CN103427970A

CN103427970A - Method, user equipment and base station for transmitting downlink control information

Info

Publication number: CN103427970A
Application number: CN201210161411XA
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: 2013-12-04
Anticipated expiration: 2032-05-23
Also published as: CN103427970B; 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

Method, subscriber equipment and the base station of transmission Downlink Control Information

Technical field

The present invention relates to the communications field, and particularly, relate to method, subscriber equipment and the base station of transmitting Downlink Control Information.

Background technology

Resource in Long Term Evolution (Long Term Evolution, LTE) system is distributed by evolved base station (evolved NodeB, eNB) United Dispatching.If base station has downlink data will send to subscriber equipment (User Equipment, UE), need to be at a Transmission Time Interval (Transmission Time Interval, TTI) in, by the downlink data sign map on running time-frequency resource, and send Downlink Control Information (Downlink Control Information, DCI) in current subframe, be used to indicate the position of downlink data on running time-frequency resource and the schedule informations such as modulation coding mode of data.The private downlink data of only having a UE to receive and to detect in a TTI are indicated by special-purpose DCI.The common downlink data that received and detected by a plurality of UE in a TTI are indicated by public DCI, the common downlink data also can be called public message, can comprise beep-page message, system information (System Information, SI) or accidental access response message (Random Access Response, RAR) etc.

Due to the receiving ability difference of a plurality of UE, for the UE that guarantees different receiving abilities can receive public message, the bandwidth that base station takies when sending public message can not surpass the receiving ability of the UE that ability is lower.Cause the efficiency of transmission of public message low.How the UE of different abilities receives public message under the prerequisite that improves as far as possible efficiency of transmission just becomes a problem.

Summary of the invention

The embodiment of the present invention provides method, subscriber equipment and the base station of transmission Downlink Control Information, makes two class UE to detect respectively public message separately according to public DCI.

On the one hand, a kind of method of transmitting Downlink Control Information is provided, comprise: receive common downlink control information DCI from base station, this public DCI is used to indicate in Physical Downlink Shared Channel PDSCH resource the resource shared for the first public message of first kind user equipment (UE) and the shared resource for the second public message of Equations of The Second Kind UE; According to this public DCI, detect this first public message in shared resource at this first public message or this second public message in shared resource at this second public message.

On the other hand, a kind of method of transmitting Downlink Control Information is provided, comprise: generate common downlink control information DCI, this public DCI for the resource shared for the first public message of first kind user equipment (UE) in the indication of Physical Downlink Shared Channel PDSCH resource and for the second public message of Equations of The Second Kind UE shared resource; Send this public DCI to this first kind UE and this Equations of The Second Kind UE, and shared resource sends this first public message or shared resource sends this second public message to Equations of The Second Kind UE at the second public message to first kind UE at the first public message.

On the other hand, a kind of method of transmitting Downlink Control Information is provided, comprise: receive the common downlink control information DCI by the identifier scrambling, this public DCI is used to indicate the shared resource of public message that is directed to user equipment (UE) in Physical Downlink Shared Channel PDSCH resource; When determining that this identifier is the identifier corresponding to this UE, according to this public DCI, detect the public message of this UE in shared resource at this public message.

On the other hand, a kind of method of transmitting Downlink Control Information is provided, comprise: generate the common downlink control information DCI by the identifier scrambling, this identifier is corresponding to the classification of user equipment (UE), this identifier is used to indicate this public DCI and belongs to this UE, and this public DCI is used to indicate the shared resource of public message that is directed to this UE in Physical Downlink Shared Channel PDSCH resource; Send this public DCI to this UE, and shared resource sends this public message to this UE at this public message.

On the other hand, a kind of subscriber equipment is provided, comprise: receiving element, for receive common downlink control information DCI from base station, this public DCI is used to indicate in Physical Downlink Shared Channel PDSCH resource the resource shared for the first public message of first kind user equipment (UE) and the shared resource for the second public message of Equations of The Second Kind UE; Detecting unit, for according to this public DCI, detect this first public message at this first public message in shared resource or this second public message in shared resource at this second public message.

On the other hand, a kind of base station is provided, comprise: generation unit, for generating common downlink control information DCI, this public DCI for the resource shared for the first public message of first kind user equipment (UE) in the indication of Physical Downlink Shared Channel PDSCH resource and for the second public message of Equations of The Second Kind UE shared resource; Transmitting element, for to this first kind UE and this Equations of The Second Kind UE, sending this public DCI, and shared resource sends this first public message or shared resource sends this second public message to Equations of The Second Kind UE at the second public message to first kind UE at the first public message.

On the other hand, a kind of subscriber equipment is provided, comprise: receiving element, for receiving the common downlink control information DCI by the identifier scrambling, this public DCI is used to indicate the shared resource of public message that is directed to user equipment (UE) in Physical Downlink Shared Channel PDSCH resource; Detecting unit, for when determining that this identifier is the identifier corresponding to this UE, according to this public DCI, detect the public message of this UE in shared resource at this public message.

On the other hand, a kind of base station is provided, comprise: generation unit, for generating the common downlink control information DCI by the identifier scrambling, this identifier is corresponding to the classification of user equipment (UE), this identifier is used to indicate this public DCI and belongs to this UE, and this public DCI is used to indicate the shared resource of public message that is directed to this UE in Physical Downlink Shared Channel PDSCH resource; Transmitting element, for send this public DCI to this UE, and shared resource sends this public message to this UE at this public message.

In the embodiment of the present invention, due to two public messages of public DCI pointer to two class UE, therefore at this public DCI of base-station transmission during indicated two public messages, two class UE can detect respectively public message separately according to this public DCI, thereby can improve the efficiency of transmission of public message.

The accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below will the accompanying drawing of required use in the embodiment of the present invention be briefly described, apparently, below described accompanying drawing be only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

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

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

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

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

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

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

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

Fig. 8 is the schematic block diagram according to the subscriber equipment of the embodiment of the present invention.

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

Figure 10 is the schematic block diagram according to the subscriber equipment of the embodiment of the present invention.

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

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 clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.

Technical scheme of the present invention, can be applied to various communication systems, for example: global system for mobile communications (Global System of Mobile communication, GSM), code division multiple access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access Wireless, WCDMA), GPRS (General Packet Radio Service, GPRS), LTE etc.

UE also can be referred to as mobile terminal (Mobile Terminal, MT), mobile subscriber equipment etc., can be through wireless access network (for example, Radio Access Network, RAN) communicate with one or more core net, subscriber equipment can be mobile terminal, as mobile phone (or being called " honeycomb " phone) with have the computer of mobile terminal, for example, can be portable, pocket, hand-hold type, mobile device built-in computer or vehicle-mounted.

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

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

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

It should be noted that in the embodiment of the present invention, first kind UE and Equations of The Second Kind UE are divided according to the ability of UE, and for example first kind UE can have higher receiving ability, can be called high ability UE, can receive the downlink data of full frequency band bandwidth.Equations of The Second Kind UE has lower receiving ability, can be called low ability UE, and the data in can only the receiving unit bandwidth can't receive the data of full frequency band bandwidth.First kind UE and Equations of The Second Kind UE are divided according to other attribute information of UE, and the embodiment of the present invention is not construed as limiting this.

In the embodiment of the present invention, this public DCI indication in the PDSCH resource for the first public message of first kind UE shared resource and in the PDSCH resource for the second public message of Equations of The Second Kind UE shared resource, namely by a public DCI can pointer to two public messages of two class UE, can improve resource utilization like this.

Alternatively, as an embodiment, public DCI can comprise the DCI of first and second portion DCI, the DCI of first comprises the first downlink resource piece allocation field, and the first downlink resource piece allocation field is used to indicate original position and the number of the PRB that the first public message takies in the PDSCH resource.Second portion DCI comprises the second downlink resource piece allocation field, and the second downlink resource piece allocation field is used to indicate the number of the Physical Resource Block (Physical Resource Block, PRB) that the second public message takies in the PDSCH resource.

Alternatively, as another embodiment, second portion DCI can be by Equations of The Second Kind UE special use.The DCI of first can be used jointly by first kind UE and Equations of The Second Kind UE, like this can saving resource.

Alternatively, as another embodiment, public DCI can also comprise third part DCI, and third part DCI can be for meaning two public messages of this public DCI indication.

For example, third part DCI can also mean first public message of public DCI pointer to first kind UE, and at this moment public DCI is used by first kind UE.First kind UE can detect according to this public DCI the first public message of oneself, and now public DCI can comprise the field be used in the public DCI of prior art, and the definition of each field is similar to prior art, for fear of repetition, repeats no more herein.In addition, this third part DCI can also mean a public message of public DCI indication, first kind UE and Equations of The Second Kind UE will receive this public message, namely first kind UE and Equations of The Second Kind UE will receive identical public message, now, this public DCI can comprise the field be used in the public DCI of prior art, first kind UE and Equations of The Second Kind UE all detect the public message of this public DCI indication according to this public DCI, detailed process can be with reference to prior art, for fear of repetition, repeat no more herein.

120, according to this public DCI, detect the first public message at the first public message in shared resource or detect the second public message at the second public message in shared resource.

When the method is carried out by first kind UE, first kind UE can be according to public DCI, at the first public message, in shared resource, detects the first public message.Particularly, first kind UE can detect the first public message according to the DCI of first.

When the method is carried out by Equations of The Second Kind UE, Equations of The Second Kind UE can be according to public DCI, at the second public message, in shared resource, detects the second public message.Particularly, Equations of The Second Kind UE can detect the second public message according to the DCI of first and second portion DCI.

Alternatively, as another embodiment, Equations of The Second Kind UE can be according to the first downlink resource piece allocation field, determine the end position of the PRB that the first public message takies in the PDSCH resource, and the original position of the PRB that the position of the next PRB of this end position is taken in the PDSCH resource as the second public message, the number of the PRB that the original position of the PRB taken in the PDSCH resource according to the second public message and the second public message take in the PDSCH resource, detect the second public message in shared resource at the second public message.

Particularly, position and the first public message position in PDSCH resource of the second public message in the PDSCH resource can be adjacent, the next PRB that last PRB namely taken in the PDSCH resource with the first public message is adjacent, first PRB that the second public message takies in the PDSCH resource exactly.Like this, without the original position of the PRB that indicates the second public message to take in the PDSCH resource to Equations of The Second Kind UE in public DCI, thus the expense of saving public DCI.

Alternatively, as another embodiment, when the method is carried out by Equations of The Second Kind UE, the number of the PRB that the original position of the PRB that Equations of The Second Kind UE can take according to the second public message in the PDSCH resource and the second public message take in the PDSCH resource, detect the second public message in shared resource at the second public message, the original position of the PRB that the second public message takies in the PDSCH resource can be predefined.

Alternatively, as another embodiment, the predefined original position of the PRB that above-mentioned the second public message takies in the PDSCH resource can be to control (Radio Resource Control by system information or Radio Resource, RRC) signaling is indicated, it can be perhaps position fixing in the PDSCH resource, can be perhaps the original position of the special-purpose subband of Equations of The Second Kind UE in the PDSCH resource, or can be at a distance of position that fixedly frequency domain is offset with the original position of special-purpose subband.

