CN102142933A - Method for obtaining parameter information, base station, user equipment and communication system - Google Patents
Method for obtaining parameter information, base station, user equipment and communication system Download PDFInfo
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Abstract
The embodiment of the invention provides a method for obtaining parameter information, a base station, user equipment and a communication system. The method for obtaining parameter information comprises the steps of: setting corresponding parameter information for indication information of a physical format indication channel, to be sent to the user equipment, wherein the parameter information is information of parameters m of a physical hybrid retransmission indication channel; and sending the indication information of the physical format indication channel to the user equipment so that the user equipment obtains information corresponding to the parameters m according to the indication information of the physical format indication channel. By adopting the technical scheme provided by the embodiment of the invention, the process of demodulating system messages by the user equipment can be simplified, therefore, access time delay of accessing the base station by the user equipment can be effectively shortened.
Description
Technical field
The embodiment of the invention relates to communication technical field, relates in particular to a kind of acquisition methods, base station, subscriber equipment and communication system of parameter information.
Background technology
Along with the development of user data service demand, RFDC is in higher rate, and there has been stronger requirement aspects such as lower time delay.Third generation partner program (3rd GenerationPartnership Project; Hereinafter to be referred as 3GPP) standardization body started long evolving system (LongTerm Evolution; Hereinafter to be referred as LTE) research.
In the LTE system, the physical control channel of down direction mainly contains physical format indicating channel (Physical Control Format Indicator Channel; Hereinafter to be referred as PCFICH), downlink physical control channel (Physical Downlink Control Channel; Hereinafter to be referred as PDCCH) and physical mixing retransmission indicating chanel (Physical Hybrid-ARQ Indicator Channel; Hereinafter to be referred as PHICH) three; Also comprise a Physical Downlink Shared Channel (Physical Downlink SharedChannel; Hereinafter to be referred as PDSCH).The symbolic number that takies of the control channel of PCFICH indicating downlink direction wherein, PDCCH indicates information such as the frequency domain position at corresponding PDSCH place and modulation coding mode, and PHICH is used to send subscriber equipment (User Equipment; Hereinafter to be referred as UE) the ACK/NACK indication information of upstream data.PDSCH is used for sending downlink data.Wherein the position time domain of PCFICH is in first symbol, and frequency domain position is determined by physical district ID, total resources element (the Resource Element of use; Hereinafter to be referred as RE) number is 16.1-3 symbol before PHICH can account on time domain uses the some symbols that do not used by PCFICH according to certain mapping ruler on the frequency domain.Total RE number that PHICH uses is relevant with its total group number.PHICH always organizes number and multiply by a parameter m relevant with subframe numbers by a benchmark group number and obtain.Parameter m is used to represent the group number of PHICH, and m is exactly 1 for the FDD system parameters; For the TDD system, because may lack than the sub-frame of uplink number by the descending sub frame number, so a corresponding sometimes descending sub frame needs 2 sub-frame of uplink of corresponding feedback, this moment, parameter m was 2.The information of physical control channel can be referring to the 3GPP technical specification in the LTE system, such as: 3GPP TS36.211.The content of 3GPP technical specification can be obtained by network, and network address is:
Http:// www.3gpp.org/
Time division duplex (Time Division Duplexing at LTE; Hereinafter to be referred as TDD) in the system, the configuration parameter information that UE obtains base station (eNobeB) inserts among this eNobeB in order to follow-up this UE.Generally, UE at first needs to receive the system message that eNodeB sends, and this system message is commonly referred to system message 1, and (System Information Block Type 1 SI-1), is used for the configuration parameter information to each UE transmitting system.This system message 1 takes dynamic dispatching to send according to the aforementioned channels form on subframe 5.UE is under the situation of uncertain PHICH corresponding parameters m, in order correctly to receive sub-district, UE place configuration parameter corresponding information, the method of this system message 1 of UE demodulation is for adopting the method for blind check, 3 kinds of the m of 5 work song frames may 0,1,2 be all attempted once, to receive for example uplink-downlink configuration parameter of configuration parameter corresponding information, this eNodeB provides assurance for the follow-up access of this UE.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: UE is in demodulating system message 1 in the prior art, the possible value of institute that needs the method trial m of employing blind check, the demodulating process more complicated has prolonged the access delay that follow-up UE inserts this eNodeB.
Chinese patent application (publication number CN101669304A) discloses a kind of method of obtaining the scope of resource information that is used for PHICH.The scope of resource that is used to transmit PHICH can be specified by the first information and second information, and the first information is corresponding to every subframe PHICH number, and second information is corresponding to the duration of PHICH in this subframe.The first information can be designated as the form that predetermined radix be multiply by specific constant and produce.And, can transmit this specific constant via PBCH.Second information also can be obtained from PBCH.
Patent application (publication number WO2009/129343A1) discloses the method that sends the PHICH resource allocation.The PHICH resource allocation information into universal coding signal that is encoded sends to this universal coding signal and accesses terminal.This universal coding signal can send to by PBCH and access terminal, and also can send to by the RRC signaling of special use to access terminal when switching.
Summary of the invention
The embodiment of the invention provides a kind of acquisition methods, base station, subscriber equipment and communication system of parameter information, in order to solve the defective of UE demodulating process complexity in demodulating system message 1 in the prior art, can shorten the access delay that follow-up UE inserts eNodeB.
The embodiment of the invention provides a kind of acquisition methods of parameter information, comprising:
For the indication information of the physical format indicating channel of subscriber equipment of giving to be sent is provided with corresponding parameters information; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel;
Send the indication information of described physical format indicating channel to described subscriber equipment,, obtain the information of corresponding described parameter m for the indication information of subscriber equipment according to described physical format indicating channel.
The embodiment of the invention also provides a kind of acquisition methods of parameter information, comprising:
Receive the indication information of the physical format indicating channel of base station transmission;
According to the indication information of described physical format indicating channel, obtain the indication information corresponding parameters information of described physical format indicating channel; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel.
The embodiment of the invention also provides a kind of base station, comprising:
Module is set, is used to the indication information of the physical format indicating channel of subscriber equipment of giving to be sent that corresponding parameters information is set; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel;
Sending module is used for sending to described subscriber equipment the indication information of described physical format indicating channel, for the indication information of subscriber equipment according to described physical format indicating channel, obtains the information of corresponding described parameter m.
The embodiment of the invention also provides a kind of subscriber equipment, comprising:
Receiver module is used to receive the indication information of the physical format indicating channel that the base station sends;
Acquisition module is used for the indication information according to described physical format indicating channel, obtains the indication information corresponding parameters information of described physical format indicating channel; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel.
The embodiment of the invention also provides a kind of communication system, comprises base station and subscriber equipment;
Described base station is used to the indication information of the physical format indicating channel of described subscriber equipment of giving to be sent that corresponding parameters information is set; Described parameter information is the parameter information m of physical mixing retransmission indicating chanel; Send the indication information of described physical format indicating channel to described subscriber equipment;
Described subscriber equipment is used to receive the indication information of the described physical format indicating channel that described base station sends; According to the indication information of described physical format indicating channel, obtain the information of described parameter m of the indication information correspondence of described physical format indicating channel.
The acquisition methods of the parameter information of the embodiment of the invention, base station, subscriber equipment and communication system, the base station is by for the indication information of the physical format indicating channel of subscriber equipment of giving to be sent is provided with corresponding parameters information, and the indication information of physical format indicating channel is sent to subscriber equipment.Subscriber equipment receives the indication information of physical format indicating channel, and according to the indication information of physical format indicating channel, obtains corresponding parameters information; Wherein this parameter information is the information of the parameter m of physical mixing retransmission indicating chanel; Adopt the acquisition methods of the parameter information of the embodiment of the invention, subscriber equipment directly can get access to parameter information according to the indication information of the physical format indicating channel in the system message, and then can get access to configuration parameter information in the system message, insert this base station in order to subsequent user equipment.Therefore, adopt the technical scheme of the embodiment of the invention, can simplify the process of subscriber equipment demodulating system message, thereby can shorten the access delay that subscriber equipment inserts this base station effectively.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of the acquisition methods of the parameter information that Fig. 1 provides for the embodiment of the invention one.
The flow chart of the acquisition methods of the parameter information that Fig. 2 provides for the embodiment of the invention two.
The structural representation of the base station that Fig. 3 provides for the embodiment of the invention three.
The structural representation of the UE that Fig. 4 provides for the embodiment of the invention four.
The structural representation of the communication system that Fig. 5 provides for the embodiment of the invention five.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In the LTE system, defined two types node, the base station (eNB, HeNB) and IAD (MME/SAE gateway).The base station belongs to E-UTRAN, and the MME/SAE gateway then belongs to evolution block core net network (EPC).Defined X2 interface between the base station.Defined the S1 interface between base station and the MME/SAE gateway.Each base station is corresponding with one or more sub-district.One and a plurality of user equipment (UE)s can be served in each sub-district.Subscriber equipment includes but not limited to: mobile phone, notebook computer, net book, PDA, the consumption electronic product of band wireless communication module, wireless communication module.
The flow chart of the acquisition methods of the parameter information that Fig. 1 provides for the embodiment of the invention one.As shown in Figure 1, the executive agent of the acquisition methods of the parameter information of present embodiment is the base station, for example can be the eNodeB in the LTE system.The acquisition methods of the parameter information of present embodiment specifically can comprise the steps:
Step 100, corresponding PHICH parameter information is set for the indication information of PCFICH;
Wherein, the indication information of PCFICH can be indicated (Control FormatIndicator for control format; Be designated hereinafter simply as CFI).CFI is used to indicate the PDCCH symbolic number.CFI can be used for parameter information, i.e. PHICH group number m at the 5 work song frames indication PHICH of TDD system among the present invention.
Step 101, send the indication information of above-mentioned PCFICH, according to the indication information of PCFICH, the indication information of PCFICH and the corresponding relation of PHICH parameter information, obtain corresponding PHICH parameter information for UE to UE.
Particularly, just base station such as eNodeB transmitting system message also are to carry out on three descending physical control channels and a shared channel.Because the PCFICH fixed-site in the descending physical control channel, the indication information that eNodeB can treat the PCFICH that sends to UE is provided with the parameter information of corresponding PHICH.Wherein the indication information of PCFICH can adopt the 2bit byte to represent, for example " 00 ", " 01 ", " 10 ", " 11 ".The indication information that is specifically as follows each PCFICH is provided with the parameter information of corresponding PHICH, with the mapping relations between the parameter information of the indication information of setting up PCFICH and PHICH.Certainly set after the mapping relations, need be with such mapping relations notice UE.Specifically can be that eNode B notifies UE by signaling with mapping relations, also can be that other network element is notified UE by signaling with mapping relations, for example by the O﹠M network element.Can also be that mapping relations are kept at respectively among eNode B and the UE in advance.Indication information with PCFICH sends to UE then, because the indication information of indication PCFICH is in the fixed-site of physical control channel, UE just can directly get access to the indication information of PCFICH according to the physical control channel of fixed position, and obtains the parameter information of corresponding PHICH according to the indication information of this PCFICH, the indication information and the corresponding relation of PHICH parameter information of PCFICH.Thereby this UE can get access to corresponding configuration parameter information easily, and inserts this eNodeB.
The acquisition methods of the parameter information of present embodiment, eNodeB be by for the indication information of the PCFICH of UE of giving to be sent is provided with corresponding parameters information, and the indication information of PCFICH is sent to UE, for UE according to the indication information of the PCFICH information that gets parms.Adopt the acquisition methods of the parameter information of present embodiment, UE directly can get access to parameter information according to the indication information of PCFICH, and then can get access to configuration parameter information, inserts this eNodeB in order to follow-up UE.Therefore, adopt the technical scheme of present embodiment, can shorten the access delay that UE inserts this eNodeB effectively.
In the TDD of LTE system, the relation of the parameter information m of PHICH and subframe numbers (Subframenumber) and uplink-downlink configuration (Uplink-downlink configuration) is as shown in table 1 below:
Table 1
The downlink data that UE sends for the normal eNodeB of reception after inserting eNodeB, at first need to receive the indication information of the PCFICH that eNodeB sends, and obtain the uplink-downlink configuration parameter that eNodeB sends according to the indication information of this PCFICH, UE can obtain the parameter information m of the PHICH of each subframe correspondence like this, can determine the position of the PHICH information of each subframe correspondence, and then the information of definite PDCCH, and the position that obtains PDSCH according to the information of this PDCCH, thereby can get access to the downlink data that sends among the PDSCH.But,, also can't determine the parameter information m of PHICH so when receiving, also do not know the uplink-downlink configuration parameter of current area because the system message itself that eNodeB sends by the form of broadcasting to UE is exactly in subframe 5 enterprising action attitudes scheduling.So the embodiment of the invention can be utilized the fixed-site of PCFICH indication information corresponding physical control format channel, utilize the parameter information m of the Indication message indication PHICH of PCFICH, so that UE solves the uplink-downlink configuration parameter of current area.
Particularly, for the indication information of the PCFICH of UE of giving to be sent is provided with corresponding parameters information, be specially in the step 100 in the foregoing description: if the indication information of PCFICH symbol numbers also in order to indicate three downlink physical control channels to take.
Table 2
For example as shown in table 2, when the indication " 00 " of PCFICH expression indication information be 0, be 1 also in order to the symbol numbers of indicating three downlink physical control channels to take.When the indication " 01 " of PCFICH expression indication information be 1, be 2 also in order to the symbol numbers of indicating three downlink physical control channels to take.When the indication " 10 " of PCFICH expression indication information be 2, be 3 also in order to the symbol numbers of indicating three downlink physical control channels to take.When the indication " 11 " of PCFICH expression indication information be 3, temporary transient not symbol numbers in order to indicate three downlink physical control channels to take.Also when the indication information as PCFICH was 0-2, the indication information corresponding parameters information that PCFICH is set was 1 to eNodeB simultaneously; The parameter information m that is PHICH is 1.Perhaps when the indication information of PCFICH was 3, the indication information corresponding parameters information that PCFICH is set was 0 or 2; The parameter information m that is PHICH is 0 or 2.
According to above-mentioned table 1, when the parameter information m of PHICH was 1, the uplink-downlink configuration of corresponding current area was 6, and this moment, the parameter information m value of PHICH was definite, without blind check during UE demodulating system message.When being 0-5 for the uplink-downlink configuration when current area, UE in the demodulating system message, only needs to attempt the situation of m=0 and m=2 on 5 work song frames.Compared with prior art, reduce UE demodulating system message complexity, can reduce the access delay that UE inserts eNodeB effectively.
Adopt the technical scheme of the foregoing description, not only on 5 work song frames, kept and to have adopted the dynamically function of the symbol numbers that takies of three downlink physical control channels of indication of PCFICH, simultaneously UE demodulating system message complexity can also be reduced, the access delay that UE inserts eNodeB can be reduced effectively.
The function that has kept the symbol numbers that three downlink physical control channels of the dynamic indication of continuation employing PCFICH take on 5 work song frames in the above-described embodiments.In the practical application, in the TDD of LTE, can be on 5 work song frames the symbol numbers that takies of three downlink physical control channels can no longer dynamically indicate by PCFICH, can be fixed as a numerical value, for example be fixed as 3 or maintenance identical with a last subframe.At this moment, the step 100 in the foregoing description specifically can also for:
Table 3
| The indication of PCFICH | Indication information | The parameter information m of PHICH |
| 00 | 0 | 2 |
| 01 | 1 | 1 |
| 10 | 2 | 0 |
| 11 | 3 | 0 |
If the symbol numbers that the indication information of PCFICH does not take in order to indicant reason control channel (being three descending physical control channels), and when the indication " 00 " of PCFICH represents that the indication information of PCFICH is 0, the indication information corresponding parameters information that PCFICH can be set is 2, i.e. the parameter information m=2 of PHICH; When the indication " 01 " of PCFICH represented that the indication information of PCFICH is 1, the indication information corresponding parameters information that PCFICH can be set was 1, i.e. the parameter information m=1 of PHICH; When the indication information of representing PCFICH when the indication " 10 " of PCFICH or " 11 " respectively was 2 or 3, the indication information corresponding parameters information that PCFICH can be set was 0, i.e. the parameter information m=0 of PHICH.As shown in table 3 in detail.
Adopt technique scheme,, thereby get access to the system configuration parameter information that sends among the PDSCH such as the information such as uplink-downlink configuration of current area just UE can determine the parameter information m of PHICH by the indication information of PCFICH.And need not as prior art, the various values to m attempt.Adopt the technical scheme of the foregoing description, reduced UE demodulated complex degree, can reduce the access delay that UE inserts eNodeB effectively.
Need to prove that in the technical scheme of the foregoing description, except the indication information corresponding parameters information m that PCFICH is set, all right implicit expression of indication information that this PCFICH can also be set is indicated the uplink-downlink configuration information of the current area at UE place.
Table 4
As shown in table 4, when the indication " 00 " of PCFICH represents that the indication information of PCFICH is 0, the indication information corresponding parameters information that PCFICH is set is 2, i.e. the uplink-downlink configuration that the parameter information m=2 of PHICH, the indication information of this PCFICH can also implicit expression indication current area is 0.When the indication " 01 " of PCFICH represented that the indication information of PCFICH is 1, the indication information corresponding parameters information that PCFICH is set was 1, i.e. the parameter information m=1 of PHICH; The indication information of this PCFICH can also implicit expression the uplink-downlink configuration of indication current area be 6.When the indication " 10 " of PCFICH represented that the indication information of PCFICH is 2, the indication information corresponding parameters information that PCFICH is set was 0, i.e. the parameter information m=0 of PHICH.The indication information of this PCFICH can also implicit expression indicate the uplink-downlink configuration of current area in the scope of 1-4.When the indication " 11 " of PCFICH represented that the indication information of PCFICH is 3, the indication information corresponding parameters information that PCFICH can be set was 0, i.e. the parameter information m=0 of PHICH.The indication information of this PCFICH can also implicit expression the uplink-downlink configuration of indication current area be 5.
In the technical scheme of the foregoing description, when the indication information of PCFICH is 2, the parameter information m=0 of PHICH is set, and the indication information of this PCFICH can also implicit expression the uplink-downlink configuration of indication current area in the scope of 1-4 the time, the uplink-downlink configuration information of concrete corresponding current area is still given indication in PSDCH.Reference table 1, the uplink-downlink configuration of current area can be 0-6, has 7 kinds of situations.In the time of expression, to occupy 3bit at least and just can show.And in the present embodiment, can determine the scope of the uplink-downlink configuration of the uplink-downlink configuration information of current area or current area in conjunction with the indication information of PCFICH.In the scope of uplink-downlink configuration at 1-4 of determining current area according to the indication information of PCFICH, only need be provided with the uplink-downlink configuration information of 2bit in order to the indication current area at PSDCH this moment.
Table 5
| The indication of PCFICH | Indication information | The bit that PSDCH is provided with | The uplink-downlink configuration of |
| 10 | 2 | ?00 | 1 |
| 10 | 2 | ?01 | 2 |
| 10 | 2 | ?10 | 3 |
| 10 | 2 | ?11 | 4 |
For example as shown in table 5, " 10 " the uplink-downlink configuration information of when indication information of expression is 2, getting " 00 " expression current area in PSDCH is 1 when the indication of PCFICH." 10 " the uplink-downlink configuration information of when indication information of expression is 2, getting " 01 " expression current area in PSDCH is 2 when the indication of PCFICH." 10 " the uplink-downlink configuration information of when indication information of expression is 2, getting " 10 " expression current area in PSDCH is 3 when the indication of PCFICH." 10 " the uplink-downlink configuration information of when indication information of expression is 2, getting " 11 " expression current area in PSDCH is 4 when the indication of PCFICH.Adopt such scheme, compared with prior art, can in transmission of messages, save the load of 1bit.
The plan of establishment of the foregoing description only is an embodiment, in the practical application, can carry out the concrete relative set of other numerical value to the uplink-downlink configuration information of the parameter information m of PHICH and current area with reference to the plan of establishment of the foregoing description, not repeat them here.
Adopt the technical scheme of the foregoing description, reduced UE demodulating system message complexity, can reduce the access delay that UE inserts eNodeB effectively.But also in transmission of messages, reduce the load of 1bit.
The flow chart of the acquisition methods of the parameter information that Fig. 2 provides for the embodiment of the invention two.As shown in Figure 2, the executive agent of the acquisition methods of the parameter information of present embodiment is UE.The acquisition methods of the parameter information of present embodiment specifically can comprise:
The indication information of the PCFICH that step 200, reception base station such as eNodeB send;
Step 201, according to the indication information of PCFICH, obtain the indication information corresponding parameters information of PCFICH; This parameter information is the information of the parameter m of PHICH;
Wherein the information of the parameter m of this PHICH is in order to the position of the information of definite PHICH.
In the present embodiment, the indication information of PCFICH can be indicated CFI for control format.CFI is used to indicate the PDCCH symbolic number.CFI can be used for parameter information, i.e. PHICH group number m at the 5 work song frames indication PHICH of TDD system among the present invention.
Particularly, UE receives the indication information of the PCFICH that base station such as eNode B send, and according to the indication information of PCFICH, obtains corresponding parameters information, further to obtain the information such as uplink-downlink configuration of system configuration parameter information such as current area.The technical scheme of present embodiment occurs in UE and inserts or prepare to insert before this eNodeB, and UE gets access to after the system configuration parameter information, just can insert this eNodeB according to system configuration parameter information.Need to prove, in the present embodiment before the step 100, UE need receive the indication information of PCFICH of this eNodeB notice and the mapping table of corresponding parameters information, so that after receiving the indication information of PCFICH, can get access to corresponding parameters information according to the indication information of PCFICH.Also can be in UE, to preserve the indication information of a PCFICH and the mapping table of corresponding parameters information.This mapping table can upgrading by eNode B and UE alternately.
The technical scheme of present embodiment is corresponding with the technical scheme of the foregoing description one, and present embodiment is described technical scheme of the present invention in UE one side, can not repeat them here with reference to the record of the foregoing description one in detail.
The acquisition methods of the parameter information of present embodiment, UE receive the indication information that eNodeB sends PCFICH, and according to the indication information of PCFICH, information gets parms.Adopt the acquisition methods of the parameter information of present embodiment, UE directly can get access to parameter information according to the indication information of PCFICH, and then can get access to the configuration parameter information in the system message, inserts eNodeB in order to follow-up UE.Therefore, adopt the technical scheme of present embodiment, can simplify the process of UE demodulating system message, thereby can shorten the access delay that UE inserts this eNodeB effectively.
Need to prove that on the basis of the technical scheme of the foregoing description, according to the indication information of PCFICH, the information that gets parms is specifically as follows in the step 201 in the foregoing description:
If the symbol numbers that the indication information of PCFICH takies in order to indication physical control channel (i.e. three descending physical control channels), and when the indication information of PCFICH was 0-2, according to the indication information of PCFICH, obtaining corresponding parameters information was 1.When the indication information of PCFICH was 3, according to the indication information of PCFICH, obtaining corresponding parameters information was 0 or 2.
Adopt technique scheme, UE in the demodulating system message, only needs to attempt the situation of m=0 and m=2 on 5 work song frames.Compared with prior art, reduce UE demodulating system message complexity, can reduce the access delay that UE inserts eNodeB effectively.
The technical scheme of the foregoing description can not repeat them here with reference to the above-mentioned technical scheme of describing in eNodeB one side in detail.
Adopt the technical scheme of the foregoing description, not only on 5 work song frames, kept and to have adopted the dynamically function of the symbol numbers that takies of three downlink physical control channels of indication of PCFICH, simultaneously UE demodulating system message complexity can also be reduced, the access delay that UE inserts eNodeB can be reduced effectively.
Need to prove, in the step 201 in the foregoing description according to the indication information of PCFICH, the information that gets parms, specifically can also for:
If the symbol numbers that the indication information of PCFICH does not take in order to indicant reason control channel (i.e. three descending physical control channels), and when the indication information of PCFICH was 0, according to the indication information of PCFICH, obtaining corresponding parameters information was 2; When the indication information of PCFICH was 1, according to the indication information of PCFICH, obtaining corresponding parameters information was 1; When the indication information of PCFICH was 2 or 3, according to the indication information of PCFICH, obtaining corresponding parameters information was 0.
The technical scheme of the foregoing description can not repeat them here with reference to the above-mentioned technical scheme of describing in eNodeB one side in detail.
Adopt technique scheme,, thereby get access to the system configuration parameter information that sends among the PDSCH such as the information such as uplink-downlink configuration of current area just UE can determine the parameter information m of PHICH by the indication information of PCFICH.And need not as prior art, the various values to m attempt.Adopt the technical scheme of the foregoing description, reduced UE demodulating system message complexity, can reduce the access delay that UE inserts eNodeB effectively.
Need to prove, on the basis of the foregoing description, when UE gets access to the parameter information m of PHICH according to the indication information of PCFICH, can further include following steps: when the indication information of PCFICH is 0, according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area is 0.When the indication information of PCFICH was 1, according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area was 6.When the indication information of PCFICH was 2, according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area was in the scope of 1-4.When the indication information of PCFICH was 3, according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area was 5.
The technical scheme of the foregoing description can not repeat them here with reference to the above-mentioned technical scheme of describing in eNodeB one side in detail.
Adopt the technical scheme of the foregoing description, reduced UE demodulating system message complexity, can reduce the access delay that UE inserts eNodeB effectively.And can also in transmission of messages, reduce the load of 1bit.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The structural representation of the base station that Fig. 3 provides for the embodiment of the invention three.As shown in Figure 3, the base station of present embodiment specifically can comprise: module 10 and sending module 11 are set.
The module 10 that is provided with in the base station of present embodiment is used to the indication information of the PCFICH of the UE of giving to be sent that corresponding parameters information is set.Wherein, the indication information of PCFICH can be indicated CFI for control format.CFI is used to indicate the PDCCH symbolic number.CFI can be used for parameter information, i.e. PHICH group number m at the 5 work song frames indication PHICH of TDD system among the present invention.Sending module 11 with module 10 be set be connected, sending module 11 is used for sending the indication information that the PCFICH that module 10 is provided with is set to UE, for the indication information of UE according to PCFICH, obtains corresponding parameters information.
The base station of present embodiment realizes that by adopting above-mentioned module obtaining of parameter information is identical with the realization mechanism of above-mentioned correlation technique embodiment, can not repeat them here with reference to the record of above-mentioned correlation technique embodiment in detail.The base station of present embodiment is specifically as follows the eNodeB among the LTE.
The base station of present embodiment is embodied as the indication information of the PCFICH of UE of giving to be sent by above-mentioned module corresponding parameters information is set, and the indication information of PCFICH is sent to UE, for UE according to the indication information of the PCFICH information that gets parms.Adopt the acquisition methods of the parameter information of present embodiment, UE directly can get access to parameter information according to the indication information of PCFICH, and then can get access to configuration parameter information, inserts this base station in order to follow-up UE.Therefore, adopt the technical scheme of present embodiment, can simplify the process of UE demodulating system message, thereby can shorten the access delay that UE inserts this base station effectively.
Need to prove, be provided with that if module 10 specifically is used for the symbol numbers that the indication information of PCFICH also takies in order to the indication physical control channel in the foregoing description, and when the indication information of PCFICH was 0-2, the indication information corresponding parameters information that PCFICH is set was 1; When the indication information of PCFICH was 3, the indication information corresponding parameters information that PCFICH is set was 0 or 2.
The specific implementation process of the foregoing description can not repeat them here with reference to the record of above-mentioned correlation technique embodiment in detail.
Adopt the technical scheme of the foregoing description, not only on 5 work song frames, kept and to have adopted the dynamically function of the symbol numbers that takies of three downlink physical control channels of indication of PCFICH, simultaneously UE demodulating system message complexity can also be reduced, the access delay of UE access base station can be reduced effectively.
Need to prove, if the module 10 that is provided with in the foregoing description specifically also is used for the symbol numbers that the indication information of PCFICH does not take in order to indicant reason control channel (i.e. three descending physical control channels), and when the indication information of PCFICH was 0, the indication information corresponding parameters information that PCFICH is set was 2; When the indication information of PCFICH was 1, the indication information corresponding parameters information that PCFICH is set was 1; When the indication information of PCFICH was 2 or 3, the indication information corresponding parameters information that PCFICH is set was 0.
On the basis of the scheme of the foregoing description, module 10 is set specifically also is used for when the indication information of PCFICH is 0, the uplink-downlink configuration of current area that the indication information correspondence of PCFICH also is set is 0; When the indication information of PCFICH was 1, the uplink-downlink configuration of current area that the indication information correspondence of PCFICH also is set was 6; When the indication information of PCFICH was 2, the uplink-downlink configuration of current area of indication information correspondence that PCFICH also is set was in the scope of 1-4; When the indication information of PCFICH was 3, the uplink-downlink configuration of current area that the indication information correspondence of PCFICH also is set was 5.
The specific implementation process of the foregoing description can not repeat them here with reference to the record of above-mentioned correlation technique embodiment in detail.
Adopt the technical scheme of the foregoing description, reduced UE demodulating system message complexity, can reduce the access delay of UE access base station effectively.And can also in transmission of messages, reduce the load of 1bit.
Those of ordinary skills understand, being described as of above embodiment described the simplification of architecture of base station, emphasis has been described the part that technical scheme of the present invention contributes to prior art in essence in other words, has omitted the description to the common segment of general base station.These common segments include but not limited to: processor, input, input, internal memory, chipset, transmission, master control, Base-Band Processing, radio frequency processing etc.
The structural representation of the UE that Fig. 4 provides for the embodiment of the invention four.As shown in Figure 4, the UE of present embodiment specifically can comprise: receiver module 20 and acquisition module 21.
The UE of present embodiment realizes that by adopting above-mentioned module obtaining of parameter information is identical with the realization mechanism of above-mentioned correlation technique embodiment, can not repeat them here with reference to the record of above-mentioned correlation technique embodiment in detail.
The UE of present embodiment realizes receiving the indication information that the base station sends PCFICH by adopting above-mentioned module, and according to the indication information of PCFICH, information gets parms.Adopt the acquisition methods of the parameter information of present embodiment, UE directly can get access to parameter information according to the indication information of PCFICH, and then can get access to configuration parameter information, in order to follow-up UE access base station.Therefore, adopt the technical scheme of present embodiment, can simplify the process of UE demodulating system message, thereby can shorten the access delay that UE inserts this base station effectively.
Need to prove, on the basis of the foregoing description, wherein if acquisition module 21 specifically is used for the symbol numbers that the indication information of PCFICH takies in order to the indication physical control channel, and when the indication information of PCFICH is 0-2, according to the indication information of PCFICH, obtaining corresponding parameters information is 1; When the indication information of PCFICH was 3, according to the indication information of PCFICH, obtaining corresponding parameters information was 0 or 2.
The specific implementation process of the foregoing description can not repeat them here with reference to the record of above-mentioned correlation technique embodiment in detail.
Adopt the technical scheme of the foregoing description, not only on 5 work song frames, kept and to have adopted the dynamically function of the symbol numbers that takies of three downlink physical control channels of indication of PCFICH, simultaneously UE demodulating system message complexity can also be reduced, the access delay of UE access base station can be reduced effectively.
Need to prove, if acquisition module 21 in the foregoing description specifically is used for the symbol numbers that the indication information of PCFICH does not take in order to indicant reason control channel, and when the indication information of PCFICH was 0, according to the indication information of PCFICH, obtaining corresponding parameters information was 2; When the indication information of PCFICH was 1, according to the indication information of PCFICH, obtaining corresponding parameters information was 1; When the indication information of PCFICH was 2 or 3, according to the indication information of PCFICH, obtaining corresponding parameters information was 0.
On the basis of the scheme of the foregoing description.Acquisition module 21 specifically also is used for when the indication information of PCFICH is 0, and according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area is 0; When the indication information of PCFICH was 1, according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area was 6; When the indication information of PCFICH was 2, according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area was in the scope of 1-4; When the indication information of PCFICH was 3, according to the indication information of PCFICH, the uplink-downlink configuration of obtaining current area was 5.
The specific implementation process of the foregoing description can not repeat them here with reference to the record of above-mentioned correlation technique embodiment in detail.
Adopt the technical scheme of the foregoing description, reduced UE demodulating system message complexity, can reduce the access delay that UE inserts eNodeB effectively.And can also in transmission of messages, reduce the load of 1bit.
The structural representation of the communication system that Fig. 5 provides for the embodiment of the invention five.As shown in Figure 5, the communication system of present embodiment specifically can comprise base station 30 and UE40.Base station 30 communicates to connect with UE40.
Above-mentioned base station embodiment illustrated in fig. 3 can be adopted in base station 30 in the communication system of present embodiment, and the base station here can be the eNodeB among the LTE particularly.UE 40 can adopt above-mentioned UE embodiment illustrated in fig. 4.The acquisition process of specific implementation parameter can not repeat them here with reference to the record of above-mentioned correlation technique embodiment.
The communication system of present embodiment by adopting above-mentioned base station and UE, can realize that UE directly can get access to parameter information according to the indication information of PCFICH, and then can get access to configuration parameter information, inserts this base station in order to follow-up UE.Therefore, adopt the technical scheme of present embodiment, can simplify the process of UE demodulating system message, thereby can shorten the access delay that UE inserts this base station effectively.
Those of ordinary skills understand, and being described as of above embodiment described the simplification of UE, and emphasis has been described the part that technical scheme of the present invention contributes to prior art in essence in other words, has omitted the description to the common segment of general UE.These common segments include but not limited to: processor, input, output, internal memory, chipset or the like.
Device embodiment described above only is schematic, wherein the unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed at least two network element.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills promptly can understand and implement under the situation of not paying performing creative labour.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (17)
1. the acquisition methods of a parameter information is characterized in that, comprising:
For the indication information of the physical format indicating channel of subscriber equipment of giving to be sent is provided with corresponding parameters information; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel;
Send the indication information of described physical format indicating channel to described subscriber equipment,, obtain the information of corresponding described parameter m for the indication information of subscriber equipment according to described physical format indicating channel.
2. the acquisition methods of parameter information according to claim 1 is characterized in that, and is described for the indication information of the physical format indicating channel of subscriber equipment of giving to be sent is provided with corresponding parameters information, specifically comprises:
If the symbol numbers that the indication information of described physical format indicating channel also takies in order to the indication physical control channel, and when the indication information of described physical format indicating channel was 0-2, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 1;
When the indication information of described physical format indicating channel was 3, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 0 or 2.
3. the acquisition methods of parameter information according to claim 1 is characterized in that, and is described for the indication information of the physical format indicating channel of subscriber equipment of giving to be sent is provided with corresponding parameters information, specifically comprises:
If the symbol numbers that the indication information of described physical format indicating channel does not take in order to indicant reason control channel, and when the indication information of described physical format indicating channel was 0, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 2;
When the indication information of described physical format indicating channel was 1, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 1;
When the indication information of described physical format indicating channel was 2 or 3, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 0.
4. the acquisition methods of parameter information according to claim 3 is characterized in that, also comprises:
When the indication information of described physical format indicating channel was 0, the uplink-downlink configuration of current area that the indication information correspondence of described physical format indicating channel also is set was 0;
When the indication information of described physical format indicating channel was 1, the uplink-downlink configuration of current area that the indication information correspondence of described physical format indicating channel also is set was 6;
When the indication information of described physical format indicating channel was 2, the uplink-downlink configuration of current area of indication information correspondence that described physical format indicating channel also is set was in the scope of 1-4;
When the indication information of described physical format indicating channel was 3, the uplink-downlink configuration of current area that the indication information correspondence of described physical format indicating channel also is set was 5.
5. the acquisition methods of a parameter information is characterized in that, comprising:
Receive the indication information of the physical format indicating channel of base station transmission;
According to the indication information of described physical format indicating channel, obtain the indication information corresponding parameters information of described physical format indicating channel; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel.
6. the acquisition methods of parameter information according to claim 5 is characterized in that, according to the indication information of described physical format indicating channel, obtains the indication information corresponding parameters information of described physical format indicating channel, specifically comprises:
If the symbol numbers that the indication information of described physical format indicating channel takies in order to the indication physical control channel, and when the indication information of described physical format indicating channel is 0-2, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m is 1;
When the indication information of described physical format indicating channel was 3, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m was 0 or 2.
7. the acquisition methods of parameter information according to claim 5 is characterized in that, according to the indication information of described physical format indicating channel, obtains the indication information corresponding parameters information of described physical format indicating channel, specifically comprises:
If the symbol numbers that the indication information of described physical format indicating channel does not take in order to indicant reason control channel, and when the indication information of described physical format indicating channel is 0, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m is 2;
When the indication information of described physical format indicating channel was 1, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m was 1;
When the indication information of described physical format indicating channel was 2 or 3, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m was 0.
8. the acquisition methods of parameter information according to claim 7 is characterized in that, also comprises:
When the indication information of described physical format indicating channel was 0, according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area was 0;
When the indication information of described physical format indicating channel was 1, according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area was 6;
When the indication information of described physical format indicating channel was 2, according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area was in the scope of 1-4;
When the indication information of described physical format indicating channel was 3, according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area was 5.
9. a base station is characterized in that, comprising:
Module is set, is used to the indication information of the physical format indicating channel of subscriber equipment of giving to be sent that corresponding parameters information is set; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel;
Sending module is used for sending to described subscriber equipment the indication information of described physical format indicating channel, for the indication information of subscriber equipment according to described physical format indicating channel, obtains the information of corresponding described parameter m.
10. base station according to claim 9, it is characterized in that, the described module that is provided with, specifically be used for if the symbol numbers that the indication information of described physical format indicating channel also takies in order to the indication physical control channel, and when the indication information of described physical format indicating channel was 0-2, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 1; When the indication information of described physical format indicating channel was 3, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 0 or 2.
11. base station according to claim 9, it is characterized in that, the described module that is provided with, specifically be used for if the symbol numbers that the indication information of described physical format indicating channel does not take in order to indicant reason control channel, and when the indication information of described physical format indicating channel was 0, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 2; When the indication information of described physical format indicating channel was 1, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 1; When the indication information of described physical format indicating channel was 2 or 3, the information of described parameter m that the indication information correspondence of described physical format indicating channel is set was 0.
12. base station according to claim 11, it is characterized in that, the described module that is provided with also is used for when the indication information of described physical format indicating channel is 0, and the uplink-downlink configuration of current area that the indication information correspondence of described physical format indicating channel also is set is 0; When the indication information of described physical format indicating channel was 1, the uplink-downlink configuration of current area that the indication information correspondence of described physical format indicating channel also is set was 6; When the indication information of described physical format indicating channel was 2, the uplink-downlink configuration of current area of indication information correspondence that described physical format indicating channel also is set was in the scope of 1-4; When the indication information of described physical format indicating channel was 3, the uplink-downlink configuration of current area that the indication information correspondence of described physical format indicating channel also is set was 5.
13. a subscriber equipment is characterized in that, comprising:
Receiver module is used to receive the indication information of the physical format indicating channel that the base station sends;
Acquisition module is used for the indication information according to described physical format indicating channel, obtains the indication information corresponding parameters information of described physical format indicating channel; Described parameter information is the information of the parameter m of physical mixing retransmission indicating chanel.
14. subscriber equipment according to claim 13, it is characterized in that, if described acquisition module specifically is used for the symbol numbers that the indication information of described physical format indicating channel takies in order to the indication physical control channel, and when the indication information of described physical format indicating channel is 0-2, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m is 1; When the indication information of described physical format indicating channel was 3, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m was 0 or 2.
15. subscriber equipment according to claim 13, it is characterized in that, if described acquisition module specifically is used for the symbol numbers that the indication information of described physical format indicating channel does not take in order to indicant reason control channel, and when the indication information of described physical format indicating channel is 0, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m is 2; When the indication information of described physical format indicating channel was 1, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m was 1; When the indication information of described physical format indicating channel was 2 or 3, according to the indication information of described physical format indicating channel, the information of obtaining corresponding described parameter m was 0.
16. subscriber equipment according to claim 15, it is characterized in that, described acquisition module specifically also is used for when the indication information of described physical format indicating channel is 0, and according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area is 0; When the indication information of described physical format indicating channel was 1, according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area was 6; When the indication information of described physical format indicating channel was 2, according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area was in the scope of 1-4; When the indication information of described physical format indicating channel was 3, according to the indication information of described physical format indicating channel, the uplink-downlink configuration of obtaining current area was 5.
17. a communication system is characterized in that, comprises base station and subscriber equipment;
Described base station is used to the indication information of the physical format indicating channel of described subscriber equipment of giving to be sent that corresponding parameters information is set; Described parameter information is the parameter information m of physical mixing retransmission indicating chanel; Send the indication information of described physical format indicating channel to described subscriber equipment;
Described subscriber equipment is used to receive the indication information of the described physical format indicating channel that described base station sends; According to the indication information of described physical format indicating channel, obtain the information of described parameter m of the indication information correspondence of described physical format indicating channel.
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