CN100388855C - Method for adjusting assistant carrier frequency dynamically in multi-carrier frequency cell - Google Patents
Method for adjusting assistant carrier frequency dynamically in multi-carrier frequency cell Download PDFInfo
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- CN100388855C CN100388855C CNB2004100511465A CN200410051146A CN100388855C CN 100388855 C CN100388855 C CN 100388855C CN B2004100511465 A CNB2004100511465 A CN B2004100511465A CN 200410051146 A CN200410051146 A CN 200410051146A CN 100388855 C CN100388855 C CN 100388855C
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Abstract
The present invention discloses a method for adjusting assistant carrier frequencies dynamically in a multi-carrier frequency cell, which is used in TD-SCDMA net systems. The present invention comprises a first step and a second step. In the first step, an assistant carrier frequency increasing information unit, an assistant carrier frequency modifying information unit or / and an assistant carrier frequency deleting information unit are included in a request message for cell reconfiguration by a wireless network controller, the request message for cell reconfiguration is sent to a node B by the wireless network controller, and thereby, an assistant carrier frequency increasing process, an assistant carrier frequency modifying process or/ and an assistant carrier frequency deleting process are started, wherein the assistant carrier frequency increasing information unit comprises a frequency information unit of assistant carrier frequencies and a time slot configuration information unit of assistant carrier frequencies, the assistant carrier frequency modifying information unit comprises a frequency information unit of assistant carrier frequencies and a time slot configuration information unit of assistant carrier frequencies, and the assistant carrier frequency deleting information unit comprises a frequency information unit of assistant carrier frequencies. In the second step, after the node B receives the request message for cell reconfiguration, the operations of increasing, modifying or / and deleting assistant carrier frequencies are carried out according to the assistant carrier frequency increasing information unit, the assistant carrier frequency modifying information unit or / and the assistant carrier frequency deleting information unit, which are included in the request message for cell reconfiguration. In an area covered by a multi-carrier frequency requiring cell, the method can increase, modify or / and delete assistant carrier frequencies in the.
Description
Technical field:
The present invention relates to district dynamic support overloading method frequently in a kind of wireless telecommunication system, especially relate to a kind of method of in TD_SCDMA standard radio communication system, dynamically adjusting assistant carrier frequency in the multi-carrier frequency cell.
Background technology
The same with other mobile communication system, in order to satisfy the ever-increasing demand in mobile communication market, carrying out in same sectors/cells that overloading covers frequently will be the important means that the TD-SCDMA system increases power system capacity.
A plurality of carrier frequency of present TD-SCDMA (being LCR TDD) standard are independent considerations, be that the Uu interface all carries out separately at a carrier frequency for operation, the configuration of Radio Resource, a Cell has only disposed an absolute frequency point number in the process that IuB interface sub-district is set up; If overloading frequently, then each carrier frequency is taken as a logic district.For example, for the situation of three sectors, three carrier frequency, then thinking has 9 logic district, finishes independently operation at each sub-district, also is that 9 sub-districts send pilot tone and broadcast message separately.Like this, each carrier frequency of multi-carrier frequency system all must configuration one overlap complete common signal channel, and BCH wherein, FACH and PCH are omnidirectional channel.Then multiple carrier frequency base station when actual networking, not only transmitter power is required very high, and, under the situation of identical networking, between carrier frequency the interference of broadcast channel also very serious, the efficient of simultaneity factor is also very low.
At above-mentioned defective, the zone for overloading covers frequently only sends pilot tone and broadcast message on a carrier frequency of cell/section, and a plurality of frequencies use a common broadcast message and pilot channel.Its detailed protocol is: at each sector, determine one as main carrier frequency from N the frequency that is assigned to, in same sector, only send DwPTS on main carrier frequency, UpPTS and broadcast message (TSO).
Set up in process and the message in the sub-district, must comprise the main carrier frequency configuration information and clearly indicate main carrier frequency, and be configured in the common signal channel on the main carrier frequency, can comprise the configuration information of 0 or N assistant carrier frequency.NodeB sends broadcast message on main carrier frequency, comprise the common signal channel configuration on the main carrier frequency and the configuring condition of this sub-district assistant carrier frequency in the broadcast.
Along with the dynamic adjustment of network capacity, need increase dynamically and delete assistant carrier frequency in the sub-district; In addition, because the variation of up-downgoing business demand need distribute the up-downgoing of main carrier frequency and assistant carrier frequency time interval resource and make amendment, but also do not realize the correlated process of these functions in the present standard.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of overloading method frequently of dynamically supporting in the sub-district of overloading frequency overlay area, to satisfy the needs that TD-SCDMA standard radio communication system is dynamically adjusted according to the carrying out of business demand and network capacity.
To achieve these goals, the invention provides the method for dynamically adjusting assistant carrier frequency in a kind of multi-carrier frequency cell, be used for the wireless communication networks system, its characteristics are, comprise the steps:
Step 1, radio network controller are put by the cell re-configuration that sends to Node B (Node B) at it and are comprised assistant carrier frequency increase, assistant carrier frequency modification in request message or/and assistant carrier frequency deletion information unit starts assistant carrier frequency increase, modification or/and delete procedure; Wherein, described assistant carrier frequency increase information unit comprises: the frequency information unit of assistant carrier frequency, the time slot configuration information unit of assistant carrier frequency; Described assistant carrier frequency is revised information unit and is comprised: the frequency information unit of assistant carrier frequency, the time slot configuration information unit of assistant carrier frequency; Assistant carrier frequency deletion information unit comprises: the frequency information unit of assistant carrier frequency;
Step 2, Node B receive described cell re-configuration put request message after, according to the assistant carrier frequency that wherein comprises increase, assistant carrier frequency is revised or/and assistant carrier frequency deletion information unit carries out assistant carrier frequency increase, modification or/and deletion action.
Above-mentioned multi-carrier frequency cell is dynamically adjusted the method for assistant carrier frequency, its characteristics are, receive that described Node B operates the cell re-configuration that successfully returns and put response message if further comprise step 3, described radio network controller, the data that the RRM of the controlled assistant carrier frequency in the described radio network controller is relevant are upgraded; If described radio network controller is received the cell re-configuration that described Node B operation failure returns and put failed message, then do not upgrade the relevant data of RRM in the radio network controller.
Above-mentioned multi-carrier frequency cell is dynamically adjusted the method for assistant carrier frequency, and its characteristics are that the assistant carrier frequency that needs in the described step 1 to increase, revise or/and delete is that the variation according to network capacity demand and business demand is determined in radio network controller.
Above-mentioned multi-carrier frequency cell is dynamically adjusted the method for assistant carrier frequency, its characteristics are, Node B is revised according to the assistant carrier frequency increase, the assistant carrier frequency that wherein comprise or/and assistant carrier frequency deletion information unit, carry out assistant carrier frequency increase, modification or/and deletion action further comprises: comprise assistant carrier frequency and increase information unit if cell re-configuration is put request message, Node B increases by an assistant carrier frequency according to frequency information unit and the time slot configuration information unit that assistant carrier frequency increases the assistant carrier frequency in the information unit in the sub-district; Comprise assistant carrier frequency modification information unit if cell re-configuration is put request message, Node B will be revised the frequency information unit of the assistant carrier frequency in the information unit and assistant carrier frequency is revised in time slot configuration information unit in the sub-district configuration according to assistant carrier frequency; If putting request message, cell re-configuration comprises assistant carrier frequency deletion information unit, Node B will be deleted assistant carrier frequency according to the frequency information that assistant carrier frequency is deleted the assistant carrier frequency in the information unit in the sub-district, and delete all dedicated channels on this assistant carrier frequency, the state of this deleted assistant carrier frequency is set to not exist in the sub-district, all Radio Links relevant with this assistant carrier frequency and node corresponding B communication context in the Node B deletion sub-district, Node B is initiated the release of the transmission bearer of dedicated channel on this assistant carrier frequency in the user plane bearer sub-district simultaneously.
The invention solves in the zone that needs multi-carrier frequency cell to cover, according to the requirement of network capacity and business demand variation, the method for dynamically increase, modification and deletion assistant carrier frequency.Use this invention, can not influence or minimize under the service conditions that has influence on current existence, dynamically adjust network capacity and the variation of satisfying business demand.In addition, use the present invention, when carrying out RRM, satisfying under the cell capacity demand ground prerequisite, can also dynamically delete assistant carrier frequency redundantly, thereby disturb between reducing frequently according to the capacity of sub-district.
Further describe specific embodiments of the invention below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 dynamically supports overloading flow chart frequently;
Fig. 2 is the Iub interface schematic diagram between RNC and the Node B;
Fig. 3 is that assistant carrier frequency is reshuffled and response process figure;
Fig. 4 is assistant carrier frequency increase, modification and deletion and response process figure thereof.
Embodiment:
The invention provides a kind of in the multi-carrier frequency cell overlay area, increase, revise or/and the method for deletion assistant carrier frequency, radio network controller is put by the cell re-configuration that sends to Node B at it and is comprised assistant carrier frequency increase, assistant carrier frequency modification in request message or/and assistant carrier frequency deletion information unit starts assistant carrier frequency increase, modification or/and delete procedure; Node B receives described cell re-configuration put request message after, according to the assistant carrier frequency that wherein comprises increase, assistant carrier frequency is revised or/and assistant carrier frequency deletion information unit carries out assistant carrier frequency increase, modification or/and deletion action.
This method specifically comprises following step, referring to Fig. 1:
Step S100, the needs of determining according to the variation of network capacity demand and business demand in radio network controller in step 1 increase, revise or/and the assistant carrier frequency of deletion.When the network capacity extension and business demand variation, perhaps according to the demand of RRM, in RNC, determine in a multi-carrier frequency cell, to increase or/and delete one or more assistant carrier frequency, or/and revise the configuration of an assistant carrier frequency, and determine the frequency of the assistant carrier frequency that relates to according to the frequency resource that Virtual network operator provides.For the assistant carrier frequency configuration modification, need to determine the content of modification.
Step S110, by the Node B control port on the Iub interface, radio network controller sends the cell re-configuration request of putting (CELL RECONFIGURATION REQUEST) message to Node B, and in message, comprise assistant carrier frequency increase, assistant carrier frequency modification, thereby start assistant carrier frequency increase, modification or/and delete procedure or/and assistant carrier frequency is deleted information unit.This process can increase by put the assistant carrier frequency that increases in the request message below comprising at existing cell re-configuration, assistant carrier frequency is revised or/and assistant carrier frequency deletion information unit is realized:
The assistant carrier frequency information unit (UARFCN Information To Add LCR IE) that increases: in this information unit, further comprise the frequency information unit (UARFCN IE) of assistant carrier frequency, the time slot configuration information unit of assistant carrier frequency (Time Slot Configuration LCR IE).
The assistant carrier frequency information unit of revising (UARFCN Information To Modify LCR IE): in this information unit, further comprise the frequency information unit (UARFCN IE) of assistant carrier frequency, the time slot configuration information unit of assistant carrier frequency (Time Slot Configuration LCR IE).
The assistant carrier frequency information unit (UARFCN Information To Delete LCR IE) of deletion: the frequency information unit (UARFCN IE) that in this information unit, further comprises assistant carrier frequency.
Step S120, Node B receives described cell re-configuration put request message after, according to the assistant carrier frequency that wherein comprises increase, assistant carrier frequency is revised or/and assistant carrier frequency deletion information unit carries out assistant carrier frequency increase, modification or/and deletion action.If CELL RECONFIGURATION REQUEST message comprises UARFCNInformation To Add LCR IE, Node B will increase assistant carrier frequency according to the frequency information of the assistant carrier frequency of indicating among the UARFCN Information To Add LCRIE and the configuration information of time slot in this sub-district; If CELL RECONFIGURATION REQUEST message comprises UARFCN Information To Modify LCRIE, Node B will be revised the configuration of this assistant carrier frequency according to the configuration information of the frequency information of the assistant carrier frequency of indicating among the UARFCN Information To Modify LCR IE and time slot in this sub-district; If CELLRECONFIGURATION REQUEST message comprises UARFCN Information To Delete LCR IE, Node B will be deleted this assistant carrier frequency according to the frequency information of the assistant carrier frequency of indicating among the UARFCN Information To Delete LCR IE in this sub-district, and delete all dedicated channels on this assistant carrier frequency, the state of this deleted assistant carrier frequency is set to not exist in the sub-district.Node B will delete all Radio Links relevant with this assistant carrier frequency and corresponding N ode B communication context in the sub-district.Node B also can initiate the release of the transmission bearer of dedicated channel on this assistant carrier frequency in the user plane bearer sub-district simultaneously.
Step S130, further, if Node B is carried out assistant carrier frequency increase, modification or/and deletion action is successful, the cell re-configuration that then returns is put response message; Otherwise, return cell re-configuration and put failed message.
Step S140 if RNC receives that described Node B operates the cell re-configuration that successfully returns and puts response message, upgrades the data that the RRM of the controlled assistant carrier frequency among the RNC is relevant; If RNC receives the cell re-configuration that Node B operation failure returns and puts failed message, then do not upgrade the relevant data of RRM in the radio network controller.
Multi-carrier frequency cell of the present invention is dynamically adjusted assistant carrier frequency and also can be realized by following technical scheme: by increase assistant carrier frequency increase in the NBAP on the IuB interface between RNC and NODE B (the Node B Application Part) agreement, modification or/and delete procedure realize, perhaps increase the assistant carrier frequency reconfiguration course and realize, the increase, modification that comprise assistant carrier frequency in the assistant carrier frequency reconfiguration course are or/and delete procedure (as Fig. 2, Fig. 3 and shown in Figure 4).
If increase assistant carrier frequency, then RNC sends assistant carrier frequency by the Node B control port on the Iub interface to Node B increases request message, perhaps assistant carrier frequency reconfiguration request message, and comprise assistant carrier frequency in the assistant carrier frequency reconfiguration request message and increase information unit, process increased thereby start assistant carrier frequency.
In assistant carrier frequency increase or assistant carrier frequency reconfiguration request message, the affiliated cell identity information unit (C-ID IE) of assistant carrier frequency that must comprise increase, indicate the frequency information unit (UARFCN IE) of the frequency attribute of this assistant carrier frequency and the time slot configuration information unit of assistant carrier frequency (Time Slot Configuration LCRIE).
If modification assistant carrier frequency, then RNC sends the assistant carrier frequency modify request messages by the Node B control port on the Iub interface to Node B, perhaps assistant carrier frequency reconfiguration request message, and comprise assistant carrier frequency in the assistant carrier frequency reconfiguration request message and revise information unit, thereby the assistant carrier frequency modification process started.
In assistant carrier frequency modification or assistant carrier frequency reconfiguration request message, the affiliated cell identity information unit (C-ID IE) of assistant carrier frequency that must comprise modification, the frequency information unit (UARFCN IE) of the frequency attribute of indication assistant carrier frequency and the time slot configuration information unit (Time Slot Configuration LCRIE) of assistant carrier frequency.
If deletion assistant carrier frequency, then RNC sends the assistant carrier frequency deletion request message by the Node B control port on the Iub interface to Node B, perhaps assistant carrier frequency reconfiguration request message, and comprise assistant carrier frequency deletion information unit in the assistant carrier frequency reconfiguration request message, thus start the assistant carrier frequency delete procedure.
In assistant carrier frequency deletion or assistant carrier frequency reconfiguration request message, must comprise the affiliated cell identity information unit (C-ID IE) of assistant carrier frequency of deletion, and the frequency information unit (UARFCN IE) of the frequency attribute of indication assistant carrier frequency.
Receive that at Node B assistant carrier frequency increase, modification are or/and deletion request message perhaps after the assistant carrier frequency reconfiguration request message, carries out assistant carrier frequency increase, modification or/and deletion action according to the parameter in the message.If operate successfully, Node B returns assistant carrier frequency to be increased, revises or/and deletion response message, perhaps assistant carrier frequency reconfiguration response message; Increase, revise or/and the deletion failed message if operation failure, Node B return assistant carrier frequency, perhaps assistant carrier frequency reconfiguration failure message, and in failed message, comprise failure cause information unit (Cause)
In RNC, if what receive is that assistant carrier frequency increases, revises or/and the deletion response message perhaps after the assistant carrier frequency reconfiguration response message, then upgrades the relevant data of the RRM of the controlled assistant carrier frequency among the RNC; If what receive is that assistant carrier frequency increases, revises or/and the deletion failed message, perhaps assistant carrier frequency reconfiguration failure message is not then upgraded the relevant data of RRM in the radio network controller.
Foregoing only is an optimum implementation of the present invention, and it is not to be used for limiting the specific embodiment of the present invention, and all modification and changes of carrying out according to the main inventive concept of this method all should belong to the desired protection range of claims of the present invention.
Claims (4)
1. dynamically adjust the method for assistant carrier frequency in the multi-carrier frequency cell, be used for the wireless communication networks system, it is characterized in that, comprise the steps:
Step 1, radio network controller are put by the cell re-configuration that sends to Node B at it and are comprised assistant carrier frequency increase, assistant carrier frequency modification in request message or/and assistant carrier frequency deletion information unit starts assistant carrier frequency increase, modification or/and delete procedure; Wherein, described assistant carrier frequency increase information unit comprises: the frequency information unit of assistant carrier frequency, the time slot configuration information unit of assistant carrier frequency; Described assistant carrier frequency is revised information unit and is comprised: the frequency information unit of assistant carrier frequency, the time slot configuration information unit of assistant carrier frequency; Assistant carrier frequency deletion information unit comprises: the frequency information unit of assistant carrier frequency;
Step 2, Node B receive described cell re-configuration put request message after, according to the assistant carrier frequency that wherein comprises increase, assistant carrier frequency is revised or/and assistant carrier frequency deletion information unit carries out assistant carrier frequency increase, modification or/and deletion action.
2. dynamically adjust the method for assistant carrier frequency in the multi-carrier frequency cell according to claim 1, it is characterized in that, receive that described Node B operates the cell re-configuration that successfully returns and put response message if further comprise step 3, described radio network controller, the data that the RRM of the controlled assistant carrier frequency in the described radio network controller is relevant are upgraded; If described radio network controller is received the cell re-configuration that described Node B operation failure returns and put failed message, then do not upgrade the relevant data of RRM in the radio network controller.
3. dynamically adjust the method for assistant carrier frequency in the multi-carrier frequency cell according to claim 1 and 2, it is characterized in that the assistant carrier frequency that needs in the described step 1 to increase, revise or delete is that the variation according to network capacity demand and business demand is determined in radio network controller.
4. multi-carrier frequency cell according to claim 1 is dynamically adjusted the method for assistant carrier frequency, it is characterized in that, in step 2, Node B puts according to cell re-configuration that the assistant carrier frequency that comprises in the request message increases, assistant carrier frequency is revised or/and assistant carrier frequency deletion information unit, carries out assistant carrier frequency increase, modification or/and deletion action further comprises:
Comprise assistant carrier frequency increase information unit if cell re-configuration is put request message, Node B increases by an assistant carrier frequency according to frequency information unit and the time slot configuration information unit that assistant carrier frequency increases the assistant carrier frequency in the information unit in the sub-district;
Comprise assistant carrier frequency modification information unit if cell re-configuration is put request message, Node B is revised the frequency information unit of the assistant carrier frequency in the information unit and assistant carrier frequency is revised in time slot configuration information unit in the sub-district configuration according to assistant carrier frequency;
If putting request message, cell re-configuration comprises assistant carrier frequency deletion information unit, Node B is deleted assistant carrier frequency according to the frequency information of the assistant carrier frequency in the assistant carrier frequency deletion information unit in the sub-district, and delete all dedicated channels on this assistant carrier frequency, the state of this deleted assistant carrier frequency is set to not exist in the sub-district, all Radio Links relevant with this assistant carrier frequency and node corresponding B communication context in the Node B deletion sub-district, Node B is initiated the release of the transmission bearer of dedicated channel on this assistant carrier frequency in the user plane bearer sub-district simultaneously.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100511465A CN100388855C (en) | 2004-08-14 | 2004-08-14 | Method for adjusting assistant carrier frequency dynamically in multi-carrier frequency cell |
| KR1020077002229A KR101098409B1 (en) | 2004-06-29 | 2004-12-21 | A method for adjusting dynamically subsidiary carrier frequency in the multiple carrier frequencies cell |
| EP04802501A EP1768291A4 (en) | 2004-06-29 | 2004-12-21 | A method for adjusting dynamically subsidiary carrier frequency in the multiple carrier frequencies cell |
| PCT/CN2004/001488 WO2006000135A1 (en) | 2004-06-29 | 2004-12-21 | A method for adjusting dynamically subsidiary carrier frequency in the multiple carrier frequencies cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100511465A CN100388855C (en) | 2004-08-14 | 2004-08-14 | Method for adjusting assistant carrier frequency dynamically in multi-carrier frequency cell |
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| CN1735259A CN1735259A (en) | 2006-02-15 |
| CN100388855C true CN100388855C (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100511465A Expired - Fee Related CN100388855C (en) | 2004-06-29 | 2004-08-14 | Method for adjusting assistant carrier frequency dynamically in multi-carrier frequency cell |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388826C (en) * | 2006-02-23 | 2008-05-14 | 中兴通讯股份有限公司 | Node B application part public process parallel processing method |
| CN101616419B (en) * | 2008-06-24 | 2012-04-25 | 展讯通信（上海）有限公司 | Method and device for collocating and selecting transmission frequency band |
| CN101378332B (en) * | 2008-09-23 | 2011-01-19 | 中兴通讯股份有限公司 | Method and apparatus for configuring business |
| CN103281782B (en) | 2009-01-23 | 2016-08-24 | 华为技术有限公司 | Uplink carrier frequencies management method, equipment and system |
| CN101790187A (en) * | 2009-01-24 | 2010-07-28 | 华为技术有限公司 | Method, device and system for maintaining active set |
| WO2010085912A1 (en) * | 2009-02-02 | 2010-08-05 | 华为技术有限公司 | Method, apparatus and system for the control of auxiliary carriers |
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| US6188717B1 (en) * | 1996-11-19 | 2001-02-13 | Deutsche Forschungsanstalt Fur Luft-Und Raumfahrt E.V. | Method of simultaneous radio transmission of digital data between a plurality of subscriber stations and a base station |
| CN1357179A (en) * | 1999-04-19 | 2002-07-03 | 艾利森电话股份有限公司 | System and method for implementing multiple carriers in cellular networks |
| CN1430429A (en) * | 2001-12-30 | 2003-07-16 | 华为技术有限公司 | Interference reducing method of frequency dirision duplex and time dirision duplex multi carrier adjacent frequency time |
| WO2003061316A1 (en) * | 2002-01-17 | 2003-07-24 | Siemens Aktiengesellschaft | Radio communication system |
| WO2004039114A2 (en) * | 2002-10-24 | 2004-05-06 | Siemens Aktiengesellschaft | Method for radio system resource management |
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- 2004-08-14 CN CNB2004100511465A patent/CN100388855C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6188717B1 (en) * | 1996-11-19 | 2001-02-13 | Deutsche Forschungsanstalt Fur Luft-Und Raumfahrt E.V. | Method of simultaneous radio transmission of digital data between a plurality of subscriber stations and a base station |
| CN1357179A (en) * | 1999-04-19 | 2002-07-03 | 艾利森电话股份有限公司 | System and method for implementing multiple carriers in cellular networks |
| CN1430429A (en) * | 2001-12-30 | 2003-07-16 | 华为技术有限公司 | Interference reducing method of frequency dirision duplex and time dirision duplex multi carrier adjacent frequency time |
| WO2003061316A1 (en) * | 2002-01-17 | 2003-07-24 | Siemens Aktiengesellschaft | Radio communication system |
| WO2004039114A2 (en) * | 2002-10-24 | 2004-05-06 | Siemens Aktiengesellschaft | Method for radio system resource management |
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