CN101404526B - Descending control information processing method - Google Patents

Descending control information processing method Download PDF

Info

Publication number
CN101404526B
CN101404526B CN 200810175504 CN200810175504A CN101404526B CN 101404526 B CN101404526 B CN 101404526B CN 200810175504 CN200810175504 CN 200810175504 CN 200810175504 A CN200810175504 A CN 200810175504A CN 101404526 B CN101404526 B CN 101404526B
Authority
CN
China
Prior art keywords
control channel
downlink control
physical downlink
pdcch
carrier wave
Prior art date
Application number
CN 200810175504
Other languages
Chinese (zh)
Other versions
CN101404526A (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 CN 200810175504 priority Critical patent/CN101404526B/en
Publication of CN101404526A publication Critical patent/CN101404526A/en
Application granted granted Critical
Publication of CN101404526B publication Critical patent/CN101404526B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Abstract

The invention discloses a downlink control information processing method which comprises: a master physical downlink control channel on a carrier unit supported by a terminal and at least one slave physical downlink control channel attributive to the master physical downlink control channel are set; wherein, the master physical downlink control channel is used for carrying the reference information of the slave physical downlink control channel; the reference information comprises at least one of the following: the position information of the slave physical downlink control channel, the format information of the slave physical downlink control channel and all the downlink control information of the slave physical downlink control channel for carrying the terminal. A transmitting method for the downlink control information in an LTE-Advanced system is provided by the invention; compared with the prior art, the downlink control information processing method can compatible with LTE-Advanced and LTE Release-8, improves the dispatching flexibility and the throughput of the LTE-Advanced system and reduces the blind detection times of the terminal.

Description

Descending control information processing method

Technical field

The present invention relates to the communications field, relate in particular to a kind of descending control information processing method.

Background technology

Fig. 1 shows Long Term Evolution (Long Term Evolution, referred to as LTE) Frequency Division Duplexing (FDD) (Frequency Division Duplex in the system, referred to as FDD) the frame structure schematic diagram of pattern and time division duplex (Time Division Duplex is referred to as TDD) pattern.

As shown in Figure 1a, in the frame structure of fdd mode, the radio frames of a 10ms (radio frame) comprises that 20 length are the time slot of 0.5ms (slot), the numbering of time slot is followed successively by 0~19, wherein, time slot 2i and 2i+1 composition length is subframe (subframe) i of 1ms.

Shown in Fig. 1 b, in the frame structure of tdd mode, the radio frame of a 10ms comprises that two length are the field of 5ms (half frame), wherein, half frame comprises 5 and longly is the subframe of 1ms, and subframe i is defined as 2 and longly is time slot 2i and the 2i+1 of 0.5ms.

In above-mentioned two kinds of frame structures, for standard cyclic prefix (Normal CyclicPrefix is referred to as Normal CP), the symbol that it is 66.7us that time slot comprises 7 length, 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 cyclic prefix (Extended Cyclic Prefix is referred to as Extended CP), a time slot comprises 6 symbols, and the CP length of these 6 symbols is 16.67us.

At present, LTE Release-8 has defined 6 kinds of bandwidth: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz, and LTE system definition following three kinds of downlink physical control channels.

One, physical down control format indicating channel (Physical control formatindicator channel, referred to as PCFICH): the information of this channel bearing is used to indicate (the Physical downlink controlchannel of transmitting physical downlink channel control in a subframe, referred to as PDCCH) the number of OFDM symbol, wherein, PDCCH sends at first OFDM symbol of subframe, and the frequency location at PCFICH place is determined by system descending bandwidth and residential quarter ID.

Two, physical mixing retransmission indicating chanel (Physical hybrid ARQ indicatorchannel is referred to as PHICH): be used for carrying the ACK/NACK feedback information of up biography data.Wherein, the number of PHICH channel, time-frequency position can be determined by the system message among the PBCH and residential quarter ID.

Three, PDCCH: be used for carrying uplink and downlink schedule information, and uplink power control information, wherein, PDCCH is mapped to continuous control channel unit (Control ChannelElement, referred to as CCE) on, the form shfft of PDCCH understands the CCE quantity that PDCCH takies.

Long Term Evolution plan (Long Term Evolution-Advanced is referred to as LTE-Advanced) system of a new generation is the evolution version of LTE Release-8.It will satisfy the demand with LTE Release-8 backward compatibility, and namely the terminal of LTE Release-8 can be worked in the network of LTE-Advanced, and the terminal of LTE-Advanced also can be worked in the network of LTERelease-8.In addition, LTE-Advanced can work under different spectrum dispositions, comprises the spectrum disposition wider than LTE Release-8 (for example continuous frequency spectrum resource of 100MHz), to reach higher performance and target peak speed.

Consider the compatibility of LTE-Advanced and LTE Release-8, for the bandwidth greater than 20MHz, adopt the mode of spectrum aggregation (Carrier aggregation), two or more carrier wave unit (component carrier) assembles to support the downstream transmission bandwidth greater than 20MHz; Terminal can receive one or more carrier waves unit simultaneously by its ability; There is the LTE-A terminal that surpasses the 20MHz receiving ability can receive simultaneously transmission on a plurality of carrier waves unit.LTE Rel-8 terminal can only be received a transmission on the carrier wave unit, follows the Rel-8 standard such as the structure of this carrier wave unit.

Can find out, for the sending method that is carried on the Downlink Control Information among the PDCCH in the LTE-Advanced system, not provide concrete solution in the existing technical scheme, therefore, need a kind of scheme that can address this problem.

Summary of the invention

Consider that a kind of technology of the needs that exist in the correlation technique solves the problem of the sending method that is carried on the Downlink Control Information among the PDCCH in the LTE-Advanced system and proposes the present invention, for this reason, main purpose of the present invention is to provide a kind of descending control information processing method, to address the above problem.

According to an aspect of the present invention, provide a kind of descending control information processing method.

Descending control information processing method according to the present invention comprises: arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel; Wherein, the primary physical down control channel is used for carrying from the parameter information of Physical Downlink Control Channel, and it is one of following at least that parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel; All Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel.

According to an aspect of the present invention, provide a kind of descending control information processing method.

Descending control information processing method according to the present invention comprises: arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel; Wherein, the primary physical down control channel is used for the Downlink Control Information of the carrier wave unit at its place of carrying, is used for the Downlink Control Information of the carrier wave unit except the carrier wave unit at primary physical down control channel place that the carrying terminal supports from Physical Downlink Control Channel.

By above-mentioned at least one technical scheme of the present invention, the sending method of Downlink Control Information in the LTE-Advanced system is provided, than prior art, can compatible LTE-Advanced and LTE Release-8, improve dispatching flexibility and the throughput of LTE-Advanced system, reduced the blind Detecting number of times of terminal.

Description of drawings

Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:

Fig. 1 a is the frame structure schematic diagram according to the LTE system fdd mode of correlation technique;

Fig. 1 b is the frame structure schematic diagram according to the LTE system TDD mode of correlation technique;

Fig. 2 is the flow chart according to the descending control information processing method of the inventive method embodiment one;

Fig. 3 a is the schematic diagram according to the PDCCH structure of the inventive method embodiment one;

Fig. 3 b is the schematic diagram according to the PDCCH structure of the inventive method embodiment two;

Fig. 3 c is the schematic diagram according to the PDCCH structure of the inventive method embodiment three;

Fig. 4 is the flow chart according to the descending control information processing method of the inventive method embodiment two;

Fig. 5 a is the schematic diagram according to the PDCCH structure of the inventive method embodiment four;

Fig. 5 b is the schematic diagram according to the PDCCH structure of the inventive method embodiment five;

Fig. 5 c is the schematic diagram according to the PDCCH structure of the inventive method embodiment six;

Fig. 5 d is the schematic diagram according to the PDCCH structure of the inventive method embodiment seven.

Embodiment

Functional overview

Basic ideas of the present invention are: because the transmission for Downlink Control Information is the not corresponding description of form of PDCCH in the present LTE-Advanced standard, for this problem, the invention provides a kind of descending control information processing method, by main PDCCH being set and from PDCCH, and at main PDCCH with from the corresponding information of PDCCH carrying, terminal obtains Downlink Control Information by the information that reads main PDCCH and carry from PDCCH.

Describe the present invention in detail below in conjunction with accompanying drawing.

Embodiment of the method one

According to the embodiment of the invention, provide a kind of descending control information processing method.

Need to prove that for convenience of description, illustrated and described hereinafter the technical scheme of embodiment of the method for the present invention with the form of step, shown step can be carried out hereinafter in the computer system such as one group of computer executable instructions.Although shown in the drawings of logical order, in some cases, can carry out step shown or description with the order that is different from herein relevant.

Fig. 2 is the flow chart according to the descending control information processing method of the embodiment of the invention, and as shown in Figure 2, the method may further comprise the steps (step S202 is to step S204):

Step S202, arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel, wherein, the number of primary physical down control channel can be 1;

Step S204, primary physical down control channel are used for carrying from the parameter information of Physical Downlink Control Channel, and it is one of following at least that parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel; All Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel, all Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel, wherein, it is one of following that positional information can comprise: the quantity from the position of the carrier wave unit at Physical Downlink Control Channel place, from the original position of the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying from the control channel unit of Physical Downlink Control Channel, preferably, above-mentioned parameter information can also comprise the number from Physical Downlink Control Channel.

In specific implementation process, the primary physical down control channel with can be positioned on the same carrier wave unit from Physical Downlink Control Channel, also can be positioned on the different carrier wave unit, and each can carry the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel, wherein, the primary physical down control channel can be positioned on the carrier wave unit, and each can be positioned on one or more carrier waves unit from Physical Downlink Control Channel.

The technical scheme that provides by the embodiment of the invention, the sending method of Downlink Control Information in the LTE-Advanced system is provided, than prior art, can compatible LTE-Advanced and LTE Release-8, improve dispatching flexibility and the throughput of LTE-Advanced system, reduced the blind Detecting number of times of terminal.

In Physical Downlink Control Channel (PDCCH), the form of Downlink Control Information (DownlinkControl Information) can be divided into following several: DCI format 0, DCIformat 1, DCI format 1A, DCI format 1B, DCI format 1C, DCI format1D, DCI format 2 and DCI format 2A; Wherein, DCI format 0 is used to indicate the scheduling of Physical Uplink Shared Channel (Physical uplink shared channel is referred to as PUSCH); DCI format 1, DCI format 1A, DCI format 1B, DCI format1C, DCI format 1D are used to indicate the different mode of Physical Downlink Shared Channel (Physical downlinkshared channel is referred to as PDSCH) code word scheduling; DCI format2, DCI format 2A is used for the different pattern of space division multiplexing; DCI format 3, DCIformat 3A are used to indicate the different mode of the power control instruction of Physical Uplink Control Channel (Physical uplink controlchannel is referred to as PUCCH) and PUSCH.

In data transmission procedure, the transmission of business datum mainly contains 7 kinds of transmission modes, and every kind of pattern has corresponding DCI format, and the PDCCH pattern that subscriber equipment (user equipment is referred to as UE) receives is by the semi-static configuration of high-level signaling.

Wherein, be used for the physical resource of transmission PDCCH with control channel unit (ControlChannel Element, referred to as CCE) be unit, a PDCCH may take 1,2,4,8 CCE, wherein, the size of a CCE is 9 resource groups (Resource Element Group is referred to as REG), i.e. 36 Resource Units (Resource Element is referred to as RE).For four kinds of PDCCH of 1,2,4,8 CCE, adopt tree-shaped set (Aggregation), that is: the PDCCH of a CCE can be from any CCE position; The PDCCH of two CCE is from even number CCE position; The CCE position of the integral multiple of the PDCCH of four CCE since four; The CCE position of the integral multiple of the PDCCH of eight CCE since eight.

The set of above-mentioned each grade (Aggregation level) defines a search volume, comprises the search volume of publicly-owned (common) and terminal proprietary (UE Specific).The OFDM symbolic number that the controlled area that the CCE number of whole search volume is indicated by PCFICH in each descending sub frame is shared and the group number of PHICH determine that UE DCI format by transmission mode of living in the search volume carries out blind Detecting to all possible PDCCH code checks.

The number of the descending carrier unit of supposing the system (component carrier) is 5, and the descending receiving ability of LTE-Advanced terminal is identical with the system descending bandwidth.

The LTE-Advanced terminal is passed through blind Detecting, at least one that obtains to carry among the main PDCCH is from the parameter information of PDCCH, this parameter information can comprise quantity from PDCCH, respectively from the positional information of PDCCH, wherein, this positional information can for following one of at least: the CCE position from the carrier wave unit at PDCCH place, in the carrier wave unit at PDCCH place.

The LTE-Advanced terminal detects from PDCCH by the indication of this parameter information, detects respectively behind PDCCH, and the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of respectively carrying from PDCCH.

Example one

Fig. 3 a shows the main PDCCH shown in the example one and from the indication schematic diagram of PDCCH, shown in Fig. 3 a, main PDCCH is positioned on the component carrier3, main PDCCH carries separately a plurality of parameter informations from PDCCH that belong to this main PDCCH to each descending carrier unit, in the figure, component carrier2, have from PDCCH on componentcarrier3 and the component carrier5, and component carrier2, carry its separately Downlink Control Information of place carrier wave unit from PDCCH on component carrier3 and the component carrier5.

The LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal detects component carrier2 according to the indication of this parameter information, on component carrier3 and the component carrier5 from PDCCH, detect component carrier2, behind the PDCCH on component carrier3 and the component carrier5, the LTE-Advanced terminal is according to component carrier2, follow-up associative operation is carried out in the control information of carrying from PDCCH on component carrier3 and the component carrier5.

The dotted line frame table is shown on this carrier wave unit not from PDCCH among Fig. 3 a, namely on component carrier1 and the component carrier4 not from PDCCH, not bearing downlink control information.

Example two

Fig. 3 b shows the main PDCCH shown in the example two and from the indication schematic diagram of PDCCH, shown in Fig. 3 b, main PDCCH is positioned on the component carrier3, main PDCCH indicates separately a plurality of parameter informations from PDCCH that belong to this main PDCCH to each descending carrier unit, in the figure, have from PDCCH on component carrier3 and the componentcarrier5, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on component carrier3 and the component carrier5, for example, on the component carrier3 from PDCCH carrying component carrier1, Downlink Control Information on component carrier2 and the component carrier3, the Downlink Control Information on PDCCH carrying component carrier4 and the component carrier5 on the component carrier5.

The LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on component carrier3 and the component carrier5 from PDCCH, after detecting the PDCCH on component carrier3 and the component carrier5, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on component carrier3 and the component carrier5.

Example three

Fig. 3 c shows the main PDCCH shown in the example three and from the indication schematic diagram of PDCCH, shown in Fig. 3 c, comprise that a main PDCCH and one are from PDCCH, wherein, this main PDCCH is positioned on the component carrier3, be positioned on a plurality of component carrier from PDCCH, and carry the Downlink Control Information of a plurality of component carrier, namely should be positioned at component carrier3 from PDCCH, on component carrier4 and the component carrier5, and the Downlink Control Information on carrying component carrier4 and the componentcarrier5, main PDCCH carries this from the parameter information of PDCCH.

The LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH behind the parameter information of PDCCH, obtain the data of CCE carrying in corresponding carrier wave unit by its indication, and according to the carrier wave unit number, the data of carrying on the corresponding carriers unit are merged, detect behind PDCCH, the LTE-Advanced terminal is carried out follow-up associative operation according to the Downlink Control Information that carries from PDCCH.

By example one, example two and example three described methods, can increase the flexibility of system call, improve the throughput of system, reduce the blind Detecting number of times.

Embodiment of the method two

According to the embodiment of the invention, provide a kind of descending control information processing method.

Fig. 4 is the flow chart according to the descending control information processing method of the embodiment of the invention, and as shown in Figure 4, the method may further comprise the steps (step S402 is to step S404):

Step S402, arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel wherein, the number of primary physical down control channel can be 1;

Step S404, the primary physical down control channel is used for the Downlink Control Information of the carrier wave unit at its place of carrying, is used for the Downlink Control Information of the carrier wave unit except the carrier wave unit at primary physical down control channel place that the carrying terminal supports from Physical Downlink Control Channel.

In specific implementation process, the primary physical down control channel with can be positioned on the same carrier wave unit from Physical Downlink Control Channel, also can be positioned on the different carrier wave unit, and each can carry the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel, wherein, the primary physical down control channel can be positioned on the carrier wave unit, can be positioned on one or more carrier waves unit from Physical Downlink Control Channel.

Preferably, the primary physical down control channel can also be used for carrying from the parameter information of Physical Downlink Control Channel, one of below parameter information comprises at least: from the positional information of Physical Downlink Control Channel, format information from Physical Downlink Control Channel, it is one of following that positional information can comprise: from the position of the carrier wave unit at Physical Downlink Control Channel place, original position from the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying is from the quantity of the control channel unit of Physical Downlink Control Channel, preferably, above-mentioned parameter information can also comprise the number from Physical Downlink Control Channel.

The number of the descending carrier unit of supposing the system is 5, and the descending receiving ability of LTE-Advanced terminal is identical with the system descending bandwidth.

The LTE-Advanced terminal is all carried out blind Detecting to main PDCCH with from PDCCH, obtain the Downlink Control Information on the carrier wave unit at its place of carrying among the main PDCCH, and the Downlink Control Information on other carrier wave unit of this LTE-Advanced terminal that from PDCCH, carry.

The LTE-Advanced terminal is passed through blind Detecting, at least one that obtains to carry among the main PDCCH is from the parameter information of PDCCH, this parameter information can comprise quantity from PDCCH, respectively from the positional information of PDCCH, wherein, this positional information can for following one of at least: the CCE position from the carrier wave unit at PDCCH place, in the carrier wave unit at PDCCH place.

The LTE-Advanced terminal detects from PDCCH by the indication of this parameter information, detects respectively behind PDCCH, and the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of respectively carrying from PDCCH.

Example four

Fig. 5 a shows the main PDCCH shown in the example three and from the indication schematic diagram of PDCCH, shown in Fig. 5 a, main PDCCH is positioned on the component carrier3, the Downlink Control Information of this main PDCCH carrying component carrier3, in the figure, only having has on the componentcarrier3 from PDCCH, namely main PDCCH be positioned at identical carrier wave unit from PDCCH on, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on the component carrier3, for example, the Downlink Control Information on PDCCH carrying component carrier2 and the component carrier4 on the component carrier3 should be 2 from component carrier number corresponding to PDCCH namely.

At this moment, the LTE-Advanced terminal can be carried out blind Detecting, obtains the Downlink Control Information from PDCCH on main PDCCH and the component carrier3, and carries out follow-up associative operation.

Preferably, main PDCCH can also carry a plurality of parameter informations from PDCCH that belong to this main PDCCH, at this moment, the LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on the component carrier3 from PDCCH, after detecting the PDCCH on the component carrier3, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on the component carrier3.

Example five

Fig. 5 b shows the main PDCCH shown in the example four and from the indication schematic diagram of PDCCH, shown in Fig. 5 b, main PDCCH is positioned on the component carrier3, the Downlink Control Information of this main PDCCH carrying component carrier3, in the figure, only having has on the componentcarrier4 from PDCCH, namely main PDCCH be positioned at different carrier wave unit from PDCCH on, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on the component carrier4, for example, on the component carrier3 from PDCCH carrying component carrier1, Downlink Control Information on component carrier4 and the component carrier5 should be 3 from component carrier number corresponding to PDCCH namely.

At this moment, the LTE-Advanced terminal can be carried out blind Detecting, obtains the Downlink Control Information from PDCCH on main PDCCH and the component carrier4, and carries out follow-up associative operation.

Preferably, main PDCCH can also carry a plurality of parameter informations from PDCCH that belong to this main PDCCH, at this moment, the LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on the component carrier4 from PDCCH, after detecting the PDCCH on the component carrier4, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on the component carrier4.

Example six

Fig. 5 c shows the main PDCCH shown in the example five and from the indication schematic diagram of PDCCH, shown in Fig. 5 c, main PDCCH is positioned on the component carrier3, the Downlink Control Information of this main PDCCH carrying component carrier3, in the figure, have from PDCCH on componentcarrier4 and the component carrier5, namely main PDCCH be positioned at different carrier wave unit from PDCCH on, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on component carrier4 and the componentcarrier5, for example, all carry component carrier1 from PDCCH on component carrier4 and the component carrier5, component carrier2, Downlink Control Information on component carrier4 and the component carrier5, namely each is 4 from component carrier number corresponding to PDCCH.

At this moment, the LTE-Advanced terminal can be carried out blind Detecting, obtains the Downlink Control Information from PDCCH on PDCCH, the component carrier5 on main PDCCH, the component carrier4, and carries out follow-up associative operation.

Preferably, main PDCCH can also carry a plurality of parameter informations from PDCCH that belong to this main PDCCH, at this moment, the LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on component carrier4 and the componentcarrier5 from PDCCH, after detecting the PDCCH on component carrier4 and the componentcarrier5, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on componentcarrier4 and the component carrier5 respectively.

Example seven

Fig. 5 d shows the main PDCCH shown in the example six and from the indication schematic diagram of PDCCH, shown in Fig. 5 d, is carrying top signaling in the PDSCH of m subframe master PDCCH indication, and this top signaling indication is from information such as the position of PDCCH and forms.Since (m+n) individual subframe, the LTE-Advanced terminal by the configuration of m subframe top signaling to detecting from PDCCH and carry out associative operation by the control information of its carrying, until till the new signal deployment, wherein, m, the n value is nonnegative integer.

The LTE-Advanced terminal is carried out follow-up associative operation according to the control information on the carrier wave unit at main PDCCH place, at high-level signaling during by the PDSCH of carrier wave unit carrying, the LTE-Advanced terminal according to the carrier wave unit of this high-level signaling indication and format detection from PDCCH, detect behind PDCCH, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on componentcarrier4 and the component carrier5.

As mentioned above, by means of descending control information processing method provided by the invention, the sending method of Downlink Control Information in the LTE-Advanced system is provided, than prior art, can compatible LTE-Advanced and LTE Release-8, improve dispatching flexibility and the throughput of LTE-Advanced system, reduced the blind Detecting number of times of terminal.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (18)

1. a LTE-Advanced system descending control information processing method is characterized in that, comprising:
Arrange in the carrier wave unit of LTE-Advanced terminal support the primary physical down control channel and belong to described primary physical down control channel at least one from Physical Downlink Control Channel;
Wherein, described primary physical down control channel is used for carrying described parameter information from Physical Downlink Control Channel, and it is one of following at least that described parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel; Described all Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel.
2. method according to claim 1 is characterized in that, described primary physical down control channel and describedly be positioned on the same carrier wave unit from Physical Downlink Control Channel.
3. method according to claim 1 is characterized in that, described primary physical down control channel is positioned on the different carrier wave unit from Physical Downlink Control Channel from described.
4. method according to claim 1 is characterized in that, each carries the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel.
5. method according to claim 1 is characterized in that, described primary physical down control channel is positioned on the carrier wave unit.
6. method according to claim 1 is characterized in that, each is positioned on one or more carrier waves unit from Physical Downlink Control Channel.
7. each described method in 6 according to claim 1 is characterized in that the number of described primary physical down control channel is 1.
8. each described method in 6 according to claim 1, it is characterized in that it is one of at least following that described positional information comprises: the quantity from the position of the carrier wave unit at Physical Downlink Control Channel place, from the original position of the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying from the control channel unit of Physical Downlink Control Channel.
9. a LTE-Advanced system descending control information processing method is characterized in that, comprising:
Arrange in the carrier wave unit of LTE-Advanced terminal support the primary physical down control channel and belong to described primary physical down control channel at least one from Physical Downlink Control Channel;
Wherein, described primary physical down control channel is used for the Downlink Control Information of the carrier wave unit at its place of carrying, the described Downlink Control Information that is used for the carrier wave unit except the carrier wave unit at described primary physical down control channel place that the carrying terminal supports from Physical Downlink Control Channel.
10. method according to claim 9 is characterized in that, described primary physical down control channel and describedly be positioned on the same carrier wave unit from Physical Downlink Control Channel.
11. method according to claim 9 is characterized in that, described primary physical down control channel is positioned on the different carrier wave unit from Physical Downlink Control Channel from described.
12. method according to claim 9 is characterized in that, each carries the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel.
13. method according to claim 9 is characterized in that, described primary physical down control channel is positioned on the carrier wave unit.
14. method according to claim 9 is characterized in that, each is positioned on one or more carrier waves unit from Physical Downlink Control Channel.
15. method according to claim 9 is characterized in that, the number of described primary physical down control channel is 1.
16. method according to claim 9, it is characterized in that, controlled by high-level signaling from the parameter information of Physical Downlink Control Channel, it is one of at least following that described parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel.
17. method according to claim 9 is characterized in that, also comprises:
Described primary physical down control channel is used for carrying described parameter information from Physical Downlink Control Channel, and it is one of following at least that described parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel.
18. according to claim 16 or 17 described methods, it is characterized in that it is one of at least following that described positional information comprises: the quantity from the position of the carrier wave unit at Physical Downlink Control Channel place, from the original position of the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying from the control channel unit of Physical Downlink Control Channel.
CN 200810175504 2008-11-03 2008-11-03 Descending control information processing method CN101404526B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810175504 CN101404526B (en) 2008-11-03 2008-11-03 Descending control information processing method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 200810175504 CN101404526B (en) 2008-11-03 2008-11-03 Descending control information processing method
PCT/CN2009/072925 WO2010060308A1 (en) 2008-11-03 2009-07-27 Processing method of downlink control information

Publications (2)

Publication Number Publication Date
CN101404526A CN101404526A (en) 2009-04-08
CN101404526B true CN101404526B (en) 2013-05-01

Family

ID=40538407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200810175504 CN101404526B (en) 2008-11-03 2008-11-03 Descending control information processing method

Country Status (2)

Country Link
CN (1) CN101404526B (en)
WO (1) WO2010060308A1 (en)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101404526B (en) * 2008-11-03 2013-05-01 中兴通讯股份有限公司 Descending control information processing method
CN101873669B (en) 2009-04-22 2012-12-26 电信科学技术研究院 System information notification method, system and device
GB2469800A (en) 2009-04-27 2010-11-03 Nec Corp Communications system
WO2010124444A1 (en) * 2009-04-27 2010-11-04 华为技术有限公司 Methods for transmitting and receiving information and devices thereof
CN107196753A (en) * 2009-04-28 2017-09-22 三菱电机株式会社 Gsm
CN101610564B (en) 2009-04-29 2015-04-01 中兴通讯股份有限公司 Method for sending and detecting downlink control information
US8989208B2 (en) 2009-04-30 2015-03-24 Qualcomm Incorporated PDCCH search space design for LTE-A multi-carrier operation
US8995358B2 (en) * 2009-04-30 2015-03-31 Qualcomm Incorporated False detection reduction during multi-carrier operation
CN101888648A (en) 2009-05-11 2010-11-17 大唐移动通信设备有限公司 Uplink synchronous control method and device
JPWO2010137672A1 (en) * 2009-05-25 2012-11-15 日本電気株式会社 Base station apparatus, communication system, mapping control method and program
CN101909333B (en) * 2009-06-05 2014-08-20 电信科学技术研究院 Method, equipment and method for transmitting PDCCH schedule
ES2541836T3 (en) * 2009-06-25 2015-07-27 Koninklijke Philips N.V. Communications procedure in a mobile network
CN101938841B (en) * 2009-06-30 2016-03-09 华为技术有限公司 A kind of ascending resource acquisition methods, dispatching method, Apparatus and system
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
CN101998681B (en) * 2009-08-15 2014-07-09 华为技术有限公司 Method for processing signaling, and base station and user equipment
CN101998509B (en) * 2009-08-28 2013-01-23 华为技术有限公司 Method and device for determining searching space and candidate control channel resources
RU2502192C1 (en) 2009-09-28 2013-12-20 Самсунг Электроникс Ко., Лтд. Extending physical downlink control channels
CN102014494B (en) 2009-09-29 2012-07-04 电信科学技术研究院 Configuration method and device of downlink scheduling information
CN102035772B (en) * 2009-09-29 2014-06-04 华为技术有限公司 Multi-carrier-based blind detection method and user equipment (UE)
CN102036305B (en) 2009-09-30 2014-05-07 华为技术有限公司 Transmitting method and receiving method of control information, devices and communication system
CN102056185B (en) * 2009-10-31 2014-12-10 华为技术有限公司 Channel blind detection method, channel assignment method and device
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
US8812006B2 (en) 2009-11-02 2014-08-19 Telefonaktiebolaget L M Ericsson (Publ) Methods and arrangements in a wireless communication system
WO2011054148A1 (en) 2009-11-06 2011-05-12 华为技术有限公司 Method and device for resource configuration
CN102088343B (en) * 2009-12-03 2014-06-25 华为技术有限公司 Method for feeding acknowledgement (ACK)/negative acknowledgement (NACK) back during carrier aggregation, base station and user equipment
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
US8804586B2 (en) 2010-01-11 2014-08-12 Blackberry Limited Control channel interference management and extended PDCCH for heterogeneous network
CN102792601B (en) * 2010-01-11 2015-04-08 黑莓有限公司 Access node and method for operating the access node
WO2011100673A1 (en) 2010-02-12 2011-08-18 Interdigital Patent Holdings, Inc. Method and apparatus for enhancing cell-edge user performance and signaling radio link failure conditions via downlink cooperative component carriers
CN102083223A (en) * 2010-03-05 2011-06-01 大唐移动通信设备有限公司 DCI (Downlink Control Information) sending method, system and device as well as uplink transmission method, system and device
CN102215586B (en) * 2010-04-02 2014-12-17 电信科学技术研究院 Method and equipment for PDCCH (Physical Downlink Control Channel) blind detection
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
WO2011129537A2 (en) * 2010-04-14 2011-10-20 엘지전자 주식회사 Method for setting a search space for a relay node in a wireless communication system and apparatus for same
CN102378255B (en) * 2010-08-24 2014-07-16 中兴通讯股份有限公司 Method and device for improving transmission performance of physical downlink control channel (PDCCH)
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
JP5801093B2 (en) 2011-04-27 2015-10-28 シャープ株式会社 base station, terminal, communication system and communication method
JP5810399B2 (en) * 2011-04-27 2015-11-11 シャープ株式会社 Base station, terminal and radio communication method
CN102186251B (en) * 2011-04-29 2016-09-28 中兴通讯股份有限公司 The transmission method of Downlink Control Information and system
CN102781095B (en) * 2011-05-09 2015-07-29 华为技术有限公司 The method of transfer of data, base station, subscriber equipment and system
CN102891728B (en) * 2011-07-20 2016-06-08 华为技术有限公司 A kind of Physical Downlink Control Channel sends and blind checking method, equipment
CN102932299B (en) * 2011-08-08 2015-12-16 普天信息技术研究院有限公司 A kind of sending method of Physical Downlink Control Channel
CN102820960B (en) 2012-01-09 2014-08-20 华为终端有限公司 Method for realizing hybrid automatic repeat request, user equipment and base station
CN104936206A (en) * 2014-03-20 2015-09-23 中兴通讯股份有限公司 Configuration and detection method, device and system of control channel
CN106686741A (en) * 2015-11-11 2017-05-17 华为技术有限公司 Method of transmitting scheduling information and apparatus thereof
CN107534532A (en) * 2015-12-04 2018-01-02 华为技术有限公司 The method and apparatus of data transfer
CN107959557B (en) * 2016-10-15 2020-01-03 上海朗帛通信技术有限公司 Method and equipment in UE (user equipment) supporting multi-carrier communication and base station
CN108271261A (en) * 2016-12-30 2018-07-10 华为技术有限公司 A kind of downlink control channel indicating method, terminal device and the network equipment
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1956589A (en) * 2005-10-27 2007-05-02 华为技术有限公司 Implement method of uplink/downlink control channel
CN101242216A (en) * 2007-02-06 2008-08-13 北京三星通信技术研究有限公司;三星电子株式会社 Transmission device and method for downlink control signaling in wireless communication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100393173C (en) * 2005-08-17 2008-06-04 中兴通讯股份有限公司 Method of multi-carrier cell configuration high-speed downlink channel sharing in TD-SCDMA system
CN100547951C (en) * 2005-11-15 2009-10-07 鼎桥通信技术有限公司 Physical channel collocating method and signal transmission method of TD-SCDMA system
CN101043499B (en) * 2006-04-14 2011-06-22 华为技术有限公司 Method and equipment for capturing transmission signal of channel in OFDM system
US9143288B2 (en) * 2006-07-24 2015-09-22 Qualcomm Incorporated Variable control channel for a wireless communication system
CN101404526B (en) * 2008-11-03 2013-05-01 中兴通讯股份有限公司 Descending control information processing method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1956589A (en) * 2005-10-27 2007-05-02 华为技术有限公司 Implement method of uplink/downlink control channel
CN101242216A (en) * 2007-02-06 2008-08-13 北京三星通信技术研究有限公司;三星电子株式会社 Transmission device and method for downlink control signaling in wireless communication system

Also Published As

Publication number Publication date
WO2010060308A1 (en) 2010-06-03
CN101404526A (en) 2009-04-08

Similar Documents

Publication Publication Date Title
EP2759076B1 (en) System access method and apparatus of a narrowband terminal in a wireless communication system supporting wideband and narrowband terminals
US9294219B2 (en) Techniques for supporting relay operation in wireless communication systems
US10098097B2 (en) Uplink control channel resource allocation for an enhanced downlink control channel of a mobile communication system
KR101615985B1 (en) Method and apparatus for allocation of discontinuous uplink resource
ES2404560T3 (en) Transmission of planning assignments in multiple operating bandwidths
EP2865124B1 (en) Transmission in combined tdd and fdd carrier aggregation
CA2760505C (en) Method for sending and detecting downlink control information
US9119197B2 (en) System and method for delay scheduling
JP5722977B2 (en) Expansion of physical downlink control channel
KR101366708B1 (en) Method and system for transmitting downlink control information
CN102656831B (en) Uplink control information transmission method and apparatus in multi-carrier system
EP2683098B1 (en) Method and apparatus for searching control information by terminal in multinode system
KR101253655B1 (en) Method and apparatus for transmitting and receiving control signal for merging carriers in transmission
US9357541B2 (en) Control channel for wireless communication
CN101465720B (en) Method and device for sending upward HARQ feedback information
JP2012514397A (en) High bandwidth system physical uplink control channel method
EP2608475A2 (en) Method and apparatus for transmitting uplink data in a wireless access system
CN103326806B (en) The transmission method of a kind of descending control signaling and device
US20130039297A1 (en) Method for data transmission and base station and user equipment using the same
JP2014519757A (en) Method and apparatus for defining physical channel transmission / reception timing and resource allocation in a TDD communication system supporting carrier aggregation
CN102422584B (en) Control channel provisioning and signaling
EP3021626B1 (en) Control channel transmission method, transmission processing method, communication node and terminal
US9872123B2 (en) Group based PDCCH capability for LTE
ES2715324T3 (en) Transmission of control information in a wireless network with carrier pooling
CN103098409B (en) There is the ACK/NACK transmission of the multi-carrier operation of downlink distribution index

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant