CN102958143A - Method and system for controlling uplink closed transmit diversity - Google Patents
Method and system for controlling uplink closed transmit diversity Download PDFInfo
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- CN102958143A CN102958143A CN2011102375179A CN201110237517A CN102958143A CN 102958143 A CN102958143 A CN 102958143A CN 2011102375179 A CN2011102375179 A CN 2011102375179A CN 201110237517 A CN201110237517 A CN 201110237517A CN 102958143 A CN102958143 A CN 102958143A
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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
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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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
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Abstract
The invention discloses a method and a system for controlling uplink closed transmit diversity. When user equipment is only provided with a dedicated channel, a nodal point B decides and sends a control demand used for indicating to activate/deactivate the uplink closed transmit diversity to a wireless network controller. By the aid of the technology of controlling uplink closed transmit diversity, the uplink closed transmit diversity can be guaranteed to be activated/deactivated under the condition that the user equipment is only provided with the dedicated 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 control command that is used to indicate activation/deactivation uplink closed loop transmit diversity by the Node B decision-making and to radio network controller.
The method also comprises:
Radio network controller is by comprising the signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity that activates indication information, subscriber equipment knows according to the activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out accordingly corresponding data and process.
The message at the signaling place of radio network controller equipment for indicating user activation/deactivation uplink closed loop transmit diversity is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message, the message that has existed, or newly-increased message.
The message at the described control command place that Node B sends is: existing Iub mouth (radio network controller and Node B) message is the message that has existed, or newly-increased message.
When subscriber equipment had carried out mobile between radio network controller, the method also comprised:
The floating radio network controller notification service radio network controller of subscriber equipment sends control command with indication activation/deactivation uplink closed loop transmit diversity, comprise: floating radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to service wireless network controller, by signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity, subscriber equipment carries out corresponding data and sends service wireless network controller accordingly according to this activation indication information of receiving.
The described activation Indication message of floating radio network controller notification service radio network controller uplink closed loop transmit diversity is present existing Iur mouth (interface between service wireless network controller and the floating radio network controller) message, the message that has existed, or newly-increased message.
The described activation indication information of uplink closed loop transmit diversity 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.
A kind of system that controls the uplink closed loop transmit diversity, this system comprises radio network controller, Node B, subscriber equipment; Wherein,
Described Node B sends the control command that is used to indicate activation/deactivation uplink closed loop transmit diversity for decision-making and to radio network controller.
Described radio network controller, also be used for: by comprising the signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity that activates indication information, trigger subscriber equipment and know according to the activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carry out accordingly corresponding data and process.
The message at the signaling place of radio network controller equipment for indicating user activation/deactivation uplink closed loop transmit diversity is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message, the message that has existed, or newly-increased message.
The message at the described control command place that Node B sends is: existing Iub mouth (radio network controller and Node B) message is the message that has existed, or newly-increased message.
When subscriber equipment had carried out mobile between radio network controller, radio network controller also was used for:
The floating radio network controller notification service radio network controller of subscriber equipment sends control command with indication activation/deactivation uplink closed loop transmit diversity, comprise: floating radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to service wireless network controller, service wireless network controller, triggers subscriber equipment and carries out accordingly corresponding data transmission by signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity according to this activation indication information of receiving.
The described activation Indication message of floating radio network controller notification service radio network controller uplink closed loop transmit diversity is present existing Iur mouth (interface between service wireless network controller and the floating radio network controller) message, the message that has existed, or newly-increased message.
The described activation indication information of uplink closed loop transmit diversity 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.
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 Node B sends the uplink closed loop transmit diversity in the embodiment of the invention to radio network controller;
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 floating radio network controller sends the uplink closed loop transmit diversity in the embodiment of the invention to service wireless 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 Node B, adopted further signaling message to control.As: send control command with indication activation/deactivation uplink closed loop transmit diversity by the Node B decision-making and to radio network controller.
And radio network controller can pass through signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity.Subscriber equipment then knows according to the activation indication information of receiving whether the uplink closed loop transmit diversity activates, and encodes accordingly accordingly, carries out data again and sends.
Particularly, can be existing Iub mouth (radio network controller and Node B) message by Node B to the message at the control command place of radio network controller indication activation/deactivation uplink closed loop transmit diversity, such as radio link parameter update message etc.Certainly, also can adopt newly-increased message, as: the uplink closed loop transmit diversity activates Indication message etc.
Particularly, the message at the signaling place of radio network controller equipment for indicating user activation/deactivation uplink closed loop transmit diversity can be present existing Uu mouth (interface between radio network controller and the subscriber equipment) message, 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, as: the uplink closed loop transmit diversity activates Indication message etc.
When subscriber equipment has carried out mobile between radio network controller, the floating radio network controller of subscriber equipment can send control command with indication activation/deactivation uplink closed loop transmit diversity by the notification service radio network controller, method is as follows: floating radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to service wireless network controller, by signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity, subscriber equipment carries out corresponding data and sends service wireless network controller accordingly according to this activation indication information of receiving.
The activation Indication message of floating radio network controller notification service radio network controller uplink closed loop transmit diversity can be present existing Iur mouth (interface between service wireless network controller and the floating radio network controller) message, as: the message that radio link parameter update message etc. has existed.Certainly, also can adopt newly-increased message, as: the uplink closed loop transmit diversity activates Indication message etc.
The activation indication information of uplink closed loop transmit diversity can be indication field, 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 Node B and has indicated flow process to the activation that radio network controller sends the uplink closed loop transmit diversity, and this flow process comprises the steps:
The message that described control message can exist for radio link parameter update message etc.Certainly, also can adopt newly-increased message, as: the uplink closed loop transmit diversity activates Indication message etc.
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:
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 the message that message etc. has existed.Certainly, also can adopt newly-increased message, as activating indication notice etc.
Referring to Fig. 3, Fig. 3 has explained floating radio network controller and has indicated flow process to the activation that service wireless network controller sends the uplink closed loop transmit diversity, and this flow process comprises the steps:
The message that described control message can exist for radio link parameter update message etc.Certainly, also can adopt newly-increased message, as: the uplink closed loop transmit diversity activates Indication message etc.
When practical application, the activation indication information of described uplink closed loop transmit diversity can be indication field, is used for representing activation/deactivation according to different values, represents to activate such as indication field Activate, 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
Referring to Fig. 4, Fig. 4 has explained 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 error rate that receives is greater than certain predetermined threshold value.
Referring to Fig. 5, Fig. 5 has explained 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:
The quality of data that evaluation receives preferably method has multiplely, as the error rate that receives is less than certain 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 control command that is used to indicate activation/deactivation uplink closed loop transmit diversity by the Node B decision-making and to radio network controller.
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 (14)
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 control command that is used to indicate activation/deactivation uplink closed loop transmit diversity by the Node B decision-making and to radio network controller.
2. method according to claim 1 is characterized in that, the method also comprises:
Radio network controller is by comprising the signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity that activates indication information, subscriber equipment knows according to the activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carries out accordingly corresponding data and process.
3. method according to claim 2 is characterized in that,
The message at the signaling place of radio network controller equipment for indicating user activation/deactivation uplink closed loop transmit diversity is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message, the message that has existed, or newly-increased message.
4. method according to claim 1 is characterized in that,
The message at the described control command place that Node B sends is: existing Iub mouth (radio network controller and Node B) message is the message that has existed, or newly-increased message.
5. according to claim 1 to 4 each described methods, it is characterized in that when subscriber equipment had carried out mobile between radio network controller, the method also comprised:
The floating radio network controller notification service radio network controller of subscriber equipment sends control command with indication activation/deactivation uplink closed loop transmit diversity, comprise: floating radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to service wireless network controller, by signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity, subscriber equipment carries out corresponding data and sends service wireless network controller accordingly according to this activation indication information of receiving.
6. method according to claim 5 is characterized in that,
The described activation Indication message of floating radio network controller notification service radio network controller uplink closed loop transmit diversity is present existing Iur mouth (interface between service wireless network controller and the floating radio network controller) message, the message that has existed, or newly-increased message.
7. according to claim 2 to 4 each described methods, it is characterized in that the described activation indication information of uplink closed loop transmit diversity is indication field, be 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.
8. 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 Node B sends the control command that is used to indicate activation/deactivation uplink closed loop transmit diversity for decision-making and to radio network controller.
9. system according to claim 8, it is characterized in that, described radio network controller, also be used for: by comprising the signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity that activates indication information, trigger subscriber equipment and know according to the activation indication information of receiving whether the uplink closed loop transmit diversity activates, and carry out accordingly corresponding data and process.
10. system according to claim 9 is characterized in that,
The message at the signaling place of radio network controller equipment for indicating user activation/deactivation uplink closed loop transmit diversity is present existing Uu mouth (interface between radio network controller and the subscriber equipment) message, the message that has existed, or newly-increased message.
11. system according to claim 8 is characterized in that,
The message at the described control command place that Node B sends is: existing Iub mouth (radio network controller and Node B) message is the message that has existed, or newly-increased message.
12. to 11 each described systems, it is characterized in that according to claim 8 when subscriber equipment had carried out mobile between radio network controller, radio network controller also was used for:
The floating radio network controller notification service radio network controller of subscriber equipment sends control command with indication activation/deactivation uplink closed loop transmit diversity, comprise: floating radio network controller carries the activation indication information of uplink closed loop transmit diversity in the message that sends to service wireless network controller, service wireless network controller, triggers subscriber equipment and carries out accordingly corresponding data transmission by signaling equipment for indicating user activation/deactivation uplink closed loop transmit diversity according to this activation indication information of receiving.
13. system according to claim 12 is characterized in that,
The described activation Indication message of floating radio network controller notification service radio network controller uplink closed loop transmit diversity is present existing Iur mouth (interface between service wireless network controller and the floating radio network controller) message, the message that has existed, or newly-increased message.
14. to 11 each described systems, it is characterized in that according to claim 9 the described activation indication information of uplink closed loop transmit diversity is indication field, be 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102375179A CN102958143A (en) | 2011-08-18 | 2011-08-18 | Method and system for controlling uplink closed transmit diversity |
| PCT/CN2012/070987 WO2012155545A1 (en) | 2011-08-18 | 2012-02-09 | Method and system for controlling uplink closed loop transmit diversity |
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| CN2011102375179A CN102958143A (en) | 2011-08-18 | 2011-08-18 | Method and system for controlling uplink closed transmit diversity |
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| CN1445944A (en) * | 2002-03-18 | 2003-10-01 | 华为技术有限公司 | Method for automatic switching between transmitting diversity and non-transmitting diversity |
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| CN101959271A (en) * | 2009-07-16 | 2011-01-26 | 华为技术有限公司 | Method, device and system for configuring transmit diversities |
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| CN1278505C (en) * | 2002-11-11 | 2006-10-04 | 华为技术有限公司 | Method for realizing function of closed loop emitting diversity in dedicated channel |
| CN102217343A (en) * | 2011-04-29 | 2011-10-12 | 华为技术有限公司 | Transmission method, apparatus and system for uplink transmission diversity |
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- 2011-08-18 CN CN2011102375179A patent/CN102958143A/en active Pending
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|---|---|---|---|---|
| CN1445944A (en) * | 2002-03-18 | 2003-10-01 | 华为技术有限公司 | Method for automatic switching between transmitting diversity and non-transmitting diversity |
| CN101754330A (en) * | 2008-12-04 | 2010-06-23 | 华为技术有限公司 | Multi-input multi-output mode control method, device and 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 |
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| ERICSSON：: ""Corrections to the Primary CPICH Power handling"", 《3GPP TSG-RAN WG3 MEETING #20 R3-011165》 * |
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