CN103945536A - Carrier structure supporting independent configuration and resource distribution method - Google Patents
Carrier structure supporting independent configuration and resource distribution method Download PDFInfo
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- CN103945536A CN103945536A CN201310017760.9A CN201310017760A CN103945536A CN 103945536 A CN103945536 A CN 103945536A CN 201310017760 A CN201310017760 A CN 201310017760A CN 103945536 A CN103945536 A CN 103945536A
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Abstract
The invention provides two novel carrier types, a method and a device, wherein the method and the device are used for distributing resources on the carrier to user equipment. The carrier bandwidth comprises a first sub band which is used for the access of low version user equipment, and comprises a cell specific reference signal, and a second sub band which is only used for the access of high version user equipment, and does not comprise the cell specific reference signal but comprises a demodulation reference signal. The method which is used for distributing the resources on the carrier to the user equipment in a base station of a communication system comprises the steps that after the user equipment are connected with RRC, the types of the user equipment are judged; the resource on the first sub band is distributed to the low version user equipment, wherein the low version user equipment is user equipment whose version is below 12; and the resource on the carrier is distributed to the high version user equipment, wherein the high version user equipment is user equipment whose version is above 12. By using the carrier provided by the invention, high terminal user throughput and high spectrum efficiency can be acquired.
Description
Technical field
The application relates to communication system, relates in particular to two kinds of new carrier structure and is the method for the resource on this carrier wave of user equipment allocation.
Background technology
In order to obtain higher terminal use's throughput and higher spectrum efficiency, in LTE-Arelease 12, introduced new carrier type, it can reduce interference and expense by reducing existing control signal and public reference signal, thereby improves spectrum efficiency.
RAN1 had discussed some new carrier types, but these new carrier types cannot be realized backward compatibility.In the first stage, new carrier type is used in connection with the carrier aggregation of existing LTE carrier wave.This means that new carrier wave only can be configured to from community (SCell).In this case, on this new carrier wave, there is no the transmission of system information and beep-page message because subscriber equipment need to be from this new carrier wave receiving system information and need to be from this new carrier wave paging receiving message.Resource for system information and beep-page message can be used to transfer of data, and this can improve terminal use's throughput and spectrum efficiency.
Up to the present, the new carrier wave of discussing in RAN1 cannot, in the lower use of stand-alone mode (standalone), this means that existing subscriber equipment (legacy UE) cannot access this new carrier wave and free subscriber equipment (idle UE) can not access this new carrier wave.This restriction needs operator to have macrocell in other frequencies provides service for free subscriber equipment and existing subscriber equipment.For those, have the operator of finite frequency resource, this will be a very large challenge.In addition,, if all free subscriber equipment all resides in limited macrocell, random access collision will be more serious so.And if most of subscriber equipment only carries out the business of low data rate, so new carrier wave will be a kind of waste.
Summary of the invention
Based on above-mentioned, consider, proposed two kinds of new carrier types in the present invention, the first carrier type not only can be supported separate configurations and can allow existing subscriber equipment access; The second carrier type can be supported separate configurations but can not realize backward compatibility.
For the first carrier type, the bandwidth of whole carrier wave comprises for lowest version subscriber equipment, the following subscriber equipment of release 12) the first subband and only for the second subband of highest version subscriber equipment (also, release 12 and above subscriber equipment).That is to say, for lowest version subscriber equipment, it only can access the first subband in this carrier wave, and for highest version subscriber equipment, it can access this whole carrier wave (comprising the first subband and the second subband).
