CN102550113A - Random wireless access method, equipment and system - Google Patents
Random wireless access method, equipment and system Download PDFInfo
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- CN102550113A CN102550113A CN2009801221403A CN200980122140A CN102550113A CN 102550113 A CN102550113 A CN 102550113A CN 2009801221403 A CN2009801221403 A CN 2009801221403A CN 200980122140 A CN200980122140 A CN 200980122140A CN 102550113 A CN102550113 A CN 102550113A
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- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
A random wireless access method, an equipment and a system are provided. The random wireless access method includes: obtaining random wireless access parameters of an adjacent cell; in the non-switching stage, transmitting a wireless resource control message to the user terminal, the wireless resource control message containing the random wireless access parameters of the adjacent cell.
Description
Random wireless access method, equipment and system
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of random wireless access method, equipment and system.Background technology
In mobile communication system, for the continuity or solution covering problem of business, generally different system cell or alien-frequency district can arrange net with covering.Such as UMTS（UMTS, Universal Mobi le Telecommunications System) cell standing grain mouthful Long Term Evolution (LTE, Long Term Evolution) cell collectively covers the same area.
During mobile network runs, cell can break down suddenly sometimes, such as cell break down suddenly or power down suddenly situation, at this moment cell cisco unity malfunction.For user, Radio Link Failure can be detected（Radio Link Failure, RLF), then the new cell of gravity treatment one and initiate the reconnect process of Radio Link.
User's gravity treatment is first synchronized, this process is by RACH to after new cell before beginning and network service（Random Access Channel, RACH) realize.And before random access procedure is carried out, to obtain following information：Available Packet Random Access Channel（PRACH, Physical Random Access Channel) resource, the corresponding feedback accidental access response message of PRACH resources（Available preamble identity in RA-RNTI, Random Access-Radio Network Temporary Identifier lead codes (Preamble) packet, each lead code packet group（Preamble ID), selection preamble groups threshold condition, the parameter for calculating message 2 (Msg2) stand-by period window, power ascension step-length（POWER-RAMP-STEP), user carry out the maximum times (PREAMBLE-TRANS-MAX) of wireless access channel access, initial power.And these above-mentioned information are to be handed down to user by information broadcast.That is, user wants read apparatus to broadcast the message before random wireless access, and read apparatus is wide
Broadcasting needs to spend extra time.In order to reduce communication interruption time and packet loss, it is necessary to be rapidly completed user and the process of the random wireless access of new cell.
It is existing accelerate Stochastic accessing method be, when switching user is brought by radio configuration information the random wireless access channel information of Target cell, user is reached after Target cell, directly carry out random wireless access, read apparatus need not be gone to broadcast the message again, it is not required that competitive way is accessed.But when former cell there occurs failure suddenly, new cell can not be notified in advance, new cell would not prepare resource to user, and the Radio Link of former cell there occurs failure, and user also can not receive evolution base station（ENB, eNodeB) message that issues.Therefore, the situation that this method can not suddenly break down for former cell, is rapidly completed the random wireless access of user and Xin cells.The content of the invention
The embodiment of the present invention provides a kind of random wireless access method, including：Obtain the random wireless access parameters of abutting subdistrict；In the non-switching stage, the random wireless access parameters for including above-mentioned abutting subdistrict in radio resource control information, the radio resource control information are sent to user terminal.
The embodiment of the present invention also provides a kind of random wireless access device, including：Receiving module, the random wireless access parameters for obtaining abutting subdistrict；And sending module, for sending the random wireless access parameters for including above-mentioned abutting subdistrict in radio resource control information, the radio resource control information to user terminal.
The embodiment of the present invention also provides a kind of random wireless access system, including above-mentioned random wireless access device and user terminal, wherein user terminal, for receiving the radio resource control information that the random wireless access device sends in the non-switching stage to obtain the random wireless access parameters of above-mentioned abutting subdistrict, and random wireless access is carried out to abutting subdistrict according to above-mentioned random wireless access parameters.
