CN103096470A - Method and system of announcing using condition of composed carrier wave resources - Google Patents
Method and system of announcing using condition of composed carrier wave resources Download PDFInfo
- Publication number
- CN103096470A CN103096470A CN2011103354589A CN201110335458A CN103096470A CN 103096470 A CN103096470 A CN 103096470A CN 2011103354589 A CN2011103354589 A CN 2011103354589A CN 201110335458 A CN201110335458 A CN 201110335458A CN 103096470 A CN103096470 A CN 103096470A
- Authority
- CN
- China
- Prior art keywords
- resource
- mac
- transmitting terminal
- current
- operating position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a method and a system of announcing a using condition of composed carrier wave resources. The method comprises that a sending end sends the current using condition of composed carrier wave (CC) resources of the sending end to a receiving end through media access control layer control elements. The method and the system of announcing the using condition of the composed carrier wave resources solve the interference problem caused by partial or complete doublication of the CC resources of the sending end and the receiving end, the sending end and the receiving end are enabled to be capable of interacting the mutual using condition information of the CC resources and accordingly coordinating and scheduling own CC resources, efficient scheduling of the CC resources is achieved, interference is avoided or restrained, and the technical effects of improving system performances, handling capacity and a resource using rate are achieved.
Description
Technical field
The present invention relates to the communications field, in particular to Notification Method and the system of a kind of component carrier (Component Carrier is referred to as CC) resource operating position.
Background technology
Along with the development of Mobile Communication Industry and to the continuous growth of mobile data services demand, speed and service quality (the Quality of Service of people to mobile communication, referred to as Qos) requirement more and more higher, so before 3G (Third Generation) Moblie (3G) does not also have extensive commercialization, just begun the research-and-development activity to next generation mobile communication system, wherein relatively be typically the LTE project that third generation partner program (3GPP) starts, the available maximum spectrum bandwidth of LTE system is 20MHz (megahertz).Along with the further evolution of network, LTE-A can provide the spectral bandwidth up to 100MHz as the evolution system of LTE, supports more flexible higher-quality communication, simultaneously the LTE system is possessed good backwards compatibility.In the LTE-A system, a plurality of component carriers (Component Carrier is arranged, referred to as CC) resource, a LTE terminal can only be operated on the CC resource of some backward compatibility, and the stronger LTE-A terminal of ability can be transmitted on a plurality of CC resources simultaneously.
The LTE-A system can with frequency spectrum be dispersed in 450MHz on the frequency range of 3600MHz, and exist each other 200MHz to the distance of 1000MHz, consider different operators building network respectively, the bandwidth of every section frequency spectrum all is difficult to reach the requirement of 100MHz system bandwidth separately.Therefore, 3GPP LTE-A system has introduced carrier aggregation (Carrier Aggregation, CA) technology becomes continuous or discrete LTE carrier extend on a plurality of frequency domains by polymerization the system carrier of LTE-A, thereby the maximum transmission bandwidth of system can be expanded to 100MHz.
Introduced the CA technology in the LTE-A system, allow for each evolved base station (enhanced NodeB, referred to as eNB) a plurality of CC resources of configuration, a plurality of CC resources that configure are used in the eNB polymerization, dispatching each CC resource is user terminal in the residential quarter (User Equipment is referred to as UE) service.The available CC resource of eNB is by network side configuration indication, as by operational administrative and safeguard (Operation Administration and Maintenance, referred to as OAM) the manager CC resource of distributing to eNB indication, eNB uses the CC resource that configures to the UE flexible dispatching, and indicate UE to begin or stop at acceptance service on corresponding CC resource by media access control (Medium Access Control is referred to as MAC) layer activation/deactivation signaling.
MAC layer in LTE and LTE-A system, data between eNB and UE are with MAC SDU (Service Data Unit, service data unit) be unit and media access control layer control element (Medium Access Control Layer Control Element, referred to as MAC CE) be packaged into MAC PDU (Protocol Data Unit by certain rule together, protocol Data Unit), then MAC PDU being passed to lower floor is further processed and sends.
The form of the MAC PDU of LTE system is as shown in Figure 1: be divided on the whole MAC PDU head (Header) and MAC PDU pay(useful) load (Payload) two parts, in a MAC PDU, head part is accepted thereafter effective loading section front.Comprise a plurality of MAC PDU heads (Subheader) in MAC PDU head, pay(useful) load partly comprises several MAC SDU and MAC CE, also may comprise certain byte of padding (Padding) of introducing according to the length legislations of MAC PDU, in pay(useful) load, MAC CE is front, being MAC SDU afterwards, is possible Padding (in figure, " opt " means optional) at last.A MAC SDU, MAC CE or Padding in the corresponding pay(useful) load of each MAC PDU head difference, the relevant information of indicating corresponding MAC SDU or MAC CE, or indication Padding.Each MAC PDU head in MAC PDU head put in order with pay(useful) load in corresponding MAC CE, MAC SDU and Padding put in order corresponding one by one.
MAC PDU head is divided into two classes, is divided into the sub-head that is used to indicate MAC SDU: form and is used to indicate the sub-head of MAC CE or Padding as shown in Figures 2 and 3: form as shown in Figure 4.Shown in Fig. 2-4, (Oct1 represents the first byte, Oct2 represents the second byte, Oct3 represents the 3rd byte) the form of a son form take 1 byte as delegation represent, the son head that is used for MAC SDU can take 2 bytes or 3 bytes, the son head that is used for MAC CE or Padding takies 1 byte.Wherein the implication of each indicating bit is:
The R information bit: length is the reservation position of 1 bit, without the indication implication;
The E information bit: length is 1 bit, and being used to indicate described MAC PDU head next is another MAC PDU head afterwards, or, the beginning of indication pay(useful) load;
The LCID information bit: length is 5 bits, is used to indicate the association attributes of this son corresponding MAC SDU or MAC CE, or indication Padding;
The F information bit: length is 1 bit, and being used to indicate the L zone length is 7bit or 15bit;
The L information bit: length is 7 bits (as shown in Figure 2) or 15 bits (as shown in Figure 3), is used to indicate the message length of corresponding MAC SDU.
The son head that is used for MAC SDU can be expressed as the sub-head of R/R/E/LCID/F/L, and the son head that is used for MAC CE or Padding can be expressed as the sub-head of R/R/E/LCID.Because the length of MAC CE information is fixed, therefore do not need the L zone of indicating length in the corresponding son head of MAC CE, further do not need to indicate the F indicating bit of L zone length yet.
The form of above-mentioned MAC PDU is used for eNB and encapsulates in the processing of MAC layer to data and the control information of relevant MAC layer between UE in the LTE system, eNB is packaged into MAC PDU with data and the relevant MAC control information of each UE, pass to and send to again UE after lower floor further processes, same UE also is transferred to the data of eNB with preparing and the MAC control information of being correlated with is packaged into MAC PDU, passes to send to eNB after lower floor further processes.
introduced relay station (Relay Node in the LTE-A system, referred to as RN), being used for Strengthens network covers, improve throughput of system, in the network of having disposed RN, as shown in Figure 5, the residential quarter of service that eNB covers is called macrocell, eNB and macrocell user (Macro User Equipment, referred to as M-UE) between link be called the link that direct transfers (Direct Link), link between eNB and RN is called back haul link (Backhaul Link) or repeated link, also referred to as the Un interface, the residential quarter of service that RN covers is called the RN residential quarter, RN and relay domain user (Relay User Equipment, referred to as R-UE) between link be called access link (Access Link), the home base station DeNB (Donor eNB) that provides the base station of service to be called this relay station for relay station on back haul link.
The CA technology is not applied to the relay station scene in the LTE-A system, namely RN does not support the CA technology, so RN can not obtain corresponding CC resource distribution, can only use unique carrier wave to provide service as R-UE.In order to reach higher throughput of system, improve user's impression, more the CA technology may be combined with relaying technique in highest version in the LTE system, make RN also support to use the CA technology, network side need to be the available CC resource of RN configuration indication, and RN uses the CC resource that configures to provide the multi-carrier scheduling transmission service as R-UE.So namely bring a problem: the CC resource of DeNB dispatching office configuration provides service for M-UE and RN, the CC resource of RN dispatching office configuration provides service for R-UE, and DeNB and RN are independently to the scheduling of user in residential quarter separately, the CC resource part that configures as DeNB and RN or when all overlapping, independently scheduling meeting brings obvious interference problem separately, cause systematic function to descend, and resource utilization reduce.
For above-mentioned problem, effective solution is proposed not yet at present.
Summary of the invention
The invention provides a kind of Notification Method and system of component carrier resource operating position, with solve at least due to the CC resource part of transmitting terminal and receiving terminal configuration or all overlap cause have a technical problem of interference between transmitting terminal and receiving terminal.
According to an aspect of the present invention, provide a kind of Notification Method of component carrier resource operating position, having comprised: transmitting terminal is notified the operating position of the current C C resource of transmitting terminal to receiving terminal by MAC CE.
Further, transmitting terminal is ownership evolved base station DeNB, and receiving terminal is relay station RN; Perhaps, transmitting terminal is RN, and receiving terminal is DeNB.
Further, the operating position of current C C resource comprises: current service state or the idle condition of being in of each CC resource in all available CC resources of transmitting terminal.
Further, the length of MAC CE is one or two byte, comprising: the indication information position of m bit and the reservation position of n bit, wherein, 7≤m≤16,0≤n≤7, and m+n=8, or m+n=16.
Further, the indication information position of the m bit in MAC CE uses the mode of bitmap to indicate the operating position of current C C resource, wherein, and current service state or the idle condition of being in of each bit corresponding CC resource of indication in the indication information position of m bit.
Further, the indication information position is to represent the current service state that is in of corresponding CC resource at 1 o'clock, and the indication information position is to represent the current idle condition that is in of corresponding CC resource at 0 o'clock; Perhaps, the indication information position is to represent that corresponding CC resource was in current idle condition at 1 o'clock, and the indication information position is to represent the current service state that is in of corresponding CC resource at 0 o'clock.
Further, the one-to-one relationship between the CC resource of each indication information position and corresponding indication is notified receiving terminal by transmitting terminal by high-level signaling.
Further, keep the position without the indication implication.
Further, the CC resource is in service state and refers to that current being scheduled of CC resource serve user terminal, and the CC resource is in idle condition and refers to that current not being scheduled of CC resource serve user terminal.
Further, when transmitting terminal was DeNB, user terminal comprised M-UE and/or RN; Perhaps, when transmitting terminal was RN, user terminal was R-UE.
