CN101018101A - Data transmission method and system and data transmission and receiving device - Google Patents
Data transmission method and system and data transmission and receiving device Download PDFInfo
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Abstract
The provided data transmission method comprises: the transmitting side simultaneous sends lots data packages to the receiving side on physical layer; the latter simultaneous demodulates and checks every package, sends right package to the MAC layer, and waits for re-transmitted data. This invention reduces time delay, and improves transmission efficiency.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to a kind of data transmission method, system and device.
Background technology
WCDMA (Wideband Code Division Multiple Access, the Wideband Code Division Multiple Access (WCDMA) access) technology protocol version the earliest is Release99, in this version, the carrying of uplink and downlink business all is based on dedicated channel, and the message transmission rate of uplink and downlink all can reach 384Kbps.
Because the user is more and more higher to the demand of message transmission rate, the WCDMA standard formulation is organized and has been released down high-speed data bag access technology and up-high speed data packet access technique subsequently successively, these two kinds of access technologies can provide the peak rate up to 14.4Mbps and 5.76Mbps respectively, and spectrum efficiency has also obtained very big raising.
HSDPA (High Speed Downlink Packet Access, the high-speed downstream bag inserts) as high-speed down link data packet access technique, be primarily characterized in that and introduced link circuit self-adapting and fast dispatch and HARQ (Hybrid Automatic Repeat Request, physical layer mixed self-adapting repeat requests) technology such as, purpose is that the base station can follow the tracks of current channel variance situation fast, grasps the distribution condition of resource; Introduce the HARQ technology and can retransmit the partial data of makeing mistakes fast, that is to say, the user and the data block size that are scheduled for determined in the scheduling meeting of MAC (Medium AccessControl, medium access control) layer according to parameters such as channel conditions.
The HSDPA technology is in the version that was incorporated into 3GPP Release5 in 2002, the main feature of HSDPA system comprises: the short frame that adopts 2ms, adopt HARQ and AMC (Adaptive Modulationand Coding in physical layer, Adaptive Modulation and Coding) technology, introduce 16QAM (Quadrature AmplitudeModulation, the hexadecimal quadrature amplitude modulation(PAM)) high order modulation improves the availability of frequency spectrum, realizes the shared channel scheduling of each UE (subscriber equipment) by sign indicating number branch and time-division.HARQ technology has wherein adopted SAW (Stop-And-Wait, stop etc.) agreement, require the base station after sending data to UE, need obtain UE feeding back ACK/NACK (correct answer signal/wrong responses signal), the base station can know by ACK/NACK whether UE correctly receives data, thereby determine and still to send new data to the UE data retransmission to UE.HSDPA has increased by two physical channels descending, and one is HS-SCCH (High SpeedShared Control Channel, High-Speed Shared Control Channel), is used to carry the required signaling of demodulation companion data channel HS-PDSCH; Another is HS-PDSCH (High Speed Physical DownlinkShared Channel, a high-speed physical downlink shared channel (HS-PDSCH)), is used to carry user's data information.HSDPA is at a up physical channel HS-DPCCH (the high speed-dedicated physical controlchannel that increased, High-Speed Dedicated Physical Control Channel), whether the downlink data frame HS-PDSCH that this channel is used to carry user feedback receives correct information is ACK/NACK, perhaps is used to carry CQI (channel quality indication (CQI) information).Simultaneously, the HSDPA system has also increased MAC-hs (Medium AccessControl-high speed at the MAC layer, the access control of high speed shared channels medium) Flow Control of HSDPA is supported in the sublayer, carrying out fast dispatch/priority management, HARQ and TFRI (Transport Format and ResourceIndicator, transformat and resource indication) selects.
After introducing the HSDPA technology, the process of carrying out transfer of data between network side and the UE is as follows:
Network side MAC layer is at first determined next TTI (English by parameters such as CQI and data priorities, Transmission Time Interval) UE that will be scheduled for and corresponding M AC PDU (Packet DataUnit, Packet Data Unit) data, and select control information such as suitable process number, code modulation mode, redundancy versions and a UE ID for this PDU data and notify physical layer.Physical layer adds this MACPDU CRC (cyclic redundancy check (CRC)) check code and carries out modulation treatment, by the HS-SCCH channel corresponding UE is informed in these control informations then, utilizes the HS-PDSCH channel to send this MAC PDU to UE then.UE carries out demodulate reception according to the information on the HS-SCCH to MAC PDU, and whether the data that receive by CRC check are correct, passes through the HS-DPCCH channel then to network side physical layer feedback ACK/NACK.
In demanding system to peak rate, such as OFDM (Orthogonal Frequency DivisionMultiplexing, OFDM) system, in order to reach the high-speed transfer of single UE, will be for it distribute a plurality of Resource Block in a TTI, a part of data of a MAC PDU of each Resource Block transmission.Because each Resource Block all might be made mistakes in the process of transmission, and each MAC PDU need do the as a whole demodulation verification reception of carrying out, therefore if the data of a Resource Block transmission are made mistakes and just may be caused whole re-transmissions of this MAC PDU, and resource block number to have more wrong possibility more just big more.Therefore adopt the technical scheme of above-mentioned transfer of data, the receiving terminal physical layer just can be carried out the demodulation checking treatment after needing the data with all Resource Block transmission collect, thus the receiving terminal physical layer that data are carried out demodulation checking treatment time delay is very long.
The technical scheme that also has a kind of transfer of data at present.Detailed process is: network side MAC layer is given physical layer with MACPDU, and physical layer is split into a plurality of sub-PDU after receiving this MAC PDU, and is respectively each sub-PDU selection control information; Then the control information of each sub-PDU is informed corresponding UE, and send UE simultaneously to after each sub-PDU added check code and carry out modulation treatment.The UE physical layer is carried out the demodulation checking treatment to each sub-PDU respectively simultaneously according to the control information of receiving, if all sub-PDU are correct, the UE physical layer is reduced into a MAC PDU with all sub-PDU and gives MAC layer, and to network side physical layer feedback ack signal; If one of them or several sub-PDU mistakes, UE need wait for that network side retransmits all sub-PDU.
Because the UE physical layer can be carried out the demodulation checking treatment to each sub-PDU respectively simultaneously, therefore can reduce the receiving terminal physical layer is carried out the demodulation checking treatment to data time delay.But, so strengthened the time delay of receiving terminal MAC layered data processing because when one or several sub-PDU mistake, the UE physical layer can not be given correct sub-PDU the processing of MAC layer.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide a kind of data transmission method, system and device, not only can reduce the data demodulates checking treatment time delay of receiving terminal, and can reduce the time delay of receiving terminal MAC layered data processing.
For achieving the above object, the invention provides a kind of data transmission method, comprising:
Transmitting terminal sends to receiving terminal with a plurality of data cells simultaneously, the receiving terminal physical layer is carried out the demodulation checking treatment to each data cell simultaneously, and give receiving terminal media access control MAC layer with correct data cell, wait for that simultaneously transmitting terminal retransmits wrong data cell.
Described transmitting terminal comprises: network side or subscriber equipment.
The system that this method is suitable for comprises: code division multiple access inserts cdma system or ofdm system.
A plurality of data cells that described transmitting terminal sends to receiving terminal comprise: transmitting terminal MAC layer is submitted to a plurality of MAC Packet Data Unit PDU of transmitting terminal physical layer, perhaps, the transmitting terminal physical layer is submitted to a plurality of sub-PDU that its a MAC PDU splits into transmitting terminal MAC layer.
When described a plurality of MAC PDU are transmitting terminal MAC layer when being submitted to a plurality of MACPDU of transmitting terminal physical layer, this method comprises the steps:
A, transmitting terminal MAC layer are given the transmitting terminal physical layer with a plurality of MAC PDU data simultaneously, and give the transmitting terminal physical layer with the control information of each MAC PDU data simultaneously;
B, transmitting terminal physical layer send described control information to the receiving terminal physical layer simultaneously, and respectively described MAC PDU are added check code according to described control information and also carry out respectively sending receiving terminal simultaneously to after the modulation treatment;
C, receiving terminal physical layer are carried out the demodulation checking treatment to its corresponding MACPDU simultaneously according to the control information of each MAC PDU, and give receiving terminal MAC layer with correct MAC PDU, wait for that simultaneously transmitting terminal retransmits wrong MAC PDU.
Described step a specifically comprises:
A1, transmitting terminal MAC layer determine a plurality of MAC PDU data that will transmit according to customer service characteristics, channel conditions and dispatching algorithm parameter, and be each MAC PDU data selection corresponding control information;
A2, transmitting terminal MAC layer are given the local terminal physical layer after each MAC PDU data encapsulation is become MAC PDU, and simultaneously the control information of each MAC PDU are notified to the transmitting terminal physical layer.
Described step b specifically comprises:
The transmitting terminal physical layer sends described control information to the receiving terminal physical layer by High-Speed Shared Control Channel simultaneously; And respectively described MAC PDU being added check code according to described control information also carries out respectively sending receiving terminal to by high-speed physical downlink shared channel (HS-PDSCH) simultaneously after the modulation treatment.
The present invention also provides a kind of data sending device, and this device comprises:
Send the data determination module, be used for definite a plurality of MAC PDU data that will transmit, and be that each MAC PDU data is selected corresponding control information;
Data transmission blocks is used for sending described control information to receiving terminal simultaneously, and respectively described MAC PDU is added check code according to described control information and also carry out respectively sending receiving terminal simultaneously to after the modulation treatment;
Data feedback result processing module is used for the Data Receiving feedback result of receiving terminal is carried out demodulation process and result is notified to described transmission data determination module.
The present invention also provides a kind of data sink, and this device comprises:
Data demodulates checking treatment module is used for simultaneously each data cell that receives being carried out the demodulation checking treatment, notifies described data delivery module when having correct data cell, waits for that simultaneously transmitting terminal retransmits wrong data cell;
The data delivery module is used for giving MAC layer with correct data cell after the notice that receives described data demodulates checking treatment module.
The present invention also provides a kind of data transmission system, and this system comprises:
Data transmission blocks is arranged at transmitting terminal, is used for simultaneously a plurality of data cells being sent to receiving terminal;
Data demodulates checking treatment module is arranged at receiving terminal, is used for simultaneously each data cell that receives being carried out the demodulation checking treatment, notifies described data delivery module when having correct data cell, waits for that simultaneously transmitting terminal retransmits wrong data cell;
The data delivery module is arranged at receiving terminal, is used for giving MAC layer with correct data cell after the notice that receives described data demodulates checking treatment module.
Described data transmission blocks comprises:
Send data and determine submodule, be arranged at transmitting terminal MAC layer, be used for definite a plurality of MAC PDU data that will transmit, and be that each MAC PDU data is selected corresponding control information; Give the transmitting terminal physical layer with described a plurality of MAC PDU and corresponding control information then;
Data send submodule, be arranged at the transmitting terminal physical layer, be used for sending described control information to the receiving terminal physical layer simultaneously, and respectively described MAC PDU added check code according to described control information and also carry out respectively sending the receiving terminal physical layer simultaneously to after the modulation treatment.
This system also comprises:
Data feedback result processing module is arranged at transmitting terminal, is used for the Data Receiving feedback result of receiving terminal is carried out demodulation process and result is notified to described data transmission blocks.
Description by technique scheme as can be known, technical scheme provided by the invention has following advantage:
1, transmitting terminal can send a plurality of data cells to receiving terminal simultaneously, and the receiving terminal physical layer can be carried out the demodulation verification to each data cell simultaneously and be received, and therefore can reduce the data demodulates checking treatment time delay of receiving terminal physical layer;
2, the receiving terminal physical layer is given MAC layer with correct data cell, and wait for that transmitting terminal retransmits wrong data cell, receiving terminal MAC layer can utilize the time of waiting for data re-transmission to hand over the data of coming to handle to physical layer, therefore can reduce the data processing time delay of receiving terminal MAC layer.
Description of drawings
Fig. 1 is the flow chart of the data transmission method that provides of the embodiment of the invention;
Fig. 2 is the structural representation of the data transmission system that provides of the embodiment of the invention.
Embodiment
Core of the present invention is: transmitting terminal sends to receiving terminal with a plurality of data cells simultaneously, receiving terminal carries out the demodulation checking treatment to each data cell simultaneously, and give receiving terminal MAC layer with correct data cell, wait for that simultaneously transmitting terminal retransmits wrong data cell.
Wherein, a plurality of data cells that transmitting terminal sends to receiving terminal comprise: transmitting terminal MAC layer is submitted to a plurality of MAC PDU of transmitting terminal physical layer, and perhaps, the transmitting terminal physical layer is submitted to a plurality of sub-PDU that its a MAC PDU splits into transmitting terminal MAC layer.
Technical scheme provided by the invention is applicable to the transmission of upstream data and downlink data; Transmitting terminal is UE when carrying out transmitting uplink data, and receiving terminal is a network side; Transmitting terminal is a network side when carrying out downlink data transmission, and receiving terminal is UE.
For the present invention there being further understanding, method provided by the invention is described in detail below in conjunction with accompanying drawing.
The a plurality of MAC PDU that send to receiving terminal with transmitting terminal are that a plurality of MAC PDU and UE that transmitting terminal MAC layer is submitted to the local terminal physical layer are that receiving terminal is that example is elaborated below, and concrete data transmission procedure comprises the steps: as shown in Figure 1
Step 11: network side MAC layer is determined the UE that is scheduled for.
Network side MAC layer is determined the UE that next TTI will be scheduled for according to parameters such as CQI and data priorities.
Step 12: network side MAC layer is the resource of this UE distribute data transmission, determines a plurality of MAC PDU data and the corresponding control information that will send.Specifically comprise:
Network side MAC layer distributes the resource of carrying out transfer of data according to customer service characteristics, channel conditions and certain parameters such as dispatching algorithm for this UE;
Network side MAC layer determines to send to a plurality of MAC PDU data of this UE according to customer service characteristics, channel conditions and certain parameters such as dispatching algorithm, and is that each MAC PDU data is selected corresponding control information.
Control information comprises: process number, code modulation mode, redundancy versions and UE ID information such as (signs).
Wherein, the process number difference of each MAC PDU data;
The code modulation mode of each MAC PDU data can be the same or different; Code modulation mode comprises modes such as QPSK (Quadrature (Quaternary) Phase Shift Keying, Quadrature Phase Shift Keying), 16QAM.
Step 13: a plurality of MAC PDU data that network side MAC layer will be determined are given the transmitting terminal physical layer, and corresponding control information is notified to the local terminal physical layer.
After becoming MAC PDU, each MAC PDU data encapsulation that network side MAC layer will be determined gives the transmitting terminal physical layer; And the control information of each MAC PDU data is notified to the transmitting terminal physical layer.
Step 14: the network side physical layer sends the control information that receives the physical layer of UE to simultaneously, and a plurality of MAC PDU that receive are added the CRC check sign indicating number respectively, and carries out sending to simultaneously after the modulation treatment physical layer of UE.
In cdma system, the control information of a plurality of MAC PDU that the network side physical layer will receive can send the UE physical layer to by the HS-SCCH channel simultaneously.
After the network side physical layer receives MAC PDU, respectively each MAC PDU is added the CRC check sign indicating number, and carry out sending to simultaneously after the modulation treatment physical layer of UE according to the control information of each MAC PDU.
In cdma system, the network side physical layer can send a plurality of MACPDU to the UE physical layer simultaneously by the HS-PDSCH channel.
Step 15:UE physical layer is carried out the demodulation checking treatment to corresponding M ACPDU simultaneously according to the control information of each MAC PDU, and gives receiving terminal MAC layer with correct MAC PDU, waits for that simultaneously transmitting terminal retransmits wrong MAC PDU.
The UE physical layer can be at each MAC PDU to transmitting terminal feedback data proper messages whether.
Like this, network side just can determine the distribution of resource next time according to the feedback of UE and other parameters and in conjunction with dispatching algorithm, prepares the transmission of data next time.
Technical scheme provided by the invention is equally applicable to UE as data sending terminal, the network side situation as data receiver.When UE as data sending terminal, network side during as data receiver, at first the network side by the UE correspondence carries out resource allocation and resource allocation information is notified to UE, UE sends MAC PDU to network side then.Concrete data transmission procedure and above-mentioned data transmission procedure are basic identical.
The technical scheme of transfer of data provided by the invention is applicable to cdma system, ofdm system, or the like.
The present invention also provides a kind of data sending device, and this device comprises: send data determination module, data transmission blocks and data re-transmission module, wherein:
Send the data determination module, be arranged at the MAC layer, its function is: definite a plurality of MAC PDU data that will transmit, and be that each MAC PDU data is selected corresponding control information; A plurality of MAC PDU and the corresponding control information that to determine are then given physical layer;
Data transmission blocks is arranged at physical layer, and its function is: send control information to the receiving terminal physical layer simultaneously, and respectively each MAC PDU is added check code according to control information and also carry out respectively sending the receiving terminal physical layer simultaneously to after the modulation treatment.
Data feedback result processing module, its function is: the Data Receiving feedback result of receiving terminal is carried out demodulation process and result is notified to transmission data determination module.
The present invention also provides a kind of data sink, and this device comprises data demodulates checking treatment module and data delivery module, wherein:
Data demodulates checking treatment module, be arranged at physical layer, its function is: simultaneously each data cell that receives is carried out the demodulation checking treatment, notification data is submitted module when having correct data cell, waits for that simultaneously transmitting terminal retransmits wrong data cell;
The data delivery module is arranged at physical layer, and its function is: give MAC layer with correct data cell after the notice that receives data demodulates checking treatment module
The present invention also provides a kind of data transmission system, and as shown in Figure 2, this system comprises: data transmission blocks and data reception module.Wherein,
Data transmission blocks is arranged at transmitting terminal, and its function is: simultaneously a plurality of data cells are sent to receiving terminal;
Data demodulates checking treatment module, be arranged at receiving terminal, its function is: simultaneously each data cell that receives is carried out the demodulation checking treatment, notification data is submitted module when having correct data cell, waits for that simultaneously transmitting terminal retransmits wrong data cell;
The data delivery module is arranged at receiving terminal, and its function is: give MAC layer with correct data cell after the notice that receives data demodulates checking treatment module.
The function of data transmission blocks can determine that submodule and data send submodule and realize by sending data, wherein:
Send data and determine that submodule is arranged at transmitting terminal MAC layer, its function is: definite a plurality of MAC PDU data that will transmit, and be that each MAC PDU data is selected corresponding control information; A plurality of MAC PDU and the corresponding control information that to determine are then given the transmitting terminal physical layer;
Data send submodule and are arranged at the transmitting terminal physical layer, its function is: send the control information of receiving to the receiving terminal physical layer simultaneously, and respectively each MAC PDU is added check code according to the control information of receiving and also carry out respectively sending the receiving terminal physical layer simultaneously to after the modulation treatment.
Said system can also comprise data feedback result processing module, is arranged at transmitting terminal, and its function is:
The Data Receiving feedback result of receiving terminal is carried out demodulation process and result is notified to data transmission blocks.
In sum, in technical scheme provided by the invention, transmitting terminal can send a plurality of data cells to receiving terminal simultaneously, and the receiving terminal physical layer can be carried out the demodulation checking treatment to each data cell simultaneously, therefore can reduce the data demodulates checking treatment time delay of receiving terminal physical layer; The receiving terminal physical layer is given MAC layer with correct data cell, and wait for that transmitting terminal retransmits wrong data cell, receiving terminal MAC layer can utilize the time of waiting for data re-transmission to hand over the data of coming to handle to physical layer, therefore can reduce the data processing time delay of receiving terminal MAC layer.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, and the claim of application documents of the present invention comprises these distortion and variation.
Claims (10)
1, a kind of data transmission method is characterized in that, comprising:
Transmitting terminal sends to receiving terminal with a plurality of data cells simultaneously, the receiving terminal physical layer is carried out the demodulation checking treatment to each data cell simultaneously, and give receiving terminal media access control MAC layer with correct data cell, wait for that simultaneously transmitting terminal retransmits wrong data cell.
2, the method for claim 1, it is characterized in that, a plurality of data cells that described transmitting terminal sends to receiving terminal comprise: transmitting terminal MAC layer is submitted to a plurality of MAC Packet Data Unit PDU of transmitting terminal physical layer, perhaps, the transmitting terminal physical layer is submitted to a plurality of sub-PDU that its a MAC PDU splits into transmitting terminal MAC layer.
3, method as claimed in claim 2 is characterized in that, when described a plurality of MAC PDU are transmitting terminal MAC layer when being submitted to a plurality of MAC PDU of transmitting terminal physical layer, this method comprises the steps:
A, transmitting terminal MAC layer are given the transmitting terminal physical layer with a plurality of MAC PDU data simultaneously, and give the transmitting terminal physical layer with the control information of each MAC PDU data simultaneously;
B, transmitting terminal physical layer send described control information to the receiving terminal physical layer simultaneously, and respectively described MAC PDU are added check code according to described control information and also carry out respectively sending receiving terminal simultaneously to after the modulation treatment;
C, receiving terminal physical layer are carried out the demodulation checking treatment to its corresponding MACPDU simultaneously according to the control information of each MAC PDU, and give receiving terminal MAC layer with correct MAC PDU, wait for that simultaneously transmitting terminal retransmits wrong MAC PDU.
4, method as claimed in claim 3 is characterized in that, described step a specifically comprises:
A1, transmitting terminal MAC layer determine a plurality of MAC PDU data that will transmit according to customer service characteristics, channel conditions and dispatching algorithm parameter, and be each MAC PDU data selection corresponding control information;
A2, transmitting terminal MAC layer are given the local terminal physical layer after each MAC PDU data encapsulation is become MAC PDU, and simultaneously the control information of each MAC PDU are notified to the transmitting terminal physical layer.
5, method as claimed in claim 4 is characterized in that, described step b specifically comprises:
The transmitting terminal physical layer sends described control information to the receiving terminal physical layer by High-Speed Shared Control Channel simultaneously; And respectively described MAC PDU being added check code according to described control information also carries out respectively sending receiving terminal to by high-speed physical downlink shared channel (HS-PDSCH) simultaneously after the modulation treatment.
6, a kind of data sending device is characterized in that, this device comprises:
Send the data determination module, be used for definite a plurality of MAC PDU data that will transmit, and be that each MAC PDU data is selected corresponding control information;
Data transmission blocks is used for sending described control information to receiving terminal simultaneously, and respectively described MAC PDU is added check code according to described control information and also carry out respectively sending receiving terminal simultaneously to after the modulation treatment;
Data feedback result processing module is used for the Data Receiving feedback result of receiving terminal is carried out demodulation process and result is notified to described transmission data determination module.
7, a kind of data sink is characterized in that, this device comprises:
Data demodulates checking treatment module is used for simultaneously each data cell that receives being carried out the demodulation checking treatment, notifies described data delivery module when having correct data cell, waits for that simultaneously transmitting terminal retransmits wrong data cell;
The data delivery module is used for giving MAC layer with correct data cell after the notice that receives described data demodulates checking treatment module.
8, a kind of data transmission system is characterized in that, this system comprises:
Data transmission blocks is arranged at transmitting terminal, is used for simultaneously a plurality of data cells being sent to receiving terminal;
Data demodulates checking treatment module is arranged at receiving terminal, is used for simultaneously each data cell that receives being carried out the demodulation checking treatment, notifies described data delivery module when having correct data cell, waits for that simultaneously transmitting terminal retransmits wrong data cell;
The data delivery module is arranged at receiving terminal, is used for giving MAC layer with correct data cell after the notice that receives described data demodulates checking treatment module.
9, system as claimed in claim 8 is characterized in that, described data transmission blocks comprises:
Send data and determine submodule, be arranged at transmitting terminal MAC layer, be used for definite a plurality of MAC PDU data that will transmit, and be that each MAC PDU data is selected corresponding control information; Give the transmitting terminal physical layer with described a plurality of MAC PDU and corresponding control information then;
Data send submodule, be arranged at the transmitting terminal physical layer, be used for sending described control information to the receiving terminal physical layer simultaneously, and respectively described MAC PDU added check code according to described control information and also carry out respectively sending the receiving terminal physical layer simultaneously to after the modulation treatment.
10, system as claimed in claim 8 or 9 is characterized in that this system also comprises:
Data feedback result processing module is arranged at transmitting terminal, is used for the Data Receiving feedback result of receiving terminal is carried out demodulation process and result is notified to described data transmission blocks.
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| CN 200610009124 CN101018101A (en) | 2006-02-10 | 2006-02-10 | Data transmission method and system and data transmission and receiving device |
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| CN 200610009124 CN101018101A (en) | 2006-02-10 | 2006-02-10 | Data transmission method and system and data transmission and receiving device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132283B (en) * | 2007-08-27 | 2010-04-14 | 杭州华三通信技术有限公司 | Method and device for processing Ethernet frame end mark |
| CN101567865B (en) * | 2008-04-23 | 2012-07-11 | 鼎桥通信技术有限公司 | Downlink data transmitting method |
| CN104811976A (en) * | 2015-04-02 | 2015-07-29 | 四川大学 | Method and base station for improving group service airinterface analyzing capacity |
| CN105991242A (en) * | 2015-03-05 | 2016-10-05 | 中兴通讯股份有限公司 | Data transmitting method and receiving method, transmitting device, and receiving device |
| CN106162614A (en) * | 2015-04-24 | 2016-11-23 | 中兴通讯股份有限公司 | A kind of feedback method and device |
| CN107925471A (en) * | 2015-06-16 | 2018-04-17 | 安德鲁无线***有限公司 | There is the telecommunication system of distributed base station |
| CN111400212A (en) * | 2019-09-29 | 2020-07-10 | 杭州海康威视***技术有限公司 | Transmission method and device based on remote direct data access |
| CN111491386A (en) * | 2019-01-28 | 2020-08-04 | 普天信息技术有限公司 | Method and device for reducing service delay in wireless communication system |
-
2006
- 2006-02-10 CN CN 200610009124 patent/CN101018101A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132283B (en) * | 2007-08-27 | 2010-04-14 | 杭州华三通信技术有限公司 | Method and device for processing Ethernet frame end mark |
| CN101567865B (en) * | 2008-04-23 | 2012-07-11 | 鼎桥通信技术有限公司 | Downlink data transmitting method |
| CN105991242A (en) * | 2015-03-05 | 2016-10-05 | 中兴通讯股份有限公司 | Data transmitting method and receiving method, transmitting device, and receiving device |
| CN104811976A (en) * | 2015-04-02 | 2015-07-29 | 四川大学 | Method and base station for improving group service airinterface analyzing capacity |
| CN106162614A (en) * | 2015-04-24 | 2016-11-23 | 中兴通讯股份有限公司 | A kind of feedback method and device |
| CN106162614B (en) * | 2015-04-24 | 2021-01-12 | 中兴通讯股份有限公司 | Feedback method and device |
| CN107925471A (en) * | 2015-06-16 | 2018-04-17 | 安德鲁无线***有限公司 | There is the telecommunication system of distributed base station |
| CN107925471B (en) * | 2015-06-16 | 2020-05-22 | 安德鲁无线***有限公司 | Telecommunication system with distributed base station functionality |
| CN111491386A (en) * | 2019-01-28 | 2020-08-04 | 普天信息技术有限公司 | Method and device for reducing service delay in wireless communication system |
| CN111400212A (en) * | 2019-09-29 | 2020-07-10 | 杭州海康威视***技术有限公司 | Transmission method and device based on remote direct data access |
| CN111400212B (en) * | 2019-09-29 | 2022-02-08 | 杭州海康威视***技术有限公司 | Transmission method and device based on remote direct data access |
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