CN102158964A - Resource coordination method and device in communication system - Google Patents
Resource coordination method and device in communication system Download PDFInfo
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- CN102158964A CN102158964A CN201010113578XA CN201010113578A CN102158964A CN 102158964 A CN102158964 A CN 102158964A CN 201010113578X A CN201010113578X A CN 201010113578XA CN 201010113578 A CN201010113578 A CN 201010113578A CN 102158964 A CN102158964 A CN 102158964A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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Abstract
The embodiment of the invention provides a method for coordinating a physical uplink control channel (PUCCH) resource and a physical uplink shared channel (PUSCH) resource configured between base stations in a communication system. The method comprises the following steps that: a first base station acquires the configuration information of the wireless resource of a second base station; the first base station acquires the wireless configuration resource of the second base station according to the configuration information of the wireless resource of the second base station; and the first base does not dispatch data in the wireless configuration resource of the second base station according to the acquired wireless configuration resource of the second base station so as to avoid or reduce the interference of the PUSCH of user equipment (UE) of the first base station service to the UE PUCCH of the second base station service, and improve the reliability of control channel detection and the efficiency of resource multiplexing in the communication system.
Description
Technical field
The present invention relates to the mobile communication technology field, be specifically related to the resource coordination method and apparatus in a kind of communication system.
Background technology
In the LTE wireless communication system, the base station is the UE collocating uplink carrier wave wireless resource of this base station services, and this Radio Resource is determined by the one or more combination in time-domain resource, frequency domain resource, sign indicating number territory resource and the power resource.Time-domain resource comprises OFDM symbol, time slot, subframe, frame, time symbol etc.; Frequency resource comprises subcarrier, carrier wave, frequency band, subband etc.; Sign indicating number territory resource comprises codewords indexes, code length, cyclic shift etc.; Power resource comprises power, power adjustment commands etc.; The up-link carrier Radio Resource comprises Physical Uplink Control Channel (Physical Uplink Control Channel respectively, PUCCH), Physical Random Access Channel (Physical Random Access Channel, PRACH), survey reference symbol (SoundingReference Symbol, SRS) and Physical Uplink Shared Channel (Physical Uplink SharedChannel, PUSCH) Radio Resource, the resource of PRACH is by the high-level signaling configuration of system, and the resource of SRS is provided with by the SRS parameter of the specific cell-specific in sub-district.
In the geographic range of same covering, disposed different transmission power, or the base station of different access styles, as macro base station (as macro eNodeB) and low power base station (as micro eNodeB, pico eNodeB, home eNodeB, relay eNodeB, remote radio head etc.).If PUCCH, the PRACH between the UE of the UE of macro base station service and low power base station service, the transmission of SRS, PUSCH produce and disturb, influence the reliability of control channel detection and the efficient of wireless resource multiplexing.
Summary of the invention
The embodiment of the invention provides the method for the resource coordination in a kind of communication system, has improved the reliability that the control channel in the communication system detects.
On the one hand, provide the method for the resource coordination in a kind of communication system, having comprised:
First base station obtains the configuration information of the Radio Resource of second base station;
The radio configuration resource of second base station is known according to the configuration information of the Radio Resource of described second base station in described first base station;
Data dispatch is not carried out according to the radio configuration resource of described second base station of knowing in described first base station in the radio configuration resource of this second base station.
On the other hand, provide the method for the resource coordination in a kind of communication system, having comprised:
The UE of first base station services receives the configuration information of the Radio Resource of second base station;
The UE of first base station services is known the radio configuration resource of second base station according to the configuration information of the Radio Resource of second base station;
The UE of first base station services is according to the radio configuration resource of described second base station of knowing, when the radio configuration resource of the UE of described first base station services and the radio configuration resource of second base station have the overlapping resource on subframe, the UE of described first base station services does not transmit data on the overlapping resource of described subframe, the UE of perhaps described first base station services does not transmit data on described subframe.
On the other hand, provide a kind of base station, having comprised:
First module is used to obtain the configuration information of the Radio Resource of second base station;
Second module is used for the configuration information of the Radio Resource of described second base station that obtains according to described first module, knows the radio configuration resource of described second base station;
Processing module is used for the radio configuration resource of described second base station known according to described second module, does not carry out data dispatch in the radio configuration resource of described second base station.
On the other hand, provide a kind of user terminal, comprising:
Receiver module is used to receive the configuration information of the Radio Resource of second base station;
First processing module is used for the configuration information according to the Radio Resource of described receiver module reception, knows the radio configuration resource of second base station;
Second processing module, be used for the radio configuration resource known according to described first processing module, if when the radio configuration resource of the radio configuration resource of described user terminal and described second base station has the overlapping resource on subframe, do not transmit data or on the overlapping resource of described subframe, do not transmit data.
The invention provides the coordination approach of resource in a kind of communication system, first base station obtains the configuration information of the Radio Resource of second base station, described first base station is according to the configuration information of the Radio Resource of described second base station, know the radio configuration resource of second base station, data dispatch is not carried out according to the radio configuration resource of described second base station of knowing in described first base station in the radio configuration resource of this second base station.Thereby the interference that the UE PUCCH that the UE PUSCH transmission of avoiding or reduce macro base station to serve is served low power base station transmits has improved the reliability of the control channel detection in the communication system and the efficient of resource multiplex.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is briefly introduced in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of configuration PUCCH resource and PUSCH resource coordination method embodiment between the base station in a kind of communication system of the present invention;
Fig. 2 is for disposing the schematic flow sheet of PUCCH resource and PUSCH resource coordination method embodiment between the base station in the another kind of communication system of the present invention;
Fig. 2 a is the schematic diagram that carries out PUCCH resource and PUSCH resource coordination between embodiment of the invention macro base station and the low power base station;
Fig. 2 b is for disposing the schematic flow sheet of PUCCH resource and PUSCH resource coordination method embodiment between the base station in the another kind of communication system of the present invention;
Fig. 3 is for disposing the schematic flow sheet of PUCCH resource and PUSCH resource coordination method embodiment between the base station in the another kind of communication system of the present invention;
Fig. 3 a is the schematic diagram that carries out PUCCH resource and PUSCH resource coordination between another kind of macro base station of the embodiment of the invention and the low power base station;
Fig. 3 b is for disposing the schematic flow sheet of PUCCH resource and PUSCH resource coordination method embodiment between the base station in the another kind of communication system of the present invention;
Fig. 4 is the schematic flow sheet of configuration PRACH resource and PUSCH resource coordination method embodiment between the base station in a kind of communication system of the present invention;
Fig. 4 a carries out PRACH resource and PUSCH resource coordination schematic diagram between embodiment of the invention macro base station and the low power base station;
Fig. 4 b is for disposing the schematic flow sheet of PRACH resource and PUSCH resource coordination method embodiment between the base station in the another kind of communication system of the present invention;
Fig. 5 is for disposing the schematic flow sheet of PRACH resource and PUSCH resource coordination method embodiment between the base station in the another kind of communication system of the present invention;
Fig. 5 a carries out PRACH resource and PUSCH resource coordination schematic diagram between another kind of macro base station of the embodiment of the invention and the low power base station;
Fig. 5 b is for disposing the schematic flow sheet of PRACH resource and PUSCH resource coordination method embodiment between the base station in the another kind of communication system of the present invention;
Dispose SRS resource and PUSCH resource, PUCCH resource coordination method embodiment schematic flow sheet in a kind of communication system of Fig. 6 the present invention between the base station;
Fig. 6 a carries out SRS resource and PUSCH resource, PUCCH resource coordination schematic diagram between embodiment of the invention macro base station and the low power base station;
Dispose SRS resource and PUSCH resource, PUCCH resource coordination method embodiment schematic flow sheet in the another kind of communication system of Fig. 6 b the present invention between the base station;
Dispose SRS resource and PUSCH resource, PUCCH resource coordination method embodiment schematic flow sheet in the another kind of communication system of Fig. 7 the present invention between the base station;
Fig. 7 a carries out SRS resource and PUSCH resource, PUCCH resource coordination schematic diagram between another kind of macro base station of the embodiment of the invention and the low power base station;
Dispose SRS resource and PUSCH resource, PUCCH resource coordination method embodiment schematic flow sheet in the another kind of communication system of Fig. 7 b the present invention between the base station;
Dispose PUCCH resource and SRS resource coordination method embodiment schematic flow sheet between the base station in the another kind of communication system of Fig. 8 the present invention;
Fig. 8 a carries out PUCCH resource and SRS resource coordination schematic diagram between a kind of macro base station of the embodiment of the invention and the low power base station;
Dispose PUCCH resource and SRS resource coordination method embodiment schematic flow sheet between the base station in the another kind of communication system of Fig. 8 b the present invention;
Dispose PUCCH resource and SRS resource coordination method embodiment schematic flow sheet between the base station in the another kind of communication system of Fig. 9 the present invention;
Fig. 9 a carries out PUCCH resource and SRS resource coordination schematic diagram between another kind of macro base station of the embodiment of the invention and the low power base station;
Dispose PUCCH resource and SRS resource coordination method embodiment schematic flow sheet between the base station in the another kind of communication system of Fig. 9 b the present invention;
Figure 10 is for carrying out PUCCH, PRACH resource coordination schematic diagram between embodiment of the invention macro base station and the low power base station;
Figure 11 is the structural representation of a kind of base station of the embodiment of the invention;
Figure 11 a is the structural representation of the another kind of base station of the embodiment of the invention;
Figure 12 is the structural representation of a kind of terminal of the embodiment of the invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, and obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtained under the creative work prerequisite.
The embodiment of the invention is that example describes with the LTE wireless communication system, but method of the present invention is applicable to wireless communication systems such as WIMAX, CDMA, UMTS.
The described macro base station of the embodiment of the invention is not meant the not radio configuration resource of multiplexing low power base station of macro base station in the enterprising line data scheduling of the radio configuration resource of low power base station;
The described macro base station of the embodiment of the invention can carry out low-power mode on the radio configuration resource of low power base station data dispatch is meant the radio configuration resource that macro base station can multiplexing low power base station;
The data dispatch of the described low-power mode of the embodiment of the invention (or transmission) is meant, the transmitting power of UE on the resource allocation of low power base station of the macro base station service of employing low-power mode transmission is enough low, hangs down to the data transmissions of the UE that can guarantee this low power base station service up to its interference to the UE of the low power base station service on the resource allocation of scheduling in described low power base station and satisfies the needed minimum performance requirement of this UE transfer of data.
The embodiment of the invention is a wireless resource coordination method between illustration macro base station and the low power base station, but method of the present invention is not only limited to the wireless resource coordination method between macro base station and the low power base station, also be applicable between low power base station and the low power base station or between macro base station and the macro base station, do not repeat them here.
Fig. 1 is the PUCCH resource that disposes between the base station in the embodiment of the invention one communication system and the coordination approach of PUSCH resource, comprising:
101, first base station obtains the configuration information of the Radio Resource of second base station;
102, the radio configuration resource of second base station is known according to the configuration information of the Radio Resource of described second base station in described first base station;
103, data dispatch is not carried out according to the radio configuration resource of described second base station of knowing in described first base station in the radio configuration resource of this second base station.
The invention provides the coordination approach of resource in a kind of communication system, first base station obtains the configuration information of the Radio Resource of second base station, described first base station is according to the configuration information of the Radio Resource of described second base station, know the radio configuration resource of second base station, data dispatch is not carried out according to the radio configuration resource of described second base station of knowing in described first base station in the radio configuration resource of this second base station.Thereby the PUSCH transmission of UE of avoiding or reducing by first base station services is to the interference of the UE PUCCH transmission of second base station services, improved the reliability that the control channel in the communication system detects and the efficient of resource multiplex.
Fig. 2 is the PUCCH resource that disposes between the base station in the embodiment of the invention two communication systems and the coordination approach of PUSCH resource, comprising:
201, carry out the mutual of PUCCH configuration information of resource by X2 interface or wireless air interface between macro base station and the low power base station;
202, macro base station obtains the PUCCH configuration information of resource of low power base station, and macro base station is known the PUCCH resource allocation of low power base station according to the PUCCH configuration information of resource of low power base station;
This PUCCH configuration information of resource is by parameter settings different in physical layer or the high level, the start offset offset of the PUCCH format1/1a/1b channel indexes of cyclic shift value in mixing Physical Resource Block of the Physical Resource Block number that this parameter can take for PUCCH format2/2a/2b, the Physical Resource Block number that PUCCH takies, PUCCH format1/1a/1b, dynamic dispatching correspondence, the up-link carrier bandwidth of low power base station, the up-link carrier centre frequency of low power base station etc.
203,, when macro base station carries out uplink data scheduling for the UE of this macro base station service, in the resource allocation of the PUCCH of this low power base station, do not carry out data dispatch according to the resource allocation of the PUCCH of the low power base station known.
Shown in Fig. 2 a, if macro base station has obtained the PUCCH configuration information of resource of low power base station, according to this configuration information of resource, obtained the PUCCH resource allocation of low power base station configuration, as zone " 3 " is the PUCCH resource allocation of low power base station configuration, when macro base station carries out uplink data scheduling for the UE of this macro base station service, avoid enterprising line data scheduling in zone " 3 ".Because the UE of macro base station service does not use the PUCCH resource allocation of low power base station, so the UE PUSCH transmission of macro base station service can not produce the UE PUCCH transmission of low power base station service and disturb, and has guaranteed the reliability of the UE PUCCH transmission of low power base station service.
Shown in Fig. 2 b, the embodiment of the invention can also be according to the PUCCH configuration information of resource of macro base station, determine the PUCCH resource allocation of macro base station, when the UE that low power base station is served for this low power base station carries out uplink data scheduling, in the enterprising line data scheduling of the PUCCH of this macro base station resource allocation.This method and embodiment two are similar, do not repeat them here.
Fig. 3 is the PUCCH resource that disposes between the base station in the embodiment of the invention three communication systems and the another kind of coordination approach of PUSCH resource, step 301 among this embodiment, 302 and embodiment two in step 201,202 similar, difference is step 303, comprising:
303, according to the PUCCH resource allocation of the low power base station known, when macro base station carries out uplink data scheduling for the UE of this macro base station service, can be in the enterprising line data scheduling of the PUCCH of this low power base station resource allocation, the UE of macro base station service adopts low-power mode to carry out transfer of data on the PUCCH of low power base station resource allocation.
Shown in Fig. 3 a, if macro base station has obtained low power base station PUCCH configuration information of resource,, obtained the PUCCH resource allocation of low power base station, as the PUCCH resource allocation of zone " 3 " for the low power base station configuration according to this configuration information of resource.At this moment, if macro base station scheduling UE carries out the PUSCH transmission on zone 3, if macro base station is not done interference coordination to the PUCCH transmission of the UE of low power base station service, then the UE PUSCH transmission of macro base station service can produce the PUCCH transmission of low power base station service UE and disturb, thereby has reduced the reliability of the UE PUCCH transmission of low power base station service.If macro base station is done interference coordination to the UE PUCCH transmission of low power base station service, then the UE of macro base station service will adopt low-power mode to carry out transfer of data on the resource allocation of low power base station, promptly the UE of this macro base station service can reduce the PUSCH through-put power, thereby reduced interference, guaranteed the reliability of the UE PUCCH transmission of low power base station service the UE PUCCH transmission of low power base station service.
Shown in Fig. 3 b, the embodiment of the invention can also be according to the PUCCH configuration information of resource of macro base station, determine the PUCCH resource allocation of macro base station, when the UE that low power base station is served for this low power base station carries out uplink data scheduling, in the enterprising line data scheduling of the PUCCH of this macro base station resource allocation, and the UE of low power base station service adopts low-power mode to carry out transfer of data on the PUCCH of macro base station resource allocation.This method and embodiment three are similar, do not repeat them here.
In the LTE wireless communication system, the Radio Resource of up-link carrier comprises Radio Resources such as PUCCH, PUSCH respectively.Resource when the multiplexing up-link carrier of UE of the UE of macro base station service and low power base station service, in order to guarantee low power base station PUCCH transmission reliability, make macro base station not in the enterprising line data scheduling of the PUCCH resource allocation of low power base station configuration, or the UE that makes the macro base station service adopts low-power mode to carry out transfer of data on the PUCCH resource allocation of low power base station configuration, thereby eliminate or reduced the interference of the UE PUSCH transmission of macro base station service and the UE PUCCH transmission that low power base station is served, and improved the utilization ratio of ascending resource.The invention provides the coordination approach that disposes PUCCH resource and PUSCH resource in a kind of communication system between the base station, carry out the mutual of PUCCH configuration information of resource by X2 interface or wireless air interface between macro base station and the low power base station, know the PUCCH resource allocation of low power base station, PUCCH resource allocation according to low power base station, when macro base station carries out uplink data scheduling for the UE of this macro base station service, make macro base station not in the enterprising line data scheduling of the PUCCH of low power base station resource allocation, or the UE that makes the macro base station service adopts low-power mode to carry out transfer of data on the PUCCH resource allocation of low power base station configuration, thereby the interference that the UE PUCCH that the UE PUSCH transmission of avoiding or reduce macro base station to serve is served low power base station transmits has improved the reliability of the control channel detection in the communication system and the efficient of resource multiplex.
Fig. 4 is the PRACH resource that disposes between the base station in the embodiment of the invention four-way communication system and a kind of coordination approach of PUSCH resource, comprising:
401, carry out the mutual of PRACH configuration information of resource by X2 interface or wireless air interface between macro base station and the low power base station;
402, macro base station is known the PRACH resource allocation of low power base station according to low power base station PRACH configuration information of resource;
This configuration information of resource can be by different system parameter setting, the index Index of RACH configuration for example, the Physical Resource Block index of first RACH, the up-link carrier bandwidth of low power base station, the up-link carrier centre frequency of low power base station etc.
403, according to the low power base station PRACH resource allocation known, when macro base station carries out uplink data scheduling for the UE of this macro base station service, in the enterprising line data scheduling of the PRACH of this low power base station resource allocation.
Shown in 4a, carry out the mutual of PRACH configuration information of resource between macro base station and the low power base station, according to low power base station PRACH configuration information of resource, macro base station is known the PRACH resource allocation of low power base station, zone " 4 " is the PRACH resource allocation of low power base station configuration, then macro base station can enterprising line data scheduling in zone " 4 " when the UE dispatching uplink PUSCH resource of serving for this macro base station.So the PUSCH of the UE of macro base station service transmission can not produce the PRACH transmission of the UE of low power base station service and disturb.
Shown in Fig. 4 b, the embodiment of the invention can also be according to the PRACH configuration information of resource of macro base station, know the PRACH resource allocation of macro base station, when the UE that low power base station is served for this low power base station carries out uplink data scheduling, can be in the enterprising line data scheduling of the PRACH of this macro base station resource allocation.This method and embodiment four are similar, do not repeat them here.
The PRACH resource and the another kind of coordination approach of PUSCH resource of Fig. 5 for disposing between the base station in the embodiment of the invention five-way communication system, among this embodiment step 501 with 502 and embodiment four in step 401,402 similar, difference is, comprising:
503, according to the PRACH resource allocation of the low power base station known, when macro base station carries out uplink data scheduling for the UE of this macro base station service, can dispatch at the enterprising line data of PRACH resource allocation of this low power base station configuration, and the UE of macro base station service adopts low-power mode to carry out transfer of data on the PRACH of low power base station resource allocation zone.
Shown in 5a, carry out the mutual of PRACH configuration information of resource between macro base station and the low power base station, PRACH configuration information of resource according to low power base station, macro base station is known the PRACH resource allocation of low power base station configuration, zone " 4 " is the PRACH resource allocation of low power base station configuration, then macro base station can adopt low-power mode to carry out transfer of data on the PRACH of low power base station resource allocation at the UE of regional " 4 " enterprising line data scheduling and macro base station service when the UE dispatching uplink PUSCH resource of serving for this macro base station.So the PUSCH of the UE of macro base station service transmission only can produce low interference to the PRACH transmission of the UE of low power base station service.
Shown in Fig. 5 b, the embodiment of the invention can also be according to the PRACH configuration information of resource of macro base station, know the PRACH resource allocation of macro base station, when the UE that low power base station is served for this low power base station carries out uplink data scheduling, can on the PRACH of macro base station resource allocation, adopt low-power mode to carry out transfer of data at the UE of enterprising line data scheduling of the PRACH of this macro base station resource allocation and low power base station service.This method and embodiment five are similar, do not repeat them here.
The invention provides the method that disposes PRACH resource and PUSCH resource coordination in a kind of communication system between the base station, carry out the mutual of PRACH configuration information of resource by X2 interface or wireless air interface between macro base station and the low power base station, PRACH configuration information of resource according to low power base station, when macro base station carries out uplink data scheduling for the UE of this macro base station service, can make macro base station not in the enterprising line data scheduling of the PRACH resource allocation of low power base station configuration, or the UE that macro base station is served for this macro base station dispatches at the enterprising line data of PRACH resource allocation of this low power base station configuration, and the UE of macro base station service low-power mode on the PRACH resource allocation of low power base station configuration carries out transfer of data, thereby the UE PUSCH that avoids or reduce macro base station to serve transmits the interference of the UE PRACH transmission of serving with low power base station, has improved the reliability of the control channel detection in the communication system and the efficient of resource multiplex.
The embodiment of the invention also provides the method for the resource coordination in a kind of communication system, it is characterized in that, comprising:
The UE of first base station services receives the configuration information of the Radio Resource of second base station;
The UE of first base station services is known the radio configuration resource of second base station according to the configuration information of the Radio Resource of second base station;
The UE of first base station services is according to the radio configuration resource of described second base station of knowing, when the radio configuration resource of the UE of described first base station services and the radio configuration resource of second base station have the overlapping resource on subframe, the UE of described first base station services does not transmit data on the overlapping resource of described subframe, the UE of perhaps described first base station services does not transmit data.
This method is described by following embodiment six, embodiment seven, embodiment eight, embodiment nine, specifically comprises:
Dispose the another kind of method of SRS resource and PUCCH and PUSCH resource coordination in Fig. 6 embodiment of the invention six communication systems between the base station, comprising:
601, pass through the specific SRS configuration information of resource of X2 interface or the mutual sub-district of radio open between macro base station and the low power base station;
602, macro base station is known the SRS resource allocation of low power base station configuration according to the specific SRS configuration information of resource in the sub-district of low power base station;
The specific configuration information in sub-district is by different parameter settings, configuration cycle of SRS for example, the subframe skew of SRS, the up-link carrier bandwidth of low power base station, the up-link carrier centre frequency of low power base station etc.
603, macro base station is the UE broadcasting of this macro base station service or the SRS configuration information of resource of clean culture low power base station;
The SRS configuration information of resource of the low power base station of macro base station broadcasting can be carried on Master Information Block (the master information block of macro base station configuration, MIB), auxilliary block of information (secondaryinformation block, SIB) or Radio Resource control (Radio Resource Control is RRC) in the dedicated signaling.
604, the UE of macro base station service receives the SRS configuration information of resource of the low power base station of this macro base station broadcasting or clean culture;
605, the SRS resource allocation that disposes according to described low power base station, when the UEPUSCH resource of described macro base station service and low power base station SRS resource allocation had the overlapping resource on subframe, the UE of described macro base station service did not transmit the PUSCH data on the overlapping resource of this subframe.
In the above-mentioned steps 605, can also be according to the SRS resource allocation of described low power base station configuration, when the SRS resource allocation of the UE PUCCH resource of described macro base station service and low power base station configuration had the overlapping resource, the UE of described macro base station service did not transmit the PUCCH data on the overlapping resource of this subframe.
Shown in Fig. 6 a, if the UE of macro base station service obtains the SRS configuration information of resource of low power base station, SRS configuration information of resource according to this low power base station, know the SRS resource allocation of this low power base station configuration, for example in certain subframe, zone " 5 " is the specific SRS resource allocation in sub-district of low power base station configuration, when if the UE PUSCH resource of macro base station service or PUCCH resource have the overlapping resource with zone " 5 ", then the UE of macro base station service does not transmit PUSCH or PUCCH data on the overlapping resource of this subframe, thereby has avoided the PUSCH of macro base station UE transmission or PUCCH that the SRS signal that low power base station UE is sent out is produced interference.
Shown in Fig. 6 b, the embodiment of the invention can also be determined the SRS resource allocation of macro base station configuration according to the specific SRS configuration information of resource in the sub-district of macro base station, low power base station is the UE broadcasting or the specific SRS configuration information of resource in clean culture macro base station sub-district of this low power base station service, the SRS configuration information of resource specific according to this macro base station sub-district that obtains, when if the UE PUSCH resource of this low power base station service or PUCCH resource and macro base station SRS resource allocation have the overlapping resource on subframe, the UE of described low power base station service does not transmit PUSCH or PUCCH data on the overlapping resource of this subframe.This method and embodiment six are similar, do not repeat them here.
The invention provides the method that disposes SRS Radio Resource and PUSCH and PUCCH resource coordination in a kind of communication system between the base station, by SRS configuration information of resource mutual between macro base station and the low power base station, SRS configuration information of resource according to this low power base station, when if the UE PUSCH resource of macro base station service or PUCCH resource and low power base station SRS resource allocation have the overlapping resource on subframe, the UE of macro base station service does not transmit PUSCH or PUCCH data on the overlapping resource of this subframe, produce interference thereby avoid making between the SRS transmission of the UE PUSCH transmission of macro base station service or PUCCH transmission and low power base station service UE, improved the reliability of the SRS input in the communication system and the efficient of resource multiplex.
Dispose the another kind of method of SRS resource and PUCCH and PUSCH resource coordination in Fig. 7 embodiment of the invention seven communication systems between the base station, this embodiment and embodiment are similar, and difference is:
705, according to the SRS configuration information of resource of described low power base station, if when the PUSCH resource of the UE of described macro base station service and low power base station SRS resource allocation had the overlapping resource on subframe, the UE of described macro base station service adopted low-power mode to carry out the PUSCH transfer of data on the overlapping resource of this subframe.
In the above-mentioned steps 705, can also be according to the SRS configuration information of resource of described low power base station configuration, if when the PUCCH resource of the UE of described macro base station service and low power base station SRS resource allocation had the overlapping resource on subframe, the UE of described macro base station service adopted low-power mode to carry out the PUCCH transfer of data on the overlapping resource of this subframe.
Shown in Fig. 7 a, if the UE of macro base station service obtains the SRS configuration information of resource of low power base station, SRS configuration information of resource according to this low power base station, know the SRS resource allocation of this low power base station, for example zone " 5 " is the specific SRS resource allocation in sub-district of low power base station configuration, when if the UE PUSCH resource of macro base station service or PUCCH resource have the overlapping resource with zone " 5 " on subframe, then the UE of macro base station service can adopt low-power mode to carry out PUSCH or PUCCH transfer of data on the overlapping resource of this subframe, thereby makes the PUSCH of macro base station UE transmission or PUCCH produce low interference to the SRS signal that low power base station UE is sent out.
Shown in Fig. 7 b, the embodiment of the invention can also be determined the SRS resource allocation of macro base station according to the specific SRS configuration information of resource in the sub-district of macro base station, low power base station is the UE broadcasting or the specific SRS configuration information of resource in clean culture macro base station sub-district of this low power base station service, the SRS configuration information of resource specific according to this macro base station sub-district that obtains, when if the UE PUSCH resource of this low power base station service or PUCCH resource and macro base station SRS resource allocation have the overlapping resource on subframe, the UE of described low power base station service adopts low-power mode to carry out PUSCH or PUCCH transfer of data on the overlapping resource of this subframe.This method and embodiment seven are similar, do not repeat them here.
The invention provides the method that disposes SRS Radio Resource and PUSCH and PUCCH resource coordination in a kind of communication system between the base station, by SRS configuration information of resource mutual between macro base station and the low power base station, SRS configuration information of resource according to this low power base station, when if the UE PUSCH resource of this macro base station service or PUCCH resource and low power base station SRS resource allocation have the overlapping resource on subframe, the UE of described macro base station service adopts low-power mode to carry out PUSCH or PUCCH transfer of data on the overlapping resource of this subframe, produce low interference between thereby the UE SRS that UE PUSCH transmits or PUCCH transmits and low power base station is served that makes the macro base station service transmits, improved the reliability of the SRS input in the communication system and the efficient of resource multiplex.
Dispose the another kind of method of PUCCH resource and SRS resource coordination in Fig. 8 embodiment of the invention eight communication systems between the base station, comprising:
801, pass through X2 interface or the mutual PUCCH configuration information of resource of radio open between macro base station and the low power base station;
802, macro base station is known the PUCCH resource allocation of low power base station according to the PUCCH configuration information of resource of low power base station;
The configuration information of resource of this PUCCH is by parameter settings different in physical layer or the high level, cyclic shift value in mixing Physical Resource Block of the Physical Resource Block number that this parameter can take for PUCCH format2/2a/2b, the Physical Resource Block number that PUCCH takies, PUCCH format1/1a/1b, the start offset offset of dynamic dispatching PUCCHformat1/1a/1b channel indexes, the up-link carrier bandwidth of low power base station, the up-link carrier centre frequency of low power base station etc.
803, macro base station is the UE broadcasting of this macro base station service or the PUCCH configuration information of resource of clean culture low power base station;
The PUCCH configuration information of resource of the low power base station of macro base station broadcasting can be carried on Master Information Block (the mas ter information block of macro base station configuration, MIB), auxilliary block of information (secondaryinformation block, SIB) or Radio Resource control (Radio Resource Control is RRC) in the dedicated signaling.
804, the UE of macro base station service receives the PUCCH configuration information of resource of the low power base station of this macro base station broadcasting or clean culture;
805, according to the PUCCH resource allocation of described low power base station, when the UE of macro base station service SRS transfer resource and low power base station PUCCH resource allocation have the overlapping resource on subframe, the UE of macro base station service transmitting SRS signal not on this subframe.
Shown in Fig. 8 a, if the UE of macro base station service obtains the PUCCH configuration information of resource of low power base station, PUCCH configuration information of resource according to this low power base station, know the PUCCH resource allocation of this low power base station, for example zone " 3 " is the PUCCH resource allocation of low power base station configuration, when if the UE SRS transfer resource of macro base station service has the overlapping resource with zone " 3 " on subframe, the UE of macro base station service transmitting SRS signal not on this subframe, thus interference produced between the UE SRS transmission of avoiding making the macro base station service and the low power base station service UE PUCCH transmission.
Shown in Fig. 8 b, the embodiment of the invention can also be determined the PUCCH resource allocation of macro base station configuration according to the PUCCH configuration information of resource of macro base station, low power base station is the UE broadcasting of this low power base station service or the PUCCH configuration information of resource of clean culture macro base station, PUCCH configuration information of resource according to this macro base station that obtains, when if the UESRS transfer resource of low power base station service has the overlapping resource with macro base station PUCCH resource allocation on subframe, the UE that low power base station is served transmitting SRS signal not on this subframe.This method and embodiment eight are similar, do not repeat them here.
The invention provides the method that disposes PUCCH resource and the coordination of SRS Radio Resource in a kind of communication system between the base station, by PUCCH configuration information of resource mutual between macro base station and the low power base station, PUCCH configuration information of resource according to this low power base station, when if the PUCCH resource allocation of the UE SRS transfer resource of macro base station service and low power base station has the overlapping resource on subframe, the UE of macro base station service transmitting SRS signal not on this subframe, thereby produce interference between the UE PUCCH that UE SRS transmits and low power base station the is served transmission of avoiding macro base station is served, improved the reliability of the PUCCH input in the communication system and the efficient of resource multiplex.
Dispose the another kind of method of PUCCH resource and SRS resource coordination in Fig. 9 embodiment of the invention nine communication systems between the base station, this embodiment and embodiment eight are similar, and difference is:
905, according to the PUCCH configuration information of resource of described low power base station, when if the PUCCH resource allocation of the UESRS transfer resource of macro base station service and low power base station has the overlapping resource on subframe, the UE of macro base station service adopts low-power mode to carry out the transmission of SRS signal on this subframe.
Shown in Fig. 9 a, if the UE of macro base station service obtains the PUCCH configuration information of resource of low power base station, PUCCH configuration information of resource according to this low power base station, know the PUCCH resource allocation of this low power base station configuration, for example zone " 3 " is the PUCCH resource allocation of low power base station configuration, when if the UESRS transfer resource of macro base station service has the overlapping resource with zone " 3 " on subframe, the UE of macro base station service adopts low-power mode to carry out SRS signal transmission on this subframe, thus the low interference of generation between the UE SRS transmission that makes the macro base station service and the low power base station service UE PUCCH transmission.
Shown in Fig. 9 b, the embodiment of the invention can also be determined the PUCCH resource allocation of macro base station according to the PUCCH configuration information of resource of macro base station, low power base station is the UE broadcasting of this low power base station service or the PUCCH configuration information of resource of clean culture macro base station, PUCCH configuration information of resource according to this macro base station that obtains, when if the UE SRS transfer resource of low power base station service and the PUCCH resource allocation of macro base station have the overlapping resource on subframe, the UE of low power base station service adopts low-power mode to carry out the transmission of SRS signal on this subframe.This method and embodiment nine are similar, do not repeat them here.
The invention provides the method that disposes PUCCH resource and the coordination of SRS Radio Resource in a kind of communication system between the base station, by PUCCH configuration information of resource mutual between macro base station and the low power base station, PUCCH configuration information of resource according to this low power base station, when if the PUCCH resource allocation of the UE SRS transfer resource of macro base station service and low power base station configuration has the overlapping resource on subframe, the UE of macro base station service adopts low-power mode to carry out the transmission of SRS signal on this subframe, produce low interference between thereby the UE PUCCH that UE SRS transmits and low power base station is served that makes the macro base station service transmits, improved the reliability of the PUCCH input in the communication system and the efficient of resource multiplex.
The embodiment of the invention ten is to dispose the coordination approach of PUCCH resource, PRACH resource in the communication system between the base station, comprising:
1001, macro base station and low power base station adopt frequency division multiplexing (frequency divisionmultiplexing, mode FDM) disposes PUCCH resource, PRACH resource;
1002, macro base station and low power base station can be selected sub band resources according to implicit expression or explicit mode on up-link carrier, and dispose PUCCH resource and PRACH resource on this sub band resources of selecting.
Above-mentioned implicit expression selects the mode of sub band resources can comprise that macro base station or low power base station determine the up sub band resources size and the center frequency point of sub band resources according to descending, the up duplex frequency separation that used subband size of down control channel transmission and system default dispose.The subband size that wherein up sub band resources is big or small and the down control channel transmission is used is identical, and the duplexing frequency of the center frequency point of the sub band resources that the center frequency point of up sub band resources and down control channel are used is spaced apart the upstream and downstream duplex frequency separation of system default configuration.
The mode of above-mentioned explicit selection subband can comprise the wherein sub band resources information of a direction the opposing party explicit indication oneself selection of macro base station and low power base station, or macro base station and the mutual sub band resources information of selecting of low power base station.Wherein sub band resources information can comprise, the amount of bandwidth of sub band resources, the center frequency point of sub band resources or absolute wireless frequency channel number Absolute Radio Frequency Channel Number.Macro base station and low power base station be the sub band resources information that can select by X2 interface or the explicit indication of air interface oneself of a direction the opposing party wherein, or macro base station and low power base station are passed through X2 interface or the mutual sub band resources information of air interface.
The sub band resources that sub band resources that macro base station is selected and low power base station are selected is mutually orthogonal, i.e. the sub band resources that the sub band resources of macro base station selection and low power base station are selected does not overlap.Macro base station or low power base station be configuration PUSCH resource on this base station selected sub band resources only, also can dispose the PUSCH resource in the bandwidth resources of the up-link carrier except the PUCCH resource of macro base station and low power base station configuration.
As shown in figure 10, a up-link carrier is divided into macro base station and two sub band resources of low power base station, macro base station will select the zone " 1 " in the sub band resources to be configured to the PUCCH resource, low power base station will select the zone " 3 " in the sub band resources to be configured to the PUCCH resource, the sub band resources that sub band resources that macro base station is selected and low power base station are selected does not overlap, macro base station can this is base station selected sub band resources in the zone " 2 " be configured to the PUSCH resource, low power base station can this is base station selected sub band resources in zone " 4 " be configured to the PUSCH resource, macro base station or low power base station also can 4 be configured to the PUSCH resource with zone 2 and zone.
Macro base station and low power base station adopt the mode of frequency division multiplexing to dispose PUCCH resource, PRACH resource.Macro base station and low power base station can be selected sub band resources according to implicit expression or explicit mode on up-link carrier, and dispose PUCCH resource and PRACH resource on the wide resource of selecting of this subband.PUCCH resource, the complete quadrature of PRACH resource of the PUCCH resource of macro base station configuration, PRACH resource and low power base station configuration, disturb thereby PUCCH, the PRACH transmission of PUCCH, PRACH transmission and the UE of low power base station service of avoiding making the UE of macro base station service produces, improved the reliability that the control channel in the communication system detects and the efficient of resource multiplex.
Figure 11 is a kind of structural representation of base station, comprising:
Wherein, described second module specifically is used to obtain Physical Uplink Control Channel PUCCH configuration information of resource or Physical Random Access Channel PRACH configuration information of resource;
Wherein, described processing module specifically is used for the PUCCH resource according to described second base station of knowing, does not carry out data dispatch in the PUCCH of this second base station resource; Perhaps be used for PRACH resource, in the PRACH of this second base station resource, do not carry out data dispatch according to described second base station of knowing.
In a nearly step, this base station also comprises:
Three module is used for and the configuration information of second base station by interface, X2 interface or the mutual Radio Resource of air interface between the base station.
The invention provides the coordination approach of resource in a kind of communication system, first base station obtains the configuration information of the Radio Resource of second base station, described first base station is according to the configuration information of the Radio Resource of described second base station, know the radio configuration resource of second base station, data dispatch is not carried out according to the radio configuration resource of described second base station of knowing in described first base station in the radio configuration resource of this second base station.Thereby the PUSCH transmission of UE of avoiding or reducing by first base station services is to the PUCCH of the UE of second base station services or the interference of PRACH transmission, improved the reliability that the control channel in the communication system detects and the efficient of resource multiplex.
Figure 12 is a kind of structural representation of user terminal, comprising:
Wherein, if described receiver module specifically is used for receiving detection reference symbol SRS configuration information of resource; When described second processing module specifically is used on the SRS resource subframe of the PUSCH resource and second base station overlapping resource being arranged, on described overlapping resource, do not transmit the PUSCH data; When perhaps the SRS resource in the PUCCH resource and second base station has the overlapping resource on subframe, on described overlapping resource, do not transmit the PUCCH data.
Wherein, if described receiver module specifically is used to receive the PUCCH configuration information of resource; Described second processing module specifically is used for when described SRS resource and the second base station PUCCH resource have the overlapping resource on subframe, not the transmitting SRS data.
Wherein, described receiver module receives the configuration information of Radio Resource of second base station of first base station broadcast or clean culture.
The embodiment of the invention provides the method that disposes SRS Radio Resource and PUSCH and PUCCH resource coordination in a kind of communication system between the base station, by SRS configuration information of resource mutual between first base station and second base station, SRS configuration information of resource according to this second base station, when if the UE PUSCH resource of first base station services or PUCCH resource and the second base station SRS resource allocation have the overlapping resource on subframe, the UE of first base station services does not transmit PUSCH or PUCCH data on the overlapping resource of this subframe, produce interference thereby avoid making between the SRS transmission of the UE PUSCH transmission of first base station services or PUCCH transmission and the second base station services UE, improved the reliability of the SRS input in the communication system and the efficient of resource multiplex.
The embodiment of the invention provides the method that disposes SRS Radio Resource and PUCCH resource coordination in a kind of communication system between the base station again, by PUCCH configuration information of resource mutual between first base station and second base station, PUCCH configuration information of resource according to this second base station, when if the UE SRS resource of first base station services and the second base station PUCCH resource allocation have the overlapping resource on subframe, the UE of first base station services transmitting SRS not on this subframe, thereby produce interference between the PUCCH transmission of the UE SRS transmission of avoiding making first base station services and the second base station services UE, improved the reliability of the PUCCH input in the communication system and the efficient of resource multiplex.
The base station that relates in the embodiment of the invention includes but not limited to base-station, base station transceiver, WAP (wireless access point), the first-class wireless transmission receiving element of less radio-frequency.The UE that the embodiment of the invention relates to comprises wireless transmission receiving equipments such as being not limited to travelling carriage, computer terminal, terminal, hand-held device, access point.
Description by each above embodiment, those skilled in the art can be well understood to the present invention and can realize by the mode of software and essential general hardware platform, certainly, also can pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the method for each embodiment of the present invention.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (14)
1. the resource coordination method in the communication system is characterized in that, comprising:
First base station obtains the configuration information of the Radio Resource of second base station;
The radio configuration resource of second base station is known according to the configuration information of the Radio Resource of described second base station in described first base station;
Data dispatch is not carried out according to the radio configuration resource of described second base station of knowing in described first base station in the radio configuration resource of this second base station.
2. method according to claim 1 is characterized in that,
The configuration information of described Radio Resource comprises Physical Uplink Control Channel PUCCH configuration information of resource or Physical Random Access Channel PRACH configuration information of resource;
Described first base station is not carried out data dispatch and is comprised according to the radio configuration resource of described second base station of knowing in the radio configuration resource of this second base station:
Data dispatch is not carried out according to the PUCCH resource allocation of described second base station of knowing in described first base station in the PUCCH of this second base station resource allocation; Perhaps
Data dispatch is not carried out according to the PRACH resource allocation of described second base station of knowing in described first base station in the PRACH of this second base station resource allocation.
3. method according to claim 1 is characterized in that, the configuration information that first base station obtains the Radio Resource of second base station also comprises before:
First base station and second base station are by the configuration information of interface, X2 interface or the mutual Radio Resource of air interface between the base station.
4. the resource coordination method in the communication system is characterized in that, comprising:
The UE of first base station services receives the configuration information of the Radio Resource of second base station;
The UE of first base station services is known the radio configuration resource of second base station according to the configuration information of the Radio Resource of second base station;
The UE of first base station services is according to the radio configuration resource of described second base station of knowing, when the radio configuration resource of the UE of described first base station services and the radio configuration resource of second base station have the overlapping resource on subframe, the UE of described first base station services does not transmit data on the overlapping resource of described subframe, the UE of perhaps described first base station services does not transmit data on described subframe.
5. method according to claim 4 is characterized in that,
If comprising, the configuration information of described Radio Resource surveys reference symbol SRS configuration information of resource;
When the radio configuration resource of the UE of described first base station services and the radio configuration resource of second base station had the overlapping resource on subframe, the UE of described first base station services did not transmit data on the overlapping resource of described subframe, comprising:
When the Physical Uplink Shared Channel PUSCH resource of the UE of described first base station services and the SRS resource allocation of second base station had the overlapping resource on subframe, the UE of described first base station services did not transmit the PUSCH data on the overlapping resource on the described subframe; Perhaps
When the PUCCH resource of the UE of described first base station services and the SRS resource allocation of second base station had the overlapping resource on subframe, the UE of described first base station services did not transmit the PUCCH data on the overlapping resource on the described subframe.
6. method according to claim 4 is characterized in that, the UE of described first base station services receives the configuration information of the Radio Resource of second base station, comprising:
The UE of described first base station services receives the configuration information of Radio Resource of second base station of first base station broadcast or clean culture.
7. method according to claim 4 is characterized in that,
If the configuration information of described Radio Resource comprises the PUCCH configuration information of resource;
When the radio configuration resource of the UE of described first base station services and the radio configuration resource of second base station had the overlapping resource on subframe, the UE of described first base station services did not transmit data on described subframe, comprising:
When the SRS resource of the UE of described first base station services and the second base station PUCCH resource allocation have the overlapping resource on subframe, the UE of described first base station services transmitting SRS data not on described subframe.
8. a base station is characterized in that, comprising:
First module is used to obtain the configuration information of the Radio Resource of second base station;
Second module is used for the configuration information of the Radio Resource of described second base station that obtains according to described first module, knows the radio configuration resource of described second base station;
Processing module is used for the radio configuration resource of described second base station known according to described second module, does not carry out data dispatch in the radio configuration resource of described second base station.
9. base station according to claim 7 is characterized in that, comprising:
Described second module specifically is used to obtain Physical Uplink Control Channel PUCCH configuration information of resource or Physical Random Access Channel PRACH configuration information of resource;
Described processing module specifically is used for the PUCCH resource allocation according to described second base station of knowing, does not carry out data dispatch in the PUCCH of this second base station resource allocation; Perhaps be used for PRACH resource allocation, in the PRACH of this second base station resource allocation, do not carry out data dispatch according to described second base station of knowing.
10. base station according to claim 7 is characterized in that, also comprises:
Three module is used for and the configuration information of second base station by interface, X2 interface or the mutual Radio Resource of air interface between the base station.
11. a user terminal is characterized in that, comprising:
Receiver module is used to receive the configuration information of the Radio Resource of second base station;
First processing module is used for the configuration information according to the Radio Resource of described receiver module reception, knows the radio configuration resource of second base station;
Second processing module, be used for the radio configuration resource known according to described first processing module, if when the radio configuration resource of the radio configuration resource of described user terminal and described second base station has the overlapping resource on subframe, do not transmit data or on the overlapping resource of described subframe, do not transmit data.
12. terminal according to claim 10 is characterized in that,
Described receiver module specifically is used for receiving detection reference symbol SRS configuration information of resource;
When described second processing module specifically is used on the SRS resource allocation subframe of the PUSCH resource and second base station overlapping resource being arranged, on the overlapping resource of described subframe, do not transmit the PUSCH data; When perhaps the SRS resource allocation in the PUCCH resource and second base station has the overlapping resource on subframe, on the overlapping resource of described subframe, do not transmit the PUCCH data.
13. terminal according to claim 10 is characterized in that,
Described receiver module specifically is used to receive Physical Uplink Control Channel PUCCH configuration information of resource;
Described second processing module specifically is used for when described SRS resource and the second base station PUCCH resource allocation have the overlapping resource on subframe, transmitting SRS data not on described subframe.
14. terminal according to claim 10 is characterized in that, described receiver module receives the configuration information of Radio Resource of second base station of first base station broadcast or clean culture.
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| WO2011098042A1 (en) | 2011-08-18 |
| CN102158964B (en) | 2014-03-12 |
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