CN103152147B - Radio communication device, radio communication control apparatus - Google Patents
Radio communication device, radio communication control apparatus Download PDFInfo
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- CN103152147B CN103152147B CN201310044496.8A CN201310044496A CN103152147B CN 103152147 B CN103152147 B CN 103152147B CN 201310044496 A CN201310044496 A CN 201310044496A CN 103152147 B CN103152147 B CN 103152147B
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Abstract
The present invention provides radio communication device, radio communication control apparatus, it uses additional data check bit to carry out the communication protocol of transceiving data, purpose is the handling capacity that raising system is overall, including: receive data judging portion, its data to receiving, use described data check position to carry out data check, it is determined that data whether mistake；Receive result sending part, it, when result of determination is mistake, abandons data, and the request of retransmitting of these data is sent to the other radio communication device of transmission source, when result of determination is for being not mistake, it is the other radio communication device that the normal meaning is sent to transmission source by data；Form detection unit, the form of its judgement data is normal or incorrect, when being judged to normal, data handover is given the process of regulation；And retransmission requesting section, it is when the form of data is judged as abnormal, abandons data, and request receives result sending part and carries out the repeating transmission request of these data.
Description
The application is filing date on October 3rd, 2007, Application No. 200780100941.0, invention entitled " nothing
Line communicator, radio communication control apparatus, wireless communications method and wireless communication control method " invention special
The divisional application of profit application.
Technical field
The present invention relates to use additional data check bit come transceiving data communication protocol radio communication device, for this
The radio communication control apparatus controlling communication of radio communication device.
Background technology
In recent years, agreement (the non-patent of the widely used wireless communication system being referred to as 3G (3rd generation)
Document 1).
This 3G also has several developmental stage, in addition at middle original 3G used such as FOMA, also goes out
Show the portable telephone of agreement that use communication speed more high speed, that be referred to as 3.5G or HSDPA, and then
The most also research is referred to as the agreement of Super 3G or 3.9G.
Agreement in the wireless communication system of the group of this 3G is divided into multiple layer, and layer 1 therein is known as physical layer
Layer, this layer 1 is responsible for the part of communication of reality.
Fig. 1 is the agreement pie graph of layer 2.
The layer 2 on the upper strata being positioned at layer 1 be by by MAC (Medium Access Control, media interviews control),
RLC (Radio Link Control, wireless spread-spectrum technology), PDCP (Packet Date Convergence Protocol,
Packet data convergence protocol) 3 sublayers constituting constitute.
Herein, the block of the process function being arranged in a layer or a sublayer is referred to as entity (entity), PDCP
Entity and RLC entity, corresponding to each LCH (Logical Channel: logic channel), only exist the LCH of use
Number (in the example shown in Fig. 1 be this n of #1～#n), and corresponding and carry out PDU (Protocol to 1 with 1 respectively
Data Unit) handing-over.Herein, in PDCP entity, 3.9G (Super 3G) carries out the secrecy of data
Deng process, in RLC entity, carry out the process retransmitting control etc. of data.
Further, MAC entity is integrated into 1 PDU by transmitting, by each LCH, the PDU come from each RLC entity
And it being sent to HARQ (Hybrid Automatic Repeat reQuest), HARQ passes through TRCH (Transport
Channel, transmission channel) send it to the layer 1 as lower layer.
Receiving side, MAC entity will be assigned to one or more PDU from layer 1 by the PDU that TRCH transmits,
And each PDU split is sent to each RLC entity by each LCH.
It addition, layer 2 more upper in there is also layer 3, but eliminate owing to being not directly dependent upon herein diagram and
Explanation.
Herein, for each PDU, be have studied by 3GPP (3rd Generation Partnersship Project)
Following form: the control information needed for the entity that be possible not only to additional user data, the other side side can also be added, with
The other side side carries out information exchange.
Fig. 2 is the figure of an example of the data flow representing the PDU that addition of control information.
In RLC entity, to RLC-SDU (the Source Data received from the PDCP entity of identical LCH
Unit) additional header H, and it is sent to MAC entity as the PDU (RLC-PDU) in rlc sublayer.?
In MAC entity, the RLC-PDU that comes will be sent from the RLC entity of multiple LCH as in media access control sublayer
SDU (MAC-SDU) receives, and is integrated by these multiple MAC-SDU, further additional MAC
Control information, further additional header H is used as 1 MAC-PDU and is sent to layer 1.In layer 1, with wireless
Send and send, from media access control sublayer, the MAC-PDU of coming.
On the other hand, receiving side, the MAC-PDU that layer 1 receives is sent in MAC entity, and MAC is real
The MAC-PDU of this reception is assigned to the MAC-SDU of each LCH and sends to the RLC entity of each LCH by body.
It addition, in this Fig. 2, although illustrate situation about normally receiving and dispatching, but constitute the HARQ of MAC entity
In (with reference to Fig. 1), just it is received by CRC (Cyclic Redundancy Check, cyclic redundancy check (CRC))
The most still receive abnormal verification, send ACK (Acknowledgment) when normal (CRC-OK) to transmission source,
Retransmitted by transmission NACK (Negatie Acknowledgement) when receiving abnormal (CRC-NG)
Request.
Fig. 3 is the figure representing the data flow comprising the loopback receiving ACK, NACK that side HARQ is carried out.
Herein, the HARQ transmission control unit of sending side is operated, and makes MAC-PDU#1 and MAC-PDU#2
These 2 MAC-PDU are transmitted to receiving side.Receive this 2 MAC-PDU receiving side joint, receive side
HARQ receives in control portion and carries out the CRC check to each MAC-PDU that this receives.This CRC check
Result, it is believed that MAC-PDU#1 is to receive abnormal (CRC-NG), now sends NACK to sending side, and
In the HARQ transmission control unit of sending side, when receiving NACK, carry out the weight of this identical MAC-PDU#1
Send out and control.In sending side, management have sent the moment of MAC-PDU#1, when receiving NACK from this NACK
The time of reception can identify that this NACK is the NACK which MAC-PDU of request retransmits.Therefore, exist
The side that receives of MAC-PDU does not send the identifier receiving abnormal MAC-PDU, and only by sending NACK,
It is known that there occurs in which MAC-PDU that in the sending side of this MAC-PDU transmission is abnormal.
About sending the MAC-PDU#2 of coming after MAC-PDU#1 from sending side, when receiving normal (CRC-OK)
Time, HARQ receives control portion and this MAC-PDU#2 sends to MAC-PDU determination processing unit, simultaneously to transmission
Side sends ACK.Receive the sending side of this ACK, recognize and need not control about the repeating transmission of MAC-PDU#2,
Send the MAC-PDU (herein for MAC-PDU#n) that next should send.
In MAC-PDU determination processing unit, it is determined that the MAC-PDU#2 receiving the reception of control portion from this HARQ is
It is the PDU or the PDU of abnormal form of normal format.
Fig. 4 is the signal representing the normal/abnormal determination processing of the form of the PDU in MAC-PDU determination processing unit
Figure.
As it has been described above, in HARQ receives control portion, when CRC check result is judged as receiving normal to sending out
Send side to send ACK, this MAC-PDU is sent to MAC-PDU determination processing unit simultaneously.Sentence at MAC-PDU
Determine in process portion, when receiving control portion reception MAC-PDU from HARQ, it is determined that the form of this MAC-PDU
It is normal or abnormal.
Following situation is such as enumerated as incorrect form.
(1) identifier of LCH is extraneous situation；
(2) head is than the situation specifying many (E (Extension) in head is masked as ON)；
(3) situation long for MAC-PDU that the summation ratio of the Length information in head receives；
(4) MAC controls the identifier of information is extraneous situation；
(5) situation etc. that the identifier of MAC control information is different from Length.
In MAC-PDU determination processing unit, it is determined that this MAC-PDU is normal format or incorrect form,
The MAC-SDU being assigned to each LCH when being normal format the RLC entity sending to each LCH are (with reference to figure
2), but when being incorrect form, this MAC-PDU is dropped.Now, MAC entity is not implemented retransmit control
System.It is as noted previously, as in RLC entity and does not carry out retransmitting control, therefore should connect not receiving this RLC entity
During the RLC-PDU received, retransmit request from RLC solid generation, but in the enforcement retransmitting control in RLC entity
Existence condition, it is impossible to implement immediately to retransmit to control.
Then, as the technology associated with the present invention, the MIMO using multiple antennas to communicate is described
The summary of (Multiple-Input Maltiple-Output, multiple-input and multiple-output).
Fig. 5 is the dispensing device representing and using MIMO and the block diagram of the summary receiving device, and Fig. 6 is to represent to adopt
Figure with data flow during MIMO.
As in figure 2 it is shown, in the MAC-PDU generation process portion 11 of sending side, comprehensively receive from each RLC
RLC-PDU (MAC-SDU) generates MAC-PDU.This MAC-PDU according to should send data generation and
Generate multiple, but illustrate MAC-PDU#1 and MAC-PDU#2 these 2 as representative in this Fig. 5, Fig. 6
MAC-PDU.The MAC-PDU that MAC-PDU generation process portion 11 generates is through HARQ transmission control unit 12
It is input to layer 1 transmission process portion 13, distributes multiple (being set to 2 as an example) to each MAC-PDU herein
Antenna 14a, 14b, and shared transmission by these 2 antennas 14a, 14b.
Receiving side, send from the 2 of sending side antennas 14a, 14b the MAC-PDU that comes by 2 antenna 24a,
24b receives and sends to layer 1 reception processing unit 23.In Fig. 6, by dual-mode antenna to referred to as mimo antenna, and press
Represent according to every couple of Yong &1, &2.
The MAC-PDU received by multiple antenna 24a, 24b by layer 1 reception processing unit 22 receiving side according to
HARQ receives control portion 22 to carry out CRC check and the transmission of NACK, ACK and is sent to MAC-PDU and sentences
Determine process portion 21, in MAC-PDU determination processing unit 21, it is determined that above-mentioned form normal/incorrect, just
Often it is assigned to the MAC-SDU of each LCH and sends to each RLC entity during form.The MAC-PDU of incorrect form
Abandoned by MAC-PDU determination processing unit 21.
As it has been described above, MIMO is the technology using multiple antennas to receive and dispatch parallel, by using multiple antennas permissible
Carry out broadband high-speed communication.
Non-patent literature 1:http: //www.3gpp.org/
In the case of above-mentioned communication protocol, there is problem as described below: in the MAC-PDU determination processing receiving side
The form of the MAC-PDU being received in portion is normal or abnormal judgement, when for abnormal form, and should
MAC-PDU is dropped.Require the acquisition controlling to carry out these data abandoned of retransmitting in RLC entity, but as above
Described, the repeating transmission in RLC entity controls to implement immediately, requires time for, thus cause to the request of retransmitting
Overall total throughout reduces.
Summary of the invention
It is an object of the invention to, provide in view of the above problems a kind of realize total throughout improve radio communication device,
Radio communication control apparatus, wireless communications method and wireless communication control method.
The 1st radio communication device in the radio communication device of the present invention realizing above-mentioned purpose, this radio communication device
Additional data check bit is used to carry out the communication protocol of transceiving data, it is characterised in that this radio communication device includes: connect
Receipts portion, it receives data from the other radio communication device of transmission source；Receiving data judging portion, it is to receiving
Data, use the data check position of these data to carry out data check, it is determined that these data whether mistake；Reception result is sent out
Sending portion, it, when result of determination is mistake, abandons data, and the request of retransmitting of these data is sent to transmission source additionally
Radio communication device, when result of determination is for being not mistake, be that the normal meaning is sent to the another of transmission source by data
Outer radio communication device；Form detection unit, the form of its judgement data is normal or incorrect, is just being judged to
Chang Shi, gives the process of regulation by data handover；And retransmission requesting section, it is judged as incorrect at the form of data
Time, abandon this data, it is desirable to receive result sending part and carry out the repeating transmission request of these data.
1st radio communication device of the present invention judges that the form of received data is normal or incorrect, and has
When being judged to incorrect, abandoning this data, the retransmission requesting section of above-mentioned reception result sending part carries out the weight of these data
Send out request requirement, carry out the request of retransmitting when therefore the form in data is incorrect immediately, improve the handling capacity of communication.
Herein, the communication protocol of above-mentioned 1st radio communication device typically comprises MAC (Medium Access
Control) agreement, above-mentioned data check is CRC (Cyclic Redundancy Check), the process of above-mentioned regulation
It is RLC (Radio Link Control).
And, it is achieved the 2nd radio communication device in the radio communication device of the present invention of above-mentioned purpose, this channel radio
T unit uses additional data check bit to receive and dispatch the communication protocol of the data comprising communication control information, and its feature exists
In, this radio communication device includes: acceptance division, and it receives data from the other radio communication device of transmission source；Send out
Sending portion, it sends data to the other radio communication device of sending destination；Receiving data judging portion, it is to reception
The data arrived, use the data check position of these data to carry out data check, it is determined that data whether mistake；Receive result
Sending part, it when result of determination is mistake, abandons data, the request of retransmitting of these data is sent to the another of transmission source
Data, when result of determination is for being not mistake, are that the normal meaning is sent to transmission source by outer radio communication device
Other radio communication device；Form detection unit, the form of its judgement data is normal or incorrect, is being judged to
Time normal, data handover is given the process of regulation；And retransmission requesting section, it is the most just judged as at the form of data
Time really, abandon data, compile in the communication control information be sent to the data of other radio communication device of transmission source
Enter to retransmit request and require that sending part carries out the transmission of data.
2nd radio communication device of the present invention judges that the form of data is normal or incorrect, and has retransmission requesting
Portion, for when the form of data is judged as incorrect, abandon this data, is being sent to the data of this transmission source
Communication control information enrolls repeating transmission request and requires that the retransmission requesting section of sending part carries out the transmission of these data, therefore exist
Carry out rapidly the repeating transmission request of data when the communication control information of data is incorrect, improve the handling capacity of communication.
Herein, in above-mentioned 2nd radio communication device, retransmission requesting section is preferably being sent to the other nothing of transmission source
The communication control information of the data of line communicator enrolls comprise the data received the time of reception information repeating transmission
Request carrys out requirement sending part and carries out the transmission of data.
The delivery time sending data to the transmission source sending incorrect data the most uniformly determines, therefore leads to
Cross in being sent to the communication control information of data of this transmission source, enroll the letter time of reception comprising incorrect data
Breath, can easily determine this incorrect data in the transmission source sending incorrect data.
Further, above-mentioned 2nd radio communication device the most also has multiple antenna, uses the plurality of antenna to carry out MIMO
(Multiple-Input Multiple-Output) communicates, and retransmission requesting section is being sent to the other channel radio of transmission source
The communication control information of the data of T unit enrolls and not only comprises the information time of reception of the data received and also comprise
The repeating transmission request of antenna identification information, it is desirable to sending part carries out the transmission of data.
In the case of the radio communication device using MIMO technology, multiple antenna is used to carry out channel radio concurrently
Letter, therefore by also comprising determine the sky of the antenna receiving incorrect data by not only comprising information above-mentioned time of reception
The repeating transmission request of line identification information is programmed into communication control information, in the transmission source sending this incorrect data, permissible
By these of information and antenna identification information, in this way it is easy to determine the incorrect data of this transmission time of reception.
The communication protocol of the 2nd radio communication device typically comprises MAC (Medium Access Control) association
View, above-mentioned data check is CRC (Cyclic Redundancy Check), and above-mentioned communication control information is MAC
Control information, the process of above-mentioned regulation is RLC (Radio Link Control).
Further, in any one of above-mentioned 1st radio communication device and the 2nd radio communication device, the most above-mentioned
When retransmission requesting section communication control information of comprising in retransmitting the data come is identical content incorrect, no longer this number
According to repeating transmission request.
When retransmit the data come comprise identical incorrect time, can not be eliminated this in transmission source incorrect, even if again
Carrying out the request of retransmitting, the probability that can obtain these incorrect data of elimination is the lowest, only causes increasing the traffic, because of
This most no longer carries out the request of retransmitting.
And, it is achieved the 1st radio communication control apparatus in the radio communication control apparatus of the present invention of above-mentioned purpose,
This radio communication control apparatus is for radio communication device and controls communication, and this radio communication device uses additional data school
Testing position and carry out the communication protocol of transceiving data, and have acceptance division and receive result sending part, the 1st radio communication controls
Device is characterised by, this radio communication control apparatus includes: reception data judging portion, its data to receiving,
Use the data check position of these data to carry out data check, it is determined that these data whether mistake；Receive result and send instruction
Portion, it is when result of determination is mistake, abandons data, instruction reception result sending part so that it is by the repeating transmission of these data
Request is sent to the other radio communication device of transmission source, and when result of determination is for being not mistake, instruction receives result
Sending part so that it is be the other radio communication device that the normal meaning is sent to transmission source by these data；Form judges
Portion, the form of its judgement data is normal or incorrect, when being judged to normal, data handover is given the place of regulation
Reason；And retransmission requesting section, it abandons this data when the form of data is judged as incorrect, it is desirable to receive knot
Really sending part carries out the repeating transmission request of these data.
And, it is achieved the 2nd radio communication control apparatus in the radio communication control apparatus of the present invention of above-mentioned purpose,
This radio communication control apparatus is for radio communication device and controls communication, and this radio communication device uses additional data school
Test position and receive and dispatch the communication protocol of the data comprising communication control information, and there is acceptance division and sending part and receive knot
Really sending part, the 2nd radio communication control apparatus is characterised by, this radio communication control apparatus includes: receive number
According to detection unit, its data to receiving, use the data check position of these data to carry out data check, it is determined that this number
The mistake according to whether；Receiving result and send instruction unit, it abandons data when result of determination is mistake, and instruction receives knot
Really sending part so that it is the request of retransmitting of these data is sent to the other radio communication device of transmission source, is judging knot
When fruit is for being not mistake, instruction receives result sending part so that it is be that the normal meaning is sent to transmission source by these data
Other radio communication device；Form detection unit, the form of its judgement data is normal or incorrect, is being judged to
Time normal, data handover is given the process of regulation；And retransmission requesting section, it is the most just judged as at the form of data
Time really, abandon this data, it is desirable to be sent to data logical of the other radio communication device of transmission source at this sending part
Letter control information is enrolled repeating transmission request.
And, it is achieved the 1st wireless communications method in the wireless communications method of the present invention of above-mentioned purpose, this channel radio
Letter method employs radio communication device, and this radio communication device includes acceptance division, receives data judging portion, reception knot
Really sending part, form detection unit and retransmission requesting section, and use additional data check bit to carry out the communication protocols of transceiving data
View, this wireless communications method is characterised by, this wireless communications method includes: receiving step, uses acceptance division, from
The other radio communication device of transmission source receives data；Receive data judging step, use and receive data judging portion,
To the data received, use the data check position of these data to carry out data check, it is determined that data whether mistake；Receive
Result forwarding step, uses and receives result sending part, when result of determination is mistake, abandons data, by these data
The request of repeating transmission is sent to the radio communication device of transmission source, when result of determination is for being not mistake, is normal by data
The meaning is sent to the radio communication device of transmission source；Format deciding step, uses form detection unit, it is determined that the lattice of data
Formula is normal or incorrect, when being judged to normal, data handover is given the process of regulation；And retransmission requesting step
Suddenly, use retransmission requesting section, when the form of data is judged as incorrect, abandon this data, it is desirable to receive result
Sending part carries out the repeating transmission request of these data.
And, it is achieved the 2nd wireless communications method in the wireless communications method of the present invention of above-mentioned purpose, this channel radio
Letter method employs radio communication device, this radio communication device include acceptance division, sending part, reception data judging portion,
Receive result sending part, form detection unit and retransmission requesting section, and use additional data check bit receive and dispatch comprise logical
The communication protocol of the data of letter control information, this wireless communications method is characterised by, this wireless communications method includes:
Receiving step, uses acceptance division, receives data from the other radio communication device of transmission source；Reception data judging walks
Suddenly, use and receive data judging portion, to the data received, use the data check position of these data to carry out data school
Test, it is determined that these data whether mistake；Receive result forwarding step, use and receive result sending part, in result of determination be
During mistake, abandon data, the request of retransmitting of these data is sent to the other radio communication device of transmission source, is sentencing
When determining result for being not mistake, it is the radio communication device that the normal meaning is sent to transmission source by data；Form judges
Step, uses form detection unit, it is determined that the form of data is normal or incorrect, when being judged to normal, by number
According to the process transferring regulation to；Retransmission requesting step, uses retransmission requesting section, and the form in data is the most just judged as
Time really, abandon data, in the communication control information be sent to the data of radio communication device of transmission source, enroll repeating transmission
Request, it is desirable to sending part carries out the transmission of these data；And use sending part to send to the radio communication device of transmission source
There is the step of the data of the communication control information having enrolled the request of repeating transmission.
And, it is achieved the 1st wireless communication control method in the wireless communication control method of the present invention of above-mentioned purpose,
This wireless communication control method employs for radio communication device and controls the radio communication control apparatus communicated, this nothing
Line communicator uses additional data check bit to carry out the communication protocol of transceiving data, and has acceptance division and receive result and send out
Sending portion, this wireless communication control method is characterised by, this wireless communication control method includes: receive data judging step
Suddenly, to the described data received, use the data check position of these data to carry out data check, it is determined that whether data
Mistake；Receiving result and send instruction step, when result of determination is mistake, abandon data, instruction receives result and sends
Portion so that it is the request of retransmitting of these data is sent to the other radio communication device of transmission source, is not in result of determination
When being mistake, instruction receives result sending part so that it is be the other nothing that the normal meaning is sent to transmission source by data
Line communicator；Format deciding step, it is determined that the form of data is normal or incorrect, when being judged to normal,
Data handover is given the process of regulation；And retransmission requesting step, when the form of data is judged as incorrect, lose
Abandon data, it is desirable to receive result sending part and carry out the repeating transmission request of these data.
And, it is achieved the 2nd wireless communication control method in the wireless communication control method of the present invention of above-mentioned purpose,
This wireless communication control method employs for radio communication device and controls the radio communication control apparatus communicated, this nothing
Line communicator uses additional data check bit to receive and dispatch the communication protocol of the data comprising communication control information, and has
Acceptance division and sending part and receive result sending part, this wireless communication control method is characterised by, this radio communication
Control method includes: receives data judging step, to the data received, uses the data check position of these data to enter
Row data check, it is determined that data whether mistake；Receive result and send instruction step, when result of determination is mistake, lose
Abandoning data, instruction receives result sending part so that it is the request of retransmitting of these data is sent to the other wireless of transmission source
Communicator, when result of determination is for being not mistake, instruction receives result sending part so that it is be to anticipate normally by data
Think to be sent to the other radio communication device of transmission source；Format deciding step, it is determined that the form of data is normal going back
Incorrect, when being judged to normal, data handover is given the process of regulation；And retransmission requesting step, use and retransmit
Requirement portion, when the form of data is judged as incorrect, abandons data, it is desirable to be sent to transmission source at sending part
The communication control information of the data of radio communication device enrolls repeating transmission request.
Herein, about radio communication control apparatus, wireless communication control method and wireless communication control method, say
Understand main form, but for the radio communication control apparatus of the present invention, wireless communication control method and wireless
Communication control method, as long as its character is constant, then comprises and the form of the radio communication device record to the invention described above
Corresponding form of ownership.
Accompanying drawing explanation
Fig. 1 is the agreement pie graph of layer 2.
Fig. 2 is the figure of an example of the data flow representing the PDU that addition of control information.
Fig. 3 is the figure of the data flow representing the loopback comprising ACK, NACK of receiving side HARQ.
Fig. 4 is showing of the normal/abnormal determination processing of the form representing the PDU in MAC-PDU determination processing unit
It is intended to.
Fig. 5 is the block diagram of the dispensing device representing and have employed MIMO and the summary receiving device.
Fig. 6 is the figure representing data flow when have employed MIMO.
Fig. 7 is the schematic diagram of the example representing the communication system applying one embodiment of the present invention.
Fig. 8 is that the HARQ in the 1st embodiment representing the present invention receives control portion and MAC-PDU judges
The block diagram in process portion.
Fig. 9 is the figure representing the data flow in the embodiment shown in Fig. 8.
Figure 10 is the block diagram of the structure in media access control sublayer in the 2nd embodiment representing the present invention, reception side.
Figure 11 is the figure representing the data flow in the embodiment shown in Figure 10.
Detailed description of the invention
Following description embodiments of the present invention.
Fig. 7 is the schematic diagram of the example representing the communication system applying one embodiment of the present invention.
In this Fig. 7, there is shown portable telephone 100 and and this portable telephone 100 between carry out radio communication
Base station 200.It addition, in the communication system of reality, there is multiple portable telephone and multiple base station, there is also multiple
Switch etc., but herein, illustrate only the structure that the irreducible minimum needed for present embodiment is described.
Radio communication is carried out, when portable telephone 100 becomes sending side between portable telephone 100 and base station 200
Base station 200 becomes reception side, and when base station 200 becomes sending side, portable telephone 100 becomes reception side.I.e., portable
Telephone set 100 and base station 200 all have the structure of sending side as described below and receive the structure of side.
In above-mentioned prior art, when existing incorrect in the form of received MAC-PDU, abandon this
MAC-PDU, requires, to RLC, the request of retransmitting, but in present embodiment, when the form of this MAC-PDU is deposited
When incorrect, as 2 examples described below so that carry out the request of retransmitting on the mac sublayer, thus
Improve the handling capacity of communication.It is only that request of the retransmitting this point on media access control sublayer is different from above-mentioned prior art,
Other points are directly to refer to above-mentioned explanation of the prior art.
I.e., about the structure of block diagram of radio communication device of the present invention, comprise sending out shown in above-mentioned Fig. 5 as an example
Send side and receive the structure of side both sides, and being only the point of following description with difference in above-mentioned prior art.
Fig. 8 is that the HARQ in the 1st embodiment representing the present invention receives control portion and MAC-PDU judges
The block diagram in process portion.
When receiving from the MAC-PDU that sending side transmission comes, receive connecing of control portion 22 at the HARQ receiving side
Receive in data judging portion 221, received MAC-PDU is carried out CRC check, when being to normally receive
(CRC-OK), time, this MAC-PDU is sent to MAC-PDU determination processing unit 21, meanwhile,
In ACK/NACK sending part 222 generate ACK send request, carry out from ACK/NACK sending part 222 via
The transmission of the ACK of layer 1.Wherein, even if from receiving data judging portion 221 to ACK/NACK sending part 222
Generating the transmission request of ACK, as described below, ACK/NACK sending part 222 does not carry out ACK sometimes
Transmission, and send NACK.
When being judged to receive abnormal (CRC-NG) by reception data judging portion 221, from receiving data judging portion 221
Generate the transmission request of NACK to ACK/NACK sending part 222, and lead to from ACK/NACK sending part 222
Cross layer 1 and send NACK to sending side.At the delivery time of sending side management MAC-PDU, and primarily illustrate
Which when receiving ACK/NACK, can identify PDU according to the time of reception of ACK/NACK
ACK/NACK, when, in the case of MIMO, the most still sending from the antenna identical with the antenna receiving side joint receipts
ACK/NACK, therefore in the sending side of PDU, can be right according to delivery time and the antenna being received identification
The ACK/NACK of which MAC-PDU.
Herein, in receiving data judging portion 221, it is judged to normally receive (CRC-OK) and sends to MAC-PDU
The MAC-PDU of determination processing unit 21, being this time determined in this MAC-PDU determination processing unit 21 is normal lattice
The PDU or the PDU of incorrect form of formula, when being the PDU of normal format, is assigned to the SDU of each LCH
And send to the RLC entity (with reference to Fig. 2) of each LCH.
On the other hand, when be judged in MAC-PDU determination processing unit 21 be the PDU of incorrect form time, lose
Abandon this PDU.Identical with above-mentioned prior art herein, but in the present embodiment, at MAC-PDU judgement
Reason portion 21 is judged to when being the PDU of incorrect form, is abandoning this PDU, is receiving control portion to HARQ simultaneously
The ACK/NACK sending part 222 of 22 asks the transmission of NACK, and rewrites ACK/NACK sending part 222
From the transmission request receiving the ACK that data judging portion 221 brings.Thus ACK/NACK sending part 222 is received
To the request from MAC-PDU determination processing unit 21, via layer 1 to sending side transmission NACK.
Fig. 9 is the figure representing the data flow in the embodiment shown in Fig. 8.
In the example represented, using base station as sending side herein, send here as representative from this sending side
These 2 MAC-PDU of MAC-PDU#1 and MAC-PDU#2, are received by as the portable telephone receiving side.
Receiving side, the more specifically media access control sublayer in layer 2 judges to normally receive (CRC-OK) or exception
Receive (CRC-NG).
Herein, first MAC-PDU#1 is carried out this judgement, owing to being to normally receive (CRC-OK), therefore this
Place first to send ACK to sending side.Wherein, ACK is not yet sent, during this period, it is determined that this MAC-PDU#1
Form be normal or incorrect, when the form of this MAC-PDU#1 is incorrect, will be owing to being to normally receive
(CRC-OK) and ACK to be sent is rewritten as NACK and is sent to sending side.Therefore in sending side, connecing
Just stress to send out the MAC-PDU#1 corresponding to this NACK to reception after receiving NACK.
About MAC-PDU#2, due to receive also normal, form is also normal, therefore sends ACK to sending side,
In sending side, this MAC-PDU#2 is not retransmitted, and the MAC-PDU#n not sent.
Thus, it is not only when receiving abnormal (CRC-NG), even receiving normal (CRC-OK) and it
When PDU is the PDU of incorrect form, in media access control sublayer, the most still carries out the request of retransmitting, be not to wait for from RLC
The repeating transmission of sublayer is asked and is carried out the request of retransmitting, and therefore shortens the time till the request of repeating transmission, improves system whole
The handling capacity of body.
It addition, herein using base station as sending side, be illustrated using portable telephone as receiving side, but portable
Telephone set be sending side, base station be that to receive the situation of side the most identical.
In the layer 1 of sending side, the MAC-PDU that temporary transient preservation first sends, in reception, this is first sent
During the NACK of MAC-PDU, retransmit the MAC-PDU of this preservation.Therefore, in the situation of the 1st embodiment
Under, for the layer 1 comprising sending side, relative to this layer 1 be receive side MAC-PDU determination processing
The mistake being before mixed into is effective, but to generating the process of MAC-PDU in sending side, maybe by this generation
When MAC-PDU is mixed into mistake during sending to the layer 1 of sending side in MAC-PDU, no matter retransmit how many times also
Of no avail.Therefore, in receiving side MAC-PDU determination processing, when retransmit by sending NACK
When the form of MAC-PDU is the incorrect form identical with the form of the MAC-PDU before repeating transmission, no longer carry out weight
Send out request.Thus, it is possible to do not repeat repeating transmission for no reason and the resource of communication be supplied to other PDU.
Then, the 2nd embodiment of the present invention is described.
Figure 10 is the block diagram of the structure in media access control sublayer in the 2nd embodiment representing the present invention, reception side.
The HARQ receiving side (being herein set to portable telephone) receives in control portion 22, as described above, to institute
The MAC-PDU received carries out CRC check, and according to normally receiving (CRC-OK) or receiving abnormal
(CRC-NG), respectively ACK or NACK is sent to sending side (base station).ACK/NACK now is
According to normally receiving (CRC-OK) or receiving abnormal (CRC-NG) sends, do not consider form normal/
Incorrect.
When HARQ reception control portion 22 is judged to normally receive (CRC-OK), this MAC-PDU is sent
To MAC-PDU determination processing unit 21.Now, receive control portion 22 from HARQ and would indicate that this MAC-PDU of reception
Moment time information, when utilizing MIMO be and comprise identify be received antenna mimo antenna letter
The reception information of breath sends to MAC-PDU determination processing unit 21 together.In MAC-PDU determination processing unit 21,
Investigate the form of the MAC-PDU of this reception, and judge it is normal format or incorrect form.When being normal format
Time, this MAC-PDU is decomposed into the MAC-SDU=RLC-PDU of each LCH, and sends to the RLC of each LCH
Entity.
On the other hand, when MAC-PDU determination processing unit 21 is judged to incorrect form, abandons this and be judged to not
The MAC-PDU of correct format, the repeating transmission with reception information (time information and mimo antenna information) please
Ask and sent to MAC and control information making process portion 31.Do not have although this MAC controls information making process portion 31
Express in Figure 5, but be responsible for the system of the MAC control information of the MAC-PDU sent to base station from portable telephone
Make, be the structural element in media access control sublayer.
Herein, can according to each moment need make various MAC and control information, but as present embodiment
Feature, makes in this MAC controls information making process portion 31 and embedded in from MAC-PDU determination processing unit 21
The MAC retransmitting request received controls information.Repeating transmission request in being embedded into this MAC control information comprises
There is reception information (time information and mimo antenna information).This MAC controls what information making process portion 31 generated
MAC controls the MAC-PDU generation process portion 11 that information is sent in same portable telephone.At MAC-PDU
In generation process portion 11, the RLC-PDU (MAC-SDU) received from RLC entity is carried out comprehensively, also simultaneously
Generate from MAC control information making process portion 31 receive MAC control information or, further generate addition of
The MAC-PDU of head.The MAC-PDU that this MAC-PDU generation process portion 11 generates is sent to HARQ and is sent
Control portion 12, and then send to base station via the layer 1 of this portable telephone.Received in base station side reference
The control information of MAC-PDU, is identified the situation having the request of repeating transmission in this control information, and then is asked by this repeating transmission
Attached reception information (time information and mimo antenna information) identifies the MAC-PDU that should retransmit, and lays equal stress on
Send out this MAC-PDU.Now, in base station side, the most do not preserve to the MAC-PDU received before ACK/NACK,
Again receive structure from the RLC of each LCH of this base station side and should retransmit the RLC-PDU needed for MAC-PDU
, and regenerate this MAC-PDU and retransmit (MAC-SDU).
Therefore, process or the general in the case of the 2nd embodiment, to the MAC-PDU in generation sending side
The mistake that the MAC-PDU of this generation is mixed into during sending to the layer 1 of this sending side can also carry out the possibility saved
Property high.Even if in the case of being this, it is identical with the MAC-PDU before repeating transmission retransmitting the MAC-PDU come
During incorrect form, the most no longer carry out the request of retransmitting.
Figure 11 is the figure representing the data flow in the embodiment shown in Figure 10.
Herein, these 2 MAC-PDU of MAC-PDU#D1 and MAC-PDU#D2 are illustrated from work as representative
Base station for sending side is sent to the situation as the portable telephone receiving side.In the media access control sublayer receiving side,
Carry out the transmission of CRC check, ACK/NACK, but herein with respect to this point, owing to (reference is schemed with prior art
3) identical, diagram is omitted at this.
In the media access control sublayer receiving side, time after CRC check for normally receiving (CRC-OK), then investigation should
The form of the MAC-PDU received, it is determined that this form is normal or incorrect.When being judged to normal, with existing skill
The situation of art or above-mentioned 1st embodiment is identical.
On the other hand, when this MAC-PDU received is judged as the PDU of incorrect form, this is abandoned
MAC-PDU, and the MAC-PDU this time constituted in the case of this identical portable telephone becomes sending side
MAC control information in embed the repeating transmission request that addition of reception information, and this MAC-PDU is (in Figure 11
MAC-PDU#U1) being sent to base station, wherein, this reception information comprises and represents the incorrect form of reception
The time information in the moment of MAC-PDU and for determining the mimo antenna letter of the antenna receiving this MAC-PDU
Breath.
In a base station, the MAC of this MAC-PDU#U1 received controls information and is analyzed, and recognize should
MAC-PDU#D1 is retransmitted, and is retransmitted to portable telephone by after this MAC-PDU#D1 regeneration.
In the case of 2nd embodiment, when incorrect form, in media access control sublayer, the most still carry out the request of retransmitting,
The handling capacity that raising system is overall.
Claims (3)
1. a radio communication device, this radio communication device uses the communication protocols carrying out transceiving data with data check position
View,
This radio communication device is characterised by,
Described radio communication device includes:
Acceptance division, it receives described data from the other radio communication device of transmission source；
Receive data judging portion, it is to the described data received, use described data check position to carry out data check,
Judge that described data are whether as mistake；
Receiving result sending part, it, when the described result judged is as mistake, abandons described data, by described data
The request of repeating transmission is sent to the described other radio communication device of described transmission source, in the described result judged as not being mistake
Mistake, be the described other radio communication device that the meaning normally received is sent to described transmission source by described data；
And
Form detection unit, its in the described result judged as when being not mistake, it is determined that the media interviews control in described data
Agreement MAC processed controls whether the identifier of information is outside scope, the described media interviews in being judged to described data
When control protocol MAC controls in the range of the identifier of information is, described data handover is given the process of regulation, described
The process of regulation is wireless spread-spectrum technology RLC；And
Retransmission requesting section, its described medium access control protocol MAC in described data controls the identifier of information
For, time outside described scope, abandoning described data, send to the described other radio communication device of described transmission source and control
Signal carries out the repeating transmission of described data.
Radio communication device the most according to claim 1, it is characterised in that
The described communication protocol of described radio communication device comprises medium access control protocol MAC, described data check
It it is cyclic redundancy check (CRC).
3. a radio communication control apparatus, this radio communication control apparatus is for radio communication device and controls communication,
Described radio communication device uses the communication protocol carrying out transceiving data with data check position, and includes acceptance division and receive knot
Really sending part, this radio communication control apparatus is characterised by,
Described radio communication control apparatus includes:
Receive data judging portion, its data to receiving, use described data check position to carry out data check, sentence
Whether fixed described data are mistake；
Receiving result and send instruction unit, it is when the described result judged is as mistake, abandons described data, and instruction is described
Receive result sending part so that it is the request of retransmitting of these data is sent to the other radio communication device of transmission source,
The described result judged, as when being not mistake, indicates described reception result sending part so that it is by described data for normally to connect
The meaning received is sent to the other radio communication device of described transmission source；
Form detection unit, its in the described result judged as when being not mistake, it is determined that the media interviews control in described data
Agreement MAC processed controls whether the identifier of information is outside scope, the described media interviews in being judged to described data
When control protocol MAC controls in the range of the identifier of information is, described data handover is given the process of regulation, described
The process of regulation is wireless spread-spectrum technology RLC；And
Retransmission requesting section, its described medium access control protocol MAC in described data controls the identifier of information
For, time outside described scope, abandoning described data, send to the described other radio communication device of described transmission source and control
Signal carries out the repeating transmission of described data.
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| CN201310044496.8A CN103152147B (en) | 2007-10-03 | 2007-10-03 | Radio communication device, radio communication control apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044496.8A CN103152147B (en) | 2007-10-03 | 2007-10-03 | Radio communication device, radio communication control apparatus |
| CN2007801009410A CN101816143B (en) | 2007-10-03 | 2007-10-03 | Radio communication device, radio communication control device, radio communication method, radio communication control method |
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| CN2007801009410A Division CN101816143B (en) | 2007-10-03 | 2007-10-03 | Radio communication device, radio communication control device, radio communication method, radio communication control method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1379557A (en) * | 2002-05-16 | 2002-11-13 | 武汉汉网高技术有限公司 | ARQ mechanism able to automatically request retransmissions for multiple rejections |
| CN1524364A (en) * | 2001-05-18 | 2004-08-25 | ��˹��ŵ�� | Hybrid automatic repeat request (HARQ) scheme with in-sequence delivery of packets |
| CN101034965A (en) * | 2006-03-07 | 2007-09-12 | 华为技术有限公司 | Transmission method of the protocol data unit in the high-speed downlink packet access and its system |
-
2007
- 2007-10-03 CN CN201310044496.8A patent/CN103152147B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1524364A (en) * | 2001-05-18 | 2004-08-25 | ��˹��ŵ�� | Hybrid automatic repeat request (HARQ) scheme with in-sequence delivery of packets |
| CN1379557A (en) * | 2002-05-16 | 2002-11-13 | 武汉汉网高技术有限公司 | ARQ mechanism able to automatically request retransmissions for multiple rejections |
| CN101034965A (en) * | 2006-03-07 | 2007-09-12 | 华为技术有限公司 | Transmission method of the protocol data unit in the high-speed downlink packet access and its system |
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