CN101730298A - Method, system and base station for controlling mobile terminal to select antenna - Google Patents
Method, system and base station for controlling mobile terminal to select antenna Download PDFInfo
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- CN101730298A CN101730298A CN200810225622A CN200810225622A CN101730298A CN 101730298 A CN101730298 A CN 101730298A CN 200810225622 A CN200810225622 A CN 200810225622A CN 200810225622 A CN200810225622 A CN 200810225622A CN 101730298 A CN101730298 A CN 101730298A
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Abstract
The invention relates to the field of mobile communication, in particular to a selection technology of a mobile terminal on an antenna. In the invention, a method, a system and a base station for controlling the mobile terminal to select the antenna are comprised, wherein the method for controlling the mobile terminal to select the antenna comprises the step of: transmitting indicating information for indicating the prohibition/permission of the mobile terminal on antenna selection to the mobile terminal by a network side. The network side transmits the information to the mobile terminal for controlling the prohibition/permission of the mobile terminal on antenna selection, thereby realizing that the network side controls the opportunity of the mobile terminal to select the antenna; and the selection of the antenna is self carried out by the mobile terminal, thus the efficiency of antenna selection can be improved.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to selection technology mobile terminal antenna.
Background technology
On portable terminal, can have two or more transmitting antennas, send the channel of (or reception) signal according to each transmitting antenna, can select one of them channel status preferably antenna realize the portable terminal transmitt or receive signal as the antenna of current use.
Have two kinds of methods can carry out the selection of portable terminal transmitting antenna at present: a kind of is to carry out the selection of portable terminal transmitting antenna by network side (for example base station); Another kind is to select transmitting antenna by mobile terminal self.
The flow chart of the concrete grammar of network side selection portable terminal transmitting antenna comprises the steps: as shown in Figure 1
SRS (Sounding Referencesignals, the up interception reference signal) signal that S101, each transmitting antenna of base station mobile terminal receive send, or up DRS (Demodulation Reference signals, uplink demodulation reference signal).
The up channel state information that S102, base station provide according to the SRS signal, channel estimating can be carried out according to SRS signal or DRS in the base station, obtains the up channel state information CSI (ChannelState Information) of this antenna correspondence.Base station which antenna that decision is provided with portable terminal according to the CSI of each transmitting antenna is current use antenna.
S103, base station send to portable terminal with uplink scheduling control information (PDCCH format 0), and which antenna the notice portable terminal selects for use in the mask of the CRC of uplink scheduling control information (Cyclic Redundancy Code, cyclic redundancy check (CRC) code).
Mask in the uplink scheduling control information can be used for representing which antenna the notice portable terminal selects for use.For example, the mask in the uplink scheduling control information is 1 o'clock, and portable terminal is selected antenna A for use; Mask in the uplink scheduling control information is 0 o'clock, and portable terminal is selected antenna B for use.
S104, portable terminal are provided with the antenna of current use according to the uplink scheduling control information CRC mask that receives.
In the said method, each transmitting antenna transmission SRS/DRS signal selects for use the process of which antenna to be commonly referred to as a sense cycle to the base station to portable terminal transmission uplink scheduling control information notice portable terminal from the base station.Owing to need the base station to participate in for the selection of mobile terminal antenna, and the base station needs long sense cycle obtain the SRS/DRS signal to judge, cause being used to indicate selecting letter the present of antenna to relatively lag behind, and is low to the selection gain of mobile terminal antenna.
Another kind method then is that portable terminal oneself utilizes the down channel gain information of DL RS (Downlink Reference signal, downlink reference signal) acquisition and the up-downgoing channel symmetry characteristic/reciprocity of TDD system to decide which antenna of employing in its sole discretion as current use antenna.But, this method is because opportunity of mobile terminal to select antenna and can't help network controls, therefore, when adjacent subframe is done the interpolation channel estimating on network side need be to the time, if this moment, portable terminal carried out a day line options, and switched antenna can cause adjacent subframe to send from different antennae, and the channel that the subframe signal is experienced also is corresponding to different antennae, thereby causes the interpolation channel estimating inaccurate.
In sum, prior art to portable terminal use the selection of antenna or gain low, the cycle is long, perhaps can not cause network channels to be estimated by network controls, Doppler estimates to wait other network side function realization inaccurate.
Summary of the invention
The embodiment of the invention provides a kind of method, system and base station of controlling mobile terminal to select antenna, makes network side can improve the efficient of control mobile terminal to select antenna.
A kind of method of controlling mobile terminal to select antenna comprises:
Network side sends to portable terminal and is used to indicate described portable terminal to forbid/carry out the indication information of day line options.
Described information is the uplink scheduling control information; And describedly be used for indicating described portable terminal to forbid/carry out that the information of day line options specifically is carried on the mask of the cyclic redundancy check (CRC) code CRC of described uplink scheduling control information.
Send to portable terminal at network side and to be used to indicate before described portable terminal forbids the indication information of day line options, also comprise:
Network side determines that subsequent operation is the operation that need avoid the portable terminal switched antenna.
Send to portable terminal at network side and to be used to indicate before described portable terminal forbids the indication information of day line options, also comprise:
Network side determines that subsequent operation is the operation that need avoid the portable terminal switched antenna.
A kind of system that controls mobile terminal to select antenna comprises:
Network side, transmission is used to indicate described portable terminal to forbid/carry out the indication information of day line options;
Portable terminal is used to receive the information that described network side sends, and forbids or carry out a day line options according to the indication in the described information.
A kind of base station, described base station are used for being used to indicate described portable terminal to forbid/carry out the indication information of day line options to the portable terminal transmission.
The embodiment of the invention since network side control portable terminal to portable terminal transmission information and forbid/carry out a day line options, thereby can reach the opportunity of network controls mobile terminal to select antenna, avoid mobile terminal to select antenna to conflict mutually, cause the adverse effect of network side with network side ongoing operation or function; And, because the selection of antenna is to be selected by mobile terminal self, does not need network side to participate in, thereby saved network side resource and interface-free resources, improved the antenna efficiency of selection.
Description of drawings
Fig. 1 is the method flow diagram of the control mobile terminal to select antenna of prior art;
Fig. 2 forbids the method flow diagram of day line options for the control portable terminal of the embodiment of the invention;
Fig. 3 carries out the method flow diagram of day line options for the control portable terminal of the embodiment of the invention;
Fig. 4 is the inside of base station structural representation of the embodiment of the invention;
Fig. 5 is the portable terminal internal structure schematic diagram of the embodiment of the invention.
Embodiment
The network side of the embodiment of the invention (for example base station) carries in sending to the information of portable terminal and is used for the indication information whether indicating mobile terminal carries out day line options.When portable terminal receives this information, if obtain carrying out the indication of antenna selection operation from information, down channel gain information and the TDD system up-downgoing channel symmetry characteristic/reciprocity of then utilizing DLRS (Downlink ReferenceSignal downlink reference signal) to obtain are decided which antenna of employing in its sole discretion as current use antenna; If indicating mobile terminal forbids carrying out a day line options in the information, then portable terminal does not carry out a day line options according to indication after receiving this information.Like this, network side just can be controlled the opportunity that portable terminal carries out day line options, and when the control portable terminal carries out day line options, network side needn't utilize judgement, the indicating mobile terminal of uplink information to select which antenna, but select antenna, thereby network side resource and interface-free resources have been saved by mobile terminal self.Both can adopt the signaling information of redetermination, and also can utilize some redundant information of existing signaling information to carry and carry out/forbid the indication of antenna selection operation.
The embodiment of the invention is carried with up scheduling control information and is carried out/forbid the antenna selection operation and be designated as example and tell about concrete scheme.The uplink scheduling control information that network side sends in the prior art, the mask of its CRC is used to notify portable terminal to select which antenna, because which antenna is the scheme of the embodiment of the invention needn't select by the network side indicating mobile terminal again, therefore, the scheme of the embodiment of the invention can utilize the mask of this information CRC as being used for the information that indicating mobile terminal carries out the antenna selection operation.Like this, needn't define new signaling on the basis of existing technology, promptly utilize existing signaling just can realize the scheme of the embodiment of the invention.
A kind of network controls portable terminal that the embodiment of the invention provides is forbidden the method flow diagram of day line options, as shown in Figure 2, comprises following concrete steps:
S201, network side determine that subsequent operation is the operation that need avoid the portable terminal switched antenna.
Needs herein avoid the operation of portable terminal switched antenna to refer in carrying out this operating process, and portable terminal can not switched antenna, otherwise will cause adverse effect to the operation of network side.For example, when network side need carry out interpolation channel estimating or Doppler frequency when estimating that operation waits network function, then portable terminal can not switched antenna, otherwise can cause estimation deterioration or disabler.
S202, for fear of portable terminal switched antenna in the operation implementation, then network side sends the uplink scheduling control information to portable terminal, a day line options is forbidden in the mask indication of the CRC of this uplink scheduling control information.
It may be noted that the situation of having fixed uplink scheduling control information transmission opportunity for network side herein, then network side needn't carry out the described judgement determining step as step S201; That is to say, network side is carrying out before interpolation channel estimating or Doppler frequency estimate network function such as operation, system has preestablished day line options of forbidding that will send the uplink scheduling control information and carry and has indicated, and then needn't carry out the described judgement determining step as step S201.
After S203, portable terminal receive this uplink scheduling control information, do not carry out a day line options according to the mask of the CRC of uplink scheduling control information.
A kind of network controls portable terminal that the embodiment of the invention provides carries out the method flow diagram of day line options, as shown in Figure 3, comprises following concrete steps:
S301, network side determine current for portable terminal can be in the period of switched antenna.
After needs avoid the operation of portable terminal switched antenna to finish, perhaps some other idle period, network side determines that current mobile terminal can carry out antenna and switch, in the period that is the current subsequent operation that is in network side for the operation that do not need to avoid the portable terminal switched antenna, can not have a negative impact, then notify portable terminal to carry out a day line options network side.
S302, network side send the uplink scheduling control information to portable terminal, and a day line options is carried out in the mask indication of this uplink scheduling control information.
The indication of the mask of uplink scheduling control information is carried out day line options or is forbidden the method for day line options, specifically can be, such as representing to carry out a day line options when the CRC mask value is 1, the CRC mask value is to represent to forbid a day line options at 0 o'clock.
It may be noted that the situation of having fixed uplink scheduling control information transmission opportunity for network side herein, then network side needn't carry out the described judgement determining step as step S301; That is to say that the system of network side has preestablished the indication of the carrying out day line options that will send the uplink scheduling control information and carry, then needn't carry out described judgement determining step as step S301.
S303, portable terminal are selected antenna voluntarily according to the mask of the uplink scheduling control information that receives.
Mobile terminal self selects the method for antenna with described in the prior art, repeats no more herein.
The base station of a kind of network side that the embodiment of the invention provides, as shown in Figure 4, described base station is used for being used to indicate described portable terminal to forbid/carry out the indication information of day line options to the portable terminal transmission, specifically can comprise: a day line options control module 402 is used for being used to indicate described portable terminal to forbid/carry out the indication information of day line options to the portable terminal transmission.
Further can also comprise:
The antenna determination module 401 that chooses the right moment is used for determining that subsequent operation is the operation that need avoid the portable terminal switched antenna or current being in the period of subsequent operation for the operation that do not need to avoid the portable terminal switched antenna.
And a day line options control module 402 is further used for, and the subsequent operations that determination module 401 determines that choose the right moment are the operation that needs are avoided the portable terminal switched antenna according to antenna, carry the information of forbidding that day line options is indicated to the portable terminal transmission, and in the CRC of described uplink scheduling control information mask; It line options control module 402 also in antenna chooses the right moment subsequent operations that determination module 401 the determines period for the operation that do not need to avoid the portable terminal switched antenna, sends day information of line options indication of carrying out that carries to portable terminal.Described information is the uplink scheduling control information; And described day line options indication and the described day line options of carrying out of forbidding indicated in the mask of the cyclic redundancy check (CRC) code CRC that specifically is carried on described uplink scheduling control information.
The antenna determination module 401 that chooses the right moment can specifically comprise as lower unit:
Forbid the antenna determining unit that chooses the right moment, be used for determining subsequent operation output inhibit signal for need avoid the operation of portable terminal switched antenna the time;
Allow the antenna determining unit that chooses the right moment, be used for determining that subsequent operation output when not needing to avoid the operation of portable terminal switched antenna allows signal; Allowing antenna to choose the right moment promptly to show after determining unit output allows signal current being in the period of subsequent operation for the operation that do not need to avoid the portable terminal switched antenna.
And a day line options control module 402 specifically is used for sending the information of forbidding that day line options is indicated that carries to portable terminal after receiving described inhibit signal; After receiving described permission signal, send day information of line options indication of carrying out that carries to portable terminal.
It line options control module 402 can specifically comprise as lower unit:
Forbid a day line options control unit, be used for that the subsequent operations that determination module 401 determines that choose the right moment are the operation that needs are avoided the portable terminal switched antenna according to antenna, send the uplink scheduling control information to portable terminal, and in the CRC of described uplink scheduling control information mask, carry the indication of forbidding day line options;
Allow a day line options control unit, be used for can not influencing in the period of network side function at the antenna portable terminal switched antennas that determination module 401 determines that choose the right moment, send the uplink scheduling control information to portable terminal, and in the mask of the CRC of described uplink scheduling control information, carry the indication of carrying out day line options.
A kind of portable terminal that the embodiment of the invention provides as shown in Figure 5, comprising: information receiving module 501, day line options judge module 502, Antenna Selection Module 503.
It line options judge module 502 is used for determining to forbid a day line options when the CRC of described uplink scheduling control information mask carries the indication of forbidding day line options; When the CRC of described uplink scheduling control information mask carries the indication of carrying out day line options, determine to carry out a day line options.
Antenna Selection Module is used for judging at sky line options judge module 502 and selects antenna voluntarily when determining to carry out day line options.
The embodiment of the invention is controlled portable terminal owing to network side is in due course to the control information of portable terminal transmission uplink scheduling and is forbidden/carry out a day line options, thereby can reach the opportunity of network controls mobile terminal to select antenna, avoid mobile terminal to select antenna to conflict mutually, cause the adverse effect of network side with network side ongoing operation or function; And, because the concrete selection of antenna is to be selected by mobile terminal self, does not need network side to participate in, thereby saved network side resource and interface-free resources, improved a day line options gain.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, this program can be stored in the computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a method of controlling mobile terminal to select antenna is characterized in that, comprising:
Network side sends to portable terminal and is used to indicate described portable terminal to forbid/carry out the indication information of day line options.
2. the method for claim 1 is characterized in that, described information is the uplink scheduling control information; And describedly be used for indicating described portable terminal to forbid/carry out that the information of day line options specifically is carried on the mask of the cyclic redundancy check (CRC) code CRC of described uplink scheduling control information.
3. the method for claim 1 is characterized in that, sends to portable terminal at network side to be used to indicate before described portable terminal forbids the indication information of day line options, also comprises:
Network side determines that subsequent operation is the operation that need avoid the portable terminal switched antenna.
4. require 3 described methods as power, it is characterized in that described needs are avoided the operation of portable terminal switched antenna, specifically comprise:
Carry out operation of time domain interpolation channel estimating or Doppler frequency and estimate operation.
5. a system that controls mobile terminal to select antenna is characterized in that, comprising:
Network side, transmission is used to indicate described portable terminal to forbid/carry out the indication information of day line options;
Portable terminal is used to receive the information that described network side sends, and forbids or carry out a day line options according to the indication in the described information.
6. system as claimed in claim 5 is characterized in that, described information is the uplink scheduling control information; And describedly be used for indicating described portable terminal to forbid/carry out that the information of day line options specifically is carried on the mask of the cyclic redundancy check (CRC) code CRC of described uplink scheduling control information.
7. system as claimed in claim 5 is characterized in that,
Described network side specifically is used for determining subsequent operation for after need avoiding the operation of portable terminal switched antenna, sends to described portable terminal and forbids the indication information of day line options.
8. system as claimed in claim 7 is characterized in that, described needs avoid portable terminal to change the operation of antenna, specifically comprise:
Carry out operation of time domain interpolation channel estimating or Doppler frequency and estimate operation.
9. a base station is characterized in that, described base station is used for being used to indicate described portable terminal to forbid/carry out the indication information of day line options to the portable terminal transmission.
10. base station as claimed in claim 9 is characterized in that, described information is the uplink scheduling control information; And describedly be used for indicating described portable terminal to forbid/carry out that the information of day line options specifically is carried on the mask of the cyclic redundancy check (CRC) code CRC of described uplink scheduling control information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810225622A CN101730298A (en) | 2008-10-31 | 2008-10-31 | Method, system and base station for controlling mobile terminal to select antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810225622A CN101730298A (en) | 2008-10-31 | 2008-10-31 | Method, system and base station for controlling mobile terminal to select antenna |
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| CN101730298A true CN101730298A (en) | 2010-06-09 |
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| CN200810225622A Pending CN101730298A (en) | 2008-10-31 | 2008-10-31 | Method, system and base station for controlling mobile terminal to select antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102986266A (en) * | 2010-07-09 | 2013-03-20 | 京瓷株式会社 | Radio base station and wireless communication method |
| CN103004247A (en) * | 2010-07-22 | 2013-03-27 | 京瓷株式会社 | Wireless base station and wireless communication method |
| CN103069862A (en) * | 2010-08-06 | 2013-04-24 | 京瓷株式会社 | Wireless base station and wireless communication method |
| CN103427127A (en) * | 2012-05-23 | 2013-12-04 | 宇龙计算机通信科技(深圳)有限公司 | Wireless charging method of mobile terminal and mobile terminal |
| CN103609159A (en) * | 2011-05-27 | 2014-02-26 | 京瓷株式会社 | Base station and communication method |
| WO2020061729A1 (en) * | 2018-09-25 | 2020-04-02 | 富士通株式会社 | Signal transceiving method, antenna panel indicating method, apparatus and system |
| CN107529189B (en) * | 2016-06-17 | 2020-12-25 | 安立股份有限公司 | Mobile terminal testing device and transmitting antenna testing method |
-
2008
- 2008-10-31 CN CN200810225622A patent/CN101730298A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102986266A (en) * | 2010-07-09 | 2013-03-20 | 京瓷株式会社 | Radio base station and wireless communication method |
| CN103004247A (en) * | 2010-07-22 | 2013-03-27 | 京瓷株式会社 | Wireless base station and wireless communication method |
| CN103069862A (en) * | 2010-08-06 | 2013-04-24 | 京瓷株式会社 | Wireless base station and wireless communication method |
| US9025554B2 (en) | 2010-08-06 | 2015-05-05 | Kyocera Corporation | Wireless base station and wireless communication method |
| CN103609159A (en) * | 2011-05-27 | 2014-02-26 | 京瓷株式会社 | Base station and communication method |
| CN103427127A (en) * | 2012-05-23 | 2013-12-04 | 宇龙计算机通信科技(深圳)有限公司 | Wireless charging method of mobile terminal and mobile terminal |
| CN103427127B (en) * | 2012-05-23 | 2015-11-25 | 宇龙计算机通信科技(深圳)有限公司 | The wireless charging method of mobile terminal and mobile terminal |
| CN107529189B (en) * | 2016-06-17 | 2020-12-25 | 安立股份有限公司 | Mobile terminal testing device and transmitting antenna testing method |
| WO2020061729A1 (en) * | 2018-09-25 | 2020-04-02 | 富士通株式会社 | Signal transceiving method, antenna panel indicating method, apparatus and system |
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Application publication date: 20100609 |