Pass through above-mentioned technical proposal provided in an embodiment of the present invention, when cell failure occurs suddenly, user terminal can run through the random wireless access parameters of abutting subdistrict and access abutting subdistrict, improve the speed and success rate of random wireless access, reduce communication interruption time and packet loss.Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, does not constitute limitation of the invention.In the accompanying drawings：
Fig. 1 is the flow chart of the random wireless access method of the embodiment of the present invention one；
Fig. 2 is the structure chart of the random wireless access device of the embodiment of the present invention two；
Fig. 3 is the structure chart of the random wireless access system of the embodiment of the present invention three；
Fig. 4 is the random wireless access schematic diagram of the neighbor cell of the same base of the present invention；
Fig. 5 is the random wireless access schematic diagram of the neighbor cell of the different base station of the present invention.Embodiment
For the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, the embodiment of the present invention is described in further details.Here, the schematic description and description of the present invention is used to explain the present invention, but it is not as a limitation of the invention.
The present embodiment provides a kind of random wireless access method.Referring to Fig. 1, the random wireless access method is described in detail, this method includes：
Step S 110:Obtain the random wireless access parameters of abutting subdistrict.
The Walk is performed by access network equipment suddenly, in LTE system, is performed by eNB, in UMTS/GSM systems, is performed by RNC/BSC.In LTE system, eNB passes through random wireless access parameters of the interfaces of X2/S 1 from abutting subdistrict in the step.In LTE system, eNB passes through the interfaces of the X2/S 1 random wireless access parameters, LTE system as shown in Figure 4；Between LTE system and UMTS/GSM systems between different network systems as shown in Fig. 5, by the S1 interfaces random wireless access parameters, the step is performed by eNB/RNC/BSC.The random wireless access parameters of the abutting subdistrict are included in the X2/S1 message, the mode not limited to this of the random wireless access parameters of abutting subdistrict is obtained certainly.Above-mentioned X2 message can be X2 interfaces foundation/response/new information（Such as X2 SETUP/RESPONSE/UPDATE), X2 interface handover request or other X2 message；The transmission of X2 message can be event triggering transmission, and such as related random wireless access parameters of this cell change, or cycle triggering is sent.The above-mentioned message of S 1 can be the interface foundation of S 1/response/new information（Such as S1
SETUP/RESPONSE/UPDATE direct-sending message), is configured（Such as C0NFIGURTAI0N TRANSFER), or other SI mouthfuls of message.
Step S120:In the non-switching stage, wireless heterogeneous networks are sent to user terminal（Radio Recourse Control, RRC) message, the random wireless access parameters of above-mentioned abutting subdistrict are included in the radio resource control information.
The step is by evolution base station in LTE system（ENB during) the execution Walk are rapid, eNB can optionally send the random wireless access parameters of cell according to the relation of abutting subdistrict to UE, such as eNB can pay the utmost attention to the cell with covering, or the cell of other priority access, the random wireless access parameters of these cells are sent to UE.ENB can also select to send the random wireless access parameters of abutting subdistrict to part UE or whole UE according to UE priority, such as according to UE signing information, type of service（QCI, Quality of Service Class Identifier), or User Priority（SPID, Subscriber profile identity) etc. information, select the higher user of some priority to send the random wireless access parameters of abutting subdistrict.ENB sends above-mentioned random wireless access parameters, such as RRC reallocation messages or special RRC information, or other RRC informations by radio resource control information to UE.In UMTS/GSM systems, this step is performed by RNC/BSC.
The present embodiment transmits the random wireless access parameters of abutting subdistrict by radio resource control information, so that when cell failure occurs suddenly, user terminal can run through the random wireless access parameters of abutting subdistrict and access abutting subdistrict, improve the speed and success rate of random wireless access.
Another embodiment of the present invention also provides a kind of random wireless access device.Referring to Fig. 2, the random wireless access device according to the present invention is described in detail, the device includes：
Receiving module 210, the random wireless access parameters for obtaining abutting subdistrict.Receiving module 210 includes X2, SI interfaces, for receiving X2/S1 message, wherein the random wireless access parameters comprising abutting subdistrict.The receiving module 210 is by the X2/S1 interfaces random wireless access parameters in LTE system, and in LTE system as shown in Figure 4, the random wireless access device can be located at eNB;Between different network systems, between LTE system as shown in Figure 5 and UMTS/GSM systems, by the S1 interfaces random wireless access parameters, the random wireless access device is located at eNB and RNC/BSC.Above-mentioned X2 message
It can be X2 interface foundation/response/new information（Such as X2 SETUP/RESPONSE/UPDATE), X2 interfaces handover request or other X2 message；Above-mentioned S1 message can be S1 interfaces foundation/response/new information（Such as SI SETUP/RESPONSE/UPDATE), configuration direct-sending message（Such as C0NFIGURTAI0N TRANSFER), or other SI mouthfuls of message.The transmission of X2/S1 message can be event triggering transmission, and such as related random wireless access parameters of this cell change, or cycle triggering is sent；
Sending module 220, for the random wireless access parameters for including above-mentioned abutting subdistrict in sending radio resource control information, the radio resource control information to user terminal in the non-switching stage.Sending module 220 can be also used for sending the random wireless access parameters of the cell to UE according to the relation of abutting subdistrict, such as sending module 220 can pay the utmost attention to the cell with covering, or the cell of other priority access, the random wireless access parameters of these cells are sent to UE.Or, sending module 220 sends above-mentioned radio resource control information according to UE priority selectivity to part UE or whole UE, for example, signing information, type of service that sending module 220 can be according to UE（) or User Priority QCI（) etc. SPID information, selects the higher user of some priority to send the random wireless access parameters of abutting subdistrict.Sending module 220 sends above-mentioned random wireless access parameters, such as RRC reallocation messages or special RRC information, or other RRC informations by radio resource control information to UE.
The present embodiment transmits the random wireless access parameters of abutting subdistrict by radio resource control information, so that when cell failure occurs suddenly, user terminal can run through the random wireless access parameters of abutting subdistrict and access abutting subdistrict, improve the speed and success rate of random wireless access.
The present embodiment provides a kind of random wireless access system.Referring to Fig. 3, the random wireless access system is described in detail, the system includes：Random wireless access device 310 and user terminal 320 described in embodiment two, wherein
User terminal（UE) 320, for receiving radio resource control information that random wireless access device 310 sends in the non-switching stage to obtain the random wireless access parameters of the abutting subdistrict, and random wireless access is carried out to abutting subdistrict according to the random wireless access parameters.
Wherein, random wireless access device 310 receives the random wireless access parameters from abutting subdistrict.The random wireless access device 310 is located at eNB in LTE system, and by X2/S1 interfaces, this is random
Wireless access parameters, as shown in Figure 4；Can also be between different network systems by the S1 interfaces random wireless access parameters, between LTE system as shown in Figure 5 and UMTS/GSM systems, the random wireless access device is located at eNB and RNC/BSC.The X2 message can be X2 interface foundation/response/new information（Such as X2 SETUP/RESPONSE/UPDATE), X2 interface handover request or other X2 message；Above-mentioned S1 message can be S1 interfaces foundation/response/new information（Such as S1 SETUP/RESPONSE/UPDATE), or configuration direct-sending message（Such as C0NFIGURTAI0N TRANSFER) or other SI mouthfuls of message.The transmission of X2/S1 message can be event triggering transmission, and such as related system message of this cell changes, or cycle triggering is sent.
ENB can be selective to UE transmission radio resource control informations according to the relation of abutting subdistrict or UE priority.Such as eNB can pay the utmost attention to the cell with the cell covered, or other priority access, and the random wireless access parameters of these cells are sent to UE.ENB is according to UE signing information, type of service (QCI) or User Priority（) etc. SPID information, selects the higher user of some priority to send the random wireless access parameters of abutting subdistrict.ENB sends above-mentioned random wireless access parameters, such as RRC reallocation messages or special RRC information or other RRC informations by radio resource control information to UE.
The present embodiment transmits the random wireless access parameters of abutting subdistrict by radio resource control information to user terminal, so that when cell failure occurs suddenly, user terminal can run through the random wireless access parameters of abutting subdistrict and access abutting subdistrict, improve the speed and success rate of random wireless access.
Particular embodiments described above; the purpose of the present invention, technical scheme and beneficial effect are further described; it should be understood that; it the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within all this inventions of Jing Zhong and principle, any modification, equivalent substitution and improvements done etc. should be included in the scope of the protection.
Claims (10)
- Claims1. a kind of random wireless access method, it is characterised in that this method includes：Obtain the random wireless access parameters of abutting subdistrict；In the non-switching stage, the random wireless access parameters for including the abutting subdistrict in radio resource control information, the radio resource control information are sent to user terminal.2. according to the method described in claim 1, it is characterised in that：The radio resource control information includes wireless heterogeneous networks reallocation message or special radio resource control information.3. according to the method described in claim 1, it is characterised in that include before the transmission radio resource control information to user terminal：Receive the random wireless access parameters for including the abutting subdistrict in the message of X2/S 1, the message of X2/S 1.4. method according to claim 3, it is characterised in that：The X2 message includes X2 interface foundation/response/new information, X2 interface handover request or X2 specific messages；The message of S 1 includes the interface foundation of S 1/response/new information or configuration direct-sending message.5. method according to claim 3, it is characterised in that：By abutting subdistrict, random wireless access parameters change events triggering is sent the message of X2/S 1, or cycle triggering is sent.6. a kind of random wireless access device, it is characterised in that the device includes：Receiving module, the random wireless access parameters for obtaining abutting subdistrict；Sending module, for the random wireless access parameters for including abutting subdistrict in sending radio resource control information, the radio resource control information to user terminal in the non-switching stage.7. device according to claim 6, it is characterised in that：The radio resource control information includes wireless heterogeneous networks reallocation message or special radio resource control information.8. device according to claim 7, it is characterised in that：The receiving module includes X2/S1 interfaces, for receiving the random nothing for including the abutting subdistrict in X2/S1 message, the X2/S1 message Line access parameter.9. device according to claim 8, it is characterised in that：The X2 message includes X2 interface foundation/response/new information, X2 interface handover request or X2 specific messages；The message of S 1 includes the interface foundation of S 1/response/new information or configuration direct-sending message.10. a kind of random wireless access system, it is characterised in that the system includes：Random wireless access device and user terminal as described in claim 6-9,The user terminal, for receiving radio resource control information that the random wireless access device sends in the non-switching stage to obtain the random wireless access parameters of abutting subdistrict, and random wireless access is carried out to abutting subdistrict according to the random wireless access parameters.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2009/071481 WO2010124432A1 (en) | 2009-04-27 | 2009-04-27 | Random wireless access method, equipment and system |
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| CN102550113A true CN102550113A (en) | 2012-07-04 |
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Citations (7)
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| CN1437416A (en) * | 2002-02-08 | 2003-08-20 | 华为技术有限公司 | Method of raising successive mobile station accessing rate in mobile communication system |
| CN1596020A (en) * | 2003-09-11 | 2005-03-16 | 华为技术有限公司 | Method of accessing target base station for mobile terminal switching between base stations |
| CN101026860A (en) * | 2006-02-21 | 2007-08-29 | 中兴通讯股份有限公司 | Cross-zone handover method for time division synchronous CDMA multi-frequency-point community cellular network |
| CN101064943A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Method for switching uplink random channel or sharing channel between mobile communication systems |
| WO2008098482A1 (en) * | 2007-02-15 | 2008-08-21 | Zte Corporation | A method for realizing fast handover in enhanced uplink |
| CN101300756A (en) * | 2005-11-04 | 2008-11-05 | Lg电子株式会社 | Random access dimensioning methods and procedures for frequency division multiplexing access systems |
| WO2009022948A1 (en) * | 2007-08-10 | 2009-02-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Improvements in, or relating to, e-utran and handover |
-
2009
- 2009-04-27 WO PCT/CN2009/071481 patent/WO2010124432A1/en active Application Filing
- 2009-04-27 CN CN2009801221403A patent/CN102550113A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437416A (en) * | 2002-02-08 | 2003-08-20 | 华为技术有限公司 | Method of raising successive mobile station accessing rate in mobile communication system |
| CN1596020A (en) * | 2003-09-11 | 2005-03-16 | 华为技术有限公司 | Method of accessing target base station for mobile terminal switching between base stations |
| CN101300756A (en) * | 2005-11-04 | 2008-11-05 | Lg电子株式会社 | Random access dimensioning methods and procedures for frequency division multiplexing access systems |
| CN101026860A (en) * | 2006-02-21 | 2007-08-29 | 中兴通讯股份有限公司 | Cross-zone handover method for time division synchronous CDMA multi-frequency-point community cellular network |
| CN101064943A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Method for switching uplink random channel or sharing channel between mobile communication systems |
| WO2008098482A1 (en) * | 2007-02-15 | 2008-08-21 | Zte Corporation | A method for realizing fast handover in enhanced uplink |
| WO2009022948A1 (en) * | 2007-08-10 | 2009-02-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Improvements in, or relating to, e-utran and handover |
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| WO2010124432A1 (en) | 2010-11-04 |
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Application publication date: 20120704 |