CN102036405B - Method, device and system for configuring physical downlink control channel control scheme - Google Patents

Method, device and system for configuring physical downlink control channel control scheme Download PDF

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CN102036405B
CN102036405B CN 200910093076 CN200910093076A CN102036405B CN 102036405 B CN102036405 B CN 102036405B CN 200910093076 CN200910093076 CN 200910093076 CN 200910093076 A CN200910093076 A CN 200910093076A CN 102036405 B CN102036405 B CN 102036405B
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member carrier
control scheme
pdcch
rrc
subscriber equipment
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CN102036405A (en
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赵锐
沈祖康
潘学明
肖国军
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Abstract

The embodiment of the invention discloses a method for configuring a physical downlink control channel (PDCCH) control scheme. The method comprises the following steps that: base station equipment transmits a radio resource control (RRC) connection reconfiguration message to user equipment, so that the user equipment configures the PDCCH control scheme according to the RRC connection reconfiguration message, wherein the RRC connection reconfiguration message carries configuration information of the PDCCH control scheme; and the base station equipment receives an RRC connection reconfigurationcompletion message from the user equipment and amends a downlink control information (DCI) format according to the RRC connection reconfiguration completion message, wherein the RRC connection reconfiguration completion message corresponds to the RRC connection reconfiguration message. In the embodiment of the invention, a configuration method for switching between different PDCCH control schemesis defined, so that the base station equipment can configure the user equipment to switch between the different PDCCH control schemes. The embodiment of the invention also discloses a device and a system for applying the method.

Description

A kind of collocation method, device and system of Physical Downlink Control Channel control scheme
Technical field
The present invention relates to the mobile communication technology field, particularly relate to a kind of collocation method, device and system of Physical Downlink Control Channel control scheme.
Background technology
In order to make LTE-A (Long Term Evolution-Advanced, senior Long Term Evolution) system's support is than LTE (Long Term Evolution, Long Term Evolution) the wideer system bandwidth of system need couple together the resource of a plurality of LTE carrier waves (claiming member carrier again) use.Particularly, a plurality of continuous or discrete LTE carrier waves are carried out polymerization, for LTE-A provides bigger transmission bandwidth.
In the prior art, it is consistent as far as possible with LTE Release 8 that design on each carrier wave in the carrier aggregation system keeps, thereby the terminal that guarantees LTE R8 can be on each member carrier operate as normal, wherein, the bandwidth of each member carrier can be inconsistent.
Consider PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) She Ji complexity, the flexibility of scheduling, and the asymmetric state of carrier aggregation of up-downgoing, PDCCH control scheme in the carrier aggregation system comprises following two kinds: PDCCH option 1a and PDCCH option1b, wherein, PDCCH option 1a control scheme does not support to stride the scheduling mode between member carrier, each carrier wave independently sends PDCCH, this PDCCH only can dispatch the physical resource of this carrier wave or the resource in the corresponding uplink member carrier that pair relationhip is arranged, as shown in Figure 1; The scheduling mode between member carrier is striden in the support of PDCCH option 1b control scheme, can dispatch the physical resource of other member carriers by a plurality of PDCCH on the member carrier, and every PDCCH can only dispatch the resource of a member carrier, as shown in Figure 2.At present, in the discussion process of LTE-A system, the control scheme of above-mentioned two kinds of PDCCH all can exist in the LTE-A system, and concrete applicable cases determines by semi-static configuration.
The inventor is in realizing process of the present invention, and there are the following problems at least to find prior art:
Also there is not PDCCH option 1a to control the definition of the collocation method that switches between scheme and the PDCCH option 1b control scheme in the prior art.
Summary of the invention
The embodiment of the invention provides a kind of collocation method, device and system of Physical Downlink Control Channel control scheme, has improved the operating efficiency of base station equipment and the serviceability of subscriber equipment.
The embodiment of the invention proposes a kind of collocation method of physical downlink control channel PDCCH control scheme, may further comprise the steps:
Base station equipment sends radio resource control RRC connection reconfiguration message to subscriber equipment, make described subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message;
Described base station equipment reception is reshuffled from the RRC connection of described subscriber equipment and is finished message, connect to reshuffle according to described RRC and finish message modification Downlink Control Information DCI form, described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message;
Wherein, described PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, and described base station equipment connects to reshuffle according to RRC finishes message modification Downlink Control Information DCI form, specifically comprises:
If described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for not comprising member carrier collection CI;
If described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for comprising member carrier collection CI.
Preferably, described PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, and the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is the PDCCH member carrier collection of current activation,
Described subscriber equipment connects reconfiguration message configuration PDCCH control scheme according to described RRC, specifically comprises:
If described base station equipment does not notify the PDCCH member carrier collection of the current activation of described subscriber equipment or described base station equipment that the PDCCH member carrier collection of the current activation of described subscriber equipment correspondence is configured to null set, described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme;
If described base station equipment is notified the PDCCH member carrier collection of the current activation of described subscriber equipment, described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.
Preferably, the PDCCH member carrier collection of described current activation is indicated by the mode of bit mapping bitmap, and the number of the downlink member carrier in the bit number of described bitmap and the system is relevant.
Preferably, when the PDCCH of the described current activation of system definition member carrier collection was 1 member carrier, the PDCCH member carrier collection of described current activation was indicated by the mode of carrier index.
Preferably, the PDCCH member carrier collection that the mode increase by carrier index is used to indicate described current activation is the indication of null set, and indication is configured to not support to stride scheduling mode between member carrier with described PDCCH control scheme.
Preferably, described PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, and the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is whether to support to stride the sign position of dispatching between member carrier,
Described subscriber equipment connects reconfiguration message configuration PDCCH control scheme according to described RRC, specifically comprises:
Reset if described base station equipment is the sign position of dispatching between member carrier of whether supporting to stride of described user device configuration, described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme;
If described base station equipment be described user device configuration whether support to stride the position, home position of dispatching between member carrier, described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.
Preferably, described base station equipment connects to reshuffle according to RRC finishes message modification Downlink Control Information DCI form, specifically comprises:
If described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for not comprising member carrier collection CI;
If described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for comprising member carrier collection CI.
Preferably, the bit number of described CI determines that according to the number of the member carrier in the system member carrier in the described system comprises uplink member carrier and downlink member carrier.
Preferably, the bit number of described CI determines according to the maximum of the number of the number of described uplink member carrier and described downlink member carrier,
When the number of described uplink member carrier during greater than the number of described downlink member carrier, the bit number of described CI is determined according to the number of described uplink member carrier; When the number of described uplink member carrier during less than the number of described downlink member carrier, the bit number of described CI is determined according to the number of described downlink member carrier.
Preferably, the bit number of described CI determines that in the number of the member carrier of the activation of connection status configuration the member carrier of described activation comprises the uplink member carrier of activation and the downlink member carrier of activation according to described subscriber equipment.
Preferably, the bit number of described CI determines according to the maximum of the number of the downlink member carrier of the number of the uplink member carrier of described activation and described activation,
When the number of the uplink member carrier of described activation during greater than the number of the downlink member carrier of described activation, the bit number of described CI is determined according to the number of the uplink member carrier of described activation; When the number of the uplink member carrier of described activation during less than the number of the downlink member carrier of described activation, the bit number of described CI is determined according to the number of the downlink member carrier of described activation.
The embodiment of the invention also proposes a kind of base station equipment, comprising:
Sending module, be used for sending radio resource control RRC connection reconfiguration message to subscriber equipment, make described subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message;
Receiver module be used for to receive RRC from described subscriber equipment and connects to reshuffle and finish message;
Modified module, the RRC that is used for receiving according to described receiver module connect to reshuffle finishes message modification Downlink Control Information DCI form, and described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message.
Preferably, described modified module, concrete being used for when described subscriber equipment is configured to PDCCH control scheme not support to stride scheduling mode between member carrier, with the DCI formatting for not comprising member carrier collection CI; At described subscriber equipment PDCCH control scheme is configured to support to stride scheduling mode between member carrier, with the DCI formatting for comprising member carrier collection CI.
The embodiment of the invention also proposes a kind of subscriber equipment, comprising:
Receiver module, the RRC that is used for receiving from described base station equipment connects reconfiguration message, and described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message;
The configuration information of the PDCCH control scheme that configuration module, the RRC connection reconfiguration message that is used for receiving according to described receiver module carry, configuration PDCCH control scheme;
Sending module is used for the configuration result according to described configuration module, connects to reshuffle to described base station equipment transmission RRC and finishes message;
Wherein, the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is whether to support to stride the sign position of dispatching between member carrier,
Described configuration module, is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme at concrete being used for when described base station equipment is whether supporting to stride the sign position of dispatching between member carrier and resetting of described user device configuration; Described base station equipment be described user device configuration whether support to stride the position, home position of dispatching between member carrier the time, PDCCH control scheme is configured to support to stride scheduling mode between member carrier.
Preferably, the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is the PDCCH member carrier collection of current activation,
Described configuration module, concrete being used for when described base station equipment does not notify the PDCCH member carrier collection of the current activation of described subscriber equipment or described base station equipment that the PDCCH member carrier collection of the current activation of described subscriber equipment correspondence is configured to null set, PDCCH control scheme is configured to not support to stride scheduling mode between member carrier; When described base station equipment is notified the PDCCH member carrier collection of the current activation of described subscriber equipment, PDCCH control scheme is configured to support to stride scheduling mode between member carrier.
Preferably, the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is whether to support to stride the sign position of dispatching between member carrier,
Described configuration module, is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme at concrete being used for when described base station equipment is whether supporting to stride the sign position of dispatching between member carrier and resetting of described user device configuration; Described base station equipment be described user device configuration whether support to stride the position, home position of dispatching between member carrier the time, PDCCH control scheme is configured to support to stride scheduling mode between member carrier.
The embodiment of the invention also proposes a kind of configuration-system of PDCCH control scheme, comprises base station equipment and subscriber equipment,
Described base station equipment, be used for sending RRC to described subscriber equipment and connect reconfiguration message, make described subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message; Reception connects to reshuffle from the RRC of described subscriber equipment finishes message, connects to reshuffle according to described RRC and finishes message modification Downlink Control Information DCI form, and described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message;
Described subscriber equipment, the RRC that is used for receiving from described base station equipment connects reconfiguration message, and described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message; The configuration information configuration PDCCH control scheme that connects the PDCCH control scheme that reconfiguration message carries according to described RRC; And according to described configuration result, send RRC to described base station equipment and connect to reshuffle and finish message;
Wherein, described PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, and described base station equipment connects to reshuffle according to RRC finishes message modification Downlink Control Information DCI form, specifically comprises:
If described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for not comprising member carrier collection CI;
If described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for comprising member carrier collection CI.
The technical scheme of the embodiment of the invention has the following advantages, because defined the collocation method that switches between the different PDCCH control schemes, base station equipment can be switched between different PDCCH control schemes by configure user equipment, improved the operating efficiency of base station equipment and the serviceability of subscriber equipment.
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 to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only 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.
Fig. 1 is not for supporting to stride the PDCCH control scheme schematic diagram of scheduling mode between member carrier;
Fig. 2 is for supporting to stride the PDCCH control scheme schematic diagram of scheduling mode between member carrier;
Fig. 3 is the collocation method flow chart of a kind of PDCCH control scheme in the embodiment of the invention one;
Fig. 4 is the collocation method flow chart of a kind of PDCCH control scheme in the embodiment of the invention two;
The PDCCH member carrier collection schematic diagram of Fig. 5 for activating;
Fig. 6 is the collocation method flow chart of a kind of PDCCH control scheme in the embodiment of the invention three;
Fig. 7 is a kind of base station equipment structural representation in the embodiment of the invention four;
Fig. 8 is a kind of user device architecture schematic diagram in the embodiment of the invention five;
Fig. 9 is the configuration-system structural representation of a kind of PDCCH control scheme in the embodiment of the invention six.
Embodiment
In the embodiment of the invention, the base station is entering RRC (Radio Resource Control in terminal, Radio Resource control) after the connection status, whether support to stride scheduling between member carrier by the scheduling method of RRC signaling configurating terminal, if be configured to not support to stride the scheduling method between member carrier, the base station is not by comprising CI (Carrier Identify, the member carrier sign) DCI (the Downlink ControlInformation of indication, Downlink Control Information) the business transmission of form (namely DCI form) similar to the R8 of LTE dispatch terminal, corresponding up PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) dispatches according to the pair relationhip between the up-downgoing member carrier; If be configured to support to stride the scheduling method between member carrier, the business transmission of the indication information dispatch terminal of base station by in DCI, carrying member carrier.Terminal is determined the DCI form that it needs blind Detecting according to the scheduling method of configuration.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the 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 obtains under the creative work prerequisite.
As shown in Figure 3, the collocation method flow chart for a kind of PDCCH control scheme in the embodiment of the invention one may further comprise the steps:
Step 101, base station equipment send RRC to subscriber equipment and connect reconfiguration message, make this subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to this RRC.
Wherein, RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message, and this configuration information can be the PDCCH member carrier collection of current activation, also can be for whether supporting to stride the sign position of dispatching between member carrier.
Step 102, base station equipment receive RRC from subscriber equipment and connect to reshuffle and finish message, connect to reshuffle according to this RRC and finish message modification DCI form, and this RRC connects and reshuffles that to finish message corresponding with RRC connection reconfiguration message.
Particularly, if subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme, base station equipment with the DCI formatting for not comprising member carrier collection CI; If subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme, base station equipment with the DCI formatting for comprising member carrier collection CI.
The technical scheme of the embodiment of the invention has the following advantages, because defined the collocation method that switches between the different PDCCH control schemes, base station equipment can be switched between different PDCCH control schemes by configure user equipment, improved the operating efficiency of base station equipment and the serviceability of subscriber equipment.
As shown in Figure 4, the collocation method flow chart for a kind of PDCCH control scheme in the embodiment of the invention two may further comprise the steps:
Step 201, base station equipment connects reconfiguration message to the RRC that subscriber equipment sends the PDCCH member carrier collection of carrying current activation.
Particularly, PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, comprise three kinds in the LTE-A system based on UE (User Equipment, the set of member carrier subscriber equipment), it is the PDCCH member carrier collection that the set of UE downlink member carrier, the set of UE uplink member carrier and UE activate, wherein, UE downlink member carrier set needs to pass through explicit signaling for may the be scheduled member carrier collection of PDSCH of UE; UE uplink member carrier set is may the be scheduled member carrier collection of PUSCH of UE, can realize by the mode of scheduling, whether but not having clearly needs signaling, and whether the PDCCH member carrier collection that UE activates for needing to define the member carrier collection that UE need monitor PDCCH.As shown in Figure 5, be the PDCCH member carrier collection schematic diagram that activates, S PDCCH ⊆ S active ⊆ S all , Wherein, S PDCCHBe the PDCCH member carrier collection that activates, S ActiveBe the member carrier collection of following line activating, S AllSet for all downlink member carriers.
System need connect the PDCCH member carrier collection S of the current activation of the new indication subscriber equipment of increase in the reconfiguration message at RRC PDCCHInformation field, the PDCCH member carrier collection S of current activation PDCCHCan indicate by the mode that bit shines upon bitmap, the number of the downlink member carrier in the bit number of this bitmap and the system is relevant.If the PDCCH member carrier collection S of current activation PDCCHBeing null set, can be 0 with all bit positions among the bitmap.When the PDCCH of the current activation of system definition member carrier collection is 1 member carrier, the PDCCH member carrier collection of current activation can be indicated by the mode of carrier index, and the PDCCH member carrier collection that the mode increase by carrier index is used to indicate described current activation is the indication of null set, and indication is configured to not support to stride scheduling mode between member carrier with described PDCCH control scheme.For example, 5 member carriers are arranged in the system, owing to need to increase the indication that is used to indicate null set, then a S PDCCH6 states of information field definition, wherein, 0 state can be expressed as null set, the bit number of signaling is
Figure G2009100930762D00082
Step 202, subscriber equipment receives RRC and connects reconfiguration message, whether the PDCCH member carrier collection of judging the current activation that this RRC connection reconfiguration message is carried is null set, if the PDCCH member carrier collection of current activation is null set, then execution in step 203; If the PDCCH member carrier collection of current activation is not null set, then execution in step 205.
Step 203, subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme.
Particularly, if base station equipment does not have the PDCCH member carrier collection of the current activation of notifying user equipment or base station equipment that the PDCCH member carrier collection of the current activation of subscriber equipment correspondence is configured to null set, subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme.
Step 204, base station equipment receive RRC from subscriber equipment and connect to reshuffle and finish message, with the DCI formatting for not comprising member carrier collection CI, and by the DCI form scheduling user's set after arranging.
Step 205, subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.
Particularly, if the PDCCH member carrier collection of the current activation of base station equipment notifying user equipment, and the PDCCH member carrier collection of this current activation is not configured to null set, and subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.When base station equipment switches to PDCCH option 1a scheduling mode with subscriber equipment from PDCCH option 1b scheduling mode, can be by the PDCCH member carrier collection S with the current activation of subscriber equipment PDCCHBeing configured to null set realizes switching.
In addition, can be by the PDCCH member carrier collection S of more current activation PDCCHWith downlink member carrier S DL_CCBetween relation determine that the subscriber equipment support strides the scheduling mode between member carrier.Work as S PDCCH＜S DL_CCThe time, can confirm beyond all doubtly that subscriber equipment need be configured to support to stride the scheduling mode between member carrier; Work as S PDCCH=S DL_CCThe time, under up-downgoing member carrier number asymmetric case, uplink member carrier is more than the downlink member carrier number, for example, 1 corresponding 2 uplink member carrier of downlink member carrier, subscriber equipment is S in carrier aggregation PDCCH=S DL_CC={ 1}, but need the PUSCH of two uplink member carrier of scheduling, therefore, subscriber equipment still needs to be configured to support to stride the scheduling mode between member carrier.
Step 206, base station equipment receive RRC from subscriber equipment and connect to reshuffle and finish message, with the DCI formatting for comprising member carrier collection CI, and by the DCI form scheduling user's set after arranging.
Wherein, method that can be by Cell specific (residential quarter is specific) or the method for UE specific (subscriber equipment is specific) are determined the bit number of CI, wherein, in the method for Cell specific, the bit number of CI can determine that the member carrier in this system comprises uplink member carrier and downlink member carrier according to the number of the member carrier in the system.Particularly, the bit number of CI is determined according to the maximum of the number of the number of described uplink member carrier and described downlink member carrier, when the number of described uplink member carrier during greater than the number of described downlink member carrier, the bit number of described CI is determined according to the number of described uplink member carrier; When the number of described uplink member carrier during less than the number of described downlink member carrier, the bit number of described CI is determined according to the number of described downlink member carrier.Consider the asymmetry of up-downgoing member carrier number, the CI bit number can be defined as
Figure G2009100930762D00101
Wherein, N is the number of uplink member carrier, and M is the number of downlink member carrier.
In the method for UE specific, the bit number of CI also can determine that in the number of the member carrier of the activation of connection status configuration the member carrier of this activation comprises the uplink member carrier of activation and the downlink member carrier of activation according to subscriber equipment.Particularly, the bit number of CI is determined according to the maximum of the number of the downlink member carrier of the number of the uplink member carrier of described activation and described activation, when the number of the uplink member carrier of described activation during greater than the number of the downlink member carrier of described activation, the bit number of described CI is determined according to the number of the uplink member carrier of described activation; When the number of the uplink member carrier of described activation during less than the number of the downlink member carrier of described activation, the bit number of described CI is determined according to the number of the downlink member carrier of described activation.The CI bit number is defined as
Figure G2009100930762D00102
Wherein N ' is the number of the uplink member carrier of activation, and M ' is the number of the downlink member carrier of activation.
Need to prove that the inventive method can be adjusted each step order according to actual needs.
The technical scheme of the embodiment of the invention has the following advantages, because defined the collocation method that switches between the different PDCCH control schemes, base station equipment can be switched between different PDCCH control schemes by configure user equipment, improved the operating efficiency of base station equipment and the serviceability of subscriber equipment.
The embodiment of the invention two is applied to the application scenarios in explicit signaling when notice of PDCCH active CC set, in order to improve the practicality of the embodiment of the invention, the present invention also provides a kind of technical scheme that is applicable to more application scenarioss by following examples, this scheme can be applied to not define in the standard application scenarios of PDCCHactive CC set, can also be applied to base station equipment and not pass through the application scenarios of explicit signaling PDCCH active CC set, can certainly be applied to the application scenarios in explicit signaling when notice of PDCCH active CC set, just increase the extra signaling consumption of striding member carrier scheduling indication.
As shown in Figure 6, the collocation method flow chart for a kind of PDCCH control scheme in the embodiment of the invention three may further comprise the steps:
Step 301, base station equipment send to subscriber equipment and carry the RRC connection reconfiguration message of whether supporting to stride the sign position of dispatching between member carrier.
Particularly, system need connect in the reconfiguration message information unit that increases 1bit at RRC, as whether supporting to stride the sign position of dispatching between member carrier.
Step 302, subscriber equipment receive RRC and connect reconfiguration message, whether set of the sign position judge that this RRC connects that reconfiguration message carries whether support to stride dispatched between member carrier, if this flag bit does not have set, then execution in step 303; If this flag bit set, then execution in step 305.
Particularly, whether the sign position of dispatching between member carrier is striden in support is initially reset mode, sign position can be set be at 0 o'clock and represent this sign resets, sign position is to represent this position, home position at 1 o'clock, need to prove that whether supporting in the embodiment of the invention striden the set of the sign position of dispatching between member carrier and the mode that resets is not limited in this.
Step 303, subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme.
Particularly, reset if base station equipment is the sign position of dispatching between member carrier of whether supporting to stride of user device configuration, for example, this sign position is 0, and subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme.
Step 304, base station equipment receive RRC from subscriber equipment and connect to reshuffle and finish message, with the DCI formatting for not comprising member carrier collection CI.
Step 305, subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.
Particularly, if base station equipment be user device configuration whether support to stride the position, home position of dispatching between member carrier, for example, this sign position is 1, subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.
Step 306, base station equipment receive RRC from subscriber equipment and connect to reshuffle and finish message, with the DCI formatting for comprising member carrier collection CI.
Particularly, method that can be by Cell specific (residential quarter is specific) or the method for UE specific (subscriber equipment is specific) are determined the bit number of CI, wherein, in the method for Cell specific, the bit number of CI can determine that the member carrier in this system comprises uplink member carrier and downlink member carrier according to the number of the member carrier in the system.Consider the asymmetry of up-downgoing member carrier number, the CI bit number can be defined as
Figure G2009100930762D00121
Wherein, N is the number of uplink member carrier, and M is the number of downlink member carrier.
In the method for UE specific, the bit number of CI also can determine that in the number of the member carrier of the activation of connection status configuration the member carrier of this activation comprises the uplink member carrier of activation and the downlink member carrier of activation according to subscriber equipment.The CI bit number is defined as
Figure G2009100930762D00122
Wherein N ' is the number of the uplink member carrier of activation, and M ' is the number of the downlink member carrier of activation.
Need to prove that the inventive method can be adjusted each step order according to actual needs.
The technical scheme of the embodiment of the invention has the following advantages, because defined the collocation method that switches between the different PDCCH control schemes, base station equipment can be switched between different PDCCH control schemes by configure user equipment, improved the operating efficiency of base station equipment and the serviceability of subscriber equipment.
As shown in Figure 7, a kind of base station equipment structural representation in the embodiment of the invention four comprises:
Sending module 410, be used for sending radio resource control RRC connection reconfiguration message to subscriber equipment, make described subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message.
Receiver module 420 be used for to receive RRC from described subscriber equipment and connects to reshuffle and finish message.
Modified module 430, the RRC that is used for receiving according to described receiver module 420 connect to reshuffle finishes message modification Downlink Control Information DCI form, and described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message.
Above-mentioned modified module 430, concrete being used for when described subscriber equipment is configured to PDCCH control scheme not support to stride scheduling mode between member carrier, with the DCI formatting for not comprising member carrier collection CI; At described subscriber equipment PDCCH control scheme is configured to support to stride scheduling mode between member carrier, with the DCI formatting for comprising member carrier collection CI.
As shown in Figure 8, a kind of user device architecture schematic diagram in the embodiment of the invention five comprises:
Receiver module 510, the RRC that is used for receiving from described base station equipment connects reconfiguration message, and described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message.
The configuration information of the PDCCH control scheme that configuration module 520, the RRC connection reconfiguration message that is used for receiving according to described receiver module 510 carry, configuration PDCCH control scheme.
Particularly, the configuration information that above-mentioned RRC connects the PDCCH control scheme of carrying in the reconfiguration message can be the PDCCH member carrier collection of current activation, above-mentioned configuration module 520, concrete being used for when described base station equipment does not notify the PDCCH member carrier collection of the current activation of described subscriber equipment or described base station equipment that the PDCCH member carrier collection of the current activation of described subscriber equipment correspondence is configured to null set, PDCCH control scheme is configured to not support to stride scheduling mode between member carrier; When described base station equipment is notified the PDCCH member carrier collection of the current activation of described subscriber equipment, PDCCH control scheme is configured to support to stride scheduling mode between member carrier.
Whether the configuration information that above-mentioned RRC connects the PDCCH control scheme of carrying in the reconfiguration message also can be for supporting to stride the sign position of dispatching between member carrier, above-mentioned configuration module 520, concrete being used for when described base station equipment is whether supporting to stride the sign position of dispatching between member carrier and resetting of described user device configuration, PDCCH control scheme is configured to not support to stride scheduling mode between member carrier; Described base station equipment be described user device configuration whether support to stride the position, home position of dispatching between member carrier the time, PDCCH control scheme is configured to support to stride scheduling mode between member carrier.
Sending module 530 is used for the configuration result according to described configuration module 520, connects to reshuffle to described base station equipment transmission RRC and finishes message.
Fig. 9 is the configuration-system structural representation of a kind of PDCCH control scheme in the embodiment of the invention six, comprises base station equipment 610 and subscriber equipment 620, wherein,
Base station equipment 610, be used for sending RRC to subscriber equipment 620 and connect reconfiguration message, make described subscriber equipment 620 connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message; Reception connects to reshuffle from the RRC of described subscriber equipment 620 finishes message, connects to reshuffle according to described RRC and finishes message modification Downlink Control Information DCI form, and described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message.
Subscriber equipment 620, the RRC that is used for receiving from base station equipment 610 connects reconfiguration message, and described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message; The configuration information configuration PDCCH control scheme that connects the PDCCH control scheme that reconfiguration message carries according to described RRC; And according to described configuration result, send RRC to described base station equipment 610 and connect to reshuffle and finish message.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of above-described embodiment can be integrated in one, and also can separate deployment, can merge into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.

Claims (14)

1. the collocation method of a physical downlink control channel PDCCH control scheme is characterized in that, may further comprise the steps:
Base station equipment sends radio resource control RRC connection reconfiguration message to subscriber equipment, make described subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message;
Described base station equipment reception is reshuffled from the RRC connection of described subscriber equipment and is finished message, connect to reshuffle according to described RRC and finish message modification Downlink Control Information DCI form, described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message;
Wherein, described PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, and described base station equipment connects to reshuffle according to RRC finishes message modification Downlink Control Information DCI form, specifically comprises:
If described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for not comprising member carrier collection CI;
If described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for comprising member carrier collection CI.
2. the method for claim 1 is characterized in that, the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is the PDCCH member carrier collection of current activation,
Described subscriber equipment connects reconfiguration message configuration PDCCH control scheme according to described RRC, specifically comprises:
If described base station equipment does not notify the PDCCH member carrier collection of the current activation of described subscriber equipment or described base station equipment that the PDCCH member carrier collection of the current activation of described subscriber equipment correspondence is configured to null set, described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme;
If described base station equipment is notified the PDCCH member carrier collection of the current activation of described subscriber equipment, described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.
3. method as claimed in claim 2 is characterized in that, the PDCCH member carrier collection of described current activation is indicated by the mode of bit mapping bitmap, and the number of the downlink member carrier in the bit number of described bitmap and the system is relevant.
4. method as claimed in claim 2 is characterized in that, when the PDCCH of the described current activation of system definition member carrier collection was 1 member carrier, the PDCCH member carrier collection of described current activation was indicated by the mode of carrier index.
5. method as claimed in claim 4, it is characterized in that, the PDCCH member carrier collection that mode increase by carrier index is used to indicate described current activation is the indication of null set, and indication is configured to not support to stride scheduling mode between member carrier with described PDCCH control scheme.
6. the method for claim 1, it is characterized in that, described PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, and the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is whether to support to stride the sign position of dispatching between member carrier
Described subscriber equipment connects reconfiguration message configuration PDCCH control scheme according to described RRC, specifically comprises:
Reset if described base station equipment is the sign position of dispatching between member carrier of whether supporting to stride of described user device configuration, described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme;
If described base station equipment be described user device configuration whether support to stride the position, home position of dispatching between member carrier, described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme.
7. the method for claim 1 is characterized in that, the bit number of described CI determines that according to the number of the member carrier in the system member carrier in the described system comprises uplink member carrier and downlink member carrier.
8. method as claimed in claim 7 is characterized in that, the bit number of described CI determines according to the maximum of the number of the number of described uplink member carrier and described downlink member carrier,
When the number of described uplink member carrier during greater than the number of described downlink member carrier, the bit number of described CI is determined according to the number of described uplink member carrier; When the number of described uplink member carrier during less than the number of described downlink member carrier, the bit number of described CI is determined according to the number of described downlink member carrier.
9. the method for claim 1, it is characterized in that, the bit number of described CI determines that in the number of the member carrier of the activation of connection status configuration the member carrier of described activation comprises the uplink member carrier of activation and the downlink member carrier of activation according to described subscriber equipment.
10. method as claimed in claim 9 is characterized in that, the bit number of described CI determines according to the maximum of the number of the downlink member carrier of the number of the uplink member carrier of described activation and described activation,
When the number of the uplink member carrier of described activation during greater than the number of the downlink member carrier of described activation, the bit number of described CI is determined according to the number of the uplink member carrier of described activation; When the number of the uplink member carrier of described activation during less than the number of the downlink member carrier of described activation, the bit number of described CI is determined according to the number of the downlink member carrier of described activation.
11. a base station equipment is characterized in that, comprising:
Sending module, be used for sending radio resource control RRC connection reconfiguration message to subscriber equipment, make described subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message;
Receiver module be used for to receive RRC from described subscriber equipment and connects to reshuffle and finish message;
Modified module, the RRC that is used for receiving according to described receiver module connect to reshuffle finishes message modification Downlink Control Information DCI form, and described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message;
Wherein, described modified module, concrete being used for when described subscriber equipment is configured to PDCCH control scheme not support to stride scheduling mode between member carrier, with the DCI formatting for not comprising member carrier collection CI; At described subscriber equipment PDCCH control scheme is configured to support to stride scheduling mode between member carrier, with the DCI formatting for comprising member carrier collection CI.
12. a subscriber equipment is characterized in that, comprising:
Receiver module, the RRC that is used for receiving from base station equipment connects reconfiguration message, and described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message;
The configuration information of the PDCCH control scheme that configuration module, the RRC connection reconfiguration message that is used for receiving according to described receiver module carry, configuration PDCCH control scheme;
Sending module is used for the configuration result according to described configuration module, connects to reshuffle to described base station equipment transmission RRC and finishes message;
Wherein, the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is whether to support to stride the sign position of dispatching between member carrier,
Described configuration module, is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme at concrete being used for when described base station equipment is whether supporting to stride the sign position of dispatching between member carrier and resetting of described user device configuration; Described base station equipment be described user device configuration whether support to stride the position, home position of dispatching between member carrier the time, PDCCH control scheme is configured to support to stride scheduling mode between member carrier.
13. subscriber equipment as claimed in claim 12 is characterized in that, the configuration information that described RRC connects the PDCCH control scheme of carrying in the reconfiguration message is the PDCCH member carrier collection of current activation,
Described configuration module, concrete being used for when described base station equipment does not notify the PDCCH member carrier collection of the current activation of described subscriber equipment or described base station equipment that the PDCCH member carrier collection of the current activation of described subscriber equipment correspondence is configured to null set, PDCCH control scheme is configured to not support to stride scheduling mode between member carrier; When described base station equipment is notified the PDCCH member carrier collection of the current activation of described subscriber equipment, PDCCH control scheme is configured to support to stride scheduling mode between member carrier.
14. the configuration-system of a PDCCH control scheme comprises base station equipment and subscriber equipment, it is characterized in that,
Described base station equipment, be used for sending RRC to described subscriber equipment and connect reconfiguration message, make described subscriber equipment connect reconfiguration message configuration PDCCH control scheme according to described RRC, described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message; Reception connects to reshuffle from the RRC of described subscriber equipment finishes message, connects to reshuffle according to described RRC and finishes message modification Downlink Control Information DCI form, and described RRC connects and reshuffles that to finish message corresponding with described RRC connection reconfiguration message;
Described subscriber equipment, the RRC that is used for receiving from described base station equipment connects reconfiguration message, and described RRC connects the configuration information that carries PDCCH control scheme in the reconfiguration message; The configuration information configuration PDCCH control scheme that connects the PDCCH control scheme that reconfiguration message carries according to described RRC; And according to described configuration result, send RRC to described base station equipment and connect to reshuffle and finish message;
Wherein, described PDCCH control scheme comprises the scheduling mode of whether supporting to stride between member carrier, and described base station equipment connects to reshuffle according to RRC finishes message modification Downlink Control Information DCI form, specifically comprises:
If described subscriber equipment is configured to not support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for not comprising member carrier collection CI;
If described subscriber equipment is configured to support to stride scheduling mode between member carrier with PDCCH control scheme, described base station equipment with the DCI formatting for comprising member carrier collection CI.
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