CN102118236B - Feedback method and feedback device based on competitive resource - Google Patents
Feedback method and feedback device based on competitive resource Download PDFInfo
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- CN102118236B CN102118236B CN200910238884.3A CN200910238884A CN102118236B CN 102118236 B CN102118236 B CN 102118236B CN 200910238884 A CN200910238884 A CN 200910238884A CN 102118236 B CN102118236 B CN 102118236B
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Abstract
The embodiment of the invention provides a feedback method of a CB resource. The method includes the following steps: network equipment receives uplink information sent by transmitting equipment on the CB resource; and when working out the uplink information, the network equipment exactly feeds back what is received to the transmitting equipment through a first physical downlink control channel that is identified and occulted by the transmitting equipment. The embodiment of the invention also provides a retransmission confirmation method of the CB resource and a transmitting method of the CB resource. Moreover, the embodiment of the invention also correspondingly provides the network equipment and the transmitting equipment. With the technical scheme, the transmitting equipment can accurately learn that the uplink information transmitted by the transmitting equipment is received rightly or wrongly, and learn the received state more quickly. The transmitting method of the CB resource provided in the embodiment can enable the uplink data and/or BSR ready for transmitting to be sent smoothly on the CB resource.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of feedback technique based on competitive resource.
Background technology
In communication system, in order to reduce the time delay of signaling plane and user's face, several schemes have been proposed.These technical schemes comprise minimizing RACH (Random Access Channel, Random Access Channel) dispatching cycle, reduce PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel) cycle, reduce the processing delay of UE (User Equipment, subscriber equipment) and eNB (Evolved Node B, evolution base station), and use CB (Contention Based, based on competition) resource to carry out uplink information.
Use CB resource to send uplink information and can, when there is no special-purpose uplink transmission resource, transmit fast and effectively small amount of data.CB resource is not for each UE, and all UE in Ke Gong community are used.
The method of using CB resource to carry out uplink is: eNB is by a special-purpose sign CB-RNTI (Contention Based Radio Network Temporary Identifier, Radio Network Temporary Identifier based on competition) to the mandate of all UE notice competitive resources in community, UE can carry out uplink after CB resource being detected in CB resource.Particularly, when offered load is lighter, can make user can realize as early as possible the uplink of data by distribution CB resource.
ENB is after receiving uplink information, if correctly solved, by PHICH (PhysicaiHybrid-ARQ Indicator Channel, physical hybrid automatic repeat request indicator channel) feeding back ACK, if correctly do not solved, feeds back NACK by PHICH.Such feedback method can cause the UE clashing also can receive ACK, thus correctly transmission of misidentification.Therefore, can cause the loss of this part UE data, or back off time.
Summary of the invention
Embodiments of the invention provide a kind of feedback method and device of CB resource, transmitting terminal can be known and know that the whether successful receiving end of the uplink of this transmitting terminal in CB resource solves.
The feedback method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
The network equipment receives the uplink information that transmitting apparatus sends in CB resource;
When solving described uplink information, the network equipment receives to transmitting apparatus feedback is correct by a PDCCH (Physical DownlinkControl Channel, Physical Downlink Control Channel), and a PDCCH is used transmitting apparatus sign to add and covers.
The feedback method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
The network equipment receives the uplink information that transmitting apparatus sends in CB resource;
The network equipment detects the conflict on the CB Resource Block that carries uplink information;
When not solving uplink information and conflict do not detected, the network equipment is sent and is retransmitted indication by PDCCH, and this PDCCH is used CB-RNTI to add and covers.
The feedback method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
The network equipment receives the uplink information that transmitting apparatus sends in CB resource;
The network equipment detects the conflict on the CB Resource Block that carries uplink information;
When solving uplink information, the network equipment receives to transmitting apparatus feedback is correct by MAC CE;
Do not solving uplink information and when conflict do not detected, the network equipment is sent and is retransmitted indication by PDCCH, and wherein this PDCCH use CB-RNTI adds and covers.
The feedback method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
The network equipment receives the uplink information that transmitting apparatus sends in CB resource;
When solving uplink information, the network equipment receives to transmitting apparatus feedback is correct by MAC CE (media access control layer control unit);
When not solving uplink information, the network equipment receives by PHICH feedback error.
The re-transmission confirmation method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
Transmitting apparatus is monitored a PDCCH signaling, and wherein a PDCCH signaling use transmitting apparatus identifies to add and covers;
If listen to a PDCCH signaling, transmitting apparatus is confirmed not need to retransmit.
The re-transmission confirmation method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
Transmitting apparatus receives MAC CE, and this MAC CE is correctly received by network side for the uplink information that feeds back transmitting apparatus and send in CB resource;
Transmitting apparatus is monitored PDCCH signaling, and wherein PDCCH signaling is used CB-RNTI to add to cover;
One of and following steps:
If listen to PDCCH signaling, the re-transmission indication that transmitting apparatus carries according to PDCCH signaling is confirmed to carry out synchronous HARQ (mixed automatic retransfer request) and is retransmitted;
If correctly receive MAC CE, transmitting apparatus is confirmed not need to retransmit;
If correctly do not receive MAC CE, do not receive PDCCH signaling yet, transmitting apparatus retransmits after confirming to keep out of the way.
The re-transmission confirmation method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
Transmitting apparatus receives MAC CE, and this MAC CE is correctly received by network side for the uplink information that feeds back transmitting apparatus and send in CB resource;
Transmitting apparatus is monitored PHICH signaling, the feedback receiving to obtain uplink information mistake that network side sends in CB resource transmitting apparatus;
One of and following steps:
If listen to PHICH signaling, transmitting apparatus is confirmed to retransmit;
If correctly receive MAC CE, transmitting apparatus is confirmed not need to retransmit;
If correctly do not receive MAC CE, transmitting apparatus is confirmed to retransmit.
The sending method of a kind of CB resource that the embodiment of the present invention provides, the method comprises:
Transmitting apparatus configuration CB buffer memory, this CB buffer memory is for depositing upstream data to be sent in CB resource and/or reporting cached state BSR;
Transmitting apparatus is put into CB buffer memory by upstream data to be sent and/or BSR;
Transmitting apparatus sends upstream data and/or the BSR leaving in CB buffer memory in CB resource.
A kind of network equipment that the embodiment of the present invention provides, this network equipment comprises:
Receiver module, the uplink information sending in CB resource for receiving transmitting apparatus;
Decoder module, decodes for the uplink information that receiver module is received;
The first notification module, for when decoder module solves uplink information, by a PDCCH, to correct reception of described transmitting apparatus feedback, wherein a PDCCH use transmitting apparatus identifies to add and covers.
A kind of network equipment that the embodiment of the present invention provides, this network equipment comprises:
Receiver module, the uplink information sending in CB resource for receiving transmitting apparatus;
Decoder module, decodes for the uplink information that receiver module is received;
Detection module, for detection of the conflict on the CB Resource Block of carrying uplink information;
Notification module, when not solving uplink information and detection module and conflict do not detected for decoder module, is sent and is retransmitted indication by PDCCH, and this PDCCH use CB-RNTI adds and covers.
A kind of network equipment that the embodiment of the present invention provides, this network equipment comprises:
Receiver module, the uplink information sending in CB resource for receiving transmitting apparatus;
Detection module, for detection of the conflict on the CB Resource Block of carrying uplink information;
Decoder module, decodes for the uplink information that receiver module is received;
The first notification module, for when decoder module solves uplink information, receives to transmitting apparatus feedback is correct by MAC CE;
The second notification module, does not detect when conflict for solve uplink information and detection module at decoder module, by PDCCH, is sent and is retransmitted indication, and wherein this PDCCH use CB-RNTI adds and covers.
A kind of network equipment that the embodiment of the present invention provides, this network equipment comprises:
Receiver module, the uplink information sending in CB resource for receiving transmitting apparatus;
Decoder module, decodes for the uplink information that receiver module is received;
The first notification module, for when decoder module solves uplink information, receives to transmitting apparatus feedback is correct by MAC CE;
The second notification module, for when decoder module does not solve uplink information, receives by PHICH feedback error.
A kind of transmitting apparatus that the embodiment of the present invention provides, this transmitting apparatus comprises:
Monitor module, for monitoring PDCCH signaling, this PDCCH signaling is used transmitting apparatus sign to add and is covered;
First confirms module, and for when monitoring module listens to PDCCH signaling, confirming does not need to retransmit.
A kind of transmitting apparatus that the embodiment of the present invention provides, this transmitting apparatus comprises:
Receiver module, for receiving MAC CE, this MAC CE is correctly received by network side for feeding back the uplink information that transmitting apparatus sends in CB resource;
Monitor module, for monitoring PDCCH signaling, wherein this PDCCH signaling is used CB-RNTI to add to cover;
And with one of lower module or its combination in any:
First confirms module, and for when monitoring module listens to PDCCH signaling, the re-transmission indication of carrying according to PDCCH signaling is confirmed to carry out synchronous HARQ and retransmitted;
Second confirms module, and for when receiver module correctly receives MAC CE, confirming does not need to retransmit;
The 3rd confirms module, and for when receiver module does not correctly receive MAC CE, confirmation retransmits after need to keeping out of the way.
A kind of transmitting apparatus that the embodiment of the present invention provides, this transmitting apparatus comprises:
CB buffer memory, for depositing upstream data and/or reporting cached state BSR;
Storage module, for putting into CB buffer memory by upstream data to be sent in CB resource and/or BSR;
Transceiver module, for sending upstream data and/or the BSR of CB buffer memory in CB resource.
The feedback method of the CB resource that the embodiment of the present invention provides, receives or feeds back correct reception by PDCCH by MAC CE feedback is correct, thereby the uplink information that transmitting apparatus can accurately know that this transmitting apparatus sends is correctly received; Or by PDCCH or PHICH feedback, retransmit or wrong reception, thus can be so that transmitting apparatus can be known accepting state faster, and confirmation need to retransmit.The sending method of the CB resource that the embodiment of the present invention provides can be so that upstream data to be sent and/or BSR can send smoothly in CB resource.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of a kind of CB resource feedback method that Fig. 1 a provides for the embodiment of the present invention;
The schematic flow sheet of the another kind of CB resource feedback method that Fig. 1 b provides for the embodiment of the present invention;
The schematic flow sheet of another CB resource feedback method that Fig. 1 c provides for the embodiment of the present invention;
The schematic flow sheet of another CB resource feedback method that Fig. 2 a provides for the embodiment of the present invention;
The schematic flow sheet of another CB resource feedback method that Fig. 2 b provides for the embodiment of the present invention;
The schematic flow sheet of another CB resource feedback method that Fig. 2 c provides for the embodiment of the present invention;
The schematic flow sheet of another CB resource feedback method that Fig. 3 a provides for the embodiment of the present invention;
A kind of CB resource that Fig. 4 a provides for the embodiment of the present invention retransmits the schematic flow sheet of confirmation method;
The another kind of CB resource that Fig. 4 b provides for the embodiment of the present invention retransmits the schematic flow sheet of confirmation method;
Another CB resource that Fig. 5 a provides for the embodiment of the present invention retransmits the schematic flow sheet of confirmation method;
Another CB resource that Fig. 5 b provides for the embodiment of the present invention retransmits the schematic flow sheet of confirmation method;
Another CB resource that Fig. 5 c provides for the embodiment of the present invention retransmits the schematic flow sheet of confirmation method;
The schematic flow sheet of a kind of CB resource sending method that Fig. 6 a provides for the embodiment of the present invention;
The structural representation of a kind of protocol stack that Fig. 6 b provides for the embodiment of the present invention;
The structural representation of a kind of network equipment that Fig. 7 a provides for the embodiment of the present invention;
The structural representation of the another kind of network equipment that Fig. 7 b provides for the embodiment of the present invention;
The structural representation of another network equipment that Fig. 7 c provides for the embodiment of the present invention;
The structural representation of another network equipment that Fig. 7 d provides for the embodiment of the present invention;
The structural representation of a kind of transmitting apparatus that Fig. 8 a provides for the embodiment of the present invention;
The structural representation of the another kind of transmitting apparatus that Fig. 8 b provides for the embodiment of the present invention;
The structural representation of another transmitting apparatus that Fig. 8 c provides for the embodiment of the present invention;
The structural representation of another transmitting apparatus that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Following each embodiment of the present invention is with LTE-A (Long Term Evolution Advance, Long Term Evolution) system is example, but be not limited to be applied in LTE-A system, can also be applied to other wireless communication systems, such as LTE system, UMTS system etc.
As shown in accompanying drawing 1a, the embodiment of the present invention provides a kind of feedback method of CB resource, and the method comprises:
The present embodiment and following each embodiment all can be applied under relay scene and non-relay scene.In the time of under being applied in relay scene, the network equipment can be eNB, and transmitting apparatus is relay station or UE; Or the network equipment can be relay station, and transmitting apparatus is UE.
Uplink information is the content of uplink, comprises upstream data, BSR etc.
In the present embodiment, transmitting apparatus carries out uplink in CB resource, can be both that transmission upstream data can be also to send BSR (Buffer Status Report, reporting cached state), can also be to send upstream data and BSR simultaneously.
In the present embodiment, the network equipment can be by having MAC CE or not having MAC CE to receive or wrong reception to transmitting apparatus feedback is correct.
In the present embodiment, step 102 and step 103 can individualisms, also only by step 102 feedback is correct, receives or only by step 103 feedback error, receive.
In the present embodiment, further, in order to determine faster whether the network equipment correctly receives, step 102 and step 103 can be limited to a time point or in the time period.For example the network equipment, when solving uplink information, receives to transmitting apparatus feedback is correct by MAC CE in very first time point or very first time section.The network equipment, when not solving uplink information, does not send MAC CE in very first time point or very first time section.
In the present embodiment, a very first time point time point after for this uplink information transmitting, the time period of very first time section after for this uplink information transmitting is also to put the very first time and very first time Duan Jun is later than some launch time of uplink information.Wherein, the network equipment and transmitting apparatus are all known this very first time point and/or very first time section.This point and very first time section can be variable very first time, also can immobilize, and can be that what to preset can be also that network side configures.And there is no specific relation between very first time point and very first time section, not limiting that the very first time puts need to be in very first time section, or it is the end points etc. of very first time section.
For example, transmitting apparatus is at time point T1 transmitting uplink information, the network equipment is fed back successfully and is received by MAC CE at time point T1+4 for the uplink information at T1 time point, or does not send MAC CE at time point T1+4, thereby makes transmitting apparatus know that network equipment mistake receives.
For example, transmitting apparatus is at time point T2 transmitting uplink information, the network equipment receives by MAC CE feedback is correct in time period T2+4 to T2+8 for the uplink information at T2 time point, or in time period T2+4 to T2+8, do not send MAC CE, thereby make transmitting apparatus know that network equipment mistake receives.
In the present embodiment, the in the situation that of the incorrect reception MAC of transmitting apparatus CE, can continue to receive the MAC CE retransmitting.
The feedback system of the CB resource providing by the present embodiment, because MAC CE is for each transmitting apparatus, so can whether correctly be received by the network equipment so that each transmitting apparatus is accurately known the uplink information of oneself, avoided correctly receiving by PHICH channel feedback, thereby the transmitting apparatus that makes all monitoring PHICH all thinks that own corresponding uplink information is correctly received, thereby the packet loss causing or retransmission delay.
The present embodiment and following each embodiment can be combined with the distribution method of CB resource, collocation method etc.
As shown in accompanying drawing 1b, the embodiment of the present invention provides the feedback method of another kind of CB resource.The method comprises:
In the present embodiment, step 102 also can, for the network equipment is when solving uplink information, receive successfully to transmitting apparatus feedback by MAC CE in very first time point or very first time section.The implication of very first time point or very first time section specifically can be referring to the embodiment shown in accompanying drawing 1a.
In the present embodiment, step 104 also can, for the network equipment is not when solving uplink information, receive by PHICH feedback error at the second time point or in the second time period.The implication of the second time point or the second time period specifically can be referring to very first time point or the very first time section in accompanying drawing 1a illustrated embodiment.
In the present embodiment, very first time point and the second time point can be the same or different, and very first time section and the second time period can be the same or different.
Concrete in order to make transmitting apparatus can know faster that network side does not correctly receive, to confirm faster to retransmit, in the present embodiment, very first time point for example can be identical with the second time point or be later than the second time point; Or very first time point also can be later than for the second time period; Or very first time section can be later than the second time point; Or, the second time point can be later than very first time section initial time and early than finish time of very first time section; Or the second time period did not overlap with very first time section, and early than very first time section; Or the second time period overlapped with very first time section, and the finish time of the second time period is early than the finish time of very first time section.By above-mentioned for very first time point, very first time section, the second time point and the restriction of the second time period, can can be early than waiting for section finish time very first time so that receive by PHICH feedback error, thereby can be so that subscriber equipment is known network side mistake faster to be received, thereby can retransmit faster.Feeding back by PHICH and feeding back at a time point by MAC CE, but detect, whether there is MAC CE also to need certain hour, and know that by monitoring PHICH wrong reception meeting is faster.
For example, transmitting apparatus is at time point T1 transmitting uplink information, and the network equipment can feed back by PHICH for the uplink information mistake on time point T1 and receive at time point T1+4; Or the network equipment can correctly receive for the uplink information on time point T1 by MAC CE feedback constantly at time point T1+6.
The feedback method of the CB resource providing by the present embodiment, not only make transmitting apparatus accurately know whether the uplink information of oneself is correctly received by network side, further, by PHICH feedback error, receive and can all know that own corresponding uplink information is not correctly received by the network equipment, can feed back to transmitting apparatus by the accepting state of the network equipment faster so that monitor the transmitting apparatus of PHICH.And, by PHICH feedback error, receive, avoided waiting for that by MAC CE, feeding back still transmitting apparatus does not have correct reception also to need the re-transmission time retransmitting.
In the present embodiment, can also be included in very first time point or very first time section and feed back correct reception by PHICH; Also can be included in the second time point or the second time period and feed back correct reception by PHICH.
In the present embodiment, when not solving uplink information, can not receive by not sending MAC CE feedback error in very first time point or very first time section yet.
As shown in accompanying drawing 1c, the embodiment of the present invention provides the feedback method of another CB resource.The method comprises:
The specific implementation of above-mentioned three steps can be with reference to accompanying drawing 1a, 1b illustrated embodiment.
In the present embodiment, step 106 for example may be limited to the 3rd time point or in the 3rd time period.The 3rd time point is later than between the transmitting of uplink information.
In the present embodiment, for example also can not comprise step 104.
In the present embodiment, in step 106, PDCCH for example can adopt new form, also can use existing form.If use existing form, for example can use NDI (New Data Indicator, new data indication) field, NDI is set to retransmit.For example, NDI is set at 1 o'clock, represents new biography, can be set to 0 expression re-transmission by NDI; Or NDI is set at 0 o'clock, represent new biography, can be set to 1 expression re-transmission by NDI.Can also utilize other fields in existing form to represent to retransmit.
In the present embodiment, the mistake of feeding back by step 104 receives, and can make transmitting apparatus know that network side mistake receives, and prepare to retransmit, and the mistake of feeding back by step 106 receives, can make transmitting apparatus know the reception of network side mistake and know and retransmit resource used.Therefore,, according to the feedback in step 106, transmitting apparatus can carry out synchronous HARQ and retransmit (HybridAutomatic Repeat Request).This synchronous HARQ retransmits and can in CB resource, carry out, and also can on private resource, carry out.
In the present embodiment, very first time point, the second time point for example can one of meet the following conditions with the 3rd time point: very first time point, the second time point are identical with the 3rd time point; Very first time point is identical with the 3rd time point, and is later than the second time point; Very first time point is later than the 3rd time point, and the 3rd time point is identical with the second time point; The 3rd time point is later than very first time point, and very first time point is identical with the second time point; Very first time point is later than the 3rd time point, and the 3rd time point is later than the second time point; The 3rd time point is later than very first time point, and very first time point is later than the second time point.By the above-mentioned restriction for time point, can whether correctly receive so that transmitting apparatus can be known network side as early as possible.
In the present embodiment, very first time section, the second time period for example can one of meet the following conditions with the 3rd time period: very first time section, the second time period are identical with the 3rd time period; Tri-time periods of very first time Duan Yu are identical, and the finish time of the second time period is early than the finish time of very first time section; Be later than the finish time of the 3rd time period the finish time of very first time section, and be later than the finish time of the second time period the finish time of the 3rd time period; Be later than the finish time of the 3rd time period the finish time of very first time section, and the 3rd time period is identical with the second time period; Be later than the finish time of the very first time section finish time of the 3rd time period; Be later than the finish time of the very first time section finish time of the 3rd time period, and the joint speed of a ship or plane of very first time section is later than the finish time of the second time period constantly.By the above-mentioned restriction for the time period, can whether correctly receive so that transmitting apparatus can be known network side as early as possible.
In the present embodiment, time point and the relation between the time period can be with reference to above-mentioned condition restriction, and its object is for making transmitting apparatus can know as early as possible whether network side correctly receives.
The feedback method providing by this enforcement, can so that whether different transmitting apparatus is correctly known the uplink information of this transmitting apparatus be correctly received by network side, and can know as soon as possible above-mentioned accepting state.
Further, the embodiment shown in accompanying drawing 1a, accompanying drawing 1b and accompanying drawing 1c can be in conjunction with, in conjunction with obtaining more embodiment.
As shown in accompanying drawing 2a, the embodiment of the present invention provides the feedback method of another CB resource.The method comprises:
In the present embodiment, step 202 can be for example that the network equipment, when solving this uplink information, feeds back correctly and receives to this transmitting apparatus by using this transmitting apparatus sign to add the PDCCH covering in very first time point or very first time section.Wherein the concrete meaning of very first time point or very first time section can be referring to accompanying drawing 1a illustrated embodiment.
In the present embodiment, use transmitting apparatus sign to add and covers, for example can be for using C-RNTI (Cell Radiolink Temporary Identifier) to add and cover, or the sign that other can unique identification transmitting apparatus.
In the present embodiment, the form of this PDCCH can be a new form, is exclusively used in and represents correct reception.Employing is different from now formatted format, is mainly in order just to represent correct reception by form, and without more resource.This PDCCH can also be existing form, utilizes redundant state or specific value representation in existing form correctly to receive.For example, utilize the redundant state in NDI field, MCS (Modulation and Coding Scheme, modulation coding mode) field or the HARQ field in existing form 1 or 1a to represent correct reception.For example, in the PDCCH of form 1 or 1a, MCS field is 5 bits, can represent 25 kinds of states, used at present wherein 29 in state, redundant state is 11101,11110 and 11111, therefore can use wherein one or more to represent correct reception.
For example, utilize one or more special value in NDI field, MCS field or the HARQ field in form 1 or 1a to represent correct reception.For example, in the PDCCH of form 1 or 1a, MCS field is set to full 0, and it is complete 1 that HARQ is set to, to represent correct reception.
The feedback method providing by the present embodiment, covers because PDCCH is used transmitting apparatus sign to add, so for each transmitting apparatus, therefore, transmitting apparatus can accurately know whether the uplink information that this transmitting apparatus sends is correctly received by network side.
As shown in accompanying drawing 2b, the embodiment of the present invention provides the feedback method of another CB resource.The method comprises:
Step 201 and 202 specific implementation can be with reference to accompanying drawing 2a illustrated embodiments.
Step 202 for example may be limited in very first time point or very first time section, and step 203 for example may be limited to the second time point or in the second time period.
The concrete restriction of the realization of this step and the second time point, the second time period, very first time point, very first time section can be with reference to accompanying drawing 1b, 1c illustrated embodiment.
The CB resource feedback method providing by the present embodiment, can notify transmitting apparatus network side whether correctly to receive uplink information by PDCCH.And utilize PDCCH notice so that transmitting apparatus just can know whether uplink information is correctly received when separating PDCCH, therefore can know faster the reception situation of uplink information.And use C-RNTI adds the PDCCH notice of covering and can avoid retransmitting,, when transmitting terminal does not correctly solve PDCCH, without waiting for retransmitting to confirm as, need re-transmission.
Further, accompanying drawing 2a, 2b illustrated embodiment can be carried out combination with accompanying drawing 1a, 1b, 1c illustrated embodiment, in conjunction with after embodiment can by MAC CE and C-RNTI, add and cover PDCCH and feed back simultaneously needs feedbacks is correct while receiving, and/or by not sending MAC CE and C-RNTI, add and cover PDCCH and feed back when mistake receives, or receive by PHICH feedback error.
As shown in accompanying drawing 2c, the embodiment of the present invention provides the feedback method of another CB resource.The method comprises:
Step 201 and 202 specific implementation can be with reference to accompanying drawing 2a illustrated embodiments.
The specific implementation of step 203 can be with reference to accompanying drawing 2b illustrated embodiment.
In the present embodiment, step 202 for example may be limited in very first time point or very first time section, and step 203 for example may be limited to the second time point or in the second time period, and step 205 for example may be limited to the 3rd time point or in the 3rd time period.The 3rd time point is later than some launch time of uplink information.
Step 204 and 205 specific implementation, the 3rd time point or the concrete restriction of the 3rd time period can be with reference to accompanying drawing 1c illustrated embodiments.
As shown in accompanying drawing 3a, the embodiment of the present invention provides the feedback method of another CB resource.The method comprises:
Step 301, the network equipment receives the uplink information that transmitting apparatus sends in CB resource.
Step 302, whether the network equipment detects on the CB Resource Block of this uplink information of carrying and clashes.
In the present embodiment, the network equipment can detect in CB resource whether conflict has occurred, and therefore can learn whether the uplink information that present networks equipment does not correctly solve in CB resource is because there is conflict.
Step 303, correctly do not solving uplink information and do not detecting while clashing on CB Resource Block, the network equipment adds by CB-RNTI the PDCCH notice transmitting apparatus of covering and carries out synchronous HARQ (HybridAutomatic Repeat reQuest, mixed automatic retransfer request) re-transmission.
In the present embodiment, network equipment notice transmitting apparatus carries out synchronous HARQ re-transmission for example can be by arranging the NDI field in above-mentioned PDCCH.
But correctly solving uplink information or correctly do not solving uplink information detect on the CB Resource Block of this uplink information of carrying while clashing, the network equipment can adopt that the method feedback shown in above-described embodiment is correct to be received or wrong reception.
The present embodiment, when specific implementation, can be whether the network equipment first detects in CB resource and clash, then judge whether uplink information can correctly solve; Can also be that the network equipment first judges whether uplink information can correctly solve, then detect in CB resource and whether clash, or can also carry out simultaneously.
The method providing by the present embodiment, can not clash but the network equipment is not while correctly solving uplink information, notice transmitting apparatus carries out synchronous HARQ and retransmits, thereby make transmitting apparatus without keeping out of the way, can retransmit as soon as possible, while having avoided retransmitting simultaneously with the conflicting of other UE.
As shown in accompanying drawing 4a, the embodiment of the present invention provides a kind of re-transmission confirmation method of CB resource.The method comprises:
In the present embodiment, transmitting apparatus can send uplink information in CB resource, and whether the network equipment can be correctly received and feed back for this uplink information.
Step 401 for example may be limited in very first time point or very first time section.
Wherein, in very first time section, can be to attempt receiving repeatedly, can be also to attempt receiving once.Because MAC CE is when being sent out device Errors reception, can retransmit.So when being sent in a time point reception MAC CE in very first time section and receiving mistake, can continue to receive at other times point the MAC CE of re-transmission.This other times point can be both the time point in very first time section, can be also the time point outside very first time section.
This step 402 for example may be limited to the second time point or in the second time period.
The method that the present embodiment provides also comprises one of following or its combination in any:
In the present embodiment, if PHICH is except feedback error receives, also feedback is correct receives, and needs the PHICH signaling that listens to feedback error reception just to confirm to retransmit.
In the present embodiment, very first time point, the second time point, very first time section, the second time period can be with reference to accompanying drawing 1a, 1b, 1c illustrated embodiment.
Further, in the present embodiment, the second time point is put when identical early than very first time point or with the very first time, if listen to PHICH signaling, transmitting apparatus is confirmed to retransmit, and can no longer judge whether correctly to receive MAC CE, thereby can save the energy of transmitting apparatus, retransmit as early as possible.
Further, if monitor the result of PHICH signaling, be that (discontinuous transmission, DiscontinuousTransmission), transmitting apparatus is according to whether receiving that MAC CE judges whether network side correctly receives and corresponding startup retransmits for DTX.
In the present embodiment, confirm can comprise after retransmitting the step of re-transmission, re-transmission can be used CB resource, also can ask private resource.This re-transmission can be that synchronous HARQ retransmits, and can be also to retransmit after keeping out of the way a period of time again.
The re-transmission confirmation method of the CB resource that the present embodiment provides can know whether whether network side correctly receives, need to retransmit by receiving the MACCE of network side transmission.And, because MAC CE is for each transmitting apparatus, thus can be so that each transmitting apparatus be learnt the accepting state of the uplink information of oneself accurately, and can there is not the situation of erroneous judgement.
And the method providing by the present embodiment, can correctly not receive uplink information by monitoring the definite network equipment of knowing of PHICH signaling, thereby start, retransmits.And, when the second time point or identical with very first time point or early than the very first time during point, transmitting apparatus can be judged not correct reception of the network equipment ahead of time.When the end of the second time period is during early than the end of very first time section, transmitting apparatus also can be judged not correct reception of the network equipment ahead of time, and without waiting for that the second time point or the second time period finish to judge not correct reception of the network equipment again.
As shown in accompanying drawing 4b, the re-transmission confirmation method of the CB resource that the present embodiment provides can also comprise:
Step 403 for example may be limited at the 3rd time point or in the 3rd time period.
In the present embodiment, the 3rd time point, the 3rd time period and with At All Other Times and the relation of time period specifically can be with reference to accompanying drawing 1a, 1b and 1c illustrated embodiment.
Whether the method providing by the present embodiment, can be correctly received so that transmitting apparatus is definitely known the uplink information of oneself.And, because not existing, PDCCH do not receive the wrong problem retransmitting, so transmitting apparatus both can be known the accepting state of network side without waiting for retransmitting, thereby being confirmed whether to need retransmits.
As shown in accompanying drawing 5a, the embodiment of the present invention provides the re-transmission confirmation method of another kind of CB resource.The method comprises:
This step for example may be limited in very first time point or very first time section.
In the present embodiment, use transmitting apparatus sign to add the PDCCH signaling of covering and can adopt new form also can use existing form.This new form can be to be exclusively used in the form whether feedback network side correctly receives, also can other information of multiplexing carrying.If adopt existing form, can utilize redundant state or specific value representation network side whether correctly to receive, specifically can be with reference to the corresponding description in above-described embodiment.
The method providing by the present embodiment, can be used transmitting apparatus sign to add the PDCCH signaling of covering by monitoring and judge whether the network equipment correctly receives, thereby can more retransmit more accurately soon.
As shown in accompanying drawing 5b, the embodiment of the present invention provides the repeating method of another CB resource.The method comprises:
This step for example may be limited at the 3rd time point or in the 3rd time period.
Accompanying drawing 5b illustrated embodiment and accompanying drawing 4a, 4b, 5a illustrated embodiment can be in conjunction with.Below in conjunction with accompanying drawing 5c, describe accompanying drawing 5b in detail and be combined one of gained embodiment with above-mentioned each accompanying drawing illustrated embodiment.
In the present embodiment, the relation of each time point can be with reference to accompanying drawing 1a, 1b, 1c illustrated embodiment.
Whether the method providing by the present embodiment, can correctly receive the uplink information of oneself so that transmitting apparatus is accurately known network side, thereby determine to start, retransmits.And by CB-RNTI, adding the PDCCH signaling of covering and the NDI carrying thereof indication judgement is to carry out synchronous HARQ to retransmit or keep out of the way a period of time and retransmit.The advantage of carrying out synchronous HARQ re-transmission is to retransmit rule and fixes, and can retransmit faster, but is more suitable for the scene that conflict does not occur.Keep out of the way the advantage that a period of time retransmits and be the scene that goes for clashing, but it is fixing to retransmit rule, and conventionally need the long period just can retransmit, and still likely clash while again retransmitting.
As shown in accompanying drawing 6a, the embodiment of the present invention provides a kind of sending method of CB resource.The method comprises:
In the present embodiment, this CB cached configuration is in transmitting apparatus, for depositing upstream data to be sent in CB resource and/or BSR.Further, this CB cached configuration is in MAC layer.
In the present embodiment, can also further comprise the step of configuration CB buffer memory.
In the present embodiment, when upstream data and/or BSR are not correctly received, the upstream data and/or the BSR that are stored in CB buffer memory can be retransmitted on CB resource or private resource.
The sending method of the CB resource providing by the present embodiment, upstream data to be sent and/or BSR can be put into CB buffer memory, thereby the loss of MAC layer data while having avoided waiting for CB resource or private resource, while also having avoided occurring to retransmit, loss or the high level of data resend data simultaneously.
In the present embodiment, transmitting apparatus can also be safeguarded a retransmission counter.This retransmission counter can once change once in every re-transmission.For example, every re-transmission once increases by 1 or reduce 1, until reach maximum retransmit value or reach zero.After reaching maximum retransmit value, by retransmission counter zero clearing; Or after reaching zero, retransmission counter is re-set as to maximum.Below describe with retransmission counter and count from zero, every re-transmission once increases by 1, until maximum retransmit value is example, other counters are (as the number of transmissions counter, maximum equals retransmission counter maximum and adds one) method for designing can, with reference to applicable, repeat no more.
In the present embodiment, after reaching maximum retransmit value, transmitting apparatus can abandon these data, is also about to these data and removes from CB buffer memory.
In the present embodiment, after the correct reception of network equipment feedback, transmitting apparatus no longer retransmits, and CB buffer memory can be emptied.
Further, in the present embodiment, when transmitting apparatus is prepared to retransmit the BSR in CB buffer memory, if this BSR needs to upgrade, the BSR after upgrading is deposited in to CB buffer memory and sends.
In the present embodiment, when transmitting apparatus is prepared to retransmit the upstream data in CB buffer memory, can from this CB buffer memory, take out upstream data and retransmit.
In the present embodiment, when retransmitting, if private resource can be used, transmitting apparatus carries out synchronous mixed automatic retransfer request HARQ re-transmission on private resource; If CB resource can be used, transmitting apparatus in CB resource, carry out synchronous HARQ retransmit or keep out of the way after retransmit.
In the present embodiment, when transmitting apparatus retransmits in CB resource, for example, can adopt asynchronous re-transmission mode, for example CB transmission dedicated process, retransmits thereby reduce the probability clashing.
In the present embodiment, when transmitting apparatus retransmits on private resource, for example, can adopt synchronous re-transmission mode, be also that HARQ retransmits mode, to improve the efficiency of re-transmission.
In the present embodiment, when transmitting apparatus retransmits on private resource, the counter of HARQ process can, since 0 counting, also can start from the value of retransmission counter counting.
Method shown in the present embodiment can realize by protocol stack as shown in accompanying drawing 6b.Wherein, CB buffer memory can be an independently functional entity, can be also a part for CB transmission dedicated process.
The sending method providing by the present embodiment, can keep in upstream data to be sent in CB resource or BSR, to wait for that CB resource sends, and has avoided the loss of data.Meanwhile, when retransmitting, can directly from CB buffer memory, obtain data and send, without waiting for that upper strata retransmits, and has also avoided the loss of data retransmission.Meanwhile, can also before re-transmission, upgrade BSR, so that network side obtains up-to-date buffer status, dispatch more accurately private resource.And, in the present embodiment, by CB, transmit dedicated process, guaranteed to carry out asynchronous re-transmission, thereby more adapted to the transmission in CB resource, while having avoided retransmitting, there is the repeatedly situation of conflict.Further, in the present embodiment, the scheme that also provides CB to be cached to HARQ process, thus make the data in CB buffer memory also can adopt synchronous re-transmission mode to send on private resource.
As shown in accompanying drawing 7a, the embodiment of the present invention provides a kind of network equipment, and this network equipment for example can be for base station or can is also relay station.This network equipment comprises:
The first notification module 703, for when decoder module 702 solves uplink information, receives to transmitting apparatus feedback is correct by a PDCCH, and wherein a PDCCH use transmitting apparatus identifies to add and covers.
Further, in the present embodiment, this network equipment can also comprise:
The second notification module 704, for when decoder module 702 does not solve uplink information, receives by PHICH feedback error.
Further, in the present embodiment, this network equipment can also comprise:
In the present embodiment, can also limit the time sequencing of one or more execution in the first notification module 703, the second notification module 704 and third notice module 706.The restriction of time conditions specifically can be with reference to the corresponding contents in above-mentioned each embodiment of the method.
The network equipment providing by the present embodiment, can accurately feed back to different transmitting apparatus the accepting state of the uplink information of each transmitting apparatus, thus retransmitting or new biography of making that transmitting apparatus can accurate quick.
The embodiment of the method that the network equipment that the present embodiment provides for example can be carried out for carrying out the above-mentioned network equipment.
As shown in accompanying drawing 7b, the embodiment of the present invention also provides the another kind of network equipment, and this network equipment comprises:
The network equipment providing by the present embodiment, can accurately feed back to different transmitting apparatus the accepting state of the uplink information of each transmitting apparatus, thus retransmitting or new biography of making that transmitting apparatus can accurate quick.
As shown in accompanying drawing 7c, the embodiment of the present invention also provides another network equipment, and this network equipment comprises:
The 4th notification module 707, for when decoder module 702 solves uplink information, receives to transmitting apparatus feedback is correct by MAC CE;
The network equipment providing by the present embodiment, can accurately feed back to different transmitting apparatus the accepting state of the uplink information of each transmitting apparatus, thus retransmitting or new biography of making that transmitting apparatus can accurate quick.
As shown in accompanying drawing 7d, the embodiment of the present invention provides another network equipment.This network equipment comprises:
The 4th notification module 707, for when decoder module 702 solves uplink information, receives to transmitting apparatus feedback is correct by MAC CE;
The second notification module 704, for when decoder module 702 does not solve uplink information, receives by PHICH feedback error.
The network equipment providing by the present embodiment, can accurately feed back to different transmitting apparatus the accepting state of the uplink information of each transmitting apparatus, thus retransmitting or new biography of making that transmitting apparatus can accurate quick.
Accompanying drawing 7a can mutually combine to accompanying drawing 7d illustrated embodiment, in conjunction with after can obtain more embodiment, for example comprise the network equipment of receiver module 701, decoder module 702, the first notification module 703, the second notification module 704, detection module 705, third notice module 706, the 4th notification module 707.
Accompanying drawing 7a to accompanying drawing 7d illustrated embodiment can be for carrying out the above-mentioned embodiment of the method for being implemented by the network equipment.
As shown in accompanying drawing 8a, the embodiment of the present invention provides a kind of transmitting apparatus.This transmitting apparatus can be for example also relay station for UE.This transmitting apparatus comprises:
Monitor module 801, for monitoring physical downlink control channel PDCCH signaling, described PDCCH signaling is used described transmitting apparatus sign to add and is covered;
First confirms module 802, and for when monitoring module 801 listens to described PDCCH signaling, confirming does not need to retransmit.
Further, this monitors module 801, can also use CB-RNTI to add the PDCCH signaling of covering for monitoring.And transmitting apparatus can also comprise: second confirms module 803, while using CB-RNTI to add the PDCCH signaling of covering for listening in monitoring module 801, confirmation need to be carried out synchronous HARQ and retransmit.
Further, this monitors module 801, can also be for monitoring PHICH signaling.And transmitting apparatus can also comprise: the 3rd confirms module 804, for when monitoring module 801 listens to PHICH signaling, confirmation need to retransmit.
In the present embodiment, the 3rd confirms that module 804 can also be for listening to PHICH signaling monitoring module 801, and this signaling is when receive for feedback error, and confirmation need to retransmit.This re-transmission can be for example to keep out of the way re-transmission.
During specific implementation, can be the re-transmission after the 3rd confirmation module 804 confirmations are kept out of the way, and the second confirmation module be for confirming that need to carry out synchronous HARQ retransmits.And, in monitoring module 801, both listened to PHICH signaling, also listen to while using CB-RNTI to add the PDCCH signaling of covering, still carry out synchronous HARQ and retransmit.
The transmitting apparatus providing by the embodiment of the present invention, can know that network side is for the accepting state of the uplink information of CB transmitted over resources, thereby judge whether more accurately to retransmit.
As shown in accompanying drawing 8b, the embodiment of the present invention provides a kind of transmitting apparatus 800.This transmitting apparatus 800 comprises: receiver module 805, and for receiving MAC CE, this MAC CE is correctly received by network side for feeding back the uplink information that transmitting apparatus sends in CB resource; Monitor module 801, for monitoring PDCCH signaling, this PDCCH signaling is used CB-RNTI to add and is covered; And with one of lower module or its combination in any:
Second confirms module 803, and for when monitoring module 801 listens to this PDCCH signaling, the re-transmission indication of carrying according to PDCCH signaling is confirmed to carry out synchronous HARQ and retransmitted;
The 4th confirms module 806, and for when receiver module 805 correctly receives MAC CE, confirming does not need to retransmit;
The 5th confirms module 807, and for when receiver module 805 does not correctly receive MAC CE, confirmation retransmits after need to keeping out of the way.
The transmitting apparatus providing by the embodiment of the present invention, can know that network side is for the accepting state of the uplink information of CB transmitted over resources, thereby judge whether more accurately to retransmit.
As shown in accompanying drawing 8c, the embodiment of the present invention provides another transmitting apparatus 80.This transmitting apparatus 80 comprises:
Receiver module 805, for receiving MAC CE, this MAC CE is correctly received by network side for feeding back the uplink information that transmitting apparatus sends in CB resource; Monitor module 801, for monitoring PHICH signaling, this PDCCH signaling is used transmitting apparatus sign to add and is covered; And with one of lower module or its combination in any
The 3rd confirms module 804, and for when monitoring module 801 listens to PHICH signaling, confirmation need to retransmit;
The 4th confirms module 806, and for when receiver module 805 correctly receives MAC CE, confirming does not need to retransmit;
The 5th confirms module 807, and for when receiver module 805 does not correctly receive MAC CE, confirmation retransmits after need to keeping out of the way.
As shown in Figure 9, the embodiment of the present invention provides another transmitting apparatus.This transmitting apparatus comprises: CB buffer memory 901, for depositing upstream data and/or reporting cached state BSR; Storage module 902, for putting into CB buffer memory 901 by upstream data to be sent in CB resource and/or BSR; Transceiver module 903, for sending upstream data and/or the BSR of CB buffer memory 901 in CB resource.
In the present embodiment, this transceiver module 903 is further used for, and receives the feedback information of network side, and this feedback information is used for representing that upstream data and/or BSR are correctly received or is received by wrong; And when receiving the wrong feedback receiving, from CB buffer memory 901, take out described upstream data and/or BSR, and retransmit by private resource or CB resource.
In the present embodiment, transceiver module 903 specifically for: if private resource can be used, on private resource, carry out synchronous mixed automatic retransfer request HARQ and retransmit; If CB resource can be used, in CB resource, carry out synchronous HARQ retransmit or keep out of the way after retransmit.
In the present embodiment, this transmitting apparatus for example can also comprise a retransmission counter, and specifically arranging of this retransmission counter can be with reference to accompanying drawing 6a illustrated embodiment.
