CN102938689A - Method and system for controlling uplink closed-loop transmit diversity - Google Patents
Method and system for controlling uplink closed-loop transmit diversity Download PDFInfo
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- CN102938689A CN102938689A CN2011102341454A CN201110234145A CN102938689A CN 102938689 A CN102938689 A CN 102938689A CN 2011102341454 A CN2011102341454 A CN 2011102341454A CN 201110234145 A CN201110234145 A CN 201110234145A CN 102938689 A CN102938689 A CN 102938689A
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- network controller
- transmit diversity
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- loop transmit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
Abstract
The invention discloses a method and a system for controlling uplink closed-loop transmit diversity. The method is characterized in that when a user device is only configured with a special information channel, a wireless network controller makes decisions and sends user plane frames used for activating/deactivating uplink closed-loop transmit diversity to a node B, and the wireless network controller makes decisions and sends control instructions used for activating/deactivating uplink closed-loop transmit diversity to the user device. The method and the system for controlling uplink closed-loop transmit diversity ensure that uplink closed-loop transmit diversity can be activated/deactivated in the condition that the user device is only configured with the special information channel.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of method and system of controlling the uplink closed loop transmit diversity.
Background technology
High Speed Uplink Packet access (HSUPA) is the Enhanced Technology that 3GPP version (Release, R) 6 is introduced, and is intended to improve the transmission rate of up link, is enhancing and expansion to Wideband Code Division Multiple Access (WCDMA) (WCDMA) up-link performance.HSUPA mixes and retransmits (HARQ), improves the up-link transmission performance based on the uplink scheduling of Node B (Node B) and with the more simple multi-code transmission of version before by introducing fast uplink, makes the peak-peak transmission rate of up link can reach 5.76 million per seconds (Mbps).
Multi-antenna technology is by realizing that with many antennas higher power system capacity, wider residential quarter cover and better quality of service at transmitting terminal and/or receiving terminal.Many antennas of transmitting terminal and/or receiving terminal both can be used for realize sending or receive diversity also can be used for the implementation space multiplexing.Wherein, transmit diversity techniques is a kind of anti-fading technology that sends the wireless communication field of at least 2 signals that contain identical information at transmitting terminal.The signal of these carrying identical information derives from least 2 separate signal sources.Transmit diversity techniques according to the structure of its sample value that transmits and statistical property with and shared Radio Resource different, can be divided into space, frequency, large fundamental type of times 3, also can be this 3 types mutually combines.
Whether transmit diversity techniques needs to be divided into open loop transmit diversity modes and closed loop transmit diversity modes to the parameter of transmitting terminal feedback diversity needs according to receiving terminal.Under the open loop transmit diversity modes, receiving terminal is not to any extra information relevant with emission of transmitting terminal feedback, and transmitting terminal can use corresponding coding techniques (for example simple Space-Time coding) to finish transmit diversity voluntarily.Under the closed loop transmit diversity modes, receiving terminal need to use feedback channel to feed back to parameter relevant with transmit diversity of transmitting terminal (required precoding vector of transmit diversity for example, by the indication of precoding indication information), transmitting terminal uses this feedback information to finish transmit diversity after reception.
Reach common understanding in the 3gpp meeting at present: (UE) disposed the high-speed link grouped access channel when subscriber equipment, adopt high-speed shared control channel command to control activation and the deexcitation of uplink closed loop transmit diversity, if but subscriber equipment has only disposed dedicated channel, so just can not adopt high-speed shared control channel command.Therefore how be necessary to study at subscriber equipment and how only disposed in the situation of dedicated channel activation/deactivation uplink closed loop transmit diversity, but also not have definite method at present.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of controlling the uplink closed loop transmit diversity, can activation/deactivation uplink closed loop transmit diversity in the situation of dedicated channel to guarantee only to have disposed at subscriber equipment.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of controlling the uplink closed loop transmit diversity, the method comprises:
When subscriber equipment has only disposed dedicated channel, send the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity by the radio network controller decision-making and to Node B; And, send the control command that is used for activation/deactivation uplink closed loop transmit diversity by the radio network controller decision-making and to subscriber equipment.
Radio network controller decision-making also to the method that Node B sends the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity is:
Radio network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to Node B, Node B knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly;
Radio network controller decision-making and to subscriber equipment send control command take the method for activation/deactivation uplink closed loop transmit diversity as:
Radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to subscriber equipment, subscriber equipment knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out accordingly corresponding data transmission.
Use indication field as described activation indication information in described user's face frame, comprise with a bit representing, be set to represent activation at 1 o'clock, be set to represent deexcitation at 0 o'clock;
Radio network controller is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message to the described message that subscriber equipment sends, and is the message that has existed, or newly-increased message.
The described activation indication information that radio network controller sends is indication field, is used for representing activation/deactivation according to different values, comprise following one of at least:
Indication field Activate represents to activate, and indication field De-activate represents deexcitation;
Perhaps, this indication field represents when existing to activate, and represents deexcitation when not existing;
Perhaps, this indication field represents deexcitation when existing, and represents when not existing to activate.
When subscriber equipment had carried out mobile between radio network controller, the method also comprised:
The service wireless network controller notice floating radio network controller of subscriber equipment sends user's face frame and comes activation/deactivation uplink closed loop transmit diversity, comprise: service wireless network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to floating radio network controller, floating radio network controller knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly.
A kind of system that controls the uplink closed loop transmit diversity, this system comprises radio network controller, Node B, subscriber equipment; Wherein,
Described radio network controller is used for when subscriber equipment has only disposed dedicated channel, and decision-making also sends the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity to Node B; And decision-making also send to be used for the control command of activation/deactivation uplink closed loop transmit diversity to subscriber equipment.
Radio network controller decision-making and when sending the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity to Node B is used for:
In the user's face frame that sends to Node B, carry the activation indication information of uplink closed loop transmit diversity, trigger Node B and know according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carry out corresponding data decode accordingly;
Radio network controller decision-making and when sending control command with activation/deactivation uplink closed loop transmit diversity to subscriber equipment is used for:
In the message that sends to subscriber equipment, carry the activation indication information of uplink closed loop transmit diversity, trigger subscriber equipment and know according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carry out accordingly corresponding data transmission.
Use indication field as described activation indication information in described user's face frame, comprise with a bit representing, be set to represent activation at 1 o'clock, be set to represent deexcitation at 0 o'clock;
Radio network controller is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message to the described message that subscriber equipment sends, and is the message that has existed, or newly-increased message.
The described activation indication information that radio network controller sends is indication field, is used for representing activation/deactivation according to different values, comprise following one of at least:
Indication field Activate represents to activate, and indication field De-activate represents deexcitation;
Perhaps, this indication field represents when existing to activate, and represents deexcitation when not existing;
Perhaps, this indication field represents deexcitation when existing, and represents when not existing to activate.
When subscriber equipment had carried out mobile between radio network controller, radio network controller also was used for:
The service wireless network controller notice floating radio network controller of subscriber equipment sends user's face frame and comes activation/deactivation uplink closed loop transmit diversity, comprise: service wireless network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to floating radio network controller, floating radio network controller knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly.
The present invention controls the technology of uplink closed loop transmit diversity, and guaranteeing only to have disposed at subscriber equipment can activation/deactivation uplink closed loop transmit diversity in the situation of dedicated channel.
Description of drawings
Fig. 1 is the activation indication flow chart that radio network controller sends the uplink closed loop transmit diversity in the embodiment of the invention to Node B;
Fig. 2 is the activation indication flow chart that radio network controller sends the uplink closed loop transmit diversity in the embodiment of the invention to subscriber equipment;
Fig. 3 is the activation indication flow chart that service wireless network controller sends the uplink closed loop transmit diversity in the embodiment of the invention to floating radio network controller;
Fig. 4 is the flow chart that the radio network controller of one embodiment of the invention is dynamically controlled the activation/deactivation of uplink closed loop transmit diversity;
Fig. 5 is the flow chart that the radio network controller of another embodiment of the present invention is dynamically controlled the activation/deactivation of uplink closed loop transmit diversity;
Fig. 6 is the general flow chart of control uplink closed loop transmit diversity in the embodiment of the invention.
Embodiment
Only disposed at subscriber equipment in the situation of dedicated channel, when wanting activation/deactivation uplink closed loop transmit diversity, can have been controlled by radio network controller, adopted further user's face frame to control.As: send the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity by the radio network controller decision-making and to Node B.Method is as follows:
Radio network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to Node B, Node B knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly.
Can use indication field as described activation indication information in described user's face frame, as: represent with a bit, be set to represent in 1 o'clock activate, be set to represent deexcitation at 0 o'clock.
When subscriber equipment had carried out mobile between radio network controller, the service wireless network controller of subscriber equipment can be notified floating radio network controller to send user's face frame to come activation/deactivation uplink closed loop transmit diversity.Method is as follows:
Service wireless network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to floating radio network controller, floating radio network controller knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly.
Can use indication field as described activation indication information in described user's face frame, as: represent with a bit, be set to represent in 1 o'clock activate, be set to represent deexcitation at 0 o'clock.
By radio network controller decision-making and to send control command to subscriber equipment as follows with the method for activation/deactivation uplink closed loop transmit diversity:
Radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to subscriber equipment, subscriber equipment knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out accordingly corresponding data transmission.
Radio network controller can be present existing Uu mouth (interface between radio network controller and the subscriber equipment) message to the described message that subscriber equipment sends, and sets up message, radio bearer reallocation message, activating set updating message, Radio Resource control such as: radio bearer and sets up the message that message etc. has existed.Certainly, also can adopt newly-increased message.
Radio network controller can be indication field by the activation indication information of the uplink closed loop transmit diversity that control signal sends to subscriber equipment, be used for representing activation/deactivation according to different values, as comprise following one of at least: indication field Activate represents to activate, and indication field De-activate represents deexcitation; Represent when perhaps this indication field exists to activate, represent deexcitation when not existing; Represent deexcitation when perhaps this indication field exists, represent when not existing to activate.
The present invention is described in detail below in conjunction with drawings and Examples.
Referring to Fig. 1, Fig. 1 has explained as radio network controller and has indicated flow process to the activation that Node B sends the uplink closed loop transmit diversity, and this flow process comprises the steps:
Radio network controller can be control frame or Frame to the described frame that Node B sends.
Referring to Fig. 2, Fig. 2 has explained radio network controller and has indicated flow process to the activation that subscriber equipment sends the uplink closed loop transmit diversity, and this flow process comprises the steps:
Step 200, radio network controller transmits control message to subscriber equipment, carries the activation indication information of uplink closed loop transmit diversity in this message.
Step 201, subscriber equipment get access to the activation indication information of uplink closed loop transmit diversity, and carry out accordingly the coding of data.
Radio network controller can be present existing Uu mouth message to the described control message that subscriber equipment sends, and sets up message, radio bearer reallocation message, activating set updating message, Radio Resource control such as: radio bearer and sets up message etc.Certainly, also can adopt newly-increased message, as activating indication notice etc.
Referring to Fig. 3, Fig. 3 has explained service wireless network controller and has indicated flow process to the activation that floating radio network controller sends the uplink closed loop transmit diversity, and this flow process comprises the steps:
Step 300, service wireless network controller sends frame to floating radio network controller, carries the activation indication information of uplink closed loop transmit diversity in this frame.
Step 301, floating radio network controller get access to the activation indication information of uplink closed loop transmit diversity, and carry out accordingly the reception of data.
Service wireless network controller can be control frame or Frame to the described frame that floating radio network controller sends.
After floating radio network controller gets access to the activation indication information of uplink closed loop transmit diversity, pass to the Node B that this radio network controller is controlled with activating indication information, decoded accordingly according to the activation situation of uplink closed loop transmit diversity by Node B.
Referring to table 1, table 1 expression radio network controller is to the activation indication information of the uplink closed loop transmit diversity of Node B or subscriber equipment or floating radio network controller transmission.
Wherein, described activation indication information can be indication field, is used for representing activation/deactivation according to different values, represents to activate such as indication field Activate, and indication field De-activate represents deexcitation, shown in table 1-1.
Table 1-1
Perhaps, the activation indication information of uplink closed loop transmit diversity can be indication field, and this indication field represents when existing to activate, and represents deexcitation when not existing, shown in table 1-2.
Table 1-2
Perhaps, the activation indication information of uplink closed loop transmit diversity can be indication field, and this indication field represents deexcitation when existing, and represents when not existing to activate, shown in table 1-3.
Table 1-3
Radio network controller is to Node B, or service wireless network controller is as follows to the method for expressing of the activation indication information of the uplink closed loop transmit diversity of floating radio network controller transmission:
Expand the activation indication that 1 bit position represents the uplink closed loop transmit diversity in the idle bit position of the expansion in frame (Spare Extension): 1 for activating, and 0 is deexcitation.
Referring to Fig. 4, Fig. 4 is the flow chart that radio network controller is dynamically controlled the activation/deactivation of uplink closed loop transmit diversity, and this flow process comprises the steps:
Step 401 if the quality of data that receives is relatively poor, is supported at subscriber equipment to activate the uplink closed loop transmit diversity under the condition of uplink closed loop transmit diversity.
The relatively poor method of the quality of data that evaluation receives has multiple, as the Block Error Rate that receives is perhaps added up retransmission rate and is higher than predetermined threshold value greater than predetermined threshold value.
Referring to Fig. 5, Fig. 5 is the flow chart that radio network controller is dynamically controlled the activation/deactivation of uplink closed loop transmit diversity, and this flow process comprises the steps:
Step 500, the data that the wireless network controller for obtaining subscriber equipment sends.
Step 501, if the quality of data that receives is better, and current user equipment activated the uplink closed loop transmit diversity, so radio network controller deexcitation uplink closed loop transmit diversity.
The quality of data that evaluation receives preferably method has multiplely, as the Block Error Rate that receives is perhaps added up retransmission rate less than predetermined threshold value less than predetermined threshold value.
By above each embodiment as seen, the present invention controls in the system of uplink closed loop transmit diversity, and radio network controller, Node B and subscriber equipment can carry out flow process as shown in Figure 6, and this flow process may further comprise the steps:
Step 610: know that subscriber equipment has only disposed dedicated channel.
Step 620: send the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity by the radio network controller decision-making and to Node B; And, send the control command that is used for activation/deactivation uplink closed loop transmit diversity by the radio network controller decision-making and to subscriber equipment.
In sum as seen, no matter be method or system, the present invention controls the technology of uplink closed loop transmit diversity, and guaranteeing only to have disposed at subscriber equipment can activation/deactivation uplink closed loop transmit diversity in the situation of dedicated channel.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.
Claims (10)
1. method of controlling the uplink closed loop transmit diversity is characterized in that the method comprises:
When subscriber equipment has only disposed dedicated channel, send the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity by the radio network controller decision-making and to Node B; And, send the control command that is used for activation/deactivation uplink closed loop transmit diversity by the radio network controller decision-making and to subscriber equipment.
2. method according to claim 1 is characterized in that,
Radio network controller decision-making also to the method that Node B sends the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity is:
Radio network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to Node B, Node B knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly;
Radio network controller decision-making and to subscriber equipment send control command take the method for activation/deactivation uplink closed loop transmit diversity as:
Radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to subscriber equipment, subscriber equipment knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out accordingly corresponding data transmission.
3. method according to claim 2 is characterized in that,
Use indication field as described activation indication information in described user's face frame, comprise with a bit representing, be set to represent activation at 1 o'clock, be set to represent deexcitation at 0 o'clock;
Radio network controller is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message to the described message that subscriber equipment sends, and is the message that has existed, or newly-increased message.
4. according to claim 2 or 3 described methods, it is characterized in that,
The described activation indication information that radio network controller sends is indication field, is used for representing activation/deactivation according to different values, comprise following one of at least:
Indication field Activate represents to activate, and indication field De-activate represents deexcitation;
Perhaps, this indication field represents when existing to activate, and represents deexcitation when not existing;
Perhaps, this indication field represents deexcitation when existing, and represents when not existing to activate.
5. according to claim 1 to 3 each described methods, it is characterized in that when subscriber equipment had carried out mobile between radio network controller, the method also comprised:
The service wireless network controller notice floating radio network controller of subscriber equipment sends user's face frame and comes activation/deactivation uplink closed loop transmit diversity, comprise: service wireless network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to floating radio network controller, floating radio network controller knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly.
6. a system that controls the uplink closed loop transmit diversity is characterized in that, this system comprises radio network controller, Node B, subscriber equipment; Wherein,
Described radio network controller is used for when subscriber equipment has only disposed dedicated channel, and decision-making also sends the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity to Node B; And decision-making also send to be used for the control command of activation/deactivation uplink closed loop transmit diversity to subscriber equipment.
7. system according to claim 6 is characterized in that,
Radio network controller decision-making and when sending the user's face frame that is used for activation/deactivation uplink closed loop transmit diversity to Node B is used for:
In the user's face frame that sends to Node B, carry the activation indication information of uplink closed loop transmit diversity, trigger Node B and know according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carry out corresponding data decode accordingly;
Radio network controller decision-making and when sending control command with activation/deactivation uplink closed loop transmit diversity to subscriber equipment is used for:
In the message that sends to subscriber equipment, carry the activation indication information of uplink closed loop transmit diversity, trigger subscriber equipment and know according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carry out accordingly corresponding data transmission.
8. system according to claim 7 is characterized in that,
Use indication field as described activation indication information in described user's face frame, comprise with a bit representing, be set to represent activation at 1 o'clock, be set to represent deexcitation at 0 o'clock;
Radio network controller is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message to the described message that subscriber equipment sends, and is the message that has existed, or newly-increased message.
9. according to claim 7 or 8 described systems, it is characterized in that,
The described activation indication information that radio network controller sends is indication field, is used for representing activation/deactivation according to different values, comprise following one of at least:
Indication field Activate represents to activate, and indication field De-activate represents deexcitation;
Perhaps, this indication field represents when existing to activate, and represents deexcitation when not existing;
Perhaps, this indication field represents deexcitation when existing, and represents when not existing to activate.
10. according to claim 6 to 8 each described systems, it is characterized in that when subscriber equipment had carried out mobile between radio network controller, radio network controller also was used for:
The service wireless network controller notice floating radio network controller of subscriber equipment sends user's face frame and comes activation/deactivation uplink closed loop transmit diversity, comprise: service wireless network controller carries the activation indication information of uplink closed loop transmit diversity in the user's face frame that sends to floating radio network controller, floating radio network controller knows according to this activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out corresponding data decode accordingly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234145.4A CN102938689B (en) | 2011-08-16 | 2011-08-16 | A kind of method and system of control uplink closed loop transmitting diversity |
| PCT/CN2012/070992 WO2012155546A1 (en) | 2011-08-16 | 2012-02-09 | Method and system for controlling uplink closed loop transmit diversity |
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| CN201110234145.4A CN102938689B (en) | 2011-08-16 | 2011-08-16 | A kind of method and system of control uplink closed loop transmitting diversity |
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| CN102938689B (en) * | 2011-08-16 | 2017-06-13 | 中兴通讯股份有限公司 | A kind of method and system of control uplink closed loop transmitting diversity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526208A (en) * | 2001-05-15 | 2004-09-01 | 西门子公司 | Closed-loop antenna diversity in a ceullular radio communication system |
| CN101959271A (en) * | 2009-07-16 | 2011-01-26 | 华为技术有限公司 | Method, device and system for configuring transmit diversities |
| US20110026631A1 (en) * | 2009-07-31 | 2011-02-03 | Qualcomm Incorporated | Physical uplink control channel (pucch) resource mapping with transmit diversity |
| CN101998673A (en) * | 2009-08-18 | 2011-03-30 | 中兴通讯股份有限公司 | Method and device for controlling communication between radio network controllers |
| WO2012155546A1 (en) * | 2011-08-16 | 2012-11-22 | 中兴通讯股份有限公司 | Method and system for controlling uplink closed loop transmit diversity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101023602B (en) * | 2004-09-17 | 2012-12-19 | 株式会社Ntt都科摩 | Mobile communication method, mobile station and base station |
| CN101820659A (en) * | 2009-02-26 | 2010-09-01 | 华为技术有限公司 | District diversity mode switching indication and district diversity mode switching method and device |
| CN102035584B (en) * | 2009-09-29 | 2014-04-02 | 华为技术有限公司 | Method for determining uplink transmission diversity mode and communication device |
| CN101801100A (en) * | 2010-03-03 | 2010-08-11 | 华为技术有限公司 | Method and device for activating configuration in LTE system |
-
2011
- 2011-08-16 CN CN201110234145.4A patent/CN102938689B/en not_active Expired - Fee Related
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- 2012-02-09 WO PCT/CN2012/070992 patent/WO2012155546A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526208A (en) * | 2001-05-15 | 2004-09-01 | 西门子公司 | Closed-loop antenna diversity in a ceullular radio communication system |
| CN101959271A (en) * | 2009-07-16 | 2011-01-26 | 华为技术有限公司 | Method, device and system for configuring transmit diversities |
| US20110026631A1 (en) * | 2009-07-31 | 2011-02-03 | Qualcomm Incorporated | Physical uplink control channel (pucch) resource mapping with transmit diversity |
| CN101998673A (en) * | 2009-08-18 | 2011-03-30 | 中兴通讯股份有限公司 | Method and device for controlling communication between radio network controllers |
| WO2012155546A1 (en) * | 2011-08-16 | 2012-11-22 | 中兴通讯股份有限公司 | Method and system for controlling uplink closed loop transmit diversity |
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| CN102938689B (en) | 2017-06-13 |
| WO2012155546A1 (en) | 2012-11-22 |
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