CN101478808B - Downlink control information sending and detecting method - Google Patents

Downlink control information sending and detecting method Download PDF

Info

Publication number
CN101478808B
CN101478808B CN200910001943.5A CN200910001943A CN101478808B CN 101478808 B CN101478808 B CN 101478808B CN 200910001943 A CN200910001943 A CN 200910001943A CN 101478808 B CN101478808 B CN 101478808B
Authority
CN
China
Prior art keywords
downlink control
control information
terminal
component carrier
equations
Prior art date
Application number
CN200910001943.5A
Other languages
Chinese (zh)
Other versions
CN101478808A (en
Inventor
李卫军
戴博
郁光辉
罗宇民
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to CN200910001943.5A priority Critical patent/CN101478808B/en
Publication of CN101478808A publication Critical patent/CN101478808A/en
Application granted granted Critical
Publication of CN101478808B publication Critical patent/CN101478808B/en

Links

Abstract

The invention provides a method for sending downlink control information. A base station carries the downlink control information in the physical downlink control channel, sends the channel by component carrier and indicates the component carrier by high-level signal. The information is the first and/or the second category downlink control information. The first category information includes public downlink control information and terminal proprietary downlink control information; the second category information carries the indicating information related to the terminal propriety downlink control information. The invention also provides the detection method of the downlink control information. The terminal is used for receiving the high-level signal, indicating the component carrier according to the high-level signal, detecting the physical channel on the carrier and obtaining the downlink control information.

Description

A kind of transmission of Downlink Control Information and detection method

Technical field

The present invention relates to field of mobile wireless communication, particularly relate to transmission and the detection method of Downlink Control Information in wireless communication system.

Background technology

Fig. 1 shows the frame structure of LTE (Long Term Evolution, Long Term Evolution) system FDD (FrequencyDivision Duplex, Frequency Division Duplexing (FDD)) pattern and TDD (Time Division Duplex, time division duplex) pattern.In the frame structure of fdd mode, the radio frame (radio frames) of a 10ms is 0.5ms by 20 length, and the slot (time slot) of numbering 0~19 forms, and time slot 2i and 2i+1 form subframe (subframe) i that length is 1ms.In the frame structure of tdd mode, the radio frame (radio frames) of a 10ms is long for the half frame (field) of 5ms forms by two, field comprise 5 long be the subframe of 1ms (subframe).Subframe i be defined as 2 long be time slot 2i and the 2i+1 of 0.5ms.In two kinds of frame structures, for Normal CP (Normal Cyclic Prefix, standard cyclic prefix), a time slot comprises the symbol that 7 length are 66.7us, wherein the CP length of first symbol is 5.21us, and the CP length of all the other 6 symbols is 4.69us; For Extended CP (extended cyclic prefix), a time slot comprises 6 symbols, and the CP length of all symbols is 16.67us.

LTE has defined following three kinds of downlink physical control channels:

PCFICH (Physical Control Format Indicator Channel, Physical Control Format Indicator Channel): the indication of control channel form, be used to indicate in a subframe for transmitting PDCCH (Physicaldownlink control channel, the information of number of OFDM Physical Downlink Control Channel) (OFDM) symbol, PCFICH sends on first OFDM symbol of subframe, and place frequency location is determined by system descending bandwidth and community ID.

PHICH (Physical hybrid ARQ indicator channel, physical mixed automatic re-transmission indicating channel): the ACK/NACK feedback information of the H-ARQ of uplink.The number of PHICH, time-frequency position can system message and cell ID (ID) in PBCH determine.

PDCCH: for bearing downlink control information (comprising uplink and downlink schedule information, uplink power control information).The form of Downlink Control Information (Downlink Control Information) is divided into following several: DCI format 0 is for the scheduling of PUSCH (Physical Uplink Shared Channel); DCI format 1,1A, 1B, 1C, 1D is for the different mode of a PDSCH (Physical Downlink Shared Channel) code word scheduling; DCI format 2,2A is for the different mode of space division multiplexing; DCI format 3,3A is for the different mode of the power control instruction of PUCCH (Physical Uplink Control Channel) and PUSCH.

The physical resource of PDCCH transmission is with CCE (Control Channel Element, control channel unit) be unit, the size of a CCE is 9 REG, i.e. 36 Resource Element (Resource Unit), and a PDCCH may take 1,2,4 or 8 CCE.

Four kinds of PDCCH sizes for taking 1,2,4,8 CCE, adopt tree-shaped Aggregation (polymerization), that is: the PDCCH of 1 CCE can be from any CCE position; The PDCCH of 2 CCE is from even number CCE position; The CCE position of the integral multiple of the PDCCH of 4 CCE since four; The CCE position of the integral multiple of the PDCCH of 8 CCE since eight.

PDCCH has 1,2,4 and 8 these polymerization ranks, each Aggregation level (polymerization rank) defines a search space (search volume), comprises the search volume of common (public) and UE specific (UE is proprietary).The OFDM symbolic number that the CCE number of the whole search volume controlled area that PCFICH indicates in each descending sub frame is shared and the group number of PHICH determine.UE carries out blind Detecting by the DCI format of transmission mode of living in to all possible PDCCH code check in search volume.

UE (User Equipment, subscriber equipment) by the semi-static a kind of transmission mode (transmission mode) being set to based on following of high-level signaling (semi-statically), according to the indication of the PDCCH of the search volume of UE specific (UE is proprietary), receive PDSCH transfer of data:

1.Single-antenna port; Port 0 (single antenna port; Port 0)

2.Transmit diversity (transmit diversity)

3.Open-loop spatial multiplexing (Open-Loop Spatial Multiplexing)

4.Closed-loop spatial multiplexing (Closed-Loop Spatial Multiplexing)

5.Multi-user MIMO (multiuser MIMO)

6.Closed-loop Rank=1precoding (closed loop Rank=1 precoding)

7.Single-antenna port; Port 5 (single antenna port; Port 5)

If UE is set to (the Cell Radio Network TemporaryIdentifier with C-RNTI by high level, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI number) CRC of scrambling (cyclic redundancy check (CRC)) carries out PDCCH decoding, and UE should be according to the respective sets incompatible decoding PDCCH and all relevant PDSCH that define in table 1-1.

If UE is set to (the semi-persistently Scheduled RadioNetwork Temporary Identifier with SPS-RNTI by high level, semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI number) CRC of scrambling (cyclic redundancy check (CRC)) carries out PDCCH decoding, and UE should be according to the respective sets incompatible decoding PDCCH and all relevant PDSCH that define in table 1-2.

PDCCH and PDSCH that table 1-1:C-RNTI arranges

PDCCH and PDSCH that table 1-2:SPS C-RNTI arranges

UE should be at each non-DRX (non-Discontinuous Reception, non-discontinuous reception) PDCCH that subframe detects one group of candidate is to obtain control information, and detection refers to according to all DCI format to be detected decodes to the PDCCH in group.It is respectively that 4 and 8 common search volume and aggregation level are respectively 1,2,4,8 UE specific search volumes that UE should detect an aggregationlevel.Common and UE specific search volume may be overlapping.The search space of aggregation level definition is as shown in table 1-3.The DCI format that UE should detect depends on the transmission mode arranging above.

LTE Release-8 has defined 6 kinds of bandwidth: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz.

LTE-Advanced (Further Advancements for E-UTRA) is the evolution version of LTE Release-8.Except meeting or surpassing 3GPP TR 25.913: all related needs of " Requirements for Evolved UTRA (E-UTRA) and Evolved UTRAN (E-UTRAN) ", also

Table 1-3:UE candidate PDCCH. to be checked

Meet or exceed the demand of the IMT-Advanced of ITU-R proposition.Wherein, refer to the demand of LTE Release-8 backward compatibility: the terminal of LTE Release-8 can be worked in the network of LTE-Advanced; The terminal of LTE-Advanced can be worked in the network of LTE Release-8.In addition, LTE-Advanced should be able to, at the spectrum disposition of different sizes, comprise work under the spectrum disposition wider than LTE Release-8 (as the continuous frequency spectrum resource of 100MHz), to reach higher performance and target peak speed.Consider and the compatibility of LTE Release-8, for the bandwidth that is greater than 20MHz, adopt the mode of Carrier aggregation (carrier aggregation), as shown in Figure 2, that is:

Two or more component carriers (component carriers) assemble to support to be greater than the downstream transmission bandwidth of 20MHz.

Terminal can receive one or more component carriers (component carriers) by its ability simultaneously.

There is the LTE-A terminal that surpasses 20MHz receiving ability can receive the transmission on a plurality of component carriers simultaneously.LTE Rel-8 terminal can only be received the transmission on one-component carrier wave, if the structure of this component carrier is followed Rel-8 standard.

At present, in LTE-Advanced standard, the transmission for Downlink Control Information is the not corresponding description of form of PDCCH.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of transmission and detection method of Downlink Control Information, solve transmission and the test problems of Carrier aggregation Downlink Control Information, the compatibility that is conducive to LTE-Advanced and LTE Release-8, is conducive to the realization of LTE-Advanced system.

In order to address the above problem, the invention provides a kind of sending method of Downlink Control Information, Downlink Control Information is carried in base station in Physical Downlink Control Channel, by component carrier, send described Physical Downlink Control Channel, by the component carrier at high-level signaling indicating terminal Physical Downlink Control Channel place.

Further, said method also can have following characteristics, and described high-level signaling is transmitted in described base station on one or more component carriers.

Further, said method also can have following characteristics, comprises one or more information in the transmission mode on the frequency location of component carrier, the system bandwidth of component carrier and component carrier in described high-level signaling.

Further, said method also can have following characteristics, and described high-level signaling comprises the start/stop that indication component carrier Physical Downlink Control Channel detects, the time span that component carrier detects, one or more information such as time cycle that component carrier detects.

Further, said method also can have following characteristics, goes back inclusion test mode in described high-level signaling, indicates described terminal to detect the mode of Physical Downlink Control Channel.

Further, said method also can have following characteristics,

Described detection mode is triggering mode, indicates described terminal to start according to high-level signaling and stops at the Physical Downlink Control Channel detection on component carrier;

Or described detection mode is timing mode, the Physical Downlink Control Channel of indicating described terminal to start on component carrier according to high-level signaling detects, and continues to stop after the fixed time;

Or described detection mode is periodic mode, indicates the beginning of described terminal periodic and stop at the Physical Downlink Control Channel detection on component carrier.

The present invention proposes a kind of detection method of Downlink Control Information, terminal receives high-level signaling, component carrier according to the Physical Downlink Control Channel place of described high-level signaling indication detects Physical Downlink Control Channel on described component carrier, obtains Downlink Control Information.

Further, said method also can have following characteristics, described Downlink Control Information is first kind Downlink Control Information and/or Equations of The Second Kind Downlink Control Information, described first kind Downlink Control Information comprises publicly-owned Downlink Control Information and the proprietary Downlink Control Information of terminal, carries the relevant indication information of the proprietary Downlink Control Information of first kind terminal in described Equations of The Second Kind Downlink Control Information.

Further, said method also can have following characteristics, in the relevant indication information of the proprietary Downlink Control Information of first kind terminal carrying in described Equations of The Second Kind Downlink Control Information, comprise following one or more information: whether several component carriers have the proprietary Downlink Control Information transmission of terminal, the proprietary descending control information format of terminal on component carrier, the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal is in the control channel unit of the proprietary search volume of terminal original position, the control channel unit polymerization rank of the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal.

Further, said method also can have following characteristics, when described terminal detects the Physical Downlink Control Channel of a plurality of component carriers in a subframe, detects first kind Downlink Control Information and Equations of The Second Kind Downlink Control Information; When described terminal only detects the Physical Downlink Control Channel of one-component carrier wave in a subframe, only detect first kind Downlink Control Information.

Further, said method also can have following characteristics, described terminal on the component carrier at Equations of The Second Kind Downlink Control Information place, first blind Detecting Equations of The Second Kind Downlink Control Information, then blind Detecting first kind Downlink Control Information.

Further, said method also can have following characteristics, described terminal on the component carrier at non-Equations of The Second Kind Downlink Control Information place, the publicly-owned Downlink Control Information of the first blind Detecting first kind, the more proprietary Downlink Control Information of blind Detecting first kind terminal.

Further, said method also can have following characteristics, described terminal detects PDCCH and obtains Equations of The Second Kind Downlink Control Information, and the existing result of first kind Downlink Control Information that wherein the relevant indication information of the proprietary Downlink Control Information of first kind terminal of carrying obtains with detection PDCCH conforms to, and described terminal obtains the proprietary Downlink Control Information of first kind terminal according to the relevant indication information decoding of the proprietary Downlink Control Information of first kind terminal carrying in Equations of The Second Kind Downlink Control Information PDCCH.

Further, said method also can have following characteristics, described terminal does not detect Equations of The Second Kind Downlink Control Information, or the existing result of first kind Downlink Control Information that the relevant indication information of the proprietary Downlink Control Information of first kind terminal that Equations of The Second Kind Downlink Control Information detected but wherein carry obtains with detection PDCCH does not conform to, described terminal, on the component carrier at non-Equations of The Second Kind Downlink Control Information place, continues blind Detecting first kind Downlink Control Information until search for complete.