In the present embodiment, this transmitting apparatus for example adopts the protocol stack as shown in accompanying drawing 6b.
In the present embodiment, transceiver module 903 for example can utilize CB transmission dedicated process while keeping out of the way re-transmission in CB resource.
The transmitting apparatus that the present embodiment provides for example can be carried out the method that the embodiment as shown in accompanying drawing 6a provides.
The present embodiment for example can be combined with the embodiment shown in accompanying drawing 8a, 8b, 8c.
The transmitting apparatus providing by the present embodiment can send smoothly data in CB resource, and can directly from CB buffer memory, obtain data when retransmitting, and can not produce the problem of loss of data or upper strata data retransmission.
The transmitting apparatus providing by the embodiment of the present invention, can know that network side is for the accepting state of the uplink information of CB transmitted over resources, thereby judge whether more accurately to retransmit.
Finally it should be noted that, one of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (ROM) or random store-memory body (RAM) etc.
Each functional unit in the embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module usings that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
Above-mentioned specific embodiment is not in order to limit the present invention; for those skilled in the art; under the premise without departing from the principles of the 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 (17)
1. the feedback method based on competitive resource, is characterized in that, described method comprises:
The network equipment receives the uplink information that transmitting apparatus sends on based on competition CB resource;
The described network equipment detects the conflict on the CB Resource Block that carries described uplink information;
When solving described uplink information, the described network equipment is by the first physical downlink control channel PDCCH to correct reception of described transmitting apparatus feedback, and a described PDCCH is used described transmitting apparatus sign to add and covers;
When not solving described uplink information and conflict do not detected, the described network equipment is sent and is retransmitted indication by the 2nd PDCCH, and described the 2nd PDCCH is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covers.
2. method according to claim 1, is characterized in that, described method further comprises:
When not solving described uplink information, the described network equipment receives by physical hybrid automatic repeat request indicator channel PHICH feedback error.
3. the feedback method based on competitive resource, is characterized in that, described method comprises:
The network equipment receives the uplink information that transmitting apparatus sends on based on competition CB resource;
The described network equipment detects the conflict on the CB Resource Block that carries described uplink information;
When not solving described uplink information and conflict do not detected, the described network equipment is sent and is retransmitted indication by physical downlink control channel PDCCH, and described PDCCH is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covers.
4. the feedback method based on competitive resource, is characterized in that, described method comprises:
The network equipment receives the uplink information that transmitting apparatus sends on based on competition CB resource;
The described network equipment detects the conflict on the CB Resource Block that carries described uplink information;
When solving described uplink information, the described network equipment correctly receives to described transmitting apparatus feedback by media access control layer control unit MACCE;
When not solving described uplink information and conflict do not detected, the described network equipment is sent and is retransmitted indication by physical downlink control channel PDCCH, and wherein said PDCCH is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covers.
5. the re-transmission confirmation method based on competitive resource, is characterized in that, described method comprises:
Transmitting apparatus is monitored the first physical downlink control channel PDCCH signaling, and a wherein said PDCCH signaling is used described transmitting apparatus sign to add and covered;
Described transmitting apparatus is monitored the 2nd PDCCH signaling, and wherein said the 2nd PDCCH signaling is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covered;
If listen to a described PDCCH signaling, described transmitting apparatus is confirmed not need to retransmit;
If listen to described the 2nd PDCCH signaling, the re-transmission indication that described transmitting apparatus carries according to described the 2nd PDCCH signaling is confirmed to carry out synchronous mixed automatic retransfer request HARQ and is retransmitted.
6. method according to claim 5, is characterized in that, described method further comprises:
Described transmitting apparatus is monitored physical hybrid automatic repeat request indicator channel PHICH signaling, the feedback receiving to obtain uplink information mistake that network side sends in CB resource described transmitting apparatus;
If listen to described PHICH signaling, described transmitting apparatus is confirmed to retransmit.
7. the re-transmission confirmation method based on competitive resource, is characterized in that, described method comprises:
Transmitting apparatus receiving media access control layer control unit MAC CE, described MAC CE is correctly being received by network side based on competing the uplink information sending in CB resource for feeding back described transmitting apparatus;
Described transmitting apparatus is monitored physical downlink control channel PDCCH signaling, and wherein said PDCCH signaling is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covered;
One of and following steps:
If listen to described PDCCH signaling, the re-transmission indication that described transmitting apparatus carries according to described PDCCH signaling is confirmed to carry out synchronous mixed automatic retransfer request HARQ and is retransmitted;
If correctly receive described MAC CE, described transmitting apparatus is confirmed not need to retransmit;
If correctly do not receive described MAC CE, do not receive described PDCCH signaling yet, described transmitting apparatus retransmits after confirming to keep out of the way.
8. the re-transmission confirmation method based on competitive resource, is characterized in that, described method comprises:
Transmitting apparatus receiving media access control layer control unit MAC CE, described MAC CE is correctly being received by network side based on competing the uplink information sending in CB resource for feeding back described transmitting apparatus;
Described transmitting apparatus is monitored physical hybrid automatic repeat request indicator channel PHICH signaling, the feedback receiving to obtain uplink information mistake that network side sends in CB resource described transmitting apparatus;
One of and following steps:
If listen to described PHICH signaling, described transmitting apparatus is confirmed to retransmit;
If correctly receive described MAC CE, described transmitting apparatus is confirmed not need to retransmit;
If correctly do not receive described MAC CE, described transmitting apparatus is confirmed to retransmit.
9. the sending method based on competitive resource, is characterized in that, described method comprises:
Transmitting apparatus configuration is based on competition CB buffer memory, and described CB buffer memory is for depositing upstream data to be sent in CB resource and/or reporting cached state BSR;
Described transmitting apparatus is put into described CB buffer memory by upstream data to be sent and/or BSR;
Described transmitting apparatus sends upstream data and/or the BSR leaving in described CB buffer memory in CB resource;
Described transmitting apparatus receives the feedback information of network side, and described feedback information is used for representing that described upstream data and/or BSR are correctly received or is received by wrong;
If described upstream data and/or BSR are correctly received, described transmitting apparatus empties described CB buffer memory; Or
If described upstream data and/or BSR are not correctly received, described transmitting apparatus takes out described upstream data and/or BSR from described CB buffer memory, and retransmits by private resource or CB resource.
10. method according to claim 9, is characterized in that, describedly by private resource or CB resource, retransmits, and comprising:
If private resource can be used, described transmitting apparatus carries out synchronous mixed automatic retransfer request HARQ re-transmission on private resource;
If CB resource can be used, described transmitting apparatus in CB resource, carry out synchronous HARQ retransmit or keep out of the way after retransmit.
11. 1 kinds of network equipments, is characterized in that, the described network equipment comprises:
Receiver module, the uplink information sending on based on competition CB resource for receiving transmitting apparatus;
Decoder module, decodes for the uplink information that described receiver module is received;
Detection module, for detection of the conflict on the CB Resource Block of the described uplink information of carrying;
The first notification module, for when described decoder module solves described uplink information, by the first physical downlink control channel PDCCH, to correct reception of described transmitting apparatus feedback, a wherein said PDCCH is used described transmitting apparatus sign to add and covers;
Third notice module, while conflict not detected for do not solve described uplink information and described detection module at described decoder module, by the 2nd PDCCH, send and retransmit indication, described the 2nd PDCCH is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covers detection module, for detection of the conflict on the CB Resource Block of the described uplink information of carrying.
