user data, control data etc.), generates the signal of wireless channel, to dual-mode antenna 11 outputs.Described transmission processing is such as comprising: the coding of the transmission data of DL, the modulation of coded data, make modulation signal be mapped in the frame of predetermined channel, the frequency inverted that makes frame signal is to the power amplification of wireless frequency (up-conversion) and radio frames etc.As described radio frames, for example can adopt (the OFDM based on Orthogonal Frequency Division Multiplexing, OFDM) or the radio frames of Orthogonal Frequency Division Multiple Access (OFDMA, OFDM).
Receiver 13 is implemented predetermined reception & disposal for the wireless signal (radio frames) of the UL received by antenna 11, obtains the data (comprise user data, control data etc.) of the UL sent by UE 20.Described reception & disposal is such as comprising: receive signal low noise amplification, make frequency inverted to base band frequency (down-conversion), gain adjustment, demodulation and decoding etc.
The described transmission processing of 14 pairs of transmitters 12 of control part and the described reception & disposal of receiver 13 are controlled.Control by this, the transmitting-receiving of the message used in already described RA process is regularly waited and controlled.Therefore, control part 14 for example has RNTI management department 141, lead code management department 142, congested monitoring unit 143 and telecommunication management section 144.
RNTI management department 141 is for each UE 20, and the RNTI of identifying information one example as UE 20 is managed.Described management comprises for the distribution of the signature of UE 20 and release.RNTI comprises T-CRNTI, C-RNTI.
The RA lead code (signature) of using in RA process between 142 pairs of lead code management departments and UE 20 manages.In LTE, prepared the signature of 6 bits (64 kinds), share these signatures in described two kinds of RA processes (the RA process based on competition and the RA process based on non-competing).The signature of being selected at random by UE 20 in will the RA process based on competition and using be called stochastic signature, and the signature of selecting and distribute to UE 20 by eNB 10 in the RA process based on non-competing is called to dedicated signatures.Stochastic signature is the information of being selected by UE 20, thus it be possible and other UE 20 between the information of competing.On the other hand, dedicated signatures is that the eNB10 of existence by management UE 20 allocates the information to each UE 20 in advance, thus it be not can and other UE 20 between the competition, the information each UE 20 special uses that produce.
Congested monitoring unit 143 monitors the message volume of eNB 10 etc., monitors and has or not the generation congestion state thus.Produced congestion state in the situation that be judged as, congested monitoring unit 143 is notified this situation to telecommunication management section 144.
Telecommunication management section 144 cooperates with RNTI management department 141, lead code management department 142 and congested monitoring unit 143, and the described transmission processing of transmitter 12 and the described reception & disposal of receiver 13 are controlled.For example, telecommunication management section 144 cooperates with RNTI management department 141, the transmitting-receiving of the message that is comprised RNTI (generate, extract), or cooperate with lead code management department 142, the transmitting-receiving of the message that is comprised signature (generate, extract).
And, in the situation that confirm congestion state by congested monitoring unit 143, telecommunication management section 144 is for be selected as connecting the UE 20 that sets up object in the RA process, generate and notify the message (RRC connection reject, RRC connects refusal) that means its connection of refusal or retain its connection.Now, telecommunication management section 144 can notify the UE 20 that means described selection can accept the preferential information (prior information) of controlling that connects in the lump.Thus, can be controlled as follows: while after the not licensed UE 20 of described connection, to eNB 10, carrying out connection request, adopt from the connection of last time and process the 2nd different connection processing.
In addition, telecommunication management section 144 Radio Resource of the use in (communication while also comprising RA) of communicating by letter between management and UE 20 by way of parenthesis also.For example, the UL used in communicating by letter between 144 pairs, telecommunication management section and UE 20 and the Radio Resource [channel frequency and time (transmitting-receiving regularly) etc.] of DL and distributing manages.In the situation that applied the form of OFDMA mode in described radio frames, the management of described Radio Resource is equivalent to the configuration (mapping) in the two dimension transmitting-receiving zone (being called as burst (burst)) by sub-channel frequencies and symbol time regulation is managed.
(explanation of UE)
On the other hand, the UE shown in Fig. 3 20 for example has dual-mode antenna 21, transmitter 22, receiver 23 and control part 24.
Dual-mode antenna 21 (following sometimes also referred to as " antenna 21 ") is received in the wireless signal of the DL sent by eNB 10 in the wireless zone (community or sector) that eNB 10 provides, on the other hand, the wireless signal of the UL that mails to eNB 10 sent.
Transmitter 22 sends data (comprise user data, control data etc.) for the UL that mails to eNB 10 and implements predetermined transmission processing, generates the signal of wireless channel, to dual-mode antenna 21 outputs.Described transmission processing is such as comprising: the coding of the transmission data of UL, the modulation of coded data, make modulation signal be mapped in the frame of predetermined channel, the frequency inverted that makes frame signal is to the power amplification of wireless frequency (up-conversion) and radio frames etc.
Receiver 23 is implemented predetermined reception & disposal for the DL wireless signal (radio frames) received by antenna 21, obtains the DL data (comprise user data, control data etc.) of being sent by eNB 10.Described reception & disposal is such as comprising: receive signal low noise amplification, make frequency inverted to base band frequency (down-conversion), gain adjustment, demodulation, decoding etc.
The described transmission processing of 24 pairs of transmitters 22 of control part and the described reception & disposal of receiver 23 are controlled.Control by this, the information receiving and transmitting used in already described RA process is regularly waited and controlled.Therefore, control part 24 for example has RNTI management department 241, lead code management department 242 and telecommunication management section 244.
241 couples of RNTI as identifying information one example of the machine (UE 20) of RNTI management department manage.RNTI comprises T-CRNTI, C-RNTI.
The random access lead code (signature) used in RA process between 242 management of lead code management department and UE 20.Signature comprises: the stochastic signature of being selected at random by UE 20 in the RA process based on competition and the dedicated signatures of notifying in advance (distribution) in the RA process based on non-competing from eNB 10.
Telecommunication management section 244 cooperates with RNTI management department 241 and lead code management department 242, and the described transmission processing of transmitter 22 and the described reception & disposal of receiver 23 are controlled.For example, telecommunication management section 244 cooperates with RNTI management department 241, the transmitting-receiving of the message that is comprised RNTI (generate, extract), or cooperate with lead code management department 242, the transmitting-receiving of the message that is comprised signature (generate, extract).
And, meaning that in the situation that notified refusal connects or retain message (RRC connection reject) and the described prior information connected, telecommunication management section 244 carries out RA according to this prior information for eNB 10.Thus, even in the situation that licensed connection not in 1RA, this UE 20 after 2RA in also can be by eNB 10 priority treatment.
In addition, telecommunication management section 244 Radio Resource of the use in (communication while also comprising RA) of communicating by letter between management and eNB 10 by way of parenthesis also.For example, the Radio Resource of 244 couples of UL that distribute from eNB 10 of telecommunication management section and DL [channel frequency and time (transmitting-receiving regularly) etc.] manages.In the situation that applied the form of OFDMA mode in described radio frames, the management of described Radio Resource is equivalent to the configuration (mapping) in the two dimension transmitting-receiving zone (burst) by sub-channel frequencies and symbol time regulation is managed.
(action specification)
Below, and describe the action (RA process) of this routine wireless communication system (eNB 10, UE20) as constructed as above in detail with Fig. 4~Fig. 6.Wherein, Fig. 4 is the sequential chart that RA process one example between eNB 10 and UE 20 is shown, and Fig. 5 is the flow chart that an example of the RA process in eNB 10 is shown, and Fig. 6 is the flow chart that an example of the RA process in UE 20 is shown.
UE 20 when first the transmission or while connecting the recovery after removing etc., carries out the RA process based on competition.; UE 20 (telecommunication management section 244) is the random signature that will use of selecting from the signature by 242 management of lead code management department; using selected signature as RA lead code (Msg1), by RACH, send to eNB 10 (processing 101 of Fig. 4 and the processing 2010 of Fig. 6).
On the other hand, eNB 10 (telecommunication management section 144) periodically monitors the reception (the "No" branch road of the processing 1010 of Fig. 5) of the described RA lead code (Msg1) of being sent by UE 20.When confirming the reception of RA lead code (Msg1) (the "Yes" branch road of the processing 1010 of Fig. 5), eNB 10 (telecommunication management section 144) generates and returns for RA response (Msg2) (processing 102 of Fig. 4 and the processing 1011 of Fig. 5) that receives RA lead code (Msg1).
As mentioned above, for example with the common signal channel of DL, send this RA response (Msg2).And, comprise one or more signatures that eNB 10 (telecommunication management section 144) differentiated in this RA response, with the identifier (T-CRNTI) of the transmission license of the common signal channel of this corresponding UL that signs and the interim distribution in order to identify that later RA communicates by letter etc.
UE 20 (telecommunication management section 244), receive RA response (Msg2) from eNB 10 (processing 2011 of Fig. 6), confirms in this reception information whether to include the signature sent by described RA lead code (Msg1).In the situation that comprise, the transmission license that UE 20 (telecommunication management section 244) is corresponding according to the signature with self sending comprised in this RA response (Msg2), carry out the transmission (Scheduled Transmission) (processing 103 of Fig. 4 and the processing 2012 of Fig. 6) of the message (Msg3) of UL.Include TMSI as identiflication number one example of UE 20 etc. in this message (Msg3).
ENB 10 (telecommunication management section 144), after having sent described RA response (Msg2), monitors the transmission based on described transmission license (receiving Msg3) (the "No" branch road of the processing 1012 of Fig. 5) whether existed from UE 20.After the reception that confirms described Msg3 (the "Yes" branch road of the processing 1012 of Fig. 5), eNB 10 (telecommunication management section 144) confirms that the UE 20 that could identify with TMSI based on comprising in this Msg3 is connected (setting up link) (processing 1013 of Fig. 5).
For example, if confirming, congested monitoring unit 143 do not produce congestion state, eNB 10 (telecommunication management section 144) is judged as and can connects, and to UE 20, returns to the response (Msg4:Contention Resolution, competition solves) for described Msg3.
The UE 20 (telecommunication management section 244) that receives this response (Msg4) continues to communicate with eNB 10.Now, UE is (C-RNTI) using described T-CRNTI as cell-RNTI, in order to use in communication afterwards.Thus, set up being connected of eNB 10 and UE 20 (from the "Yes" branch road of the processing 1013 of Fig. 5 to process 1014 and from the "Yes" branch road of the processing 2013 of Fig. 6 to processing 2014).
On the other hand, if confirming, eNB 10 (congested monitoring unit 143) produced described congestion state, eNB10 (telecommunication management section 144) is judged as and can not connects, and the RRC that sends (notice) subsidiary prior information to this UE 20 connects refusal (RRC connection reject) message (Msg4) (processing 104 of Fig. 4 and the processing 1015 of Fig. 5).
UE 20 (telecommunication management section 244), after receiving described Msg4, confirms whether to have added prior information (processing 2015 of Fig. 6) in this Msg4.If added described prior information (the "Yes" branch road of the processing 2015 of Fig. 6), UE 20 (telecommunication management section 244) is when the RA again carried out based on competition, in the message that is equivalent to RA lead code (Msg1) (Msg1-2), additional this prior information, send to eNB 10 (processing 105 of Fig. 4 and the processing 2016 of Fig. 6).
If added described prior information the RA lead code received from UE 20, eNB 10 (telecommunication management section 144) identifies that the UE 20 that has sent this message had differentiated before being but UE20 that its connection is rejected or retains.Here, the RA lead code of subsidiary prior information is the specific information of UE 20 in some sense.Therefore, and the generation of the competition between the RA lead code of other UE 20 probability is low, with the situation of using the RA lead code, compares, and easily by eNB 10, is chosen as the UE 20 permitted.
ENB 10 (telecommunication management section 144) is judged as this UE 20 should carry out the UE 20 that (controlling as the application 2RA different from 1RA) controlled in preferential connection.Then, have precedence over and sent the not UE 20 of the RA lead code (Msg1) of additional prior information, eNB 10 (telecommunication management section 144) sends to UE 20 message (Msg2-2) (processing 106 of Fig. 4) that is equivalent to RA response (Msg2).
Like this, according to this example, in the RA of the RA process based on competition, although say for by eNB 10, being differentiated because of the former of eNB 10 thereby be rejected or retained the UE connected, while after this UE, again carrying out RA, can accept preferential processing (connect and control).Therefore, can shorten and start communication (connecting) front time.
[2] the 2nd execution modes
In the above-described embodiment, in the implementation of the RA process based on competition, eNB 10 (telecommunication management section 144), when to UE 20 notices, meaning refusal or retaining the message (Msg4:RRC connection reject) connected, has also notified prior information in the lump.On the other hand, in this example, such as illustrated in Figure 7, under same condition, eNB 10 (telecommunication management section 144) is another the routine dedicated signatures (processing 1025) as prior information to UE 20 notices.
If added dedicated signatures in the Msg4 received, UE 20 (telecommunication management section 244) is when again carrying out RA, to eNB 10, sends the RA lead code (Msg1) that comprises this dedicated signatures (from the "Yes" branch road of the processing 2025 of Fig. 8 to processing 2026).That is, UE 20, when again carrying out RA, can be used the illustrated RA process based on non-competing of Fig. 2.
Therefore, with other UE 20 of the RA that newly carries out the RA process based on competition, compare, it is lower that competition between the RA lead code of this UE 20 and other UE 20 produces probability, so, its differentiation success rate in eNB 10 (telecommunication management section 144) improves, and can accept processing (connect and control) more preferably.
In addition, the processing 1010 of the illustrated eNB 10 of Fig. 7 (telecommunication management section 144)~process 1014 is the processing that are equal to respectively with the illustrated processing 1010~1014 of Fig. 5.And the processing of the processing 2010~2014 of the illustrated UE 20 of Fig. 8 (telecommunication management section 244) is the processing that are equal to respectively with the illustrated processing 2010~2014 of Fig. 6.
[3] the 3rd execution modes
As mentioned above, as an example of the identifier of using in the communication after connecting, eNB 10 distributes to UE 20 identifier that is called as C-RNTI.This distribution is for example to use to the described Msg4 (Contention Resolution) sent by the UE 20 after eNB 10 differentiations to carry out.
In this example, in the situation that eNB 10 means to UE 20 notices the Msg4 (RRC connection reject) that refusal or reservation connect, also can carry out the distribution of C-RNTI.Thus, UE 20 no longer needs to accept the sub-distribution again of C-RNTI when again carrying out RA, so, can shorten and start communication (connecting) front time.
For example, in the RA process based on competition, utilize by RA respond (Msg2) from eNB 10 to UE the 20 interim identifiers (T-CRNTI) of notifying.; eNB 10 in RNTI management department 141, will respond by RA (Msg2) notice to the T-CRNTI of UE 20 with in the 2nd execution mode, together with Msg4 (RRC connection reject), notify dedicated signatures to UE 20 to associate to manage.On the other hand, the T-CRNTI that UE 20 also will notify from eNB 10 in RNTI management department 241 and dedicated signatures associate and manage.
Thus, UE 20 again carries out RA (as the RA lead code in the RA process based on non-competing, send dedicated signatures to eNB10) situation under, can be using the T-CRNTI that carried out described association as C-RNTI, so as after to connect with eNB 10 between communicate by letter in use.Therefore, need to again not distribute C-RNTI (T-CRNTI) for UE 20 from eNB 10, can shorten the time before communication starts.
Fig. 9 shows the action case of this routine eNB 10, and Figure 10 shows the action case of UE 20.
As shown in figure 10, UE 20 (telecommunication management section 244) is in the situation that carry out the RA process based on competition, the random signature that will use of selecting the signature of managing from lead code management department 242, using selected signature as RA lead code (Msg1), by RACH, send to eNB 10 (processing 2030).
On the other hand, as shown in Figure 9, eNB 10 (telecommunication management section 144) periodically monitors the reception (processing 1030 "No" branch road) of the described RA lead code (Msg1) of being sent by UE 20.(process 1030 "Yes" branch road) after the reception that confirms RA lead code (Msg1), the telecommunication management section 144 of eNB 10 cooperates with lead code management department 142, confirms whether the RA lead code (signature) received is dedicated signatures (processing 1031).
If the signature received is not dedicated signatures (processing 1031 "No" branch road), the telecommunication management section 144 of eNB 10 cooperates with RNTI management department 141, to one or more UE 20 distribution T of having differentiated-CRNTI (processing 1032).
Then, eNB 10 (telecommunication management section 144) generates the RA response (Msg2) for the RA lead code (Msg1) received from the described UE differentiated 20, returns to UE 20 (processing 1033).For example comprise one or more signatures after being differentiated by eNB 10 (telecommunication management section 144) in this RA response, permit and described T-CRNTI with the transmission of the common signal channel of this corresponding UL that signs.
As shown in figure 10, UE 20 (telecommunication management section 244), receive RA response (Msg2) from eNB 10 (processing 2031), confirms in this reception information whether to comprise the signature sent by described RA lead code (Msg1).In the situation that comprise, UE 20 (telecommunication management section 244), according to that comprise in this RA response (Msg2), corresponding with the signature self sent transmission license, carries out the transmission (Scheduled Transmission) (processing 2032) of the message (Msg3) of UL.Include TMSI as identiflication number one example of UE 20 etc. in this message (Msg3).
On the other hand, as shown in Figure 9, eNB 10 (telecommunication management section 144), after having sent described RA response (Msg2), monitors whether from UE 20, receive described Msg3 (processing 1034 "No" branch road).(process 1034 "Yes" branch road) after the reception that confirms described Msg3, eNB 10 (telecommunication management section 144) confirms that the UE 20 that could identify with the TMSI based on comprising in this Msg3 is connected (setting up link) (processing 1035).
For example, if congested monitoring unit 143 confirms, do not produce congestion state, eNB 10 (telecommunication management section 144) is judged as and can connects, and generates the response (Msg4:Contention Resolution) for described Msg3, returns to UE 20.
The UE 20 (telecommunication management section 244) that receives this response (Msg4) continues to communicate with eNB 10.Now, UE 20 is (C-RNTI) using described T-CRNTI as cell-RNTI, so as after with eNB 10 between communicate by letter in use.Thus, set up being connected between eNB 10 and UE 20 (from the "Yes" branch road of the processing 1035 of Fig. 9 to process 1036 and from the "Yes" branch road of the processing 2033 of Figure 10 to processing 2035).
On the other hand, as shown in Figure 9, if eNB 10 (congested monitoring unit 143) confirm produced described congested, eNB 10 (telecommunication management section 144) is judged as and can not connects, and sends (notice) RRC to this UE 20 and connects refusal (Msg4) and dedicated signatures (processing 1037).And telecommunication management section 144 cooperates with RNTI management department 141 and lead code management department 142, described dedicated signatures is associated and manages (processing 1038) with the T-CRNTI distributed in described processing 1032.
As shown in figure 10, UE 20 (telecommunication management section 244), after receiving described Msg4, confirms whether to comprise dedicated signatures (processing 2034 "No" branch road) in this Msg4.If comprise dedicated signatures (processing 2034 "Yes" branch road), telecommunication management section 244 cooperates with RNTI management department 241 and lead code management department 242, and this dedicated signatures is associated and manages (processing 2036) with the T-CRNTI received by described response (Msg2).
Then, UE 20 (telecommunication management section 244) is used the dedicated signatures by described Msg4 notice, again carries out the random access (processing 2037) for eNB 10.That is, UE 20 (telecommunication management section 244) carries out the RA (to eNB 10, sending the RA lead code that comprises dedicated signatures) of the RA process based on non-competing.
After eNB 10 (telecommunication management section 144) normally receives and identifies this RA lead code (dedicated signatures), telecommunication management section 144 does not carry out the sub-distribution again of T-CRNTI, but generate the RA response (Msg2) for described dedicated signatures, return to UE 20 (from the "Yes" branch road of the processing 1031 of Fig. 9 to processing 1033).For example comprise the transmission license of the common signal channel of the UL corresponding with this dedicated signatures in this RA response.
After, processing 2031 shown in UE 20 (telecommunication management section 244) execution Figure 10~process 2033, receive to mean the response (Msg4) that can connect from eNB10, set up thus with eNB 10 between be connected (from processing 2033 "Yes" branch road to processing 2035).Now, UE 20 will carry out T-CRNTI after described association as cell-RNTI (C-RNTI), so as afterwards with eNB 10 between communicate by letter in use.
Like this, according to this example, distribute to the T-CRNTI of UE 20 in will the RA process based on competition and associate with the dedicated signatures of distributing to UE 20 for the random access of again carrying out the RA process based on non-competing.Therefore, while again carrying out RA, need to be for UE 20 distribution T-CRNTI (C-RNTI) again, can further shorten the time started before communication.
[4] the 4th execution modes
As mentioned above, about the signature used, prepared 6 bits (64 kinds) in LTE in RA, and shared these signatures in based on competition/non-competing RA.Therefore, also there is the limit in dedicated signatures, wishes to avoid as much as possible specific UE 20 to occupy the situation of specific dedicated signatures between long-term.
Therefore, as mentioned above, also can be in the random access of the RA process based on non-competing in order again to carry out UE 20 and, in the dedicated signatures of distributing to UE 20 by eNB 10, be set valid expiration date.This valid expiration date can be fixed value, can be also variable value.In the situation that be variable value, it is included in together with described dedicated signatures to RRC and connects in refusal (Msg4), can notify to UE 20 thus.For example, in eNB 10, by lead code management department 142, manage valid expiration date, in UE 20, by lead code management department 242, manage valid expiration date.
Figure 11 shows the action case of this routine eNB 10, and Figure 12 shows the action case of UE 20.If Figure 12 and Figure 10 and Figure 11 and Fig. 9 are compared known, increased and processed 2038 for UE 20 (telecommunication management section 244), and increased and processed 1039 for eNB 10 (telecommunication management section 144).
; as shown in figure 12; in the situation that comprise dedicated signatures (processing 2034 for the situation of "Yes") the Msg4 received from eNB 10 (RRC connection reject); only limit to (process 2038 for the situation of "Yes") within valid expiration date, UE 20 (telecommunication management section 244) just implements described processing 2036 and processes 2037.That is dedicated signatures and the T-CRNTI that, will be distributed by eNB 10 associate and send this dedicated signatures (again carrying out the random access of the RA process based on non-competing).If not within valid expiration date, UE 20 (telecommunication management section 244) enters the state (processing 2038 "No" branch road) received from the RA response (Msg2) of eNB 10 of waiting for.
On the other hand, as shown in figure 11, only limit in the situation that receive the dedicated signatures (RA lead code) in valid expiration date from UE 20, eNB 10 (telecommunication management section 144) just generate, send RA response (Msg2) for this dedicated signatures (from process 1031 and process 1039 "Yes" branch road to processing 1033).In the situation that the valid expiration date of the dedicated signatures received finishes, eNB 10 (telecommunication management section 144) enters the state (processing 1039 "No" branch road) that receives other RA lead codes of waiting for.The dedicated signatures that valid expiration date can have been finished is distributed to other UE 20.
Like this, in the dedicated signatures of distributing to UE20 by eNB 10 in the random access in order again to carry out the RA process based on non-competing, be provided with valid expiration date, can realize thus effective utilization of signature.
[5] the 5th execution modes
In the situation that UE 20 again start with eNB 10 between interrupt communicate by letter, the data of for example UL send, in order to eNB 10, to carry out sending request of UL, this UE 20 need to be received in the distribution of the Radio Resource that sends request middle use of UL.In this case, for the UE 20 that connects refusal (Msg4) for notified RRC in the RA process based on competition, with the situation from re-starting at first RA process (carrying out the transmission of Msg1), compare, if can from after processing again, the delay before can reducing to connect.
Figure 13 shows the RA sequential as the one example.As shown in Figure 13, eNB 10 (telecommunication management section 144), when to UE 20 notice RRC, connecting refusal (Msg4) (processing 104), (sends license: UL Grant) be included in this Msg4 by the assignment information of the middle Radio Resource that will use of sending request of UL.Also can comprise the information relevant with the timing (stand-by time) that should again carry out RA (UL transmission) in this transmission license.
Thus, UE 20 (telecommunication management section 244) through with the corresponding certain hour of described stand-by time after timing, the Radio Resource that use distributes according to described assignment information, the UL that carries out the transmission license based on by described Msg4 notice sends (transmission is equivalent to the Msg3-2 of Msg3) (processing 103 ').; although for being differentiated by eNB 10 but because of the former of eNB 10 thereby be rejected or retained the UE 20 connected and say; can from the UL transmission (transmission processing 103 that is equivalent to Msg3) that sends license based on UL, again carry out RA, rather than again carry out RA from the transmission (processing 101) of RA lead code (Msg1).
Figure 14 and Figure 15 show respectively the eNB 10 of this RA order of enforcement and the action case of UE 20.In addition, the processing 1010 of the eNB shown in Figure 14 10 (telecommunication management section 144)~process 1014 is and the processing 1010 shown in Fig. 5~process 1014 processing that are equal to respectively.And the processing 2010 of the UE 20 shown in Figure 15 (telecommunication management section 244)~process 2014 is and the processing 2010 shown in Fig. 6~process 2014 processing that are equal to respectively.
As shown in figure 14, eNB 10 (telecommunication management section 144) is when connecting refusal (Msg4) to UE 20 notice RRC, the transmission sent request of UL license (UL Grant, UL license) is included in this Msg4 and sends to UE 20 (from processing 1013 "No" branch road to processing 1045).Then, eNB 10 (telecommunication management section 144) enters the state that sends (Msg3) from the UL based on described UL license of UE 20 that receives of waiting for.
On the other hand, as shown in figure 15, UE 20 (telecommunication management section 244) connects refusal (Msg4) in the situation that receive described RRC from eNB 10, confirms whether comprise described UL license (processing 2044) in this Msg4.
If comprise described UL license in the Msg4 received, UE 20 (telecommunication management section 244) carries out UL based on this UL license and sends (Msg3) (from processing 2044 "Yes" branch road to processing 2012).If do not comprise UL license in the Msg4 received, UE 20 (telecommunication management section 244) carries out the transmission (from processing 2044 "No" branch road to processing 2010) of the RA lead code (stochastic signature) of the RA process based on competition again.
ENB 10 (telecommunication management section 144) is waiting under the state that receives described UL transmission (Msg3), if receive described Msg3 and can connect (non-congestion state), to corresponding UE 20, send the message (Msg4:Contention Resolution) that means to connect license, set up with this UE 20 between be connected (from process 1012 and process 1013 "Yes" branch road to processing 1014).
Like this, according to this example, although for being differentiated by eNB 10 but because of the former of eNB 10 thereby be rejected or retained the UE 20 connected and say, its can from the RA process based on competition (be equivalent to the transmission of Msg3) midway again carry out RA, rather than from again carrying out at first RA.Therefore, can shorten the time before connecting.
[6] the 6th execution modes
As mentioned above, there is the limit in the number of signatures that can use in RA, so, wish to avoid as much as possible UE repeatedly to carry out the situation of RA for more than 20 time.And after eNB 10 has sent RRC connection refusal (Msg4), congestion state is removed sometimes, eNB 10 can send the Msg4 that means that permission connects again.
Therefore, in this example, eNB 10 (telecommunication management section 144) for example, when to UE 20 notice RRC, connecting refusal (Msg4), comprises the information relevant with the transmission stand-by time again (retention time) of Msg4 (process from Figure 16 1013 "No" branch road to processing 1055).Retention time for example can be set as 1ms with the interior time.
Connect refusal (Msg4) (Figure 17 processes 2013 "No" branch road) but include retention time (information relevant with retention time) in the situation that UE 20 (telecommunication management section 244) receives RRC from eNB 10, UE 20 (telecommunication management section 244) thinks may again send Msg4 in this retention time, thereby directly enters holding state (from the processing 2054 of Figure 17 and process 2055 "Yes" branch road to processing 2013).
On the other hand, as shown in figure 16, eNB 10 (telecommunication management section 144) is after having notified RRC to connect refusal (Msg4) to UE 20, through (be judged to be in processing 1058 "No" before) before described retention time, monitor always and whether become the state that can allow connection (from processing 1056 the "No" branch road "Yes" branch road to processing 1058).
If in admissible state, eNB 10 (telecommunication management section 144) sends the Msg4 that means to allow to connect (from processing 1056 "Yes" branch road to processing 1057) to UE 20, set up with this UE 20 between be connected (processing 1014).
But, if do not becoming in the past and can allow the state connected through described retention time, eNB 10 (telecommunication management section 144) enters the state that receives other RA (lead code) waited for (process 1056 and process 1058 "No" branch road).
On the other hand, in the situation that again sent Msg4 through described retention time with forward direction UE 20 (telecommunication management section 244), UE 20 (telecommunication management section 244) proceeds the RA process according to the content of this Msg4.In the situation that the RRC received from eNB 10 does not comprise retention time connecting refusal (Msg4) or in the situation that again do not send Msg4 in retention time, UE 20 (telecommunication management section 244) carries out RA (process 2054, process 2055 "No" branch road) again.
In addition, the processing 1010 of the eNB shown in Figure 16 10 (telecommunication management section 144)~process 1014 is and the processing 1010 shown in Fig. 5~process 1014 processing that are equal to respectively.And the processing 2010 of the UE 20 shown in Figure 17 (telecommunication management section 244)~process 2014 is and the processing 2010 shown in Fig. 6~process 2014 processing that are equal to respectively.
As mentioned above, according to this example, by eNB 10, refused or retained the UE 20 connected to be controlled as the state that receives the information (Msg4) that means that permission connects of waiting at the appointed time, so, the situation that UE carries out RA for more than 20 time repeatedly can be suppressed.Therefore, can realize effective utilization of signature.
[7] the 7th execution modes
The number of times that can repeat RA to UE 20 arranges restriction (upper limit).The 1st execution mode of for example take is example, and as shown in figure 18, eNB 10 (telecommunication management section 144), when connecting refusal (Msg4) to UE 20 notice RRC, is counted its number of times at every turn.Then, only in the situation that its count value to be higher limit (limited number of times) following, eNB 10 (telecommunication management section 144) just sends the Msg4 that attaches prior information (from processing 1065 "Yes" branch road to processing 1066 and 1067).
Thus, can prevent that UE 20 from unnecessarily carrying out the situation of RA repeatedly.
In addition, the processing 1010 of the eNB shown in Figure 18 10 (telecommunication management section 144)~process 1014 is and the processing 1010 shown in Fig. 5~process 1014 processing that are equal to respectively.And the processing of UE 20 also can be identical with the processing 2010 shown in Fig. 6~process 2016.
[8] other
Can carry out appropriate combination to above-mentioned execution mode implements.For example, one or both in the 6th execution mode (retention time is set) and the 7th execution mode (counterweight retry places number arranges restriction) also can be applicable to above-mentioned the 1st~4th execution mode.

Claims (8)

1. the connection processing method in a wireless communication system, this wireless communication system has wireless terminal and wireless base station, and this connection processing method is characterised in that,
In described wireless base station, controlled as follows:
In the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, do not allow for opportunity with this, in the described the 1st connects processing, Radio Resource is processed to process for from described the 1st connection, processing the 2nd different connections in advance
And, in the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, while after described wireless terminal, carrying out connection request, apply the described the 2nd and connect processing,
Wherein, the described the 1st connects the process comprised being processed for the described the 1st Radio Resource that connects the up transmission of processing of processing,
The described the 2nd connect to process from the described the 1st and connects processing the process that connects the Radio Resource of the up transmission of processing for the described the 2nd of processing of having omitted, and the described the 2nd connects to process and will connect in processing the Radio Resource that process the described the 1st and connect for the described the 2nd the up transmission of processing.
2. the connection processing method in a wireless communication system, this wireless communication system has wireless terminal and wireless base station, and this connection processing method is characterised in that,
In described wireless base station, controlled as follows: in the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, in the described the 1st connects processing, remain in advance connecting from the described the 1st the Radio Resource that the 2nd different connection of processing is processed, while after described wireless terminal, carrying out connection request, apply the described the 2nd and connect processing
Carry out the described the 2nd connection request connected in processing in described wireless terminal,
Wherein, the described the 1st connects the process of processing the Radio Resource that comprises the up transmission that remains in advance described the 1st connection processing,
The process of the Radio Resource of the up transmission that remains in advance described the 2nd connection processing has been omitted in described the 2nd connection processing from described the 1st connection is processed, and the Radio Resource that described the 2nd connection processing will be reserved in the described the 1st connects processing is used for the up transmission of described the 2nd connection processing.
3. the wireless base station in a wireless communication system, this wireless communication system has wireless terminal and ,Gai wireless base station, this wireless base station is characterised in that,
This wireless base station has control part, and this control part is controlled as follows:
In the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, do not allow for opportunity with this, in the described the 1st connects processing, Radio Resource is processed to process for from described the 1st connection, processing the 2nd different connections in advance, and, in the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, while after described wireless terminal, carrying out connection request, apply the described the 2nd and connect processing
Wherein, the described the 1st connects the process comprised being processed for the described the 1st Radio Resource that connects the up transmission of processing of processing,
The described the 2nd connect to process from the described the 1st and connects processing the process that connects the Radio Resource of the up transmission of processing for the described the 2nd of processing of having omitted, and the described the 2nd connects to process and will connect in processing the Radio Resource that process the described the 1st and connect for the described the 2nd the up transmission of processing.
4. the wireless base station in a wireless communication system, this wireless communication system has wireless terminal and ,Gai wireless base station, this wireless base station is characterised in that,
This wireless base station has control part, and this control part is controlled as follows:
In the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, in the described the 1st connects processing, remain in advance connecting from the described the 1st the Radio Resource that the 2nd different connection of processing is processed, while after described wireless terminal, carrying out connection request, apply the described the 2nd and connect processing
The described the 2nd connection request connected in processing is performed,
Wherein, the described the 1st connects the process of processing the Radio Resource that comprises the up transmission that remains in advance described the 1st connection processing,
The process of the Radio Resource of the up transmission that remains in advance described the 2nd connection processing has been omitted in described the 2nd connection processing from described the 1st connection is processed, and the Radio Resource that described the 2nd connection processing will be reserved in the described the 1st connects processing is used for the up transmission of described the 2nd connection processing.
5. the wireless terminal in a wireless communication system, this wireless communication system has this wireless terminal and wireless base station, and this wireless terminal is characterised in that,
This wireless terminal has control part, this control part is accepted following control from described wireless base station: in the situation that described wireless base station does not allow to connect for according to the 1st, connecting the connection request of processing, when carrying out connection request to described wireless base station afterwards, application and the described the 1st connects processes the 2nd different connection processing
And, in the situation that described wireless base station does not allow to connect for according to the described the 1st, connecting the connection request of processing, do not allow for opportunity with this, by described wireless base station, in the described the 1st connects processing, Radio Resource is processed to for the described the 2nd, connect and process in advance
Wherein, the described the 1st connects the process comprised being processed for the described the 1st Radio Resource that connects the up transmission of processing of processing,
The described the 2nd connect to process from the described the 1st and connects processing the process that connects the Radio Resource of the up transmission of processing for the described the 2nd of processing of having omitted, and the described the 2nd connects to process and will connect in processing the Radio Resource that process the described the 1st and connect for the described the 2nd the up transmission of processing.
6. the wireless terminal in a wireless communication system, this wireless communication system has this wireless terminal and wireless base station, and this wireless terminal is characterised in that,
This wireless terminal has control part, this control part is accepted following control from described wireless base station: in the situation that described wireless base station does not allow to connect for according to the 1st, connecting the connection request of processing, when carrying out connection request to described wireless base station afterwards, that application and the described the 1st connect to be processed is different, used and connect the 2nd of Radio Resource reserved in processing by described wireless base station the described the 1st and connect processing
Carry out the described the 2nd connection request connected in processing,
Wherein, the described the 1st connects the process of processing the Radio Resource that comprises the up transmission that remains in advance described the 1st connection processing,
The process of the Radio Resource of the up transmission that remains in advance described the 2nd connection processing has been omitted in described the 2nd connection processing from described the 1st connection is processed, and the Radio Resource that described the 2nd connection processing will be reserved in the described the 1st connects processing is used for the up transmission of described the 2nd connection processing.
7. a wireless communication system, it has wireless terminal and wireless base station, and this wireless communication system is characterised in that,
Described wireless base station has control part, and this control part is controlled as follows:
In the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, in the situation that do not have in the described the 1st connects processing, Radio Resource to be processed to process for from described the 1st connection, processing the 2nd different connections in advance from the reserve requests of described wireless terminal, and, in the situation that do not allow to connect for by the 1st connection, processing the wireless terminal that has carried out connection request, while after described wireless terminal, carrying out connection request, apply the described the 2nd and connect processing
Wherein, the described the 1st connects the process comprised being processed for the described the 1st Radio Resource that connects the up transmission of processing of processing,
The described the 2nd connect to process from the described the 1st and connects processing the process that connects the Radio Resource of the up transmission of processing for the described the 2nd of processing of having omitted, and the described the 2nd connects to process and will connect in processing the Radio Resource that process the described the 1st and connect for the described the 2nd the up transmission of processing.
8. a wireless communication system, it has wireless terminal and wireless base station, and this wireless communication system is characterised in that,
Described wireless terminal has control part, this control part is accepted following control from described wireless base station: in the situation that described wireless base station does not allow to connect for according to the 1st, connecting the connection request of processing, when carrying out connection request to described wireless base station afterwards, that application and the described the 1st connect to be processed is different, used and connect the 2nd of Radio Resource reserved in processing by described wireless base station the described the 1st and connect processing
Carry out the described the 2nd connection request connected in processing,
Wherein, the described the 1st connects the process of processing the Radio Resource that comprises the up transmission that remains in advance described the 1st connection processing,
The process of the Radio Resource of the up transmission that remains in advance described the 2nd connection processing has been omitted in described the 2nd connection processing from described the 1st connection is processed, and the Radio Resource that described the 2nd connection processing will be reserved in the described the 1st connects processing is used for the up transmission of described the 2nd connection processing.
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