The bandwidth of the first subband can be any in existing bandwidth of cell configuration, for example, and 6PRB, 15PRB, 25PRB, 50PRB, 75PRB or 100PRB.The first subband comprises following content:
-master sync signal/secondary synchronizing signal (PSS/SSS);
-Physical Downlink Control Channel (PDCCH), Physical Control Format Indicator Channel (PCFICH), Physical HARQ Indicator Channel (PHICH);
-Physical Broadcast Channel (PBCH), system information block (system informationblock), paging (paging);
-cell special reference (cell-specific reference signal, CRS)
-Physical Multicast Channel (PMCH);
In the first subband, PSS/SSS, MIB (Master Information Block), PDCCH, PCFICH, PHICH, PBCH, CRS is all used existing form.What the downlink bandwidth information that MIB comprises was indicated is the bandwidth of the first subband.PDCCH, PCFICH, PHICH and CRS are distributed in whole the first subband.Beep-page message only transmits in the first subband.
In the second subband, comprise following characteristic:
-can comprise EPDCCH;
-do not comprise CRS, but comprise DMRS (demodulated reference signal);
In the PDSCH of the-the second subband, only can transmit new system information, and old system information can only be transmitted in the PDSCH of the first subband;
-do not comprise PMCH;
-do not comprise PSS/SSS.
Based on above-mentioned the first carrier type, the present invention has proposed a kind of method that is used to the resource on user equipment allocation carrier wave in the base station of communication system in one embodiment, said method comprising the steps of: i., with after described subscriber equipment is set up RRC and is connected, judges the type of described subscriber equipment; If ii. described subscriber equipment is lowest version subscriber equipment, be the resource on the first subband described in described user equipment allocation, wherein said lowest version subscriber equipment is the subscriber equipment of version below 12; If iii. described subscriber equipment is highest version subscriber equipment, be the resource on carrier wave described in described user equipment allocation, wherein said highest version subscriber equipment is version 12 and above subscriber equipment.
Favourable, described step I ii comprises the following steps: send available sub-band information to described subscriber equipment, for to its available subband of described notification of user equipment; And on PDCCH, transmit Downlink Control Information to described subscriber equipment, wherein, described Downlink Control Information comprises the Physical Resource Block index information after expansion, be used to indicate the position that this base station is the Physical Resource Block of described user equipment allocation, wherein, described PDCCH is configured in described the first subband.
Favourable, described step I ii comprises the following steps: send available sub-band information to described subscriber equipment, for to its available subband of described notification of user equipment; And on EPDCCH Resource Block collection, transmit Downlink Control Information to described subscriber equipment, wherein, described Downlink Control Information comprises the Physical Resource Block index information after expansion, be used to indicate the position that this base station is the Physical Resource Block of described user equipment allocation, wherein, described EPDCCH Resource Block collection is configured in described the first subband or described the second subband.
Favourable, said method is further comprising the steps of: according to the quantity of the lowest version subscriber equipment in connection status in this base station range and highest version subscriber equipment in connection status than or data throughout ratio, adjust the bandwidth ratio of described the first subband and described the second subband.
Based on above-mentioned the first carrier type, the present invention also proposed in another embodiment a kind of in the subscriber equipment of communication system the method for the resource in assistant base station distributing carrier wave, said method comprising the steps of: with after described base station is set up RRC and is connected, reception is from the available sub-band information of described base station, and described available sub-band information is used for the subband of notifying this subscriber equipment to use; On PDCCH or EPDCCH, obtain the Downlink Control Information corresponding to this subscriber equipment from described base station, described Downlink Control Information comprises the Physical Resource Block index information after expansion; And according to the Physical Resource Block index information after the described expansion in described Downlink Control Information, on the indicated Physical Resource Block of Physical Resource Block index information after described expansion, obtain the data from described base station.
This first carrier type not only can be supported separate configurations, and can obtain higher terminal use's throughput and higher spectrum efficiency.This carrier wave can allow existing subscriber equipment resident and allow the access of existing subscriber equipment.If to highest version subscriber equipment, this carrier wave allows highest version subscriber equipment to obtain higher terminal use's throughput and higher spectrum efficiency so by the second sub-band scheduling.
For the second carrier type, this carrier wave comprises PSS/SSS, and its time/frequency location can be identical with position of the prior art, or also can in standard, define.
This carrier wave comprises PBCH, and its time/frequency location can be identical with position of the prior art, or also can in standard, define.
In this carrier wave, do not comprise PDCCH and PCFICH.
Based on above-mentioned the second carrier type, the present invention has proposed a kind of method that is used to the resource on user equipment allocation carrier wave in the base station of communication system in one embodiment, said method comprising the steps of: a. sends the relevant information of EPDCCH Resource Block collection to described subscriber equipment on PBCH, the relevant information of described EPDCCH Resource Block collection is used to indicate the position of described EPDCCH Resource Block collection, and described EPDCCH Resource Block is concentrated and comprised public search space; B. on described public search space, send Downlink Control Information, described Downlink Control Information comprises the information that is used to indicate system information and beep-page message place Physical Resource Block.
Favourable, further comprising the steps of after described step b: to receive the RRC connection request message from described subscriber equipment; And configure dedicated EPDCCH Resource Block collection, and connect and set up message the relevant information of described special-purpose EPDCCH Resource Block collection is sent to described subscriber equipment by RRC, the relevant information of described special-purpose EPDCCH Resource Block collection is used to indicate the position of described special-purpose EPDCCH Resource Block collection, and described special-purpose EPDCCH Resource Block is concentrated the search volume that comprises described user equipment specific.
Based on above-mentioned the first carrier type, the present invention also proposed in another embodiment a kind of in the subscriber equipment of communication system the method for the resource in assistant base station distributing carrier wave, said method comprising the steps of: A. receives the relevant information from the EPDCCH Resource Block collection of described base station, and the relevant information of described EPDCCH Resource Block collection is used to indicate the position of described EPDCCH Resource Block collection; B. according to the position of the indicated described EPDCCH Resource Block collection of the relevant information of described EPDCCH Resource Block collection, determine the position at the concentrated public search space of described EPDCCH Resource Block; C. at described public search space, obtain Downlink Control Information, described Downlink Control Information comprises the information that is used to indicate system information and beep-page message place Physical Resource Block; D. on described Physical Resource Block, obtain system information and beep-page message.
Favourable, further comprising the steps of after described step D: to send RRC connection request message to described base station; Reception is set up message from the RRC connection of described base station, and the relevant information that message comprises special-purpose EPDCCH Resource Block collection is set up in described RRC connection, and the relevant information of described special-purpose EPDCCH Resource Block collection is used to indicate the position of described special-purpose EPDCCH Resource Block collection; And according to the position of the indicated described special-purpose EPDCCH Resource Block collection of the relevant information of described special-purpose EPDCCH Resource Block collection, determine the search volume of this user equipment specific of concentrating at described special-purpose EPDCCH Resource Block.
This second carrier type only allows the access of highest version subscriber equipment, and it supports separate configurations.Owing to having reduced CRS, so this carrier type also can obtain higher spectrum efficiency.
Various aspects of the present invention are by the explanation of the specific embodiment by hereinafter and more clear.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, above-mentioned and other feature of the present invention will become more apparent:
Fig. 1 shows the structure of the first carrier type according to an embodiment of the invention;
Fig. 2 shows an example of the first carrier type of Fig. 1, and wherein PDSCH dispatches by PDCCH;
Fig. 3 shows another example of the first carrier type of Fig. 1, and wherein PDSCH dispatches by EPDCCH;
Fig. 4 shows the structure of the second carrier type according to an embodiment of the invention.
Accompanying drawing sign identical or similar in accompanying drawing represents identical or similar parts.
Embodiment
Below with reference to accompanying drawing, embodiments of the invention are described.