Special-purpose subband can be the subband for the special use of Equations of The Second Kind UE division.For example, Equations of The Second Kind UE is during for low ability UE, the data in can only the receiving unit bandwidth, and such as the data that can only receive 1/4 system bandwidth, this bandwidth of 1/4 can be called the special-purpose subband of low ability UE so.Particular location for special-purpose subband in the whole system bandwidth, the modes such as the high-level signaling that Equations of The Second Kind UE can send by base station or frequency hopping are obtained.Like this, without the original position of the PRB that indicates the second public message to take in the PDSCH resource to Equations of The Second Kind UE in public DCI, thus the expense of saving public DCI.

Fig. 2 is the indicative flowchart according to the method for the transmission DCI of the embodiment of the present invention.The method of Fig. 2 is carried out by base station.

210, generate public DCI, this public DCI is used to indicate in the PDSCH resource resource shared for the first public message of first kind UE and the shared resource for the second public message of Equations of The Second Kind UE.

Alternatively, as an embodiment, public DCI can comprise the DCI of first and second portion DCI, the DCI of first can comprise the first downlink resource piece allocation field, and the first downlink resource piece allocation field is used to indicate original position and the number of the PRB that the first public message takies in the PDSCH resource.Second portion DCI can comprise the second downlink resource piece allocation field, and the second downlink resource piece allocation field is used to indicate the number of the PRB that the second public message takies in the PDSCH resource.。

Alternatively, as another embodiment, the position of the next PRB of the end position of the PRB that the first public message takies in the PDSCH resource can be the original position of the PRB that takies in the PDSCH resource of the second public message.The original position of the PRB that perhaps the second public message takies in the PDSCH resource can be predefined, the original position of the PRB that wherein the second public message takies in the PDSCH resource can be by system information or the indication of RRC signaling, or fixing position in the PDSCH resource, or the original position of the special-purpose subband of Equations of The Second Kind UE in the PDSCH resource, or with the original position of special-purpose subband at a distance of position that fixedly frequency domain is offset.

220, send this public DCI to first kind UE and Equations of The Second Kind UE, and send the first public message or send second public message to Equations of The Second Kind UE at the second public message in shared resource to first kind UE in shared resource at the first public message.

Particularly, if base station is determined to first kind UE and Equations of The Second Kind UE, send respectively two public messages, third part DCI can be for meaning two public messages of this public DCI indication.If base station is only determined, to first kind UE, send for the first public message, third part DCI can mean first public message of public DCI pointer to first kind UE, and at this moment public DCI is used by first kind UE.First kind UE can detect according to this public DCI the first public message of oneself, and now public DCI can comprise the field be used in the public DCI of prior art, and the definition of each field is similar to prior art, for fear of repetition, repeats no more herein.In addition, if determining to first kind UE and Equations of The Second Kind UE, base station sends identical public message, third part DCI can mean a public message of public DCI indication, now, this public DCI can comprise the field be used in the public DCI of prior art, and first kind UE and Equations of The Second Kind UE all detect the public message of this public DCI indication according to this public DCI, and detailed process can be with reference to prior art, for fear of repetition, repeat no more herein.

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

In the embodiment of the present invention, due to two public messages of public DCI pointer to two class UE, so base station can transmit respectively two class UE public message separately, thereby can improve the efficiency of transmission of public message.

Below in conjunction with the detailed embodiment of the present invention of object lesson.

301, base station generates public DCI, this public DCI can indicate in the PDSCH resource resource shared for the first public message of first kind UE and in the PDSCH resource for the second public message of Equations of The Second Kind UE shared resource.

Public DCI can comprise the DCI of first and second portion DCI, and the DCI of first is used to indicate the first public message, and the DCI of first and second portion DCI can be used to indicate the second public message.Therefore, the DCI of first can be shared by first kind UE and Equations of The Second Kind UE, what second portion DCI can be by Equations of The Second Kind UE special use.

The length of this public DCI can be identical with the length of public DCI of the prior art, the DCI of first can comprise the bit be used in the public DCI of prior art, second portion DCI can comprise the bit be retained in the public DCI of prior art, and base station and Equations of The Second Kind UE can be predefined as the bit be retained the field by Equations of The Second Kind UE special use.

The DCI of first can comprise the first downlink resource piece allocation field, the first downlink resource piece allocation field can be used for the first public message position in PDSCH resource of pointer for first kind UE, original position and the number of the PRB that namely the first public message takies in the PDSCH resource.

The DCI of first can also comprise a PUCCH power control field, be similar to the PUCCH power control field in the public DCI of prior art, a PUCCH power control field can be used to indicate the number of the PRB that the bit number of the transmission block that base station sends to first kind UE is corresponding.

The DCI of first can also comprise modulation and encoding scheme (Modulation and Coding Scheme, MCS) field, index corresponding to transmission block that the MCS field can be used to indicate modulation system that the first public message and the second public message are used and send to first kind UE and Equations of The Second Kind UE.

In addition, the DCI of first can also comprise other field be used in the public DCI of prior art, such as form 0 and 1A distinctive mark field, virtual resource blocks distribution type identification field and new data indication field etc., the definition of these fields can be with reference to prior art, for fear of repetition, repeat no more herein.

Second portion DCI can comprise the second downlink resource piece allocation field, and the second downlink resource piece allocation field can be used to indicate the second public message of being directed to Equations of The Second Kind UE number at the PRB of PDSCH resource occupation.For example, the length of the second downlink resource piece allocation field can be 2 bits, can define the second downlink resource piece allocation field of 2 bits and the mapping relations of the resource size that the second public message takies, as shown in table 1.

The mapping relations of the PRB number that table 1 the second downlink resource allocation field and the second public message take

The bit indication	Bandwidth length
		00	1/4 narrow bandwidth
01	1/2 narrow bandwidth
		10	3/4 narrow bandwidth
11	Narrow bandwidth

Wherein, narrow bandwidth can mean the bandwidth that Equations of The Second Kind UE can support, also can refer to the number of total PRB that can receive.

It should be noted that the example of above-mentioned table 1 is just in order to help those skilled in the art to understand better 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 piece allocation field can also be other bit number, between the number of the PRB that the second downlink resource piece allocation field and the second public message take, can also be other mapping relations, and the embodiment of the present invention does not limit this.

In addition, the original position of the second public message in the PDSCH resource can be determined by different modes, and, without being indicated, can save so the expense of public DCI in public DCI.

Alternatively, the position of the second public message in the PDSCH resource can be adjacent with the position of the first public message in the PDSCH resource, and the original position of the PRB taken can be the position of next PRB of the end position of the PRB that takies in the PDSCH resource of the first public message.

Below in conjunction with object lesson, describe.Fig. 4 is the first public message and the mapping graph of the second public message in the PDSCH resource according to an embodiment of the invention.In Fig. 4, the first public message and the position relationship of the second public message in the PDSCH resource in LTE version (Release) 8 systems have been described.Like this, without the original position of the PRB that indicates the second public message to take in the PDSCH resource to Equations of The Second Kind UE in public DCI, thus the expense of saving public DCI.

Alternatively, the original position of the second public message in the PDSCH resource can be predefined.Such as, the original position of the PRB that the second public message takies in the PDSCH resource can be by system information or the indication of RRC signaling, it can be perhaps position fixing in the PDSCH resource, can be perhaps the original position of the special-purpose subband of Equations of The Second Kind UE in the PDSCH resource, or can be at a distance of position that fixedly frequency domain is offset with the original position of special-purpose subband.Below in conjunction with object lesson, describe.Fig. 5 is the first public message and the mapping graph of the second public message in the PDSCH resource according to another embodiment of the present invention.

In Fig. 5, suppose that the original position of the second public message in the PDSCH resource is the original position of the special-purpose subband of Equations of The Second Kind UE in the PDSCH resource.The position of special-purpose subband can by high-level signaling indicate or the mode such as frequency hopping definite.Like this, without the original position of the PRB that indicates the second public message to take in the PDSCH resource to Equations of The Second Kind UE in public DCI, thus the expense of saving public DCI.

302, base station is to the public DCI generated in first kind UE and Equations of The Second Kind UE forwarding step 301, and in the resource taken at the first public message to first kind UE send the first public message and the resource that takies at the second public message in send the second public message to Equations of The Second Kind UE.

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

Particularly, first kind UE can be according to the DCI of first in public DCI, at the first public message, in shared resource, detects the first public message.For example, first kind UE can, according to the first downlink resource piece allocation field, determine original position and the number of the PRB that the first public message takies in the PDSCH resource.First kind UE can determine the modulation system of the first public message and index corresponding to transmission block that base station sends to oneself according to the MCS field.First kind UE can also, according to a PUCCH power control field and MCS field, determine the bit number of transmission block.The specific operation process that first kind UE detects the first public message can, with reference to prior art, for fear of repetition, repeat no more herein.

304, Equations of The Second Kind UE is according to the public DCI in step 302, at the second public message, in shared resource, detects the Equations of The Second Kind public message.

Particularly, Equations of The Second Kind UE can be according to the DCI of first in public DCI and second portion DCI, at the second public message, in shared resource, detects public message.

For example, Equations of The Second Kind UE can determine the end position of the PRB that the first public message takies in the PDSCH resource according to the DCI of first, the original position of the PRB that the position of the next PRB of end position is taken in the PDSCH resource as the second public message.The second downlink resource piece allocation field in the original position of the PRB that Equations of The Second Kind UE can take according to the second public message in the PDSCH resource and second portion DCI, detect the Equations of The Second Kind public message in shared resource at the second public message.

The second downlink resource piece allocation field in the original position of the PRB that Equations of The Second Kind UE can also take according to the second public message in the PDSCH resource and second portion DCI, detect the Equations of The Second Kind public message in shared resource at the second public message, the original position of the PRB that the second public message takies in the PDSCH resource can be predefined.Specific descriptions can be with reference to step 301.

In addition, Equations of The Second Kind UE can also be according to the 2nd PUCCH power control field in second portion DCI, determines the number of the PRB that transmission block that base station sends to oneself is corresponding.Can also, according to the MCS field of the DCI of first, determine modulation system and the index corresponding to transmission block of the second public message.In addition, can also, according to MCS field and the 2nd PUCCH power control field, determine the bit number of transmission block.

Equations of The Second Kind UE determines that according to the DCI of first other relevant schedule information of the second public message can, with reference to prior art, for fear of repetition, repeat no more herein.

Should be understood that above-mentioned each process sequence number size and do not mean that the priority of execution sequence, the execution sequence of each process should determine with its function and internal logic, and should not form to the implementation process of the embodiment of the present invention any restriction.For example, step 303 can be carried out concurrently with step 304 or carry out afterwards.

In addition, public DCI can also comprise third part DCI, in the situation that third part DCI can carry out above-mentioned steps 301 to 304 for meaning two public messages of this public DCI indication.

Third part DCI can comprise the bit be retained in the public DCI of prior art.For example, the length of third part DCI can be 1 bit.While such as the value at third part DCI, being set to " 0 ", can mean two public messages of public DCI indication in step 301, namely the first public message and the second public message, in base station, determine so while to first kind UE and Equations of The Second Kind UE, sending respectively public message separately of two class UE, value that can third part DCI is set to " 0 ".

When the value of third part DCI is " 1 ", can be predefined as different implications according to actual conditions.Such as, when the value of third part DCI is " 1 ", can mean that public DCI now can indicate the first public message, namely public DCI is now used by first kind UE.Therefore in base station, determine while only to first kind UE, sending the first public message, value that can third part DCI is set to " 1 ", and first kind UE detects the first public message according to public DCI now, and detailed process can be with reference to prior art, for fear of repetition, repeat no more herein.In addition, when the value of third part DCI is " 1 ", can also mean the public message that public DCI indication is now received jointly by first kind UE and Equations of The Second Kind UE.Therefore in base station, determine while to first kind UE and Equations of The Second Kind UE, sending identical public message, value that can third part DCI is set to " 1 ", first kind UE and Equations of The Second Kind UE can detect respectively identical public message according to public DCI now, detailed process can be with reference to prior art, for fear of repetition, repeat no more herein.

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

610, receive the public DCI by the identifier scrambling, this public DCI is used to indicate the shared resource of public message that is directed to UE in the PDSCH resource.

620, when determining that this identifier is the identifier corresponding to this UE, according to this public DCI, detect the public message of this UE in shared resource at public message.

Particularly, when first kind UE or Equations of The Second Kind UE determine that this identifier is the identifier corresponding to own classification, according to this public DCI, detect the public message of this UE in shared resource at public message.Namely, when the method is carried out by first kind UE, first kind UE detects the public message of oneself in can the resource shared at public message according to this public DCI.When the method is carried out by Equations of The Second Kind UE, Equations of The Second Kind UE detects the public message of oneself in can the resource shared at public message according to this public DCI.

Should be understood that in the embodiment of the present invention, the classification of UE can be the ability classification of UE, according to the ability of UE, is divided.Such as, can be divided into first kind UE and Equations of The Second Kind UE.First kind UE can have higher receiving ability, can be called high ability UE, can receive the downlink data of full frequency band bandwidth.Equations of The Second Kind UE has lower receiving ability, can be called low ability UE, and the data in can only the receiving unit bandwidth can't receive the data of full frequency band bandwidth.First kind UE and Equations of The Second Kind UE are divided according to other attribute information of UE, and the embodiment of the present invention is not construed as limiting this.

Alternatively, as an embodiment, at identifier during corresponding to first kind UE, identifier can comprise 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, at identifier during corresponding to Equations of The Second Kind UE, identifier can comprise Equations of The Second Kind system message radio 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).Should understand, these identifiers are identifiers of new definition, the identifier that is different from the scrambling of prior art, purpose is distinguished for the identifier with corresponding to first kind UE, those skilled in the art obviously can revise the title corresponding to the identifier of Equations of The Second Kind UE according to the above embodiments, within such modification falls into the scope of the embodiment of the present invention equally.

In the embodiment of the present invention, for the public DCI of first kind UE and for the public DCI of Equations of The Second Kind UE respectively by different identifier scramblings, therefore, after first kind UE or Equations of The Second Kind UE receive public DCI, when determining that identifier to this public DCI scrambling is the identifier corresponding to own classification, detect the public message of oneself according to public DCI.

In the embodiment of the present invention, due to the classification of the identifier to public DCI scrambling corresponding to UE, make the public DCI can be corresponding to different classes of UE, therefore in the situation that base-station transmission for the public message of different classes of UE, different classes of UE can detect corresponding public message according to public DCI separately, thereby can improve the efficiency of transmission of public message.

Fig. 7 is the indicative flowchart according to the method for the transmission DCI of the embodiment of the present invention.The method of Fig. 7 is carried out by base station.

710, generate the public DCI by the identifier scrambling, this identifier is corresponding to the classification of UE, and this identifier is used to indicate this public DCI and belongs to this UE, and this public DCI is used to indicate the shared resource of public message that is directed to this UE in the PDSCH resource.

Alternatively, as an embodiment, at identifier, during corresponding to first kind UE, identifier can comprise SI-RNTI, P-RNTI or RAR-RNTI.

Alternatively, as another embodiment, at identifier, during corresponding to Equations of The Second Kind UE, identifier can comprise SSI-RNTI, SP-RNTI or SRAR-RNTI.Should understand, these identifiers are identifiers of new definition, the identifier that is different from the scrambling of prior art, purpose is distinguished for the identifier with corresponding to first kind UE, those skilled in the art obviously can revise the title corresponding to the identifier of Equations of The Second Kind UE according to the above embodiments, within such modification falls into the scope of the embodiment of the present invention equally.

720, send this public DCI to this UE, and send public message to this UE at public message in shared resource.

Base station, when determining to first kind UE transmission public message, can generate the public DCI by the identifier scrambling corresponding to first kind UE, the public message by this public DCI pointer to first kind UE.Base station, when determining to Equations of The Second Kind UE transmission public message, can generate the public DCI by the identifier scrambling corresponding to Equations of The Second Kind UE, the public message by this public DCI pointer to Equations of The Second Kind UE.Like this, first kind UE and Equations of The Second Kind UE can receive respectively the public DCI corresponding to oneself, thereby detect the public message of oneself according to public DCI respectively.

In the embodiment of the present invention, due to the classification of the identifier to public DCI scrambling corresponding to UE, make the public DCI can be corresponding to different classes of UE, therefore the public message indicated corresponding to the public DCI of different classes of UE can be transmitted respectively in base station, thereby can improve the efficiency of transmission of public message.

Fig. 8 is the schematic block diagram according to the subscriber equipment of the embodiment of the present invention.The subscriber equipment 800 of Fig. 8 comprises receiving element 810 and detecting unit 820.Receiving element 810 and detecting unit 820 can specifically be positioned at a processor of subscriber equipment 800.

Receiving element 810 receives public DCI from base station, this public DCI is used to indicate in the PDSCH resource resource shared for the first public message of first kind UE and the shared resource for the second public message of Equations of The Second Kind UE.Detecting unit 820 is according to this public DCI, detects the first public message at the first public message in shared resource or detects the second public message at the second public message in shared resource.

In the embodiment of the present invention, due to two public messages of public DCI pointer to two class UE, therefore in the situation that two public messages transmit respectively, two class UE can detect respectively public message separately according to this public DCI, thereby can improve the efficiency of transmission of public message.

Other function of subscriber equipment 800 and operation relate to the process of UE in can the embodiment of the method with reference to top Fig. 1 and Fig. 3, for fear of repetition, repeat no more herein.

Alternatively, as an embodiment, public DCI can comprise the DCI of first and second portion DCI, the DCI of first can comprise the first downlink resource piece allocation field, and the first downlink resource piece allocation field is used to indicate original position and the number of the PRB that the first public message takies in the PDSCH resource.Second portion DCI can comprise the second downlink resource piece allocation field, and the second downlink resource piece allocation field is used to indicate the number of the PRB that the second public message takies in the PDSCH resource.

Alternatively, as another embodiment, when subscriber equipment 800 is Equations of The Second Kind UE, detecting unit 820 can be according to the first downlink resource piece allocation field, determine the end position of the PRB that the first public message takies in the PDSCH resource, and the original position of the PRB that the position of the next PRB of this end position is taken in the PDSCH resource as the second public message, the number of the PRB that the original position of the PRB taken in the PDSCH resource according to the second public message and the second public message take in the PDSCH resource, detect the second public message in shared resource at the second public message.

Alternatively, as another embodiment, when subscriber equipment 800 is Equations of The Second Kind UE, the number of the PRB that the original position of the PRB that detecting unit 820 can take according to the second public message in the PDSCH resource and the second public message take in the PDSCH resource, detect the second public message in shared resource at the second public message, the original position of the PRB that the second public message takies in the PDSCH resource can be predefined.

Alternatively, as another embodiment, the original position of the PRB that the second public message takies on the PDSCH resource can be by system information or the indication of RRC signaling, it can be perhaps position fixing in the PDSCH resource, can be perhaps the original position of the special-purpose subband of Equations of The Second Kind UE in the PDSCH resource, or can be at a distance of position that fixedly frequency domain is offset with the original position of special-purpose subband.

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

Alternatively, as another embodiment, public DCI also can comprise third part DCI, and third part DCI can be for meaning two public messages of this public DCI indication.

Fig. 9 is the schematic block diagram according to the base station of the embodiment of the present invention.The base station 900 of Fig. 9 comprises generation unit 910 and transmitting element 920.Generation unit 910 and transmitting element 920 can specifically be positioned at a processor of base station 900.

Generation unit 910 generates public DCI, public DCI for the resource shared for the first public message of first kind UE in the indication of PDSCH resource and for the second public message of Equations of The Second Kind UE shared resource.Transmitting element 920 sends this public DCI to first kind UE and Equations of The Second Kind UE, and sends the first public message or send second public message to Equations of The Second Kind UE at the second public message in shared resource to first kind UE in shared resource at the first public message.

Other function of base station 900 and operation relate to the process of base station in can the embodiment of the method with reference to top Fig. 2 and Fig. 3, for fear of repetition, repeat no more herein.

Alternatively, as another embodiment, public DCI also can comprise third part DCI, and third part DCI is for meaning two public messages of public DCI indication.

Figure 10 is the schematic block diagram according to the subscriber equipment of the embodiment of the present invention.The subscriber equipment 1000 of Figure 10 comprises receiving element 1010 and detecting unit 1020.Receiving element 1010 and detecting unit 1020 can specifically be positioned at a processor of subscriber equipment 1000.

The public DCI that receiving element 1010 receives by the identifier scrambling, this public DCI is used to indicate the shared resource of public message that is directed to UE in the PDSCH resource.When detecting unit 1020 determines that this identifier is the identifier corresponding to UE, according to this public DCI, detect the public message of this UE in shared resource at public message.

Other function of subscriber equipment 1000 and operation relate to the process of UE in can the embodiment of the method with reference to top Fig. 6, for fear of repetition, repeat no more herein.

Alternatively, as an embodiment, when identifier, during corresponding to first kind UE, identifier can comprise SI-RNTI, P-RNTI or RAR-RNTI.Perhaps when identifier during corresponding to Equations of The Second Kind UE, identifier can comprise SSI-RNTI, SP-RNTI or SRAR-RNTI.

Figure 11 is the schematic block diagram according to the base station of the embodiment of the present invention.The base station 1100 of Figure 11 comprises generation unit 1110 and transmitting element 1120.Generation unit 1110 and transmitting element 1120 can specifically be positioned at a processor of base station 1100.

The public DCI that generation unit 1110 generates by the identifier scrambling, this identifier is corresponding to the classification of UE, and this identifier is used to indicate this public DCI and belongs to UE, and this public DCI is used to indicate the shared resource of public message that is directed to this UE in the PDSCH resource.Transmitting element 1120 sends this public DCI to described UE, and shared resource sends public message to this UE at public message.

Other function of base station 1100 and operation relate to the process of base station in can the embodiment of the method with reference to top Fig. 7, for fear of repetition, repeat no more herein.

Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.The professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.

The those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.

In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual the realization, other dividing mode can be arranged, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.

The described unit as the separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed on a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the purpose of the present embodiment scheme.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.

If described function usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.

The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.

Claims

1. a method of transmitting Downlink Control Information, is characterized in that, comprising:

Receive common downlink control information DCI from base station, described public DCI is used to indicate in Physical Downlink Shared Channel PDSCH resource the resource shared for the first public message of first kind user equipment (UE) and the shared resource for the second public message of Equations of The Second Kind UE;

According to described public DCI, detect described the first public message at described the first public message in shared resource or detect described the second public message at described the second public message in shared resource.

2. method according to claim 1, it is characterized in that, described public DCI comprises the DCI of first and second portion DCI, the described DCI of first comprises the first downlink resource piece allocation field, described the first downlink resource piece allocation field is used to indicate original position and the number of the PRB that described the first public message takies in described PDSCH resource

Described second portion DCI comprises the second downlink resource piece allocation field, and described the second downlink resource piece allocation field is used to indicate the number of the Physical Resource Block PRB that described the second public message takies in the PDSCH resource.

3. method according to claim 2, is characterized in that, when described method is carried out by described Equations of The Second Kind UE, described according to described public DCI, at described the second public message, in shared resource, detects described the second public message, comprising:

According to described the first downlink resource piece allocation field, determine the end position of the PRB that described the first public message takies in described PDSCH resource, and the original position of the PRB that the position of the next PRB of described end position is taken in the PDSCH resource as described the second public message;

The number of the PRB that the original position of the PRB taken in the PDSCH resource according to described the second public message and described the second public message take in the PDSCH resource, detect described the second public message in shared resource at described the second public message.

4. method according to claim 2, is characterized in that, when described method is carried out by described Equations of The Second Kind UE,

Described according to described public DCI, detect described the second public message in shared resource at described the second public message, comprising:

The number of the PRB that the original position of the PRB taken in described PDSCH resource according to described the second public message and described the second public message take in described PDSCH resource, detect described the second public message in shared resource at described the second public message, the original position of the PRB that described the second public message takies in described PDSCH resource is predefined.

5. method according to claim 4, it is characterized in that, the original position of the PRB that described the second public message takies in described PDSCH resource is by system information or the indication of radio resource control RRC signaling, or fixing position in described PDSCH resource, or the original position of the special-purpose subband of described Equations of The Second Kind UE in described PDSCH resource, or with the original position of described special-purpose subband at a distance of position that fixedly frequency domain is offset.

6. according to the described method of any one in claim 2 to 5, it is characterized in that, described second portion DCI is by described Equations of The Second Kind UE special use.

7. according to the described method of any one in claim 1 to 6, it is characterized in that, described public DCI also comprises third part DCI, and described third part DCI is for meaning two public messages of described public DCI indication.

8. a method of transmitting Downlink Control Information, is characterized in that, comprising:

Generate common downlink control information DCI, described public DCI is used to indicate in Physical Downlink Shared Channel PDSCH resource the resource shared for the first public message of first kind user equipment (UE) and the shared resource for the second public message of Equations of The Second Kind UE;

Send described public DCI to described first kind UE and described Equations of The Second Kind UE, and send described the first public message or send described second public message to Equations of The Second Kind UE at described the second public message in shared resource to first kind UE in shared resource at described the first public message.

9. method according to claim 8, it is characterized in that, described public DCI comprises the DCI of first and second portion DCI, the described DCI of first comprises the first downlink resource piece allocation field, and described the first downlink resource piece allocation field is used to indicate original position and the number of the PRB that described the first public message takies in described PDSCH resource; Described second portion DCI comprises the second downlink resource piece allocation field, and described the second downlink resource piece allocation field is used to indicate the number of the Physical Resource Block PRB that described the second public message takies in the PDSCH resource.

10. method according to claim 9, is characterized in that, the position of the next PRB of the end position of the PRB that described the first public message takies in described PDSCH resource is the original position of the PRB that takies in the PDSCH resource of described the second public message; Perhaps

The original position of the PRB that described the second public message takies in described PDSCH resource is predefined, the original position of the PRB that wherein said the second public message takies in described PDSCH resource is by system information or the indication of radio resource control RRC signaling, or fixing position in described PDSCH resource, or the original position of the special-purpose subband of described Equations of The Second Kind UE in described PDSCH resource, or with the original position of described special-purpose subband at a distance of position that fixedly frequency domain is offset.

11. according to the described method of claim 9 or 10, it is characterized in that, described second portion DCI is by described Equations of The Second Kind UE special use.

12. according to Claim 8 to 11, the described method of any one, is characterized in that, described public DCI also comprises third part DCI, and described third part DCI is for meaning two public messages of described public DCI indication.

13. a method of transmitting Downlink Control Information, is characterized in that, comprising:

Reception is by the common downlink control information DCI of identifier scrambling, and described public DCI is used to indicate the shared resource of public message that is directed to user equipment (UE) in Physical Downlink Shared Channel PDSCH resource;

When determining that described identifier is the identifier corresponding to described UE, according to described public DCI, detect the public message of described UE in shared resource at described public message.

14. method according to claim 13, it is characterized in that, when described identifier, during corresponding to first kind UE, described identifier comprises 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; Perhaps,

When described identifier, during corresponding to Equations of The Second Kind UE, described identifier comprises 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.

15. a method of transmitting Downlink Control Information, is characterized in that, comprising:

Generation is by the common downlink control information DCI of identifier scrambling, described identifier is corresponding to the classification of user equipment (UE), described identifier is used to indicate described public DCI and belongs to described UE, and described public DCI is used to indicate the shared resource of public message that is directed to described UE in Physical Downlink Shared Channel PDSCH resource;

Send described public DCI to described UE, and send described public message to described UE at described public message in shared resource.

16. method according to claim 15, it is characterized in that, when described identifier, during corresponding to first kind UE, described identifier comprises 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; Perhaps,

17. a subscriber equipment, is characterized in that, comprising:

Receiving element, for receive common downlink control information DCI from base station, described public DCI is used to indicate in Physical Downlink Shared Channel PDSCH resource the resource shared for the first public message of first kind user equipment (UE) and the shared resource for the second public message of Equations of The Second Kind UE;

Detecting unit, for according to described public DCI, detect described the first public message at described the first public message in shared resource or detect described the second public message at described the second public message in shared resource.

18. subscriber equipment according to claim 17, it is characterized in that, described public DCI comprises the DCI of first and second portion DCI, the described DCI of first comprises the first downlink resource piece allocation field, and described the first downlink resource piece allocation field is used to indicate original position and the number of the PRB that described the first public message takies in described PDSCH resource;

19. subscriber equipment according to claim 18, is characterized in that, when described subscriber equipment is described Equations of The Second Kind UE,

Described detecting unit is specifically for according to described the first downlink resource piece allocation field, determine the end position of the PRB that described the first public message takies in described PDSCH resource, and the original position of the PRB that the position of the next PRB of described end position is taken in the PDSCH resource as described the second public message; The number of the PRB that the original position of the PRB taken in the PDSCH resource according to described the second public message and described the second public message take in the PDSCH resource, detect described the second public message in shared resource at described the second public message.

20. subscriber equipment according to claim 18, is characterized in that, when described subscriber equipment is described Equations of The Second Kind UE,

Described detecting unit is specifically for the original position of the PRB that takies in described PDSCH resource according to described the second public message and the number of the PRB that described the second public message takies in described PDSCH resource, detect described the second public message in shared resource at described the second public message, the original position of the PRB that described the second public message takies in described PDSCH resource is predefined.

21. subscriber equipment according to claim 20, it is characterized in that, the original position of the PRB that described the second public message takies in described PDSCH resource is by system information or the indication of radio resource control RRC signaling, or fixing position in described PDSCH resource, or the original position of the special-purpose subband of described Equations of The Second Kind UE in described PDSCH resource, or with the original position of described special-purpose subband at a distance of position that fixedly frequency domain is offset.

22. according to claim 18 to the described subscriber equipment of any one in 21, it is characterized in that, described second portion DCI is by described Equations of The Second Kind UE special use.

23. according to claim 17 to the described subscriber equipment of any one in 22, it is characterized in that, described public DCI also comprises third part DCI, described third part DCI is for meaning two public messages of described public DCI indication.

24. a base station, is characterized in that, comprising:

Generation unit, for generating common downlink control information DCI, described public DCI for the resource shared for the first public message of first kind user equipment (UE) in the indication of Physical Downlink Shared Channel PDSCH resource and for the second public message of Equations of The Second Kind UE shared resource;

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

25. base station according to claim 24, it is characterized in that, described public DCI comprises the DCI of first and second portion DCI, the described DCI of first comprises the first downlink resource piece allocation field, and described the first downlink resource piece allocation field is used to indicate original position and the number of the PRB that described the first public message takies in described PDSCH resource; Described second portion DCI comprises the second downlink resource piece allocation field, and described the second downlink resource piece allocation field is used to indicate the number of the Physical Resource Block PRB that described the second public message takies in the PDSCH resource.

26. base station according to claim 25, it is characterized in that, the position of the next PRB of the end position of the PRB that described the first public message takies in described PDSCH resource is the original position of the PRB that takies in the PDSCH resource of described the second public message; Perhaps

27. according to the described base station of claim 25 or 26, it is characterized in that, described second portion DCI is by described Equations of The Second Kind UE special use.

28. according to the described base station of any one in claim 24 to 27, it is characterized in that, described public DCI also comprises third part DCI, described third part DCI is for meaning two public messages of described public DCI indication.

29. a subscriber equipment, is characterized in that, comprising:

Receiving element, for receiving the common downlink control information DCI by the identifier scrambling, described public DCI is used to indicate the shared resource of public message that is directed to user equipment (UE) in Physical Downlink Shared Channel PDSCH resource;

Detecting unit, for when determining that described identifier is the identifier corresponding to described UE, according to described public DCI, detect the public message of described UE in shared resource at described public message.

30. subscriber equipment according to claim 29, it is characterized in that, when described identifier, during corresponding to first kind UE, described identifier comprises 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; Perhaps, when described identifier, during corresponding to Equations of The Second Kind UE, described identifier comprises 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.

31. a base station, is characterized in that, comprising:

Generation unit, for generating the common downlink control information DCI by the identifier scrambling, described identifier is corresponding to the classification of user equipment (UE), described identifier is used to indicate described public DCI and belongs to described UE, and described public DCI is used to indicate the shared resource of public message that is directed to described UE in Physical Downlink Shared Channel PDSCH resource;

Transmitting element, for to described UE, sending described public DCI, and send described public message to described UE at described public message in shared resource.

32. base station according to claim 31, it is characterized in that, when described identifier, during corresponding to first kind UE, described identifier comprises 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; Perhaps, when described identifier, during corresponding to Equations of The Second Kind UE, described identifier comprises 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.