CN106161676A - The control circuit of wireless user equipment - Google Patents
The control circuit of wireless user equipment Download PDFInfo
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- CN106161676A CN106161676A CN201510140099.XA CN201510140099A CN106161676A CN 106161676 A CN106161676 A CN 106161676A CN 201510140099 A CN201510140099 A CN 201510140099A CN 106161676 A CN106161676 A CN 106161676A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The control circuit of a kind of wireless user equipment, comprises: PDCP layer computing circuit, reads PDCP service data unit for the PDCP service data unit relief area from the storage arrangement of wireless user equipment, and produces encryption data according to PDCP service data unit；Rlc layer computing circuit, for producing rlc protocol data cell according to encryption data；MAC layer computing circuit, for producing Medium Access Control (MAC) Protocol Data Unit according to rlc protocol data cell；And chnnel coding circuit, it is used for encoding Medium Access Control (MAC) Protocol Data Unit to produce upstream data.Encryption data is directly sent to rlc layer computing circuit by PDCP layer computing circuit, rlc layer computing circuit directly sends rlc protocol data cell to MAC layer computing circuit, and Medium Access Control (MAC) Protocol Data Unit is directly sent to chnnel coding circuit by MAC layer computing circuit, without such data are temporarily stored in any buffer circuit outside control circuit.
Description
Technical field
The relevant mobile communication system of the present invention, espespecially one is used for controlling wireless user equipment and communication station
Carry out the control circuit of radio communication.
Background technology
In traditional mobile communication system, wireless user equipment (wireless user equipment)
Data produced by each communications protocol layers computing circuit in control circuit, metropolitan area is first stored in control electricity
In buffer circuit outside road.Data produced by the computing circuit of upper strata are needed Deng to lower floor's computing circuit
Time, then from the buffer circuit outside control circuit, read required data.
Such as, when wireless user equipment needs to upload data to network-side, in conventional control circuit
Different communication protocol layer computing circuit, it is necessary to the buffer circuit outside control circuit is carried out writing repeatedly
Enter and read action, the upstream data (uplink data) needed for could producing.It is known that buffering
Circuit is to realize by various volatile memory mostly, but the action of write and reading memorizer all needs
Expend certain wait and access time.Therefore, the number of the control circuit of legacy wireless subscriber equipment
According to treatment efficiency (throughput performance), it is severely limited by and outside buffer circuit is carried out many
Time needed for secondary access, and it is difficult to obtain effectively lifting.
Summary of the invention
In view of this, the data the most effectively promoting the control circuit in wireless user equipment process effect
Can, actually industry has problem to be solved.
This specification provides the embodiment of the control circuit of a kind of wireless user equipment, is used for controlling this nothing
Line subscriber equipment and a communication station carry out radio communication, and wherein, it is wireless that this wireless user equipment comprises one
Telecommunication circuit and a storage arrangement.This control circuit comprises: a packet data convergence protocol fortune
Calculating circuit, the PDCP service data unit relief area being arranged to from this storage arrangement reads one
PDCP service data unit, and produce an encryption data according to this PDCP service data unit；One
Wireless chain control layer computing circuit, is arranged to produce rlc protocol data according to this encryption data
Unit；One media access control layer computing circuit, is arranged to produce according to this rlc protocol data cell
A raw Medium Access Control (MAC) Protocol Data Unit；And a chnnel coding circuit, it is arranged to encode this MAC association
View data cell is to produce a upstream data, and by this upstream data by this radio communication circuit transmission
To this communication station；Wherein, this PDCP layer computing circuit directly can send this encryption data to this
Rlc layer computing circuit, and this encryption data is not first temporarily stored in any buffering outside this control circuit
In circuit, this rlc layer computing circuit directly can send this rlc protocol data cell to this MAC
Layer computing circuit, and this rlc protocol data cell is not first temporarily stored in appointing outside this control circuit
In what buffer circuit, and this Medium Access Control (MAC) Protocol Data Unit can directly be passed by this MAC layer computing circuit
Give this chnnel coding circuit, and this Medium Access Control (MAC) Protocol Data Unit is not first temporarily stored in this control circuit
In outside any buffer circuit.
This specification separately provides the embodiment of the control circuit of a kind of wireless user equipment, is used for controlling this
Wireless user equipment and a communication station carry out radio communication, and wherein, this wireless user equipment comprises a nothing
Line telecommunication circuit and a storage arrangement.This control circuit comprises: a packet data convergence protocol
Computing circuit, is arranged in when receiving a repeat requests, the PDCP from this storage arrangement
A target data is read in service data unit relief area, and produces a target encryption according to this target data
Data；One wireless chain control layer computing circuit, is arranged to produce a mesh according to this target encryption data
Mark rlc protocol data cell；One media access control layer computing circuit, is arranged to according to this target
Rlc protocol data cell produces a Destination MAC protocol Data Unit；And a chnnel coding circuit,
It is arranged to encode this Destination MAC protocol Data Unit and retransmits data to produce one, and by this re-transmission number
It is sent to this communication station according to by this radio communication circuit；Wherein, this PDCP layer computing circuit can be straight
Connect and this target encryption data is sent to this rlc layer computing circuit, and not by this target encryption data
First being temporarily stored in any buffer circuit outside this control circuit, this rlc layer computing circuit can be directly
Send this target rlc protocol data cell to this MAC layer computing circuit, and not by this target
Rlc protocol data cell is first temporarily stored in any buffer circuit outside this control circuit, and should
MAC layer computing circuit directly can send this Destination MAC protocol Data Unit to this chnnel coding
Circuit, and this Destination MAC protocol Data Unit is not first temporarily stored in outside this control circuit any
In buffer circuit.
One of advantage of above-described embodiment, is that control circuit access external memory devices is greatly decreased
Number of times and the required access time, and then can effectively promote the data treatment efficiency of control circuit.
Another advantage of above-described embodiment, is owing to control circuit access external memory storage can be greatly decreased
The number of times of device, therefore the power consumption of wireless user equipment can be reduced.
Another advantage of above-described embodiment, is can to reduce control circuit for depositing in wireless user equipment
The demand of reservoir capacity, therefore the hardware cost of wireless user equipment can be reduced.
Other advantages of the present invention will be explained orally in more detail by the following description and accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the schematic diagram after the mobile communication system simplification of one embodiment of the invention.
Fig. 2 is the flow chart after the present invention produces an embodiment simplification of the method for upstream data.
Fig. 3 is the flow chart after the present invention produces an embodiment simplification of the method retransmitting data.
Wherein, description of reference numerals is as follows:
100 mobile communication system
110 communication stations
111 pass receipts circuit
113 storage devices
115 processor modules
120 wireless user equipments
121 first radio communication circuits
122 second radio communication circuits
123 storage arrangements
124 control circuits
125 PDCP layer computing circuit
126 rlc layer computing circuits
127 MAC layer computing circuits
128 chnnel coding circuit
129 PDCP service data unit relief areas
Detailed description of the invention
Below in conjunction with relevant drawings, embodiments of the invention are described.In the accompanying drawings, identical label
Represent same or similar element or method flow.
Fig. 1 is the schematic diagram after mobile communication system 100 simplification of one embodiment of the invention.Mobile logical
Communication system 100 comprises multiple communication station (communication station) and multiple wireless user sets
Standby.For convenience of description, Fig. 1 only illustrates representational communication station 110 and a wireless use
As a example by family equipment 120.As it is shown in figure 1, communication station 110 comprises a biography receives circuit 111, storage
Device 113 and a processor module 115.Wireless user equipment 120 comprises one first channel radio
Letter circuit 121,1 second radio communication circuit 122, storage arrangement 123 and one controls
Circuit 124, wherein, control circuit 124 comprises a PDCP (packet data
Convergence protocol, PDCP) layer computing circuit (hereinafter referred to as PDCP layer computing circuit) 125,
One wireless spread-spectrum technology (radio link control, RLC) layer computing circuit (hereinafter referred to as rlc layer fortune
Calculate circuit) 126, one medium education (medium access control, MAC) layer computing circuit (with
Lower abbreviation MAC layer computing circuit) 127 and a chnnel coding circuit (channel encoding
circuit)128.Other communication stations in mobile communication system 100 and the framework of wireless user equipment,
Also similar with aforesaid communication station 110 and wireless user equipment 120.
In communication station 110, pass receipts circuit 111 and be arranged to utilize one first wireless access technology (radio
Access technology, RAT) transmit signal.Storage device 113 is arranged to store communication station 110
Data needed for running.Processor module 115 is coupled to pass receives circuit 111 and storage device 113,
And be arranged to control to pass receive circuit 111 and the running of storage device 113.
In wireless user equipment 120, the first radio communication circuit 121 is arranged to utilize this first nothing
Line access technology communicates with the biography receipts circuit 111 of communication station 110.Second radio communication circuit
122 are arranged to utilize one second wireless access technology and one or many differing from this first wireless access technology
Individual access point (access point, do not illustrate in AP, Fig. 1) communicates.Storage arrangement 123 sets
It is set to store the number received by the first radio communication circuit 121 and the second radio communication circuit 122
According to, and a PDCP service data unit (service data unit, SDU) relief area 129 is provided.Control
Circuit 124 processed is coupled to first radio communication circuit the 121, second radio communication circuit 122 and deposits
Reservoir device 123.Control circuit 124 is arranged to access the data in storage arrangement 123, and controls
Make first radio communication circuit the 121, second radio communication circuit 122 and storage arrangement 123
Running.
In implementation, aforesaid biography receives circuit 111 and the first radio communication circuit 121 all can comprise utilization
One or more antenna that first wireless access technology and other devices communicate, one or more manipulator
/ demodulator, one or more analog signal processing circuit and/or one or more digital processing circuit.
Second radio communication circuit 122 can comprise and utilizes the second wireless access technology to lead to other devices
One or more antenna of letter, one or more manipulator/demodulator, one or more analog signal processing
Circuit and/or one or more digital processing circuit.Storage device 113 and storage arrangement 123
One or more volatile, nonvolatile memory circuitry all can be utilized to realize, such as, buffer,
Hard disk or flash memory device etc..Processor module 115 and control circuit 124 are the most available
One or more microprocessor, one or more network processing unit, one or more digital signal processing circuit,
And/or other suitably process circuit and realize.
In other words, the PDCP layer computing circuit 125 in control circuit 124, rlc layer computing circuit
126, MAC layer computing circuit 127 and chnnel coding circuit 128 can be respectively with different circuit
Element realizes, it is possible to be incorporated in single circuit chip.
For the sake of convenient illustrations, other elements in mobile communication system 100 and connection are closed and are not painted
Shown in Figure 1.
From preceding description, wireless user equipment 120 can with use the logical of the first wireless access technology
Letter station 110 communicates, and can communicate with the access point using the second wireless access technology.Real
On work, the first wireless access technology refers to one or more radio wide area network (wireless wide area
Network, WWAN) technology, wireless MAN (wireless metropolitan area network,
WMAN) technology or other be applicable to the wireless communication technology of bigger communication range, such as,
WiMAX, GSM, UMTS, HSPA, LTE, LTE-Advanced or other 3GPP
Wireless access technology.Second wireless access technology refers to one or more WLAN (wireless
Wide area network, WLAN) technology or other be applicable to communication range relatively the first wireless access
The wireless communication technology that technology is come little, such as, wireless the connecing of IEEE 802.11 series technique standard
Enter technology.
In order to illustrate, it is assumed hereinafter that the first wireless access technology refers to that various 3GPP is wireless to be connect
Enter the one of which of technology.In the case, communication station 110 can be with a 3GPP base station (base
Station, or referred to as BS) realize, such as node B (Node B) or enode b (Evolved
Node B, referred to as eNodeB or eNB).Additionally, communication station 110 also can connect with one or more
Access point is arranged at the place being substantially the same.
As it was previously stated, when wireless user equipment 120 needs to upload data to network-side, Traditional control
Different communication protocol layer computing circuit in circuit, it is necessary to the buffer circuit outside control circuit is carried out
Write repeatedly and read action, the upstream data (uplink data) needed for could producing.Therefore,
The data treatment efficiency (throughput performance) of conventional control circuit can be severely limited by externally
Portion's buffer circuit repeatedly accesses the required time, and is difficult to obtain effectively lifting.
In the mobile communication system 100 of the present invention, in order to effectively promote data treatment efficiency, wireless
Control circuit 124 in subscriber equipment 120 can reduce the number of times of access external buffer circuit as far as possible,
Access time needed for reducing.
The control circuit 124 below collocation Fig. 2 further illustrating the present invention uploads data to network
The method of end.
Fig. 2 is the flow chart after the present invention produces an embodiment simplification of upstream data.Stream at Fig. 2
In journey figure, it is positioned at the flow process in field belonging to a specific device, i.e. represents and carried out by this specific device
Flow process.Such as, it is labeled as the part in the field of " PDCP layer computing circuit ", represents PDCP
The flow process that layer computing circuit 125 is carried out；It is labeled as the portion in the field of " rlc layer computing circuit "
Point, represent the flow process that rlc layer computing circuit 126 is carried out；It is labeled as " MAC layer computing circuit "
Field in part, represent the flow process that MAC layer computing circuit 127 is carried out；It is labeled as " letter
Road coding circuit " field in part, represent the flow process that chnnel coding circuit 128 is carried out.Phase
Same Orchestration is also applied in follow-up flow chart.
When wireless user equipment 120 needs to upload data to network-side, in control circuit 124
PDCP layer computing circuit 125 can carry out flow process 202, services from the PDCP of storage arrangement 123
Data unit buffer district 129 reads a PDCP service data unit P_SDU.
In flow process 204, PDCP layer computing circuit 125 can be according to PDCP service data unit
P_SDU, produces an encryption data (ciphered data) P_PDU.Such as, PDCP layer computing circuit
125 can carry out an integrity protection (integrity to PDCP service data unit P_SDU
Protection) process and a cryptographic calculation (ciphering operation), to produce encryption data
P_PDU。
In flow process 206, encryption data P_PDU can directly be passed by PDCP layer computing circuit 125
Give rlc layer computing circuit 126, without encryption data P_PDU being first temporarily stored in control circuit
In any buffer circuit (such as, storage arrangement 123) outside 124.
In flow process 208, rlc layer computing circuit 126 can be according to PDCP layer computing circuit 125
Encryption data P_PDU transmitted, produces rlc protocol data cell R_PDU.
In flow process 210, rlc layer computing circuit 126 can be directly by rlc protocol data cell
R_PDU sends MAC layer computing circuit 127 to, without by rlc protocol data cell R_PDU
First it is temporarily stored in any buffer circuit (such as, storage arrangement 123) outside control circuit 124.
In flow process 212, MAC layer computing circuit 127 can pass according to rlc layer computing circuit 126
Rlc protocol data cell R_PDU come, produces a Medium Access Control (MAC) Protocol Data Unit M_PDU.
In flow process 214, MAC layer computing circuit 127 can be directly by Medium Access Control (MAC) Protocol Data Unit
M_PDU sends chnnel coding circuit 128 to, without by Medium Access Control (MAC) Protocol Data Unit M_PDU
First it is temporarily stored in any buffer circuit (such as, storage arrangement 123) outside control circuit 124.
In flow process 216, chnnel coding circuit 128 can encode MAC layer computing circuit 127 and transmit
Medium Access Control (MAC) Protocol Data Unit M_PDU, to produce a upstream data UL_DATA, and by up
Data UL_DATA are sent to be positioned at that time wireless user equipment by the first radio communication circuit 121
Communication station 110 in the communication range of 120.
From preceding description, the encryption data that PDCP layer computing circuit 125 can't will produce
P_PDU is temporarily stored in any buffer circuit outside control circuit 124, rlc layer computing circuit 126
Rlc protocol data cell R_PDU of generation can't be temporarily stored in appointing outside control circuit 124
In what buffer circuit, and the MAC protocol number that MAC layer computing circuit 127 also will not will produce
It is temporarily stored in any buffer circuit outside control circuit 124 according to unit M_PDU.
On the contrary, encryption data P_PDU produced can directly be passed by PDCP layer computing circuit 125
Give rlc layer computing circuit 126, the RLC association that rlc layer computing circuit 126 can directly will produce
View data cell R_PDU sends MAC layer computing circuit 127 to, and MAC layer computing circuit 127
Then directly can send the Medium Access Control (MAC) Protocol Data Unit M_PDU of generation to chnnel coding circuit 128
Encode.
Therefore, during producing aforementioned upstream data UL_DATA, control circuit 124 only can
From the PDCP service data unit relief area 129 of storage arrangement 123, read PDCP service number
According to unit P_SDU, the action that the most just storage arrangement 123 will not be write or reads.
It is clear that use the upstream data production method of Fig. 2 embodiment, control circuit can be greatly decreased
The number of times of 124 access external memory devices 123 and required access time, and then can effectively promote control
The data treatment efficiency of circuit 124 processed.
The control circuit 124 that collocation Fig. 3 further illustrates the present invention below retransmits data to network
The method of end.
Fig. 3 is after the present invention produces the embodiment simplification retransmitting data (retransmission data)
Flow chart.
As it is shown on figure 3, when the PDCP layer computing circuit 125 in control circuit 124 receives a weight
When passing request (retransmission request), PDCP layer computing circuit 125 can carry out flow process 302,
Read and number to be retransmitted from the PDCP service data unit relief area 129 of storage arrangement 123
According to corresponding target data T_DATA.
In flow process 304, PDCP layer computing circuit 125 can produce according to target data T_DATA
A raw target encryption data (target ciphered data) TP_PDU.Such as, PDCP layer computing circuit
125 can carry out an integrity protection to target data T_DATA processes and a cryptographic calculation, to produce
Target encryption data TP_PDU.
In flow process 306, PDCP layer computing circuit 125 can be directly by target encryption data TP_PDU
Send rlc layer computing circuit 126 to, without target encryption data TP_PDU being first temporarily stored in
In any buffer circuit (such as, storage arrangement 123) outside control circuit 124.
In flow process 308, rlc layer computing circuit 126 can be according to PDCP layer computing circuit 125
Target encryption data TP_PDU transmitted, produces target rlc protocol data cell TR_PDU.
In flow process 310, rlc layer computing circuit 126 can be directly by target rlc protocol data sheet
Unit TR_PDU sends MAC layer computing circuit 127 to, without by target rlc protocol data sheet
Unit TR_PDU is first temporarily stored in any buffer circuit (such as, the memory device outside control circuit 124
Put 123) in.
In flow process 312, MAC layer computing circuit 127 can pass according to rlc layer computing circuit 126
Target rlc protocol data cell TR_PDU come, produces a Destination MAC protocol Data Unit
TM_PDU。
In flow process 314, MAC layer computing circuit 127 can be directly by Destination MAC protocol data
Unit TM_PDU sends chnnel coding circuit 128 to, without by Destination MAC protocol data list
Unit TM_PDU is first temporarily stored in any buffer circuit (such as, the memory device outside control circuit 124
Put 123) in.
In flow process 316, chnnel coding circuit 128 can encode MAC layer computing circuit 127 and transmit
Destination MAC protocol Data Unit TM_PDU, to produce re-transmission data RT_DATA, and
It is sent to be positioned at wireless use at that time by the first radio communication circuit 121 by re-transmission data RT_DATA
Communication station 110 in the communication range of family equipment 120.
From preceding description, the target encryption number that PDCP layer computing circuit 125 can't will produce
It is temporarily stored in any buffer circuit outside control circuit 124 according to TP_PDU, rlc layer computing electricity
Target rlc protocol data cell TR_PDU of generation can't be temporarily stored in control circuit by road 126
In any buffer circuit outside 124, and MAC layer computing circuit 127 also will not be by generation
Destination MAC protocol Data Unit TM_PDU is temporarily stored in any buffering electricity outside control circuit 124
Lu Zhong.
On the contrary, the target encryption data that PDCP layer computing circuit 125 can directly will produce
TP_PDU sends rlc layer computing circuit 126 to, and rlc layer computing circuit 126 can directly will produce
Raw target rlc protocol data cell TR_PDU sends MAC layer computing circuit 127 to, and
The Destination MAC protocol Data Unit TM_PDU that MAC layer computing circuit 127 then can directly will produce
Send chnnel coding circuit 128 to encode.
Therefore, during producing aforementioned retransmissions data RT_DATA, control circuit 124 only can
Read and number to be retransmitted from the PDCP service data unit relief area 129 of storage arrangement 123
According to corresponding target data T_DATA, the most just storage arrangement 123 will not be write or
The action read.It is clear that use the re-transmission data creating method of Fig. 3 embodiment, can significantly subtract
Few control circuit 124 accesses number of times and required access time, the Jin Erneng of external memory devices 123
Effectively promote the data treatment efficiency of control circuit 124.
In one embodiment, aforesaid target data T_DATA is that a complete PDCP services number
According to unit.In the case, PDCP layer computing circuit 125, can be right in aforesaid flow process 304
This PDCP service data unit carries out an integrity protection process and/or a cryptographic calculation, to produce
Target encryption data TP_PDU.
In another embodiment, aforesaid target data T_DATA is a single PDCP service
A data slot (segment) to be retransmitted in data cell, rather than this single PDCP services data sheet
The complete content of unit.In the case, PDCP layer computing circuit 125 in aforesaid flow process 304,
Only can produce target encryption data TP_PDU according to this data slot, the computing needed for reducing
Amount.
From preceding description, use the upstream data production method of Fig. 2 embodiment, or Fig. 3
The re-transmission data creating method of embodiment, all can be greatly decreased control circuit 124 and access external memory storage
The number of times of device 123 and required access time, and then can effectively promote control circuit 124 and wireless use
The data treatment efficiency of family equipment 120.
On the other hand, external memory devices 123 is accessed owing to control circuit 124 can be greatly decreased
Number of times, therefore use the upstream data production method of Fig. 2 embodiment or the re-transmission number of Fig. 3 embodiment
According to production method, the power consumption of wireless user equipment 120 also can be reduced.
Furthermore, owing to the foregoing structure of the present invention is effectively reduced control circuit 124 for wireless user
The demand of the memory span in equipment 120, therefore the hardware that also can reduce wireless user equipment 120 becomes
This.
Some vocabulary is employed to censure specific element in description and claim.But, institute
Belong to those of ordinary skill in technical field it is to be appreciated that same element may come with different nouns
Address.Description and claim not in the way of the difference of title is as distinguishing element, but with
Element difference functionally is come as the benchmark distinguished.Mentioned by description and claim
" comprising " is open term, therefore should be construed to " comprise but be not limited to ".It addition, " coupling
Connect " comprise at this and any directly and indirectly connect means.Therefore, if the first element coupling described in literary composition
Be connected to the second element, then represent the first element can by being electrically connected with or being wirelessly transferred, optical delivery etc.
Signal connected mode and be attached directly to the second element, or by between other elements or connection means
Ground connection is electrically or signal is connected to this second element.
Used herein " and/or " describing mode, comprise cited one of them or multiple
The combination in any of project.It addition, unless description specializes, the term of the most any odd number lattice
Comprise the connotation of plural number lattice the most simultaneously.
These are only presently preferred embodiments of the present invention, all impartial changes done according to the claims in the present invention
With modification, the covering scope of the present invention all should be belonged to.
Claims (3)
1. a control circuit for wireless user equipment, is used for controlling this wireless user equipment and a communication
Station carries out radio communication, and this wireless user equipment comprises a radio communication circuit and a memory device
Putting, this control circuit comprises:
One packet data convergence protocol computing circuit, is arranged to from this storage arrangement
A PDCP service data unit is read in PDCP service data unit relief area, and according to this PDCP
Service data unit produces an encryption data；
One wireless chain control layer computing circuit, is arranged to produce a RLC association according to this encryption data
View data cell；
One media access control layer computing circuit, is arranged to produce according to this rlc protocol data cell
One Medium Access Control (MAC) Protocol Data Unit；And
One chnnel coding circuit, is arranged to encode this Medium Access Control (MAC) Protocol Data Unit to produce line number on
According to, and this upstream data is sent to this communication station by this radio communication circuit；
Wherein, this encryption data directly can be sent to this rlc layer fortune by this PDCP layer computing circuit
Calculate circuit, and this encryption data be not first temporarily stored in any buffer circuit outside this control circuit,
This rlc layer computing circuit directly can send this rlc protocol data cell to this MAC layer computing
Circuit, and this rlc protocol data cell is not first temporarily stored in any buffering outside this control circuit
In circuit, and this MAC layer computing circuit directly can send this Medium Access Control (MAC) Protocol Data Unit to this
Chnnel coding circuit, and this Medium Access Control (MAC) Protocol Data Unit is not first temporarily stored in outside this control circuit
In any buffer circuit.
2. a control circuit for wireless user equipment, is used for controlling this wireless user equipment and a communication
Station carries out radio communication, and this wireless user equipment comprises a radio communication circuit and a memory device
Putting, this control circuit comprises:
One packet data convergence protocol computing circuit, is arranged in when receiving a repeat requests, from
A target data, and foundation are read in a PDCP service data unit relief area in this storage arrangement
This target data produces a target encryption data；
One wireless chain control layer (rlc layer) computing circuit, is arranged to produce according to this target encryption data
A raw target rlc protocol data cell；
One media access control layer computing circuit, is arranged to according to this target rlc protocol data cell
Produce a Destination MAC protocol Data Unit；And
One chnnel coding circuit, is arranged to encode this Destination MAC protocol Data Unit to produce a weight
Pass data, and these re-transmission data are sent to this communication station by this radio communication circuit；
Wherein, this PDCP layer computing circuit directly can send this target encryption data to this RLC
Layer computing circuit, and this target encryption data is not first temporarily stored in any buffering outside this control circuit
In circuit, this rlc layer computing circuit directly can send this target rlc protocol data cell to this
MAC layer computing circuit, and this target rlc protocol data cell is not first temporarily stored in this control circuit
In outside any buffer circuit, and this Destination MAC can directly be assisted by this MAC layer computing circuit
View data cell sends this chnnel coding circuit to, and that this Destination MAC protocol Data Unit is not first
It is temporarily stored in any buffer circuit outside this control circuit.
3. control circuit as claimed in claim 2, wherein, this target data is a single PDCP
One data slot of service data unit, rather than this single PDCP service data unit is complete interior
Hold.
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