CN102036347B - Implementation method for discontinuous reception configuration, network element and user equipment - Google Patents
Implementation method for discontinuous reception configuration, network element and user equipment Download PDFInfo
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- CN102036347B CN102036347B CN2009102352748A CN200910235274A CN102036347B CN 102036347 B CN102036347 B CN 102036347B CN 2009102352748 A CN2009102352748 A CN 2009102352748A CN 200910235274 A CN200910235274 A CN 200910235274A CN 102036347 B CN102036347 B CN 102036347B
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Abstract
The embodiment of the invention relates to an implementation method for discontinuous reception (DRX) configuration, a network element and user equipment. The implementation method comprises the following steps of: acquiring configuration reference information corresponding to at least two member carriers of the user equipment respectively; dividing the at least two member carriers into at least one carrier group according to the configuration reference information; and configuring DRX parameters for each carrier group, and transmitting the DRX parameters of each carrier group and member carrier identifiers of each carrier group to the user equipment. The embodiment can optimize a scheme for implementing the DRX technology in carrier aggregation technology; on one hand, the complexity for a network side to respectively configure the DRX parameters for a plurality of member carriers is reduced; on the other hand, each member carrier of the user equipment is not needed to have the same DRX behavior. Therefore, each member carrier is independently controlled according to service transmission demand, and the power consumption can be reduced.
Description
Technical field
The embodiment of the invention relates to mobile communication technology, relates in particular to a kind of implementation method, network element and subscriber equipment of discontinuous reception configuration.
Background technology
Mobile communication technology has developed into the third generation, in order to keep long-term competitive advantage, at existing global system for mobile communications (Global System for Mobile Communications; Hereinafter to be referred as: GSM), global terrestrial radio access network (Universal Terrestrial Radio AccessNetwork; Hereinafter to be referred as: UTRAN), high-speed packet inserts (High Speed Packet Access; Hereinafter to be referred as: HSPA) on the basis of ripeness standard such as technology, third generation partner program (3rdGeneration Partnership Project; Hereinafter to be referred as: 3GPP) organize and further carry out Long Term Evolution (Long Term Evolution; Hereinafter to be referred as: standard LTE) is made.3GPP LTER8 (Release 8) finishes substantially at present, and LTE R9 (Release 9) and LTE R10 (Release10) have launched to discuss widely.
In LTE R8, there is and only has a carrier wave each residential quarter, uses Physical Downlink Shared Channel (Physical Downlink Shared Channel; Hereinafter to be referred as: PDSCH) and Physical Uplink Shared Channel (Physical Uplink Shared Channel; Hereinafter to be referred as: PUSCH), up-downgoing is shared physical channel resources and is divided into the time-frequency piece, and by the subscriber equipment (UserEquipment under all connection status in the residential quarter; Hereinafter to be referred as: UE) share.Network side is by Physical Downlink Control Channel (PhysicalDownlink Control Channel; Hereinafter to be referred as: PDCCH) whether indication UE in reception or the transmission of corresponding PDSCH or the enterprising line data of PUSCH resource, is scheduled judging whether so UE need continue to monitor descending PDCCH.
For the power consumption of less UE, prior art has been introduced discontinuous reception (the Discontinuous Reception under the connection status; Hereinafter to be referred as: DRX) technology, network side are carried out the DRX configuration to UE alternatively, are UE configuration relevant parameter.UE only need carry out the monitoring of PDCCH at the activationary time that the relevant parameter of configuration is stipulated, to judge whether to exist the schedule information of oneself, at non-activationary time, UE can stop to monitor, and is in sleep state, reaches purpose of power saving.
Thereby in order to support particularly user's throughput of throughput that wideer transmission bandwidth improves system, carrier aggregation (Carrier Aggregation; Hereinafter to be referred as: CA) be introduced among the LTE R10 as a key technology.CA refers to one or more member carrier (Component Carrier; Hereinafter to be referred as: CC) condense together and become the resource of a residential quarter, and UE can carry out transmission or the reception of data simultaneously on one or more CC.
Existing DRX collocation method only is applicable under the single carrier case, for LTE R10, after having introduced the CA technology, UE may dynamically be dispatched on one or more CC simultaneously, namely may receive transmitting and scheduling PDCCH at a plurality of CC, the DRX behavior of UE is determined in this case, and network side is that the situation that UE carries out the DRX configuration complicates.
Having the implementation method of carrying out the DRX configuration under the CA technology now has multiple, but, in realizing process of the present invention, the inventor finds to exist in each scheme some defectives: for the identical DRX parameter of all CC configurations makes it have identical DRX behavior, then moment of activating of all CC and sleeping moment in full accord, can cause waste of electric energy.The DRX parameter makes it independently control the DRX behavior for each CC disposes independently, then requires UE to control many cover DRX simultaneously, causes complexity to uprise.
Summary of the invention
The embodiment of the invention provides a kind of implementation method, network element and subscriber equipment of discontinuous reception configuration, to optimize the scheme that realizes discontinuous reception technique in the carrier aggregation technology.
The embodiment of the invention provides a kind of discontinuous reception DRX the implementation method of configuration, comprising:
Network side configuration network element obtains the carrier wave set information of subscriber equipment, and described carrier wave set information is for being divided into described two member carriers according to each self-corresponding configuration reference information of two member carriers of described subscriber equipment the information of at least one carrier wave set at least at least;
Described network side configuration network element is each carrier wave set configuration DRX parameter, and described DRX parameter and the sign of the member carrier in each carrier wave set of described each carrier wave set is issued to described subscriber equipment.
The embodiment of the invention also provides another kind of discontinuous reception DRX the implementation method of configuration, comprising:
Subscriber equipment obtains each the self-corresponding configuration reference information of at least two member carriers of self;
Described subscriber equipment reports network side configuration network element with described configuration reference information, or will the carrier wave set information that described at least two member carriers are divided at least one carrier wave set be reported network side configuration network element according to described configuration reference information;
Described subscriber equipment identifies from DRX parameter and the member carrier each carrier wave set that described network side configuration network element is received as each carrier wave set configuration.
The embodiment of the invention also provides a kind of network side configuration network element, comprising:
Carrier wave set information acquisition module, be used for obtaining the carrier wave set information of subscriber equipment, described carrier wave set information is for being divided into described two member carriers according to each self-corresponding configuration reference information of two member carriers of described subscriber equipment the information of at least one carrier wave set at least at least;
The DRX parameter configuration module is used to each carrier wave set configuration DRX parameter, and described DRX parameter and the sign of the member carrier in each carrier wave set of described each carrier wave set is issued to described subscriber equipment.
The embodiment of the invention also provides a kind of subscriber equipment, comprising:
Configuration reference information acquisition module is for each the self-corresponding configuration reference information of at least two member carriers that obtains described subscriber equipment self;
Reporting module is used for described configuration reference information is reported network side configuration network element, or will the carrier wave set information that described at least two member carriers are divided at least one carrier wave set be reported network side configuration network element according to described configuration reference information;
DRX parameter receiver module is used for being received as the DRX parameter of each carrier wave set configuration and the member carrier sign of each carrier wave set from described network side configuration network element.
By above technical scheme as can be known, the embodiment of the invention can be divided at least one carrier wave set with a plurality of CC according to the configuration reference information of each CC, CC in each carrier wave set has identical, similar or relevant configuration reference information, thereby can be that unit carries out the DRX configuration with the carrier wave set.The embodiment of the invention can be optimized the scheme that realizes the DRX technology in the CA technology, having reduced network side on the one hand is the complexity that a plurality of CC dispose the DRX parameter respectively, also needn't require each CC of UE to have identical DRX behavior on the other hand, thereby realized the independent control of each CC according to business transmission needs, can reduce power consumption.
Description of drawings
The monitoring waveform schematic diagram that Fig. 1 monitors according to the DRX parameter for UE;
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 2 provides for the embodiment of the invention one;
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 3 provides for the embodiment of the invention two;
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 4 provides for the embodiment of the invention three;
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 5 provides for the embodiment of the invention four;
Fig. 6 is the monitoring waveform schematic diagram that two CC share rf chain;
The flow chart of the implementation method of the another kind of discontinuous reception configuration that Fig. 7 provides for the embodiment of the invention five;
The structural representation of the implement device of the discontinuous reception configuration that Fig. 8 provides for the embodiment of the invention six;
The structural representation of the implement device of the discontinuous reception configuration that Fig. 9 provides for the embodiment of the invention seven;
The structural representation of the implement device of the discontinuous reception configuration that Figure 10 provides for the embodiment of the invention eight;
The structural representation of the implement device of the discontinuous reception configuration that Figure 11 provides for the embodiment of the invention nine;
The network side that Figure 12 provides for the embodiment of the invention ten disposes the structural representation of network element;
The structural representation of the subscriber equipment that Figure 13 provides for the embodiment of the invention 11.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
The technical scheme of various embodiments of the present invention is applicable to the situation of carrying out multicarrier DRX configuration under the CA technology.Be that example describes with the LTE system below, in LTE R8, the DRX technical scheme of UE is to be that UE carries out the DRX configuration by network side configuration network element under the connection status, and the DRX parameter of configuration can comprise following several usually:
DRX cycle, i.e. basic long DRX cycle and optionally short DRX cycle, short DRX cycle is enabled under certain condition and is stopped using behind certain hour;
The side-play amount (drxStartOffset) that first duration timer (on duration timer) and first duration timer are opened, each DRX cycle are waken the back up and are continued to monitor in the determined time range of first duration timer;
Second duration timer (inactivity-timer) will continue monitoring when UE successfully receives before entering sleep after the new transmitting and scheduling PDCCH in the time range of the second duration timer defined;
After certain data block decoding failure, the possible descending re-transmission duration timer (Retrans Timer) that UE waits for.
The monitoring waveform that UE monitors according to the DRX parameter of network configuration unit configuration can be as shown in Figure 1, UE periodically wakes up from sleep state according to long DRX cycle, and the lasting PDCCH that monitors, if during monitoring, successfully do not detect the transmitting and scheduling PDCCH of oneself, then after first duration timer, reenter sleep state; An if new transmitting and scheduling PDCCH who successfully detects oneself, as among Fig. 1 1. shown in, then start second duration timer, changing short DRX cycle simultaneously over to monitors, send respectively at 2. and 3. some place and when receiving PDCCH, just start second duration timer respectively again, and before second duration timer is overtime, continue to monitor PDCCH; If the some time is inscribed the decoded packet data failure that row sends, for example 1. decoding at some place failure is according to mixing automatic repeat requests (Hybrid-ARQ; Hereinafter to be referred as: HARQ) technology is retransmitting lasting monitoring the in duration timer (Retrans Timer) scope afterwards at the descending retransfer scheduling timer of setting (HARQ RTT Timer).When the short DRX cycle of setting number does not constantly receive PDCCH, then change long DRX cycle over to.
UE needs to keep state of activation and is called activationary time (active time) in the descending time unification definition that PDCCH is monitored according to the DRX configuration, and visible activationary time comprises first duration timer, second duration timer and retransmits time timer running time and other time that may be scheduled.Time outside the activationary time is the length of one's sleep, and UE can enter sleep state, stops to monitor.UE carries out state of activation or dormant replacing according to DRX cycle.
Network side configuration network element is not limited to above-mentioned several for the DRX parameter that each CC disposes, and during concrete configuration, everyly can dispose different numerical value, forms the DRX parameter of multiple combinations of values.
Embodiment one
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 2 provides for the embodiment of the invention one, this method can dispose network element by network side and carry out, and comprises the steps:
Adopt the technical scheme of present embodiment, can a plurality of CC be divided at least one carrier wave set according to the configuration reference information of each CC.CC in each carrier wave set has identical, similar or relevant configuration reference information, thereby can be that unit carries out the DRX configuration with the carrier wave set.So-called configuration reference information is that network side configuration network element is the foundation of CC configuration DRX parameter.CC with identical, similar or relevant configuration reference information can be divided in the carrier wave set, and concrete division is according to adopting the division rule of setting to carry out.
For each carrier wave set configuration DRX parameter the time, the DRX parameter of carrier wave set is exactly the DRX parameter of all CC in the carrier wave set.Can be that the default algorithm of basis is the identical DRX parameter of all CC configurations in the carrier wave set, for example, one of feasible algorithm is that the existing algorithm for single CC configuration DRX parameter of employing is that any one interior CC of carrier wave set disposes DRX parameter, then with the DRX parameter of this DRX parameter as all CC in this carrier wave set.Need issue each CC sign in this carrier wave set when the DRX parameter of carrier wave set is issued to UE, the CC sign is to make UE distinguish the sign of each CC, and for example UE is the call number set of CC etc.
Present embodiment can be optimized the scheme that realizes the DRX technology in the CA technology, having reduced network side on the one hand is the complexity that a plurality of CC dispose the DRX parameter respectively, also needn't require each CC of UE to have identical DRX behavior on the other hand, thereby realized the independent control of each CC according to business transmission needs, can reduce power consumption.
In concrete the application, the configuration reference information can relate to network side configuration network element be CC when carrying out the DRX configuration can foundation various information.Preferably, the configuration reference information can be the corresponding rf chain information of each CC, namely realizes the relevant information of the rf chain of each CC, can be the structural information of rf chain, or the sign of rf chain.Then according to the configuration reference information step that each CC is divided at least one carrier wave set can be divided into a carrier wave set for the CC that will have the same radio frequency chain information.In prior art, a plurality of CC (intra-band) and continuous have the possibility of using a cover rf chain to encode, launch in the predetermined band, so a plurality of CC may have identical rf chain information.
Perhaps, the configuration reference information also can be the mapping relations of the PDCCH of each CC.In prior art, the PDCCH of each CC is not limited to be transmitted by self, and a plurality of PDCCH that different CC adopts can be carried on one or more CC and transmit, and the PDCCH of each CC is placed on the mapping relations which CC transmits the PDCCH that is each CC.Then according to the configuration reference information step that each CC is divided at least one carrier wave set can be divided into a carrier wave set for the CC that will adopt same CC carrying PDCCH.
The configuration reference information can also comprise the mapping relations of the PDCCH of above-mentioned rf chain information and each CC simultaneously, also is not limited to comprise other similarly configuration reference informations certainly.
Embodiment two
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 3 provides for the embodiment of the invention two, this method can specifically comprise the steps: based on embodiment one
The technical scheme of present embodiment is to obtain the configuration reference information by network side configuration network element earlier from UE, then carries out the division of carrier wave set according to the configuration reference information again.
In concrete the application, be not limited to carry out the division of carrier wave set by network side configuration network element, the carrier wave set information that network side configuration network element obtains UE also can receive the carrier wave set information that UE reports for network side disposes network element.That is, carry out the operation that carrier wave set divides according to the configuration reference information and can be carried out by UE, network side configuration network element only receives the carrier wave set information that UE reports, for the CC configuration DRX parameter of ready-portioned carrier wave set and issue and get final product.
Embodiment three
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 4 provides for the embodiment of the invention three, present embodiment can be based on above-described embodiment two, and comprise simultaneously that with the configuration reference information rf chain information of CC and the mapping relations of PDCCH are that example describes, but be not limited to this.The method of present embodiment comprises the steps:
Step 401, network side configuration network element receive the ability information that UE reports, and obtain each self-corresponding rf chain information of at least two CC of UE and the mapping relations of PDCCH from ability information;
In present embodiment and other each embodiment; network side configuration network element can be base station (eNodeB); when eNodeB need be known the situation of each CC of UE; usually can require UE to carry out reporting of ability information; for example; the situation of reporting ability can appear in UE when opening, when carrying out the residential quarter switching, can report UE to support the CC of which frequency range and the bandwidth situation of CC etc., and can be carried at the configuration reference information in the ability information and report this moment.
Step 402, network side configuration network element is according to the mapping relations of at least two each self-corresponding rf chain information of CC and PDCCH, the CC that will have the same radio frequency chain information is divided into a carrier wave set, and will adopt the CC of same CC carrying PDCCH to be divided into a carrier wave set, preferably two conditions satisfy simultaneously, namely in a carrier wave set, the CC that can comprise different radio frequency chain correspondence, the PDCCH of CC in carrier wave set also can be carried on the different CC, but, adopt the CC of same radio frequency chain information all to be divided in the same carrier wave set, the CC that PDCCH is carried on the same CC all is divided in the same carrier wave set;
Step 403, network side configuration network element are each carrier wave set configuration DRX parameter, be the identical DRX parameter of each CC configuration in each carrier wave set, and the sign of the CC in the DRX parameter of each carrier wave set and each carrier wave set is issued to UE, so that UE monitors simultaneously to the CC of each carrier wave set.
Present embodiment can dispose the configuration reference information that network element reports based on UE by network side and carry out the DRX configuration, the actual conditions of each CC of reasonable consideration UE, and the DRX that packet configuration is identical has avoided overlapping on the listening period, can reduce power consumption.
Embodiment four
The flow chart of the implementation method of a kind of discontinuous reception configuration that Fig. 5 provides for the embodiment of the invention four, present embodiment can dispose network element by network side and carry out based on above-described embodiment two, and the method for present embodiment comprises the steps:
In the present embodiment, can a pre-configured mapping table in network side configuration network element and UE, stored the permutation and combination between the various configuration reference informations of CC in the mapping table, for example embody this UE and support several CC, each CC uses information such as which rf chain and frequency range thereof, and each CC shares the information of rf chain, each combination is with a configuration reference information call number sign, UE only need report configuration reference information call number, and network side configuration network element can be inquired about the configuration reference information of knowing each CC voluntarily according to configuration reference information call number.This scheme has reduced the amount of information that UE need report, and can save network transmission resource.
The technical scheme of the various embodiments described above is carried out by network side configuration network element, particularly, can dispose Radio Resource control (the Radio Resource Control that comprises in the network element by network side; Hereinafter to be referred as: RRC) layer or media interviews control (Medium Access Control; Hereinafter to be referred as: MAC) layer is carried out, and perhaps two-layerly cooperates execution by this.
The technical scheme of various embodiments of the present invention has solved the problem of carrying out the DRX configuration under the various CA technology of prior art proposition effectively.
1, disposes the technical scheme of identical DRX parameter than each CC of prior art, the technical scheme that the embodiment of the invention provides need not limit each CC and have identical DRX behavior, be that each CC need not be in state of activation simultaneously or be in sleep state simultaneously, each CC can control whether be in state of activation independently according to the transfer of data needs, thereby can avoid waste of electric energy;
2, than the DRX behavior difference of each CC of prior art; and dispose the technical scheme of different DRX parameters; be subject to the realization of UE; UE can use same rf chain structure to realize a plurality of CC usually; though so be the DRX parameter difference of each CC configuration; but because with enjoying rf chain, so a plurality of CC can open or close simultaneously simultaneously.As shown in Figure 6, the DRX behavior of CC1 and CC2 is different, but because CC1 and CC2 share rf chain, so in fact UE adopts different DRX parameters to monitor the CC1﹠amp that is equivalent to the third line; The waveform of CC2, listening period does not shorten, thereby can not reduce power consumption.The technical scheme of present embodiment can be distributed identical DRX parameter for the CC that shares same rf chain, and each interior CC of carrier wave set has identical DRX behavior, and electric energy therefore can avoid waste.
3, than the DRX behavior difference of each CC of prior art, and dispose the technical scheme of different DRX parameters, when a plurality of CC have independently DRX behavior, the intersection mapping relations that may have PDCCH, in physical layer such situation might appear namely, the PDCCH of a CC is placed on another CC and goes up indication, and for example the PDCCH of CC1 and CC2 is placed on the CC1, and does not carry the PDCCH of oneself on the CC2.CC2 must follow the paces of CC1, and CC2 must be in state of activation when CC1 was in state of activation, and CC1 is in state of activation else if, and CC2 is in sleep state, at this moment occurs the PDCCH of CC2 on the CC1, and CC2 has little time to activate at once and receives data.So, if CC1 and the different DRX parameter of CC2 configuration then can occur the listening period of CC1 and CC2 actual needs is superposeed to monitor, thereby can not reduce power consumption.The technical scheme of present embodiment makes that by for the CC that uses same CC carrying PDCCH distributes identical DRX parameter each CC in the carrier wave set has identical DRX behavior, and electric energy therefore can avoid waste.
On the basis of the various embodiments described above, CC is carried out the division of carrier wave set, be not limited to be the identical DRX parameter of each carrier wave set configuration, can also after according to the configuration reference information each CC being divided at least one carrier wave set, be identical Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (the Cell Radio Network Temporary Identifier of each CC distribution of same carrier wave set; Hereinafter to be referred as: C-RNTI), Timing Advance (Time Advance; Hereinafter to be referred as: TA) and/or physical-layer cell identifier (Physical CellIdentifier; Hereinafter to be referred as: PCI).
C-RNTI is for the sequence of signaling bag and packet being carried out scrambling and descrambling, the embodiment of the invention is adopted as the technological means that all CC in the same carrier wave set distribute same C-RNTI, make UE when descrambling, each CC in the same carrier wave set can use the signaling bag of the control channel of identical C-RNTI and data channel transmission and packet to carry out descrambling, can simplify the complexity that UE detects, improve detection efficiency.
TA is the transmitting time in advance of each CC of UE required setting when sending upward signal.Since different UE may with eNodeB between have different distances, different CC may have different transmission characteristics, the used time may be different on wireless propagation path to cause signal.So may there be the problem that can't arrive eNodeB at synchronization in the wireless sub-frame of upward signal, therefore TA need be set.Each upward signal that eNodeB sends UE earlier carries out time of reception to be surveyed, and determines the time of delay of each upward signal according to result of detection, thereby indicates UE how long should shift to an earlier date when this CC sends upward signal.Each CC that the embodiment of the invention is provided as same carrier wave set arranges the technological means of identical TA, if CC does not use via node to transmit in the carrier wave set, then can distribute identical TA, upward signal sends can only adopt a TA value, and then UE can only need to preserve a TA value.
And, before each CC that is same carrier wave set distributes identical TA, can also carry out the upward signal time of reception at least one CC in the carrier wave set and survey, determine the TA that all CC share in this carrier wave set according to result of detection.Then eNodeB need not repeatedly carry out the TA that operation that time of reception surveys can be determined all CC in the carrier wave set, has reduced live load.
PCI is the sign of UE employed decoding sequence when obtaining the residential quarter physical resource.Each CC in a carrier wave set can use identical PCI, then eNodeB need not be respectively the different PCI of each CC configuration, when aggregation information list informations such as each PCI and frequency points corresponding are sent to all UE by eating dishes without rice or wine, also can reduce traffic volume, reduce empty overhead.
On the basis of various embodiments of the present invention, can also be after according to the configuration reference information at least two CC being divided at least one carrier wave set, be that at least one interior CC of a carrier wave set divides the control channel that is used in control channel, as independent use carrier wave.
Each CC can be divided into two kinds, uses carrier wave and expansion carrier wave (Extension Carrier) separately.The so-called carrier wave that uses separately namely can control channel and the CC of data, can use separately.So-called expansion carrier wave namely is merely able to transmit data, and passes through the CC of other CC control channels, and therefore expanding carrier wave is non-independent use carrier wave.
The CC of same carrier wave set needs to open simultaneously, and at least one CC that therefore is adopted as in the carrier wave set divides the control channel that is used in control channel as the technical scheme of using carrier wave separately, can reach the effect of saves energy.Because if all CC in the same carrier wave set are the expansion carrier wave, when then the CC of this carrier wave set opens, also need the independent use carrier wave in another carrier wave set also to open, namely all CC of another carrier wave set also need to open, and have significantly increased power consumption.
The technical scheme of various embodiments of the present invention is not limited in the LTE network, can be widely used in having multicarrier, carry out the DRX configuration in the sending/receiving system under a plurality of simultaneous resource situation.
Embodiment five
The flow chart of the implementation method of the another kind of discontinuous reception configuration that Fig. 7 provides for the embodiment of the invention five, present embodiment can be carried out by UE, comprises the steps:
In the present embodiment, UE can directly report the configuration reference information of each CC such network side configuration network element such as eNodeB, also can carry out the division of carrier wave set according to the configuration reference information voluntarily for UE, carrier wave set information after then will dividing reports network side configuration network element, for each carrier wave set configuration DRX parameter, be handed down to UE by network side configuration network element again.
The configuration reference information is the foundation of configuration DRX parameter as described in the aforementioned embodiment, also as the foundation of dividing carrier wave set, and can be for the mapping relations of the PDCCH of the rf chain information of CC correspondence and/or each CC etc.
When the configuration reference information comprises the corresponding rf chain information of each CC, will at least two CC be divided at least one carrier wave set according to the configuration reference information and be divided into a carrier wave set for the CC that will have the same radio frequency chain information.
When the configuration reference information comprised the mapping relations of PDCCH of each CC, will at least two CC being divided at least one carrier wave set according to the configuration reference information can be divided into a carrier wave set for the CC that will adopt same CC to carry PDCCH.
Preferably in conjunction with the mapping relations of rf chain information and PDCCH, will have the same radio frequency chain information or adopt the CC of same CC carrying PDCCH to be divided into a carrier wave set.
Reporting of carrier wave set information can be reporting of independent message in the present embodiment, also can be to be carried in the ability information to report.Carrier wave set information can be the sign of carrier wave set, and for example, a carrier wave set sign is corresponding with the sign of one or more CC, represents namely which CC is this carrier wave set comprise.
The technical scheme of present embodiment can be divided into groups to each CC by UE, directly carrier wave set information is reported network side configuration network element, has reduced the workload of network side configuration network element, has reduced network load.Simultaneously since UE need not the reporting radio frequency chain information, the configuration reference informations such as mapping relations of PDCCH, so can reduce taking ascending resource.
Embodiment six
The structural representation of the implement device of the discontinuous reception configuration that Fig. 8 provides for the embodiment of the invention six.This device comprises reference information acquisition module 10, carrier wave set division module 20 and DRX parameter configuration module 30.Wherein, reference information acquisition module 10 is used for obtaining each self-corresponding configuration reference information of at least two CC of UE; Carrier wave set is divided module 20 and for the configuration reference information that obtains according to reference information acquisition module 10 at least two CC is divided at least one carrier wave set; DRX parameter configuration module 30 is used to each carrier wave set to divide the carrier wave set configuration DRX parameter that module 20 is divided, and DRX parameter and the sign of the CC in each carrier wave set of each carrier wave set is issued to UE.
On the basis of present embodiment, carrier wave set is divided module 20 and can specifically be comprised as shown in Figure 8: rf chain information identificating unit 21 and first division unit 22.Wherein, rf chain information identificating unit 21 is used for the rf chain information of each CC correspondence of identification configuration reference information; First division unit 22 is divided into a carrier wave set for the CC that will have the same radio frequency chain information.
Again or, this carrier wave set is divided module 20 and can be comprised: mapping relations recognition unit 23 and second division unit 24.Wherein, mapping relations recognition unit 23 is used for the mapping relations of the PDCCH of each CC of identification configuration reference information; Second division unit 24 is used for adopting the CC of same CC carrying PDCCH to be divided into a carrier wave set.
Perhaps, above-mentioned rf chain information identificating unit 21, first division unit 22, mapping relations recognition unit 23 and second division unit 24 can will have the same radio frequency chain information or adopt the CC of same CC carrying PDCCH to be divided into same carrier wave set in conjunction with employing.
Adopt the technical scheme of present embodiment, can a plurality of CC be divided at least one carrier wave set according to the configuration reference information of each CC, CC in each carrier wave set has identical, similar or relevant configuration reference information, thereby can be that unit carries out the DRX configuration with the carrier wave set.Present embodiment can be optimized the scheme that realizes the DRX technology in the CA technology, having reduced network side on the one hand is the complexity that a plurality of CC dispose the DRX parameter respectively, also needn't require each CC of UE to have identical DRX behavior on the other hand, thereby realized the independent control of each CC according to business transmission needs, can reduce power consumption.
Embodiment seven
The structural representation of the implement device of the discontinuous reception configuration that Fig. 9 provides for the embodiment of the invention seven.Present embodiment can be based on above-described embodiment six, and the implement device of present embodiment is integrated in the network side configuration network element, for example can be integrated among the eNodeB, and reference information acquisition module 10 comprises: ability receiving element 11 and acquiring unit 12.Wherein, ability receiving element 11 is used for receiving the ability information that UE reports; Acquiring unit 12 is used for obtaining from ability information each self-corresponding configuration reference information of at least two CC of UE.
Present embodiment can dispose the configuration reference information that network element reports based on UE by network side and carry out the DRX configuration, the actual conditions of each CC of reasonable consideration UE, and the DRX that packet configuration is identical has avoided overlapping on the listening period, can reduce power consumption.
Embodiment eight
The structural representation of the implement device of the discontinuous reception configuration that Figure 10 provides for the embodiment of the invention eight.Present embodiment can be based on above-described embodiment six, and each functional module in the present embodiment implement device is integrated in respectively among network side configuration network element and the UE, particularly:
Reference information acquisition module 10 is integrated among the UE, is used for obtaining each self-corresponding configuration reference information of at least two CC of UE self; Carrier wave set is divided module 20 and is integrated among the UE, comprise division unit 25 and report unit 26, and division unit 25 is used for according to the configuration reference information at least two CC being divided at least one carrier wave set, reports unit 26 to be used for the information of carrier wave set is reported network side configuration network element; DRX parameter configuration module 30 is integrated in the network side configuration network element, is used to each carrier wave set configuration DRX parameter, and DRX parameter and the sign of the CC in each carrier wave set of each carrier wave set is issued to UE.
The technical scheme of present embodiment can be divided into groups to each CC by UE, directly carrier wave set information is reported network side configuration network element, has reduced the workload of network side configuration network element, has reduced network load.Simultaneously since UE need not the reporting radio frequency chain, the configuration reference informations such as mapping relations of PDCCH, so can reduce taking ascending resource.
Embodiment nine
The structural representation of the implement device of the discontinuous reception configuration that Figure 11 provides for the embodiment of the invention nine.Present embodiment can be based on above-described embodiment six, each functional module in the present embodiment implement device is integrated in the network side configuration network element, for example can be integrated among the eNodeB, and reference information acquisition module 10 comprises: call number acquiring unit 13 and reference information acquiring unit 14.Wherein, call number acquiring unit 13 is used for receiving the ability information that UE reports, and obtains configuration reference information call number from ability information; Reference information acquiring unit 14 is used for according to configuration reference information call number each self-corresponding configuration reference information of two CC at the mapping table inquiry UE of this locality at least.
In the present embodiment, can a pre-configured mapping table in network side configuration network element and UE, stored the permutation and combination between the various configuration reference informations of CC in the mapping table, each combination is with a configuration reference information call number sign, UE only need report configuration reference information call number, and network side configuration network element can be inquired about the configuration reference information of knowing each CC voluntarily according to configuration reference information call number.This scheme has reduced the amount of information that UE need report, and can save network transmission resource.
On the basis of the various embodiments described above, CC is carried out the division of carrier wave set, be not limited to be the identical DRX parameter of each carrier wave set configuration, can also comprise as lower module:
Parameter configuration module is used to each CC of same carrier wave set to distribute identical C-RNTI, TA and/or PCI.
Can also comprise: channel assignment module is used at least one CC in the carrier wave set to divide the control channel that is used in control channel, as independent use carrier wave.
The implementation method that the DRX that the implement device of the DRX configuration that various embodiments of the present invention provide can be carried out the embodiment of the invention to be provided disposes, be not limited in the LTE network, can be widely used in having multicarrier, carry out the DRX configuration in the sending/receiving system under a plurality of simultaneous resource situation.
Embodiment ten
The network side that Figure 12 provides for the embodiment of the invention ten disposes the structural representation of network element, and this network side configuration network element can for example can be eNodeB for disposing the network element of DRX parameter for the CC of UE.This device can comprise: carrier wave set information acquisition module 40 and DRX parameter configuration module 30.Wherein, carrier wave set information acquisition module 40 is used for obtaining the carrier wave set information of UE, and this carrier wave set information is for being divided into two CC according to each self-corresponding configuration reference information of two CC of UE the information of at least one carrier wave set at least at least; DRX parameter configuration module 30 is used to each carrier wave set configuration DRX parameter, and DRX parameter and the sign of the CC in each carrier wave set of each carrier wave set is issued to UE.
The implement device of the DRX configuration that network side in present embodiment configuration network element can integrated various embodiments of the present invention provides, the functional module that can possess each embodiment step of implementation method of carrying out DRX configuration of the present invention, can optimize the scheme that realizes the DRX technology in the CA technology, having reduced network side on the one hand is the complexity that a plurality of CC dispose the DRX parameter respectively, also needn't require each CC of UE to have identical DRX behavior on the other hand, thereby realized the independent control of each CC according to business transmission needs, can reduce power consumption.
The structural representation of the subscriber equipment that Figure 13 provides for the embodiment of the invention 11 comprises: configuration reference information acquisition module 50, reporting module 60 and DRX parameter receiver module 70.Wherein, configuration reference information acquisition module 50 is used for obtaining each self-corresponding configuration reference information of at least two CC of UE self; Reporting module 60 is used for disposing reference information and reports network side configuration network element, or will report network side configuration network element according to the carrier wave set information that the configuration reference information is divided at least one carrier wave set with at least two CC; DRX parameter receiver module 70 is used for being received as the DRX parameter of each carrier wave set configuration and the CC sign of each carrier wave set from network side configuration network element.
UE in the present embodiment can possess the functional module of each embodiment step of implementation method of carrying out DRX configuration of the present invention, can optimize the scheme that realizes the DRX technology in the CA technology, having reduced network side on the one hand is the complexity that a plurality of CC dispose the DRX parameter respectively, also needn't require each CC of UE to have identical DRX behavior on the other hand, thereby realized the independent control of each CC according to business transmission needs, can reduce power consumption.
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.
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, and the sequence number of various embodiments of the present invention does not represent the quality of embodiment; 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 puts 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 implementation method of discontinuous reception DRX configuration is characterized in that, comprising:
Network side configuration network element obtains the carrier wave set information of subscriber equipment, described carrier wave set information is for being divided into the information of at least one carrier wave set according to each self-corresponding configuration reference information of at least two member carriers of described subscriber equipment with described at least two member carriers, and each carrier wave set is made up of the member carrier with identical or relevant configuration reference information;
Described network side configuration network element is each carrier wave set configuration DRX parameter, and described DRX parameter and the sign of the member carrier in each carrier wave set of described each carrier wave set is issued to described subscriber equipment.
2. the implementation method of DRX configuration according to claim 1 is characterized in that, the carrier wave set information that described network side configuration network element obtains subscriber equipment comprises:
Described network side configuration network element obtains each self-corresponding configuration reference information of at least two member carriers of subscriber equipment;
Described network side configuration network element is divided at least one carrier wave set according to described configuration reference information with described at least two member carriers, produces described carrier wave set information.
3. the implementation method of DRX configuration according to claim 2 is characterized in that, each self-corresponding configuration reference information of at least two member carriers that described network side configuration network element obtains subscriber equipment comprises:
Described network side configuration network element receives the ability information of user equipment to report, obtains each self-corresponding configuration reference information of at least two member carriers of subscriber equipment from described ability information.
4. the implementation method of DRX configuration according to claim 2 is characterized in that, each self-corresponding configuration reference information of at least two member carriers that described network side configuration network element obtains subscriber equipment comprises:
Described network side configuration network element receives the ability information of user equipment to report, obtains configuration reference information call number from described ability information;
Described network side configuration network element is according to each self-corresponding configuration reference information of at least two member carriers of described configuration reference information call number inquiring user equipment in the mapping table of this locality.
5. the implementation method of DRX configuration according to claim 1 is characterized in that, the carrier wave set information that described network side configuration network element obtains subscriber equipment comprises:
Described network side configuration network element receives the described carrier wave set information of described user equipment to report.
6. according to the implementation method of the arbitrary described DRX configuration of claim 1～5, it is characterized in that: described configuration reference information comprises the mapping relations of the physical downlink control channel PDCCH of the corresponding rf chain information of each member carrier and/or each member carrier.
7. the implementation method of DRX according to claim 6 configuration, it is characterized in that, when described configuration reference information comprises the corresponding rf chain information of each member carrier, describedly according to described configuration reference information at least two member carriers are divided at least one carrier wave set and comprise:
The member carrier that will have the same radio frequency chain information is divided into a carrier wave set.
8. the implementation method of DRX according to claim 6 configuration, it is characterized in that, when described configuration reference information comprises the mapping relations of PDCCH of each member carrier, describedly according to described configuration reference information at least two member carriers are divided at least one carrier wave set and comprise:
To adopt the member carrier of same member carrier carrying PDCCH to be divided into a carrier wave set.
9. the implementation method of DRX configuration according to claim 1 is characterized in that, after described network side configuration network element obtains the carrier wave set information of subscriber equipment, also comprises:
Each member carrier that described network side configuration network element is same carrier wave set distributes identical Cell Radio Network Temporary Identifier/Identity, Cell-RNTI, Timing Advance and/or physical-layer cell identifier.
10. the implementation method of DRX configuration according to claim 9 is characterized in that, before each member carrier that described network side configuration network element is same carrier wave set distributes identical Timing Advance, also comprises:
Described network side configuration network element carries out the upward signal time of reception at least one member carrier in the carrier wave set to be surveyed, and determines the described Timing Advance of all member carriers in this carrier wave set according to result of detection.
11. the implementation method of DRX configuration according to claim 1 is characterized in that, after described network side configuration network element obtains the carrier wave set information of subscriber equipment, also comprises:
Described network side configuration network element is the control channel that at least one the member carrier branch in the carrier wave set is used in control channel, as independent use carrier wave.
12. the implementation method of discontinuous reception DRX configuration is characterized in that, comprising:
Subscriber equipment obtains each the self-corresponding configuration reference information of at least two member carriers of self;
Described subscriber equipment reports network side configuration network element with described configuration reference information, so that network side configuration network element is divided at least one carrier wave set according to described configuration reference information with described at least two member carriers, or will the carrier wave set information that described at least two member carriers are divided at least one carrier wave set be reported network side configuration network element according to described configuration reference information, each carrier wave set is made up of the member carrier with identical or relevant configuration reference information;
Described subscriber equipment identifies from DRX parameter and the member carrier each carrier wave set that described network side configuration network element is received as each carrier wave set configuration.
13. the implementation method of DRX configuration according to claim 12, it is characterized in that: described configuration reference information comprises the mapping relations of the physical downlink control channel PDCCH of the corresponding rf chain information of each member carrier and/or each member carrier.
14. the implementation method of DRX configuration according to claim 13, it is characterized in that, when described configuration reference information comprises the corresponding rf chain information of each member carrier, describedly according to described configuration reference information described at least two member carriers are divided at least one carrier wave set and comprise:
The member carrier that will have the same radio frequency chain information is divided into a carrier wave set.
15. the implementation method of DRX configuration according to claim 13, it is characterized in that, when described configuration reference information comprises the mapping relations of PDCCH of each member carrier, describedly according to described configuration reference information described at least two member carriers are divided at least one carrier wave set and comprise:
To adopt the member carrier of same member carrier carrying PDCCH to be divided into a carrier wave set.
16. a network side configuration network element is characterized in that, comprising:
Carrier wave set information acquisition module, be used for obtaining the carrier wave set information of subscriber equipment, described carrier wave set information is for being divided into the information of at least one carrier wave set according to each self-corresponding configuration reference information of at least two member carriers of described subscriber equipment with described at least two member carriers, and each carrier wave set is made up of the member carrier with identical or relevant configuration reference information;
The DRX parameter configuration module is used to each carrier wave set configuration DRX parameter, and described DRX parameter and the sign of the member carrier in each carrier wave set of described each carrier wave set is issued to described subscriber equipment.
17. a subscriber equipment is characterized in that, comprising:
Configuration reference information acquisition module is for each the self-corresponding configuration reference information of at least two member carriers that obtains described subscriber equipment self;
Reporting module, be used for described configuration reference information is reported network side configuration network element, so that network side configuration network element is divided at least one carrier wave set according to described configuration reference information with described at least two member carriers, or will the carrier wave set information that described at least two member carriers are divided at least one carrier wave set be reported network side configuration network element according to described configuration reference information, each carrier wave set is made up of the member carrier with identical or relevant configuration reference information;
DRX parameter receiver module is used for being received as the DRX parameter of each carrier wave set configuration and the member carrier sign of each carrier wave set from described network side configuration network element.
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| CN104581908B (en) * | 2015-01-30 | 2018-10-26 | 深圳酷派技术有限公司 | The method for parameter configuration and device of discontinuous reception modes |
| US10334447B2 (en) * | 2015-02-27 | 2019-06-25 | Qualcomm Incorporated | Discontinuous reception procedures with enhanced component carriers |
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| CN107666714B (en) * | 2016-07-27 | 2021-06-04 | 中国移动通信有限公司研究院 | Carrier configuration method and device |
| CN108377551B (en) * | 2016-11-04 | 2022-07-12 | 华为技术有限公司 | DRX (discontinuous reception) processing method and device |
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| CN108696919A (en) * | 2017-02-15 | 2018-10-23 | 华为技术有限公司 | A kind of method and apparatus sending information and the method and apparatus for receiving information |
| CN110637483A (en) * | 2017-06-02 | 2019-12-31 | Oppo广东移动通信有限公司 | Discontinuous reception method, terminal equipment and network equipment |
| CN109246826B (en) | 2017-06-16 | 2021-06-22 | 华为技术有限公司 | DRX configuration method, terminal equipment, network equipment and communication system |
| WO2019061080A1 (en) * | 2017-09-27 | 2019-04-04 | Oppo广东移动通信有限公司 | Bandwidth part switching method, terminal device, and computer storage medium |
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