CN101291512B - Downlink resource indicating method and device - Google Patents
Downlink resource indicating method and device Download PDFInfo
- Publication number
- CN101291512B CN101291512B CN200710093789XA CN200710093789A CN101291512B CN 101291512 B CN101291512 B CN 101291512B CN 200710093789X A CN200710093789X A CN 200710093789XA CN 200710093789 A CN200710093789 A CN 200710093789A CN 101291512 B CN101291512 B CN 101291512B
- Authority
- CN
- China
- Prior art keywords
- frequency resource
- running time
- resource
- subscriber equipment
- bitmap
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004891 communication Methods 0.000 claims abstract description 19
- 230000011664 signaling Effects 0.000 claims description 104
- 230000003068 static effect Effects 0.000 description 44
- 235000019580 granularity Nutrition 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for indicating the downgoing resource. The method is used for saving the communication resources and dispatching the communication resources flexibly and comprises the following steps that: a progression base station sends a message for indicating the time-frequency resource distribution to user equipment, in the message, a bitmap of the distributed time-frequency resource before the distribution of the time-frequency resource is identified intensively; moreover, the time-frequency resource identified in the time-frequency resource indication of each user equipment is only the vacant time-frequency resource before the distribution of the time-frequency resource in this time; the user equipment analyzes the bitmap of the distributed time-frequency resource and the time-frequency resource indication from the received message and obtains the time-frequency resource distributed for the equipment according to the analyzed message. The invention also discloses the evolution base station, the user equipment and the communication system.
Description
Technical field
The present invention relates to the computer and the communications field, particularly relate to downlink resource indicating method and device.
Background technology
A main direction of studying of communication system is 3GPP Long Term Evolution (Long TermEvolution at present; LTE) system; In 3GPP LTE system; The OFDM access (OrthogonalFrequency Division Multiple Access, OFDMA) technology is the technical foundation and the main feature of LTE system, the performance that the OFDMA system parameters is set whole system can produce decisive influence; Wherein the carrier spacing is again the basic parameter of OFDMA system, more finally confirms as 15kHz through theory analysis and emulation.The least resource piece of up-downgoing is 375kHz, 25 number of sub-carrier width just, and data can adopt concentrated (localized) mode or discrete (distributed) mode to the mapping mode of Resource Block.The Physical Resource Block (PRB) that is made up of running time-frequency resource is the scarce resource of system; Need carry out the running time-frequency resource scheduling by evolution base station (Evolved Node B); Be each user equipment allocation running time-frequency resource, and notify each subscriber equipment with time-frequency resource allocating information with signaling method.The requirement of data transfer delay aspect very high (end-to-end delay is less than 5ms), this index request LTE system must adopt very little weaving length.Usually (Transmission Time Interval comprises time-frequency resource allocating information in several symbols before TTI) at a Transmission Time Interval.But do not stipulate clearly also in 3GPP LTE system evolution base station should with what signaling format transmission time-frequency resource allocating information.
In existing 3G technology, radio network controller is each subscriber equipment dynamic assignment running time-frequency resource, and notifies the running time-frequency resource of each user equipment allocation through the downlink resource indication information.The downlink resource indication information comprises customer equipment identification (UEID), the resource location that distributes and distributes duration that the resource location that wherein distributes is with the form sign of bitmap.The corresponding bitmap that is used to identify the resource location that is assigned with of customer equipment identification.
Along with the development of communication system, the signaling format that need be saved the communication resource more and be applicable to the system resource scheduling.
Summary of the invention
The embodiment of the invention provides a kind of downlink resource indicating method and device, in order to save the communication resource and to realize flexible dispatching.
A kind of downlink resource indicating method may further comprise the steps:
Evolution base station sends the message that is used to indicate time-frequency resource allocating to subscriber equipment; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment;
Subscriber equipment parses the bitmap and the indication of said running time-frequency resource of the said running time-frequency resource that has distributed from the said message of receiving, and is known as the running time-frequency resource of this devices allocation according to the information that parses.
A kind of evolution base station comprises:
Signaling unit; Be used to generate the message of indication time-frequency resource allocating; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment; With
Transmitting element is used for sending said message to subscriber equipment.
A kind of subscriber equipment comprises:
Receiving element; Be used to receive the message that evolution base station sends; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment; With
Resolution unit is used for parsing from the said message of receiving the bitmap and the indication of said running time-frequency resource of the said running time-frequency resource that has distributed, and is known as the running time-frequency resource of this devices allocation according to the information that parses.
A kind of communication system comprises:
Evolution base station; Be used for sending the message that is used to indicate time-frequency resource allocating to subscriber equipment; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment; With
Subscriber equipment is used for parsing from the said message of receiving the bitmap and the indication of said running time-frequency resource of the said running time-frequency resource that has distributed, and is known as the running time-frequency resource of this devices allocation according to the information that parses.
Present embodiment provides the multiple message format that is used for the downlink resource indication, uses this message format and can save the communication resource.
Description of drawings
Fig. 1 is a communication system in the embodiment of the invention;
Fig. 2 is the structure chart of evolution base station in the embodiment of the invention;
Fig. 3 is the structure chart of subscriber equipment in the embodiment of the invention;
Fig. 4 is the main method flow chart of downlink resource indication in the embodiment of the invention;
Fig. 5 is the method flow diagram of the embodiment of the invention three;
Fig. 6 is the signaling format sketch map in the embodiment of the invention three;
Fig. 7 is the structural representation of static resource indication information in the embodiment of the invention;
Fig. 8 to Figure 12 is the structural representation of the first dynamic resource indication information in the embodiment of the invention three;
Figure 13 is the method flow diagram of the embodiment of the invention four;
Figure 14 is the sketch map of signaling format in the embodiment of the invention four;
Figure 15 is the method flow diagram of the embodiment of the invention five;
Figure 16 is the sketch map of signaling format in the embodiment of the invention five;
Figure 17 is the method flow diagram of the embodiment of the invention six;
Figure 18 is the sketch map of signaling format in the embodiment of the invention six;
Figure 19 is the method flow diagram of the embodiment of the invention seven;
Figure 20 is the sketch map of signaling format in the embodiment of the invention seven.