12. network equipments according to claim 11, is characterized in that, the described network equipment further comprises:
The second notification module, for when described decoder module does not solve described uplink information, receives by physical hybrid automatic repeat request indicator channel PHICH feedback error.
13. 1 kinds of network equipments, is characterized in that, the described network equipment comprises:
Receiver module, the uplink information sending on based on competition CB resource for receiving transmitting apparatus;
Decoder module, decodes for the uplink information that described receiver module is received;
Detection module, for detection of the conflict on the CB Resource Block of the described uplink information of carrying;
Notification module, when not solving described uplink information and described detection module and conflict do not detected for described decoder module, by physical downlink control channel PDCCH, sent and retransmitted indication, described PDCCH is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covers.
14. 1 kinds of network equipments, is characterized in that, the described network equipment comprises:
Receiver module, the uplink information sending on based on competition CB resource for receiving transmitting apparatus;
Detection module, for detection of the conflict on the CB Resource Block of the described uplink information of carrying;
Decoder module, decodes for the uplink information that described receiver module is received;
The first notification module, for when described decoder module solves described uplink information, correctly receives to described transmitting apparatus feedback by media access control layer control unit MAC CE;
The second notification module, while conflict not detected for do not solve described uplink information and described detection module at described decoder module, by physical downlink control channel PDCCH, sent and retransmitted indication, wherein said PDCCH is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and covers.
15. 1 kinds of transmitting apparatus, is characterized in that, described transmitting apparatus comprises:
Monitor module, for monitoring physical downlink control channel PDCCH signaling, described PDCCH signaling is used described transmitting apparatus sign to add and is covered;
First confirms module, and for when described monitoring module listens to described PDCCH signaling, confirming does not need to retransmit;
This monitors module, can also use CB-RNTI to add the PDCCH signaling of covering for monitoring, and transmitting apparatus can also comprise: second confirms module, while using CB-RNTI to add the PDCCH signaling of covering for listening in monitoring module, confirmation need to be carried out synchronous HARQ and retransmit.
16. 1 kinds of transmitting apparatus, is characterized in that, described transmitting apparatus comprises:
Receiver module, for receiving media access control layer control unit MAC CE, described MAC CE is correctly being received by network side based on competing the uplink information sending in CB resource for feeding back described transmitting apparatus;
Monitor module, for monitoring physical downlink control channel PDCCH signaling, wherein said PDCCH signaling is used the Radio Network Temporary Identifier CB-RNTI based on competition to add and is covered;
And with one of lower module or its combination in any:
First confirms module, and for when described monitoring module listens to described PDCCH signaling, the re-transmission indication of carrying according to described PDCCH signaling is confirmed to carry out synchronous mixed automatic retransfer request HARQ and retransmitted;
Second confirms module, and for when described receiver module correctly receives described MAC CE, confirming does not need to retransmit;
The 3rd confirms module, and for when described receiver module does not correctly receive described MAC CE, confirmation retransmits after need to keeping out of the way.
17. 1 kinds of transmitting apparatus, is characterized in that, described transmitting apparatus comprises:
CB buffer memory, for depositing upstream data and/or reporting cached state BSR;
Storage module, for putting into described CB buffer memory by upstream data to be sent in CB resource and/or BSR;
Transceiver module, for sending upstream data and/or the BSR of described CB buffer memory in CB resource;
Described transceiver module is further used for, and receives the feedback information of network side, and described feedback information is used for representing that described upstream data and/or BSR are correctly received or is received by wrong; And when receiving the wrong feedback receiving, from described CB buffer memory, take out described upstream data and/or BSR, and retransmit by private resource or CB resource;
Described CB buffer memory is further used for, and when described transceiver module receives the feedback of correct reception, empties this CB buffer memory.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910238884.3A CN102118236B (en) | 2009-12-31 | 2009-12-31 | Feedback method and feedback device based on competitive resource |
| EP10840599.4A EP2512198B1 (en) | 2009-12-31 | 2010-12-30 | Method and apparatus for contention based resource configuration |
| CA2786083A CA2786083C (en) | 2009-12-31 | 2010-12-30 | Contention based resource configuration method and apparatus |
| PCT/CN2010/080546 WO2011079812A1 (en) | 2009-12-31 | 2010-12-30 | Method and apparatus for contention based resource configuration |
| JP2012546347A JP5617138B2 (en) | 2009-12-31 | 2010-12-31 | Contention-based resource configuration method and apparatus |
| ES10840601.8T ES2534677T3 (en) | 2009-12-31 | 2010-12-31 | Method and apparatus for configuration of resources based on containment |
| EP10840601.8A EP2521407B1 (en) | 2009-12-31 | 2010-12-31 | Contention based resource configuration method and apparatus |
| EP10840600.0A EP2521323B1 (en) | 2009-12-31 | 2010-12-31 | Information feedback method and device |
| PCT/CN2010/080557 WO2011079814A1 (en) | 2009-12-31 | 2010-12-31 | Contention based resource configuration method and apparatus |
| PCT/CN2010/080555 WO2011079813A1 (en) | 2009-12-31 | 2010-12-31 | Information feedback method and device |
| US13/539,166 US9357562B2 (en) | 2009-12-31 | 2012-06-29 | Contention based resource configuration method and apparatus |
| US13/538,659 US9357561B2 (en) | 2009-12-31 | 2012-06-29 | Information feedback method and apparatus |
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| CN200910238884.3A CN102118236B (en) | 2009-12-31 | 2009-12-31 | Feedback method and feedback device based on competitive resource |
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| CN102118236A CN102118236A (en) | 2011-07-06 |
| CN102118236B true CN102118236B (en) | 2014-04-02 |
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| CN103369703A (en) * | 2013-07-08 | 2013-10-23 | 南京大学 | Method and device used for same-frequency heterogeneous wireless network coexist |
| CN112073150B (en) | 2015-01-30 | 2022-08-09 | 华为技术有限公司 | Asynchronous uplink method, terminal and base station |
| EP3316611B1 (en) * | 2015-07-29 | 2019-12-04 | Huawei Technologies Co., Ltd. | Sending apparatus, receiving apparatus and method for feedback information |
| CN107027180B (en) * | 2016-02-02 | 2019-08-30 | 中兴通讯股份有限公司 | The sending method and terminal of unauthorized carrier wave upstream data |
| JP2020501384A (en) * | 2016-10-20 | 2020-01-16 | オッポ広東移動通信有限公司 | Uplink data transmission method, network side device and terminal device |
| CN108737035B (en) * | 2017-04-17 | 2021-09-03 | 上海诺基亚贝尔股份有限公司 | Method and apparatus for autonomous uplink transmission |
| CN107623562B (en) * | 2017-09-30 | 2021-05-07 | 新华三技术有限公司 | Data transmission method and device and electronic equipment |
| CN112969197B (en) * | 2021-01-29 | 2022-09-02 | 紫光展锐(重庆)科技有限公司 | Data transmission method and device for enhancing coverage scene and computer-readable storage medium |
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| CN101523966A (en) * | 2006-10-10 | 2009-09-02 | 交互数字技术公司 | Method and apparatus for sending feedback for a downlink shared service transmitted to a plurality of wireless transmit/receive units |
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| KR101381465B1 (en) * | 2008-02-20 | 2014-04-04 | 삼성전자주식회사 | Sdma communication system to feedback of a channel state information and therefor method |
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