Further, said method also can have following characteristics, described terminal is on the component carrier at non-Equations of The Second Kind Downlink Control Information place, the publicly-owned Downlink Control Information of the first blind Detecting first kind, according to Equations of The Second Kind Downlink Control Information blind Detecting result, determine whether the proprietary Downlink Control Information of blind Detecting first kind terminal again.

Further, said method also can have following characteristics, when terminal detects Equations of The Second Kind Downlink Control Information, on the component carrier at non-Equations of The Second Kind Downlink Control Information place, according to the proprietary Downlink Control Information of the relevant indication information decoding PDCCH blind Detecting first kind terminal of the proprietary Downlink Control Information of first kind terminal carrying in Equations of The Second Kind Downlink Control Information.

Further, said method also can have following characteristics, when terminal does not detect Equations of The Second Kind Downlink Control Information, and on the component carrier at non-Equations of The Second Kind Downlink Control Information place, the proprietary Downlink Control Information of blind Detecting first kind terminal not.

The invention provides a kind of sending method of Downlink Control Information, Downlink Control Information is carried in base station in Physical Downlink Control Channel, by component carrier, send described Physical Downlink Control Channel, described Downlink Control Information is first kind Downlink Control Information and/or Equations of The Second Kind Downlink Control Information, described first kind Downlink Control Information comprises publicly-owned Downlink Control Information and the proprietary Downlink Control Information of terminal, carries the relevant indication information of the proprietary Downlink Control Information of first kind terminal in described Equations of The Second Kind Downlink Control Information.

Further, said method also can have following characteristics, in the relevant indication information of the proprietary Downlink Control Information of first kind terminal carrying in described Equations of The Second Kind Downlink Control Information, comprise following one or more information: whether several component carriers have the proprietary Downlink Control Information transmission of terminal, the proprietary descending control information format of terminal on component carrier, the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal is in the control channel unit of the proprietary search volume of terminal original position, the control channel unit polymerization rank of the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal.

Further, said method also can have following characteristics, also carries the proprietary Downlink Control Information of terminal in its place component carrier in described Equations of The Second Kind Downlink Control Information.

Further, said method also can have following characteristics, and the component carrier position at the form of described Equations of The Second Kind Downlink Control Information and place thereof is indicated by high-level signaling.

The invention provides a kind of transmission and detection method of Downlink Control Information, solve transmission and the test problems of Carrieraggregation Downlink Control Information, the compatibility that is conducive to LTE-Advanced and LTERelease-8, is conducive to the realization of LTE-Advanced system.

Accompanying drawing explanation

Fig. 1 is the frame structure schematic diagram of LTE system FDD/TDD pattern;

Fig. 2 is the transmission flow schematic diagram of Downlink Control Information of the present invention;

Fig. 3 is the first kind/Equations of The Second Kind DCI schematic diagram of the present invention.

Embodiment

Below with reference to embodiment, describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.

DCI of the present invention comprises two class DCI:

The corresponding Downlink Control Information of first kind DCI carrying component carrier, wherein, first kind DCI comprises publicly-owned DCI and the proprietary DCI of terminal, comprises the publicly-owned DCI of the first kind and the proprietary DCI of first kind terminal.

The relevant indication information of the Equations of The Second Kind DCI carrying proprietary DCI of first kind terminal.Equations of The Second Kind DCI also can carry the proprietary Downlink Control Information of terminal in its place component carrier.It is the relevant indication information of the proprietary DCI of first kind terminal that Equations of The Second Kind DCI carries the proprietary DCI of one or more first kind terminals and all the other all (or parts), or Equations of The Second Kind DCI only carries the relevant indication information of the proprietary DCI of first kind terminal of all the other all (or parts).

Wherein, the relevant indication information of the proprietary DCI of first kind terminal of Equations of The Second Kind DCI carrying specifically comprises: whether several component carriers have the proprietary DCI transmission of terminal, the proprietary DCI form of terminal, the PDCCH of the proprietary DCI of carrying terminal is in the CCE original position of UE specific search volume, one or more information such as CCE aggregation level of carrying the PDCCH of the proprietary DCI of terminal.

Wherein, when Equations of The Second Kind DCI only carries the relevant indication information of the proprietary DCI of first kind terminal of all the other all (or parts), this indication information can be the relevant indication information of uplink scheduling, or the relevant indication information of descending scheduling, or the relevant indication information of up-downgoing scheduling.The corresponding a kind of DCI form (DCI format) of each relevant indication information.

Wherein, when Equations of The Second Kind DCI also carries the proprietary Downlink Control Information of terminal in its place component carrier, if this Downlink Control Information is uplink scheduling information, the relevant indication information of the proprietary DCI of first kind terminal carrying is also the relevant indication information of uplink scheduling, the corresponding a kind of DCI form (DCI format) of combination of each uplink scheduling information and the relevant indication information of uplink scheduling; If this Downlink Control Information is down dispatch information, the relevant indication information of the proprietary DCI of first kind terminal carrying is also the relevant indication information of descending scheduling, the corresponding a kind of DCI form (DCI format) of combination of each down dispatch information and the relevant indication information of descending scheduling.

The component carrier position at the form of Equations of The Second Kind DCI and place is indicated by high-level signaling.

The present invention proposes a kind of sending method of Downlink Control Information, Downlink Control Information is carried in base station in Physical Downlink Control Channel, by component carrier, sends to terminal.This Downlink Control Information is first kind Downlink Control Information and/or Equations of The Second Kind Downlink Control Information.

The sending method that the invention allows for a kind of Downlink Control Information, comprises: Downlink Control Information is carried in base station in PDCCH, by component carrier, sends to terminal, by component carrier and the detection mode at PDCCH place described in high-level signaling indicating terminal.

Described Downlink Control Information is first kind DCI and/or Equations of The Second Kind DCI.

The detection that has a LTE-A terminal PDCCH on each component carrier that simultaneously receives a plurality of component carrier abilities whether (or whether receiving) and the mode that detects (reception) can independently be arranged by high-level signaling.

This high-level signaling can transmit on one or more component carriers of appointment.

In high-level signaling, can comprise the frequency location of each component carrier, one or more information such as transmission mode of the system bandwidth of each component carrier, each component carrier.

In high-level signaling, can comprise that each component carrier PDCCH of indication detects the start/stop of (reception), (reception) time span that each component carrier detects, one or more information such as time cycle of (reception) that each component carrier detects.

Can be set to triggering mode, timing mode or periodic mode by high-level signaling detection mode, wherein:

Triggering mode refers to the beginning of LTE-A terminal detection of PDCCH on each component carrier and stops being notified by high-level signaling;

Timing mode refers to that the beginning of LTE-A terminal detection of PDCCH on each component carrier notified by high-level signaling, and stops after certain time.This duration can be notified by high-level signaling;

Periodic mode refers to that the detection of LTE-A terminal PDCCH on each component carrier starts periodically and stops by the setting of high-level signaling.

The detection method that the invention allows for a kind of Downlink Control Information, comprises: terminal receives high-level signaling, and component carrier and detection mode by the PDCCH place of indicating in high-level signaling, detect PDCCH, obtains the Downlink Control Information carrying in PDCCH.

Described Downlink Control Information is first kind Downlink Control Information and/or Equations of The Second Kind Downlink Control Information.

When LTE-A terminal only detects the PDCCH of one-component carrier wave in a subframe, only detect first kind DCI; When LTE-A terminal detects the PDCCH of a plurality of component carriers in a subframe, detect first kind DCI and Equations of The Second Kind DCI.

Carry PDCCH of Equations of The Second Kind DCI in the proprietary search volume of terminal, or in publicly-owned and proprietary search volume.

The terminal PDCCH blind Detecting DCI mode of decoding on first kind DCI and Equations of The Second Kind DCI respective components carrier wave is:

On the component carrier at Equations of The Second Kind DCI place, first blind Detecting Equations of The Second Kind DCI, then blind Detecting first kind DCI;

On the component carrier at non-Equations of The Second Kind DCI place, the publicly-owned DCI of the first blind Detecting first kind, the more proprietary DCI of blind Detecting first kind terminal.

When decoding, PDCCH detects Equations of The Second Kind DCI, and when indication information wherein conforms to the existing result of decoding PDCCH blind Detecting first kind DCI, on the component carrier at non-Equations of The Second Kind DCI place, by the indication information carrying in Equations of The Second Kind DCI, the proprietary DCI of decoding PDCCH blind Detecting first kind terminal.

When decoding, PDCCH does not detect Equations of The Second Kind DCI, or decoding PDCCH detects Equations of The Second Kind DCI but the existing result of the first kind DCI that indication information wherein measures with the PDCCH blind check of decoding while not conforming to, the PDCCH blind Detecting of first kind DCI is proceeded until search for complete.

Or

The terminal PDCCH blind Detecting DCI mode of decoding on two class DCI respective components carrier waves is:

On the component carrier at Equations of The Second Kind DCI place, first blind Detecting Equations of The Second Kind DCI, then blind Detecting first kind DCI;

On the component carrier at non-Equations of The Second Kind DCI place, the publicly-owned DCI of the first blind Detecting first kind, then according to Equations of The Second Kind DCI blind Detecting result, determine whether the proprietary DCI of blind Detecting first kind terminal.

When decoding PDCCH detects Equations of The Second Kind DCI, on the component carrier at non-Equations of The Second Kind DCI place, by the indication information carrying in Equations of The Second Kind DCI, the proprietary DCI of decoding PDCCH blind Detecting first kind terminal.

When decoding PDCCH is not while Equations of The Second Kind DCI being detected, on the component carrier at non-Equations of The Second Kind DCI place, the proprietary DCI of blind Detecting first kind terminal not.

Below by specific embodiment, further illustrate the present invention.

The number of up-downgoing component carrier (component carrier) of system of setting up departments is all 3.Dotted line in Fig. 2 refers to the pair relationhip of up-downgoing component carrier.

Embodiment 1

The transmission flow of Downlink Control Information

As shown in Fig. 2 (a).LTE-Advanced terminal initial has only distributed downlink component carrier DLCarrier#1.At subframe N, receive the high-level signaling of PDSCH carrying.This high-level signaling indicates this terminal at downlink component carrier DL Carrier#1, and DL Carrier#2 on DL Carrier#3, detect PDCCH, and Equations of The Second Kind DCI is on DL Carrier#1.In this high-level signaling, can also comprise the frequency location of each component carrier, the system bandwidth of each component carrier, the transmission mode of each component carrier, each component carrier PDCCH detects the start/stop of (reception), (reception) time span that each component carrier detects, one or more information such as time cycle of (reception) that each component carrier detects.

Terminal starts to carry out the PDCCH blind check of first kind DCI and Equations of The Second Kind DCI at subframe N+n, wherein n is determined by high-level signaling.High-level signaling can be indicated different working methods, as:

1, triggering mode

As shown in Fig. 2 (b), the subframe M of terminal after subframe N+n receives the high-level signaling of PDSCH carrying.This high-level signaling indicating terminal stops downlink component carrier DL Carrier#1, and the PDCCH of DL Carrier#3 detects.Terminal starts no longer to carry out the PDCCH blind check of Equations of The Second Kind DCI at subframe M+k, only at downlink component carrier DL Carrier#2, carry out first kind DCI PDCCH blind Detecting, and wherein k is determined by high-level signaling.

2, timing mode

As shown in Fig. 2 (c), terminal stops the PDCCH blind check of Equations of The Second Kind DCI at subframe N+n+T, only on the downlink component carrier DL of high-level signaling appointment Carrier#2, carries out first kind DCI PDCCH blind Detecting.Wherein T is the number of sub frames of high-level signaling appointment.

3, periodic mode

As shown in Fig. 2 (d), terminal stops the PDCCH blind Detecting of Equations of The Second Kind DCI at subframe N+n+T, only on the downlink component carrier DL of high-level signaling appointment Carrier#2, carries out first kind DCIPDCCH blind Detecting.At subframe N+n+T+D, again start to carry out the PDCCH blind Detecting of first kind DCI and Equations of The Second Kind DCI.T wherein, D is determined by high-level signaling.This detection mode is carried out periodically, until there is high-level signaling indication to stop.

Embodiment 2

First kind DCI and Equations of The Second Kind DCI

The relevant indication information of the proprietary DCI of first kind terminal comprising in Equations of The Second Kind DCI can comprise following one or more information:

in indication component carrier, the proprietary DCI of UE has or not

One-component carrier wave represents with 1bit.As there is no the proprietary DCI of UE in this component carrier of 0 expression; 1 represents that this component carrier has the proprietary DCI of UE.

indication DCI form

One-component carrier wave represents with 2bit.As there is no the proprietary DCI of UE in this component carrier of 00 expression; 01 represents there is a kind of DCI form in this component carrier; 10 represent there is another kind of DCI form in this component carrier; 11 represent there are two kinds of DCI forms in this component carrier.

indication DCI format and CCE aggregation level

On one-component carrier wave, the proprietary a kind of DCI form of terminal represents with 3bit.Wherein 1bit represents in this component carrier, there is no/have this DCI form with 0/1; 2bit represents the CCEaggregation level of this DCI form, as 00,01,10,11 respectively corresponding CCE aggregation level be 1,2,4,8.

indication CCE original position

On one-component carrier wave, the proprietary a kind of DCI form of terminal represents with 3bit.Wherein 000 represents there is no/have this DCI form in this component carrier; The CCE deviation post of 001~110 difference corresponding 1~6.

The concrete method for expressing of above-mentioned each indication information is only example, and the present invention is not construed as limiting this.

The indication information of a plurality of component carriers can be combined by the indication information of each component carrier.

As shown in Figure 3, the PDCCH of carrying Equations of The Second Kind DCI is on downlink component carrier DL Carrier#1, wherein the information of this PDCCH carrying comprises the Downlink Control Information (being the proprietary Downlink Control Information of terminal) of the DL Carrier#1 at place, and downlink component carrier DL Carrier#2, the relevant indication information of the proprietary DCI of first kind UE of DL Carrier#3.The relevant indication information of the proprietary DCI of UE in XX respective components carrier wave DL Carrier#2 wherein, the indication information of the proprietary DCI of UE in YY respective components carrier wave DL Carrier#3.

Embodiment 3

The detection mode of first kind DCI and Equations of The Second Kind DCI

As shown in Figure 3, the PDCCH blind Detecting DCI mode of decoding on two class DCI respective components carrier waves is:

1) on component carrier DL Carrier#1, first blind Detecting Equations of The Second Kind DCI, then blind Detecting first kind DCI;

2) on component carrier DL Carrier#2 and component carrier DL Carrier#3, the publicly-owned DCI of the first blind Detecting first kind, the more proprietary DCI of blind Detecting first kind terminal;

Carry the PDCCH of Equations of The Second Kind DCI in the proprietary search volume of terminal, or in search volume publicly-owned and that terminal is proprietary.

When Equations of The Second Kind DCI being detected at component carrier DL Carrier#1 decoding PDCCH, and when the existing result of indication information wherein and component carrier DL Carrier#2 and decoding PDCCH blind Detecting first kind DCI on component carrier DL Carrier#3 conforms to, as the DCI format on Equations of The Second Kind DCI indication component carrier DL Carrier#2 and component carrier DL Carrier#3, CCE aggregation level, during detected coming to the same thing on the information such as CCE original position and respective components carrier wave, on component carrier DLCarrier#2 and component carrier DL Carrier#3, by the indication information carrying in the Equations of The Second Kind DCI proprietary DCI of PDCCH blind Detecting first kind terminal that decodes.

When Equations of The Second Kind DCI not detected at component carrier DL Carrier#1 decoding PDCCH, or decoding PDCCH detects Equations of The Second Kind DCI but the existing result of the first kind DCI that indication information wherein and component carrier DL Carrier#2 detect with the PDCCH that decodes on component carrier DL Carrier#3 while not conforming to, be DCI format, CCE aggregation level, when the indication informations such as CCE original position are not identical with detected result on respective components carrier wave, the PDCCH blind check of first kind DCI is proceeded until search for complete.

Or

The PDCCH blind Detecting DCI mode of decoding on two class DCI respective components carrier waves is:

1) on component carrier DL Carrier#1, first blind Detecting Equations of The Second Kind DCI, then blind Detecting first kind DCI;

2) on component carrier DL Carrier#2 and component carrier DL Carrier#3, the publicly-owned DCI of the first blind Detecting first kind, then according to Equations of The Second Kind DCI blind Detecting result on component carrier DL Carrier#1, determine whether the proprietary DCI of blind Detecting first kind terminal;

Carry PDCCH of Equations of The Second Kind DCI in the proprietary search volume of terminal, or in search volume publicly-owned and that terminal is proprietary.

When component carrier DL Carrier#1 decoding PDCCH detects Equations of The Second Kind DCI, on component carrier DL Carrier#2 and component carrier DL Carrier#3, by the indication information carrying in Equations of The Second Kind DCI, the proprietary DCI of decoding PDCCH blind Detecting first kind terminal.

When component carrier DL Carrier#1 decoding PDCCH does not detect Equations of The Second Kind DCI,, on component carrier DL Carrier#2 and component carrier DL Carrier#3, do not continue the proprietary DCI of blind Detecting first kind terminal.

Claims (20)

1. the sending method of a Downlink Control Information, it is characterized in that, Downlink Control Information is carried in base station in Physical Downlink Control Channel, by component carrier, sends described Physical Downlink Control Channel, by the component carrier at high-level signaling indicating terminal Physical Downlink Control Channel place;
Wherein, one or more information in the frequency location that comprises component carrier in described high-level signaling, the system bandwidth of component carrier and the transmission mode on component carrier.
2. the method for claim 1, is characterized in that, described high-level signaling is transmitted in described base station on one or more component carriers.
3. the method for claim 1, it is characterized in that, described high-level signaling comprises the start/stop that indication component carrier Physical Downlink Control Channel detects, the time span that component carrier detects, one or more information such as time cycle that component carrier detects.
4. the method for claim 1, is characterized in that, goes back inclusion test mode in described high-level signaling, indicates described terminal to detect the mode of Physical Downlink Control Channel.
5. method as claimed in claim 4, is characterized in that,
Described detection mode is triggering mode, indicates described terminal to start according to high-level signaling and stops at the Physical Downlink Control Channel detection on component carrier;
Or described detection mode is timing mode, the Physical Downlink Control Channel of indicating described terminal to start on component carrier according to high-level signaling detects, and continues to stop after the fixed time;
Or described detection mode is periodic mode, indicates the beginning of described terminal periodic and stop at the Physical Downlink Control Channel detection on component carrier.
6. the detection method of a Downlink Control Information, it is characterized in that, terminal receives high-level signaling, according to the component carrier at the Physical Downlink Control Channel place of described high-level signaling indication, on described component carrier, detect Physical Downlink Control Channel, obtain Downlink Control Information;
Wherein, one or more information in the frequency location that comprises component carrier in described high-level signaling, the system bandwidth of component carrier and the transmission mode on component carrier.
7. method as claimed in claim 6, it is characterized in that, described Downlink Control Information is first kind Downlink Control Information and/or Equations of The Second Kind Downlink Control Information, described first kind Downlink Control Information comprises publicly-owned Downlink Control Information and the proprietary Downlink Control Information of terminal, carries the relevant indication information of the proprietary Downlink Control Information of first kind terminal in described Equations of The Second Kind Downlink Control Information.
8. method as claimed in claim 7, it is characterized in that, in the relevant indication information of the proprietary Downlink Control Information of first kind terminal carrying in described Equations of The Second Kind Downlink Control Information, comprise following one or more information: whether several component carriers have the proprietary Downlink Control Information transmission of terminal, the proprietary descending control information format of terminal on component carrier, the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal is in the control channel unit of the proprietary search volume of terminal original position, the control channel unit polymerization rank of the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal.
9. method as claimed in claim 7, is characterized in that, when described terminal detects the Physical Downlink Control Channel of a plurality of component carriers in a subframe, detects first kind Downlink Control Information and Equations of The Second Kind Downlink Control Information; When described terminal only detects the Physical Downlink Control Channel of one-component carrier wave in a subframe, only detect first kind Downlink Control Information.
10. method as claimed in claim 7, is characterized in that, described terminal on the component carrier at Equations of The Second Kind Downlink Control Information place, first blind Detecting Equations of The Second Kind Downlink Control Information, then blind Detecting first kind Downlink Control Information.
11. methods as claimed in claim 10, is characterized in that, described terminal on the component carrier at non-Equations of The Second Kind Downlink Control Information place, the publicly-owned Downlink Control Information of the first blind Detecting first kind, the more proprietary Downlink Control Information of blind Detecting first kind terminal.
12. methods as claimed in claim 11, it is characterized in that, described terminal detects PDCCH and obtains Equations of The Second Kind Downlink Control Information, and the existing result of first kind Downlink Control Information that wherein the relevant indication information of the proprietary Downlink Control Information of first kind terminal of carrying obtains with detection PDCCH conforms to, and described terminal obtains the proprietary Downlink Control Information of first kind terminal according to the relevant indication information decoding of the proprietary Downlink Control Information of first kind terminal carrying in Equations of The Second Kind Downlink Control Information PDCCH.
13. methods as claimed in claim 11, it is characterized in that, described terminal does not detect Equations of The Second Kind Downlink Control Information, or the existing result of first kind Downlink Control Information that the relevant indication information of the proprietary Downlink Control Information of first kind terminal that Equations of The Second Kind Downlink Control Information detected but wherein carry obtains with detection PDCCH does not conform to, described terminal, on the component carrier at non-Equations of The Second Kind Downlink Control Information place, continues blind Detecting first kind Downlink Control Information until search for complete.
14. methods as claimed in claim 10, it is characterized in that, described terminal is on the component carrier at non-Equations of The Second Kind Downlink Control Information place, the publicly-owned Downlink Control Information of the first blind Detecting first kind, according to Equations of The Second Kind Downlink Control Information blind Detecting result, determine whether the proprietary Downlink Control Information of blind Detecting first kind terminal again.
15. methods as claimed in claim 14, it is characterized in that, when terminal detects Equations of The Second Kind Downlink Control Information, on the component carrier at non-Equations of The Second Kind Downlink Control Information place, according to the proprietary Downlink Control Information of the relevant indication information decoding PDCCH blind Detecting first kind terminal of the proprietary Downlink Control Information of first kind terminal carrying in Equations of The Second Kind Downlink Control Information.
16. methods as claimed in claim 14, is characterized in that, when terminal does not detect Equations of The Second Kind Downlink Control Information, and on the component carrier at non-Equations of The Second Kind Downlink Control Information place, the proprietary Downlink Control Information of blind Detecting first kind terminal not.
The sending method of 17. 1 kinds of Downlink Control Information, it is characterized in that, Downlink Control Information is carried in base station in Physical Downlink Control Channel, by component carrier, send described Physical Downlink Control Channel, described Downlink Control Information is first kind Downlink Control Information and/or Equations of The Second Kind Downlink Control Information, described first kind Downlink Control Information comprises publicly-owned Downlink Control Information and the proprietary Downlink Control Information of terminal, carries the relevant indication information of the proprietary Downlink Control Information of first kind terminal in described Equations of The Second Kind Downlink Control Information.
18. methods as claimed in claim 17, it is characterized in that, in the relevant indication information of the proprietary Downlink Control Information of first kind terminal carrying in described Equations of The Second Kind Downlink Control Information, comprise following one or more information: whether several component carriers have the proprietary Downlink Control Information transmission of terminal, the proprietary descending control information format of terminal on component carrier, the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal is in the control channel unit of the proprietary search volume of terminal original position, the control channel unit polymerization rank of the Physical Downlink Control Channel of the proprietary Downlink Control Information of carrying terminal.
19. methods as described in claim 17 or 18, is characterized in that, also carry the proprietary Downlink Control Information of terminal in its place component carrier in described Equations of The Second Kind Downlink Control Information.
20. methods as described in claim 17 or 18, is characterized in that, the component carrier position at the form of described Equations of The Second Kind Downlink Control Information and place thereof is indicated by high-level signaling.
CN200910001943.5A 2009-01-21 2009-01-21 Downlink control information sending and detecting method CN101478808B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910001943.5A CN101478808B (en) 2009-01-21 2009-01-21 Downlink control information sending and detecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910001943.5A CN101478808B (en) 2009-01-21 2009-01-21 Downlink control information sending and detecting method

Publications (2)

Publication Number Publication Date
CN101478808A CN101478808A (en) 2009-07-08
CN101478808B true CN101478808B (en) 2014-03-19

Family

ID=40839427

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910001943.5A CN101478808B (en) 2009-01-21 2009-01-21 Downlink control information sending and detecting method

Country Status (1)

Country Link
CN (1) CN101478808B (en)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8873505B2 (en) * 2009-03-12 2014-10-28 Interdigital Patent Holdings, Inc. Method and apparatus for performing component carrier-specific reconfiguration
DK3327979T3 (en) 2009-06-15 2020-01-27 Guangdong Oppo Mobile Telecommunications Corp Ltd System and procedure for sharing a control channel for sustainable government
US9647741B2 (en) * 2009-07-31 2017-05-09 Qualcomm Incorporated Physical uplink control channel (PUCCH) resource mapping with transmit diversity
CN101998504B (en) 2009-08-10 2013-04-10 电信科学技术研究院 Method and device for transmitting downstream message in multiple carrier wave polymerizing system
US9503931B2 (en) * 2009-08-12 2016-11-22 Qualcomm Incorporated Enhancements to the MU-MIMO VHT preamble to enable mode detection
CN101998636B (en) * 2009-08-14 2013-07-31 电信科学技术研究院 Using method, system and equipment of terminal identification
KR101641388B1 (en) 2009-08-19 2016-07-21 엘지전자 주식회사 Method for using reference signal of relay station and relay station using the method
CN101998645A (en) * 2009-08-19 2011-03-30 中兴通讯股份有限公司 Carrier selection method and device
CN101651996B (en) * 2009-09-17 2015-05-13 中兴通讯股份有限公司 Method and system for transmitting index of component carrier and control format indicating value
CN101651995A (en) 2009-09-21 2010-02-17 中兴通讯股份有限公司 Transmission method and system of downlink control information
WO2011035495A1 (en) * 2009-09-28 2011-03-31 华为技术有限公司 Blind detection method and device for a physical downlink control channel
KR102017735B1 (en) 2009-09-28 2019-09-03 삼성전자주식회사 Extending physical downlink control channels
CN102045862B (en) * 2009-10-22 2014-10-01 中国移动通信集团公司 Carrier aggregation realizing method, device and system
KR101785997B1 (en) 2009-10-30 2017-10-17 주식회사 골드피크이노베이션즈 Transmitting method for information of component carrir grouping and base station thereof, receiving method of terminal in wireless communication system
US9031008B2 (en) * 2009-10-30 2015-05-12 Samsung Electronics Co., Ltd. Methods and apparatus for multi-user MIMO transmissions in wireless communication systems
CN102056198B (en) 2009-10-31 2015-06-03 华为技术有限公司 Downlink channel transmission and detection method, device and system
CN101702638B (en) * 2009-11-02 2015-06-03 中兴通讯股份有限公司 Indication method and device of transmission mode
CN101714892B (en) * 2009-11-02 2014-12-31 中兴通讯股份有限公司 Method and system for transmitting downlink control information
CN101702823B (en) * 2009-11-04 2015-05-13 中兴通讯股份有限公司 Method for sending emissive power control command
US9559829B2 (en) * 2009-11-04 2017-01-31 Telefonaktiebolaget Lm Ericsson (Publ) Signaling for flexible carrier aggregation
CN102055552B (en) * 2009-11-05 2014-07-30 华为技术有限公司 Method for transmitting control information, method and device for receiving control information
CN102055570B (en) * 2009-11-10 2014-12-17 华为技术有限公司 Semi-static scheduling data transmission method and device
CN102065543B (en) * 2009-11-16 2014-01-01 中兴通讯股份有限公司 Control channel unit allocation method and device
CN101707511B (en) * 2009-11-18 2015-08-12 中兴通讯股份有限公司 The indicating means of transmission means and device
JP5395641B2 (en) * 2009-11-30 2014-01-22 シャープ株式会社 Communication system, mobile station device, base station device, and processing method
CN102104933B (en) * 2009-12-21 2014-07-02 中国移动通信集团公司 Carrier transmission method, equipment and system for bearing physical downlink control channel information
CN102111851B (en) * 2009-12-23 2014-06-18 中兴通讯股份有限公司南京分公司 Method for realizing downlink control signaling transmission and system thereof
CN102123524A (en) * 2010-01-07 2011-07-13 夏普株式会社 Method for sending and detecting downlink control information, base station and user equipment
CN101778449B (en) * 2010-01-08 2016-03-30 中兴通讯股份有限公司 A kind of downlink control information transmission method and base station
WO2011082531A1 (en) * 2010-01-08 2011-07-14 Nokia Siemens Networks Oy Backwards compatible downlink control information format payload supporting cross-scheduling
CN101765134A (en) * 2010-01-12 2010-06-30 中兴通讯股份有限公司 Sending method and system of SRS configuring parameter for carrier aggregation
CN101789823B (en) * 2010-02-11 2017-04-12 中兴通讯股份有限公司 Method and system for transmitting control format indicating value
EP2547017B1 (en) * 2010-03-11 2018-08-29 LG Electronics Inc. Control channel allocation method, and apparatus for same
CN102195742A (en) * 2010-03-16 2011-09-21 华为技术有限公司 Configuration method of physical downlink control channel, network equipment and terminal
RU2540791C2 (en) 2010-04-02 2015-02-10 ЗетТиИ Корпорейшн Detection method and device for detecting downlink control information
CN102215507B (en) * 2010-04-02 2015-07-22 中兴通讯股份有限公司 Method and system for detecting downlink control channel
CN104601313B (en) * 2010-04-30 2018-09-25 索尼公司 Select method, base station, terminal and the communication system of composition carrier wave
CN105577342B (en) * 2010-04-30 2018-09-14 广东欧珀移动通信有限公司 System and method for the control channel for sharing carrier wave polymerization
CN102237956B (en) * 2010-05-07 2013-11-06 中国移动通信集团公司 Method and device for transmitting uplink data by terminal
CN102264139A (en) * 2010-05-24 2011-11-30 中国移动通信集团公司 Method for transmitting uplink reference signal in long term evolution-advanced (LTE-A) carrier aggregation system, and base station and terminal of LTE-A carrier aggregation system
EP2582073A2 (en) 2010-06-08 2013-04-17 LG Electronics Inc. Method for searching control signals in a wireless access system supporting carrier aggregation (ca)
CN101867953B (en) * 2010-06-13 2015-06-03 中兴通讯股份有限公司 Method for detecting downlink control information in carrier aggregation scene and user equipment
WO2011160285A1 (en) * 2010-06-21 2011-12-29 Huawei Technologies Co., Ltd. Control channel assignment and reception
CN101883369B (en) * 2010-07-06 2012-12-19 新邮通信设备有限公司 Blind detection method
EP2437422A1 (en) * 2010-10-01 2012-04-04 Panasonic Corporation Search space for uplink and downlink grant in an OFDM-based mobile communication system
CN102448082B (en) * 2010-10-12 2014-04-30 中兴通讯股份有限公司 Method and system for detecting public search space of relay node
CN102036297B (en) * 2010-12-24 2013-08-14 大唐移动通信设备有限公司 Method and equipment for transmitting PDCCH, method and equipment for detecting PDCCH, and system
US9300511B2 (en) 2011-01-05 2016-03-29 Qualcomm Incorporated Method and apparatus for improving throughput of 5 MHZ WLAN transmissions
JP5097279B2 (en) * 2011-01-07 2012-12-12 株式会社エヌ・ティ・ティ・ドコモ Radio base station apparatus, radio communication method, and radio communication system
KR101849107B1 (en) * 2011-02-17 2018-04-16 삼성전자주식회사 Method and apparatus of allocating uplink feedback channel for feeding back ack/nack of data packets corresponding to e-pdcch
CN102724757B (en) * 2011-03-30 2017-11-07 中兴通讯股份有限公司 A kind of control channel information processing method and system
CN102158976B (en) * 2011-04-02 2013-06-26 电信科学技术研究院 Method, system and device for scheduling and receiving data
CN102740372B (en) * 2011-04-15 2017-08-25 中兴通讯股份有限公司 The sending method and device of a kind of Downlink Control Information
JP5432210B2 (en) * 2011-05-02 2014-03-05 株式会社Nttドコモ User terminal, radio base station, downlink control channel receiving method, and mobile communication system
KR101851240B1 (en) * 2011-05-23 2018-04-23 삼성전자 주식회사 Method and apparatus for transmitting of dynamic time division duplex data region in wireless communication system
CN102883368A (en) * 2011-07-13 2013-01-16 夏普株式会社 Distribution method and equipment of physical downlink control channel
WO2013010301A1 (en) * 2011-07-15 2013-01-24 富士通株式会社 Transmission method, search method and apparatus for downlink control signaling
EP2639989A1 (en) * 2012-03-16 2013-09-18 Panasonic Corporation Search space for ePDCCH control information in an OFDM-based mobile communication system
CN103326806B (en) * 2012-03-19 2016-08-03 电信科学技术研究院 The transmission method of a kind of descending control signaling and device
RS57814B1 (en) * 2012-05-09 2018-12-31 Sun Patent Trust Cross-carrier scheduling in e-pdcch
CN103391563B (en) * 2012-05-11 2018-06-08 中兴通讯股份有限公司 Downlink control information sending method, detection method, base station and user equipment
CN103428858B (en) * 2012-05-15 2018-03-23 中兴通讯股份有限公司 The sending method of control signaling, the detection method of control signaling, terminal and base station
CN103458509B (en) * 2012-05-28 2016-12-28 华为技术有限公司 Communication means, base station and subscriber equipment
CN103517432B (en) * 2012-06-29 2017-02-01 华为技术有限公司 Channel resource indicating method and device
CN103796316B (en) * 2012-11-02 2018-10-12 中兴通讯股份有限公司 A kind of method detecting control signaling and corresponding terminal
CN104284427B (en) * 2013-07-08 2019-04-12 华为技术有限公司 Control information acquisition method, device, terminal and accessing wirelessly access device
CN105379344A (en) * 2014-03-21 2016-03-02 华为技术有限公司 Downlink control information transmission method and related device
JP6475350B2 (en) * 2014-11-07 2019-02-27 華為技術有限公司Huawei Technologies Co.,Ltd. Data transmission method and apparatus
US10264564B2 (en) * 2015-01-30 2019-04-16 Futurewei Technologies, Inc. System and method for resource allocation for massive carrier aggregation
EP3328145A4 (en) 2015-08-12 2018-07-18 Huawei Technologies Co., Ltd. Data transmission method, terminal equipment, base station, and communication system
CN105490779B (en) * 2015-12-14 2018-11-27 上海创远仪器技术股份有限公司 Physical Downlink Control Channel blind checking method
CN105764146B (en) * 2016-02-05 2019-03-08 宇龙计算机通信科技(深圳)有限公司 A kind of method of sub-frame configuration, method, relevant device and the system of data transmission
CN105722239A (en) * 2016-02-05 2016-06-29 宇龙计算机通信科技(深圳)有限公司 Method for detecting dispatching instruction and terminal
CN106793145A (en) 2016-05-09 2017-05-31 北京展讯高科通信技术有限公司 Communication means and device based on LAA
EP3451761B1 (en) * 2016-05-13 2020-04-29 Huawei Technologies Co., Ltd. Downlink control information sending method and detection method and device
CN107370562A (en) * 2016-05-13 2017-11-21 华为技术有限公司 The method and apparatus for transmitting Downlink Control Information
CN108633010A (en) * 2017-03-21 2018-10-09 株式会社Ntt都科摩 A kind of transmission method and device of Downlink Control Information
CN108632960A (en) * 2017-03-24 2018-10-09 中兴通讯股份有限公司 A kind of transmission method and device of Physical Downlink Control Channel
SG11201909865SA (en) * 2017-05-03 2019-11-28 Beijing Xiaomi Mobile Software Co Ltd Downlink control channel receiving and transmitting method and device
CN107493145A (en) * 2017-08-30 2017-12-19 海信集团有限公司 A kind of communication means and device of honeycomb Internet of Things
CN110351739A (en) * 2018-04-04 2019-10-18 展讯通信(上海)有限公司 Monitor method, apparatus, base station and the user equipment of PDCCH
CN110581755A (en) * 2018-06-11 2019-12-17 电信科学技术研究院有限公司 Downlink control channel detection method, terminal and network side equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1886902A (en) * 2003-10-17 2006-12-27 弗拉里奥恩技术公司 Carrier search methods and apparatus
CN101345647A (en) * 2007-07-13 2009-01-14 大唐移动通信设备有限公司 Channel establishing method for high speed ascending packet data transmission, and network controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1886902A (en) * 2003-10-17 2006-12-27 弗拉里奥恩技术公司 Carrier search methods and apparatus
CN101345647A (en) * 2007-07-13 2009-01-14 大唐移动通信设备有限公司 Channel establishing method for high speed ascending packet data transmission, and network controller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
3GPP.Structure and configuration of component carriers in carrier aggregation.《Structure and configuration of component carriers in carrier aggregation》.2008, *

Also Published As

Publication number Publication date
CN101478808A (en) 2009-07-08

Similar Documents

Publication Publication Date Title
JP6463480B2 (en) Method and apparatus for supporting transmission / reception of improved physical downlink control channel in wireless access system supporting unlicensed band
JP6637163B2 (en) Method and apparatus for performing LBT process on multicarrier in wireless access system supporting unlicensed band
KR102058685B1 (en) Method and apparatus for signaling aperiodic channel state indication reference signals for LTE operation
KR20170048277A (en) Method and appratus of transmitting ack/nack
EP3238362B1 (en) Method and apparatus for signaling aperiodic channel state indication reference signals for lte operation
US20190104521A1 (en) Method and device for configuring transmission opportunity period in wireless access system supporting unlicensed band
JP6316871B2 (en) Signal transmission / reception method and apparatus therefor
US20160198520A1 (en) Base Station, User Equipment and Methods Therein for Control Timing Configuration Assignment in a Multiple Cell Communications Network
US9516653B2 (en) Scheduling method for device-to-device communication and apparatus for same
US10750494B2 (en) Management of dynamic transmission time interval scheduling for low latency communications
JP5964468B2 (en) Control channel resources for multi-bit ACK / NAK
US10278166B2 (en) Method of transmitting/receiving downlink control information and user equipment therefor in wireless access system
US9461793B2 (en) Method for determining the transmission of a sounding reference signal in a wireless communication system, and terminal therefor
US9337984B2 (en) Method for transmitting uplink control information, user equipment, method for receiving uplink control information, and base station
CN103875202B (en) The method of the original position of data channel and the device using this method are set in a wireless communication system
ES2645977T3 (en) Transmission in aggregation of combined FDD and TDD carriers
CN104969488B (en) For being arranged in a radio communications system for D2D(equipment to equipment) communication cyclic prefix method and its equipment
JP6238981B2 (en) Reference signal transmission method for antenna port in wireless connection system
US9730240B2 (en) Communication method considering carrier type and apparatus for same
KR20170074851A (en) Method for transmitting and receiving data in a wireless communication system and apparatus therefor
KR101589030B1 (en) A channel state information feedback for carrier aggregation with flexible carrier configurations
US9883496B2 (en) Method and apparatus for transmitting/receiving control information for device to device (D2D) communication in a wireless communications system
US9398578B2 (en) Method for receiving downlink signal, and user device, and method for transmitting downlink signal, and base station
US9655137B2 (en) Method for transmitting/receiving data in a wireless access system and base station for same
KR102081937B1 (en) Device to device communication method and device for performing same

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant