CN103427970B

CN103427970B - Method, user equipment and base station for transmitting downlink control information

Info

Publication number: CN103427970B
Application number: CN201210161411.XA
Authority: CN
Inventors: 夏金环
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-05-23
Filing date: 2012-05-23
Publication date: 2017-04-26
Anticipated expiration: 2032-05-23
Also published as: CN103427970A; WO2013174167A1

Abstract

The embodiment of the invention provides a method, user equipment and base station for transmitting downlink control information. The method includes the steps that common downlink control information is received from a base station, and the common DCI is used for indicating resources occupied by a first common message of the first-class user equipment and resources occupied by a second common message of the second-class UE in physical downlink shared channel resources; according to the common DCI, the first common message is detected in the resources occupied by the first common message or the second common message is detected in the resources occupied by the second common message. According to the method, user equipment and base station for transmitting the downlink control information, due to the fact that the common DCI indicates the two common messages for the two classes of UE, when the two common messages indicated by the common DCI are transmitted by the base station, the two classes of UE can detect the respective common message respectively according to the common DCI, and therefore the transmission efficiency of the common message can be improved.

Description

Transmit method, user equipment and the base station of Downlink Control Information

Technical field

The present invention relates to the communications field, and in particular it relates to transmit the method for Downlink Control Information, user equipment and base Stand.

Background technology

Long Term Evolution（Long Term Evolution, LTE）Resource allocation in system is by evolved base station（evolved NodeB, eNB）United Dispatching.If base station has downlink data to be sent to user equipment（User Equipment, UE）, need In a Transmission Time Interval（Transmission Time Interval, TTI）It is interior, downlink data symbol is mapped in into time-frequency In resource, and Downlink Control Information is sent in present sub-frame（Downlink Control Information, DCI）, it is used for The schedule informations such as the modulation coding mode of position and data of the indicating downlink data on running time-frequency resource.In a TTI only There is a UE to need the private downlink data for receiving and detecting to be indicated by special DCI.Received by multiple UE in a TTI And the common downlink data for detecting are indicated that common downlink data are referred to as public message by public DCI, can be included Beep-page message, system information（System Information, SI）Or accidental access response message（Random Access Response, RAR）Deng.

Due to the receiving ability difference of multiple UE, in order to the UE for ensureing different receiving abilities can receive public message, base Receiving ability of the bandwidth taken when public message is sent of standing no more than the relatively low UE of ability.Cause the transmission of public message Efficiency is low.How the UE of different abilities receives public message and just becomes one and ask on the premise of efficiency of transmission is improved as far as possible Topic.

The content of the invention

The embodiment of the present invention provides method, user equipment and the base station of transmission Downlink Control Information so that two classes UE can Respective public message is detected respectively according to public DCI.

On the one hand, there is provided it is a kind of transmission Downlink Control Information method, including：Common downlink control letter is received from base station Breath DCI, the public DCI are used to indicate in Physical Downlink Shared Channel PDSCH resources for the of first kind user equipment (UE) Resource shared by one public message and for Equations of The Second Kind UE the second public message shared by resource；According to the public DCI, First public message is detected in the resource shared by first public message or in the money shared by second public message Second public message in source.

On the other hand, there is provided it is a kind of transmission Downlink Control Information method, including：Generate common downlink control information DCI, the public DCI are used to indicate first for first kind user equipment (UE) in Physical Downlink Shared Channel PDSCH resources Resource shared by public message and for Equations of The Second Kind UE the second public message shared by resource；To first kind UE and should Equations of The Second Kind UE sends the public DCI, and to send this to first kind UE in the resource shared by the first public message first public Message sends second public message in the resource shared by the second public message to Equations of The Second Kind UE.

On the other hand, there is provided it is a kind of transmission Downlink Control Information method, including：Receive by the public of identifier scrambling Downlink Control Information DCI, the public DCI are used to indicate to be directed to user equipment in Physical Downlink Shared Channel PDSCH resources Resource shared by the public message of UE；When it is determined that the identifier corresponds to the identifier of the UE, according to the public DCI, The public message of the UE is detected in the resource shared by the public message.

On the other hand, there is provided it is a kind of transmission Downlink Control Information method, including：Generate by the public of identifier scrambling Downlink Control Information DCI, the identifier corresponds to the classification of user equipment (UE), and the identifier is used to indicate that the public DCI belongs to The UE, the public DCI are used for instruction and are directed in Physical Downlink Shared Channel PDSCH resources shared by the public message of the UE Resource；The public DCI is sent to the UE, and the public message is sent to the UE in the resource shared by the public message.

On the other hand, there is provided a kind of user equipment, including：Receiving unit, for receiving common downlink control from base station Information DCI, the public DCI is used to indicate in Physical Downlink Shared Channel PDSCH resources for first kind user equipment (UE) Resource shared by first public message and for Equations of The Second Kind UE the second public message shared by resource；Detector unit, uses According to the public DCI, detecting first public message or second public at this in the resource shared by first public message Second public message in resource shared by common message.

On the other hand, there is provided a kind of base station, including：Signal generating unit, for generating common downlink control information DCI, should Public DCI is used to indicate public to disappear for the first of first kind user equipment (UE) in Physical Downlink Shared Channel PDSCH resources The shared resource of breath and for Equations of The Second Kind UE the second public message shared by resource；Transmitting element, for this first Class UE and Equations of The Second Kind UE send the public DCI, and should to the transmission of first kind UE in the resource shared by the first public message First public message sends second public message in the resource shared by the second public message to Equations of The Second Kind UE.

On the other hand, there is provided a kind of user equipment, including：Receiving unit, for receiving by the public of identifier scrambling Downlink Control Information DCI, the public DCI are used to indicate to be directed to user equipment in Physical Downlink Shared Channel PDSCH resources Resource shared by the public message of UE；Detector unit, for when it is determined that the identifier corresponds to the identifier of the UE, root According to the public DCI, the public message of the UE is detected in the resource shared by the public message.

On the other hand, there is provided a kind of base station, including：Signal generating unit, for generating the common downlink scrambled by identifier Control information DCI, the identifier corresponds to the classification of user equipment (UE), and the identifier is used to indicate that the public DCI belongs to the UE, The public DCI is used to indicate to be directed to the money shared by the public message of the UE in Physical Downlink Shared Channel PDSCH resources Source；Transmitting element, for sending the public DCI to the UE, and should to UE transmissions in the resource shared by the public message Public message.

In the embodiment of the present invention, due to two public messages of the public DCI indicators to two classes UE, therefore in base station transmission During two public messages indicated by the public DCI, two classes UE can respectively detect respective public disappear according to the public DCI Breath such that it is able to improve the efficiency of transmission of public message.

Description of the drawings

In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to make needed for the embodiment of the present invention Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings Accompanying drawing.

Fig. 1 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.

Fig. 2 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.

Fig. 3 is the indicative flowchart of the process of the method for transmission DCI according to an embodiment of the invention.

Fig. 4 is the first public message according to an embodiment of the invention and the second public message in PDSCH resources Mapping graph.

Fig. 5 is the first public message according to another embodiment of the present invention and the second public message in PDSCH resources Mapping graph.

Fig. 6 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.

Fig. 7 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.

Fig. 8 is the schematic block diagram of user equipment according to embodiments of the present invention.

Fig. 9 is the schematic block diagram of base station according to embodiments of the present invention.

Figure 10 is the schematic block diagram of user equipment according to embodiments of the present invention.

Figure 11 is the schematic block diagram of base station according to embodiments of the present invention.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on this Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made Example is applied, should all belong to the scope of protection of the invention.

Technical scheme, can apply to various communication systems, for example：Global system for mobile communications（Global System of Mobile communication, GSM）, CDMA（Code Division Multiple Access, CDMA）System, WCDMA（Wideband Code Division Multiple Access Wireless, WCDMA）, GPRS (general packet radio service)（General Packet Radio Service, GPRS）, LTE etc..

UE is also referred to as mobile terminal（Mobile Terminal, MT）, mobile subscriber equipment etc., can wirelessly be connect with Jing Network（For example, Radio Access Network, RAN）Communicated with one or more core nets, user equipment can be Mobile terminal, such as mobile phone（Or be referred to as " honeycomb " phone）With the computer with mobile terminal, for example, it may be portable Formula, pocket, hand-held, built-in computer or vehicle-mounted mobile device.

Base station, can be the base station in GSM or CDMA（Base Transceiver Station, BTS）, or Base station in WCDMA（NodeB）, the eNB or e-NodeB in LTE is can also be, the present invention is not limited.

Fig. 1 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.The method of Fig. 1 is performed by UE, For example can be first kind UE or Equations of The Second Kind UE.

110, public DCI is received from base station, the public DCI is used to indicate in Physical Downlink Shared Channel（Physical Downlink Shared Channel, PDSCH）In resource for first kind UE the first public message shared by resource and For Equations of The Second Kind UE the second public message shared by resource.

It should be noted that in the embodiment of the present invention, first kind UE and Equations of The Second Kind UE can be divided according to the ability of UE, For example first kind UE can have higher receiving ability, be properly termed as ability UE, can receive the descending of full frequency band bandwidth Data.Equations of The Second Kind UE has relatively low receiving ability, is properly termed as capabilities UE, data that can only be in receiving portion bandwidth, nothing Method receives the data of full frequency band bandwidth.First kind UE and Equations of The Second Kind UE can also be and divided according to other attribute informations of UE , the embodiment of the present invention is not construed as limiting to this.

In the embodiment of the present invention, the public DCI is indicated in PDSCH resources for the first public message institute of first kind UE The resource of occupancy and in PDSCH resources for Equations of The Second Kind UE the second public message shared by resource, that is, by one Individual public DCI can be with indicator to two classes UE two public messages, can so improve resource utilization.

Alternatively, as one embodiment, public DCI can include Part I DCI and Part II DCI, first DCI is divided to include the first downlink resource block allocation field, the first downlink resource block allocation field is used to indicate that the first public message exists The original position and number of the PRB taken in PDSCH resources.Part II DCI includes the second downlink resource block allocation field, the Two downlink resource block allocation fields are used to indicate the Physical Resource Block that the second public message takes in PDSCH resources （Physical Resource Block, PRB）Number.

Alternatively, as another embodiment, Part II DCI can be special by Equations of The Second Kind UE.Part I DCI can be by First kind UE and Equations of The Second Kind UE are used in conjunction with, so being capable of save resources.

Alternatively, as another embodiment, public DCI can also include that Part III DCI, Part III DCI can be used In expression, the public DCI indicates two public messages.

For example, Part III DCI also may indicate that first public message of the public DCI indicators to first kind UE, at this moment Public DCI is used by first kind UE.First kind UE can detect the first public message of oneself according to the public DCI, now public Common DCI can include the field for being used in the public DCI of prior art, and each field is defined similarly as prior art, is Avoid repeating, here is omitted.Additionally, Part III DCI also may indicate that public DCI indicates a public message, First kind UE and Equations of The Second Kind UE will receive the public message, that is, first kind UE and Equations of The Second Kind UE to receive identical public Message, now, the public DCI can include the field for being used in the public DCI of prior art, first kind UE and Equations of The Second Kind UE detects the public message that the public DCI is indicated all in accordance with the public DCI, and detailed process can refer to prior art, in order to avoid Repeat, here is omitted.

120, according to the public DCI, the first public message is detected in the resource shared by the first public message or The second public message is detected in resource shared by two public messages.

When the method is performed by first kind UE, first kind UE can be according to public DCI, shared by the first public message Resource in detect the first public message.Specifically, first kind UE can detect the first public message according to Part I DCI.

When the method is performed by Equations of The Second Kind UE, Equations of The Second Kind UE can be according to public DCI, shared by the second public message Resource in detect the second public message.Specifically, Equations of The Second Kind UE can be detected according to Part I DCI and Part II DCI Second public message.

Alternatively, as another embodiment, Equations of The Second Kind UE can determine first according to the first downlink resource block allocation field The end position of the PRB that public message takes in PDSCH resources, and using the position of the next PRB of the end position as The original position of the PRB that the second public message takes in PDSCH resources, accounts for according to the second public message in PDSCH resources The number of the PRB that the original position of PRB and the second public message take in PDSCH resources, in the second public message The second public message is detected in shared resource.

Specifically, position of second public message in PDSCH resources and position of first public message in PDSCH resources It can be adjacent to put, that is, the next one adjacent with last PRB that the first public message takes in PDSCH resources PRB, is exactly first PRB that the second public message takes in PDSCH resources.So, without the need in public DCI to Equations of The Second Kind UE indicates the original position of the PRB that the second public message takes in PDSCH resources, so as to save the expense of public DCI.

Alternatively, as another embodiment, when the method is performed by Equations of The Second Kind UE, Equations of The Second Kind UE can be public according to second The PRB that altogether original position and the second public message of the PRB that message takes in PDSCH resources takes in PDSCH resources Number, the second public message is detected in the resource shared by the second public message, the second public message is in PDSCH resources The original position of the PRB of occupancy can be predefined.

Alternatively, as another embodiment, the PRB's that above-mentioned second public message takes in PDSCH resources is predefined Original position can be by system information or wireless heterogeneous networks（Radio Resource Control, RRC）Signaling is indicated , or can be position fixed in PDSCH resources, or can be special subbands of the Equations of The Second Kind UE in PDSCH resources Original position, or can be at a distance of the position of fixed frequency offset with the original position of special subband.

Special subband can be the special subband divided for Equations of The Second Kind UE.For example, when Equations of The Second Kind UE is capabilities UE, only Data in energy receiving portion bandwidth, such as can only receive the data of 1/4 system bandwidth, then this 1/4 bandwidth is properly termed as The special subband of capabilities UE.For special subband is in the particular location of whole system bandwidth, Equations of The Second Kind UE can pass through base station The modes such as the high-level signaling or frequency hopping of transmission are obtained.So, without the need for indicating the second public message to Equations of The Second Kind UE in public DCI The original position of the PRB taken in PDSCH resources, so as to save the expense of public DCI.

Fig. 2 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.The method of Fig. 2 is held by base station OK.

210, public DCI is generated, the public DCI is used to indicate that first kind UE is directed in PDSCH resources first is public Resource shared by message and for Equations of The Second Kind UE the second public message shared by resource.

Alternatively, as one embodiment, public DCI can include Part I DCI and Part II DCI, first DCI is divided to include the first downlink resource block allocation field, the first downlink resource block allocation field disappear for instruction first to be public The original position and number of the PRB that breath takes in PDSCH resources.Part II DCI can be including the second downlink resource block point With field, the second downlink resource block allocation field is used to indicate the number of the PRB that the second public message takes in PDSCH resources Mesh..

Alternatively, as another embodiment, the end position of the PRB that the first public message takes in PDSCH resources The position of next PRB can be the original position of the PRB that the second public message takes in PDSCH resources.Or second is public Altogether the original position of the PRB that message takes in PDSCH resources can be predefined, wherein the second public message is in PDSCH The original position of the PRB taken in resource can be indicated by system information or RRC signaling, or in PDSCH resources admittedly Fixed position, or the original position of special subbands of the Equations of The Second Kind UE in PDSCH resources, or with special subband rise Beginning, position was at a distance of the position of fixed frequency offset.

220, the public DCI is sent to first kind UE and Equations of The Second Kind UE, and in the resource shared by the first public message It is middle to send the first public message to first kind UE or send second to Equations of The Second Kind UE in the resource shared by the second public message Public message.

Specifically, if the base station determine that sending two public messages, Part III respectively to first kind UE and Equations of The Second Kind UE DCI can be used to indicate that the public DCI indicates two public messages.If the base station determine that only send to first kind UE being directed to first Public message, then Part III DCI can represent first public message of the public DCI indicators to first kind UE, it is at this moment public DCI is used by first kind UE.First kind UE can detect the first public message of oneself according to the public DCI, now public DCI The field for being used in the public DCI of prior art can be included, each field is defined similarly as prior art, in order to avoid Repeat, here is omitted.Additionally, if the base station determine that send identical public message to first kind UE and Equations of The Second Kind UE, then Part III DCI can represent that public DCI indicates a public message, and now, the public DCI can include the public affairs of prior art The field for being used in common DCI, first kind UE and Equations of The Second Kind UE detect the public affairs that the public DCI is indicated all in accordance with the public DCI Common message, detailed process can refer to prior art, and in order to avoid repeating, here is omitted.

After first kind UE and Equations of The Second Kind UE receive the public DCI, first kind UE can be according to the public DCI detections certainly Oneself the first public message, Equations of The Second Kind UE can detect the second public message of oneself according to the public DCI.

In the embodiment of the present invention, because two public messages of the public DCI indicators to two classes UE, therefore base station can divide The respective public message of defeated two class UE of supplementary biography such that it is able to improve the efficiency of transmission of public message.

Below in conjunction with the detailed embodiment of the present invention of specific example.

301, base station generates public DCI, and the public DCI can be indicated in PDSCH resources for the first of first kind UE Resource shared by public message and in PDSCH resources for Equations of The Second Kind UE the second public message shared by resource.

Public DCI can include that Part I DCI and Part II DCI, Part I DCI disappear for instruction first to be public Breath, Part I DCI and Part II DCI can serve to indicate that the second public message.Therefore, Part I DCI can be by One class UE and Equations of The Second Kind UE are shared, and Part II DCI can be special by Equations of The Second Kind UE.

The length of the public DCI can be identical with the length of public DCI of the prior art, and Part I DCI can be wrapped The bit used in the public DCI for including prior art, Part II DCI can include prior art public DCI in protected The bit for staying, base station and Equations of The Second Kind UE can be predefined as retained bit by Equations of The Second Kind UE special field.

Part I DCI can include the first downlink resource block allocation field, and the first downlink resource block allocation field can use In indicator for the position of first public message in PDSCH resources of first kind UE, that is, the first public message exist The original position and number of the PRB taken in PDSCH resources.

Part I DCI can also include a PUCCH power control fields, similar in the public DCI of prior art PUCCH power control fields, a PUCCH power control fields can serve to indicate that the bit number of the transmission block that base station sends to first kind UE The number of corresponding PRB.

Part I DCI can also include modulation and encoding scheme（Modulation and Coding Scheme, MCS） Field, MCS fields can serve to indicate that the modulation system that used the first public message and the second public message and to The corresponding index of transmission block that one class UE and Equations of The Second Kind UE send.

Additionally, Part I DCI can also be including the field that other are used in the public DCI of prior art, such as lattice Formula 0 and 1A distinctive mark fields, virtual resource blocks distribution type identification field and new data indication field etc., these fields are determined Justice can refer to prior art, and in order to avoid repeating, here is omitted.

Part II DCI can include the second downlink resource block allocation field, and the second downlink resource block allocation field can be with For second public message of the indicator for Equations of The Second Kind UE the PRB of PDSCH resource occupation number.For example, second is descending The length of resource block assignments field can be 2 bits, then can define the second downlink resource block allocation field and second of 2 bits The mapping relations of the resource size that public message takes, as shown in table 1.

The mapping relations of the PRB numbers that the downlink resource allocation field of table 1 second takes with the second public message

Bit is indicated	Bandwidth length
		00	1/4 narrow bandwidth
01	1/2 narrow bandwidth
		10	3/4 narrow bandwidth
11	Narrow bandwidth

Wherein, narrow bandwidth can represent the bandwidth that Equations of The Second Kind UE can be supported, it is also possible to refer to total PRB's of reception Number.

It should be noted that the example of above-mentioned table 1 is intended merely to help those skilled in the art to more fully understand the embodiment of the present invention, And the scope of the unrestricted embodiment of the present invention.For example, the length of the second downlink resource block allocation field can also be other bits Other mappings are can also be between the number of the PRB that number, the second downlink resource block allocation field and the second public message take Relation, the embodiment of the present invention is not limited this.

Additionally, original position of second public message in PDSCH resources can be determined by different modes, and nothing Need to be indicated in public DCI, can so be saved the expense of public DCI.

Alternatively, position of second public message in PDSCH resources can be with the first public message in PDSCH resources Position be adjacent, the original position of the PRB of occupancy can be the PRB that the first public message takes in PDSCH resources The position of the next PRB of end position.

Illustrate with reference to specific example.Fig. 4 is the first public message according to an embodiment of the invention and Mapping graph of two public messages in PDSCH resources.In the diagram, LTE versions are described（Release）In 8 systems first is public The common position relationship of message and the second public message in PDSCH resources.So, without the need for referring to Equations of The Second Kind UE in public DCI Show the original position of the PRB that the second public message takes in PDSCH resources, so as to save the expense of public DCI.

Alternatively, original position of second public message in PDSCH resources can be predefined.Such as, second is public Altogether the original position of the PRB that message takes in PDSCH resources can be indicated by system information or RRC signaling, Huo Zheke Being position fixed in PDSCH resources, or it can be the start bit of special subbands of the Equations of The Second Kind UE in PDSCH resources Put, or can be at a distance of the position of fixed frequency offset with the original position of special subband.Enter below in conjunction with specific example Row explanation.Fig. 5 is the first public message according to another embodiment of the present invention and the second public message reflecting in PDSCH resources Penetrate figure.

In fig. 5, it is assumed that original position of second public message in PDSCH resources is Equations of The Second Kind UE in PDSCH resources In special subband original position.The position of special subband can be determined by modes such as high-level signaling instruction or frequency hoppings 's.So, the starting without the need for the PRB that the second public message takes in PDSCH resources is indicated to Equations of The Second Kind UE in public DCI Position, so as to save the expense of public DCI.

302, the public DCI that base station generates in first kind UE and Equations of The Second Kind UE forwarding steps 301, and it is public first The first public message is sent in the resource that message takes and in the resource that the second public message takes to second to first kind UE Class UE sends the second public message.

303, first kind UE detects according to the public DCI in step 302 in the resource shared by the first public message One public message.

Specifically, the Part I DCI that first kind UE can be in public DCI, shared by the first public message The first public message is detected in resource.For example, first kind UE can determine that first is public according to the first downlink resource block allocation field The original position and number of the PRB that common message takes in PDSCH resources.First kind UE can determine first according to MCS fields The modulation system of public message and base station are sent to the corresponding index of transmission block of oneself.First kind UE can be with according to first PUCCH power controls field and MCS fields, determine the bit number of transmission block.First kind UE detects the concrete of the first public message Operating process is referred to prior art, and in order to avoid repeating, here is omitted.

304, Equations of The Second Kind UE detect according to the public DCI in step 302 in the resource shared by the second public message Two class public messages.

Specifically, Equations of The Second Kind UE can be in public DCI Part I DCI and Part II DCI, it is public second Public message is detected in resource shared by message.

For example, Equations of The Second Kind UE can determine what the first public message took in PDSCH resources according to Part I DCI The end position of PRB, the position of the next PRB of end position is taken as the second public message in PDSCH resources The original position of PRB.The then original position of the PRB that Equations of The Second Kind UE can take according to the second public message in PDSCH resources And the second downlink resource block allocation field in Part II DCI, is detected in the resource shared by the second public message Two class public messages.

Equations of The Second Kind UE can be to be taken in PDSCH resources according to the second public message PRB original position and The second downlink resource block allocation field in two part DCI, detects that Equations of The Second Kind is public in the resource shared by the second public message Common message, the original position of the PRB that the second public message takes in PDSCH resources can be predefined.Specific descriptions can With reference to step 301.

Additionally, Equations of The Second Kind UE can determine base station to certainly with the 2nd PUCCH power control fields in Part II DCI The number of the corresponding PRB of transmission block that oneself sends.Can be according to the MCS fields of Part I DCI, determining the second public message Modulation system and the corresponding index of transmission block.Furthermore it is also possible to according to MCS fields and the 2nd PUCCH power control fields, it is determined that The bit number of transmission block.

Equations of The Second Kind UE determines that other related schedule informations of the second public message can refer to existing skill according to Part I DCI Art, in order to avoid repeating, here is omitted.

It should be understood that the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, the execution of each process is suitable Sequence should be determined with its function and internal logic, and should not constitute any restriction to the implementation process of the embodiment of the present invention.For example, walk Rapid 303 can be performed in parallel with step 304 or perform afterwards.

Additionally, public DCI can also include Part III DCI, it is used to represent that the public DCI is indicated in Part III DCI In the case of two public messages, above-mentioned steps 301 to 304 can be performed.

Part III DCI can include the retained bit in the public DCI of prior art.For example, Part III DCI Length can be 1 bit.When value such as in Part III DCI is set to " 0 ", the public DCI in step 301 can be represented Indicate two public messages, that is, the first public message and the second public message, then determine to first kind UE in base station and When Equations of The Second Kind UE sends respectively two classes UE respective public message, the value of Part III DCI can be set to " 0 ".

When the value of Part III DCI is " 1 ", different implications can be predefined as according to practical situation.Such as, the 3rd When the value of part DCI is " 1 ", the public DCI that can represent now can indicate the first public message, that is, now public DCI is used by first kind UE.Therefore when base station determines and only sends the first public message to first kind UE, can be by Part III The value of DCI is set to " 1 ", and first kind UE detects the first public message according to public DCI now, and detailed process can refer to existing Technology, in order to avoid repeating, here is omitted.Additionally, when the value of Part III DCI is " 1 ", also may indicate that public affairs now Common DCI indicates the public message received jointly by first kind UE and Equations of The Second Kind UE.Therefore determine to first kind UE in base station When sending identical public message with Equations of The Second Kind UE, the value of Part III DCI can be set to " 1 ", first kind UE and second Class UE can respectively detect identical public message according to public DCI now, and detailed process can refer to prior art, in order to keep away Exempt to repeat, here is omitted.

Fig. 6 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.The method of Fig. 6 is performed by UE, For example can be first kind UE or Equations of The Second Kind UE.

610, the public DCI scrambled by identifier is received, the public DCI is used to indicate to be directed to UE in PDSCH resources Public message shared by resource.

620, when it is determined that the identifier corresponds to the identifier of the UE, according to the public DCI, shared by public message The public message of the UE is detected in resource.

Specifically, when first kind UE or Equations of The Second Kind UE determine that the identifier corresponds to the identifier of oneself classification, root According to the public DCI, the public message of the UE is detected in the resource shared by public message.It is, the method is by the first kind When UE is performed, first kind UE can detect the public message of oneself in the resource according to shared by the public DCI is in public message. When the method is performed by Equations of The Second Kind UE, Equations of The Second Kind UE can be detected in the resource according to shared by the public DCI is in public message The public message of oneself.

It should be understood that in the embodiment of the present invention, the classification of UE can be the ability classification of UE, you being the ability according to UE Divided.Such as, first kind UE and Equations of The Second Kind UE can be divided into.First kind UE can have higher receiving ability, can To be referred to as ability UE, the downlink data of full frequency band bandwidth can be received.Equations of The Second Kind UE has relatively low receiving ability, can claim For capabilities UE, data that can only be in receiving portion bandwidth, it is impossible to receive the data of full frequency band bandwidth.First kind UE and Equations of The Second Kind UE can also be what is divided according to other attribute informations of UE, and the embodiment of the present invention is not construed as limiting to this.

Alternatively, as one embodiment, when identifier corresponds to first kind UE, identifier can include system message Radio network temporary identifier（System Information-Radio Network Temporary Identifier, SI- RNTI）, pager wireless net network temporary identifier（Paging-Radio Network Temporary Identifier, P- RNTI）Or accidental access response radio network temporary identifier（Random Access Response-Radio Network Temporary Identifier, RAR-RNTI）.

Alternatively, as another embodiment, when identifier corresponds to Equations of The Second Kind UE, identifier can include Equations of The Second Kind system System messaging wireless network temporary identifier（Second System Information-Radio Network Temporary Identifier, SSI-RNTI）, Equations of The Second Kind pager wireless net network temporary identifier（Second Paging-Radio Network Temporary Identifier, SP-RNTI）Or Equations of The Second Kind accidental access response radio network temporary identifier（Second Random Access Response-Radio Network Temporary Identifier, SRAR-RNTI）.It should be understood that These identifiers are the identifiers of new definition, different from the identifier of the scrambling of prior art, in order to corresponding to the The identifier of one class UE makes a distinction, and those skilled in the art obviously can be changed corresponding to Equations of The Second Kind according to the above embodiments The title of the identifier of UE, such modification is equally fallen within the scope of the embodiment of the present invention.

In the embodiment of the present invention, public DCI for first kind UE and for Equations of The Second Kind UE public DCI respectively by difference Identifier scrambling, therefore, first kind UE or Equations of The Second Kind UE are received after public DCI, when it is determined that the mark scrambled to the public DCI When symbol corresponds to the identifier of oneself classification, the public message of oneself is detected according to public DCI.

In the embodiment of the present invention, because the identifier scrambled to public DCI corresponds to the classification of UE so that public DCI energy Enough corresponding to different classes of UE, therefore in the case of public message of the base station transmission for different classes of UE, inhomogeneity Other UE can detect corresponding public message according to respective public DCI such that it is able to improve the efficiency of transmission of public message.

Fig. 7 is the indicative flowchart of the method for transmission DCI according to embodiments of the present invention.The method of Fig. 7 is held by base station OK.

710, the public DCI scrambled by identifier is generated, the identifier corresponds to the classification of UE, and the identifier is used to indicate The public DCI belongs to the UE, and the public DCI is used for instruction and is directed in PDSCH resources shared by the public message of the UE Resource.

Alternatively, as one embodiment, identifier correspond to the first kind UE when, identifier can include SI-RNTI, P-RNTI or RAR-RNTI.

Alternatively, as another embodiment, when identifier corresponds to Equations of The Second Kind UE, identifier can include SSI- RNTI, SP-RNTI or SRAR-RNTI.It should be understood that these identifiers are the identifiers of new definition, adding different from prior art The identifier disturbed, in order to make a distinction corresponding to the identifier of first kind UE, those skilled in the art obviously can be with The title of the identifier corresponding to Equations of The Second Kind UE is changed according to the above embodiments, such modification equally falls into enforcement of the present invention Within the scope of example.

720, the public DCI is sent to the UE, and send public disappearing to the UE in the resource shared by public message Breath.

Base station can generate and be added by the identifier corresponding to the first kind UE when it is determined that sending public message to first kind UE The public DCI for disturbing, by the public message of the public DCI indicators to first kind UE.Base station to Equations of The Second Kind UE it is determined that send public Altogether during message, the public DCI scrambled by the identifier corresponding to Equations of The Second Kind UE can be generated, by the public DCI indicators to the The public message of two classes UE.So, first kind UE and Equations of The Second Kind UE can respectively receive the public DCI corresponding to oneself, so as to Detect the public message of oneself according to public DCI respectively.

In the embodiment of the present invention, because the identifier scrambled to public DCI corresponds to the classification of UE so that public DCI energy It is enough to transmit respectively indicated by the public DCI corresponding to different classes of UE corresponding to different classes of UE, therefore base station Public message such that it is able to improve the efficiency of transmission of public message.

Fig. 8 is the schematic block diagram of user equipment according to embodiments of the present invention.The user equipment 800 of Fig. 8 includes receiving single Unit 810 and detector unit 820.Receiving unit 810 and detector unit 820 can be particularly located in a processor of user equipment 800.

Receiving unit 810 receives public DCI from base station, and the public DCI is used to indicate to be directed to the first kind in PDSCH resources Resource shared by first public message of UE and for Equations of The Second Kind UE the second public message shared by resource.Detector unit 820 according to the public DCI, the first public message is detected in the resource shared by the first public message or in the second public message The second public message is detected in shared resource.

It is due to two public messages of the public DCI indicators to two classes UE therefore public at two in the embodiment of the present invention In the case that message is transmitted respectively, two classes UE can respectively detect respective public message according to the public DCI such that it is able to carry The efficiency of transmission of high public message.

Other functions of user equipment 800 are related to the mistake of UE with operating in the embodiment of the method that can refer to Fig. 1 above and Fig. 3 Journey, in order to avoid repeating, here is omitted.

Alternatively, as one embodiment, public DCI can include Part I DCI and Part II DCI, first DCI is divided to include the first downlink resource block allocation field, the first downlink resource block allocation field disappear for instruction first to be public The original position and number of the PRB that breath takes in PDSCH resources.Part II DCI can be including the second downlink resource block point With field, the second downlink resource block allocation field is used to indicate the number of the PRB that the second public message takes in PDSCH resources Mesh.

Alternatively, as another embodiment, when user equipment 800 is Equations of The Second Kind UE, detector unit 820 can be according to first Downlink resource block allocation field, determines the end position of the PRB that the first public message takes in PDSCH resources, and this is tied The original position of the PRB that the position of the next PRB of beam position takes as the second public message in PDSCH resources, according to The original position and the second public message of the PRB that the second public message takes in PDSCH resources takes in PDSCH resources PRB number, the second public message is detected in the resource shared by the second public message.

Alternatively, as another embodiment, when user equipment 800 is Equations of The Second Kind UE, detector unit 820 can be public according to second The PRB that altogether original position and the second public message of the PRB that message takes in PDSCH resources takes in PDSCH resources Number, the second public message is detected in the resource shared by the second public message, the second public message is in PDSCH resources The original position of the PRB of occupancy can be predefined.

Alternatively, as another embodiment, the original position of the PRB that the second public message takes in PDSCH resources can Being indicated by system information or RRC signaling, or can be position fixed in PDSCH resources, or can be second The original position of special subband of class UE in PDSCH resources, or can be fixed apart with the original position of special subband The position of frequency offset.

Alternatively, as another embodiment, above-mentioned Part II DCI can be special by Equations of The Second Kind UE.

Alternatively, as another embodiment, public DCI may also include Part III DCI, and Part III DCI can be used for Represent that the public DCI indicates two public messages.

Fig. 9 is the schematic block diagram of base station according to embodiments of the present invention.The base station 900 of Fig. 9 includes signal generating unit 910 and sends out Send unit 920.Signal generating unit 910 and transmitting element 920 can be particularly located in a processor of base station 900.

Signal generating unit 910 generates public DCI, and public DCI is used to indicate first for first kind UE in PDSCH resources Resource shared by public message and for Equations of The Second Kind UE the second public message shared by resource.Transmitting element 920 is to One class UE and Equations of The Second Kind UE send the public DCI, and send to first kind UE in the resource shared by the first public message First public message sends the second public message in the resource shared by the second public message to Equations of The Second Kind UE.

Other functions of base station 900 are related to the mistake of base station with operating in the embodiment of the method that can refer to Fig. 2 above and Fig. 3 Journey, in order to avoid repeating, here is omitted.

Alternatively, as another embodiment, public DCI may also include Part III DCI, and Part III DCI is used to represent Public DCI indicates two public messages.

Figure 10 is the schematic block diagram of user equipment according to embodiments of the present invention.The user equipment 1000 of Figure 10 includes receiving Unit 1010 and detector unit 1020.Receiving unit 1010 and detector unit 1020 can be particularly located at the one of user equipment 1000 In reason device.

Receiving unit 1010 receives the public DCI scrambled by identifier, and the public DCI is used to indicate in PDSCH resources The resource being directed to shared by the public message of UE.When detector unit 1020 determines that the identifier corresponds to the identifier of UE When, according to the public DCI, the public message of the UE is detected in the resource shared by public message.

Other functions of user equipment 1000 and operation can refer to the process for being related to UE in the embodiment of the method for Fig. 6 above, In order to avoid repeating, here is omitted.

Alternatively, as one embodiment, when identifier corresponds to first kind UE, identifier may include SI-RNTI, P- RNTI or RAR-RNTI.Or when identifier correspond to Equations of The Second Kind UE when, identifier may include SSI-RNTI, SP-RNTI or SRAR-RNTI。

Figure 11 is the schematic block diagram of base station according to embodiments of the present invention.The base station 1100 of Figure 11 includes signal generating unit 1110 With transmitting element 1120.Signal generating unit 1110 and transmitting element 1120 can be particularly located in a processor of base station 1100.

Signal generating unit 1110 generates the public DCI scrambled by identifier, and the identifier corresponds to the classification of UE, the identifier For indicating that the public DCI belongs to UE, the public DCI is used for the public message institute for indicating to be directed to the UE in PDSCH resources The resource of occupancy.Transmitting element 1120 to the UE sends the public DCI, and in the resource shared by public message to the UE Send public message.

Other functions of base station 1100 and operation can refer to the process for being related to base station in the embodiment of the method for Fig. 7 above, be Avoid repeating, here is omitted.

Those of ordinary skill in the art are it is to be appreciated that the list of each example with reference to the embodiments described herein description Unit and algorithm steps, being capable of being implemented in combination in electronic hardware or computer software and electronic hardware.These functions are actually Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel Each specific application can be used different methods to realize described function, but this realization it is not considered that exceeding The scope of the present invention.

Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.

In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, can be with Realize by another way.For example, device embodiment described above is only schematic, for example, the unit Divide, only a kind of division of logic function can have other dividing mode, such as multiple units or component when actually realizing Can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit Close or communicate to connect, can be electrical, mechanical or other forms.

The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can according to the actual needs be selected to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.

If the function is realized and as independent production marketing or when using using in the form of SFU software functional unit, can be with In being stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment（Can be individual People's computer, server, or network equipment etc.）Perform all or part of step of each embodiment methods described of the invention. And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory（ROM, Read-Only Memory）, random access memory deposits Reservoir（RAM, Random Access Memory）, magnetic disc or CD etc. are various can be with the medium of store program codes.

The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.

Claims

1. it is a kind of transmission Downlink Control Information method, it is characterised in that include：

Common downlink control information DCI is received from base station, the public DCI is used to indicate in Physical Downlink Shared Channel PDSCH In resource for first kind user equipment (UE) the first public message shared by resource and for the second public of Equations of The Second Kind UE Resource shared by message, the public DCI includes that Part I DCI and Part II DCI, the Part I DCI include First downlink resource block allocation field, the first downlink resource block allocation field is used to indicate first public message in institute The original position and number of the PRB taken in PDSCH resources are stated, the Part II DCI distributes including the second downlink resource block Field, the second downlink resource block allocation field is used to indicate the thing that second public message takes in PDSCH resources The number of reason Resource Block PRB；

According to the public DCI, detect in the resource shared by first public message first public message or Second public message is detected in resource shared by second public message.

2. method according to claim 1, it is characterised in that when methods described is performed by the Equations of The Second Kind UE, described According to the public DCI, second public message is detected in the resource shared by second public message, including：

According to the first downlink resource block allocation field, determine that first public message takes in the PDSCH resources PRB end position, and using the position of the next PRB of the end position as second public message in PDSCH The original position of the PRB taken in resource；

The original position of the PRB taken in PDSCH resources according to second public message and second public message The number of the PRB taken in PDSCH resources, detects that described second is public in the resource shared by second public message Message.

3. method according to claim 1, it is characterised in that when methods described is performed by the Equations of The Second Kind UE,

It is described that second public message is detected in the resource shared by second public message according to the public DCI, Including：

The original position of the PRB taken in the PDSCH resources according to second public message and described second public The number of the PRB that message takes in the PDSCH resources, detects described in the resource shared by second public message Second public message, the original position of the PRB that second public message takes in the PDSCH resources is predefined.

4. method according to claim 3, it is characterised in that second public message is accounted in the PDSCH resources The original position of PRB is indicated by system information or radio resource control RRC signaling, or the PDSCH resources The position of middle fixation, or the original position of special subbands of the Equations of The Second Kind UE in the PDSCH resources, or with The original position of the special subband is at a distance of the position of fixed frequency offset.

5. method according to any one of claim 1 to 4, it is characterised in that the Part II DCI is by described second Class UE is special.

6. method according to any one of claim 1 to 4, it is characterised in that the public DCI also includes Part III DCI, the Part III DCI are used to represent that the public DCI indicates two public messages.

7. it is a kind of transmission Downlink Control Information method, it is characterised in that include：

Common downlink control information DCI is generated, the public DCI is used to indicate in Physical Downlink Shared Channel PDSCH resources For first kind user equipment (UE) the first public message shared by resource and the second public message institute for Equations of The Second Kind UE The resource of occupancy, the public DCI includes that Part I DCI and Part II DCI, the Part I DCI are included under first Row resource block assignments field, the first downlink resource block allocation field is used to indicate first public message described The original position and number of the PRB taken in PDSCH resources, the Part II DCI includes that the second downlink resource block distributes word Section, the second downlink resource block allocation field is used to indicate the physics that second public message takes in PDSCH resources The number of Resource Block PRB；

The public DCI is sent to first kind UE and the Equations of The Second Kind UE, and shared by first public message Resource in send first public message or in the resource shared by second public message to the to first kind UE Two classes UE send second public message.

8. method according to claim 7, it is characterised in that first public message is accounted in the PDSCH resources The position of the next PRB of the end position of PRB is the PRB that second public message takes in PDSCH resources Original position；Or

The original position of the PRB that second public message takes in the PDSCH resources is predefined, wherein described The original position of the PRB that two public messages take in the PDSCH resources is believed by system information or radio resource control RRC What order was indicated, or position fixed in the PDSCH resources, or the Equations of The Second Kind UE is in the PDSCH resources Special subband original position, or with the original position of the special subband at a distance of the position of fixed frequency offset.

9. the method according to claim 7 or 8, it is characterised in that the Part II DCI is special by the Equations of The Second Kind UE With.

10. the method according to claim 7 or 8, it is characterised in that the public DCI also includes Part III DCI, institute Part III DCI is stated for representing that the public DCI indicates two public messages.

A kind of 11. methods of transmission Downlink Control Information, it is characterised in that include：

Common downlink control information DCI scrambled by identifier is received, the public DCI is used to indicate letter shared in physical down The resource being directed in road PDSCH resources shared by the public message of first kind user equipment (UE) or Equations of The Second Kind UE, wherein, correspondence Include that system message radio network temporary identifier SI-RNTI, pager wireless net network are interim in the identifier of first kind UE Identifier P-RNTI or accidental access response radio network temporary identifier RAR-RNTI, corresponding to the mark of the Equations of The Second Kind UE Symbol includes Equations of The Second Kind system message radio network temporary identifier SSI-RNTI, Equations of The Second Kind pager wireless net network temporary identifier SP-RNTI or Equations of The Second Kind accidental access response radio network temporary identifier SRAR-RNTI；

When it is determined that the identifier corresponds to the identifier of first kind UE, according to the public DCI, described public The public message of first kind UE is detected in resource shared by message, or

When it is determined that the identifier corresponds to the identifier of the Equations of The Second Kind UE, according to the public DCI, described public The public message of the Equations of The Second Kind UE is detected in resource shared by message.

A kind of 12. methods of transmission Downlink Control Information, it is characterised in that include：

Common downlink control information DCI scrambled by identifier is generated, the identifier corresponds to the classification of user equipment (UE), institute Identifier is stated for indicating that the public DCI belongs to the UE, the public DCI is used to indicate in Physical Downlink Shared Channel The resource being directed in PDSCH resources shared by the public message of the UE, wherein, include corresponding to the identifier of first kind UE System message radio network temporary identifier SI-RNTI, pager wireless net network temporary identifier P-RNTI or accidental access response Radio network temporary identifier RAR-RNTI, faces corresponding to the identifier of Equations of The Second Kind UE including Equations of The Second Kind system message wireless network When identifier SSI-RNTI, Equations of The Second Kind pager wireless net network temporary identifier SP-RNTI or Equations of The Second Kind accidental access response it is wireless Network Temporary Identifier SRAR-RNTI；

The public DCI is sent to the UE, and sends described to the UE in the resource shared by the public message Public message.

13. a kind of user equipmenies, it is characterised in that include：

Receiving unit, for receiving common downlink control information DCI from base station, the public DCI is used to indicate in physical down In shared channel PDSCH resource for first kind user equipment (UE) the first public message shared by resource and for Equations of The Second Kind Resource shared by second public message of UE, the public DCI include Part I DCI and Part II DCI, described first Part DCI includes the first downlink resource block allocation field, and the first downlink resource block allocation field is used to indicate described first The original position and number of the PRB that public message takes in the PDSCH resources, the Part II DCI is included under second Row resource block assignments field, the second downlink resource block allocation field is used to indicate that second public message is provided in PDSCH The number of the Physical Resource Block PRB taken in source；

Detector unit, for according to the public DCI, in the resource shared by first public message described first being detected Public message detects second public message in the resource shared by second public message.

14. user equipmenies according to claim 13, it is characterised in that when the user equipment is the Equations of The Second Kind UE,

The detector unit is specifically for according to the first downlink resource block allocation field, determining that first public message exists The end position of the PRB taken in the PDSCH resources, and using the position of the next PRB of the end position as described The original position of the PRB that the second public message takes in PDSCH resources；According to second public message in PDSCH resources The number of the PRB that the original position of the PRB of middle occupancy and second public message take in PDSCH resources, described Second public message is detected in resource shared by second public message.

15. user equipmenies according to claim 13, it is characterised in that when the user equipment is the Equations of The Second Kind UE,

The starting of PRB of the detector unit specifically for being taken in the PDSCH resources according to second public message The number of the PRB that position and second public message take in the PDSCH resources, in the second public message institute Second public message is detected in the resource of occupancy, the PRB's that second public message takes in the PDSCH resources Original position is predefined.

16. user equipmenies according to claim 15, it is characterised in that second public message is provided in the PDSCH The original position of the PRB taken in source is indicated by system information or radio resource control RRC signaling, or described Fixed position in PDSCH resources, or the start bit of special subbands of the Equations of The Second Kind UE in the PDSCH resources Put, or with the original position of the special subband at a distance of the position of fixed frequency offset.

17. user equipmenies according to any one of claim 13 to 16, it is characterised in that the Part II DCI by The Equations of The Second Kind UE is special.

18. user equipmenies according to any one of claim 13 to 16, it is characterised in that the public DCI also includes Part III DCI, the Part III DCI are used to represent that the public DCI indicates two public messages.

19. a kind of base stations, it is characterised in that include：

Signal generating unit, for generating common downlink control information DCI, the public DCI is used in Physical Downlink Shared Channel Instruction in PDSCH resources is directed to the resource shared by the first public message of first kind user equipment (UE) and for Equations of The Second Kind UE's Resource shared by second public message, the public DCI includes Part I DCI and Part II DCI, the Part I DCI includes the first downlink resource block allocation field, and the first downlink resource block allocation field is used to indicate that described first is public The original position and number of the PRB that message takes in the PDSCH resources, the Part II DCI includes the second descending money Source block allocation field, the second downlink resource block allocation field is used to indicate second public message in PDSCH resources The number of the Physical Resource Block PRB of occupancy；

Transmitting element for sending the public DCI and public described first to first kind UE and the Equations of The Second Kind UE Send first public message or shared by second public message to first kind UE in the resource shared by message altogether Resource in send second public message to Equations of The Second Kind UE.

20. base stations according to claim 19, it is characterised in that first public message is in the PDSCH resources The position of the next PRB of the end position of the PRB of occupancy is the PRB that second public message takes in PDSCH resources Original position；Or

21. base stations according to claim 19 or 20, it is characterised in that the Part II DCI is by the Equations of The Second Kind UE It is special.

22. base stations according to claim 19 or 20, it is characterised in that the public DCI also includes Part III DCI, The Part III DCI is used to represent that the public DCI indicates two public messages.

23. a kind of user equipmenies, it is characterised in that include：

Receiving unit, for receiving common downlink control information DCI scrambled by identifier, the public DCI is used to indicate It is directed in Physical Downlink Shared Channel PDSCH resources shared by the public message of first kind user equipment (UE) or Equations of The Second Kind UE Resource, wherein, include system message radio network temporary identifier SI-RNTI, seek corresponding to the identifier of first kind UE Radio network temporary identifier P-RNTI or accidental access response radio network temporary identifier RAR-RNTI is exhaled, corresponding to described The identifier of Equations of The Second Kind UE includes Equations of The Second Kind system message radio network temporary identifier SSI-RNTI, Equations of The Second Kind pager wireless net Network temporary identifier SP-RNTI or Equations of The Second Kind accidental access response radio network temporary identifier SRAR-RNTI；

Detector unit, for when it is determined that the identifier corresponds to the identifier of first kind UE, according to described public DCI, detects the public message of first kind UE in the resource shared by the public message, or

24. a kind of base stations, it is characterised in that include：

Signal generating unit, for generating common downlink control information DCI scrambled by identifier, the identifier sets corresponding to user The classification of standby UE, the identifier is used to indicate that the public DCI belongs to the UE that the public DCI to be used to indicate in physics The resource being directed in DSCH Downlink Shared Channel PDSCH resources shared by the public message of the UE, wherein, corresponding to first kind UE Identifier include system message radio network temporary identifier SI-RNTI, pager wireless net network temporary identifier P-RNTI or Accidental access response radio network temporary identifier RAR-RNTI, disappears corresponding to the identifier of Equations of The Second Kind UE including Equations of The Second Kind system Breath radio network temporary identifier SSI-RNTI, Equations of The Second Kind pager wireless net network temporary identifier SP-RNTI or Equations of The Second Kind are random Access response radio network temporary identifier SRAR-RNTI；

Transmitting element, for sending the public DCI to the UE, and to institute in the resource shared by the public message State UE and send the public message.