CN102013963B - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN102013963B CN102013963B CN 200910169544 CN200910169544A CN102013963B CN 102013963 B CN102013963 B CN 102013963B CN 200910169544 CN200910169544 CN 200910169544 CN 200910169544 A CN200910169544 A CN 200910169544A CN 102013963 B CN102013963 B CN 102013963B
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Abstract
The embodiment of the invention provides data transmission method and device. The method comprises the steps of: determining a sending mode of uplink grouped data according to the received control information sent by a wireless network controller; and sending the uplink grouped data to a base station through a special physical data channel of an enhanced dedicated channel according to the determined sending mode, wherein the control information comprises sizes of transmission blocks configured in advance by the wireless network controller, or the control information comprises sizes of the transmission blocks configured in advance by the wireless network controller and fixed redundancy versions. The data transmission method and device of the embodiment of the invention reduce the uplink interference through reducing the sending of the uplink control information and increase the user quantity supported by the network.
Description
Technical field
The present invention relates to transfer of data, relate in particular to a kind of data transmission method and device.
Background technology
Increase along with development of Communication Technique and every profession and trade business demand, MTC (Machine TypeCommunications, Machine Type communication) development thereupon, MTC refers between one or more network element in the network service that does not need to carry out under the artificial situation about participating in, as application such as remote measurement, teleprocessing, safety and monitoring, public transport, commercial Application, remote meter reading, domestic. applications, sale and payments, these application are collectively referred to as M2M (Machine To Machine, machine is to machine) and use.During M2M uses, a plurality of M2ME (Machine To ' MachineEquipment with identical M2M application; Machine below is referred to as UE to machinery equipment) form a whole, be called for short group (Group), Virtual network operator or industry user can do the group as a wholely to manage or control.For example the remote meter reading of power industry is used, and we can form a group with ammeters all in the city, and Virtual network operator and power industry user can do this group as a whole mobile management optimization or the access-in management of carrying out.
The inventor finds in realizing process of the present invention, at existing UMTS (Universal MobileTelecommunications System, universal mobile telecommunications system) in the network, the transmitted in packets of UE upstream data adopts E-DCH (Enhanced Dedicated Channel, strengthen dedicated channel) the channel transmission, E-DPDCH (the E-DCH Dedicated Physical Data Channel that comprises loaded packet data, the E-DCH Dedicated Physical Data Channel) E-DPCCH (E-DCHDedicated Physical Control Channel, the E-DCH Dedicated Physical Control Channel) channel of channel and the corresponding control information of carrying.Wherein E-DPCCH carries the 10 bit control informations relevant with packet data transmission, comprises the E-TFCI (E-DCH Transport Format Combination Indicator, the indication of E-DCH transformat combination) of 7 bits, is used to indicate the transmission block size; The RSN of 2 bits (Retransmission SequenceNumber, re-transmission sequence number) is used to indicate HARQ (Hybrid Automatic Repeat Request mixes automatic repeat requests) transmission number, and then obtains redundancy version information; And the happy bit of 1 bit (joyful bit), be used to indicate UE and whether wish to obtain bigger transfer resource.The E-DPCCH channel E-DPDCH channel that invariably accompanies sends in a TTI (Transmission Time Interval, Transmission Time Interval) together.Up channel transmission simultaneously also need follow the DPCCH channel to control and channel estimating with the rate of doing work.
Therefore, in the upstream data packet transmission, especially exist in the network under the situation of a large amount of UE, the uplink interference that control channel causes can obviously increase, and causes the increase of area interference level, and the number of users that network can be supported reduces and uplink throughput descends.
Summary of the invention
The embodiment of the invention provides a kind of data transmission method and device, can support the technical problem that number of users reduces with the uplink interference and the network that solve a large amount of M2M terminals.
The above-mentioned purpose of the embodiment of the invention is achieved by the following technical solution:
The embodiment of the invention provides a kind of data transmission method, and described method comprises: the sending mode of determining ascending packet data according to the control information of the radio network controller transmission that receives; According to described definite sending mode, send ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station; Wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured.
The embodiment of the invention also provides a kind of data transmission method, and described method comprises: the receiving mode of determining the ascending packet data that subscriber equipment sends according to the control information of the radio network controller transmission that receives; The ascending packet data that subscriber equipment is sent by the Dedicated Physical Data Channel that strengthens dedicated channel according to described receiving mode carries out the blind Detecting reception; Wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured.
The embodiment of the invention also provides a kind of subscriber equipment, and described subscriber equipment comprises: determining unit, for the sending mode of determining ascending packet data according to the control information of radio network controller transmission; Transmitting element is used for the sending mode definite according to described determining unit, sends ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station; Wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured.
The embodiment of the invention also provides a kind of base station, and described base station comprises: determining unit, for the receiving mode of determining the ascending packet data that subscriber equipment sends according to the control information of radio network controller transmission; Detect receiving element, be used for carrying out blind Detecting according to the ascending packet data that the determined receiving mode of described determining unit sends by the Dedicated Physical Data Channel that strengthens dedicated channel subscriber equipment and receive; Wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured.
The data transmission method of the embodiment of the invention and device have reduced uplink interference by reducing the transmission of ascending control information, have increased the number of users that network can be supported.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram of one embodiment of the invention;
Fig. 2 is the method flow diagram of a kind of execution mode embodiment illustrated in fig. 1;
Fig. 3 is the method flow diagram of another kind of execution mode embodiment illustrated in fig. 1;
Fig. 4 is the method flow diagram of another embodiment of the present invention;
Fig. 5 is that the subscriber equipment of the embodiment of the invention is formed block diagram;
Fig. 6 is the composition frame chart of the base station of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, below in conjunction with embodiment and accompanying drawing, the embodiment of the invention is described in further details.At this, illustrative examples of the present invention and explanation thereof are used for explanation the present invention, but not as a limitation of the invention.
Embodiment one
The embodiment of the invention provides a kind of data transmission method, below in conjunction with accompanying drawing present embodiment is elaborated.
Fig. 1 is the method flow diagram of present embodiment, please refer to Fig. 1, and the data transmission method of present embodiment comprises the steps:
Step 101: the sending mode of ascending packet data is determined in the control information that subscriber equipment sends according to the radio network controller that receives;
In the present embodiment, this control information can comprise size or the modulation system of several transmission blocks that radio network controller is pre-configured, so that subscriber equipment is determined the sending mode of ascending packet data and then carried out the transmission of ascending packet data according to this control information.This control information can also comprise the fixing redundancy version information that radio network controller is pre-configured, so that the base station is according to this control information, data retransmission and ascending packet data that the subscriber equipment that receives is sent merge.
Wherein, radio network controller can be according to the UE type information or the business information that obtain, the control information that comprises transport block size information or modulation system or redundancy version information that configuration is relevant, notifying user equipment.
In the present embodiment, radio network controller can pass through activating set updating (Active Setupdate), cell update is confirmed (Cell update confirm), physical channel is reshuffled (Physicalchannel reconfiguration), radio bearer is reshuffled (Radio Bearer reconfiguration), radio bearer discharges (Radio Bearer release), radio bearer is set up (Radio Bearer setup), the Radio Resource control connection is set up (RRC connection setup), transmission channel is reshuffled message such as (Transportchannel reconfiguration) and is carried this control information, be handed down to subscriber equipment, but present embodiment not with this as restriction.
Step 102: subscriber equipment sends ascending packet data by the Dedicated Physical Data Channel E-DPDCH that strengthens dedicated channel to described base station according to determined sending mode.
Wherein, the transmission of up channel is all followed and is used Dedicated Physical Control Channel UL DPCCH to follow the corresponding control information of transmission carrying, in order to carry out power control and channel estimating etc., this belongs to the content of prior art, does not repeat them here.
In the present embodiment, because subscriber equipment has been determined sending mode according to the control information that RNC sends, therefore when sending ascending packet data by E-DPDCH to the base station, do not need to follow the corresponding control information of transmission carrying by E-DPCCH, this mode can be referred to as the E-DPCCHless pattern.Send ascending packet data and follow the situation that sends the corresponding control information of carrying by the E-DPCCH channel by E-DPDCH with respect to of the prior art, owing to reduced the control channel transmission, so reduced uplink interference.
The data transmission method of present embodiment can be applied to M2M and use, owing in M2M uses, have many types (Category), for example MO Only (business only starts) refers to that UE only carries out the business that UE initiatively initiates; Low Data Usage (low data use) expression network side and UE have seldom data interaction or UE and network side not to have in the long time section alternately; UE is seldom mobile in Low Mobility (weak movement) expression, such as UE fixed-site or nomadic.Therefore, compare with traditional H2H (Human To Human, Human To Human) application, M2M uses has following characteristics:
1) the information main purpose of transmitting between the M2M terminal is in order to realize some control functions automatically, not need artificial participation;
2) the potential terminal quantity of participation M2M communication is very huge, and the mutual flow of each terminal may be very little, and may happen suddenly alternately, and is less demanding to real-time, is fit to transmitted in packets;
3) function that realizes of M2M terminal is relatively single, and it is mutual only need to finish more specific information transmission;
4) position of some M2M terminal may be relatively-stationary, and is perhaps seldom mobile;
5) terminal behavior of the M2M under application-specific is consistent.For example, electronic meter reading business, all terminals all are to upload data at a certain special time to a certain particular server.
In the present embodiment, because the data volume that M2M uses is relatively fixing, and data volume is less, therefore, (Radio Network Controller RNC) can use pre-configured several transmission block size or modulation system according to M2M as the radio network controller of network side, mutual as control information and subscriber equipment and base station, thus, blind Detecting is carried out according to the pre-configured transmission block of RNC in the base station, and subscriber equipment then can no longer be indicated E-TFCI information.In addition, radio network controller can also pre-configured fixing redundancy versions, and mutual as control information and base station and subscriber equipment equally, thus, subscriber equipment also no longer needs to indicate RSN information.The data volume of using owing to M2M is little and more fixing again, and subscriber equipment can adopt the mode of non-scheduled transmission, and therefore, subscriber equipment does not need to indicate whether to wish to obtain bigger transfer resource by HAPPY bit.
In the present embodiment, if the base station according to the ascending packet data that receives, feedback acknowledgment (ACK) indication, then subscriber equipment continues the transmission of the ascending packet data of next TTI, mode does not repeat them here as described in the embodiment one.If the base station, is fed back non-affirmation (NACK) indication according to the ascending packet data that receives, then subscriber equipment carries out the re-transmission of ascending packet data.
According to an embodiment of the present embodiment, subscriber equipment carries out data re-transmission and can adopt E-DPDCH to follow E-DPCCH, please refer to Fig. 2, and this method comprises:
Step 201: subscriber equipment receives the non-affirmation indication that described base station sends;
Step 202: subscriber equipment is according to described non-affirmation indication, and the Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station, follows by the Dedicated Physical Control Channel that strengthens dedicated channel to send the corresponding control information of carrying.
Another execution mode according to present embodiment, subscriber equipment carries out data re-transmission can adopt mode shown in Figure 1, namely use the E-DPDCH channel to send data and do not follow use E-DPCCH channel to send corresponding control information, please refer to Fig. 3, this method comprises:
Step 301: subscriber equipment receives the non-affirmation indication that described base station sends;
Step 302: subscriber equipment is according to described non-affirmation indication and the sending mode determined, and the Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station.
In the present embodiment, in order to control the sending mode of subscriber equipment, to meet network demand and the business demand of progressively development, the method for present embodiment can also arrange the open and close of the sending mode of subscriber equipment by the base station.
Please continue with reference to Fig. 1, send in the process of ascending packet data to the base station when subscriber equipment is adopting the mode of step 102, this method also comprises the steps:
Step 103: subscriber equipment receives the pattern conversion instruction that described base station sends, and this pattern conversion instruction is used to indicate the conversion that described subscriber equipment carries out sending mode;
Step 104: subscriber equipment is according to described pattern conversion instruction, by only sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, do not follow and send the corresponding control information of carrying, the Dedicated Physical Data Channel that is converted to by strengthening dedicated channel sends ascending packet data to the base station, follows by the Dedicated Physical Control Channel that strengthens dedicated channel to send the corresponding control information of carrying.
So, subscriber equipment has been finished the work that pattern is changed according to the control of base station, that is, and and when sending ascending packet data to the base station, send the corresponding control information of carrying by not following, conversion sends the corresponding control information of carrying in order to follow by the Dedicated Physical Control Channel that strengthens dedicated channel.
Please continue with reference to Fig. 1, according to the method for present embodiment, send in the process of ascending packet data to the base station when subscriber equipment is adopting the mode of step 104, this method also comprises the steps:
Step 105: subscriber equipment receives the pattern conversion instruction that described base station sends, and this pattern conversion instruction is used to indicate the conversion that described subscriber equipment carries out sending mode;
Step 106: subscriber equipment is according to described pattern conversion instruction and determined sending mode, by sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, follow and send the corresponding control information of carrying, only be converted to and send ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, no longer follow by the Dedicated Physical Control Channel that strengthens dedicated channel to send the corresponding control information of carrying.
So, subscriber equipment has been finished the pattern conversion work according to the control of base station again, namely, when sending ascending packet data to the base station, send ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, follow to send the corresponding control information of carrying, only be converted to and send ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, no longer follow by the Dedicated Physical Control Channel that strengthens dedicated channel to send the corresponding control information of carrying.
In the present embodiment, physical layer signaling can be passed through in the base station, HS-SCCH order (HighSpeed Shared Control Channel order for example, high-speed shared control channel command), HS-DSCHorder (High Speed Downlink Shared Channel order, the high speed descending sharing channel order) send this pattern conversion instruction to subscriber equipment, but present embodiment not with this as restriction.
The data transmission method of the embodiment of the invention, characteristics according to the M2M application, by the pre-configured control information of radio network controller, and it is this control information and subscriber equipment and base station is mutual, subscriber equipment no longer needs to indicate control information by E-DPCCH, and therefore, the ascending packet data that subscriber equipment sends to the base station no longer comprises the control information among the E-DPCCH, thereby reduced the uplink interference that the E-DPCCH control channel causes, increased the number of users that network can be supported.
Embodiment two
The embodiment of the invention also provides a kind of data transmission method, below in conjunction with accompanying drawing present embodiment is elaborated.
Fig. 4 is the method flow diagram of present embodiment, please refer to Fig. 4, and the data transmission method of present embodiment comprises the steps:
Step 401: the receiving mode of the ascending packet data that subscriber equipment sends is determined according to the control information that the radio network controller that receives sends in the base station;
In the present embodiment, this control information can comprise size or the modulation system of several transmission blocks that radio network controller is pre-configured, so that receiving mode is determined according to this control information in the base station, only to send ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel at subscriber equipment, and do not follow when sending the corresponding control information of carrying by E-DPCCH, the ascending packet data that subscriber equipment is sent carries out blind Detecting and receives.Further, this control information can also comprise the fixing redundancy version information that radio network controller is pre-configured, so that the base station merges according to the ascending packet data of this redundancy version information to the data retransmission that receives and the mistake that received before this data retransmission.
In the present embodiment, radio network controller can be set up by Radio Link and ask (RL setuprequest), Radio Link increase (RL addition), radio link reconfiguration message such as (RL reconfiguration) to carry this control information, sending to the base station, but present embodiment not with this as restriction.
Step 402: the ascending packet data that the base station sends by the Dedicated Physical Data Channel that strengthens dedicated channel subscriber equipment according to described receiving mode carries out blind Detecting and receives.
In the present embodiment, subscriber equipment is to come only to send ascending packet data by the Dedicated Physical Data Channel E-DPDCH that strengthens dedicated channel to the base station according to the control information that the radio network controller that receives sends, do not follow E-DPCCH, namely do not follow by the E-DPCCH channel yet and send the corresponding control information of carrying, specifically describe at embodiment one, do not repeat them here.
The data transmission method of present embodiment, the ascending packet data that according to the control information of radio network controller subscriber equipment is sent by the base station carries out blind Detecting and receives, because this ascending packet data is not followed by the E-DPCCH channel and is sent the corresponding control information of carrying, thereby reduced uplink interference, the number of users that the residential quarter can be supported increases.
In the present embodiment, please continue with reference to Fig. 4, at the ascending packet data that receives, the method for present embodiment also comprises:
Step 403: the base station judges whether the transmission block of described ascending packet data is correct.
In the present embodiment, the base station judges whether the transmission block of ascending packet data is correct, can adopt the mode of prior art, present embodiment not with this as restriction, if the result that the base station is judged is, the transmission block of the ascending packet data that this subscriber equipment that receives sends is wrong, and then execution in step 404, otherwise execution in step 405;
Step 404: non-affirmation indication is fed back to subscriber equipment in the base station, and waits for the transmission next time of described subscriber equipment;
In the present embodiment, if the transmission block of the ascending packet data that this subscriber equipment sends is wrong, then the base station can abandon the transmission block of the described ascending packet data of this subscriber equipment transmission that receives, no longer this transmission block of buffer memory.But present embodiment not with this as restriction, the base station also can keep this wrong data as the processing mode of prior art, in order to merge with data retransmission.
Step 405: the ascending packet data of next TTI is continued to receive to the indication of subscriber equipment feedback acknowledgment in the base station, does not repeat them here.
An execution mode according to present embodiment, the transmission of data retransmission need be followed E-DPCCH, embodiment as shown in Figure 2, therefore, in the present embodiment, the base station is when carrying out the blind Detecting reception to ascending packet data by the mode of step 402, and also the mode by prior art receives ascending packet data, if the transmission block of the ascending packet data that the subscriber equipment that the base station receives sends is correct, then the method for present embodiment also comprises:
Step 406: whether the base station follows the corresponding control information of transmission carrying to judge whether this ascending packet data is data retransmission by E-DPCCH according to this ascending packet data;
Step 407: if this ascending packet data is data retransmission, then the base station can be according to the redundancy version information in the control information of RNC transmission, the ascending packet data of this data retransmission with the mistake that receives before merged, and the concrete same prior art of processing mode does not repeat them here.
Another one execution mode according to present embodiment, data retransmission is not followed E-DPCCH, also be that data retransmission is not followed the corresponding control information of transmission carrying by E-DPCCH, embodiment as shown in Figure 3, therefore, in the present embodiment, the base station no longer merges with the ascending packet data of the mistake that receives before, and with to receive ascending packet data the same, judge directly whether this data retransmission is correct, and to the indication information of subscriber equipment feedback correctness.
According to the method for present embodiment, for the switch of the sending mode of controlling subscriber equipment, the method for present embodiment also comprises:
The base station is to the conversion instruction of described subscriber equipment sending mode, this pattern conversion instruction is used to indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, never follow the sending mode that sends the corresponding control information of carrying, be converted to by the Dedicated Physical Control Channel that strengthens dedicated channel and follow the sending mode that sends the corresponding control information of carrying; Perhaps indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, send the sending mode that carries corresponding control information from following the sending mode that sends the corresponding control information of carrying by the Dedicated Physical Control Channel that strengthens dedicated channel, be converted to not follow.
Wherein, the pattern conversion instruction that subscriber equipment sends according to the base station is handled accordingly and is had been described in detail in embodiment one, does not repeat them here.The base station receives the ascending packet data that subscriber equipment sends, whether follow the corresponding control information of carrying to decide its blind Detecting receive mode according to this ascending packet data, for example, if this ascending packet data is followed the corresponding control information of carrying, then the base station adopts existing mode that this ascending packet data is received; If this ascending packet data is not followed the corresponding control information of carrying, then the base station adopts mode shown in Figure 4 that this ascending packet data is carried out the blind Detecting reception; If this ascending packet data is not followed the corresponding control information of carrying, but data retransmission is followed the corresponding control information of carrying, and then the base station adopts existing mode and mode shown in Figure 4 that this ascending packet data is carried out the blind Detecting reception simultaneously, does not repeat them here.
Because the terminal data amount that M2M uses is very huge, and the uplink of the terminal of a large amount of M2M causes the increase of uplink interference, the number of users that restricted cell is supported, the data transmission method of present embodiment sends by the ascending control channel that reduces each M2M equipment, reduced uplink interference, the number of users that the residential quarter can be supported increases.
Embodiment three
The embodiment of the invention also provides a kind of subscriber equipment, below in conjunction with accompanying drawing present embodiment is elaborated.
Fig. 5 is the composition schematic block diagram of the subscriber equipment of present embodiment, please refer to Fig. 5, and the subscriber equipment of present embodiment comprises:
Determining unit 51, for the sending mode of determining ascending packet data according to the control information of the radio network controller transmission that receives, wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured;
Transmitting element 52 is used for according to described definite sending mode, sends ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station.
According to an execution mode of present embodiment, this subscriber equipment also comprises:
Receiving element 53 is used for receiving the control information that described radio network controller sends.
According to the another one execution mode of present embodiment, this receiving element 53 also is used for receiving affirmation indication or the non-affirmation indication that described base station sends.
An execution mode according to present embodiment, transmitting element 52 also is used for the non-affirmation indication and the described definite sending mode that receive according to receiving element 53, and the Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station.
Another execution mode according to present embodiment, transmitting element 52 also is used for indicating according to the non-affirmation that receiving element 53 receives, Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station, and follows the corresponding control information of transmission carrying by the Dedicated Physical Control Channel that strengthens dedicated channel.
Another one execution mode according to present embodiment, receiving element 53 also is used for receiving the pattern conversion instruction that the base station sends, described pattern conversion instruction is used to indicate subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, never follow the sending mode that sends the corresponding control information of carrying, be converted to by the Dedicated Physical Control Channel that strengthens dedicated channel and follow the sending mode that sends the corresponding control information of carrying; Perhaps indicate subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, send the sending mode that carries corresponding control information from following the sending mode that sends the corresponding control information of carrying by the Dedicated Physical Control Channel that strengthens dedicated channel, be converted to not follow.
Each component units of the subscriber equipment of present embodiment is respectively applied to realize each step of the data transmission method of previous embodiment one, because in embodiment one, each step to data transmission method has been described in detail, so do not repeat them here.
The user equipment applications of the embodiment of the invention is in M2M uses, according to the pre-configured control information of radio network controller, and the blind Detecting information of base station, sending in the ascending packet data to the base station, no longer send the E-DPCCH channel, thereby reduced the uplink interference that the E-DPCCH control channel causes, increased the number of users that network can be supported.
Embodiment four
The embodiment of the invention also provides a kind of base station, below in conjunction with accompanying drawing present embodiment is elaborated.
Fig. 6 is the composition schematic block diagram of the base station of present embodiment, please refer to Fig. 6, and the base station of present embodiment comprises:
Determining unit 61 is used for the control information according to the radio network controller transmission that receives, and determines the receiving mode of the ascending packet data that subscriber equipment sends, and wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured;
According to an execution mode of present embodiment, this base station also comprises first judging unit 63 and transmitting element 64, wherein:
First judging unit 63 is used for judging whether the transmission block of described ascending packet data is correct;
Transmitting element 64, being used in the judged result of first judging unit 63 is during the transmission block mistake of described ascending packet data, to send non-affirmation indication to described subscriber equipment, and wait for the transmission next time of described subscriber equipment.At this moment, this base station can abandon this wrong ascending packet data, also can not abandon, in order to merge with data retransmission.
According to another execution mode of present embodiment, it is when the transmission block of described ascending packet data is correct, to send the affirmation indication to described subscriber equipment that transmitting element 64 also is used in the judged result of first judging unit 63.
According to an a kind of execution mode of this enforcement, this base station also comprises second judging unit 65 and merge cells 66, wherein:
Second judging unit 65, the judged result that is used at first judging unit 63 is when the transmission block of described ascending packet data is correct, to judge whether described ascending packet data is data retransmission; Wherein, whether this second judging unit 65 can follow the corresponding control information of carrying to judge whether this ascending packet data is data retransmission according to this ascending packet data, for example, if this ascending packet data is followed the corresponding control information of carrying, then the base station determines that this ascending packet data is data retransmission.
Merge cells 66, being used in the judged result of second judging unit 65 is when described ascending packet data is data retransmission, the ascending packet data of described data retransmission with the mistake that received before this data retransmission to be merged.
An execution mode according to present embodiment, transmitting element 64 also is used for to the conversion instruction of described subscriber equipment sending mode, indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, never follow the sending mode that sends the corresponding control information of carrying, be converted to by the Dedicated Physical Control Channel that strengthens dedicated channel and follow the sending mode that sends the corresponding control information of carrying; Perhaps indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, send the sending mode that carries corresponding control information from following the sending mode that sends the corresponding control information of carrying by the Dedicated Physical Control Channel that strengthens dedicated channel, be converted to not follow.
Each component units of the base station of present embodiment is respectively applied to realize each step of the data transmission method of previous embodiment two, because in embodiment two, each step to data transmission method has been described in detail, so do not repeat them here.
The base station applies of the embodiment of the invention is in M2M uses, carry out blind Detecting according to the control information that radio network controller is pre-configured, to receive the ascending packet data that subscriber equipment sends, owing to no longer comprise the E-DPCCH channel in this ascending packet data, thereby reduced the uplink interference that the E-DPCCH control channel causes, increased the number of users that network can be supported.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a data transmission method is characterized in that, described method comprises:
The sending mode of ascending packet data is determined in the control information that sends according to the radio network controller that receives, and wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps, described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured;
According to described definite sending mode, send ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station;
Receive the pattern conversion instruction that the base station sends, described pattern conversion instruction is used to indicate subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, never follow the sending mode that sends the corresponding control information of carrying to described base station, be converted to by the Dedicated Physical Control Channel of described enhancing dedicated channel and follow the sending mode that sends the corresponding control information of described carrying to described base station, perhaps indicate subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, do not follow the sending mode that sends the corresponding control information of described carrying to described base station from following the sending mode that sends the corresponding control information of carrying to described base station by the Dedicated Physical Control Channel that strengthens dedicated channel, being converted to.
2. method according to claim 1 is characterized in that, the described Dedicated Physical Data Channel that passes through to strengthen dedicated channel also comprises after the base station sends ascending packet data:
Receive the non-affirmation indication that described base station sends;
According to described non-affirmation indication and described definite sending mode, the Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station.
3. method according to claim 1 is characterized in that, the described Dedicated Physical Data Channel that passes through to strengthen dedicated channel also comprises after the base station sends ascending packet data:
Receive the non-affirmation indication that described base station sends;
According to described non-affirmation indication, the Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station, and follows to described base station by the Dedicated Physical Control Channel that strengthens dedicated channel and to send the corresponding control information of carrying.
4. a data transmission method is characterized in that, described method comprises:
The receiving mode of the ascending packet data that subscriber equipment sends is determined in the control information that sends according to radio network controller, and wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured;
The ascending packet data that subscriber equipment is sent by the Dedicated Physical Data Channel that strengthens dedicated channel according to described receiving mode carries out the blind Detecting reception;
To the conversion instruction of described subscriber equipment sending mode, described pattern conversion instruction is used to indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, never follow the sending mode that sends the corresponding control information of carrying to the base station, be converted to by the Dedicated Physical Control Channel that strengthens dedicated channel and follow the sending mode that sends the corresponding control information of described carrying, perhaps indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, do not follow the sending mode that sends the corresponding control information of carrying to described base station from following the sending mode that sends the corresponding control information of carrying by the Dedicated Physical Control Channel that strengthens dedicated channel, being converted to;
Sending mode according to the ascending packet data of described subscriber equipment receives described ascending packet data.
5. method according to claim 4 is characterized in that, described method also comprises:
Whether the transmission block of judging described ascending packet data is correct;
If the transmission block mistake of described ascending packet data then abandons the transmission block of the ascending packet data of the mistake that receives, and wait for the transmission next time of described subscriber equipment;
If the transmission block of described ascending packet data is correct, then sends to described subscriber equipment and confirm indication, and wait for the transmission next time of described subscriber equipment.
6. method according to claim 5 is characterized in that, if the transmission block of described ascending packet data is correct, described method also comprises:
Judge whether described ascending packet data is data retransmission, if then according to the fixing redundancy versions in the described control information ascending packet data of described data retransmission with the mistake that received merged before this data retransmission.
7. method according to claim 6 is characterized in that, judges whether described ascending packet data is that retransmission data packet may is drawn together:
If described subscriber equipment sends data retransmission by the Dedicated Physical Data Channel of described enhancing dedicated channel to the base station, and follow the corresponding control information of transmission carrying to described base station by the Dedicated Physical Control Channel that strengthens dedicated channel, then whether follow the corresponding control information of described carrying according to the described ascending packet data that receives, judge whether described ascending packet data is data retransmission: when the described ascending packet data that receives is followed the corresponding control information of described carrying, judge that described ascending packet data is data retransmission, do not follow the corresponding control information of described carrying when the described ascending packet data that receives, judge that described ascending packet data is not data retransmission.
8. a subscriber equipment is characterized in that, described subscriber equipment comprises:
Determining unit, for the sending mode of determining ascending packet data according to the control information of radio network controller transmission, wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps, described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured;
Transmitting element is used for according to described definite sending mode, sends ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station;
Receiving element, be used for receiving the control information that described radio network controller sends, and, described receiving element, also be used for receiving the pattern conversion instruction that described base station sends, described pattern conversion instruction is used to indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, never follow the sending mode that sends the corresponding control information of carrying to the base station, be converted to by the Dedicated Physical Control Channel that strengthens dedicated channel and follow the sending mode that sends the corresponding control information of described carrying, perhaps indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, do not follow the sending mode that sends the corresponding control information of carrying to described base station from following the sending mode that sends the corresponding control information of carrying by the Dedicated Physical Control Channel that strengthens dedicated channel, being converted to.
9. subscriber equipment according to claim 8 is characterized in that:
Described receiving element also is used for receiving the non-affirmation indication that described base station sends.
10. subscriber equipment according to claim 9 is characterized in that:
Described transmitting element also is used for according to described non-affirmation indication and described definite sending mode, and the Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station.
11. subscriber equipment according to claim 9 is characterized in that:
Described transmitting element, also be used for according to described non-affirmation indication, Dedicated Physical Data Channel by described enhancing dedicated channel sends data retransmission to described base station, and follows the corresponding control information of transmission carrying to described base station by the Dedicated Physical Control Channel that strengthens dedicated channel.
12. a base station is characterized in that, described base station comprises:
Determining unit is used for the control information according to the radio network controller transmission, determines the receiving mode of the ascending packet data that subscriber equipment sends, and wherein, described control information comprises the transmission block size that described radio network controller is pre-configured; Perhaps described control information comprises transmission block size and the fixing redundancy versions that described radio network controller is pre-configured;
The detection receiving element is used for the receiving mode definite according to described determining unit, and the ascending packet data that subscriber equipment is sent by the Dedicated Physical Data Channel that strengthens dedicated channel carries out the blind Detecting reception;
First judging unit is used for judging whether the transmission block of described ascending packet data is correct;
Transmitting element, be used for when the judged result of described first judging unit is the transmission block mistake of described ascending packet data, send non-affirmation indication to described subscriber equipment, be the transmission block of described ascending packet data when correct in the judged result of described first judging unit, send to described subscriber equipment and confirm indication; And, described transmitting element also is used for to the conversion instruction of described subscriber equipment sending mode, described pattern conversion instruction is used to indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, never follow the sending mode that sends the corresponding control information of carrying to the base station, be converted to by the Dedicated Physical Control Channel that strengthens dedicated channel and follow the sending mode that sends the corresponding control information of described carrying, perhaps indicate described subscriber equipment when sending ascending packet data by the Dedicated Physical Data Channel that strengthens dedicated channel to the base station, do not follow the sending mode that sends the corresponding control information of carrying to described base station from following the sending mode that sends the corresponding control information of carrying by the Dedicated Physical Control Channel that strengthens dedicated channel, being converted to.
13. base station according to claim 12 is characterized in that, described base station also comprises:
Second judging unit, the judged result that is used for described first judging unit is that the transmission block of described ascending packet data is when correct, whether follow the corresponding control information of carrying according to described ascending packet data, judge whether described ascending packet data is data retransmission: when described ascending packet data is followed the corresponding control information of carrying, judge that described ascending packet data is data retransmission, do not follow the corresponding control information of described carrying when described ascending packet data, judge that described ascending packet data is not data retransmission;
Merge cells when being used for judged result at second judging unit and being described ascending packet data and being data retransmission, merges the ascending packet data of described data retransmission with the mistake that received before this data retransmission.
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| DE112011105440T5 (en) * | 2011-07-12 | 2014-04-17 | Intel Corporation | Resource scheduling for machine-to-machine devices |
| CN103959835B (en) * | 2012-11-23 | 2017-08-04 | 华为技术有限公司 | A kind of uplink data transmission method, apparatus and system |
| CN104735720B (en) * | 2013-12-20 | 2018-11-16 | 中兴通讯股份有限公司 | A kind of transmission method, base station, terminal and the system of machine type communication business information |
| CN106160931A (en) | 2015-04-09 | 2016-11-23 | 电信科学技术研究院 | A kind of method and device of information transmission |
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| CN1829111A (en) * | 2005-03-01 | 2006-09-06 | 株式会社Ntt都科摩 | Transmission power control method, mobile station and radio network controller |
| WO2008085331A2 (en) * | 2006-12-27 | 2008-07-17 | Lucent Technologies Inc. | Power reduction methods in enhanced transmitters and receivers |
| CN101237297A (en) * | 2007-01-31 | 2008-08-06 | 华为技术有限公司 | A method, device and system for transmitting control information of enhanced uplink dedicated channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1829111A (en) * | 2005-03-01 | 2006-09-06 | 株式会社Ntt都科摩 | Transmission power control method, mobile station and radio network controller |
| WO2008085331A2 (en) * | 2006-12-27 | 2008-07-17 | Lucent Technologies Inc. | Power reduction methods in enhanced transmitters and receivers |
| CN101237297A (en) * | 2007-01-31 | 2008-08-06 | 华为技术有限公司 | A method, device and system for transmitting control information of enhanced uplink dedicated channel |
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