(1) the first carrier type (with reference to Fig. 1)
As shown in Figure 1, the bandwidth of this carrier wave comprises the first subband, the second subband 1 and the second subband 2.In the present embodiment, the second subband is divided into two parts, and also, the second subband 1 and the second subband 2, the first subbands are between the second subband 1 and the second subband 2.Other position relationships that it will be understood by those skilled in the art that the first subband and the second subband are also feasible.
for existing subscriber equipment (also, the lowest version subscriber equipment of release below 12)
If existing subscriber equipment is in idle condition, so, it can reside in the community (carrier wave) with structure shown in Fig. 1.For this subscriber equipment, owing to only indicating the bandwidth of the first subband in MIB (MasterInformation Block), so it thinks that the downlink bandwidth of this community is the bandwidth of the first subband.This subscriber equipment can with the same receiving system information and beep-page message in prior art.
When existing subscriber equipment wishes to enter RRC connection status, it can be carried out random access and connect to set up RRC.This subscriber equipment can be on the first subband receiving random access response.It should be noted that base station should guarantee to send accidental access response on the first subband.
When base station has obtained the ability (capability) of this subscriber equipment, also after knowing this subscriber equipment and being existing subscriber equipment, this base station by PDCCH (Physical DownlinkControl Channel) on the first subband for this subscriber equipment carries out scheduling of resource.
It should be noted that if the bandwidth of the first subband is 6 PRB (Physical Resource Block), so, the scope of the PRB index in the first subband is 0 to 5 in order to guarantee and the backward compatibility of existing subscriber equipment; If the bandwidth of the first subband is 15 PRB, so, the scope of the PRB index in the first subband is 0 to 14.
for release 12 and above highest version subscriber equipment
For such subscriber equipment, when it is during in Idle state, it can reside in the community (carrier wave) with structure shown in Fig. 1.Now this subscriber equipment thinks that this community is identical with existing community.
When this subscriber equipment wishes to enter RRC connection status, its can carry out random access with set up RRC and connect and can be on the first subband receiving random access response.
When base station has obtained the ability of this subscriber equipment, also to know this subscriber equipment and be after release 12 and above subscriber equipment, this base station is this dispatching user facility resource on whole carrier wave.This scheduling of resource can realize by following two kinds of modes:
1. with reference to Fig. 2, base station can be the resource on the whole carrier wave of this user equipment allocation by PDCCH.Concrete, Downlink Control Information (DownlinkControl Information, DCI) is transmitted to this subscriber equipment in base station on PDCCH, and this DCI comprises the PRB index after expansion, is used to indicate this base station for the position of the PRB of this user equipment allocation.Because base station can be the resource on the whole carrier wave of user equipment allocation, therefore, need to expand existing PRB index.
Subscriber equipment obtains after the DCI corresponding to this subscriber equipment from base station on PDCCH, according to the PRB index information after the expansion in this DCI and Modulation and Coding Scheme (Modulation and Coding Scheme, MCS), on the indicated PRB of this index information, demodulate the data from base station.Owing to there is no CRS (Cell-specific Reference signal) in the second subband, utilization DMRS (Demodulationreference signal) is wherein for demodulation.
In addition, before base station is dispatching user facility resource, high-level signaling can be passed through in base station, RRC signaling for example, send available sub-band information to this subscriber equipment, be used for to its available subband of this notification of user equipment, like this, subscriber equipment just can be known the correct bit number that the resource in DCI is distributed.
In the present example, the primary sign of the PDSCH in the second subband (Physical Downlink SharedChannel) is since 0.
2. with reference to Fig. 3, base station can be the resource on the whole carrier wave of this user equipment allocation by EPDCCH Resource Block collection (EPDCCH-PRB-set).This EPDCCH Resource Block collection can be configured in the first subband or the second subband.
Concrete, base station is at the upper transmission of EPDCCH Resource Block collection (at EPDCCH) DCI to this subscriber equipment, and this DCI comprises the PRB index after expansion, is used to indicate this base station for the position of the PRB of this user equipment allocation.Subscriber equipment obtains after the DCI corresponding to this subscriber equipment from base station on EPDCCH Resource Block collection, according to the PRB index information after the expansion in this DCI and Modulation and Coding Scheme (MCS), on the indicated PRB of this index information, demodulate the data from base station.
In addition, before base station is dispatching user facility resource, high-level signaling can be passed through in base station, RRC signaling for example, send available sub-band information to this subscriber equipment, be used for to its available subband of this notification of user equipment, like this, subscriber equipment just can be known the correct bit number that the resource in DCI is distributed.
In the present example, the primary sign of the PDSCH in the second subband is since 0.If EPDCCH Resource Block collection is configured in the second subband, the primary sign of EPDCCH Resource Block collection is since 0 so.
In the first carrier type, for example, owing to (only comprising limited reference signal in the second subband, DMRS) and not comprise System information block, paging and PSS/SSS (PrimarySynchronization Signal/Secondary Synchronization Signal), therefore, the efficient resource unit for transfer of data increases to some extent than the first subband.Therefore, this carrier type can obtain higher terminal use's throughput and spectrum efficiency.And, this carrier type allow existing subscriber equipment resident and access.
Favourable, base station can also the scene based on different regulates the bandwidth of the first subband.For example, if there is the lowest version subscriber equipment of a greater number in the coverage of base station, base station can be the larger bandwidth of the first subband arrangement, for example 75PRB so; If there is the highest version subscriber equipment of a greater number in the coverage of base station, base station can be the less bandwidth of the first subband arrangement, for example 15PRB so.
(2) the second carrier type (with reference to Fig. 4)
Carrier wave at this type comprises PSS/SSS, and its time/frequency location can be identical with position of the prior art, or also can in standard, define (defining different positions).
This carrier wave comprises PBCH (Physical Broadcast Channel), and its time/frequency location can identical with position of the prior art (as shown in Figure 4), or also can in standard, define.In the MIB of PBCH transmission, newly increased the position that information unit is used to indicate the EPDCCH Resource Block collection that comprises public search space (Common Search Space, CSS).Certainly, in the MIB of this PBCH transmission, also comprise existing downlink bandwidth (dl-Bandwidth) in prior art, phich configures (phich-Config) and System Frame Number (systemFrameNumber).
Concrete, base station sends the relevant information of EPDCCH Resource Block collection to this subscriber equipment on PBCH, and the relevant information of this EPDCCH Resource Block collection is used to indicate the position of EPDCCH Resource Block collection, and this EPDCCH Resource Block is concentrated and is comprised CSS.Then, base station sends DCI on CSS, and this DCI comprises the information that is used to indicate system information and beep-page message place Physical Resource Block.
Subscriber equipment receives after the relevant information from the EPDCCH Resource Block collection of base station, according to the position of the indicated EPDCCH Resource Block collection of the relevant information of this EPDCCH Resource Block collection, determines the position at the concentrated CSS of this EPDCCH Resource Block.Then, subscriber equipment obtains DCI on CSS, and obtains system information and beep-page message on the indicated Physical Resource Block of DCI, thereby can reside in this community.
It should be noted that, in PBCH, can comprise that DMRS is configured for the DCI that demodulation is transmitted in CSS.Certainly, this DMRS configuration also can pre-define.
Detection for fear of lowest version subscriber equipment to this carrier wave, favourable, the time/frequency location of PSS/SSS or the time/frequency location of PBCH are different from existing position.Like this, lowest version subscriber equipment just can not detect this carrier wave.
In this carrier wave, there is no PDCCH and PCFICH (Physical Control FormatIndicator CHannel).
When highest version subscriber equipment, wish to set up RRC and connect, it carries out random access and receiving random access response in CSS.When base station receives after the RRC connection request message from this subscriber equipment, this base station configure dedicated EPDCCH Resource Block collection, and connect and set up message the relevant information of this special use EPDCCH Resource Block collection is sent to subscriber equipment by RRC, the relevant information of this special use EPDCCH Resource Block collection is used to indicate the position of special-purpose EPDCCH Resource Block collection, this special use EPDCCH Resource Block is concentrated the search volume (UE-specific Search Space, USS) that comprises user equipment specific.Subscriber equipment receives from the RRC connection of base station and sets up after message, the position that connects the indicated special-purpose EPDCCH Resource Block collection of relevant information of setting up the special-purpose EPDCCH Resource Block collection in message according to this RRC, determines the position (adopting current mechanism to determine the position of USS) at the concentrated USS of this special use EPDCCH Resource Block.When subscriber equipment has determined that behind the position of USS, it obtains DCI on this USS, then communicates with base station.
Concrete, RRC connects to set up needs to introduce following information in message:
-mono-group of N PRB couple, is used to indicate EPDCCH Resource Block collection;
The type of-EPDCCH Resource Block collection;
-DMRS scramble sequence initiation parameter;
-corresponding to PUCCH (Physical UplinkControl Channel) the initial biasing of resource of this EPDCCH Resource Block collection.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, any Reference numeral in claim should be considered as limiting related claim.In addition, significantly, " comprising ", other elements or step do not got rid of in a word, and " one " word before element is not got rid of and comprised " a plurality of " this element.A plurality of elements of stating in claim to a product also can be realized by software or hardware by an element.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (16)
1. a method that is used to the resource on user equipment allocation carrier wave in the base station of communication system, wherein, the bandwidth of described carrier wave comprises for the first subband of lowest version subscriber equipment access and the second subband only accessing for highest version subscriber equipment, described the first subband comprises cell specific reference signal, in described the second subband, do not comprise cell specific reference signal but comprise demodulated reference signal, said method comprising the steps of:
I. with after described subscriber equipment is set up RRC and is connected, judge the type of described subscriber equipment;
If ii. described subscriber equipment is lowest version subscriber equipment, be the resource on the first subband described in described user equipment allocation, wherein said lowest version subscriber equipment is the subscriber equipment of version below 12;
If iii. described subscriber equipment is highest version subscriber equipment, be the resource on carrier wave described in described user equipment allocation, wherein said highest version subscriber equipment is version 12 and above subscriber equipment.
2. method according to claim 1, is characterized in that, described step I ii comprises the following steps:
-send available sub-band information to described subscriber equipment, for to its available subband of described notification of user equipment;
-on PDCCH, transmit Downlink Control Information to described subscriber equipment, wherein, described Downlink Control Information comprises the Physical Resource Block index information after expansion, be used to indicate the position that this base station is the Physical Resource Block of described user equipment allocation, wherein, described PDCCH is configured in described the first subband.
3. method according to claim 1, is characterized in that, described step I ii comprises the following steps:
-send available sub-band information to described subscriber equipment, for to its available subband of described notification of user equipment;
-on EPDCCH Resource Block collection, transmit Downlink Control Information to described subscriber equipment, wherein, described Downlink Control Information comprises the Physical Resource Block index information after expansion, be used to indicate the position that this base station is the Physical Resource Block of described user equipment allocation, wherein, described EPDCCH Resource Block collection is configured in described the first subband or described the second subband.
4. method according to claim 1, is characterized in that, described method is further comprising the steps of:
-according to the quantity of the lowest version subscriber equipment in connection status in this base station range and highest version subscriber equipment in connection status than or data throughout ratio, adjust the bandwidth ratio of described the first subband and described the second subband.
One kind in the subscriber equipment of communication system for the method for the resource in assistant base station distributing carrier wave, wherein, the bandwidth of described carrier wave comprises for the first subband of lowest version subscriber equipment access and the second subband accessing for highest version subscriber equipment, described the first subband comprises cell specific reference signal, in described the second subband, do not comprise cell specific reference signal but comprise demodulated reference signal, said method comprising the steps of:
-with after described base station is set up RRC and is connected, receive the available sub-band information from described base station, the subband of described available sub-band information for notifying this subscriber equipment to use;
-on PDCCH or EPDCCH, obtaining the Downlink Control Information corresponding to this subscriber equipment from described base station, described Downlink Control Information comprises the Physical Resource Block index information after expansion;
-according to the Physical Resource Block index information after the described expansion in described Downlink Control Information, on the indicated Physical Resource Block of Physical Resource Block index information after described expansion, obtain the data from described base station.
6. in the base station of communication system, be used to a method for the resource on user equipment allocation carrier wave, said method comprising the steps of:
A. on PBCH, send the relevant information of EPDCCH Resource Block collection to described subscriber equipment, the relevant information of described EPDCCH Resource Block collection is used to indicate the position of described EPDCCH Resource Block collection, and described EPDCCH Resource Block is concentrated and comprised public search space;
B. on described public search space, send Downlink Control Information, described Downlink Control Information comprises the information that is used to indicate system information and beep-page message place Physical Resource Block.
7. method according to claim 6, is characterized in that, further comprising the steps of after described step b:
-reception is from the RRC connection request message of described subscriber equipment;
-configure dedicated EPDCCH Resource Block collection, and connect and set up message the relevant information of described special-purpose EPDCCH Resource Block collection is sent to described subscriber equipment by RRC, the relevant information of described special-purpose EPDCCH Resource Block collection is used to indicate the position of described special-purpose EPDCCH Resource Block collection, and described special-purpose EPDCCH Resource Block is concentrated the search volume that comprises described user equipment specific.
In the subscriber equipment of communication system for a method for the resource in assistant base station distributing carrier wave, said method comprising the steps of:
A. receive the relevant information from the EPDCCH Resource Block collection of described base station, the relevant information of described EPDCCH Resource Block collection is used to indicate the position of described EPDCCH Resource Block collection;
B. according to the position of the indicated described EPDCCH Resource Block collection of the relevant information of described EPDCCH Resource Block collection, determine the position at the concentrated public search space of described EPDCCH Resource Block;
C. at described public search space, obtain Downlink Control Information, described Downlink Control Information comprises the information that is used to indicate system information and beep-page message place Physical Resource Block;
D. on described Physical Resource Block, obtain system information and beep-page message.
9. method according to claim 8, is characterized in that, further comprising the steps of after described step D:
-send RRC connection request message to described base station;
-receiving from the RRC connection of described base station and set up message, the relevant information that message comprises special-purpose EPDCCH Resource Block collection is set up in described RRC connection, and the relevant information of described special-purpose EPDCCH Resource Block collection is used to indicate the position of described special-purpose EPDCCH Resource Block collection;
-according to the position of the indicated described special-purpose EPDCCH Resource Block collection of the relevant information of described special-purpose EPDCCH Resource Block collection, determine the search volume of this user equipment specific of concentrating at described special-purpose EPDCCH Resource Block.
10. a device that is used to the resource on user equipment allocation carrier wave in the base station of communication system, wherein, the bandwidth of described carrier wave comprises for the first subband of lowest version subscriber equipment access and the second subband only accessing for highest version subscriber equipment, described the first subband comprises cell specific reference signal, in described the second subband, do not comprise cell specific reference signal but comprise demodulated reference signal, described device comprises:
Judgment means, for after described subscriber equipment is set up RRC and is connected, judges the type of described subscriber equipment;
Resource allocation device, if be lowest version subscriber equipment for described subscriber equipment, is the resource on the first subband described in described user equipment allocation, and wherein said lowest version subscriber equipment is the subscriber equipment of version below 12; If described subscriber equipment is highest version subscriber equipment, be the resource on carrier wave described in described user equipment allocation, wherein said highest version subscriber equipment is version 12 and above subscriber equipment.
11. devices according to claim 10, is characterized in that, described resource allocation device comprises:
The first dispensing device, for sending available sub-band information to described subscriber equipment, for to its available subband of described notification of user equipment;
The second dispensing device, for transmitting Downlink Control Information to described subscriber equipment on PDCCH or EPDCCH, wherein, described Downlink Control Information comprises the Physical Resource Block index information after expansion, is used to indicate the position that this base station is the Physical Resource Block of described user equipment allocation.
12. 1 kinds in the subscriber equipment of communication system for the device of the resource in assistant base station distributing carrier wave, wherein, the bandwidth of described carrier wave comprises for the first subband of lowest version subscriber equipment access and the second subband accessing for highest version subscriber equipment, described the first subband comprises cell specific reference signal, in described the second subband, do not comprise cell specific reference signal but comprise demodulated reference signal, described device comprises:
First receiving device, for after described base station is set up RRC and is connected, receives the available sub-band information from described base station, the subband of described available sub-band information for notifying this subscriber equipment to use;
The first acquisition device, for obtain the Downlink Control Information corresponding to this subscriber equipment from described base station on PDCCH or EPDCCH, described Downlink Control Information comprises the Physical Resource Block index information after expansion;
The second acquisition device, for according to the Physical Resource Block index information after the described expansion of described Downlink Control Information, obtains the data from described base station on the indicated Physical Resource Block of Physical Resource Block index information after described expansion.
13. 1 kinds of devices that are used to the resource on user equipment allocation carrier wave in the base station of communication system, described device comprises:
The 3rd dispensing device, the relevant information that is used for sending EPDCCH Resource Block collection on PBCH is to described subscriber equipment, the relevant information of described EPDCCH Resource Block collection is used to indicate the position of described EPDCCH Resource Block collection, and described EPDCCH Resource Block is concentrated and comprised public search space;
The 4th dispensing device, for send Downlink Control Information on described public search space, described Downlink Control Information comprises the information that is used to indicate system information and beep-page message place Physical Resource Block.
14. devices according to claim 13, is characterized in that, described device also comprises:
The second receiving system, for receiving the RRC connection request message from described subscriber equipment;
The 5th dispensing device, for configure dedicated EPDCCH Resource Block collection, and connect and set up message the relevant information of described special-purpose EPDCCH Resource Block collection is sent to described subscriber equipment by RRC, the relevant information of described special-purpose EPDCCH Resource Block collection is used to indicate the position of described special-purpose EPDCCH Resource Block collection, and described special-purpose EPDCCH Resource Block is concentrated the search volume that comprises described user equipment specific.
15. 1 kinds in the subscriber equipment of communication system for the device of the resource in assistant base station distributing carrier wave, described device comprises:
The 3rd receiving system, for receiving the relevant information from the EPDCCH Resource Block collection of described base station, the relevant information of described EPDCCH Resource Block collection is used to indicate the position of described EPDCCH Resource Block collection;
The first determining device, for according to the position of the indicated described EPDCCH Resource Block collection of the relevant information of described EPDCCH Resource Block collection, determines the position at the concentrated public search space of described EPDCCH Resource Block;
The 3rd acquisition device, for obtaining Downlink Control Information at described public search space, described Downlink Control Information comprises the information that is used to indicate system information and beep-page message place Physical Resource Block;
The 4th acquisition device, for obtaining system information and beep-page message on described Physical Resource Block.
16. devices according to claim 15, is characterized in that, described device also comprises:
The 6th dispensing device, for sending RRC connection request message to described base station;
The 4th receiving system, for receiving from the RRC connection of described base station, set up message, the relevant information that message comprises special-purpose EPDCCH Resource Block collection is set up in described RRC connection, and the relevant information of described special-purpose EPDCCH Resource Block collection is used to indicate the position of described special-purpose EPDCCH Resource Block collection;
The second determining device, for according to the position of the indicated described special-purpose EPDCCH Resource Block collection of the relevant information of described special-purpose EPDCCH Resource Block collection, determines the search volume of this user equipment specific of concentrating at described special-purpose EPDCCH Resource Block.
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