CN102223690A - Methods for transmitting system information and devices - Google Patents
Methods for transmitting system information and devices Download PDFInfo
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- CN102223690A CN102223690A CN2011101639752A CN201110163975A CN102223690A CN 102223690 A CN102223690 A CN 102223690A CN 2011101639752 A CN2011101639752 A CN 2011101639752A CN 201110163975 A CN201110163975 A CN 201110163975A CN 102223690 A CN102223690 A CN 102223690A
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- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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Abstract
The invention discloses methods for transmitting system information. The methods are used for realizing transmission of the system information and reducing the interference during system information transmission. The method on the base station side comprises the following steps that: a base station determines user equipment (UE) with a coverage hole; and the base station sends an exclusive signaling for the user with the system information to the UE with a coverage hole. The method of the UE side comprises the following steps that: the UE receives the exclusive signaling for the user with the system information; and the UE obtains the system information from the exclusive signaling for the user. The invention also discloses devices for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to the method and the device of system information.
Background technology
In the scene of macro base station (MeNB)/little base station (PeNB) mixed networking, referring to shown in Figure 1,, may cover expansion to little base station to strengthen the means of switching biasing for promoting the resource utilization of little base station, make more UE insert little base station.Wherein, expansion covers among the zone of (RE) such as Fig. 1 the zone between two dotted lines.At this moment, force the UE (subscriber equipment) (as the UE1 among Fig. 1) of the little base station of access can be subjected to strong jamming from macro base station.For addressing this problem, LTE R10 (version 10 of long evolving system) has introduced TDM ICIC (time division multiplexing Inter-Cell Interference Coordination) mechanism.TDM ICIC mechanism is referring to subframe structure schematic diagram shown in Figure 2, in macro base station, the part subframe is configured to ABS (almost blank subframe, be close to blank subframe), on these subframes, stop the scheduling of data field, only send CRS (sub-district public reference signal), then can not produce strong jamming the UE under little base station.
TDM ICIC mechanism can solve the interference that Traffic Channel (as PDSCH (Physical Downlink Shared Channel)) is subjected to, but the interference that can not resolution system information (comprising the information among MIB (host system message block) and the SIB (system information block)) be subjected to.
Summary of the invention
The embodiment of the invention provides a kind of method and device of system information, is used to realize the transmission of system information, and the interference when reducing system information.
A kind of method of system information is applied in base station side, may further comprise the steps:
The user equipment (UE) that covers the cavity is determined to be in the base station;
The base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
A kind of method of system information is applied in the UE side, may further comprise the steps:
UE receives the user-specific signaling that has system information;
UE obtains system information from the user-specific signaling.
A kind of base station comprises:
Control module is used to determine to be in the user equipment (UE) that covers the cavity;
Interface module is used for sending the user-specific signaling that has system information to being in the UE that covers the cavity.
A kind of subscriber equipment comprises:
Interface module is used to receive the user-specific signaling that has system information;
Control module is used for obtaining system information from the user-specific signaling.
The embodiment of the invention is by user-specific signaling transmission system information, and the transmission location of user-specific signaling is more flexible, can solve the interference problem of being brought in fixed position transmitting system information in the prior art.
Description of drawings
Fig. 1 is the schematic diagram of the network architecture in the prior art;
Fig. 2 is the schematic diagram of subframe structure in the prior art;
Fig. 3 be in the embodiment of the invention system information at the main method flow chart of network side;
Fig. 4 be in the embodiment of the invention system information at the detailed method flow chart of network side;
Fig. 5 be in the embodiment of the invention system information at the main method flow chart of UE side;
Fig. 6 be in the embodiment of the invention system information at the detailed method flow chart of UE side;
Fig. 7 starts to disturb the base station that suppresses mechanism after UE forces to switch the method flow diagram of system information in the embodiment of the invention;
When Fig. 8 determines reliability for base station in the embodiment of the invention to the UE statistics feedback result that moves to cell edge, the method flow diagram of system information;
Fig. 9 disturbs the base station that the suppresses mechanism method flow diagram to the UE system information that moves to cell edge for starting in the embodiment of the invention;
Figure 10 is the structure chart of base station in the embodiment of the invention;
Figure 11 is the structure chart of UE in the embodiment of the invention.
Embodiment
The embodiment of the invention is by user-specific signaling transmission system information, and the transmission location of user-specific signaling is more flexible, can solve the interference problem of being brought in fixed position transmitting system information in the prior art.
User-specific signaling in the present embodiment can be RRC (Radio Resource control) signaling etc., and preferable, selective channel quality resource is preferably come the exclusive signaling of transmission user, as transmitting in the subframe that is set to ABS at interference source.Base station in the present embodiment can be little base station or macro base station etc.
Referring to Fig. 3, system information is as follows in the main method flow process of network side in the present embodiment:
Step 301: the subscriber equipment (UE) that covers the cavity is determined to be in the base station.
