CN100431282C - Asynchronous reconfiguration method for physical channel transmitting power of multi wireless links - Google Patents
Asynchronous reconfiguration method for physical channel transmitting power of multi wireless links Download PDFInfo
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- CN100431282C CN100431282C CNB2005100983526A CN200510098352A CN100431282C CN 100431282 C CN100431282 C CN 100431282C CN B2005100983526 A CNB2005100983526 A CN B2005100983526A CN 200510098352 A CN200510098352 A CN 200510098352A CN 100431282 C CN100431282 C CN 100431282C
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Abstract
The present invention discloses an asynchronous reconfiguration method for the physical channel transmitting power of a plurality of wireless links, which is applied to a wireless communication system of time division plus code division multiple access. In the process of asynchronous wireless link reconfiguration, an RNC aims at one or a plurality of wireless links, configures a new transmitting power parameter of a downlink physical channel according to CCTrCH, generates a request message of the asynchronous wireless link reconfiguration by encoding, and transmits the request message to a node B. The message comprises the configuration information of the new transmitting power parameter; after the node B receives the message, the new transmitting power parameter of each wireless link and CCTrCH information corresponding to the new transmitting power parameter of each wireless link are extracted so as to complete the reconfiguration of the transmitting power parameter of each downlink physical channel. The method of the present invention can also configure the new transmitting power parameter of the downlink physical channel of each CCTrCH further according to a time slot for each CCTrCH, which greatly expands the reconfiguration function in the process of the asynchronous wireless link reconfiguration.
Description
Technical field
The present invention relates to the time-division branch multiple access of raising the price and insert wireless telecommunication system, more specifically, relate to the asynchronous reconfiguration method of the physical channel transmitting power of multi wireless links in this system.
Background technology
In the third generation wireless telecommunication system of 3GPP definition, as WCDMA, TD-CDMA, TD-SCDMA system, Radio Resource is by network element radio network controller (RNC) management, and RNC manages the Radio Resource of a UE in a sub-district with the form of Radio Link (Radio Link).At network side, RNC is connected by Iub interface with network element Node B (Node B), and RNC and NodeB carry out information interaction according to the NBAP agreement in the 3GPP standard, to realize the management to the network side radio resource.In the NBAP agreement, the process relevant with Radio Link has processes such as Radio Link foundation, Radio Link increase, radio link reconfiguration and Radio Link deletion, and RNC manages the Radio Link and the Radio Resource thereof of UE special use by these processes.Wherein wireless links reconfiguration course can be divided into synchronized reconfiguration and asynchronous reconfiguration course.
Synchronized radio link reconfiguration procedure is different with the asynchronous wireless links reconfiguration course range of application, and asynchronous wireless links reconfiguration course is applicable to that the switching of the old and new's radio link configuration need not the situation of synchronous switching time.The configurable parameter of asynchronous wireless links synchronized reconfiguration process comprises: the transmit power parameter of the parameter that transmission channel is relevant, the transport format combination set that coded combination transmission channel (CCTrCH) is relevant, the punching limit and down physical channel etc., wherein the transmitting power of down physical channel can reconfigure by modes such as Radio Link, coded combination transmission channel and time slots.
In TDD system (comprising TD-CDMA and TD-SCDMA system), a UE may be established the function of multi wireless links to realize that some is specific in a NodeB, as the switching to the HSDPA Radio Link.Every wireless links may be set up many coded combination transmission channels respectively, and every coded combination transmission channel may be set up physical channel in a plurality of time slot allocation.Like this, in asynchronous wireless links reconfiguration course, just need carry out the asynchronous of physical channel transmitting power by coded combination transmission channel or time slot respectively and reshuffle multi wireless links.Corresponding implementation method is not also proposed in the prior art.
Summary of the invention
The technical problem to be solved in the present invention provides the branch multiple access of raising the price of a kind of time-division and inserts the asynchronous reconfiguration method of the physical channel transmitting power of the multi wireless links in the wireless telecommunication system, in asynchronous wireless links reconfiguration course multi wireless links is carried out the asynchronous of physical channel transmitting power by the coded combination transmission channel and reshuffles to be implemented in.
In order to solve the problems of the technologies described above, the invention provides a kind of asynchronous reconfiguration method of physical channel transmitting power of multi wireless links, be applied to the time-division branch multiple access of raising the price and insert in the wireless telecommunication system, may further comprise the steps:
(a) in asynchronous wireless links reconfiguration course, radio network controller is pressed coded combination transmission channel and the new transmit power parameter of time slot configurating downlink physical channel at one or more Radio Link;
(b) described radio network controller coding generates the asynchronous wireless links reconfiguration request message and sends to Node B, comprises the configuration information of described new transmit power parameter in the message;
(c) after Node B is received described asynchronous wireless links reconfiguration request message, extract the information of the new transmit power parameter of every wireless links and its corresponding codes combination of transmitted channel and time slot, finish reshuffling the transmit power parameter of each down physical channel.
Further, above-mentioned asynchronous reconfiguration method also can have following characteristics: when described step (b) coding generates the asynchronous wireless links reconfiguration request message, set up a coded combination transmission channel modification list information unit for every wireless links that needs are reshuffled, include a Radio Link identification information unit in each list information unit.
As from the foregoing, the inventive method can be implemented in an asynchronous wireless links reconfiguration course carries out the asynchronous function of reshuffling of physical channel transmitting power to multi wireless links by coded combination transmission channel or time slot, has expanded the function of reshuffling of asynchronous wireless links reconfiguration course greatly.
Description of drawings
Fig. 1 is the flow chart of embodiment of the invention method.
Embodiment
The embodiment of the invention is applied to as shown in Figure 1, may further comprise the steps in the TDD wireless telecommunication system of 3GPP definition to the asynchronous reconfiguration method of the physical channel transmitting power of multi wireless links:
In present TDD system, when RNC determines need to carry out the minizone when switching in a NodeB at a UE, RNC can initiate wireless link increment process to Node B, be that a UE sets up two wireless links in same Node B.At this moment, RNC can press the new transmit power parameter value of coded combination transmission channel or time slot configuration down physical channel respectively according to system's needs in asynchronous wireless links reconfiguration course at these two RL.To the TD-SCDMA system, the transmitting power of down physical channel both can also can further be pressed the new transmission power level of time slot configuration by the coded combination transmission channel on the basis of coded combination transmission channel; And for the TD-CDMA system, the transmitting power of down physical channel can be by the new transmission power level of coded combination transmission channel configuration.
In asynchronous wireless links reconfiguration request message (RADIO LINK RECONFIGURATIONREQUEST), revise the list information unit (as DL CCTrCH To Modify Per RL) that needs increase to carry out the modification of coded combination transmission channel according to every RL in (" DL CCTrCH To Modify ") list information unit at downlink coding combination of transmitted channel, in each list information unit, increase Radio Link sign (" RL ID ") information unit newly, with concrete Radio Link in the sign multi wireless links; And comprise CCTrCH maximum downstream transmitting power (" CCTrCH Maximum DLTransmission Power ") information unit and minimum down transmitting power (" CCTrCHMinimum DL Transmission the Power ") information unit of CCTrCH, with the function that realizes pressing coded combination transmission channel configures physical channel emission power;
Simultaneously at the TD-SCDMA system, can also comprise downward special physical channel modification (DLDPCH To Modify LCR) information unit, wherein further comprise descending time slot information (" DLTimeslot Information LCR ") list information unit, comprising timeslot number (" Time SlotLCR "), maximum downstream power (" Maximum DL Power ") and minimum descending power (" MinimumDL Power ") information unit are with the function that realizes pressing time slot configures physical channel emission power.Certainly, above-mentioned power configuration process is the transmission power limit scope of configurating downlink physical channel only, does not directly dispose the concrete transmission power level of each down physical channel.
According to above-mentioned collocation method, " the DL CCTrCH To Modify " information unit in the asynchronous wireless links reconfiguration request message form of present embodiment is as shown in the table:
| DL CCnrCH To Modify | 0..<maxn oofCCTr CHs> | EACH | notify | |||
| ＞CCTrCH ID | M | 9.2.3.3 | - | |||
| ＞TFCS | O | 9.2.1.58 | - | |||
| ＞Puncture Limit | O | 9.2.1.50 | - | |||
| ＞DL CCTrCH To Modify Per RL | 0..<maxn oofRLs> | |||||
| ＞＞DL DPCH To Modify LCR | 0..1 | Applicable to 1.28Mcps TDD only | YES | ignore | ||
| ＞＞＞DL Timeslot Information LCR | 0..<maxn oofDLtsL CR> | - | ||||
| ＞＞＞＞Time Slot LCR | M | 9.2.3.24A | - | |||
| ＞＞＞＞Maximum DL Power | O | DL Power 9.2.1.21 | Maximum allowed power onDPCH | - | ||
| ＞＞＞＞Minimum DL Power | O | DL Power 9.2.1.21 | Minimum allowed power onDPCH | - | ||
| ＞＞CCTrCH Maximum DL Transmission Power | O | DL Power 9.2.1.21 | YES | ignore | ||
| ＞＞CCTrCH Minimum DL Transmission Power | O | DL Power 9.2.1.21 | YES | ignore | ||
| ＞＞RL ID | O | 9.2.1.53 | YES | ignore |
" CCTrCH ID " in the last table, " TFCS " and " Puncture Limit " information unit meaning is respectively a coded combination transmission channel sign, the transport format combination set and the punching limit.
Consider RNC and the compatibility of Node B on the message coding format analysis processing, when the asynchronous wireless links reconfiguration request message is encoded, article one Radio Link and other Radio Link are separately encoded.Article one, Radio Link keeps original coded format (not having DLCCTrCH To Modify Per RL and RL id information unit) when having only a wireless links, and its RL ID is attached to the back in the mode of option; To other Radio Link, employing increases data item in addition in the back in the mode of option, reshuffle relevant supplemental characteristic item comprising all down physical channel transmitting powers of above-mentioned Radio Link, i.e. all information units that comprise in the DL CCTrCH To Modify Per RL information unit.
Claims (4)
1, a kind of asynchronous reconfiguration method of physical channel transmitting power of multi wireless links is applied to the time-division branch multiple access of raising the price and inserts in the wireless telecommunication system, may further comprise the steps:
(a) in asynchronous wireless links reconfiguration course, radio network controller is pressed the new transmit power parameter of coded combination transmission channel and time slot configurating downlink physical channel at one or more Radio Link;
(b) described radio network controller coding generates the asynchronous wireless links reconfiguration request message and sends to Node B, comprises the configuration information of described new transmit power parameter in the message;
(c) after Node B is received described asynchronous wireless links reconfiguration request message, extract the information of the new transmit power parameter of every wireless links and its corresponding codes combination of transmitted channel and time slot, finish reshuffling the transmit power parameter of each down physical channel.
2, asynchronous reconfiguration method as claimed in claim 1, it is characterized in that, when described step (b) coding generates the asynchronous wireless links reconfiguration request message, set up a coded combination transmission channel modification list information unit for every wireless links that needs are reshuffled, include a Radio Link identification information unit in each list information unit.
3, asynchronous reconfiguration method as claimed in claim 2, it is characterized in that, when described step (b) coding generates the asynchronous wireless links reconfiguration request message, also generating in each coded combination transmission channel modification list information unit has downward special physical channel to revise information unit, and this unit further comprises the descending time slot information list information unit that disposes timeslot number, maximum downstream power and minimum descending power.
4, asynchronous reconfiguration method as claimed in claim 1 is characterized in that, when described step (b) coding generates the asynchronous wireless links reconfiguration request message, article one Radio Link and other Radio Link is separately encoded; Article one, Radio Link keeps the coded format when having only a wireless links originally, and the mode that its Radio Link identifies with option is attached to the back; Adopt mode to increase data item in the back to other Radio Link, reshuffle relevant supplemental characteristic item comprising all down physical channel transmitting powers of each Radio Link with option.
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| CN100584094C (en) * | 2006-09-20 | 2010-01-20 | 华为技术有限公司 | Method for configuring E-DCH channel, channel configuration module and user device |
| CN101384069B (en) * | 2007-09-05 | 2011-12-14 | 电信科学技术研究院 | Power control parameter configuring method and related apparatus |
| CN101729987B (en) * | 2008-10-23 | 2012-08-29 | 电信科学技术研究院 | Informing method, system and device of benchmark expected received power initial value |
| CN102026350B (en) * | 2009-09-23 | 2014-08-13 | 中兴通讯股份有限公司 | Method and terminal for power regulation |
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| US20030125069A1 (en) * | 2001-12-28 | 2003-07-03 | Lg Electronics Inc. | Method and apparatus for managing power in a mobile communication system |
| WO2004077850A2 (en) * | 2003-02-27 | 2004-09-10 | Interdigital Technology Corporation | Method for implementing fast-dynamic channel allocation radio resource management procedures |
| EP1460800A2 (en) * | 2003-03-17 | 2004-09-22 | Sharp Kabushiki Kaisha | Network reconfiguration method |
| WO2004086647A2 (en) * | 2003-03-21 | 2004-10-07 | Evolium S.A.S. | Method of improving power control in a mobile radiocommunication system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030125069A1 (en) * | 2001-12-28 | 2003-07-03 | Lg Electronics Inc. | Method and apparatus for managing power in a mobile communication system |
| WO2004077850A2 (en) * | 2003-02-27 | 2004-09-10 | Interdigital Technology Corporation | Method for implementing fast-dynamic channel allocation radio resource management procedures |
| EP1460800A2 (en) * | 2003-03-17 | 2004-09-22 | Sharp Kabushiki Kaisha | Network reconfiguration method |
| WO2004086647A2 (en) * | 2003-03-21 | 2004-10-07 | Evolium S.A.S. | Method of improving power control in a mobile radiocommunication system |
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