Embodiment
In the LTE system, there are static state or semi-persistent scheduling and mix automatically and retransmit that (HybridAutomatic Repeat Request HARQ), so some running time-frequency resources were assigned with, or is configured to subscriber equipment before this sub-distribution.Present embodiment is the running time-frequency resource through having distributed before this sub-distribution of bitmap centralised identity running time-frequency resource in signaling; Through the running time-frequency resource sign is the running time-frequency resource of each subscriber equipment dynamic assignment; And in the running time-frequency resource indication of each subscriber equipment, do not comprise the bit-identify of the said running time-frequency resource that has distributed, reach the purpose of saving the communication resource.
In the present embodiment base unit of running time-frequency resource be Resource Block (Resource Block, RB), a plurality of continuous Resource Block are called subband (SUBBAND), running time-frequency resource can be unit with the subband also.
Evolution base station can adopt the running time-frequency resource that multiple signaling format indication distributes in the present embodiment, and subscriber equipment is resolved signaling in the corresponding way.The common ground of multiple signaling format is; The static resource indication information of the running time-frequency resource that signaling comprises is used for having distributed before this sub-distribution of centralised identity running time-frequency resource, difference are that signaling comprises is used to be designated the dynamic resource indication information of the running time-frequency resource of each user's dynamic assignment.The dynamic resource indication information is the first dynamic resource indication information; Be used in reference to and be shown the running time-frequency resource that subscriber equipment distributed of supporting that the subcarrier continous way distributes; Or be the second dynamic resource indication information, be used in reference to and be shown the running time-frequency resource that subscriber equipment distributed of supporting the distributed distribution of subcarrier.Present embodiment only provides a kind of signaling format that is applicable to complex scene.Evolution base station can be controlled the form and the length of signaling flexibly according to actual conditions, for example includes only the subscriber equipment of supporting that the subcarrier continous way distributes in the current network, and then signaling does not comprise the second dynamic resource indication information.
The first dynamic resource indication information has multiple, comprising:
(1) this first dynamic resource indication information is divided with subscriber equipment; The corresponding dynamic resource indication information of subscriber equipment, each first dynamic resource indication information comprise that customer equipment identification and sign only are except that by the bitmap of the running time-frequency resource the running time-frequency resource of static allocation;
(2) this first dynamic resource indication information is divided with subscriber equipment equally, and each first dynamic resource indication information comprises customer equipment identification and Resource Block number;
(3) this first dynamic resource indication information is divided with subscriber equipment equally, and each first dynamic resource indication information comprises customer equipment identification, is the sub-band information of this user equipment allocation and Resource Block number;
(4) this first dynamic resource indication information is divided with resource section; This resource section is a plurality of continuous Resource Block, can be subband, or a plurality of continuous subband; The corresponding customer equipment identification of each resource section and Resource Block number, a plurality of resource section can customer equipment identification of correspondence;
(5) this first dynamic resource indication information comprises: customer equipment identification sequence and resource section, the call number that call number and the Resource Block number of the corresponding customer equipment identification of resource section, a plurality of resource section can customer equipment identifications of correspondence.
Embodiment one
Present embodiment is mainly introduced a kind of system of downlink resource indication and device wherein.
Referring to Fig. 1, the system in the present embodiment comprises evolution base station 101 and subscriber equipment 102.
Referring to Fig. 2, evolution base station 101 comprises scheduling unit 201, signaling unit 202 and transmitting element 203 in the present embodiment.
Transmitting element 203 signaling that broadcast signaling unit 202 generates in broadcast channel.Further the scheduling result according to running time-frequency resource issues data to each subscriber equipment 102 in corresponding running time-frequency resource.
Referring to Fig. 3, subscriber equipment 102 comprises receiving element 301, resolution unit 302, control unit 303 in the present embodiment.
Receiving element 301 receives the signaling of evolution base station 101 broadcasting in broadcast channel, and in the running time-frequency resource of appointment, receives data according to the indication of control unit 303, and to memory cell etc., memory cell is not shown with the storage that receives.
Embodiment two
Referring to Fig. 4, the main flow process of downlink resource indicating method is following in the present embodiment:
Step 401: evolution base station 101 carries out the running time-frequency resource scheduling according to scheduling rule.The scheduling of running time-frequency resource can be to be granularity with the Resource Block, also can be to be granularity with the subband, also can be the combination of two kinds of granularities.
Step 402: evolution base station 101 generates signaling according to scheduling result, and this signaling comprises static resource indication information and dynamic resource indication information, can also comprise transmission mode and distribute duration etc.Evolution base station 101 these signalings of broadcasting.
Step 403: subscriber equipment 102 receives signaling through broadcast channel.
Step 404: subscriber equipment 102 is resolved signaling, obtains static resource indication information and dynamic resource indication information, and knows the running time-frequency resource that is assigned with according to self identification.
Embodiment three
In the present embodiment, each dynamic resource indication information comprises customer equipment identification and sign only except that by the bitmap of the running time-frequency resource the running time-frequency resource of static allocation, and the idiographic flow of its downlink resource indicating method is as shown in Figure 5:
Step 501: evolution base station 101 carries out running time-frequency resource according to scheduling rule to be dispatched, and is the granularity of scheduling with the Resource Block.When netinit disposes, stipulated that which Resource Block is used for the continous way subcarrier, which Resource Block is used for distributed sub-carrier, and evolution base station 101 all has been configured this regulation with subscriber equipment 102.
Step 502: evolution base station 101 generates signaling according to scheduling result; Signaling format is referring to shown in Figure 6; The static resource indication information of signaling front end comprises the bit-identify of all Resource Block, identifies by the Resource Block of static or semi-static distribution, with the Resource Block of 0 current free time of sign with 1 usually; The signaling rear end comprises the first dynamic resource indication information and the second dynamic resource indication information.The first dynamic resource indication information is divided according to subscriber equipment 102; The corresponding subscriber equipment 102 of dynamic resource indication information; Dynamic resource indication information comprises the sign of subscriber equipment and is used to be designated the bitmap of the Resource Block that this subscriber equipment 102 distributes; In this bitmap everybody is designated Resource Block idle in the static resource indication information, wherein with 1 be designated these subscriber equipment 102 distribution Resource Block.The second dynamic resource indication information comprises the sign and the corresponding resource blocks number of subscriber equipment.For the subscriber equipment 102 of supporting the distributed distribution of subcarrier, the average gain that receives data from each Resource Block is identical, so only need once to get final product for the subscriber equipment 102 distributes resource blocks numbers of supporting the distributed distribution of subcarrier.
Step 503: evolution base station 101 is mapped to physical resource with signaling and this signaling of broadcasting in broadcast channel.
Step 504: subscriber equipment 102 receives this signaling in broadcast channel.
Step 505: 102 pairs of signalings that receive of subscriber equipment are resolved, and know the Resource Block that is assigned with according to information that parses and the sign of self.
For the subscriber equipment 102 of supporting that the subcarrier continous way distributes; At first know the position of idling-resource piece according to the static resource indication information; Sign according to self finds corresponding bitmap then, just can know the Resource Block that is assigned with in conjunction with the idling-resource piece position in the static resource indication information and self corresponding bitmap.As Resource Block add up to 10, the static resource indication information is 0010100010, Resource Block of a bit-identify wherein, and the order of bit-identify is identical with the order of Resource Block, 0 sign idling-resource piece, the Resource Block that 1 sign has been assigned with.The first dynamic resource indication information of party A-subscriber's equipment 102 comprises A1001000; Wherein A is the sign of subscriber equipment 102; 1001000 is the pairing bitmap of A; Each bit-identify in this bitmap is the Resource Block that 0 in the static resource indication information 0010100010 identified, and the sign of 1 in 1001000 is distributed to the Resource Block of A identifying user equipment 102.Perhaps, in the static resource indication information 0010100010 first 0 with last 0 sign be the Resource Block that is used for distributed sub-carrier, be 10010 corresponding to the bitmap of party A-subscriber's equipment 102, as follows:
0010100010 static resource indication information
The bitmap of 100 10 party A-subscriber's equipment 102
102 need of subscriber equipment of supporting the subcarrier continous way to distribute parse the static resource indication information and the first corresponding dynamic resource indication information of self identification just can be known the running time-frequency resource that is assigned with.
For the subscriber equipment 102 of supporting the distributed distribution of subcarrier; At first know the position of idling-resource piece according to the static resource indication information; Sign according to self finds corresponding Resource Block number m from the second dynamic resource indication information then; And from the second preceding dynamic resource indication information, resolving and calculating is the Resource Block sum k that other subscriber equipment 102 distributes, and begins from k+1 Resource Block of the idling-resource piece of the Resource Block that is used for distributed sub-carrier that searching m Resource Block successively is the Resource Block that is assigned with in proper order again.These subscriber equipment 102 orders are resolved signaling and are arrived till the corresponding Resource Block number place of self identification.
Step 506: evolution base station 101 bases are that the running time-frequency resource scheduling result is sent data to each subscriber equipment 102.Subscriber equipment 102 receives data according to the running time-frequency resource that is assigned with on physical layer.
Step 507: subscriber equipment 102 judges whether the data that receive are correct, if correct, then carry data to arrive last layer, otherwise abandons data.
Static resource indication information among this embodiment is to be that example describes with wholly-owned source bitmap block (Full RB BITMAP), and the static resource indication information also can be the subband bitmap, is about to running time-frequency resource and is divided into a plurality of isometric subbands; A bit-identify in the subband bitmap is used for identifying a subband; If only give subscriber equipment 102, need be assigned with the concrete distribution condition of subband so with Resource Block bitmap sign, as 010010 with the part resource block assignments in the subband; 011001; 100110, wherein 1 in 010010 is used for identifying the subband that is assigned with, and 1 in 011001 and 100110 are used for identifying the Resource Block that is assigned with in this subband.Referring to shown in Figure 7.
Bitmap in the first dynamic resource indication information among this embodiment is to be that example describes with wholly-owned source bitmap block equally; Bitmap in the first dynamic resource indication information also can be the subband bitmap, or the position relies on bitmap (Position-Dependent BITMAP) etc.It is that a subscriber equipment 102 corresponding bit-identifies depend on the bit-identify in preceding subscriber equipment 102 correspondences that the position relies on bitmap, referring to shown in Figure 8.The subband bitmap is to be the scheduling granularity with the subband, and a bit-identify is used for identifying a subband, and the bit-identify in this subband bitmap is the bit-identify of idle subband in the static resource indication information, referring to shown in Figure 9.On the basis of Fig. 9, the subband bitmap can also comprise the bit-identify that is used to identify subband internal distribution pattern, and the bit-identify in this subband bitmap is the bit-identify of idle Resource Block in idle subband and the subband in the static resource indication information, referring to shown in Figure 10.The allocation model of Resource Block can not fixed in each subband; Help running time-frequency resource scheduling more flexibly; The bitmap that identifies the back through a flag bit still is about the bitmap of Resource Block in the subband for the subband bitmap about whole running time-frequency resource; Referring to shown in Figure 11; Wherein, do not comprise the bit-identify of the subband that is assigned with fully in the static resource indication information, include only the bit-identify of idle Resource Block in the static resource indication information about the bitmap of Resource Block in the subband about the subband bitmap of whole running time-frequency resource.The scheduling granularity of running time-frequency resource can change according to actual needs; In bitmap, identifying through Resource Block flag bit (SRB) is what Resource Block to be granularity with; Perhaps regard the length that limits subband as; A bit-identify is used for identifying said what Resource Block, and this bit-identify identified for idle Resource Block in the static resource indication information, referring to shown in Figure 12.
Present embodiment with similar prior art savings in comparison signaling consumption, take less system resource.And a kind of scheme of indicating running time-frequency resources for the subscriber equipment 102 of supporting the distributed distribution of subcarrier is provided.
Embodiment four
In the present embodiment, each first dynamic resource indication information is divided according to subscriber equipment 102, and when each first dynamic resource indication information comprised customer equipment identification and Resource Block number, the idiographic flow of its downlink resource indicating method was shown in figure 13:
Step 1301: evolution base station 101 carries out the running time-frequency resource scheduling according to scheduling rule.
Step 1302: evolution base station 101 generates signaling according to scheduling result, and the static resource indication information of signaling front end can be used wholly-owned source bitmap block sign or identify with the subband bitmap, and is as shown in Figure 7.The signaling rear end comprises the first dynamic resource indication information and the second dynamic resource indication information.The first dynamic resource indication information is divided according to subscriber equipment 102, comprises the sign and the corresponding resource blocks number of subscriber equipment.The sign of a subscriber equipment corresponding one or the multinomial first dynamic resource indication information.The sign of one the first corresponding subscriber equipment of dynamic resource indication information.The second dynamic resource indication information comprises the sign and the corresponding resource blocks number of subscriber equipment.Signaling format is referring to shown in Figure 14.
Step 1303: evolution base station 101 is mapped to physical resource with signaling and this signaling of broadcasting in broadcast channel.
Step 1304: subscriber equipment 102 receives this signaling in broadcast channel.
Step 1305: 102 pairs of signalings that receive of subscriber equipment are resolved, and know the Resource Block that is assigned with according to information that parses and the sign of self.
For the subscriber equipment 102 of supporting that the subcarrier continous way distributes; At first know the position of idling-resource piece according to the static resource indication information; Sign according to self finds corresponding Resource Block number m then; And from the first preceding dynamic resource indication information, resolving and calculate Resource Block number and the k that distributes into other subscriber equipment 102, begin to search m Resource Block according to predefined rule ordering from k+1 Resource Block of the idling-resource piece that is used for the continous way subcarrier and be the Resource Block that is assigned with.These subscriber equipment 102 orders are resolved signaling and are arrived till the corresponding Resource Block number place of self identification.If the corresponding multinomial first dynamic resource indication information of the sign of a subscriber equipment then need parse complete signaling.
Predefined rule is as search according to the order of idling-resource piece from front to back successively; As searching successively from back to front according to the order of idling-resource piece; As according to the order of idling-resource piece from front to back compartment search, like sequential search according to first and third, five idling-resource pieces.
The method of resolving signalings for the subscriber equipment of supporting the distributed distribution of subcarrier 102 as previously mentioned.
Step 1306: evolution base station 101 bases are that the running time-frequency resource scheduling result is sent data to each subscriber equipment 102.Subscriber equipment 102 receives data according to the running time-frequency resource that is assigned with on physical layer.
Step 1307: subscriber equipment 102 judges whether the data that receive are correct, if correct, then carry data to arrive last layer, otherwise abandons data.
The first dynamic resource indication information comprises the sign and the Resource Block number information of subscriber equipment in the present embodiment; If corresponding multinomial first dynamic resource indication information of subscriber equipment; Then the sign of this subscriber equipment will repeat repeatedly, and the sign of subscriber equipment is generally 16.In view of the above; Present embodiment provides another kind of preferable mode; The sign that replaces subscriber equipment through the call number of customer equipment identification; Call number is 4 in the present embodiment; Signaling comprises tabulation, the first dynamic resource indication information and the second dynamic resource indication information of static resource indication information, customer equipment identification so, and wherein quantity and the position in tabulation according to the identified in list of customer equipment identification is that each sign is set call number, and the first dynamic resource indication information comprises call number and Resource Block number information.After the subscriber equipment of supporting the subcarrier continous way to distribute is received this signaling; Know the call number that self is corresponding according to the tabulation of customer equipment identification; And further know self corresponding reaching at the preceding first dynamic resource indication information and static resource indication information, further know the running time-frequency resource that self is assigned with according to the above-mentioned information of knowing.
The first dynamic resource indication information in the present embodiment does not adopt bitmap identifying resource piece, adopts the signaling format of this kind mode can save the communication resource significantly.
Embodiment five
In the present embodiment; The first dynamic resource indication information is divided according to subscriber equipment 102; Each first dynamic resource indication information comprises customer equipment identification, during for the sub-band information of this user equipment allocation and Resource Block number, the idiographic flow of downlink resource indicating method is shown in figure 15:
Step 1501: evolution base station 101 carries out the running time-frequency resource scheduling according to scheduling rule.
Step 1502: evolution base station 101 generates signaling according to scheduling result, and the static resource indication information of signaling front end can be used wholly-owned source bitmap block sign or identify with the subband bitmap, and is as shown in Figure 7.The signaling rear end comprises the first dynamic resource indication information and the second dynamic resource indication information.The first dynamic resource indication information is divided according to subscriber equipment 102, comprise subscriber equipment sign, be the sub-band information of this user equipment allocation and corresponding resource blocks number.One first corresponding customer equipment identification of dynamic resource indication information, one first dynamic resource indication information comprises one or more sub-band informations and one or multinomial corresponding resource blocks number information.For example sub-band information comprises the bit-identify of the spendable subband of a plurality of these subscriber equipmenies, according to the order of bit-identify in the subband bitmap, and the corresponding Resource Block number information of bit-identify, multinomial Resource Block number information constitutes a Resource Block number tabulation.Perhaps corresponding Resource Block number information of sub-band information, the corresponding multinomial Resource Block number information of a plurality of sub-band informations.The second dynamic resource indication information comprises the sign and the corresponding resource blocks number of subscriber equipment.Signaling format is referring to shown in Figure 16.
Step 1503: evolution base station 101 is mapped to physical resource with signaling and this signaling of broadcasting in broadcast channel.
Step 1504: subscriber equipment 102 receives this signaling in broadcast channel.
Step 1505: 102 pairs of signalings that receive of subscriber equipment are resolved, and know the Resource Block that is assigned with according to information that parses and the sign of self.
For the subscriber equipment 102 of supporting that the subcarrier continous way distributes, at first know the position of idling-resource piece according to the static resource indication information, the sign according to self finds corresponding sub-band information and Resource Block number m then.Sub-band information is as 010010, and subscriber equipment 102 can use the idling-resource piece in the subband of " 1 " sign.Subscriber equipment 102 parses the Resource Block that is assigned with at other preceding subscriber equipment 102; Know the idling-resource piece in the subband of appointment in conjunction with the static resource indication information; Search m Resource Block according to the idling-resource piece that is used for the continous way subcarrier of predefined rule from the subband of appointment, be the Resource Block of distributing to this subscriber equipment 102.During the corresponding multinomial Resource Block number information of sub-band information, subscriber equipment is resolved signaling and is known that the method for the running time-frequency resource that is assigned with is identical with the method for foregoing description, repeats no more at this.Subscriber equipment 102 orders are resolved signaling and only need be resolved to self identification corresponding Resource Block number and sub-band information.
The method of resolving signalings for the subscriber equipment of supporting the distributed distribution of subcarrier 102 as previously mentioned.
Step 1506: evolution base station 101 bases are that the running time-frequency resource scheduling result is sent data to each subscriber equipment 102.Subscriber equipment 102 receives data according to the running time-frequency resource that is assigned with on physical layer.
Step 1507: subscriber equipment 102 judges whether the data that receive are correct, if correct, then carry data to arrive last layer, otherwise abandons data.
The first dynamic resource indication information in the present embodiment comprises sub-band information and Resource Block number, adopts the signaling format of this kind mode to save the communication resource with respect to prior art, more is applicable to the flexible dispatching of running time-frequency resource with respect to method shown in Figure 13.
Embodiment six
In the present embodiment, the first dynamic resource indication information is divided with resource section, and when corresponding customer equipment identification of resource section and Resource Block number, the idiographic flow of downlink resource indicating method is shown in figure 17:
Step 1701: evolution base station 101 carries out the running time-frequency resource scheduling according to scheduling rule.
Step 1702: evolution base station 101 generates signaling according to scheduling result, and the static resource indication information of signaling front end can be used wholly-owned source bitmap block sign or identify with the subband bitmap, and is as shown in Figure 7.The signaling rear end comprises the first dynamic resource indication information and the second dynamic resource indication information.The first dynamic resource indication information is divided according to resource section; Corresponding one the first dynamic resource indication information of resource section; The continuous resource piece or the subband of quantity such as each resource section comprises; Corresponding customer equipment identification of resource section and Resource Block number, a plurality of resource section can customer equipment identification of correspondence.The second dynamic resource indication information comprises the sign and the corresponding resource blocks number of subscriber equipment.Signaling format is referring to shown in Figure 180.
Step 1703: evolution base station 101 is mapped to physical resource with signaling and this signaling of broadcasting in broadcast channel.
Step 1704: subscriber equipment 102 receives this signaling in broadcast channel.
Step 1705: 102 pairs of signalings that receive of subscriber equipment are resolved, and know the Resource Block that is assigned with according to information that parses and the sign of self.
For the subscriber equipment 102 of supporting that the subcarrier continous way distributes; At first know the position of idling-resource piece according to the static resource indication information; Sign according to self finds corresponding resource section and Resource Block number m then, and subscriber equipment 102 can corresponding a plurality of resource section.Subscriber equipment 102 is according to the resource section position of correspondence (can according to knowing corresponding resource section position in the preceding resource section or the first dynamic resource indication information) and combine the static resource indication information to know the available free Resource Block; Search the Resource Block of corresponding number from the idling-resource piece that is used for the continous way subcarrier of each resource section respectively according to predefined rule, be the Resource Block that is assigned with.
The method of resolving signalings for the subscriber equipment of supporting the distributed distribution of subcarrier 102 as previously mentioned.
Step 1706: evolution base station 101 bases are that the running time-frequency resource scheduling result is sent data to each subscriber equipment 102.Subscriber equipment 102 receives data according to the running time-frequency resource that is assigned with on physical layer.
Step 1707: subscriber equipment 102 judges whether the data that receive are correct, if correct, then carry data to arrive last layer, otherwise abandons data.
The first dynamic resource indication information is divided with resource section in the present embodiment; Be to adopt the signaling format of this kind mode can obviously save the communication resource under the comparatively continuous situation of the Resource Block that distributes of a subscriber equipment 102, and can carrying out the running time-frequency resource scheduling comparatively flexibly with respect to method shown in Figure 13 with respect to prior art.
Embodiment seven
In the present embodiment, the first dynamic resource indication information comprises customer equipment identification sequence and resource section, and when the call number of a corresponding customer equipment identification of resource section and Resource Block number, the idiographic flow of downlink resource indicating method is shown in figure 19:
Step 1901: evolution base station 101 carries out the running time-frequency resource scheduling according to scheduling rule.
Step 1902: evolution base station 101 generates signaling according to scheduling result, and the static resource indication information of signaling front end can be used wholly-owned source bitmap block sign or identify with the subband bitmap, and is as shown in Figure 7.The signaling rear end comprises customer equipment identification sequence, the first dynamic resource indication information and the second dynamic resource indication information.The first dynamic resource indication information is divided according to resource section; The continuous resource piece or the subband of quantity such as each resource section comprises; The first dynamic resource indication information comprises the call number and the Resource Block number of customer equipment identification; Call number and a Resource Block number of the corresponding customer equipment identification of resource section, a plurality of resource section can a corresponding customer equipment identification call number, wherein call number is set according to the position of customer equipment identification in sequence.The second dynamic resource indication information comprises the sign and the corresponding resource blocks number of subscriber equipment.Signaling format is referring to shown in Figure 20.
Step 1903: evolution base station 101 is mapped to physical resource with signaling and this signaling of broadcasting in broadcast channel.
Step 1904: subscriber equipment 102 receives this signaling in broadcast channel.
Step 1905: 102 pairs of signalings that receive of subscriber equipment are resolved, and know the Resource Block that is assigned with according to information that parses and the sign of self.
For the subscriber equipment 102 of supporting that the subcarrier continous way distributes; At first know the position of idling-resource piece according to the static resource indication information; Then according to self sign; Customer equipment identification sequence through in the first dynamic resource indication information is known the self identification position; And obtain corresponding call number according to coding rule, and further find corresponding resource section and Resource Block number according to this call number, combine the resource section of static resource indication information and correspondence to know spendable idling-resource piece; Search the Resource Block of corresponding number according to predefined rule from the idling-resource piece that is used for the continous way subcarrier of each resource section again, be the Resource Block that is assigned with.
The method of resolving signalings for the subscriber equipment of supporting the distributed distribution of subcarrier 102 as previously mentioned.
Step 1906: evolution base station 101 bases are that the running time-frequency resource scheduling result is sent data to each subscriber equipment 102.Subscriber equipment 102 receives data according to the running time-frequency resource that is assigned with on physical layer.
Step 1907: subscriber equipment 102 judges whether the data that receive are correct, if correct, then carry data to arrive last layer, otherwise abandons data.
The first dynamic resource indication information is divided with resource section in the present embodiment; Under the situation that the Resource Block that is 102 distribution of a subscriber equipment comparatively disperses, replace customer equipment identification through call number; Adopt the signaling format of this kind mode can obviously save the communication resource, and can carry out the running time-frequency resource scheduling comparatively flexibly with respect to method shown in Figure 13 with respect to prior art and method shown in Figure 17.
Present embodiment is that the signaling format with the static resource indication information of the running time-frequency resource that has been assigned with before being used to identify, the first dynamic resource indication information, the second dynamic resource indication information is that example describes; The static resource indication information of the running time-frequency resource that has been assigned with before being used to identify also can be in the signaling rear end, and the order of the first dynamic resource indication information and the second dynamic resource indication information is also interchangeable.This moment, subscriber equipment was if resolve signaling according to order from front to back; Then need parse complete signaling and just can know the running time-frequency resource that is assigned with; If the order according to is from back to front resolved signaling; Then feasible solution is separated out the part signaling and just can be known the running time-frequency resource that is assigned with, wherein this subscriber equipment possibly depend on after know the running time-frequency resource that self is assigned with for the running time-frequency resource information of other user equipment allocation.
The embodiment of the invention provides the multiple signaling format that is used for the downlink resource indication, uses this signaling format and can save the communication resource, and be applicable to the flexible dispatching of running time-frequency resource.Simultaneously, present embodiment also provides the method for the subscriber equipment indication time-frequency resource allocating of supporting the distributed distribution of subcarrier.The embodiment of the invention also provides the method for the preferable parsing signaling corresponding with signaling format, can improve the efficient of resolving signaling.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (14)
1. a downlink resource indicating method is characterized in that, comprising:
Evolution base station sends the message that is used to indicate time-frequency resource allocating to subscriber equipment; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment;
Subscriber equipment parses the bitmap and the indication of said running time-frequency resource of the said running time-frequency resource that has distributed from the said message of receiving, and is known as the running time-frequency resource of this devices allocation according to the information that parses.
2. downlink resource indicating method as claimed in claim 1 is characterized in that, the bitmap of the said running time-frequency resource that has distributed is wholly-owned source bitmap block or is the subband bitmap.
3. according to claim 1 or claim 2 downlink resource indicating method; It is characterized in that said running time-frequency resource is designated as about the running time-frequency resource indication of supporting the subscriber equipment that the subcarrier continous way distributes or is the running time-frequency resource indication about the subscriber equipment of supporting the distributed distribution of subcarrier.
4. downlink resource indicating method as claimed in claim 3; It is characterized in that said running time-frequency resource indication about the subscriber equipment of supporting the distributed distribution of subcarrier comprises: the sign of subscriber equipment and with the corresponding Resource Block number information that is assigned with of said sign;
The subscriber equipment of the distributed distribution of said support subcarrier; According to the pairing Resource Block number that is assigned with of bitmap, the self identification of the said running time-frequency resource that has distributed with in the corresponding Resource Block number information of the subscriber equipment of the preceding distributed distribution of support subcarrier, know the running time-frequency resource that is assigned with.
5. downlink resource indicating method as claimed in claim 3; It is characterized in that, saidly comprise: the sign of subscriber equipment and identify the bitmap of the running time-frequency resource that is assigned with corresponding being used to of said sign about the running time-frequency resource indication of supporting the subscriber equipment that the subcarrier continous way distributes;
The subscriber equipment that said support subcarrier continous way distributes is known the running time-frequency resource that is assigned with according to the bitmap and the corresponding bitmap of self identification of the said running time-frequency resource that has distributed at least.
6. downlink resource indicating method as claimed in claim 3; It is characterized in that, saidly comprise: the information relevant and identify the corresponding Resource Block number information that is assigned with said with the sign of subscriber equipment about the running time-frequency resource indication of supporting the subscriber equipment that the subcarrier continous way distributes;
The subscriber equipment that said support subcarrier continous way distributes; According to the bitmap of the corresponding Resource Block number information that is assigned with of self identification, predefined rule, the said running time-frequency resource that has distributed with in the corresponding Resource Block number information of each subscriber equipment that preceding support subcarrier continous way distributes, know the running time-frequency resource that is assigned with.
7. downlink resource indicating method as claimed in claim 6; It is characterized in that; One said about supporting corresponding subscriber equipment of running time-frequency resource indication of the subscriber equipment that the subcarrier continous way distributes; The said information relevant with customer equipment identification is the sign of subscriber equipment, and is said about supporting the running time-frequency resource indication of the subscriber equipment that the subcarrier continous way distributes further to be included as the sub-band information of the running time-frequency resource of this user's distribution;
The subscriber equipment that said support subcarrier continous way distributes is further known the running time-frequency resource that is assigned with according to the sub-band information of correspondence.
8. downlink resource indicating method as claimed in claim 7 is characterized in that, the corresponding one or more sub-band informations of subscriber equipment, the corresponding Resource Block number information of sub-band information.
9. downlink resource indicating method as claimed in claim 6; It is characterized in that; Running time-frequency resource is divided into a plurality of isometric resource section; The corresponding one or more resource section of subscriber equipment, one of a resource section correspondence is said about supporting the running time-frequency resource indication of the subscriber equipment that the subcarrier continous way distributes.
10. downlink resource indicating method as claimed in claim 9 is characterized in that, the said information relevant with customer equipment identification is the sign of subscriber equipment;
The subscriber equipment of supporting the subcarrier continous way to distribute is further known the running time-frequency resource that is assigned with according to self identification corresponding resource section and the resource section before the resource section of said correspondence.
11. downlink resource indicating method as claimed in claim 9 is characterized in that, said message also comprises the sign of subscriber equipment, and the said information relevant with customer equipment identification is the call number of customer equipment identification;
The subscriber equipment of supporting the subcarrier continous way to distribute obtains call number according to the position of self identification in signaling, and knows the running time-frequency resource that is assigned with according to the running time-frequency resource indication of this call number correspondence and in preceding running time-frequency resource indication.
12. an evolution base station is characterized in that, comprising:
Signaling unit; Be used to generate the message of indication time-frequency resource allocating; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment; With
Transmitting element is used for sending said message to subscriber equipment.
13. a subscriber equipment is characterized in that, comprising:
Receiving element; Be used to receive the message that evolution base station sends; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment; With
Resolution unit is used for parsing from the said message of receiving the bitmap and the indication of said running time-frequency resource of the said running time-frequency resource that has distributed, and is known as the running time-frequency resource of this devices allocation according to the information that parses.
14. a communication system is characterized in that, comprising:
Evolution base station; Be used for sending the message that is used to indicate time-frequency resource allocating to subscriber equipment; The bitmap of the running time-frequency resource that in said message, has distributed before this sub-distribution of centralised identity running time-frequency resource, and idle running time-frequency resource before the running time-frequency resource of sign is merely this sub-distribution running time-frequency resource in the running time-frequency resource indication of each subscriber equipment; With
Subscriber equipment is used for parsing from the said message of receiving the bitmap and the indication of said running time-frequency resource of the said running time-frequency resource that has distributed, and is known as the running time-frequency resource of this devices allocation according to the information that parses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710093789XA CN101291512B (en) | 2007-04-18 | 2007-04-18 | Downlink resource indicating method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710093789XA CN101291512B (en) | 2007-04-18 | 2007-04-18 | Downlink resource indicating method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101291512A CN101291512A (en) | 2008-10-22 |
| CN101291512B true CN101291512B (en) | 2012-05-23 |
Family
ID=40035529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710093789XA Expired - Fee Related CN101291512B (en) | 2007-04-18 | 2007-04-18 | Downlink resource indicating method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101291512B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101754396B (en) * | 2008-12-01 | 2012-06-27 | 电信科学技术研究院 | Method, system and device for indicating transmission mode |
| CN101925004B (en) * | 2009-06-17 | 2016-12-07 | 中兴通讯股份有限公司 | The treating method and apparatus of dynamic scheduling information based on Multimedia Broadcast Multicast Service |
| US9014025B2 (en) | 2010-10-04 | 2015-04-21 | Futurewei Technologies, Inc. | System and method for coordinating different types of base stations in a heterogeneous communications system |
| CN103856922A (en) * | 2012-12-04 | 2014-06-11 | 工业和信息化部电信传输研究所 | Resource utilization method based on LTE indoor/hotspot enhancement |
| CN105610593B (en) * | 2014-11-05 | 2020-06-16 | 中兴通讯股份有限公司 | Method and device for distributing resource identification in network management system |
| EP3243341B1 (en) | 2015-04-10 | 2019-06-26 | HFI Innovation Inc. | Resource allocation design for low cost machine-type communication |
| CN106304380B (en) * | 2015-06-26 | 2021-04-06 | 中兴通讯股份有限公司 | Resource scheduling indication method and device |
| KR20180084735A (en) | 2015-11-13 | 2018-07-25 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | Radio resource allocation method and apparatus |
| CN106130705A (en) * | 2016-08-12 | 2016-11-16 | 江苏中兴微通信息科技有限公司 | A kind of band resource distribution indicating means under frequency division multiple access transmission mode |
| CN112584522B (en) * | 2016-12-23 | 2023-07-04 | Oppo广东移动通信有限公司 | Method for transmitting data, network device and terminal device |
| IL267662B (en) * | 2016-12-26 | 2022-06-01 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Method for indicating frequency domain resource, terminal device and network device |
| CN108282871B (en) | 2017-01-06 | 2023-11-21 | 华为技术有限公司 | Receiving node, transmitting node and transmission method |
| CN108430107B (en) | 2017-02-11 | 2024-03-05 | 华为技术有限公司 | Data transmission method, device and system |
| CN108633051B (en) * | 2017-03-24 | 2023-03-24 | 中兴通讯股份有限公司 | Method, device, terminal, base station and equipment for determining data transmission resources |
| DK3606211T3 (en) | 2017-05-03 | 2021-07-05 | Guangdong Oppo Mobile Telecommunications Corp Ltd | METHOD FOR WIRELESS COMMUNICATION, TERMINAL DEVICE AND NETWORK DEVICE |
| US11510230B2 (en) | 2017-11-28 | 2022-11-22 | Beijing Xiaomi Mobile Software Co., Ltd. | Method of indicating uplink feedback information and method of transmitting uplink feedback information |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691545A (en) * | 2004-04-30 | 2005-11-02 | 华为技术有限公司 | Method for distributing physical layer resources and device for receiving and transmitting data stream |
| EP1610573A1 (en) * | 2004-06-25 | 2005-12-28 | Samsung Electronics Co., Ltd. | Resource allocation method in a multicarrier communication system |
| CN1728695A (en) * | 2004-07-27 | 2006-02-01 | 华为技术有限公司 | Method for assigning resources of time frequency in communication system |
| CN1881853A (en) * | 2005-06-15 | 2006-12-20 | 华为技术有限公司 | Method for distributing time-frequency resource of wireless communication system |
| CN1889402A (en) * | 2005-06-28 | 2007-01-03 | 华为技术有限公司 | Multiplexing realizing method for radio communication system time frequency resource |
-
2007
- 2007-04-18 CN CN200710093789XA patent/CN101291512B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691545A (en) * | 2004-04-30 | 2005-11-02 | 华为技术有限公司 | Method for distributing physical layer resources and device for receiving and transmitting data stream |
| EP1610573A1 (en) * | 2004-06-25 | 2005-12-28 | Samsung Electronics Co., Ltd. | Resource allocation method in a multicarrier communication system |
| CN1728695A (en) * | 2004-07-27 | 2006-02-01 | 华为技术有限公司 | Method for assigning resources of time frequency in communication system |
| CN1881853A (en) * | 2005-06-15 | 2006-12-20 | 华为技术有限公司 | Method for distributing time-frequency resource of wireless communication system |
| CN1889402A (en) * | 2005-06-28 | 2007-01-03 | 华为技术有限公司 | Multiplexing realizing method for radio communication system time frequency resource |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101291512A (en) | 2008-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101291512B (en) | Downlink resource indicating method and device | |
| CN101371609B (en) | Localized and distributed transmission | |
| CN101345974B (en) | Method and system for scheduling mobile terminal to transmit ascending signal channel detection pilot frequency | |
| CN101296212B (en) | Time frequency resource allocation method, device and base station for resource demand indication information | |
| CN102231722B (en) | Resource allocations | |
| EP3125630A1 (en) | Base station and method for resource allocation | |
| CN101064638B (en) | Resource distribution instructing method and apparatus for communication system | |
| CN104202740A (en) | Communication data transmitting method and device and user equipment | |
| CN105960807A (en) | System and method for WLAN OFDMA design of subcarrier groups and frame format | |
| KR20080048292A (en) | Apparatus and method for allocating uplink sounding resource in a communication system | |
| CN101868996A (en) | Method and apparatus for sharing a group resource in a wireless sdma system | |
| CN102742238A (en) | Methods and systems for CSI-RS transmission in LTE-ADVANCE systems | |
| CN104956753A (en) | Mobile communication base station and method for allocating resources outside of a virtual carrier based on UE capabilities | |
| CN101754232A (en) | Descending reference signaling transport method, base station, subscriber equipment and wireless communication system | |
| CN104956754A (en) | Mobile communication device and method for allocating system information among virtual carriers for machine-type communications | |
| CN101355803B (en) | Signaling method | |
| CN102763472A (en) | Resource allocation signalling | |
| CN102938690A (en) | Sending method, receiving method and device of response messages | |
| CN101473574B (en) | Resource block scheduling in communication networks | |
| CN101399763A (en) | Downlink service data scheduling method and apparatus | |
| CN101553034B (en) | Resource distributing method | |
| CN101527934A (en) | Method, system and correlative device for allocating resources | |
| CN107809306B (en) | Method and device for UE (user equipment) and base station in wireless transmission | |
| US20120263132A1 (en) | Method for encoding resource indexes in wireless communication system, and base station | |
| CN101155406B (en) | Resource allocation indicating method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |