CN102104933A - Carrier transmission method, equipment and system for bearing physical downlink control channel information - Google Patents
Carrier transmission method, equipment and system for bearing physical downlink control channel information Download PDFInfo
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- CN102104933A CN102104933A CN2009102434254A CN200910243425A CN102104933A CN 102104933 A CN102104933 A CN 102104933A CN 2009102434254 A CN2009102434254 A CN 2009102434254A CN 200910243425 A CN200910243425 A CN 200910243425A CN 102104933 A CN102104933 A CN 102104933A
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Abstract
The embodiment of the invention discloses a carrier transmission method for bearing physical downlink control channel (PDCCH) information. The method comprises the following steps of: determining a corresponding relationship between a carrier for bearing cross-carrier PDCCH information and a carrier indicated by the cross-carrier PDCCH information according to the channel conditions of carriers; and acquiring the determined corresponding relationship through control signaling and receiving the cross-carrier PDCCH information according to the corresponding relationship by user equipment. The embodiment of the invention also discloses a carrier transmission system for bearing the PDCCH information, a base station and the user equipment. After the embodiment of the invention is applied, the blind detection times can be remarkably reduced.
Description
Technical field
The present invention relates to the mobile communication technology field, more specifically, relate to carrying Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH) carrier transmission method of information, equipment and system.
Background technology
Along with the development of mobile communication technology, subscriber traffic and data throughout constantly increase, and 3-G (Generation Three mobile communication system) can not satisfy user's demand fully.Therefore, (3rdGeneration Partnership Project 3GPP) is devoted to that (Long TermEvolution is LTE) as the evolution of 3G system with the 3GPP Long Term Evolution to third generation partner program.In order to obtain higher data rate, lower time delay, improved power system capacity and coverage, press for the technology that needs carrier aggregation.
Up to now, in the design of carrier aggregation PDCCH, select (option) 1b scheme to be retained, its core concept is that PDCCH can stride carrier resource distribution indication, for example indicate certain subscriber equipment (User Equipment, UE) the PDCCH information of resource allocation information on carrier wave 1, carrier wave 2 and carrier wave 3 all is placed on the carrier wave 2 and transmits, and (CarrierIndicator CI) shows the corresponding relation of indicating between PDCCH and the carrier wave to pass through a carrier wave indication.Fig. 1 is the PDCCH information-bearing schematic diagram of striding carrier wave in the prior art.As seen from Figure 1, PDCCH information by carrier wave 2 transmission indication UE resource allocation information on carrier wave 1, carrier wave 2 and carrier wave 3, and carrier wave 2 from a left side to being divided into 3 zones, be respectively applied for the resource allocation information of certain UE of carrying indication on carrier wave 1, carrier wave 2 and carrier wave 3.
Under this scheme, PDCCH is placed with dual mode: mode 1 belongs to that PDCCH is placed on same search volume on a plurality of carrier waves of same UE; Mode 2 belongs to that PDCCH is placed on different search volumes on a plurality of carrier waves of same UE.Under this dual mode, terminal all needs PDCCH is carried out blind Detecting, and considers the terminal fulfillment capability, wishes in the standardization to reduce maximum blind Detecting number of times.
Such as, suppose that certain UE is configured in m carrier wave (CC1, CC2, ..., carrying out polymerization on CCm), network side will be provided with a PDCCH subclass (set) for this UE, all PDCCH information can be positioned on the interior any carrier wave of PDCCH set to be transmitted, for example PDCCH be disposed at fixing n (n＜=m) transmit on the individual carrier wave (being that PDCCH set is set to n), then the number of times of the blind Detecting that needs of UE is (suppose the bandwidth difference of different carrier, communication pattern is identical):
Place for the PDCCH in the mode 1, the blind Detecting number of times in UE particular search space is n* (m* (2* (6+6+2+2)))=32mn time;
Place for the PDCCH of mode 2, the blind Detecting number of times in UE particular search space is n* (m* (2* (6+6+2+2)))=32mn time.
This shows, in the prior art, which kind of PDCCH modes of emplacement no matter, the blind Detecting number of times is all bigger, presses for to be optimized.
Summary of the invention
Embodiment of the present invention proposes a kind of carrier transmission method of carrying PDCCH information, to reduce the blind Detecting number of times.
Embodiment of the present invention proposes a kind of carrier transmission system of carrying PDCCH information, to reduce the blind Detecting number of times.
Embodiment of the present invention proposes a kind of base station, to reduce the blind Detecting number of times.
Embodiment of the present invention proposes a kind of subscriber equipment, to reduce the blind Detecting number of times.
The technical scheme of embodiment of the present invention is as follows:
A kind of carrier transmission method of carrying Physical Downlink Control Channel information, this method comprises:
According to the channel conditions of carrier wave, determine to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding carrier wave Physical Downlink Control Channel information;
Subscriber equipment obtains determined described corresponding relation by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
A kind of carrier transmission system of carrying Physical Downlink Control Channel information, this system comprises base station and subscriber equipment, wherein:
The base station is used for the channel conditions according to carrier wave, determines to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding carrier wave Physical Downlink Control Channel information;
Subscriber equipment is used for obtaining the described corresponding relation of being determined by described base station by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
A kind of base station comprises corresponding relation determining unit and control signaling transmitting element, wherein:
The corresponding relation determining unit is used for the channel conditions according to carrier wave, determines to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding carrier wave Physical Downlink Control Channel information;
Control signaling transmitting element is used for sending described corresponding relation by the control signaling to subscriber equipment.
A kind of subscriber equipment comprises control signaling receiving element and strides carrier wave Physical Downlink Control Channel information transmission unit, wherein:
Control signaling receiving element is used for receiving carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information that carrier wave Physical Downlink Control Channel information is striden in according to the channel conditions of carrier wave determined carrying by the control signaling;
Stride carrier wave Physical Downlink Control Channel information transmission unit, be used for receiving the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
From technique scheme as can be seen, in embodiment of the present invention, at first determine to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding carrier wave Physical Downlink Control Channel information, subscriber equipment obtains this corresponding relation by the control signaling then, and receives the carrier wave Physical Downlink Control Channel information of striding according to this corresponding relation.This shows, after using embodiment of the present invention, stride the carrier wave of carrier wave Physical Downlink Control Channel information and stride between the indicated carrier wave of carrier wave Physical Downlink Control Channel information and set up corresponding relation in carrying according to the channel conditions of carrier wave, stride carrier wave PDCCH information thereby determined on particular carrier wave, to transmit certain, therefore can reduce the number of maximum blind Detecting significantly.
Such as, suppose that subscriber equipment is configured in 4 carrier wave (CC1, CC2, CC3, CC4) go up to receive data, and subscriber equipment is better at CC1 and CC2 upper signal channel state at CC3 and CC4 upper signal channel out of order, then embodiment of the present invention will dispose " indication CC3 resource allocation stride carrier wave PDCCH " information and be placed on CC1 and go up transmission, and " indication CC3 resource allocation stride carrier wave PDCCH " is placed on CC2 and goes up transmission.At this moment, the maximum blind Detecting number of times of subscriber equipment in the particular search space is: 4*32=128, and 32*2*4=256 blind check number of times compared to existing technology, the maximum blind Detecting number of times of embodiment of the present invention has obtained effective reduction.
Description of drawings
Fig. 1 is the PDCCH information-bearing schematic diagram of striding carrier wave in the prior art.
Fig. 2 is the carrier transmission method schematic flow sheet according to the carrying PDCCH information of embodiment of the present invention.
Fig. 3 utilizes RRC to connect the carrier transmission schematic flow sheet that reconfiguration information realizes carrying PDCCH information according to embodiment of the present invention.
Fig. 4 is the carrier transmission system structural representation according to embodiment of the present invention carrying PDCCH information.
Fig. 5 is the architecture of base station schematic diagram according to embodiment of the present invention.
Fig. 6 is the user device architecture schematic diagram according to embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, the present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
In embodiment of the present invention, channel conditions according to carrier wave, stride the carrier wave of carrier wave PDCCH information and stride between the indicated carrier wave of carrier wave PDCCH information and set up corresponding relation in carrying, be to stride clear and definite certain (a bit) carrier wave PDCCH information only to be placed on certain (a bit) and to determine to transmit on the carrier wave, thereby reduce the number of times of blind Detecting.
Fig. 2 is the carrier transmission method schematic flow sheet according to the carrying PDCCH information of embodiment of the present invention.
As shown in Figure 2, this method comprises:
Step 201:, determine that carrying strides the carrier wave of carrier wave PDCCH information and stride corresponding relation between the indicated carrier wave of carrier wave PDCCH information according to the channel conditions of carrier wave.
Here, preferably understand the channel quality status of carrier wave, and then determine that carrying strides the carrier wave of carrier wave PDCCH information and stride corresponding relation between the indicated carrier wave of carrier wave PDCCH information according to the load condition on the channel quality status on each member carrier of user equipment to report report and each member carrier.Generally speaking, can transmit on the carrier wave preferably in channel quality status striding carrier wave PDCCH information configuration.
Such as: supposing that the user is configured on 4 carrier waves receives data, and these 4 carrier waves are respectively CC1, CC2, CC3, CC4, and the bandwidth of these 4 carrier waves is all different.The carrier channel quality condition of supposing user equipment to report is reported as: the channel status on CC1 and CC2 is better, and at CC3 and CC4 upper signal channel out of order.ENodeB can dispose " the carrier wave PDCCH information of indication CC1 and CC3 resource allocation " and be placed on upward transmission of CC1 so; " the carrier wave PDCCH information of indication CC2 and CC4 resource allocation " is placed on CC2 and goes up transmission.
Step 202: subscriber equipment obtains determined described corresponding relation by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
Here, the control signaling can be controlled (RRC) signaling or media interviews control (Mac) signaling for Radio Resource.More specifically, above-mentioned corresponding relation can be placed on the RRC connection and reshuffle in signaling (RRC connection reconfiguration) signaling or RRC connection re-establishment signaling (RRCconnection reestablishment) information, in the perhaps newly-designed signaling.
In one embodiment, subscriber equipment obtains determined described corresponding relation and comprises by the control signaling: subscriber equipment receives by the control signaling and strides the indicated additional carrier of carrier wave PDCCH information; Stride the indicated additional carrier of carrier wave PDCCH information by this then and determine to stride the indicated carrier wave of carrier wave PDCCH information, and determine that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave PDCCH information of carrier wave PDCCH information are striden in carrying.
More specifically, subscriber equipment can receive the carrier wave and the corresponding relation of striding the indicated additional carrier of carrier wave PDCCH information that carrier wave PDCCH is striden in carrying by the control signaling.Carrying is striden the carrier wave of carrier wave PDCCH information and can be finished by carrier index with the corresponding relation of striding the indicated carrier wave of carrier wave PDCCH information.
Such as: supposing that the user is configured on 4 carrier waves receives data, and these 4 carrier waves are respectively CC1, CC2, CC3, the bandwidth of CC4 and these 4 carrier waves is all different.According to the report of the carrier channel quality condition of user equipment to report as can be known, the channel status on CC1 and CC2 is better, and at CC3 and CC4 upper signal channel out of order.ENodeB can dispose " the carrier wave PDCCH information of indication CC1 and CC3 resource allocation " and be placed on upward transmission of CC1 so, and " the carrier wave PDCCH information of indication CC2 and CC4 resource allocation " is placed on CC2 and goes up transmission.That is to say that CC1 is corresponding to CC1 and CC3; CC2 is corresponding to CC2 and CC4.At this moment, for carrier wave CC1, because it is default scenario that the indicated carrier wave CC1 of carrier wave PDCCH is striden in carrying, then striding the indicated additional carrier of carrier wave PDCCH information is CC3, can only pass through the corresponding relation of control signaling with CC1 and CC3 this moment, and the corresponding relation of CC2 and CC4 passes to subscriber equipment.After subscriber equipment receives the control signaling, carrying is striden the carrier wave of carrier wave PDCCH information and the corresponding relation of striding between the indicated carrier wave of carrier wave physics PDCCH information is defined as: CC1 is corresponding to CC1 and CC3 again; CC2 is corresponding to CC2 and CC4.
In another embodiment, subscriber equipment obtains determined described corresponding relation by the control signaling and comprises: subscriber equipment receives the described indicated carrier wave of carrier wave PDCCH information of striding by the control signaling, and determines that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave PDCCH information of carrier wave PDCCH information are striden in carrying.
More specifically, subscriber equipment can directly receive the carrier wave and the corresponding relation of striding the indicated carrier wave of carrier wave PDCCH information that carrier wave PDCCH is striden in carrying by the control signaling.
Such as: supposing that the user is configured on 4 carrier waves receives data, and these 4 carrier waves are respectively CC1, CC2, CC3, the bandwidth of CC4 and these 4 carrier waves is all different.According to the report of the carrier channel quality condition of user equipment to report as can be known, the channel status on CC1 and CC2 is better, and at CC3 and CC4 upper signal channel out of order.ENodeB can dispose " the carrier wave PDCCH information of indication CC1 and CC3 resource allocation " and be placed on upward transmission of CC1 so, and " the carrier wave PDCCH information of indication CC2 and CC4 resource allocation " is placed on CC2 and goes up transmission.That is to say that CC1 is corresponding to CC1 and CC3; CC2 is corresponding to CC2 and CC4.Can pass to subscriber equipment corresponding to CC1 and CC3, CC2 corresponding to the complete corresponding relation of CC2 and CC4 with CC1 this moment by the control signaling.After subscriber equipment receives the control signaling, carrying can be striden the carrier wave of carrier wave PDCCH information and the corresponding relation of striding between the indicated carrier wave of carrier wave physics PDCCH information directly is defined as: CC1 is corresponding to CC1 and CC3; CC2 is corresponding to CC2 and CC4.
In one embodiment, subscriber equipment further obtains entry-into-force time information by the control signaling, and receive the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation, thereby guarantee that subscriber equipment and network can use new configuration simultaneously in the described determined moment of entry-into-force time information.Wherein: entry-into-force time information can be absolute time (such as System Frame Number ((System FrameNumber)) information, also can or relative time information (such as natural number n, represent n subframe after, this configuration begins to enable).
And the configure trigger factor that carrier wave PDCCH carrier wave is striden in carrying can be the business variation of user device channel state variation, subscriber equipment etc., and embodiment of the present invention is to this and indefinite.
Be the flow process of example explanation embodiment of the present invention below with the user device channel state variation.
Fig. 3 utilizes RRC to connect the schematic flow sheet that reconfiguration information realizes the carrier transmission of carrying PDCCH information according to embodiment of the present invention.
As shown in Figure 3, this method comprises:
Step 301: the channel quality of subscriber equipment (UE) detected carrier, and the channel quality reporting of carrier wave sent to base station (e-NodeB).
Step 302: the carrier channel quality report that the base station is come according to user equipment to report, determine that carrying strides the carrier wave of carrier wave PDCCH information and stride corresponding relation between the indicated carrier wave of carrier wave PDCCH information.
Step 303: the base station sends RRC to subscriber equipment and connects and reshuffles signaling, connects to reshuffle at RRC to carry carrying in the signaling and stride the carrier wave of carrier wave PDCCH information and stride corresponding relation between the indicated carrier wave of carrier wave PDCCH information.
Step 304: subscriber equipment is reshuffled from the RRC connection and is parsed this corresponding relation the signaling, and utilizes this corresponding relation to carry out the PDCCH blind Detecting at corresponding carrier wave, and receives the described carrier wave PDCCH information of striding.
More than connect with RRC and to reshuffle the signaling a kind of concrete application of embodiment of the present invention that has been case description, those skilled in the art can recognize, utilizing RRC to connect and reshuffling signaling only is exemplary description, and is not used in the scope of application that limits embodiment of the present invention.
Embodiment of the present invention also discloses a kind of carrier transmission system of the PDCCH of carrying information.
Fig. 4 is the carrier transmission system structural representation according to the carrying PDCCH information of embodiment of the present invention.
As shown in Figure 4, this system comprises base station 401 and subscriber equipment 402, wherein:
In one embodiment, subscriber equipment 402, be used for 401 receiving and striding the indicated additional carrier of carrier wave PDCCH information from the base station by the control signaling, stride the indicated additional carrier of carrier wave PDCCH information by this and determine to stride the indicated carrier wave of carrier wave PDCCH information, and determine that carrying the corresponding relation of striding the carrier wave of carrier wave PDCCH information and striding between the indicated carrier wave of carrier wave PDCCH information is described corresponding relation.
In another embodiment, subscriber equipment 402, be used for 401 receiving and striding the indicated carrier wave of carrier wave PDCCH information from the base station, and determine that the carrier wave of carrier wave PDCCH information is striden in carrying and the corresponding relation of striding between the indicated carrier wave of carrier wave PDCCH information is described corresponding relation by the control signaling.
Preferably, subscriber equipment 402, be further used for obtaining entry-into-force time information by the control signaling, and receive the described carrier wave PDCCH information of striding according to described corresponding relation, thereby guarantee that subscriber equipment 402 and base station 401 can use new configuration simultaneously in the described determined moment of entry-into-force time information.
Embodiment of the present invention has also proposed a kind of base station and user terminal respectively.
Fig. 5 is the architecture of base station schematic diagram according to embodiment of the present invention.
As shown in Figure 5, this base station comprises corresponding relation determining unit 501 and control signaling transmitting element 502, wherein:
Corresponding relation determining unit 501 is used for the channel conditions according to carrier wave, determines to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave PDCCH information of striding carrier wave PDCCH information;
Control signaling transmitting element 502 is used for sending described corresponding relation by the control signaling to subscriber equipment.
Correspondingly, the control signaling can be RRC signaling or Mac signaling, and the RRC signaling can comprise that RRC connects and reshuffles signaling or RRC connection re-establishment signaling etc.
Fig. 6 is the user device architecture schematic diagram according to embodiment of the present invention.As shown in Figure 6, this subscriber equipment 600 comprises to be controlled signaling receiving element 601 and strides carrier wave Physical Downlink Control Channel information transmission unit 602, wherein:
Control signaling receiving element 601 is used for receiving carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave PDCCH information that carrier wave PDCCH information is striden in according to the channel conditions of carrier wave determined carrying by the control signaling;
Stride carrier wave Physical Downlink Control Channel information transmission unit 602, be used for receiving the described carrier wave PDCCH information of striding according to described corresponding relation.
In one embodiment, control signaling receiving element 601, be used for obtaining and striding the indicated additional carrier of carrier wave PDCCH information by the control signaling, stride the indicated additional carrier of carrier wave PDCCH information by this and determine to stride the indicated carrier wave of carrier wave PDCCH information, and determine that carrying the corresponding relation of striding the carrier wave of carrier wave PDCCH information and striding between the indicated carrier wave of carrier wave PDCCH information is this corresponding relation.
In another embodiment, control signaling receiving element 601, be used for obtaining and striding the indicated carrier wave of carrier wave PDCCH information, and determine that the carrier wave of carrier wave PDCCH information is striden in carrying and the corresponding relation of striding between the indicated carrier wave of carrier wave PDCCH information is this corresponding relation by the control signaling.
Preferably, this subscriber equipment may further include entry-into-force time information unit (not illustrating among the figure).The entry-into-force time information unit is used for obtaining entry-into-force time information by the control signaling, and receives the carrier wave PDCCH information of striding in the determined moment of entry-into-force time information according to corresponding relation.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. a carrier transmission method of carrying Physical Downlink Control Channel information is characterized in that, this method comprises:
According to the channel conditions of carrier wave, determine to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding carrier wave Physical Downlink Control Channel information;
Subscriber equipment obtains determined described corresponding relation by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
2. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 1 is characterized in that, described control signaling is the radio resource control RRC signaling.
3. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 2 is characterized in that, described RRC signaling comprises: signaling or RRC connection re-establishment signaling are reshuffled in the RRC connection.
4. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 1 is characterized in that, described control signaling is a media interviews control Mac signaling.
5. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 1 is characterized in that, described subscriber equipment obtains determined described corresponding relation by the control signaling and comprises:
Described subscriber equipment obtains the described indicated additional carrier of carrier wave Physical Downlink Control Channel information of striding by the control signaling;
Stride the indicated additional carrier of carrier wave Physical Downlink Control Channel information by this and determine the described indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding, and determine that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of carrier wave Physical Downlink Control Channel information are striden in carrying.
6. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 1 is characterized in that, described subscriber equipment obtains determined described corresponding relation by the control signaling and comprises:
Subscriber equipment obtains the described indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding by the control signaling, and determines that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of carrier wave Physical Downlink Control Channel information are striden in carrying.
7. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 1 is characterized in that,
Described subscriber equipment further obtains entry-into-force time information by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding in the described determined moment of entry-into-force time information according to described corresponding relation.
8. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 7 is characterized in that, described entry-into-force time information is absolute entry-into-force time information or relative entry-into-force time information.
9. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 8 is characterized in that, described absolute entry-into-force time information is System Frame Number System Frame Number.
10. the carrier transmission method of carrying Physical Downlink Control Channel information according to claim 8, it is characterized in that, described relative entry-into-force time information is natural number n, is used in reference to be shown in after the described n subframe to receive the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
11. a carrier transmission system of carrying Physical Downlink Control Channel information is characterized in that this system comprises base station and subscriber equipment, wherein:
The base station is used for the channel conditions according to carrier wave, determines to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding carrier wave Physical Downlink Control Channel information;
Subscriber equipment is used for obtaining the described corresponding relation of being determined by described base station by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
12. the carrier transmission system of carrying Physical Downlink Control Channel information according to claim 11 is characterized in that,
Described subscriber equipment, be used for obtaining the described indicated additional carrier of carrier wave Physical Downlink Control Channel information of striding from described base station by the control signaling, stride the indicated additional carrier of carrier wave Physical Downlink Control Channel information by this and determine the described indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding, and determine that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of carrier wave Physical Downlink Control Channel information are striden in carrying.
13. the carrier transmission system of carrying Physical Downlink Control Channel information according to claim 11 is characterized in that,
Described subscriber equipment, be used for obtaining the described indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding from described base station, and determine that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of carrier wave Physical Downlink Control Channel information are striden in carrying by the control signaling.
14. the carrier transmission system according to claim 11,12 or 13 described carrying Physical Downlink Control Channel information is characterized in that,
Described subscriber equipment is further used for obtaining entry-into-force time information by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding in the described determined moment of entry-into-force time information according to described corresponding relation.
15. a base station is characterized in that, comprises corresponding relation determining unit and control signaling transmitting element, wherein:
The corresponding relation determining unit is used for the channel conditions according to carrier wave, determines to carry the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding carrier wave Physical Downlink Control Channel information;
Control signaling transmitting element is used for sending described corresponding relation by the control signaling to subscriber equipment.
16. base station according to claim 15 is characterized in that, described control signaling is RRC signaling or Mac signaling.
17. a subscriber equipment is characterized in that, comprises control signaling receiving element and strides carrier wave Physical Downlink Control Channel information transmission unit, wherein:
Control signaling receiving element is used for receiving carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information that carrier wave Physical Downlink Control Channel information is striden in according to the channel conditions of carrier wave determined carrying by the control signaling;
Stride carrier wave Physical Downlink Control Channel information transmission unit, be used for receiving the described carrier wave Physical Downlink Control Channel information of striding according to described corresponding relation.
18. subscriber equipment according to claim 17 is characterized in that,
Described control signaling receiving element, be used for obtaining the described indicated additional carrier of carrier wave Physical Downlink Control Channel information of striding by the control signaling, stride the indicated additional carrier of carrier wave Physical Downlink Control Channel information by this and determine the described indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding, and determine that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of carrier wave Physical Downlink Control Channel information are striden in carrying.
19. subscriber equipment according to claim 17 is characterized in that,
Described control signaling receiving element, be used for obtaining the described indicated carrier wave of carrier wave Physical Downlink Control Channel information of striding, and determine that it is described corresponding relation that the carrier wave and the described corresponding relation of striding between the indicated carrier wave of carrier wave Physical Downlink Control Channel information of carrier wave Physical Downlink Control Channel information are striden in carrying by the control signaling.
20. subscriber equipment according to claim 17 is characterized in that, this subscriber equipment further comprises the entry-into-force time information unit,
Described entry-into-force time information unit is used for obtaining entry-into-force time information by the control signaling, and receives the described carrier wave Physical Downlink Control Channel information of striding in the described determined moment of entry-into-force time information according to described corresponding relation.
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| WO2012155514A1 (en) * | 2011-08-01 | 2012-11-22 | 中兴通讯股份有限公司 | Base station, terminal, system and method for data transmitting in time-division duplex system |
| CN103227694A (en) * | 2013-02-21 | 2013-07-31 | 北京创毅讯联科技股份有限公司 | Methods and devices for notifying and decoding DCI (downlink control information) |
| CN103874212A (en) * | 2014-03-07 | 2014-06-18 | 电信科学技术研究院 | CA (Carrier Aggregation)-based across-carrier scheduling method and CA-based across-carrier scheduling device |
| CN105099639A (en) * | 2015-05-15 | 2015-11-25 | 上海华为技术有限公司 | Method and device for transmitting control channel and communication node |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101478808B (en) * | 2009-01-21 | 2014-03-19 | 中兴通讯股份有限公司 | Downlink control information sending and detecting method |
| CN101540978B (en) * | 2009-04-27 | 2013-09-11 | 中兴通讯股份有限公司 | Downlink component carrier wave identification method, synchronous downlink component carrier wave reporting method and device |
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2009
- 2009-12-21 CN CN200910243425.4A patent/CN102104933B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012155514A1 (en) * | 2011-08-01 | 2012-11-22 | 中兴通讯股份有限公司 | Base station, terminal, system and method for data transmitting in time-division duplex system |
| US9313757B2 (en) | 2011-08-01 | 2016-04-12 | Zte Corporation | Base station, terminal, system and method for data transmitting in time-division duplex system |
| CN103227694A (en) * | 2013-02-21 | 2013-07-31 | 北京创毅讯联科技股份有限公司 | Methods and devices for notifying and decoding DCI (downlink control information) |
| CN103227694B (en) * | 2013-02-21 | 2016-08-03 | 北京创毅讯联科技股份有限公司 | Downlink Control Information notice, coding/decoding method and device |
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| CN105099639A (en) * | 2015-05-15 | 2015-11-25 | 上海华为技术有限公司 | Method and device for transmitting control channel and communication node |
| CN105099639B (en) * | 2015-05-15 | 2018-12-18 | 上海华为技术有限公司 | A kind of method, apparatus and communication node of control channel transmission |
| CN109462464A (en) * | 2015-05-15 | 2019-03-12 | 上海华为技术有限公司 | A kind of method, apparatus and communication node of control channel transmission |
| US10863534B2 (en) | 2015-05-15 | 2020-12-08 | Huawei Technologies Co., Ltd. | Control channel transmission method and apparatus, and communications node |
| CN109462464B (en) * | 2015-05-15 | 2021-10-01 | 上海华为技术有限公司 | Method and device for controlling channel transmission and communication node |
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