Step 302: the base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
For fear of repeating transmission, and guarantee the reliability of transmission in when transmission, before the exclusive signaling of transmission user, whether the base station need need system information and transmission whether to judge that reliably specific implementation is referring to following flow process.
Referring to Fig. 4, system information is as follows in the detailed method flow process of network side in the present embodiment:
Step 401: the UE among the base station maintenance tabulation A, promptly determine to be in the UE that covers the cavity, and it be recorded among the tabulation A.For the ease of to the administering and maintaining of UE, will be in the UE that covers air-conditioning in the present embodiment and be recorded among the tabulation A.
Each UE at tabulation A carries out following step.
Step 402: whether the base station is judged can reliable transmission user-specific signaling to UE, if can, then continue step 404, otherwise continue step 403.
Step 403: the base station is at this UE recording exceptional information.Can't correctly know system information if terminal is found in the base station, can't use user-specific signaling system information again, will judge that so terminal can't operate as normal, corresponding information is noted in order to use of processes such as later stage Operation and Maintenance or reference.
Step 404: the base station judges whether UE has current system information, if having, then finishes this flow process, otherwise continues step 405.
Step 405: the base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
In step 401, there is multiple mode to determine to be in the UE that covers the cavity, for example, for the UE that satisfies one of following condition at least, the base station determines that this UE is in the UE that covers the cavity.Condition comprises: for the UE that finishes switching, switch to and force to switch; The CQI that UE reports (channel quality indication) is lower than default CQI thresholding; The local area RSRQ (Reference Signal Received Quality) that UE reports is lower than default RSRQ thresholding; The local area RSRP (Reference Signal Received Power) that UE reports is lower than default RSRP thresholding; The local area RSRQ that UE reports in default duration all is lower than default RSRQ thresholding; The local area RSRP that UE reports in default duration all is lower than default RSRP thresholding; The local area RSRQ that UE reports is lower than default RSRQ difference threshold than the RSRQ of neighbor cell; The local area RSRP that UE reports is lower than default RSRP difference threshold than the RSRP of neighbor cell.
Mainly contain two kinds of situations and cause UE to be in the covering cavity, be in the covering cavity of current area after a kind of UE of being switches, another kind is UE moves to the sub-district from center of housing estate covering cavity.For first kind of situation, especially UE is in the covering cavity easily under the situation of forcing switching, in above-mentioned condition, can judge whether UE is to force to switch by following conditions: for the UE that finishes switching, switch to the pressure switching.The base station that belongs to after the UE switching can be passed through X2 (a kind of interface between the base station) mouthful from the preceding base station acquisition handover information that belongs to of UE switching, and judges according to this handover information whether this switching belongs to the pressure switching.Concrete, this handover information can carry in handoff request.The CQI that UE reports is lower than default CQI thresholding, requires UE to carry out the channel condition information feedback one time after for example switching immediately, if CQI is lower than the CQI thresholding, can determine that this switches to pressure and switches.The local area RSRQ that UE reports is lower than default RSRQ thresholding, and allocating and measuring report condition immediately after for example switching if the local area RSRQ that UE reports is lower than the RSRQ thresholding, can be determined that this switches to force to switch.The local area RSRP that UE reports is lower than default RSRP thresholding, and allocating and measuring report condition immediately after for example switching if the local area RSRP that UE reports is lower than the RSRP thresholding, can be determined that this switches to force to switch.The local area RSRQ that UE reports is lower than default RSRQ difference threshold than the RSRQ of neighbor cell (abbreviation adjacent area), allocating and measuring report condition immediately after for example switching, if the neighbour district of the local area RSRQ that UE reports is lower than the RSRQ difference threshold, can determine that this switches to pressure and switches, wherein local area RSRQ all is lower than the RSRQ difference threshold than all adjacent areas, be defined as forcing to switch, perhaps local area RSRQ is lower than the RSRQ difference threshold than an adjacent area, is defined as forcing to switch.The local area RSRP that UE reports is lower than default RSRP difference threshold than the RSRP of neighbor cell, allocating and measuring report condition immediately after for example switching, if the neighbour district of the local area RSRP that UE reports is lower than the RSRP difference threshold, can determine that this switches to pressure and switches, wherein local area RSRP all is lower than the RSRP difference threshold than all adjacent areas, be defined as forcing to switch, perhaps local area RSRP is lower than the RSRP difference threshold than an adjacent area, is defined as forcing to switch.
For second kind of situation, in above-mentioned condition, can judge whether UE is to move to the covering cavity from center of housing estate by following conditions: the local area RSRQ that UE reports in default duration all is lower than default RSRQ thresholding, can determine that UE moves into system information and covers empty.The local area RSRP that UE reports in default duration all is lower than default RSRP thresholding, can determine that UE moves into system information and covers the cavity.The local area RSRQ that UE reports is lower than default RSRQ difference threshold than the RSRQ of neighbor cell (abbreviation adjacent area), can determine that UE moves into system information and covers the cavity, wherein local area RSRQ all is lower than the RSRQ difference threshold than all adjacent areas, determine that UE moves into system information and covers the cavity, perhaps local area RSRQ is lower than the RSRQ difference threshold than an adjacent area, determines that UE moves into system information and covers the cavity.The local area RSRP that UE reports is lower than default RSRP difference threshold than the RSRP of neighbor cell, can determine that UE moves into system information and covers the cavity, wherein local area RSRP all is lower than the RSRP difference threshold than all adjacent areas, determine that UE moves into system information and covers the cavity, perhaps local area RSRP is lower than the RSRP difference threshold than an adjacent area, determines that UE moves into system information and covers the cavity.
In order to improve the transmission quality of user-specific signaling, guarantee UE reliable reception system information, preferable, the base station is before the UE transmission that is in the covering cavity has the user-specific signaling of system information, judge current whether can reliable transmission user-specific signaling (being step 402), if energy reliable transmission user-specific signaling, then the base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.Concrete judgment mode has multiple, and judgement was current when for example the base station was determined to satisfy one of following condition can reliable transmission user-specific signaling.Condition comprises: 1, the UE of base station statistics satisfies default statistics thresholding at the statistics of correctly replying (ACK) or wrong responses (NACK) of Physical Downlink Shared Channel PDSCH feedback, whether the ratio of for example judging the summation of ACK and ACK and NACK is not less than default ratio thresholding, if, then determining can reliable transmission user-specific signaling, otherwise determine can not reliable transmission user-specific signaling.2, the interference of base station network enabled side suppresses mechanism, and this disturbs and suppresses mechanism as TDM ICIC etc.3, UE supports the interference of user side to suppress mechanism, as UE side interference eliminated etc.Corresponding, whether UE need report to support to disturb when access network and suppress machine-processed to network side.
For step 404, the base station can by judging whether it is that the UE that switches to this sub-district judges whether current system information, if, determine that then this UE does not have current system information, if not, determine that then this UE has current system information.The base station can also judge whether the system information of renewal, if having, determines that then this UE does not have current system information, if do not have, then by judging whether it is that the UE that switches to this sub-district determines.If the system information of renewal is arranged, the base station also needs to cover empty UE transmitting system information to not being in, and this system information can send by broadcast signaling.
System information in the present embodiment comprises one of information of listing in the table 1 at least:
Table 1
User-specific signaling in the present embodiment can adopt existing form (comprising the sequential scheduling between field length and the system information block) system information, also selective system information according to actual needs, and dispose corresponding field length and sequential scheduling.The unified rule of base station and UE configuration gets final product.
Because the user-specific signaling is transmitted at a UE, and propagation delay time is uncertain, for the ease of being in UE that covers the cavity and the UE synchronous applications system information that is not in covering cavity (promptly being in center of housing estate), the user-specific signaling also comprises the entry-into-force time of system information.When arriving the entry-into-force time of system information, the base station sends the broadcast signaling that has system information, and this system information is current up-to-date system information, may be the system information after upgrading.
For the ease of making UE know that the user-specific signaling of current transmission carries system information, can carry system information in the specific bit position in the user-specific signaling, this specific bit is configured to the system information special use; Perhaps, the user-specific signaling also comprises the bit that is used to indicate whether to carry system information, and for example the value of this bit is 1, and expression carries system information, and value is that system information is not carried in 0 expression.
In the present embodiment can in trigger flow process shown in Figure 4 when having UE to add tabulation A, trigger flow process shown in Figure 4 when perhaps having system information to upgrade.If UE moves to center of housing estate and maybe need switch to other sub-district from covering the cavity, then the base station is deleted this UE with UE from tabulation A, and recovers conventional system information by user-specific signaling UE and detect.
Referring to Fig. 5, system information is as follows in the main method flow process of UE side in the present embodiment:
Step 501:UE receives the user-specific signaling that has system information.
Step 502:UE obtains system information from the user-specific signaling.
UE exists and not only to obtain system information but also carry out the situation that conventional system information detects from the user-specific signaling in the present embodiment, below by embodiment how Coordination Treatment of both of these case is described.
Referring to Fig. 6, system information is as follows in the detailed method flow process of UE side in the present embodiment:
Step 601:UE receives the user-specific signaling that has system information.
Step 602:UE obtains the entry-into-force time of system information and system information from the user-specific signaling.When system information was carried in the specific bit position in the user-specific signaling, the specific bit position of UE from the user-specific signaling obtained system information.The user-specific signaling also comprises when being used to indicate whether to carry the bit of system information, when UE identifies information representation that the bit that is used to indicate whether to carry system information carries and has system information, obtains system information from the user-specific signaling.
Step 603:UE stops the detection to system information in the broadcast signaling, promptly stops conventional system information and detects.Can save the energy consumption of UE by this step.UE can stop conventional system information immediately and detect when receiving the user-specific signaling that has system information, stop when perhaps receiving the indication that stops conventional system information detection, and this indication also can be by the transmission of user-specific signaling.
Step 604: when arriving the entry-into-force time of system information, UE uses the system information that obtains.
Step 605: when arriving the entry-into-force time of recovering the detection of broadcast signaling system information, UE recovers the detection to system information in the broadcast signaling.This entry-into-force time of recovering the detection of broadcast signaling system information is notified UE by the base station or is fixed configurations (entry-into-force time is by standard definition).Perhaps, UE waits for receiving and has the user-specific signaling of recovering to detect indication information, this recovery detects indication information and is used for indicating the detection of UE recovery to the broadcast signaling system information, recovers to detect the entry-into-force time that indication information can comprise that recovery broadcast signaling system information detects.Do not comprise the entry-into-force time of recovering the detection of broadcast signaling system information if recover to detect indication information, then UE receives that recovering the broadcast signaling system information when recovering to detect indication information immediately detects.Comprise the entry-into-force time of recovering the detection of broadcast signaling system information if recover the detection indication information, then UE recovers the detection of broadcast signaling system information when arriving the entry-into-force time of recovering the detection of broadcast signaling system information.Perhaps, when UE determines that metrical information is not less than default thresholding, recover detection, when for example UE determines that the RSRQ that measures is not less than default RSRQ thresholding, recover detection system information in the broadcast signaling to system information in the broadcast signaling.Metrical information comprises RSRQ, RSRP and CQI etc.
If UE does not stop the detection to system information in the broadcast signaling, then UE not only by user-specific signaling acquisition system information but also by broadcast signaling acquisition system information, adopts the last successful detected system information this moment at short notice.If the last system information is the broadcast signaling transmission, system information comes into force so, if the last system information is the transmission of user-specific signaling, system information comes into force during the time in received letter of acceptance so.
In the realization flow of above-mentioned base station side and UE side, each step all has multiple implementation, describes in detail below by several embodiment.
Referring to Fig. 7, start in the present embodiment and disturb the base station that suppresses mechanism after UE forces to switch, the method flow of system information is as follows:
Step 701:UE forces to switch to current area.
Step 702: the base station records UE among the tabulation A according to handover information.
Step 703: the base station judges whether this locality starts the inhibition mechanism of disturbing, if then continue step 704, otherwise continue step 705.
Step 704: the base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
Step 705: the base station is at this UE recording exceptional information.
For example, base station NB1 forces to switch to base station NB2 with terminal U1, and NB2 records system information according to handover information with U1 and covers among the cavity tabulation A.NB2 has started TDM ICIC mechanism, can guarantee that U1 obtains the user-specific signaling reliably.NB2 uses the user-specific signaling with the configuration information of carrier frequency, carrier bandwidths, random access information, various channels, one or more notices U1 in the wireless resource configuration.U1 is according to the own stored system information of the content update of user-specific signaling.When if system information is upgraded, U1 still is positioned at the expanded areas of coverage (promptly covering the cavity) of NB2, and then NB2 uses user-specific signaling U1 system information to upgrade, simultaneously the entry-into-force time time1 of reporting system information updating.After time1 arrived, NB2 re-used conventional method and carries out the system information renewal to other UE.
After U1 moved in the conventional overlay area (being center of housing estate) of NB2, NB2 reported record to find that U1 has shifted out system information and covered the cavity according to the measurement of U1, then from tabulation A U1 is deleted.U1 can detect system information according to conventional method and upgrade, and upgrades own stored system information with this result.
Referring to Fig. 8, when reliability was determined to the UE statistics feedback result that moves to cell edge in the base station in the present embodiment, the method flow of system information was as follows:
Step 801:UE moves to cell edge from center of housing estate.
Step 802: the RSRP that the base station reports according to UE determines that UE is in the covering cavity, and it is recorded among the tabulation A.
Step 803: ACK or NACK that base station statistics UE sent at PDSCH in a period of time.
Step 804: the base station judges whether according to statistics can reliable transmission user-specific signaling, if then continue step 805, otherwise continue step 806.
Step 805: the base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
Step 806: the base station is at this UE recording exceptional information.
For example, terminal U2 moves to the edge from the center of base station NB3, and NB3 reports record to find that U2 is in the covering cavity of system information by the RSRP of U2, U2 is recorded system information cover among the cavity tabulation A.The ACK/NACK statistics of the PDSCH of NB3 by issuing U2 in a period of time confirms that U2 can obtain the user-specific signaling reliably.NB3 uses user-specific signaling U2 to stop conventional system information and detects.When the generation systems information updating, NB3 uses the user-specific signaling with whole system information notice U2, and the entry-into-force time time2 of update notifications.After Time2 arrived, NB3 used conventional method to upgrade to other user notification system informations.U2 is according to the own stored system information of the content update of user-specific signaling.U2 rests on the covering edge of NB3 always, then realizes the renewal of system information by the user-specific means of signaling always.
And for example, terminal U3 moves to the edge from the center of base station NB4, and NB4 reports record to find that U3 is in the covering cavity of system information by the RSRP of U3, U3 is recorded system information cover among the cavity tabulation A.The ACK/NACK statistics of the PDSCH of NB4 by issuing U3 in a period of time confirms that U3 can obtain the user-specific signaling reliably.NB4 notice U3 will stop conventional system information and detect in time T.When the generation systems information updating, NB4 uses user-specific signaling U3, the entry-into-force time time3 of update notifications simultaneously.After Time3 arrived, NB4 used conventional method to upgrade to other user notification system informations.U3 is according to the own stored system information of the content update of user-specific signaling.After timer T stopped, U3 recovered conventional system information and detects.
Referring to Fig. 9, the base station that start to disturb suppresses mechanism in the present embodiment is as follows to the method flow of the UE system information that moves to cell edge:
Step 901:UE moves to cell edge from center of housing estate.
Step 902: the RSRQ that the base station reports according to UE determines that UE is in the covering cavity, and it is recorded among the tabulation A.
Step 903: the base station judges whether this locality starts the inhibition mechanism of disturbing, if then continue step 904, otherwise continue step 905.
Step 904: the base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
Step 905: the base station is at this UE recording exceptional information.
For example, terminal U4 moves to the edge from the center of base station NB5, and NB5 reports record to find that U4 is in the covering cavity of system information by the RSRQ of U4, U4 is recorded system information cover in the tabulation of cavity.NB5 has started TDM ICIC mechanism, can guarantee that U4 obtains the user-specific signaling reliably.NB5 notice U4 stops conventional system information and detects, and after notifying U4 to work as its RSRQ simultaneously to be higher than thresholding Thre1, recovers conventional system information and detects.When the generation systems information updating, NB5 uses user-specific signaling U4, the entry-into-force time Time4 of update notifications simultaneously.After Time4 arrived, NB5 used conventional method to upgrade to other user notification system informations.U4 is according to the own stored system information of the content update of user-specific signaling.
Terminal U4 moves to the center from the edge of base station NB5, and NB5 reports record to find that U4 is in the normal coverage of system information by the RSRQ of U4, then U4 is covered deletion the tabulation of cavity from system information.U4 finds that the RSRQ measurement result is higher than thresholding Thre1, then recovers conventional system information and detects.
Understood the implementation procedure of system information by above description, this process mainly realizes that by base station and UE internal structure and the function to base station and UE is introduced below.
Referring to Figure 10, the base station comprises in the present embodiment: control module 1001 and interface module 1002.
For the UE that satisfies one of following condition at least, control module 1001 determines that this UE is in the UE that covers the cavity.Condition comprises: for the UE that finishes switching, switch to and force to switch; The CQI that UE reports is lower than default CQI thresholding; The local area RSRQ that UE reports is lower than default RSRQ thresholding; The local area RSRP that UE reports is lower than default RSRP thresholding; The local area RSRQ that UE reports in default duration all is lower than default RSRQ thresholding; The local area RSRP that UE reports in default duration all is lower than default RSRP thresholding; The local area RSRQ that UE reports is lower than default RSRQ difference threshold than the RSRQ of neighbor cell; The local area RSRP that UE reports is lower than default RSRP difference threshold than the RSRP of neighbor cell.Wherein, control module 1001 obtains handover information by X2 interface, and forces the handover information of switching to determine to switch to according to expression and force to switch.Preferable, handover information is carried in the handoff request.
Judgement was current when control module 1001 was determined to satisfy one of following condition can reliable transmission user-specific signaling.Condition comprises: the UE of control module 1001 statistics satisfies default statistics thresholding at the statistics of correctly replying ACK or wrong responses NACK of Physical Downlink Shared Channel PDSCH feedback; The interference of base station network enabled side suppresses mechanism; UE supports the interference of user side to suppress mechanism.Support the interference of user side to suppress the situation of mechanism for UE, when the UE access network, control module 1001 obtains the information of whether supporting to disturb inhibition mechanism that UE reports, and this information representation support is disturbed when suppressing mechanism, and control module determines that the interference of UE support user side suppresses mechanism.
System information comprises one of following message at least:
Downlink bandwidth, the configuration information of PHICH, System Frame Number (SFN), insert relevant information with the sub-district, the parameter relevant with cell selecting, maximum transmission power, band information, the schedule information of system information, the TDD configuration parameter, the SI length of window, systemInfoValueTag, access barred information, wireless resource configuration, terminal timer and some constant information, frequency information, multimedia broadcasting and multicast single frequency network MBSFN subframe configuration information, the information of synchro timer, the common parameter of sub-district gravity treatment, the cell reselection parameters of service frequency, the relevant parameter of co-frequency cell gravity treatment, co-frequency cell information, with frequency blacklist cell information, the Physical Cell Identifier of CSG sub-district with and scope, the alien frequencies carrier information, the relevant information that is used for the gravity treatment of UTRA system cell, the relevant information that is used for the gravity treatment of GERAN system cell, the relevant information that is used for the gravity treatment of cdma2000 sub-district, only carry the identification information of Home eNodeB Home Node B, carry the main notice that is used for early warning ETWS, carry the assistant notification that is used for early warning ETWS.
Referring to Figure 11, subscriber equipment comprises in the present embodiment: interface module 1101 and control module 1102.
System information is carried in specific bit position in the user-specific signaling.The specific bit position of control module 1102 from the user-specific signaling obtains system information.Perhaps, the user-specific signaling also comprises the bit that is used to indicate whether to carry system information.When control module 1102 identifies information representation that the bit that is used to indicate whether to carry system information carries and has system information, from the user-specific signaling, obtain system information.
The user-specific signaling also comprises the entry-into-force time of system information.Control module 1102 also is used for using the system information that obtains when arriving the entry-into-force time of system information.During entry-into-force time of control module 1102 detection of system information in arrive recovering, recover detection to system information in the broadcast signaling to broadcast signaling.Perhaps, interface module 1101 also is used to receive the user-specific signaling that has recovery detection indication information, and this recovery detects indication information and is used for indicating the detection of UE recovery to the broadcast signaling system information.Perhaps, when control module 1102 is used for also determining that metrical information is not less than default thresholding, recover detection to system information in the broadcast signaling.
The embodiment of the invention is by user-specific signaling transmission system information, and the transmission location of user-specific signaling is more flexible, can solve the interference problem of being brought in fixed position transmitting system information in the prior art.Before system information, also judge the reliability of transmission, in the embodiment of the invention so that UE obtains system information reliably.And, check also whether UE has system information, in order to avoid repeat transmission.UE can stop conventional system information and detect, with energy efficient when obtaining system information by the user-specific signaling.The embodiment of the invention is almost each link multiple implementation all is provided, to adapt to the needs of variety of network environments or communication system.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (40)
1. the method for a system information is characterized in that, may further comprise the steps:
The user equipment (UE) that covers the cavity is determined to be in the base station;
The base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
2. the method for claim 1 is characterized in that, the base station determines that the step that is in the user equipment (UE) that covers the cavity comprises: when the base station determines that UE satisfies one of following condition at least, determine that this UE is in the UE that covers the cavity; Condition comprises:
For the UE that finishes switching, switch to and force to switch;
The channel quality indicator (CQI) that UE reports is lower than default CQI thresholding;
The local area Reference Signal Received Quality RSRQ that UE reports is lower than default RSRQ thresholding;
The local area Reference Signal Received Power RSRP that UE reports is lower than default RSRP thresholding;
The local area RSRQ that UE reports in default duration all is lower than default RSRQ thresholding;
The local area RSRP that UE reports in default duration all is lower than default RSRP thresholding;
The local area RSRQ that UE reports is lower than default RSRQ difference threshold than the RSRQ of neighbor cell;
The local area RSRP that UE reports is lower than default RSRP difference threshold than the RSRP of neighbor cell.
3. method as claimed in claim 2 is characterized in that, the base station is determined to switch to the step of forcing to switch and comprised: the base station obtains handover information by X2 interface, and forces the handover information of switching to determine to switch to according to expression and force to switch.
4. method as claimed in claim 3 is characterized in that handover information is carried in the handoff request.
5. the method for claim 1 is characterized in that, the base station to be in the UE that covers the cavity send have the user-specific signaling of system information before, also comprise step: the base station judge current whether can reliable transmission user-specific signaling;
If energy reliable transmission user-specific signaling, then the base station sends the user-specific signaling that has system information to being in the UE that covers the cavity.
6. method as claimed in claim 5 is characterized in that, the base station judges that current step that whether can reliable transmission user-specific signaling comprises: judge when the base station is determined to satisfy one of following condition current can reliable transmission user-specific signaling; Condition comprises:
The UE of base station statistics satisfies default statistics thresholding at the statistics of correctly replying ACK or wrong responses NACK of Physical Downlink Shared Channel PDSCH feedback;
The interference of base station network enabled side suppresses mechanism;
UE supports the interference of user side to suppress mechanism.
7. method as claimed in claim 6, it is characterized in that, the base station determines that the step that UE supports the interference of user side to suppress mechanism comprises: when the UE access network, the base station obtains the information of whether supporting to disturb inhibition mechanism that UE reports, this information representation support is disturbed when suppressing mechanism, and the base station determines that UE supports the interference of user side to suppress mechanism.
8. the method for claim 1 is characterized in that, system information comprises one of following message at least:
Downlink bandwidth, the configuration information of the automatic request retransmission indicating channel of physical mixed PHICH, system frame number SFN, insert relevant information with the sub-district, the parameter relevant with cell selecting, maximum transmission power, band information, the schedule information of system information, the TDD configuration parameter, schedule information SI length of window, system information change sign systemInfoValueTag, access barred information, wireless resource configuration, terminal timer and some constant information, frequency information, multimedia broadcasting and multicast single frequency network MBSFN subframe configuration information, the information of synchro timer, the common parameter of sub-district gravity treatment, the cell reselection parameters of service frequency, the relevant parameter of co-frequency cell gravity treatment, co-frequency cell information, with frequency blacklist cell information, the Physical Cell Identifier of closed user group CSG sub-district with and scope, the alien frequencies carrier information, the relevant information that is used for the gravity treatment of general land wireless access UTRA system cell, the relevant information that is used for the gravity treatment of GSM EDGE Radio Access Network GERAN system cell, be used for the relevant information that code division multiple access inserts the gravity treatment of 2000cdma2000 system cell, only carry the identification information of Home eNodeB Home Node B, carry the main notice that is used for early warning seismic sea wave early warning system ETWS, carry the assistant notification that is used for early warning ETWS.
9. as each described method in the claim 1 to 8, it is characterized in that the user-specific signaling also comprises the entry-into-force time of system information.
10. method as claimed in claim 9 is characterized in that, also comprises step: when arriving the entry-into-force time of system information, the base station sends the broadcast signaling that has system information.
11., it is characterized in that system information is carried in the specific bit position in the user-specific signaling as each described method in the claim 1 to 8; Perhaps, the user-specific signaling also comprises the bit that is used to indicate whether to carry system information.
12., it is characterized in that described user-specific signaling also is used to indicate the UE signaling system information of going off the air to detect as each described method in the claim 1 to 8.
13. method as claimed in claim 12 is characterized in that, also comprises step: the base station sends expression to UE and recovers the indication information that the broadcast signaling system information detects.
14. the method for a system information is characterized in that, may further comprise the steps:
UE receives the user-specific signaling that has system information;
UE obtains system information from the user-specific signaling.
15. method as claimed in claim 14 is characterized in that, comprises that also step: UE receives the broadcast signaling that has system information; UE adopts the last system information of receiving.
16. method as claimed in claim 14 is characterized in that, system information is carried in the specific bit position in the user-specific signaling; UE obtains system information from the user-specific signaling step comprises: the specific bit position of UE from the user-specific signaling obtains system information; Perhaps
The user-specific signaling also comprises the bit that is used to indicate whether to carry system information; UE obtains system information from the user-specific signaling step comprises: when UE identifies information representation that the bit that is used to indicate whether to carry system information carries and has system information, obtain system information from the user-specific signaling.
17. method as claimed in claim 14 is characterized in that, UE comprises that also step: UE stops the detection to system information in the broadcast signaling after receiving and having the user-specific signaling of system information.
18. method as claimed in claim 17 is characterized in that, the user-specific signaling also comprises the entry-into-force time of system information; Also comprise step: when arriving the entry-into-force time of system information, UE uses the system information that obtains.
19. method as claimed in claim 17 is characterized in that, also comprises step: during the entry-into-force time of the detection of system information, UE recovers the detection to system information in the broadcast signaling in arrive recovering broadcast signaling; Perhaps
Described method comprises that also step: UE receives the user-specific signaling that has recovery detection indication information, and this recovery detects indication information and is used for indicating the detection of UE recovery to the broadcast signaling system information; Perhaps
Described method also comprises when step: UE determines that metrical information is not less than default thresholding, recovers the detection to system information in the broadcast signaling.
20. method as claimed in claim 14 is characterized in that, comprises that also step: UE reports expression whether to support to disturb the information that suppresses mechanism when access network.
21. a base station is characterized in that, comprising:
Control module is used to determine to be in the user equipment (UE) that covers the cavity;
Interface module is used for sending the user-specific signaling that has system information to being in the UE that covers the cavity.
22. base station as claimed in claim 21 is characterized in that, for the UE that satisfies one of following condition at least, control module determines that this UE is in the UE that covers the cavity; Condition comprises:
For the UE that finishes switching, switch to and force to switch;
The CQI that UE reports is lower than default CQI thresholding;
The local area RSRQ that UE reports is lower than default RSRQ thresholding;
The local area RSRP that UE reports is lower than default RSRP thresholding;
The local area RSRQ that UE reports in default duration all is lower than default RSRQ thresholding;
The local area RSRP that UE reports in default duration all is lower than default RSRP thresholding;
The local area RSRQ that UE reports is lower than default RSRQ difference threshold than the RSRQ of neighbor cell;
The local area RSRP that UE reports is lower than default RSRP difference threshold than the RSRP of neighbor cell.
23. base station as claimed in claim 22 is characterized in that control module obtains handover information by X2 interface, and determines to switch to the pressure switching according to the handover information that expression is forced to switch.
24. base station as claimed in claim 23 is characterized in that handover information is carried in the handoff request.
25. base station as claimed in claim 21 is characterized in that, control module also be used to judge current whether can reliable transmission user-specific signaling;
If energy reliable transmission user-specific signaling, then interface module sends the user-specific signaling that has system information to being in the UE that covers the cavity.
26. base station as claimed in claim 25 is characterized in that, judge when control module is determined to satisfy one of following condition current can reliable transmission user-specific signaling; Condition comprises:
The UE of control module statistics satisfies default statistics thresholding at the statistics of correctly replying ACK or wrong responses NACK of Physical Downlink Shared Channel PDSCH feedback;
The interference of base station network enabled side suppresses mechanism;
UE supports the interference of user side to suppress mechanism.
27. base station as claimed in claim 26, it is characterized in that when the UE access network, control module obtains the information of whether supporting to disturb inhibition mechanism that UE reports, this information representation support is disturbed when suppressing mechanism, and control module determines that UE supports the interference of user side to suppress mechanism.
28. base station as claimed in claim 21 is characterized in that, system information comprises one of following message at least:
Downlink bandwidth, the configuration information of PHICH, system frame number SFN, insert relevant information with the sub-district, the parameter relevant with cell selecting, maximum transmission power, band information, the schedule information of system information, the TDD configuration parameter, the SI length of window, systemInfoValueTag, access barred information, wireless resource configuration, terminal timer and some constant information, frequency information, multimedia broadcasting and multicast single frequency network MBSFN subframe configuration information, the information of synchro timer, the common parameter of sub-district gravity treatment, the cell reselection parameters of service frequency, the relevant parameter of co-frequency cell gravity treatment, co-frequency cell information, with frequency blacklist cell information, the Physical Cell Identifier of CSG sub-district with and scope, the alien frequencies carrier information, the relevant information that is used for the gravity treatment of UTRA system cell, the relevant information that is used for the gravity treatment of GERAN system cell, the relevant information that is used for the gravity treatment of cdma2000 sub-district, only carry the identification information of Home eNodeB Home Node B, carry the main notice that is used for early warning ETWS, carry the assistant notification that is used for early warning ETWS.
29., it is characterized in that the user-specific signaling also comprises the entry-into-force time of system information as each described base station in the claim 21 to 28.
30. base station as claimed in claim 29 is characterized in that, interface module also is used for sending the broadcast signaling that has system information when arriving the entry-into-force time of system information.
31., it is characterized in that system information is carried in the specific bit position in the user-specific signaling as each described base station in the claim 21 to 28; Perhaps, the user-specific signaling also comprises the bit that is used to indicate whether to carry system information.
32., it is characterized in that described user-specific signaling also is used to indicate the UE signaling system information of going off the air to detect as each described base station in the claim 21 to 28.
33. base station as claimed in claim 32 is characterized in that, interface module also is used for sending expression to UE and recovers the indication information that the broadcast signaling system information detects.
34. a subscriber equipment is characterized in that, comprising:
Interface module is used to receive the user-specific signaling that has system information;
Control module is used for obtaining system information from the user-specific signaling.
35. subscriber equipment as claimed in claim 34 is characterized in that, interface module also is used to receive the broadcast signaling that has system information; Control module also is used to the system information that adopts the last time to receive.
36. subscriber equipment as claimed in claim 34 is characterized in that, system information is carried in the specific bit position in the user-specific signaling; The specific bit position of control module from the user-specific signaling obtains system information; Perhaps
The user-specific signaling also comprises the bit that is used to indicate whether to carry system information; When control module identifies information representation that the bit that is used to indicate whether to carry system information carries and has system information, from the user-specific signaling, obtain system information.
37. subscriber equipment as claimed in claim 34 is characterized in that, interface module stops the detection to system information in the broadcast signaling after receiving and having the user-specific signaling of system information.
38. subscriber equipment as claimed in claim 37 is characterized in that, the user-specific signaling also comprises the entry-into-force time of system information; Control module also is used for using the system information that obtains when arriving the entry-into-force time of system information.
39. subscriber equipment as claimed in claim 38 is characterized in that, during entry-into-force time of control module detection of system information in arrive recovering broadcast signaling, recovers the detection to system information in the broadcast signaling; Perhaps
Interface module also is used to receive the user-specific signaling that has recovery detection indication information, and this recovery detects indication information and is used for indicating the detection of UE recovery to the broadcast signaling system information; Perhaps
When control module is used for also determining that metrical information is not less than default thresholding, recover detection to system information in the broadcast signaling.
40. subscriber equipment as claimed in claim 34 is characterized in that, interface module also is used for reporting when access network expression whether to support to disturb the information that suppresses mechanism.
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| CN2011101639752A CN102223690A (en) | 2011-06-17 | 2011-06-17 | Methods for transmitting system information and devices |
| PCT/CN2012/073347 WO2012171393A1 (en) | 2011-06-17 | 2012-03-30 | Method and device for transmitting system information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101639752A CN102223690A (en) | 2011-06-17 | 2011-06-17 | Methods for transmitting system information and devices |
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| CN2011101639752A Pending CN102223690A (en) | 2011-06-17 | 2011-06-17 | Methods for transmitting system information and devices |
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| WO (1) | WO2012171393A1 (en) |
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Application publication date: 20111019 |