CN102938689B - A kind of method and system of control uplink closed loop transmitting diversity - Google Patents
A kind of method and system of control uplink closed loop transmitting diversity Download PDFInfo
- Publication number
- CN102938689B CN102938689B CN201110234145.4A CN201110234145A CN102938689B CN 102938689 B CN102938689 B CN 102938689B CN 201110234145 A CN201110234145 A CN 201110234145A CN 102938689 B CN102938689 B CN 102938689B
- Authority
- CN
- China
- Prior art keywords
- closed loop
- transmit diversity
- network controller
- uplink closed
- loop transmit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000004913 activation Effects 0.000 claims abstract description 118
- 230000009849 deactivation Effects 0.000 claims abstract description 38
- 230000003213 activating effect Effects 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and system of control uplink closed loop transmitting diversity, when user equipment is only configured with dedicated channel, the user plane frame for activation/deactivation uplink closed loop transmitting diversity is sent from radio network controller decision-making and to node B；And, the control command for activation/deactivation uplink closed loop transmitting diversity is sent from radio network controller decision-making and to user equipment.The technology of present invention control uplink closed loop transmitting diversity, it is ensured that being capable of activation/deactivation uplink closed loop transmitting diversity in the case where user equipment is only configured with dedicated channel.
Description
Technical Field
The invention relates to the field of communication, in particular to a method and a system for controlling uplink closed-loop transmit diversity.
Background
High Speed Uplink Packet Access (HSUPA) is an enhanced technology introduced by 3GPP Release (R) 6, aiming at improving the transmission rate of the uplink, and is an enhancement and extension to the performance of Wideband Code Division Multiple Access (WCDMA) uplink systems. HSUPA improves uplink system transmission performance by introducing fast uplink hybrid retransmission (HARQ), node b (node b) based uplink scheduling, and simpler multi-code transmission than previous versions, so that the maximum peak transmission rate of the uplink can reach 5.76 million per second (Mbps).
The multi-antenna technology achieves higher system capacity, wider cell coverage, and better quality of service by using multiple antennas at the transmitting end and/or the receiving end. Multiple antennas at the transmitting end and/or the receiving end can be used to implement transmit or receive diversity as well as spatial multiplexing. The transmit diversity technique is an anti-fading technique in the field of wireless communication in which at least 2 signals containing the same information are transmitted at a transmitting end. These signals carrying the same information originate from at least 2 mutually independent signal sources. The transmit diversity technique can be divided into basic types of 3 types of space, frequency and time according to the structure and statistical characteristics of the transmitted signal sample and the difference of the wireless resources occupied by the transmit diversity technique, and the basic types can also be the combination of the 3 types.
The transmit diversity technology is divided into an open-loop transmit diversity mode and a closed-loop transmit diversity mode according to whether a receiving end needs to feed back parameters needed by diversity to a transmitting end. In the open-loop transmit diversity mode, the receiving end does not feed back any additional information related to transmission to the transmitting end, and the transmitting end can use a corresponding coding technique (such as simple space-time coding) to complete transmit diversity. In the closed-loop transmit diversity mode, the receiving end needs to use a feedback channel to feed back a parameter (e.g., a precoding vector required by transmit diversity, indicated by precoding indication information) related to transmit diversity to the transmitting end, and the transmitting end uses the feedback information to complete transmit diversity after receiving.
There is currently consensus established at the 3gpp conference: when a User Equipment (UE) configures a high speed link packet access channel, a high speed shared control channel command is used for controlling the activation and deactivation of uplink closed loop transmit diversity, but if the UE only configures a dedicated channel, the high speed shared control channel command cannot be used. Therefore, it is necessary to study how to activate/deactivate uplink closed loop transmit diversity in the case that the user equipment is configured with only dedicated channels, but there is no established method at present.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a method and a system for controlling uplink closed loop transmit diversity, so as to ensure that the uplink closed loop transmit diversity can be activated/deactivated in the case that the user equipment is configured with only dedicated channels.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method of controlling uplink closed loop transmit diversity, the method comprising:
when the user equipment is only configured with a dedicated channel, a wireless network controller decides and sends a user plane frame for activating/deactivating the uplink closed loop transmit diversity to a node B; and deciding and sending a control command for activating/deactivating the uplink closed loop transmit diversity to the user equipment by the radio network controller.
The method for the radio network controller to decide and send the user plane frame for activating/deactivating the uplink closed loop transmit diversity to the node B comprises the following steps:
the wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the node B, and the node B learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and performs corresponding data decoding according to the activation indication information;
the method for the wireless network controller to decide and send a control command to the user equipment to activate/deactivate the uplink closed loop transmit diversity comprises the following steps:
the wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a message sent to the user equipment, and the user equipment learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and sends corresponding data according to the activation indication information.
The user plane frame uses an indication field as the activation indication information, and comprises a bit for representing, when the bit is set to be 1, the activation is represented, and when the bit is set to be 0, the deactivation is represented;
the message sent by the rnc to the ue is an existing Uu interface (interface between the rnc and the ue) message, an existing message, or a new message.
The activation indication information sent by the radio network controller is an indication field, is used for representing activation/deactivation according to different values, and includes at least one of the following:
the indication field active represents activation, and the indication field De-active represents deactivation;
or, the indication field represents activation when existing, and represents deactivation when not existing;
alternatively, the presence of the indication field indicates deactivation, and the absence indicates activation.
When the user equipment moves between the radio network controllers, the method also comprises the following steps:
the method for the service wireless network controller of the user equipment to inform the drift wireless network controller to send the user plane frame to activate/deactivate the uplink closed loop transmit diversity includes: the service wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the drift wireless network controller, and the drift wireless network controller learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and carries out corresponding data decoding according to the activation indication information.
A system for controlling uplink closed loop transmit diversity comprises a wireless network controller, a node B and user equipment; wherein,
the wireless network controller is used for deciding and sending a user plane frame for activating/deactivating the uplink closed loop transmit diversity to the node B when the user equipment is only configured with a special channel; and deciding and sending a control command for activating/deactivating the uplink closed loop transmit diversity to the user equipment.
When the radio network controller decides and sends a user plane frame for activating/deactivating uplink closed loop transmit diversity to the node B, the radio network controller is configured to:
carrying activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the node B, triggering the node B to know whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information, and decoding corresponding data according to the activation indication information;
when the radio network controller decides and sends a control command to the user equipment to activate/deactivate the uplink closed loop transmit diversity, the radio network controller is used for:
the message sent to the user equipment carries the activation indication information of the uplink closed loop transmit diversity, and triggers the user equipment to know whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information, and accordingly corresponding data sending is carried out.
The user plane frame uses an indication field as the activation indication information, and comprises a bit for representing, when the bit is set to be 1, the activation is represented, and when the bit is set to be 0, the deactivation is represented;
the message sent by the rnc to the ue is an existing Uu interface (interface between the rnc and the ue) message, an existing message, or a new message.
The activation indication information sent by the radio network controller is an indication field, is used for representing activation/deactivation according to different values, and includes at least one of the following:
the indication field active represents activation, and the indication field De-active represents deactivation;
or, the indication field represents activation when existing, and represents deactivation when not existing;
alternatively, the presence of the indication field indicates deactivation, and the absence indicates activation.
When the user equipment moves between the radio network controllers, the radio network controller is further configured to:
the method for the service wireless network controller of the user equipment to inform the drift wireless network controller to send the user plane frame to activate/deactivate the uplink closed loop transmit diversity includes: the service wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the drift wireless network controller, and the drift wireless network controller learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and carries out corresponding data decoding according to the activation indication information.
The technology for controlling the uplink closed loop transmit diversity ensures that the uplink closed loop transmit diversity can be activated/deactivated under the condition that the user equipment is only configured with a special channel.
Drawings
Fig. 1 is a flowchart illustrating a radio network controller sending an activation instruction of uplink closed-loop transmit diversity to a node B according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a radio network controller sending an activation indication of uplink closed-loop transmit diversity to a ue according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a procedure for a serving rnc to send an uplink closed loop transmit diversity activation indication to a drift rnc according to an embodiment of the present invention;
fig. 4 is a flowchart of a radio network controller dynamically controlling activation/deactivation of uplink closed-loop transmit diversity according to an embodiment of the present invention;
fig. 5 is a flowchart of a radio network controller dynamically controlling activation/deactivation of uplink closed loop transmit diversity according to another embodiment of the present invention;
fig. 6 is a simplified flowchart of controlling uplink closed-loop transmit diversity according to an embodiment of the present invention.
Detailed Description
In the case that the user equipment is configured with only dedicated channels, when the uplink closed loop transmit diversity is to be activated/deactivated, the control may be performed by a radio network controller, and further, a user plane frame is used for the control. Such as: and the wireless network controller decides and sends a user plane frame for activating/deactivating the uplink closed loop transmit diversity to the node B. The method comprises the following steps:
the wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the node B, and the node B learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and performs corresponding data decoding according to the activation indication information.
An indication field may be used in the user plane frame as the activation indication information, such as: and a bit is used for representing activation when the bit is set to be 1, and the bit is set to be 0 for representing deactivation.
When the ue moves between the rncs, the serving rnc of the ue may notify the drift rnc to send a user plane frame to activate/deactivate uplink closed loop transmit diversity. The method comprises the following steps:
the service wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the drift wireless network controller, and the drift wireless network controller learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and carries out corresponding data decoding according to the activation indication information.
An indication field may be used in the user plane frame as the activation indication information, such as: and a bit is used for representing activation when the bit is set to be 1, and the bit is set to be 0 for representing deactivation.
The method for the radio network controller to decide and send a control command to the user equipment to activate/deactivate the uplink closed loop transmit diversity is as follows:
the wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a message sent to the user equipment, and the user equipment learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and sends corresponding data according to the activation indication information.
The message sent by the rnc to the ue may be a currently existing Uu interface (interface between the rnc and the ue) message, such as: a radio bearer setup message, a radio bearer reconfiguration message, an active set update message, a radio resource control setup message, etc. already existing messages. Of course, newly added messages may also be employed.
The activation indication information of the uplink closed loop transmit diversity sent by the radio network controller to the user equipment through the control signaling may be an indication field, which is used to indicate activation/deactivation according to different values, for example, the activation indication information includes at least one of the following: the indication field active represents activation, and the indication field De-active represents deactivation; or the indication field represents activation when existing and represents deactivation when not existing; or the presence of the indication field indicates deactivation and the absence indicates activation.
The present invention will be described in detail below with reference to the drawings and examples.
Referring to fig. 1, fig. 1 shows a procedure for a radio network controller to send an activation indication of uplink closed loop transmit diversity to a node B, where the procedure includes the following steps:
step 100, the radio network controller sends a frame to the node B, where the frame carries the activation indication information of the uplink closed loop transmit diversity.
Step 101, a node B acquires uplink closed loop transmit diversity activation indication information, and decodes data according to the uplink closed loop transmit diversity activation indication information.
The frame transmitted by the radio network controller to the node B may be a control frame or a data frame.
Referring to fig. 2, fig. 2 shows a procedure for a radio network controller to send an activation indication of uplink closed loop transmit diversity to a user equipment, where the procedure includes the following steps:
step 200, the wireless network controller sends a control message to the user equipment, wherein the message carries the activation indication information of the uplink closed loop transmit diversity.
Step 201, the user equipment acquires the activation indication information of the uplink closed loop transmit diversity, and encodes data according to the activation indication information.
The control message sent by the rnc to the ue may be an existing Uu port message, such as: a radio bearer setup message, a radio bearer reconfiguration message, an active set update message, a radio resource control setup message, etc. Of course, newly added messages, such as activation indication notifications, etc., may also be employed.
Referring to fig. 3, fig. 3 shows a procedure of sending, by a serving radio network controller, an activation indication of uplink closed loop transmit diversity to a drift radio network controller, where the procedure includes the following steps:
step 300, the serving radio network controller sends a frame to the drift radio network controller, and the frame carries the activation indication information of the uplink closed loop transmit diversity.
Step 301, the drift radio network controller obtains activation indication information of the uplink closed loop transmit diversity, and receives data according to the activation indication information.
The frame sent by the serving radio network controller to the drift radio network controller may be a control frame or a data frame.
After acquiring the activation indication information of the uplink closed-loop transmit diversity, the drift radio network controller transmits the activation indication information to a node B controlled by the radio network controller, and the node B performs corresponding decoding according to the activation condition of the uplink closed-loop transmit diversity.
Referring to table 1, table 1 shows activation indication information of uplink closed loop transmit diversity transmitted by a radio network controller to a node B or a user equipment or a drift radio network controller.
The activation indication information may be an indication field, and is used to represent activation/deactivation according to different values, for example, the indication field active represents activation, and the indication field De-active represents deactivation, as shown in table 1-1.
TABLE 1-1
Or, the activation indication information of the uplink closed loop transmit diversity may be an indication field, where the presence of the indication field indicates activation, and the absence of the indication field indicates deactivation, as shown in table 1-2.
Tables 1 to 2
Or, the activation indication information of the uplink closed loop transmit diversity may be an indication field, where the presence of the indication field indicates deactivation, and the absence of the indication field indicates activation, as shown in tables 1 to 3.
Tables 1 to 3
The method for expressing the activation indication information of the uplink closed loop transmit diversity sent to the node B by the radio network controller or the drift radio network controller by the service radio network controller is as follows:
1 bit is expanded from an expanded idle bit (Spare Extension) in a frame to represent an activation indication of uplink closed loop transmit diversity: 1 is active and 0 is inactive.
Referring to fig. 4, fig. 4 is a flowchart of a radio network controller dynamically controlling activation/deactivation of uplink closed loop transmit diversity, where the flowchart includes the following steps:
in step 400, the rnc obtains data sent by the ue.
Step 401, if the received data quality is poor, activating the uplink closed loop transmit diversity under the condition that the user equipment supports the uplink closed loop transmit diversity.
There are various methods for evaluating the poor quality of the received data, for example, the received block error rate is greater than a preset threshold, or the statistical retransmission rate is greater than a preset threshold.
Referring to fig. 5, fig. 5 is a flowchart of a radio network controller dynamically controlling activation/deactivation of uplink closed loop transmit diversity, where the flowchart includes the following steps:
in step 500, the rnc obtains data sent by the ue.
Step 501, if the received data quality is good and the current user equipment has activated the uplink closed loop transmit diversity, the radio network controller deactivates the uplink closed loop transmit diversity.
There are various methods for evaluating the received data quality, for example, the received block error rate is smaller than a preset threshold, or the statistical retransmission rate is smaller than a preset threshold.
As can be seen from the above embodiments, in the system for controlling uplink closed loop transmit diversity according to the present invention, the radio network controller, the node B, and the user equipment can perform the process shown in fig. 6, where the process includes the following steps:
step 610: it is known that the user equipment is only configured with dedicated channels.
Step 620: a wireless network controller decides and sends a user plane frame for activating/deactivating uplink closed loop transmit diversity to a node B; and deciding and sending a control command for activating/deactivating the uplink closed loop transmit diversity to the user equipment by the radio network controller.
In summary, the technology for controlling uplink closed loop transmit diversity of the present invention, regardless of the method or the system, ensures that the uplink closed loop transmit diversity can be activated/deactivated under the condition that the user equipment is only configured with a dedicated channel.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A method for controlling uplink closed loop transmit diversity, the method comprising:
when the user equipment is only configured with a dedicated channel, a wireless network controller decides and sends a user plane frame for activating/deactivating the uplink closed loop transmit diversity to a node B; and deciding and sending a control command for activating/deactivating the uplink closed loop transmit diversity to the user equipment by the radio network controller.
2. The method of claim 1,
the method for the radio network controller to decide and send the user plane frame for activating/deactivating the uplink closed loop transmit diversity to the node B comprises the following steps:
the wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the node B, and the node B learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and performs corresponding data decoding according to the activation indication information;
the method for the wireless network controller to decide and send a control command to the user equipment to activate/deactivate the uplink closed loop transmit diversity comprises the following steps:
the wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a message sent to the user equipment, and the user equipment learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and sends corresponding data according to the activation indication information.
3. The method of claim 2,
the user plane frame uses an indication field as the activation indication information, and comprises a bit for representing, when the bit is set to be 1, the activation is represented, and when the bit is set to be 0, the deactivation is represented;
the message sent by the rnc to the ue is an existing Uu interface (interface between the rnc and the ue) message, an existing message, or a new message.
4. The method of claim 2,
the activation indication information sent to the user equipment by the radio network controller is an indication field, is used for representing activation/deactivation according to different values, and includes at least one of the following:
the indication field active represents activation, and the indication field De-active represents deactivation;
or, the indication field represents activation when existing, and represents deactivation when not existing;
alternatively, the presence of the indication field indicates deactivation, and the absence indicates activation.
5. The method according to any of claims 1 to 3, wherein when the UE moves between radio network controllers, the method further comprises:
the method for the service wireless network controller of the user equipment to inform the drift wireless network controller to send the user plane frame to activate/deactivate the uplink closed loop transmit diversity includes: the service wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the drift wireless network controller, and the drift wireless network controller learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and carries out corresponding data decoding according to the activation indication information.
6. A system for controlling uplink closed loop transmit diversity is characterized in that the system comprises a wireless network controller, a node B and user equipment; wherein,
the wireless network controller is used for deciding and sending a user plane frame for activating/deactivating the uplink closed loop transmit diversity to the node B when the user equipment is only configured with a special channel; and deciding and sending a control command for activating/deactivating the uplink closed loop transmit diversity to the user equipment.
7. The system of claim 6,
when the radio network controller decides and sends a user plane frame for activating/deactivating uplink closed loop transmit diversity to the node B, the radio network controller is configured to:
carrying activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the node B, triggering the node B to know whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information, and decoding corresponding data according to the activation indication information;
when the radio network controller decides and sends a control command to the user equipment to activate/deactivate the uplink closed loop transmit diversity, the radio network controller is used for:
the message sent to the user equipment carries the activation indication information of the uplink closed loop transmit diversity, and triggers the user equipment to know whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information, and accordingly corresponding data sending is carried out.
8. The system of claim 7,
the user plane frame uses an indication field as the activation indication information, and comprises a bit for representing, when the bit is set to be 1, the activation is represented, and when the bit is set to be 0, the deactivation is represented;
the message sent by the rnc to the ue is an existing Uu interface (interface between the rnc and the ue) message, an existing message, or a new message.
9. The system of claim 7,
the activation indication information sent to the user equipment by the radio network controller is an indication field, is used for representing activation/deactivation according to different values, and includes at least one of the following:
the indication field active represents activation, and the indication field De-active represents deactivation;
or, the indication field represents activation when existing, and represents deactivation when not existing;
alternatively, the presence of the indication field indicates deactivation, and the absence indicates activation.
10. The system according to any of claims 6 to 8, wherein when the user equipment moves between radio network controllers, the radio network controller is further configured to:
the method for the service wireless network controller of the user equipment to inform the drift wireless network controller to send the user plane frame to activate/deactivate the uplink closed loop transmit diversity includes: the service wireless network controller carries activation indication information of the uplink closed loop transmit diversity in a user plane frame sent to the drift wireless network controller, and the drift wireless network controller learns whether the uplink closed loop transmit diversity is activated or not according to the received activation indication information and carries out corresponding data decoding according to the activation indication information.
Priority Applications (2)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102938689A CN102938689A (en) | 2013-02-20 |
| CN102938689B true CN102938689B (en) | 2017-06-13 |
Family
ID=47176194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110234145.4A Expired - Fee Related CN102938689B (en) | 2011-08-16 | 2011-08-16 | A kind of method and system of control uplink closed loop transmitting diversity |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102938689B (en) |
| WO (1) | WO2012155546A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10123611A1 (en) * | 2001-05-15 | 2002-11-21 | Siemens Ag | Method for operating a cellular radio communications system with assigned stations uses a base station switched between operating states with/without closed loop antenna diversity to send a downlink signal to a subscriber station. |
| BRPI0515389B1 (en) * | 2004-09-17 | 2018-09-25 | Ntt Docomo Inc | 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 |
| CN101959271A (en) * | 2009-07-16 | 2011-01-26 | 华为技术有限公司 | Method, device and system for configuring transmit diversities |
| US9647741B2 (en) * | 2009-07-31 | 2017-05-09 | 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 |
| 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 |
| 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 |
-
2011
- 2011-08-16 CN CN201110234145.4A patent/CN102938689B/en not_active Expired - Fee Related
-
2012
- 2012-02-09 WO PCT/CN2012/070992 patent/WO2012155546A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012155546A1 (en) | 2012-11-22 |
| CN102938689A (en) | 2013-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102446700B1 (en) | Method for reporting channel state information in wireless communication system and apparatus therefor | |
| CN107070622B (en) | Terminal device, communication method, and integrated circuit | |
| CN114786245A (en) | Method and apparatus for power control of independent links | |
| JP2019516264A (en) | Data transmission method and apparatus | |
| KR20180014241A (en) | Cooperative communication method, apparatus and system for user equipment | |
| WO2010018742A1 (en) | Radio base station device and mobile terminal device | |
| US7742494B2 (en) | Method and related apparatus for improving MIMO procedure in a wireless communications system | |
| US20080192848A1 (en) | Method and related apparatus for stopping multi-input multi-output operation in a wireless communications system | |
| WO2014208554A1 (en) | Mobile communication system, user terminal, and communication control method | |
| CN106792776B (en) | Beam processing method and base station | |
| CN102938689B (en) | A kind of method and system of control uplink closed loop transmitting diversity | |
| CN102938664B (en) | A kind of method and system for controlling uplink closed loop transmitting diversity | |
| EP2642812B1 (en) | Control signalling | |
| WO2013060151A1 (en) | Uplink transmit diversity configuration method and device | |
| CN103067063A (en) | Uploading transmission diversity capacity reporting method and uploading transmission diversity capacity reporting terminal | |
| CN103051428B (en) | The only PCI feedback cell determination methods and system of the terminal of configuration dedicated channel | |
| EP2839591B1 (en) | Improved control channel in a high-speed packet access system | |
| CN110268668B (en) | User equipment and wireless communication method | |
| CN103227985B (en) | A kind of uplink closed loop sends diversity state of activation update method and system | |
| WO2012155548A1 (en) | Method and system for controlling uplink closed loop transmit diversity | |
| WO2012155545A1 (en) | Method and system for controlling uplink closed loop transmit diversity | |
| CN103227671B (en) | A kind of method to set up of precoding instruction, apparatus and system | |
| WO2013071760A1 (en) | Transmit diversity controlling method and system and radio network controller | |
| CN103227691A (en) | Method, system and RNC (Radio Network Controller) for updating activated state of uplink closed transmit diversity | |
| CN103117782A (en) | Control method and system of transmit diversity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20200816 |