CN101505499A - Control method, system and equipment for random access - Google Patents
Control method, system and equipment for random access Download PDFInfo
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- CN101505499A CN101505499A CNA2008100742773A CN200810074277A CN101505499A CN 101505499 A CN101505499 A CN 101505499A CN A2008100742773 A CNA2008100742773 A CN A2008100742773A CN 200810074277 A CN200810074277 A CN 200810074277A CN 101505499 A CN101505499 A CN 101505499A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 230000001174 ascending effect Effects 0.000 claims description 21
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 description 11
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 7
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000013468 resource allocation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
The embodiment of the invention discloses a random access control method. The method comprises the following steps of: receiving an indication message which is sent by a base station and carries the conversion access transmission type information; and according to the conversion access transmission type information, converting the access transmission type to perform the uplink access. In the control method, the base station controls the uplink access transmission type of the user equipment according to load conditions to convert the access transmission type occupying more resources into the access transmission type occupying less resources and to reduce the total uplink load of the current cell of the base station or the load of the corresponding access transmission type, thereby lowering the jamming possibility of the user equipment on the transmission route.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of control method, system and equipment that inserts at random.
Background technology
3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) introduced enhancing RACH (Random Access Channel in the R8 version, Random Access Channel), E-DCH (Enhanced Dedicated Channel is used in the i.e. access at random that strengthens at 3GPP WCDMA, strengthen dedicated channel) replace the RACH in the R99 version to realize uplink, to reduce UE (User Equipment, subscriber equipment) uplink time delay and to improve uplink speed.
Wherein, the up access transport-type of UE is R99 PRACH (Physical RandomAccess Channel, a Physical Random Access Channel) in the R99 version, and RACH is mapped to one or more Physical Random Access Channels, can determine the RACH capacity flexibly according to network operator's needs.The up access transport-type of the E-DCH of UE comprises that the enhancing of 10ms TTI (Transmission Time Interval, Transmission Time Interval) is up up with enhancing 2ms TTI in the R8 version, adopts the time interval of 10ms and 2ms to send uplink information respectively.
In realizing process of the present invention, the inventor finds that there is following shortcoming in prior art:
The up access transport-type of subscriber equipment is that the enhancing of R8 10ms TTI enhancing up or R8 2ms TTI is when up, if the up total load of base station current area is excessive, perhaps Dui Ying access transport-type load is excessive, the up access failure that can cause this subscriber equipment makes the transmission path of this subscriber equipment take place congested.
Summary of the invention
The embodiment of the invention provides a kind of control method, system and equipment that inserts at random, realizes that the base station is according to current access loading condition control subscriber equipment access transport-type.
The embodiment of the invention provides a kind of control method that inserts at random, may further comprise the steps:
Receive the Indication message that the base station sends, carry conversion in the described Indication message and insert transmission type information;
Insert transmission type information change access transport-type according to described conversion and carry out up access.
The embodiment of the invention provides a kind of control method that inserts at random, may further comprise the steps:
Receive the access request of subscriber equipment;
Detect ascending load and take situation;
Exceed preset value if described ascending load takies situation, then send Indication message, indicate described subscriber equipment conversion to insert transmission type information to described subscriber equipment.
The embodiment of the invention provides a kind of control system that inserts at random, comprising:
The base station after being used to receive the access request of subscriber equipment, is detected ascending load and is taken situation, exceeds preset value if described ascending load takies situation, then sends Indication message to described subscriber equipment;
Subscriber equipment is used to receive the Indication message that the base station sends, and carries conversion in the described Indication message and inserts transmission type information, and insert transmission type information according to described conversion and change and insert transport-type and carry out up access.
The embodiment of the invention provides a kind of base station, comprising:
Receiving element is used to receive the access request of subscriber equipment;
Detecting unit is used to detect ascending load and takies situation;
The indication transmitting element is used for determining to receive the request of access, and ascending load sends Indication message to described subscriber equipment when taking situation and exceeding preset value.
The embodiment of the invention provides a kind of subscriber equipment, comprising:
Receiving element is used to receive the Indication message that the base station sends, and carries conversion in the described Indication message and inserts transmission type information;
Access unit is used for inserting transmission type information change access transport-type according to described conversion and carries out up access.
In the embodiments of the invention, when UE initiates up access, network side is according to the up total loading condition of current area, and the loading condition of various access transport-types, up access transport-type to subscriber equipment is controlled, can just take the many access transport-types of resource is converted to and takies the few access transport-type of resource, reduce the up total load or the corresponding access transport-type load of base station current area, and then reduced the transmission path generation congestion probability of subscriber equipment.
Description of drawings
Fig. 1 is the control method flow chart that inserts at random in the embodiment of the invention one;
Fig. 2 strengthens the RACH schematic diagram in the embodiment of the invention;
Fig. 3 strengthens RACH physical accidental access procedure schematic diagram in the embodiment of the invention;
Fig. 4 is a physical accidental access procedure schematic diagram in the embodiment of the invention;
Fig. 5 is a kind of control system structure chart that inserts at random in the embodiment of the invention.
Embodiment
In the embodiment of the invention, whether the base station can satisfy the system configuration requirement according to the load of current cell load and access transport-type, determines whether the notifying user equipment conversion inserts transport-type.In order to achieve a butt joint into the control of load, reasonably inserting transport-type control should be R8 E-DCH → R99PRACH, perhaps is transformed into the little R8 E-DCH resource of load from the big R8 E-DCH resource of load, and " degradation " of promptly controlling up access-in resource uses.Wherein, the ascending load size of using R8 E-DCH resource to be produced can be according to differentiations such as TTI length of using or maximum transmission powers.For example, insert the duty ratio of transport-type when big at the load of current area or certain, transport-type can be inserted by indicating user equipment to change in the base station, and ascending load is controlled.Wherein inserting the transport-type conversion comprises: be converted to Physical Random Access Channel PRACH access from strengthening dedicated channel E-DCH access; Or be transformed into the little R8 E-DCH resource of load from the big R8 E-DCH resource of load and insert, promptly insert the degradation of transport-type.
The control method that inserts at random in the embodiment of the invention one as shown in Figure 1, may further comprise the steps:
The control method that inserts at random in the embodiment of the invention two when being converted to Physical Random Access Channel PRACH access from strengthening dedicated channel E-DCH access, may further comprise the steps:
Step 201, UE carries out the access attempts of 2ms TTI E-DCH, sends the request of access to the base station.After the MAC of subscriber equipment layer had triggered enhancing RACH physical accidental access procedure, the same with R99 physical accidental access procedure, physical layer needed selected up access slot, signature and one of leading transmitting power emission leading equally.
Step 202, Node B (base station) receives the access request of UE, detects corresponding access lead, whether controls the conversion that inserts transport-type of this UE according to the resource operating position decision of uplink load situation at this moment or 2ms TTI E-DCH.
Wherein, strengthen the RACH flow process as shown in Figure 2, comprise leading (preamble) and resource allocation stage, conflict solution and resolution stage, E-DCH data transfer phase and discharge the resource stage.Wherein, access lead (preamble) and resource allocation stage, up E-DCH (the Enhanced Dedicated Channel that NodeB (base station) is available with all, the enhancing dedicated channel) resource is broadcasted by system message, the corresponding resource index of the up E-DCH resource of every suit number wherein, up E-DCH resource comprises up DPCH (Dedicated Physical Channel, DPCH) information, E-DCH information, E-AGCH (E-DCH Absolute Grant Channel, the absolute grant channel) information, E-RACH information, up maximum transmission power, TTI (Transmission Time Interval, Transmission Time Interval) length etc.The signature set that the base station will have 16 signatures now is divided into two subclass, and the PRACH of R99 inserts and uses different signature subclass respectively with the up access of the enhancing of R8.
When UE send to insert R99 PRACH correspondence leading, when perhaps send inserting the up correspondence of enhancing leading of R8 and not disposing E-AICH, when Node B detects preamble signature, reply AI (Acquisition Indicator by AICH, catch indication), when the AI of the corresponding signature of leading signature is+1, represent ACK, be-1, represent NACK.
Default resource distribution of each preamble signature binding, when sending the leading and configuration E-AICH of the up correspondence of enhancing that inserts R8,, represent ACK when the AI of the corresponding signature of leading signature is+1, the access of the UE that is replied is admitted, and uses default resource distribution; When the AI that replys is-1, represent NACK, then the UE that is replied need receive the E-AICH channel and read the configuration information that it carries.
A signature in the signature set of E-AICH Channel Transmission configuration, 16 signatures in 16 signatures in this signature set and the signature set of AICH are mutually orthogonal.The signature number that E-AICH can send is 16, and the combination of the different E-AI value (+1 or-1) of same signature, can indicate 32 kinds of values at most, but at a given access slot, E-AICH can only indicate a kind of in 32 kinds of values at most, that is to say that can only carry an E-AI at most is not 0 signature.In 32 kinds of values can representing, a kind of expression NACK, remaining can represent the call number of up E-DCH resource.This call number is that the default resource distribution of the access lead signature binding passing through to be replied adds that side-play amount obtains, and different resource offset has been represented in difference signature that E-AICH carries and the combination of E-AI thereof.The signature of E-AICH indication and the combination and the up E-DCH resource offset corresponding relation of E-AI value, and the content of resource and call number are broadcasted by system message.
Resource indicating method is as shown in table 1, and wherein the X representative is signed by the access lead that AICH replys NACK, and Y represents the total number of E-DCH resource in the sub-district.So the combination of signature that E-AICH carries and E-AI value indication is the side-play amount that relative preamble signature is bound default resource, UE receives that the resource of this indication back use respective index number carries out uplink.
Table 1 is by the method for expressing of the resource allocation information of E-AICH indication conversion
If the current area load is bigger, or do not have available 2ms TTI E-DCH resource, then use 10ms TTI E-DCH resource to carry out uplink, perhaps use R99 PRACH to insert by E-AICH indication UE.The method of the indication conversion of E-AICH is as shown in table 1, increase the indication that is transformed into R99 PRACH: " RetryR99 PRACH ", and the degradation indication " Level down " that inserts R8 E-DCH resource, wherein degradation indication " Level down " is that optionally promptly E-AICH can not indicate " Level down ".
Schematic diagram when using R99 PRACH as shown in Figure 4, wherein access procedure may further comprise the steps:
1, according to the available RACH (Random Access Channel, Random Access Channel) of given ASC (Access Service Class, access service class) set, determine and select a up access slot.
2, in available signatures (Signature) set of given ASC, select a signature at random.
3, the value of preamble retransmission counter is set to leading maximum retransmission.
4, according to leading initial power, and the minimum power requirement, determine the instruction pilot power.
5, according to the instruction pilot power, and minimum power requirement and maximum allowable power, appropriate leading transmitting power is set.Use selected up access slot, signature and one of leading transmitting power emission leading then.
6, judge with the selected corresponding descending access slot of up access slot in, whether detect with selected signature is corresponding and catch indication (ACK or NACK); If have, then change step 107; If no, then carry out following steps:
A, in the available RACH sets of sub-channels of given ASC, select next available access slot;
B, in the set of the available signatures of given ASC, select a new signature at random;
C, will instruct pilot power to increase a power ramp step-length.If the instruction pilot power surpasses maximum allowable power 6dB, need the reporting physical layer state " not have ACK on the AICH " and give MAC (MediaAccess Control, medium access control) layer and withdraw from current physical accidental access procedure;
D, the value of preamble retransmission counter is subtracted 1;
If the value of e preamble retransmission counter is greater than 0, then repeated execution of steps 105, give MAC and withdraw from current physical accidental access procedure otherwise need report condition " not have ACK on the AICH ".
7, if with the selected corresponding descending access slot of up access slot in, detect with the selected corresponding NACK of signature and catch indication, need the reporting physical layer state " to receive NACK on the AICH " and give the MAC layer and withdraw from current physical accidental access procedure; If with the selected corresponding descending access slot of up access slot in, detect with the selected corresponding ACK of signature and catch indication, then need after distance is launched leading up access slot 3 or 4 up access slots at last, begin to send random accessing message.
8, reporting physical layer state " RACH message sends and finishes " is given the MAC layer and is withdrawed from current physical accidental access procedure.
Step 203, when the UE that inserts receives " Retry R99 PRACH " indication by E-AICH after, if the preamble retransmission number of times does not reach the maximum of configuration, then proceed the access of R99 PRACH, at the available access slot of the next one, select corresponding signature to continue to send an access lead, the power of this access lead can be no longer soaring.When the UE that inserts receives " Level down " indication by E-AICH after, if the preamble retransmission number of times does not reach the maximum of configuration, then proceed R8 and strengthen up access, the little enhancing ascending resource of request load, at the available access slot of the next one, select corresponding signature to continue to send an access lead, the power of this access lead can be no longer soaring.For example, carry out the access attempts of 10ms TTI E-DCH at the available access slot of the next one, in the table 2, if the signature sequence number that E-AICH sends is S, E-AI is EAI, and the resource offset of indication is O, then ought comprise " Retry R99PRACH " indication, do not comprise under the situation of " Level down " indication
Under the situation that comprises " Retry R99 PRACH " and " Level down " indication simultaneously,
Under the situation that " Retry R99 PRACH " and " Level down " indication does not all have,
A kind of control system that inserts at random as shown in Figure 5, comprising: base station 100 in the embodiment of the invention, after being used to receive the access request of subscriber equipment, detect ascending load and take situation, exceed preset value, then send Indication message to described subscriber equipment if described ascending load takies situation; Subscriber equipment 200 is used to receive the Indication message that the base station sends, and carries conversion in the described Indication message and inserts transmission type information, and insert transmission type information according to described conversion and change and insert transport-type and carry out up access.Wherein, conversion access transport-type comprises: be converted to Physical Random Access Channel PRACH access from strengthening dedicated channel E-DCH access; Or be transformed into the little R8 E-DCH resource of load from the big R8 E-DCH resource of load and insert.
Wherein, base station 100 comprises: receiving element 110 is used to receive the access request of subscriber equipment; Detecting unit 120 is used to detect ascending load and takies situation; Indication transmitting element 130 is used for determining to receive the request of access, and ascending load sends Indication messages to described subscriber equipment 200 when taking situation and exceeding preset value.
Subscriber equipment 200 comprises: receiving element 210, be used to receive the Indication message that the base station sends, and carry conversion in the described Indication message and insert transmission type information; Access unit 220 is used for inserting transmission type information change access transport-type according to described conversion and carries out up access; Judging unit 230 is used to judge whether the preamble retransmission number of times reaches preset value, if do not reach then according to described access transport-type, selects corresponding signature to send access lead at the available access slot of the next one; If reach, then determine access failure.
In the embodiments of the invention, the base station is controlled the up access transport-type of subscriber equipment according to loading condition, be converted to and take the few access transport-type of resource taking the many access transport-types of resource, reduce the up total load or the corresponding access transport-type load of base station current area, and then reduced the transmission path generation congestion probability of subscriber equipment.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (11)
1, a kind of control method that inserts at random is characterized in that, may further comprise the steps:
Receive the Indication message that the base station sends, carry conversion in the described Indication message and insert transmission type information;
Insert transmission type information change access transport-type according to described conversion and carry out up access.
2, the control method that inserts at random according to claim 1 is characterized in that, describedly inserts transmission type information according to described conversion and changes and insert transport-type and carry out up access and specifically comprise:
Judge whether the preamble retransmission number of times reaches preset value,, select corresponding preamble signature to send access lead at the available access slot of the next one if do not reach then according to described access transport-type; If reach, then determine access failure.
3, the control method that inserts at random as claimed in claim 1 or 2 is characterized in that,
It is Retry R99 PRACH indication that described conversion inserts transmission type information, then is converted to Physical Random Access Channel PRACH access from strengthening dedicated channel E-DCH access;
Or described conversion inserts transport-type and is designated as the degradation indication, inserts from the big R8 E-DCH resource of load to be transformed into the little R8 E-DCH resource of load and to insert.
4, a kind of control method that inserts at random is characterized in that, may further comprise the steps:
Receive the access request of subscriber equipment;
Detect ascending load and take situation;
Exceed preset value if described ascending load takies situation, then send Indication message, indicate described subscriber equipment conversion to insert transmission type information to described subscriber equipment.
5, the control method as inserting at random as described in the claim 4 is characterized in that described ascending load takies situation and comprises:
The load that takies that takies load and described access transport-type of sub-district total load.
6, the control method as inserting at random as described in claim 4 or 5 is characterized in that,
Described access transport-type is designated as Retry R99 PRACH indication, then
Indication is converted to Physical Random Access Channel PRACH access from strengthening dedicated channel E-DCH access;
Or described conversion inserts transport-type and is designated as the degradation indication, inserts from the big R8 E-DCH resource of load to be transformed into the little R8 E-DCH resource of load and to insert.
7, a kind of control system that inserts at random is characterized in that, comprising:
The base station after being used to receive the access request of subscriber equipment, is detected ascending load and is taken situation, exceeds preset value if described ascending load takies situation, then sends Indication message to described subscriber equipment;
Subscriber equipment is used to receive the Indication message that the base station sends, and carries conversion in the described Indication message and inserts transmission type information, and insert transmission type information according to described conversion and change and insert transport-type and carry out up access.
8, the control system as inserting at random as described in the claim 7 is characterized in that, described conversion inserts transport-type and comprises:
Be converted to Physical Random Access Channel PRACH access from strengthening dedicated channel E-DCH access; Or insert from the big R8 E-DCH resource of load and to be transformed into the little R8 E-DCH resource of load and to insert.
9, a kind of base station is characterized in that, comprising:
Receiving element is used to receive the access request of subscriber equipment;
Detecting unit is used to detect ascending load and takies situation;
The indication transmitting element is used for determining to receive the request of access, and ascending load sends Indication message to described subscriber equipment when taking situation and exceeding preset value.
10, a kind of subscriber equipment is characterized in that, comprising:
Receiving element is used to receive the Indication message that the base station sends, and carries conversion in the described Indication message and inserts transmission type information;
Access unit is used for inserting transmission type information change access transport-type according to described conversion and carries out up access.
11, as subscriber equipment as described in the claim 10, it is characterized in that, also comprise:
Judging unit is used to judge whether the preamble retransmission number of times reaches preset value, if do not reach then according to described access transport-type, selects corresponding signature to send access lead at the available access slot of the next one; If reach, then determine access failure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100742773A CN101505499A (en) | 2008-02-05 | 2008-02-05 | Control method, system and equipment for random access |
| PCT/CN2009/070205 WO2009100660A1 (en) | 2008-02-05 | 2009-01-19 | A random access control method, system and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100742773A CN101505499A (en) | 2008-02-05 | 2008-02-05 | Control method, system and equipment for random access |
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| CN101505499A true CN101505499A (en) | 2009-08-12 |
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| CNA2008100742773A Pending CN101505499A (en) | 2008-02-05 | 2008-02-05 | Control method, system and equipment for random access |
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| CN (1) | CN101505499A (en) |
| WO (1) | WO2009100660A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102711216A (en) * | 2012-05-08 | 2012-10-03 | 中国联合网络通信集团有限公司 | Transmission resource selection method, user equipment, determining method and access network equipment |
| CN102740407A (en) * | 2011-04-11 | 2012-10-17 | 中兴通讯股份有限公司 | Method and system for uplink scheduling, terminal and base station |
| CN102932874A (en) * | 2011-08-11 | 2013-02-13 | 华为技术有限公司 | Method and system for data transmission, user equipment and node B |
| WO2014019518A1 (en) * | 2012-08-03 | 2014-02-06 | 华为技术有限公司 | Random access method and user equipment |
| CN104067685A (en) * | 2012-01-20 | 2014-09-24 | 阿尔卡特朗讯 | Uplink transmission |
| CN104468030A (en) * | 2014-08-26 | 2015-03-25 | 上海华为技术有限公司 | Data transmission method, user equipment and base station |
| CN107925605A (en) * | 2015-09-10 | 2018-04-17 | 英特尔Ip公司 | For the random access procedure without cell operation based on wave beam in 5G RAT |
| CN108696893A (en) * | 2017-04-07 | 2018-10-23 | 中兴通讯股份有限公司 | A kind of method for transmitting uplink data, device, base station and user equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8792447B2 (en) * | 2011-08-11 | 2014-07-29 | Interdigital Patent Holdings, Inc. | Channel selection for uplink access |
| US20180332621A1 (en) * | 2015-02-27 | 2018-11-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access resources in a telecommunication network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188584A (en) * | 1995-05-17 | 1998-07-22 | 夸尔柯姆股份有限公司 | Random access communications channel for data services |
| KR100413419B1 (en) * | 1998-08-04 | 2004-02-14 | 엘지전자 주식회사 | Method for performing random access in Mobile Communication System |
| KR100735346B1 (en) * | 2004-05-04 | 2007-07-04 | 삼성전자주식회사 | A method and apparatus for TTI change considering HARQ process for Enhanced uplink dedicated channel |
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2008
- 2008-02-05 CN CNA2008100742773A patent/CN101505499A/en active Pending
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2009
- 2009-01-19 WO PCT/CN2009/070205 patent/WO2009100660A1/en active Application Filing
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| CN102740407A (en) * | 2011-04-11 | 2012-10-17 | 中兴通讯股份有限公司 | Method and system for uplink scheduling, terminal and base station |
| CN102740407B (en) * | 2011-04-11 | 2017-08-29 | 中兴通讯股份有限公司 | Uplink dispatch method and system, terminal and base station |
| CN102932874B (en) * | 2011-08-11 | 2015-12-16 | 华为技术有限公司 | A kind of data transmission method and system, subscriber equipment and base station |
| CN102932874A (en) * | 2011-08-11 | 2013-02-13 | 华为技术有限公司 | Method and system for data transmission, user equipment and node B |
| CN104067685A (en) * | 2012-01-20 | 2014-09-24 | 阿尔卡特朗讯 | Uplink transmission |
| CN102711216A (en) * | 2012-05-08 | 2012-10-03 | 中国联合网络通信集团有限公司 | Transmission resource selection method, user equipment, determining method and access network equipment |
| WO2014019518A1 (en) * | 2012-08-03 | 2014-02-06 | 华为技术有限公司 | Random access method and user equipment |
| CN103582153A (en) * | 2012-08-03 | 2014-02-12 | 华为技术有限公司 | Random access method and user equipment |
| CN104468030A (en) * | 2014-08-26 | 2015-03-25 | 上海华为技术有限公司 | Data transmission method, user equipment and base station |
| WO2016029736A1 (en) * | 2014-08-26 | 2016-03-03 | 华为技术有限公司 | Data transmission method, user equipment and base station |
| CN104468030B (en) * | 2014-08-26 | 2018-06-05 | 上海华为技术有限公司 | A kind of data transmission method, user equipment and base station |
| CN107925605A (en) * | 2015-09-10 | 2018-04-17 | 英特尔Ip公司 | For the random access procedure without cell operation based on wave beam in 5G RAT |
| CN107925605B (en) * | 2015-09-10 | 2021-01-15 | 苹果公司 | Random access procedure for beam-based cell-free operation in 5G RAT |
| CN108696893A (en) * | 2017-04-07 | 2018-10-23 | 中兴通讯股份有限公司 | A kind of method for transmitting uplink data, device, base station and user equipment |
| CN108696893B (en) * | 2017-04-07 | 2023-03-17 | 中兴通讯股份有限公司 | Uplink data sending method, device, base station and user equipment |
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| WO2009100660A1 (en) | 2009-08-20 |
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