Further, the structure that is used to indicate the medium access control layer protocol data cell MAC PDU head of MAC CE comprises: the length of MAC PDU head is a byte, a byte comprises respectively R, R, E and LCID information bit, wherein, the R information bit: length is the reservation position of 1 bit, without the indication implication; The E information bit: length is 1 bit, and being used to indicate MAC PDU head next is another MAC PDU head afterwards, or, the beginning of indication pay(useful) load; The LCID information bit: length is 5 bits, is used to indicate PDU corresponding MAC CE of MAC and is the MAC CE of indication current C C resource operating position.
Further, when transmitting terminal was DeNB, the LCID information bit in MAC PDU head was any one value between " 01011 " to " 11010 "; When transmitting terminal was RN, the LCID information bit in MAC PDU head was any one value between " 01011 " to " 11000 ".
Further, when transmitting terminal was DeNB, the LCID information bit in MAC PDU head was " 11010 ".
Further, when transmitting terminal was RN, the LCID information bit in MAC PDU head was " 11000 ".
Further, after transmitting terminal is notified the operating position of the current C C resource of transmitting terminal to receiving terminal by MAC CE, also comprise: receiving terminal carries out coordinated scheduling according to the operating position of the current C C resource of transmitting terminal to the CC resource of receiving terminal.
According to a further aspect in the invention, a kind of reporting system of component carrier resource operating position is provided, has comprised: receiving terminal and transmitting terminal, wherein, transmitting terminal comprises: notification module is used for by MAC CE, the operating position of the current C C resource of transmitting terminal being notified to receiving terminal; Receiving terminal comprises: receiver module is used for the operating position of current C C resource of the transmitting terminal of receiving end/sending end notice.
In the present invention, by MAC CE, the operating position of the current C C resource of transmitting terminal is notified to receiving terminal between transmitting terminal and receiving terminal, like this, receiving terminal can be current according to transmitting terminal the operating position of CC resource come coordinated scheduling to use the CC resource of receiving terminal, thereby avoid or suppress the CC resource part of transmitting terminal and receiving terminal or all overlap and the interference problem that causes, in order to realize efficient CC scheduling of resource, reached the technique effect that improves systematic function, throughput and resource utilization.Further, by adopting the operating position of MAC CE notice current C C resource, can strengthen the real-time of communication, save the signal resource expense.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is a kind of preferred structure schematic diagram according to the LTE MAC PDU of the system structure in correlation technique;
Fig. 2 be according in the MAC PDU of the LTE system in correlation technique corresponding to a kind of preferred structure schematic diagram of the sub-header structure of MAC SDU;
Fig. 3 be according in the MAC PDU of the LTE system in correlation technique corresponding to the another kind of preferred structure schematic diagram of the sub-header structure of MAC SDU;
Fig. 4 be according in the MAC PDU that transmits between the eNB in correlation technique and UE corresponding to a kind of preferred structure schematic diagram of the sub-header structure of MAC CE or Padding;
Fig. 5 is preferred structure chart a kind of according to the relay network system of the embodiment of the present invention;
Fig. 6 is a kind of preferred flow chart according to the Notification Method of the CC resource operating position of the embodiment of the present invention;
Fig. 7 is a kind of preferred structural representation according to the MAC PDU header structure of the embodiment of the present invention;
Fig. 8 is a kind of preferred structural representation according to the MAC CE structure of the embodiment of the present invention;
Fig. 9 is the another kind of preferred structural representation according to the MAC CE structure of the embodiment of the present invention;
Figure 10 is another the preferred structural representation according to the MAC CE structure of the embodiment of the present invention;
Figure 11 is another the preferred structural representation according to the MAC CE structure of the embodiment of the present invention;
Figure 12 is according to the son head of the MAC PDU of the embodiment of the present invention and a kind of preferred schematic diagram of MAC CE corresponding relation;
Figure 13 is according to the son head of the MAC PDU of the embodiment of the present invention and the another kind of preferred schematic diagram of MAC CE corresponding relation;
Figure 14 is a kind of preferred structured flowchart according to the reporting system of the CC resource operating position of the embodiment of the present invention;
Figure 15 is the another kind of preferred structured flowchart according to the reporting system of the CC resource operating position of the embodiment of the present invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.
Based on relay network system shown in Figure 5, the invention provides a kind of Notification Method of preferred CC resource operating position, as shown in Figure 6, the method comprises:
S602: transmitting terminal is notified the operating position of the current C C resource of transmitting terminal to receiving terminal by media access control layer control element MAC CE.Preferably, the operating position of described current C C resource comprises: current service state or the idle condition of being in of each described CC resource in all available CC resources of described transmitting terminal.
S604: receiving terminal carries out coordinated scheduling according to the operating position of the current C C resource of transmitting terminal to the CC resource of receiving terminal.
In above preferred embodiment, by MAC CE, the operating position of the current C C resource of transmitting terminal is notified to receiving terminal between transmitting terminal and receiving terminal, like this, receiving terminal can be current according to transmitting terminal the operating position of CC resource dispatch the CC resource of using receiving terminal, thereby avoid or suppressed the CC resource part of transmitting terminal and receiving terminal configuration or all overlapped and the interference problem that causes, in order to realize efficient CC scheduling of resource, reached the technique effect that improves systematic function, throughput and resource utilization.Further, by adopting the operating position of MAC CE notice current C C resource, can strengthen the real-time of communication, save the signal resource expense.
In a preferred embodiment of the present invention, described transmitting terminal is ownership evolved base station (DeNB), and described receiving terminal is relay station (RN); Perhaps, described transmitting terminal is RN, and described receiving terminal is DeNB.In above-mentioned preferred implementation, by MAC layer signaling make DeNB and RN can real-time, interactive the actual operating position of CC resource separately, adopt MAC CE signaling method can reach the purpose of dynamic transmission CC resource operating position information, MAC CE is along with MAC PDU transmits, has higher flexibility, go for CC resource operating position information interaction demand more frequently, DeNB and RN obtain real-time CC resource operating position each other, as the reference information of resource coordination, thereby obtain higher resource utilization.
In a preferred embodiment of the present invention, when transmitting terminal is DeNB, DeNB comprises the MAC CE information about DeNB CC resource operating position in sending to the MAC PDU of RN, after receiving terminal RN receives this MAC PDU, according to MAC PDU structure, according to the indication of MAC PDU head, obtain the MAC CE corresponding to DeNB CC resource operating position information, and obtain the current operating position information of DeNB CC resource according to the indication of MAC CE.
Accordingly, when transmitting terminal is RN, RN comprises the MAC CE information about RN CC resource operating position in sending to the MAC PDU of DeNB, after receiving terminal DeNB receives this MAC PDU, according to MAC PDU structure, according to the indication of MAC PDU head, obtain the MAC CE corresponding to RN CC resource operating position information, and obtain the current operating position information of RN CC resource according to the indication of MAC CE.
In a preferred embodiment of the present invention, in order to indicate the current operating position of CC resource, increase new MAC CE in the MAC PDU of DeNB and RN transfer of data, namely be used to indicate the MAC CE of CC resource operating position, the length of this MACCE is one or two byte, namely contain 8 or the 16bit information bit, the indication information position that comprises m bit, and the reservation position of n bit, wherein, 7≤m≤16,0≤n≤7, and when this MAC CE length is a byte, m+n=8, when this MAC CE length is two bytes, m+n=16.Preferably, n bit does not indicate any implication for keeping the position, but gives over to the position use of follow-up extend information.Preferably, m bit indication information position is corresponding one by one with all CC resources of transmitting terminal in the mode of bitmap.In a preferred embodiment of the invention, the indication information position is to represent the current service state that is in of corresponding CC resource at 1 o'clock, and the indication information position is to represent the current idle condition that is in of corresponding CC resource at 0 o'clock; Perhaps, the indication information position is to represent that corresponding CC resource was in current idle condition at 1 o'clock, and the indication information position is to represent the current service state that is in of corresponding CC resource at 0 o'clock.
In all CC resources of transmitting terminal and corresponding MAC CE, the one-to-one relationship of m bit indication information position is by transmitting terminal and receiving terminal agreement, preferably, one-to-one relationship between the CC resource of each indication information position and corresponding indication is notified receiving terminal by transmitting terminal by high-level signaling, wherein, notified the call number of all CC resources of receiving terminal in high-level signaling by transmitting terminal, each CC resource is corresponding one by one according to each indication information position in call number and MAC CE.
Preferably, the CC resource is in service state and refers to that current being scheduled of CC resource serve user terminal, and the CC resource is in idle condition and refers to that current not being scheduled of CC resource serve user terminal.
Preferably, when transmitting terminal was DeNB, user terminal comprised M-UE and/or RN; Perhaps, when transmitting terminal was RN, user terminal was R-UE.
Preferably, after receiving terminal obtained this MAC CE, the m bit information indication according to the indication information position obtained the current use state of all CC resources of transmitting terminal.
In a preferred embodiment of the present invention, in order to indicate the newly-increased MAC CE that introduces, the corresponding MAC PDU head that also needs to indicate this MACCE.Preferably, adopting length is the MAC PDU header structure of a byte, and the 8bit information bit comprises respectively R/R/E/LCID, wherein,
The R information bit: length is the reservation position of 1 bit, without the indication implication;
The E information bit: length is 1 bit, and being used to indicate described MAC PDU head next is another MAC PDU head afterwards, or, the beginning of indication pay(useful) load;
The LCID information bit: length is 5 bits, is used to indicate the MAC CE that PDU corresponding MAC CE of described MAC is described indication current C C resource operating position.
Preferably, for the MAC CE that represents this MAC PDU head indication is the newly-increased MAC CE of the current operating position of indication CC resource, LCID information bit in this MAC PDU head need to be one of selection in existing reservations of agreement LCID value interval, and the retention for the LCID of DSCH Downlink Shared Channel DL-SCH (Downlink Shared Channel) is " 01011 " to " 11010 " field at present.When transmitting terminal is DeNB, send MAC PDU to receiving terminal RN, when wherein comprising the MAC CE of indication DeNB CC resource, select any one value to get final product in above-mentioned retention interval, preferably, the value of the LCID information bit in this MAC PDU head can be defined as " 11010 ".Same, the retention that is used at present the LCID information bit of Uplink Shared Channel UL-SCH (Uplink Shared Channel) is " 01011 "-" 11000 " fields.When transmitting terminal is RN, send MAC PDU to receiving terminal DeNB, when wherein comprising the MAC CE of indication RN CC resource, select any one value to get final product in above-mentioned retention interval, preferably, the value of the LCID information bit in this MAC PDU head can be defined as " 11000 ".
Be used to indicate corresponding MAC CE by defining above-mentioned MAC PDU head, and newly-increased MAC CE is used to indicate CC resource operating position, can reaches the purpose of dynamically notifying presently used CC resource between DeNB and RN.
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and several specific embodiment.
The present embodiment sends MAC PDU and describes as example take DeNB to RN, wherein, MAC PDU contains the MAC CE that is used to indicate the current operating position of all CC resources of DeNB, DeNB is the position of MAC CE in MAC PDU pay(useful) load corresponding to indication, position in the MACPDU head with MAC PDU head shown in Figure 7, wherein, the value of supposing the LCID information bit in MAC PDU head is defined as " 11010 ", represents that MAC CE corresponding to this MAC PDU head is the MAC CE of indication CC resource operating position.
The present embodiment sends MAC PDU and describes as example take RN to DeNB, wherein, MAC PDU contains the MAC CE that is used to indicate the current operating position of all CC resources of RN, RN indicates the position of this MAC CE in MAC PDU pay(useful) load with MAC PDU shown in Figure 7 the position in MAC PDU head, wherein, the value of supposing the LCID information bit in MAC PDU head is defined as " 11000 ", represents that MAC CE corresponding to this MAC PDU head is the MAC CE of indication CC resource operating position.
Embodiment 4
The present embodiment adopts a byte take the MAC CE that is used to indicate the current CC resource operating position of RN structure describes as example, and as shown in Figure 8, wherein, front 7bit is the indication information position, and last 1bit is for keeping the position.
RN notifies following information to DeNB by high-level signaling: the index (Index) of each CC resource in 7 all CC resources of RN, the namely one-to-one relationship of 7bit indication information position in 7 CC resources and MAC CE.DeNB namely can obtain the operating position of current each CC resource of RN according to above-mentioned CC resource index number and with the one-to-one relationship of corresponding indication information position from MAC CE after the MAC CE that receives indication RN CC resource operating position.In this preferred embodiment, suppose that all CC resource numbers of RN notice DeNB are respectively CC resource 1-CC resource 7, CC resource 1-CC resource 7 corresponds respectively to the 7bit indication information position C1-C7 in MAC CE illustrated in fig. 8.
Send in the MAC PDU of DeNB at RN, contain the MAC CE that is used to indicate the current operating position of all CC resources of RN, DeNB is according to after the indication of MAC PDU head obtains corresponding MAC CE in MAC PDU pay(useful) load accordingly, and further the set form according to MAC CE obtains the current resource operating position that is in service/idle condition of each CC resource.Suppose in structure shown in Figure 8, indication information position Ci represents the current service state that is in of CC resource i when being " 1 ", and indication information position Ci represents the current idle condition that is in of CC resource i when being " 0 ".As shown in Figure 9,7 indication information positions that are used to indicate in the MAC CE of the current operating position of CC resource are " 1011010 ", this shows that index is 2,4,5, the current service state that is in of 7 CC resource, just by the RN dispatch service in user terminal, and index is 1,3, the current idle condition that is in of 6 CC resource, not by the RN dispatch service in user terminal.
Embodiment 5
The present embodiment adopts two bytes take the MAC CE that is used to indicate DeNB CC resource operating position structure describes as example, as shown in figure 10, wherein, front 7bit in the 8bit of the first byte (Oct1) and the second byte (Oct2) is the indication information position, and the last 1bit in the second byte is for keeping the position.
DeNB notifies following information to RN by high-level signaling: in 15 all CC resources of DeNB, and the index of each CC resource, the namely one-to-one relationship of 15bit indication information position in 15 CC resources and MAC CE.RN namely can obtain the operating position of current each CC resource of DeNB according to above-mentioned CC resource index number and with the one-to-one relationship of corresponding indication information position from MAC CE after the MAC CE that receives indication DeNB CC resource operating position.In this preferred embodiment, suppose that DeNB notifies all CC resources of RN to number respectively and is respectively CC resource 1-CC resource 15, as shown in figure 10, CC resource 1-CC resource 15 corresponds respectively to the 15bit indication information position C1-C15 in MAC CE illustrated in fig. 10.
Send in the MAC PDU of RN at DeNB, contain the MAC CE that is used to indicate the current operating position of all CC resources of DeNB, RN is according to after the indication of MAC PDU head obtains corresponding MACCE in MAC PDU pay(useful) load accordingly, and further the set form according to MAC CE obtains the current resource operating position that is in service/idle condition of each CC resource.Suppose in structure shown in Figure 10, indication information position Ci represents the current service state that is in of CC resource i when being " 1 ", and indication information position Ci represents the current idle condition that is in of CC resource i when being " 0 ".As shown in figure 11,15 indication information positions that are used to indicate in the MAC CE of the current operating position of CC resource are " 101100011000110 ", and this shows that index is 2,3,7,8,12, the current service state that is in of 13,15 CC resource, just by the DeNB dispatch service in user terminal, and index is Isosorbide-5-Nitrae, 5,6,9,10, the current idle condition that is in of 11,14 CC resource, not by the DeNB dispatch service in user terminal.
Embodiment 6
DeNB has obtained the configuration of 10 DeNB CC resources from the configuration information of OAM, RN has obtained the configuration of 6 RN CC resources from OAM, DeNB and RN are (preferred by high-level signaling, DeNB and RN are by DeNB/RNConfiguration message) the CC resource allocation information that self obtains each other of notice, and determine the call number (CC Index) of each CC resource, and in the MAC CE of the current operating position of indication CC resource and the one-to-one relationship between each bit indication information position.
Take transmitting terminal as DeNB, the LCID information bit in MAC PDU head is that example describes for " 11010 " expression MAC CE for the MAC CE that indicates the current operating position of DeNB CC resource:
Along with DeNB uses at direct Link and backhaul link scheduling 10 DeNB CC resources that configure, DeNB is periodic, perhaps according to Event triggered, to the current operating position of RN notice DeNB CC resource, comprise the indication information of the current operating position of above-mentioned indication CC resource at the packet that sends to RN.Due to DeNB CC resource more than 8, the MAC CE that is used to indicate DeNB CC resource operating position should adopt the structure of two bytes, as shown in figure 10, wherein, 10bit indication information position corresponding to C1-C10 is corresponding one by one with DeNB CC resource, whether by DeNB scheduling used current according to each CC resource, and relative set is service/idle condition respectively, C11-C15 bit position does not have indicative function this moment, is set to idle condition.
DeNB is included in the MAC CE of the current operating position of above-mentioned indication DeNB CC resource in the MAC PDU that sends to RN, and with the particular location of corresponding MAC PDU head this MAC CE of indication in MAC PDU, as shown in figure 12, in the head part of MAC PDU, the LCID zone of second MAC PDU head be " 11010 ", and namely indicating the MAC CE of this MACPDU head indication is the MAC CE that indicates the current operating position of DeNB CC resource.Accordingly, in MACPDU pay(useful) load part, second MAC CE is for indicating the MAC CE of the current operating position of DeNB CC resource, RN obtains corresponding MAC CE according to the indication of MAC PDU structure and son head, and obtains the current operating position of all CC resources of DeNB according to each indication information position of MAC CE.
Same, take transmitting terminal as RN, the MAC CE that the LCID information bit in MAC PDU head is the current operating position of indication DeNB CC resource for " 11000 " expression MAC CE is that example describes.
Along with RN uses in Access link scheduling 6 DeNB CC resources that configure, RN is periodic, perhaps according to Event triggered, report the current operating position of RN CC resource to DeNB, comprise the indication information of the current operating position of above-mentioned indication CC resource at the packet that is transferred to DeNB.Because RN CC resource is less than 7, the MAC CE that is used to indicate RN CC resource operating position adopts the structure of a byte to get final product, as shown in Figure 8, wherein, 6bit indication information position corresponding to C1-C6 is corresponding one by one with RN CC resource, whether by RN scheduling used current according to each CC resource, and relative set is service/idle condition respectively, the C7bit position does not have indicative function this moment, is set to idle condition.
RN is included in the MAC CE of the current operating position of above-mentioned indication RN CC resource in the MAC PDU that sends to DeNB, and with the particular location of corresponding MAC PDU head this MAC CE of indication in MAC PDU, as shown in figure 13, in the head part of MAC PDU, the LCID zone of first MAC PDU head be " 11000 ", and namely indicating the MAC CE of this MACPDU head indication is the MAC CE that indicates the current operating position of RN CC resource.Accordingly, in MAC PDU pay(useful) load part, first MAC CE is the MAC CE of the current operating position of indication RN CC resource, DeNB obtains corresponding MAC CE according to the indication of MAC PDU structure and son head, and obtains the current operating position of all CC resources of RN according to each indication information position of MAC CE.
Embodiment 7
Based on above embodiment, the present invention also provides a kind of reporting system of preferred CC resource operating position, and as shown in figure 14, the reporting system 140 of this CC resource operating position comprises: transmitting terminal 1402 and receiving terminal 1404, wherein,
Transmitting terminal 140 comprises: notification module 14022 is used for by MAC CE, the operating position of the current C C resource of transmitting terminal being notified to receiving terminal;
Receiving terminal 1404 comprises: receiver module 14042 is used for the operating position of current C C resource of the transmitting terminal of receiving end/sending end notice.
In a preferred embodiment of the invention, as shown in figure 15, receiving terminal 1404 also comprises: scheduler module 14044 is used for according to the operating position of the current C C resource of transmitting terminal, the CC resource of receiving terminal being carried out coordinated scheduling.
In above preferred embodiment, by media access control layer control element (MAC CE), the operating position of the current C C resource of transmitting terminal is notified to receiving terminal between transmitting terminal and receiving terminal, like this, receiving terminal can be current according to transmitting terminal the operating position of CC resource come coordinated scheduling to use the CC resource of receiving terminal, thereby avoid or suppressed the CC resource part of transmitting terminal and receiving terminal configuration or all overlapped and the interference problem that causes, in order to realize efficient CC scheduling of resource, reached the technique effect that improves systematic function, throughput and resource utilization.Further, by adopting the operating position of MAC CE notice current C C resource, can strengthen the real-time of communication, save the signal resource expense.
Preferably, transmitting terminal 1402 can be the DeNB in above preferred embodiment, and receiving terminal 1404 can be the RN in above preferred embodiment; Perhaps, transmitting terminal 1402 can be the RN in above preferred embodiment, and receiving terminal 1404 can be the DeNB in above preferred embodiment, does not repeat them here.
Preferably, the structure of the MAC CE in the present embodiment and indicating mode and corresponding structure and the value of MAC PDU can be as described in above-mentioned embodiment, do not repeat them here.
obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (18)
1. the Notification Method of a component carrier CC resource operating position, is characterized in that, comprising:
Transmitting terminal is notified the operating position of the current C C resource of described transmitting terminal to receiving terminal by media access control layer control element MAC CE.
2. method according to claim 1, is characterized in that, described transmitting terminal is ownership evolved base station DeNB, and described receiving terminal is relay station RN; Perhaps, described transmitting terminal is RN, and described receiving terminal is DeNB.
3. method according to claim 1, is characterized in that, the operating position of described current C C resource comprises: current service state or the idle condition of being in of each described CC resource in all available CC resources of described transmitting terminal.
4. method according to claim 1, is characterized in that, the length of described MAC CE is one or two byte, comprising: the indication information position of m bit and the reservation position of n bit, wherein, 7≤m≤16,0≤n≤7, and m+n=8, or m+n=16.
5. method according to claim 4, it is characterized in that, the mode of the indication information position use bitmap of the m bit in described MAC CE is indicated the operating position of described current C C resource, wherein, current service state or the idle condition of being in of each bit corresponding CC resource of indication in the indication information position of described m bit.
6. method according to claim 5, is characterized in that, described indication information position is to represent the current service state that is in of corresponding described CC resource at 1 o'clock, and described indication information position is to represent the current idle condition that is in of corresponding described CC resource at 0 o'clock; Perhaps, described indication information position is to represent that corresponding described CC resource was in current idle condition at 1 o'clock, and described indication information position is to represent the current service state that is in of corresponding described CC resource at 0 o'clock.
7. method according to claim 4, is characterized in that, the one-to-one relationship between the CC resource of described each indication information position and corresponding indication is notified described receiving terminal by described transmitting terminal by high-level signaling.
8. method according to claim 4, is characterized in that, described reservation position nothing indication implication.
9. the described method of any one according to claim 1 to 8, it is characterized in that, described CC resource is in service state and refers to that current being scheduled of described CC resource serve user terminal, and described CC resource is in idle condition and refers to that current not being scheduled of described CC resource serve user terminal.
10. method according to claim 9, is characterized in that, when described transmitting terminal was DeNB, described user terminal comprised macrocell user M-UE and/or RN; Perhaps, when described transmitting terminal was RN, described user terminal was relay domain user R-UE.
11. method according to claim 1 is characterized in that, the structure that is used to indicate the medium access control layer protocol data cell MAC PDU head of described MAC CE comprises:
The length of MAC PDU head is a byte, and a described byte comprises respectively R, R, E and LCID information bit, wherein,
The R information bit: length is the reservation position of 1 bit, without the indication implication;
The E information bit: length is 1 bit, and being used to indicate described MAC PDU head next is the sub-head of another MACPDU afterwards, or, the beginning of indication pay(useful) load;
The LCID information bit: length is 5 bits, is used to indicate the MAC CE that PDU corresponding MAC CE of described MAC is described indication current C C resource operating position.
12. method according to claim 11 is characterized in that, when described transmitting terminal was DeNB, the LCID information bit in described MAC PDU head was any one value between " 01011 " to " 11010 "; When described transmitting terminal was RN, the LCID information bit in described MAC PDU head was any one value between " 01011 " to " 11000 ".
13. method according to claim 12 is characterized in that, when described transmitting terminal was DeNB, the LCID information bit in described MAC PDU head was " 11010 ".
14. method according to claim 12 is characterized in that, when described transmitting terminal was RN, the LCID information bit in described MAC PDU head was " 11000 ".
15. method according to claim 1 is characterized in that, after transmitting terminal is notified the operating position of the current C C resource of described transmitting terminal to receiving terminal by described MAC CE, also comprises:
Described receiving terminal carries out coordinated scheduling according to the operating position of the current C C resource of described transmitting terminal to the CC resource of described receiving terminal.
16. the reporting system of a component carrier resource operating position is characterized in that, comprising: receiving terminal and transmitting terminal, wherein, described transmitting terminal comprises:
Notification module is used for by MAC CE, the operating position of the current C C resource of described transmitting terminal being notified to receiving terminal;
Described receiving terminal comprises:
Receiver module is used for receiving the operating position of current C C resource of the described transmitting terminal of described transmitting terminal notice.
17. system according to claim 16 is characterized in that, described receiving terminal also comprises: scheduler module is used for according to the operating position of the current C C resource of described transmitting terminal, the CC resource of described receiving terminal being carried out coordinated scheduling.
18. system according to claim 16 is characterized in that, described transmitting terminal is ownership evolved base station DeNB, and described receiving terminal is relay station RN; Perhaps, described transmitting terminal is RN, and described receiving terminal is DeNB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103354589A CN103096470A (en) | 2011-10-28 | 2011-10-28 | Method and system of announcing using condition of composed carrier wave resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103354589A CN103096470A (en) | 2011-10-28 | 2011-10-28 | Method and system of announcing using condition of composed carrier wave resources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103096470A true CN103096470A (en) | 2013-05-08 |
Family
ID=48208444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103354589A Pending CN103096470A (en) | 2011-10-28 | 2011-10-28 | Method and system of announcing using condition of composed carrier wave resources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103096470A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117841A (en) * | 2011-11-16 | 2013-05-22 | 中兴通讯股份有限公司 | Informing method and system forming carrier resource configuration information |
| WO2017059595A1 (en) * | 2015-10-10 | 2017-04-13 | 华为技术有限公司 | Information exchange method, base station and terminal |
| CN108353317A (en) * | 2015-04-10 | 2018-07-31 | 三星电子株式会社 | Method and apparatus for receiving mac pdu in mobile communication system |
| CN110139372A (en) * | 2018-02-09 | 2019-08-16 | 电信科学技术研究院有限公司 | A kind of feedback method, system, electronic equipment and computer readable storage medium |
| CN114785453A (en) * | 2016-11-04 | 2022-07-22 | 松下电器（美国）知识产权公司 | Efficient multiplexing of control information in transport blocks |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873577A (en) * | 2009-04-27 | 2010-10-27 | 大唐移动通信设备有限公司 | Method, system and device for informing UE to change monitoring of component carrier |
| CN101990245A (en) * | 2009-08-04 | 2011-03-23 | 中兴通讯股份有限公司 | Transmission method, transmission device and receiving device for relay link |
| CN102131206A (en) * | 2010-01-14 | 2011-07-20 | 华为技术有限公司 | Measurement method and user equipment |
| CN102204386A (en) * | 2008-10-31 | 2011-09-28 | 交互数字专利控股公司 | Method and apparatus for monitoring and processing component carriers |
-
2011
- 2011-10-28 CN CN2011103354589A patent/CN103096470A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102204386A (en) * | 2008-10-31 | 2011-09-28 | 交互数字专利控股公司 | Method and apparatus for monitoring and processing component carriers |
| CN101873577A (en) * | 2009-04-27 | 2010-10-27 | 大唐移动通信设备有限公司 | Method, system and device for informing UE to change monitoring of component carrier |
| CN101990245A (en) * | 2009-08-04 | 2011-03-23 | 中兴通讯股份有限公司 | Transmission method, transmission device and receiving device for relay link |
| CN102131206A (en) * | 2010-01-14 | 2011-07-20 | 华为技术有限公司 | Measurement method and user equipment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117841A (en) * | 2011-11-16 | 2013-05-22 | 中兴通讯股份有限公司 | Informing method and system forming carrier resource configuration information |
| CN103117841B (en) * | 2011-11-16 | 2018-04-27 | 中兴通讯股份有限公司 | The Notification Method and system of component carrier resource allocation information |
| CN108353317A (en) * | 2015-04-10 | 2018-07-31 | 三星电子株式会社 | Method and apparatus for receiving mac pdu in mobile communication system |
| WO2017059595A1 (en) * | 2015-10-10 | 2017-04-13 | 华为技术有限公司 | Information exchange method, base station and terminal |
| CN108370611A (en) * | 2015-10-10 | 2018-08-03 | 华为技术有限公司 | Method, base station and the terminal of information exchange |
| CN108370611B (en) * | 2015-10-10 | 2020-11-27 | 华为技术有限公司 | Information interaction method, base station and terminal |
| CN114785453A (en) * | 2016-11-04 | 2022-07-22 | 松下电器（美国）知识产权公司 | Efficient multiplexing of control information in transport blocks |
| CN114785453B (en) * | 2016-11-04 | 2023-12-01 | 松下电器（美国）知识产权公司 | Efficient multiplexing of control information in transport blocks |
| CN110139372A (en) * | 2018-02-09 | 2019-08-16 | 电信科学技术研究院有限公司 | A kind of feedback method, system, electronic equipment and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11516879B2 (en) | Wireless communication method using enhanced distributed channel access, and wireless communication terminal using same | |
| CN101932019B (en) | Method, terminal and network system for reporting buffer status report | |
| US10708958B2 (en) | Transmitting trigger frame in wireless local area network and wireless terminal using the same | |
| CN107637121A (en) | Method and apparatus for sending or receiving dispatch request in mobile communication system | |
| WO2010139847A1 (en) | Effective labeling of subframes based on device-to-device transmission in cellular downlink spectrums | |
| TW201536088A (en) | Method and system for controlling access to a wireless communication medium | |
| CN109428626A (en) | A kind of method for transmitting signals, relevant device and system | |
| CN112787793B (en) | Wireless communication method using trigger information, and wireless communication terminal | |
| CN103096470A (en) | Method and system of announcing using condition of composed carrier wave resources | |
| US20220022211A1 (en) | Communication method and apparatus | |
| CN114009127A (en) | User equipment and scheduling equipment | |
| KR102427070B1 (en) | Wireless communication method with wireless communication terminal for long-distance transmission and wireless communication terminal using same | |
| CN103096471A (en) | Notification method and system for forming carrier wave resource information | |
| CN101932112B (en) | Semi-persistent scheduling method and system | |
| US11018841B2 (en) | Method for transmitting and receiving acknowledgement information in wireless LAN system and device for same | |
| KR20180081372A (en) | Method and apparatus for user equipment operation for supporting multiple service in wireless communication system supporting communication between user equipments | |
| CN107509251B (en) | Back-off method and device | |
| Li et al. | Resource allocation for multiclass service in IoT uplink communications | |
| CN112714496A (en) | Wireless local area network communication method, controller and access point | |
| US20230337217A1 (en) | Network time sectoring | |
| Dutta et al. | Interoperability of wifi and wimax | |
| US20230087887A1 (en) | Traffic management for wireless stations (stas) that do not support restricted target wake time (r-twt) operation | |
| US20240064865A1 (en) | Wireless communication method using enhanced distributed channel access, and wireless communication terminal using same | |
| CN112787791B (en) | Wireless communication method using trigger information, and wireless communication terminal | |
| US8520590B1 (en) | Efficient in-band backhaul |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |