CN104159318A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
- Publication number
- CN104159318A CN104159318A CN201410344684.7A CN201410344684A CN104159318A CN 104159318 A CN104159318 A CN 104159318A CN 201410344684 A CN201410344684 A CN 201410344684A CN 104159318 A CN104159318 A CN 104159318A
- Authority
- CN
- China
- Prior art keywords
- random access
- lead code
- base station
- access lead
- communication equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a data transmission method and device and belongs to the field of communication systems. The data transmission method and device can improve the communication efficiency between base stations and communication equipment while the use ratio of communication channels is guaranteed. The transmission method comprises the following steps: firstly, random access lead codes sent by the communication equipment are received by the base stations; secondly, channel conditions corresponding to the random access lead codes or resources occupied by the random access lead codes are acquired by the base stations; finally, communication are conducted by the base stations according to the channel conditions and the communication equipment.
Description
Technical field
The present invention relates to field of wireless communications, particularly a kind of transmission method of data and device.
Background technology
Internet of Things (M2M, Machine to Machine), couples together all article by information sensing equipment and the Internet, realize intelligent identification and management.Along with the development of communication equipment, the application of Internet of Things is also more and more extensive, wherein, can realize communicating by letter between base station and communication equipment by Internet of Things.
At present, when base station and communication equipment communicate by Internet of Things, conventionally channel condition is configured to be applicable to the channel condition of all communication equipments in community, with the communication equipment that ensures that channel condition is bad, also can communicates with base station.But owing to channel condition being configured to be suitable for the channel condition of all communication equipments in community, this channel condition is applicable to the bad transmission at a slow speed of channel condition more, thereby cause the utilance of channel lower, reduced the communication efficiency between base station and communication equipment.
Summary of the invention
The embodiment of the present invention provides a kind of transmission method and device of data, when ensureing the utilance of channel, can improve the communication efficiency between base station and communication equipment.
The technical scheme that the embodiment of the present invention adopts is:
On the one hand, provide a kind of transmission method of data, having comprised:
The random access lead code that base station received communication equipment sends;
Described base station obtains the channel condition corresponding with described random access lead code or shared channel condition corresponding to resource of described random access lead code;
Described base station communicates according to described channel condition and described communication equipment.
On the one hand, provide a kind of transmitting device of data, having comprised:
Receiving element, the random access lead code sending for received communication equipment;
Acquiring unit, for obtaining corresponding channel condition or shared channel condition corresponding to resource of described random access lead code of described random access lead code receiving with described receiving element;
Communication unit, communicates for the described channel condition and the described communication equipment that obtain according to described acquiring unit.
On the one hand, provide a kind of transmission method of data, having comprised:
Communication equipment sends random access lead code to base station, to make described base station obtain the channel condition corresponding with described random access lead code or shared channel condition corresponding to resource of described random access lead code, and communicate according to described channel condition and described communication equipment.
On the one hand, provide a kind of transmitting device of data, having comprised:
Transmitting element, for send random access lead code to base station, to make described base station obtain the channel condition corresponding with described random access lead code or shared channel condition corresponding to resource of described random access lead code, and communicate according to described channel condition and described communication equipment.
The transmission method of the data that the embodiment of the present invention provides and device, first the random access lead code that received communication equipment in base station sends, then described base station obtains the channel condition corresponding with described random access lead code or shared channel condition corresponding to resource of described random access lead code, and last described base station communicates according to described channel condition and described communication equipment.With prior art in the time that base station and communication equipment communicate by Internet of Things, conventionally channel condition is configured to be applicable to the channel condition of all communication equipments in community, thereby cause the utilance of channel lower, reduce compared with the communication efficiency between base station and communication equipment, the embodiment of the present invention is obtained by base station the channel condition and this communication equipment that mate with current communication equipment and is communicated, thereby in ensureing the utilance of channel, can improve the communication efficiency between base station and communication equipment.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The transmission method flow chart of a kind of data that Fig. 1 provides for the embodiment of the present invention;
The transmitting device structural representation of a kind of data that Fig. 2 provides for the embodiment of the present invention;
The transmission method flow chart of the another kind of data that Fig. 3 provides for the embodiment of the present invention;
The transmitting device structural representation of the another kind of data that Fig. 4 provides for the embodiment of the present invention;
The transmission method flow chart of another data that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
For making the advantage of technical solution of the present invention clearer, below in conjunction with drawings and Examples, the present invention is elaborated.
The present embodiment provides a kind of transmission method of data, and as shown in Figure 1, described method comprises:
101, the running time-frequency resource that communication equipment sends by system broadcasts in downlink resource reception base station and the corresponding relation of physical accidental access feedback channel and described Physical Random Access Channel.
Wherein, described running time-frequency resource is described communication equipment sends any one lead code to described base station running time-frequency resource at Physical Random Access Channel, and described downlink resource is the private resource of the described base station described communication equipment of indicating by Physical Broadcast Channel.Described downlink resource can be upper continuous dedicated frequency band of a period of time, can be also discontinuous according to multiple frequency ranges of certain pattern frequency hopping or both combinations in upper discontinuous some subframe of time or frequency.
102, described communication equipment sends after any one lead code to described base station on described running time-frequency resource, on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel, receives the random access feedback information that described base station sends.
Wherein, described physical accidental access feedback channel is that described communication equipment obtains according to the corresponding relation of described physical accidental access feedback channel and described Physical Random Access Channel.
103,, after described communication equipment is synchronizeed with the time of described base station by the Timing Advance TA carrying in described random access feedback information, on the running time-frequency resource after Preset Time biasing, send radio resource control RRC connection request message to described base station.
Wherein, described TA is due to small biasing adjustment of the transmission time of causing apart from base station far and near distance.Communication equipment sends after lead code to base station, base station is according to the Timing Advance TA that calculates communication equipment transmission upstream data the time of advent of lead code, and notify communication equipment this TA by random access feedback information, communication equipment is synchronizeed and is adjusted with described base station according to TA.Described Preset Time is to return to the corresponding relation in moment and determine according to sending Physical Random Access Channel resource place moment of lead code and random access feedback information with communication equipment.
104, the RRC that receives the transmission of described base station in the downstream data channel of described communication equipment in described downlink resource sets up after message, sets up RRC be connected with described base station.
Particularly, first the RRC that receives the transmission of described base station on the downlink data trade of described communication equipment in described downlink resource sets up message, then described communication equipment sends after any one lead code to described base station on described running time-frequency resource, receive the random access feedback information that feed back on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel described base station, after last described communication equipment is synchronizeed with the time of described base station by the Timing Advance TA carrying in described random access feedback information, on running time-frequency resource after Preset Time biasing, send radio resource control RRC connection to described base station and be successfully established message.
Alternatively, after step 104, can also comprise:
Described communication equipment sends after any one lead code to described base station on described running time-frequency resource, receive the random access feedback information that feed back on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel described base station, then after described communication equipment is synchronizeed with the time of described base station by the Timing Advance TA carrying in described random access feedback information, and send upstream data to described base station on the running time-frequency resource after Preset Time biasing.
Further, described communication equipment receives the downlink data corresponding with described communication equipment that described base station sends, and described downlink data is that described base station by identifying for described communication equipment distributes the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI corresponding with described subscriber equipment in described RRC.In the time that needs are given a group communication device upgrade or unified configuration, described downlink data also can be for described base station by being that a group communication equipment unified distribution group G-RNTI identifies in described RRC.
In the present embodiment, utilize the process of the up transmission lead code of communication equipment, make base station know the uplink signal-channel quality of this communication equipment, to make transmitting uplink data be more suitable for channel condition, thereby improved efficiency of transmission.Concrete grammar is: lead code is divided into groups, according to cell size, possible communication equipment is launched to the power P of lead code
pRACHroughly span be divided into several quantification gradations, the corresponding one group of lead code of each grade.Base station is by P corresponding to lead code receiving
pRACH, can extrapolate the transmit power range of communication equipment.As P corresponding to the lead code of communication equipment
pRACHwhen soaring, according to formula P
pRACH(n)=min{Pmax, PREAMBLE_RECEIVED_TARGET_POWER+delta (n) } _ [dBm], n=1 ... k, delta (1)=PLL calculates the transmitted power of each lead code, wherein, Pmax is communication equipment transmitting power maximum, and delta (n) is each soaring power bias, the soaring number of times of n representative.PREAMBLE_RECEIVED_TARGET_POWER is a fixed value, and base station configures by system broadcasts.PL is path loss.Up channel decline is calculated according to the actual power theoretical transmitting power corresponding with lead code of lead code on the Physical Random Access Channel receiving in base station, thereby suitably adjusts the modulation coding mode of transmission.
Alternatively, according to formula P
pRACH(n)=min{Pmax, PREAMBLE_RECEIVED_TARGET_POWER+delta (n) } _ [dBm], n=1 ... k, delta (1)=PL calculates the transmitted power of each lead code, wherein, Pmax is communication equipment transmitting power maximum, and delta (n) is each soaring power bias, the soaring number of times of n representative.PREAMBLE_RECEIVED_TARGET_POWER is a fixed value, and base station configures by system broadcasts.PL is path loss.Then possible delta scope is divided into groups, corresponding different leading code characters, UE uses the delta of which scope, just sends the lead code of which group.The transmitting power of communication equipment, by PL corresponding to lead code receiving, can be extrapolated in base station, regulates based on this modulation coding mode of UE in conjunction with the signal-to-noise ratio (SNR) estimation of lead code.
Alternatively, lead code is divided into groups, according to cell size, the roughly span of descending PL (path loss) is divided into several quantification gradations, the corresponding one group of lead code of each grade.Communication equipment can be measured descending PL according to descending pilot frequency, and selects suitable corresponding lead code according to this.The modulation coding mode of transmission, by PL corresponding to lead code receiving, is estimated to regulate based on this in base station.This mode can be used for downlink transfer, and in order to obtain more accurate down channel state, after transmission preamble power is soaring, communication equipment still can be selected lead code according to the PL obtaining.In the time that up-downgoing reciprocity is good, described method also can be used for uplink.
The present embodiment provides a kind of transmitting device of data, and as shown in Figure 2, described device comprises: Transmit-Receive Unit 21, synchronized transmission unit 22, set up unit 23.
Transmit-Receive Unit 21, for receiving the corresponding relation of the running time-frequency resource that sends by system broadcasts of base station and physical accidental access feedback channel and described Physical Random Access Channel at downlink resource.
Wherein, described running time-frequency resource is described Transmit-Receive Unit sends any one lead code to described base station running time-frequency resource at Physical Random Access Channel, and described downlink resource is the private resource of the described base station described communication equipment of indicating by Physical Broadcast Channel.Described downlink resource can be upper continuous dedicated frequency band of a period of time, can be also discontinuous according to multiple frequency ranges of certain pattern frequency hopping or both combinations in upper discontinuous some subframe of time or frequency.
Described Transmit-Receive Unit 21 can also be used for, on the described running time-frequency resource of described Physical Random Access Channel, send after any one lead code to described base station, on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel, receive the random access feedback information that described base station sends.
Described Transmit-Receive Unit 21 can also be used for, and the RRC that receives the transmission of described base station in the downstream data channel in described downlink resource sets up message.
Described Transmit-Receive Unit 21 can also be used for, and receives the downlink data corresponding with described communication equipment that described base station sends.
Wherein, described downlink data is that described base station by identifying for described communication equipment distributes the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI corresponding with described subscriber equipment in described RRC.In the time that needs are given a group communication device upgrade or unified configuration, described downlink data also can be for described base station by being that a group communication equipment unified distribution group G-RNTI identifies in described RRC.
Synchronized transmission unit 22, after the Timing Advance TA carrying for the random access feedback information receiving by described Transmit-Receive Unit 21 was synchronizeed with the time of described base station, on the running time-frequency resource after Preset Time biasing, send radio resource control RRC connection request message to described base station.
Wherein, described TA is due to small biasing adjustment of the transmission time of causing apart from base station far and near distance.Communication equipment sends after lead code to base station, base station is according to the Timing Advance TA that calculates communication equipment transmission upstream data the time of advent of lead code, and notify communication equipment this TA by random access feedback information, communication equipment is synchronizeed and is adjusted with described base station according to TA.Described Preset Time is to return to the corresponding relation in moment and determine according to sending Physical Random Access Channel resource place moment of lead code and random access feedback information with communication equipment.
Described synchronized transmission unit 22 can also be used for, and after synchronizeing, on the running time-frequency resource after Preset Time biasing, sends upstream data to described base station by the Timing Advance TA carrying in described random access feedback information with the time of described base station.
Set up unit 23, set up after message for the RRC that receives the transmission of described base station at described Transmit-Receive Unit, set up RRC with described base station and be connected.
The described unit 23 of setting up comprises: transceiver module 2301 and synchronized transmission module 2302.
Transceiver module 2301, sets up message for the RRC that receives the transmission of described base station on the downlink data trade in described downlink resource.
Described transceiver module 2301, can also be used for sending after any one lead code to described base station on described running time-frequency resource, receive the random access feedback information that described base station sends on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel.
Synchronized transmission module 2302, after synchronizeing with the time of described base station for the Timing Advance TA carrying by described random access feedback information, on the running time-frequency resource after Preset Time biasing, send radio resource control RRC connection to described base station and be successfully established message.
In the present embodiment, utilize the process of the up transmission lead code of communication equipment, make base station know the uplink signal-channel quality of this communication equipment, to make transmitting uplink data be more suitable for channel condition, thereby improved efficiency of transmission.Concrete grammar is similar to the method shown in Fig. 1, does not repeat them here.
The present embodiment provides the transmission method of another kind of data, and as shown in Figure 3, described method comprises:
301, base station sends the corresponding relation of running time-frequency resource and physical accidental access feedback channel and described Physical Random Access Channel to communication equipment at downlink resource by system broadcasts.
Wherein, described running time-frequency resource is described communication equipment sends any one lead code to described base station running time-frequency resource at Physical Random Access Channel, and described downlink resource is the private resource of the described base station described communication equipment of indicating by Physical Broadcast Channel.Described downlink resource can be upper continuous dedicated frequency band of a period of time, can be also discontinuous according to multiple frequency ranges of certain pattern frequency hopping or both combinations in upper discontinuous some subframe of time or frequency.
302, described base station receives after any one lead code that described communication equipment sends on described running time-frequency resource, on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel, sends random access feedback information to described communication equipment.
Wherein, described physical accidental access feedback channel is that described communication equipment obtains according to the corresponding relation of described physical accidental access feedback channel and described Physical Random Access Channel.
303, described base station receives the radio resource control RRC connection request message sending on the running time-frequency resource of described communication equipment after Preset Time biasing.
304, in the downstream data channel of base station in described downlink resource, send RRC to described communication equipment and set up after message, connect with described communication equipment.
Particularly, on the downlink data trade of base station in described downlink resource, send described RRC to described communication equipment and set up message, then base station receives after any one lead code that described communication equipment sends on described running time-frequency resource, on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel, send random access feedback information to described communication equipment, last base station receives the described RRC successful connection message sending to described base station on the running time-frequency resource of described communication equipment after Preset Time biasing.
Alternatively, after step 304, can also comprise: base station receives after any one lead code that described communication equipment sends on described running time-frequency resource, on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel, to described communication equipment feedback random access feedback information, then base station receives the upstream data sending to described base station on the running time-frequency resource of described communication equipment after Preset Time biasing.In the time that base station sends the downlink data corresponding with described communication equipment to described communication equipment, the downlink data that described and described communication equipment is corresponding is that described base station by identifying for described communication equipment distributes the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI corresponding with described subscriber equipment in described RRC.In the time that needs are given a group communication device upgrade or unified configuration, described downlink data also can be for described base station by being that a group communication equipment unified distribution group G-RNTI identifies in described RRC.
In the present embodiment, utilize the process of the up transmission lead code of communication equipment, make base station know the uplink signal-channel quality of this communication equipment, to make transmitting uplink data be more suitable for channel condition, thereby improved efficiency of transmission.Concrete grammar is similar to the method shown in Fig. 1, does not repeat them here.
The present embodiment provides the transmitting device of another kind of data, and as shown in Figure 4, described device comprises: Transmit-Receive Unit 41, set up unit 42.
Transmit-Receive Unit 41, for sending the corresponding relation of running time-frequency resource and physical accidental access feedback channel and described Physical Random Access Channel to communication equipment at downlink resource by system broadcasts.
Wherein, described running time-frequency resource is described communication equipment sends any one lead code to described base station running time-frequency resource at Physical Random Access Channel, and described downlink resource is the private resource of the described base station described communication equipment of indicating by Physical Broadcast Channel.
Described Transmit-Receive Unit 41, also, for receiving after any one lead code that described communication equipment sends on described running time-frequency resource, on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel, send random access feedback information to described communication equipment.
Described Transmit-Receive Unit 41, also for receiving the radio resource control RRC connection request message sending to described Transmit-Receive Unit on the running time-frequency resource of described communication equipment after Preset Time biasing.
Described Transmit-Receive Unit 41, also sets up message for sending RRC to described communication equipment in the downstream data channel in described downlink resource.
Described Transmit-Receive Unit 41, can also be used for receiving the upstream data sending to described Transmit-Receive Unit on the running time-frequency resource of described communication equipment after Preset Time biasing.
Described Transmit-Receive Unit 41, can also be used for sending the downlink data corresponding with described communication equipment to described communication equipment.
Wherein, the downlink data that described and described communication equipment is corresponding is that described base station by identifying for described communication equipment distributes the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI corresponding with described subscriber equipment in described RRC.
Set up unit 42, the RRC that receives described Transmit-Receive Unit transmission for described subscriber equipment sets up after message, connects with described communication equipment.
The described unit 42 of setting up comprises: transceiver module 4201.
Described transceiver module 4201, sets up message for sending described RRC to described communication equipment on the downlink data trade in described downlink resource.
Described transceiver module 4201, can also be used for receiving after any one lead code that described communication equipment sends on described running time-frequency resource, on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel, send random access feedback information to described communication equipment.
Described transceiver module 4201, can also be used for receiving the described RRC successful connection message sending to described transceiver module on the running time-frequency resource of described communication equipment after Preset Time biasing.
In the present embodiment, utilize the process of the up transmission lead code of communication equipment, make base station know the uplink signal-channel quality of this communication equipment, to make transmitting uplink data be more suitable for channel condition, thereby improved efficiency of transmission.Concrete grammar is similar to the method shown in Fig. 1, does not repeat them here.
The embodiment of the present invention provides the transmission method of another data, and that the communication equipment in the method adopts is the wide end terminal low end of small band UE, and described communication equipment includes but not limited to adopt low end UE, and as shown in Figure 5, described method comprises:
501, low end UE reads after expansion Physical Broadcast Channel PBCH, obtain the configuration information of the special downlink resource of low end and described Physical Broadcast Channel, and receive dedicated system broadcast in private downlink resource after, obtain special Physical Random Access Channel PRACH and access at random the configuration information of feedback channel.
502, the random selection of low end UE, after a lead code preamble, sends to base station on PRACH, and detects random access feedback channel, obtains random access feedback (RAR).
503, low end UE determines after Timing Advance according to RAR, synchronizes, and send upstream data to base station by Timing Advance with base station on the running time-frequency resource after set time biasing.
Wherein, described upstream data can be RRC connection request.
504, set up after message when the RRC connection that receives base station transmission in the downstream data channel of low end UE in downlink dedicated resource, adopt the mode of random access contention to send RRC connection setup complete message to base station, connect to complete RRC.
Wherein, the mode of the random access contention of described employing is repeating step 502 and step 503.
505,, after RRC has connected, up-downgoing data communication is carried out in low end UE and base station.
Wherein, upstream data transmission also needs first from step 502, and when after completing steps 503, low end UE just can send upstream data to base station.Low end UE downlink data receiving is that in the downstream data channel in downlink dedicated resource, whether in real time detection has and comprised the data that by C-RNTI identify corresponding with described low end UE, in the time there is described downlink data, receive described downlink data.
The transmission method of the data that the embodiment of the present invention provides and device, first base station sends the configuration information of Physical Random Access Channel and the configuration information of physical accidental access feedback channel at downlink resource to subscriber equipment by system broadcasts, then communication equipment sends after any one lead code to described base station on the described running time-frequency resource of described Physical Random Access Channel, receive the random access feedback information that feed back on the described physical accidental access feedback channel corresponding with described Physical Random Access Channel described base station, and after the Timing Advance TA carrying by described random access feedback information is synchronizeed with described base station and is adjusted, on running time-frequency resource after Preset Time biasing, send radio resource control RRC connection request message to described base station, the RRC that receives the transmission of described base station in the downstream data channel of last communication equipment in described downlink resource sets up after message, setting up RRC with described base station is connected.Prior art is only applicable to high speed data transfers, and because communication equipment will carry out PDCCH blind check on the Whole frequency band of each subframe, each blind check the most nearly more than 40 times, thereby caused the cost of communication equipment and complexity very high.The embodiment of the present invention is carried out the transmission of data by non-scheduled mode, thereby has reduced cost and the complexity of communication equipment.
The above-mentioned embodiment of the method providing can be provided the transmitting device of the data that the embodiment of the present invention provides, and concrete function is realized the explanation referring in embodiment of the method, does not repeat them here.Transmission method and the device of the data that the embodiment of the present invention provides go for field of wireless communications, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (14)
1. a transmission method for data, is characterized in that, comprising:
The random access lead code that base station received communication equipment sends;
Described base station obtains the path loss corresponding with described random access lead code;
The modulation coding mode of transmission is estimated to regulate in described base station according to described path loss;
Described base station compiles mode according to described modulation and described communication equipment communicates.
2. the transmission method of data according to claim 1, is characterized in that, described base station obtains the path loss corresponding with described random access lead code and comprises:
Described base station obtains the path loss corresponding with described random access lead code according to preset mapping relations, preserves different path loss at least one random access lead code of correspondence respectively in described preset mapping relations.
3. the transmission method of data according to claim 1 and 2, is characterized in that, before the random access lead code that described base station received communication equipment sends, also comprises:
Described base station notifies described preset mapping relations to described communication equipment, to make described communication equipment select described random access lead code according to described preset mapping relations.
4. according to the transmission method of the data described in claim 2 or 3, it is characterized in that, described base station notifies described preset mapping relations to before described communication equipment, also comprises:
Path loss is divided into multiple spans by described base station;
Described base station is that the span of each path loss configures respectively at least one random access lead code;
Described base station is set up the span of each path loss and is distinguished the corresponding relation between at least one corresponding random access lead code;
Described base station is notified described preset mapping relations to described communication equipment and is comprised:
Described base station is by the span of each path loss and distinguish the corresponding relation between at least one corresponding random access lead code, and notice is to described communication equipment.
5. a transmission method for data, is characterized in that, comprising:
Communication equipment sends random access lead code to base station, described access lead code obtains the path loss corresponding with described random access lead code for described base station, and according to the modulation coding mode of described path loss estimation adjusting transmission, adopt described modulation coding mode and described communication equipment to communicate;
Described communication equipment and described base station communicate by described modulation volume mode.
6. the transmission method of data according to claim 5, is characterized in that, described communication equipment also comprises before sending random access lead code to base station:
Described communication equipment receives the preset mapping relations that described base station sends, and preserves different path loss at least one random access lead code or the shared resource of at least one random access lead code of correspondence respectively in described preset mapping relations;
Described communication equipment, according to described preset mapping relations, is selected described random access lead code.
7. according to the transmission method of the data described in claim 5 or 6, it is characterized in that, the preset mapping relations that communication equipment receives the transmission of described base station comprise:
Corresponding relation between the span that described communication equipment receives each path loss that base station sends and at least one corresponding respectively random access lead code, preserves the span of different path losses and distinguishes the corresponding relation between at least one corresponding random access lead code in described preset mapping relations;
Described communication equipment, according in described preset mapping relations, selects random access lead code to comprise:
Described communication equipment is according to the span of each path loss and distinguish the corresponding relation between at least one corresponding random access lead code, selects described random access lead code.
8. a transmitting device for data, is characterized in that, comprising:
Be used for the unit of the random access lead code that receives the transmission of received communication equipment;
For obtaining the unit of the path loss corresponding with described random access lead code;
For estimate the unit of the modulation coding mode that regulates transmission according to described path loss;
For compile the unit that mode and described communication equipment communicate according to described modulation.
9. the transmitting device of data according to claim 8, is characterized in that, described for the unit that obtains the path loss corresponding with described random access lead code specifically for:
Obtain the path loss corresponding with described random access lead code according to preset mapping relations, in described preset mapping relations, preserve different path loss at least one random access lead code or the shared resource of at least one random access lead code of correspondence respectively.
10. the transmitting device of data according to claim 8 or claim 9, is characterized in that, described device also comprises:
For notifying the unit to described communication equipment by described preset mapping relations, to make described communication equipment select described random access lead code according to described preset mapping relations.
11. according to the transmitting device of the data described in claim 9 or 10, it is characterized in that, described device also comprises:
For path loss being divided into the unit of multiple spans;
Be used to the span of each path loss to configure respectively the unit of at least one random access lead code;
The unit that is used for setting up the span of each path loss and distinguishes the corresponding relation between at least one corresponding random access lead code;
Described for described preset mapping relations are notified to the unit of described communication equipment specifically for:
By the span of each PL and the corresponding relation between corresponding at least one random access lead code respectively, notify to described communication equipment.
The transmitting device of 12. 1 kinds of data, is characterized in that, comprising:
For send the unit of random access lead code to base station, described access lead code obtains the path loss corresponding with described random access lead code for described base station, and according to the modulation coding mode of described path loss estimation adjusting transmission, adopt described modulation coding mode and described communication equipment to communicate;
Be used for the unit communicating by described modulation volume mode with described base station.
The transmitting device of 13. data according to claim 12, is characterized in that, described device also comprises:
Be used for the unit of the preset mapping relations that receive the transmission of described base station, in described preset mapping relations, preserve different channels condition at least one random access lead code or the shared resource of at least one random access lead code of correspondence respectively;
For according to described preset mapping relations, select the unit of described random access lead code.
The transmitting device of 14. data according to claim 13, is characterized in that,
Described for the unit that receives the preset mapping relations that described base station sends specifically for:
Corresponding relation between the span that receives each path loss that base station sends and at least one respectively corresponding random access lead code, preserves the span of different path losses and distinguishes the corresponding relation between at least one corresponding random access lead code in described preset mapping relations;
For according to described preset mapping relations, the unit of selecting described random access lead code specifically for:
According to the span of each path loss and the corresponding relation between corresponding at least one random access lead code respectively, select described random access lead code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344684.7A CN104159318B (en) | 2012-01-11 | 2012-01-11 | The transmission method and device of data |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008601.8A CN103209459B (en) | 2012-01-11 | 2012-01-11 | The transmission method of data and device |
| CN201410344684.7A CN104159318B (en) | 2012-01-11 | 2012-01-11 | The transmission method and device of data |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210008601.8A Division CN103209459B (en) | 2012-01-11 | 2012-01-11 | The transmission method of data and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104159318A true CN104159318A (en) | 2014-11-19 |
| CN104159318B CN104159318B (en) | 2018-05-11 |
Family
ID=51884699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410344684.7A Active CN104159318B (en) | 2012-01-11 | 2012-01-11 | The transmission method and device of data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104159318B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108833065A (en) * | 2018-05-29 | 2018-11-16 | 佛山市宝瑞通光电科技有限公司 | Radio channel allocation communication means and device |
| US11044037B2 (en) | 2016-08-11 | 2021-06-22 | Huawei Technologies Co., Ltd. | Information transmission method and device |
| RU2752250C1 (en) * | 2017-12-28 | 2021-07-23 | Бейджин Сяоми Мобайл Софтвеа Ко., Лтд. | Method and apparatus for determining losses in transmission path |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886908A (en) * | 2003-11-25 | 2006-12-27 | Lm爱立信电话有限公司 | Method and system for determining uplink/downlink path-loss difference |
| CN101529961A (en) * | 2006-10-23 | 2009-09-09 | 交互数字技术公司 | Method and apparatus for sending a channel quality indication via a shared channel |
| CN101669395A (en) * | 2007-03-01 | 2010-03-10 | 株式会社Ntt都科摩 | Base station device and communication control method |
| US20110128883A1 (en) * | 2008-07-30 | 2011-06-02 | Jae Hoon Chung | Relay station in radio communication system and operating method for the relay station |
| CN102264095A (en) * | 2010-05-26 | 2011-11-30 | 电信科学技术研究院 | Method for determining UE (user experiment) position information and network side device |
-
2012
- 2012-01-11 CN CN201410344684.7A patent/CN104159318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886908A (en) * | 2003-11-25 | 2006-12-27 | Lm爱立信电话有限公司 | Method and system for determining uplink/downlink path-loss difference |
| CN101529961A (en) * | 2006-10-23 | 2009-09-09 | 交互数字技术公司 | Method and apparatus for sending a channel quality indication via a shared channel |
| CN101669395A (en) * | 2007-03-01 | 2010-03-10 | 株式会社Ntt都科摩 | Base station device and communication control method |
| US20110128883A1 (en) * | 2008-07-30 | 2011-06-02 | Jae Hoon Chung | Relay station in radio communication system and operating method for the relay station |
| CN102264095A (en) * | 2010-05-26 | 2011-11-30 | 电信科学技术研究院 | Method for determining UE (user experiment) position information and network side device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11044037B2 (en) | 2016-08-11 | 2021-06-22 | Huawei Technologies Co., Ltd. | Information transmission method and device |
| RU2752250C1 (en) * | 2017-12-28 | 2021-07-23 | Бейджин Сяоми Мобайл Софтвеа Ко., Лтд. | Method and apparatus for determining losses in transmission path |
| US11483080B2 (en) | 2017-12-28 | 2022-10-25 | Beijing Xiaomi Mobile Software Co., Ltd. | Path loss determination method and apparatus |
| CN108833065A (en) * | 2018-05-29 | 2018-11-16 | 佛山市宝瑞通光电科技有限公司 | Radio channel allocation communication means and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104159318B (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11096218B2 (en) | Method, base station apparatus and user equipment for random access | |
| US11902978B2 (en) | Apparatus and method for performing random access in beam-formed system | |
| KR102581327B1 (en) | Trigger frame in wireless local area network | |
| US9949258B2 (en) | Method and arrangement for adapting guard time based on timing advance | |
| CN103209459B (en) | The transmission method of data and device | |
| CN101154984B (en) | Method and system for remaining ascending synchronization | |
| CN101998607B (en) | Method, system and device for transmitting secondary synchronization signals by introducing uplink time slot to downlink | |
| CN102045823B (en) | Method, system and equipment for controlling power | |
| CN101843007B (en) | Selection of transmit mode during a random access procedure | |
| EP3437387B1 (en) | Method and device for timing correction in a channel access using a listen-before-talk protocol. | |
| CN103179654B (en) | PRACH determining method of launch power and device | |
| US10681663B2 (en) | Methods for adjusting uplink transmission timing | |
| CN111226473A (en) | Pre-session listening and channel access priority ranking of random access channels in new radio unlicensed spectrum | |
| CN105210442A (en) | Wireless communication system and terminal device | |
| CN101940053B (en) | Method and apparatus of transmitting preamble signal for random access | |
| CN116567826A (en) | Method and user equipment for wireless communication | |
| CN109479320A (en) | The method and apparatus for sending random access preamble | |
| CN104159318A (en) | Data transmission method and device | |
| WO2020121028A1 (en) | Selective transmission and/or detection of identification signals by a wireless access node in unlicensed spectrum | |
| EP2901784A1 (en) | Method and network node for determining an initial configuration of generation of uplink reference signals | |
| CN111385865B (en) | Random access method, device, system and storage medium | |
| WO2016033778A1 (en) | Timing transmission method and device | |
| Xiong et al. | TRIDENT Schemes for Small Data Transmission in Industrial IoT System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |