CN101835200A - System access method, communication system, user terminal and network side equipment - Google Patents
System access method, communication system, user terminal and network side equipment Download PDFInfo
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- CN101835200A CN101835200A CN200910079933A CN200910079933A CN101835200A CN 101835200 A CN101835200 A CN 101835200A CN 200910079933 A CN200910079933 A CN 200910079933A CN 200910079933 A CN200910079933 A CN 200910079933A CN 101835200 A CN101835200 A CN 101835200A
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Abstract
The invention discloses a system access method, a communication system, a user terminal and network side equipment, which are used for controlling the user terminal to access an LTE-Advanced system by using a target carrier wave. In the invention, the system access method provided by the invention comprises the following steps of: determining target carrier wave information, which is required when the user terminal accesses the communication system, by a network side; and sending the target carrier wave information to the user terminal and indicating the user terminal to access the communication system according to the target carrier wave information.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of system access method, communication system, user terminal and network equipment.
Background technology
Carrier aggregation, i.e. carrier aggregation, its basic principle is to make the work that condenses together of two or more main carrier, thereby satisfies higher bandwidth demand.
At 3GPP Long Term Evolution (LTE, Long Term Evolution) (later release of LTE is also referred to as LTE-Advanced to the later release of technology, as LTE R10 etc.) in, carrier aggregation is as supporting that more the key technology of high bandwidth transmission is introduced into, as shown in Figure 1a, do not use the scene schematic diagram of carrier aggregation for user terminal in the LTE-Advanced system only uses carrier wave 1, Fig. 1 b then carries out the scene schematic diagram of carrier aggregation for user terminal in the LTE-Advanced system uses carrier wave 1 and carrier wave 2.
According to prior art, when user terminal was in the sub-district that has a plurality of carrier waves simultaneously, the process that this user terminal is linked into the LTE-Advanced system mainly comprised following three steps:
At first, user terminal was searched for the main and auxiliary synchronizing signal in the sub-district with the scouting interval of 100kHz for synchronizing signal is searched for, and after user terminal successfully searches out synchronizing signal, had just realized the synchronous of user terminal and cell downlink signal frequency;
Then, user terminal is from broadcast channel (BCH, Broadcast CHannel) goes up the reception cell broadcast information, particularly, user terminal receives Master Information Block (Master Information Block) from BCH earlier, generally comprise downlink bandwidth information in this host system message block, number of transmit antennas information, PHICH channel architecture information etc., after receiving Master Information Block, further receive other system information (SI again, System Information), such as, when the LTE-Advanced system adopts Frequency Division Duplexing (FDD) (FDD, (adopt the LTE-Advanced system of FDD communication pattern to be also referred to as FDD LTE system) during FrequencyDivision Dual) communication pattern, user terminal can also further receive FDD LTE system information SI, and as the employing time division duplex (TDD of LTE-Advanced system, (adopt the LTE-Advanced system of TDD communication pattern to be also referred to as TDD LTE system) during Time Division Dual) communication pattern, user terminal can also further receive TDD LTE system information SI;
At last, the carrier wave of the cell broadcast information that the user terminal utilization receives from BCH is linked in the LTE-Advanced system.Such as, at TDD LTE system, because the uplink and downlink signals in the TDD LTE system is operated on the same carrier wave, so user terminal can directly utilize the carrier wave corresponding to the TDDLTE system information that receives, and is linked in the TDD LTE system; And at FDD LTE system, though the uplink and downlink signals in the FDD LTE system is operated on the different carrier, but because the pair relationhip between the carrier wave that the uplink and downlink signals in the FDD LTE system is operated in respectively is known, therefore the carrier wave of the carrier wave pairing of the user terminal FDD LTE system information that also can directly utilize and receive is linked in the FDD LTE system.
In the prior art, when adopting above-mentioned user terminal to be linked into method in the LTE-Advanced system, user terminal can only utilize current search to signal carrier wave or be linked in the LTE-Advanced system with the carrier wave of this carrier wave pairing, this is in blindly uncontrollable state when just making the user terminal access communication system.
Summary of the invention
The embodiment of the invention provides a kind of system access method and communication system, utilizes target carrier to insert the LTE-Advanced system in order to the control user terminal.
The embodiment of the invention also provides a kind of user terminal and network equipment.
For this reason, the present invention is by the following technical solutions:
A kind of system access method comprises step: network side is determined the target carrier information that user terminal need utilize when access communication system; And described target carrier information sent to described user terminal, and indicate described user terminal according to described target carrier information, insert described communication system.
Preferably, described communication system is a Long Term Evolution later release LTE-Advanced system, and described network side with described target carrier information-bearing in the U1-Bandwidth of system information field and ULEARFCN field, or be carried in the information stores field of the increase that obtains after the information stores field of system information block expanded, or be carried in the system information block of the increase that obtains after system information block expanded and send to described user terminal.
Preferably, described user terminal can position described target carrier by earlier according to described target carrier information; And then utilize the described target carrier that navigates to, insert described communication system.
Whether the information of the monitoring carrier wave that is utilized when preferably, described user terminal can also receive described target carrier information by more described target carrier information and described user terminal is corresponding consistent; When comparative result when being, utilize described monitoring carrier wave to insert described communication system; And when comparative result for not the time, according to described target carrier information, described target carrier is positioned, utilize the described target carrier that navigates to again, insert described communication system.
Preferably, described target carrier information be described target carrier frequency point information and bandwidth information.
A kind of communication system comprises network equipment and user terminal, and described network equipment is used for the target carrier information that definite user terminal need utilize when access communication system, and described target carrier information is sent to described user terminal; Described user terminal is used to receive the described target carrier information that described network equipment sends, and according to described target carrier information, inserts described communication system.
A kind of network equipment comprises: determining unit is used for the target carrier information of determining that user terminal need utilize when access communication system; Indicating member is used for the described target carrier information that determining unit is determined is sent to described user terminal, and indicates described user terminal according to described target carrier information, inserts described communication system.
A kind of user terminal comprises: receiving element is used to receive the target carrier information that described user terminal that network equipment sends need utilize when access communication system; Access unit is used for the described target carrier information according to the receiving element reception, inserts described communication system.
The embodiment of the invention is by determining the target carrier information that user terminal need utilize when the access communication system earlier, again the target carrier information of determining is sent to user terminal, with indicating user terminal according to this target carrier information access communication system, thereby be in the blindly problem of uncontrollable state when having solved the user terminal access communication system that exists in the prior art.System for adopting carrier aggregation technology by access way provided by the present invention, can adjust the load on the different carrier flexibly, realizes the equilibrium of offered load between carrier wave; Simultaneously, can also avoid user terminal to utilize other carrier wave access communication systems effectively after, switch to the waste system handles problem of resource that causes on the target carrier again.
Description of drawings
Fig. 1 a does not use the scene schematic diagram of carrier aggregation for user terminal in the LTE-Advanced system only uses carrier wave 1;
Fig. 1 b carries out the scene schematic diagram of carrier aggregation for user terminal in the LTE-Advanced system uses carrier wave 1 and carrier wave 2.
The idiographic flow schematic diagram of a kind of system access method that Fig. 2 provides for the embodiment of the invention;
A kind of system access method concrete application flow schematic diagram in practice that Fig. 3 provides for the embodiment of the invention;
The concrete structure schematic diagram of a kind of communication system of providing in the embodiment of the invention is provided Fig. 4;
The concrete structure schematic diagram of a kind of network equipment of providing in the embodiment of the invention is provided Fig. 5;
The concrete structure schematic diagram of a kind of user terminal of providing in the embodiment of the invention is provided Fig. 6.
Embodiment
Because the embodiment of the invention sends to this user terminal with the target carrier information that user terminal need utilize when the access communication system, and indicating user terminal utilizes target carrier to be linked into the problem of LTE-Advanced system according in this target carrier information access communication system thereby solved the user terminal of can not controlling that exists in the prior art.
Be explained in detail to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
The embodiment of the invention provides a kind of system access method, and its specific implementation flow chart mainly may further comprise the steps as shown in Figure 2:
Particularly, the different communication mode corresponding to the LTE-Advanced system adopts, can realize in the following ways in the above-mentioned steps 22 that the target carrier information that will determine sends to user terminal:
1,, can adopt three kinds of modes to realize that the target carrier information of determining is sent to user terminal at the TDD LTE system that adopts the TDD communication mode:
First kind of mode: add target carrier information in U1-Bandwidth field in system information SI-2 and the UL EARFCN field, such as, can but be not limited to the bandwidth information of the target carrier in the target carrier information is carried in the U1-Bandwidth field of SI-2, simultaneously, the frequency point information of the target carrier in the target carrier information is carried in the UL EARFCN field of SI-2, and then this system information SI-2 that will carry target carrier information sends to user terminal;
The second way: can expand to the information stores field of existing system information block SIB in the communication system, the information stores field that obtains increasing newly, and with the target carrier information-bearing in this newly-increased information stores field, and then this SIB that will carry target carrier information sends to user terminal;
The third mode: can be in communication system newly-increased SIB on the basis of existing SIB, and utilize newly-increased SIB to carry target carrier information, and this newly-increased SIB that carries target carrier information sent to user terminal.
2, at the FDD LTE system that adopts the FDD communication mode, because according to existing 3GPP TS36.331 V8.4.0 standard (3GPP, 3rd Generation Partnership Project; TS, Technique Specification), the UL EARFCN field of SI-2 has been used in the information of the up working frequency range of carrying, therefore, can not adopt above-mentioned first kind of mode to send target carrier information, but can adopt the above-mentioned second way or the third mode to send target carrier information to user terminal to user terminal.
When user terminal receives SIB or the SI-2 that network side adopts above-mentioned any one mode to send, and from SIB or SI-2, resolve obtain target carrier information after, can but be not limited to adopt following dual mode to be linked in the communication system:
First kind of access way: user terminal positions target carrier according to this target carrier information that parsing obtains, such as, can target carrier be positioned according to the frequency point information and the bandwidth information of this target carrier, and utilize the target carrier access communication system that navigates to;
Second kind of access way: the carrier wave that is utilized when receiving this target carrier information owing to user terminal (carrier wave that follow-up title user terminal is utilized when receiving this target carrier information is a monitoring carrier wave (monitored carrier)) might be exactly this target carrier of network side appointment, therefore, at this situation, for fear of user terminal after receiving target carrier information, target carrier is reorientated again and cause handling the wasting of resources, in the embodiment of the invention, whether user terminal is can first comparison object carrier information corresponding consistent with the information of monitoring carrier wave, such as, whether the frequency point information of the target carrier in can the comparison object carrier information is corresponding consistent with the frequency point information and the bandwidth information of monitoring carrier wave with bandwidth information, when comparative result when being, judge that this monitoring carrier wave is target carrier, this moment, user terminal can position target carrier more again, but can directly utilize this monitoring carrier wave access communication system, and when comparative result for not the time, user terminal navigates to target carrier according to target carrier information again, and utilizes the target carrier access communication system that navigates to.
Below a kind of execution mode of this method of providing with the embodiment of the invention be example, this method concrete application flow in practice is described, the schematic diagram of this flow process may further comprise the steps as shown in Figure 3:
Step 31, network side are determined the target carrier information that user terminal need utilize when current access communication system;
Step 32, different communication mode corresponding to the communication system employing, network side can be with the target carrier information-bearing determined in the U1-Bandwidth of system information SI-2 field and UL EARFCN field, or be carried in the newly-increased information stores field that obtains after main system information SIB expanded, or be carried among the SIB newly-increased in the communication system, the SI-2 or the SIB that carry target carrier information are sent to user terminal, preferably, network side can send to user terminal with SI-2 or the SIB that carries target carrier information to send the mode of broadcast message;
Step 33, user terminal is with the scouting interval of 100kHz for synchronizing signal is searched for, main and auxiliary synchronizing signal in the sub-district is searched for, after user terminal successfully searches out synchronizing signal, just realized the synchronous of user terminal and cell downlink signal frequency, at this moment, the carrier wave that utilizes of this synchronizing signal that searches is the monitoring carrier wave;
Step 34, user terminal receives SI-2 that carries target carrier information or the SIB by network side transmitted, and after parsing target carrier information from SI-2 or SIB, the information of target carrier information with the monitoring carrier wave is compared, to be target carrier information corresponding respectively when consistent with the information of monitoring carrier wave when comparative result, execution in step 35, otherwise, execution in step 36;
Step 35, user terminal judge that this monitoring carrier wave is a target carrier, and utilize this monitoring carrier wave, are linked in the communication system, and flow process finishes;
Step 36, user terminal judge that this monitoring carrier wave is not a target carrier, and according to target carrier information target carrier are positioned, and utilize the target carrier that navigates to again, are linked in the communication system, and flow process finishes.
In the step 34 of the foregoing description, whether user terminal also can corresponding consistent with the information of monitoring carrier wave without the comparison object carrier information, but, this target carrier is positioned, and utilize in the target carrier access communication system that navigates to directly according to target carrier information.
The specific implementation process of this method that is provided by the embodiment of the invention as can be known, the target carrier information that network side need utilize when being linked into communication system by the user terminal that will determine sends to user terminal, and indicate this user terminal to utilize this target carrier information to be linked in the communication system, thereby can realize controlling user terminal utilizes in the target carrier access communication system, be in the blindly problem of uncontrollable state when having avoided the user terminal access communication system of problem in the prior art, further, because this method that the embodiment of the invention provides can be determined target carrier according to the loading condition of carrier wave, therefore, can also guarantee the harmony of each carrier load in the communication system.
In addition, this method that the embodiment of the invention provides can be used for controlling this user terminal and utilizing the target carrier access communication system when the initial access communication system of user terminal; Also can be used for controlling the target carrier that the user terminal of access communication system utilizes communication system to reset, insert this communication system again.When this method that provides when the embodiment of the invention is applied to control the initial access communication system of user terminal, because network side can be controlled user terminal according to the target carrier access communication system, therefore, after can avoiding user terminal to utilize other carrier wave access communication systems effectively, switch to the waste system handles problem of resource that causes on the target carrier again.
Need to prove; be example only in the embodiment of the invention with the LTE-Advanced system; the specific implementation process of this method that the embodiment of the invention provides is described; in actual applications; this method that the embodiment of the invention is provided is applied in the other system, utilizes the target carrier access communication system all within protection scope of the present invention to realize the control user terminal.
Correspondingly, the embodiment of the invention also provides a kind of communication system, the concrete structure schematic diagram of this system as shown in Figure 4, comprise network equipment 41 and user terminal 42, wherein, network equipment 41 is used for the target carrier information that definite user terminal 42 need utilize when access communication system, and the target carrier information of determining is sent to user terminal 42; User terminal 42 then is used to receive the target carrier information that network equipment 41 sends, and according to target carrier information, in the access communication system, wherein, target carrier information can but to be not limited to be the frequency point information and the bandwidth information of target carrier.
Preferably, in this system that the embodiment of the invention provides, network equipment 41 can be with the target carrier information-bearing in the U1-Bandwidth of system information SI-2 field and UL EARFCN field, or be carried in the information stores field of the increase that obtains after the information stores field of system information block SIB expanded, or be carried among the system information block SIB that increases newly that obtains after system information block SIB expanded and send to user terminal 41.
Correspondingly, the embodiment of the invention also provides a kind of network equipment, its concrete structure schematic diagram as shown in Figure 5, specifically comprise: determining unit 51, be used for the target carrier information of determining that user terminal need utilize when access communication system, this target carrier information can but to be not limited to be the frequency point information and the bandwidth information of target carrier; Indicating member 52 be used for the target carrier information that determining unit 51 is determined is sent to user terminal, and indicating user terminal is according to target carrier information, access communication system.
Preferably, the included indicating member 52 of this network equipment that the embodiment of the invention provides can also further be divided into a plurality of functional modules, specifically comprises:
In addition, the embodiment of the invention also provides a kind of user terminal, its concrete structure schematic diagram as shown in Figure 6, comprise: receiving element 61, be used to receive the target carrier information that this user terminal that network equipment sends need utilize when access communication system, this target carrier information can but to be not limited to be the frequency point information and the bandwidth information of target carrier; Access unit 62 is used for the target carrier information according to the receiving element reception, access communication system.
Corresponding to a kind of implementation of the function of access unit 62, access unit 62 can further be divided into lower module:
Locating module is used for the target carrier information according to receiving element 61 receptions, and target carrier is positioned; Access module is used to the target carrier of utilizing locating module to navigate to, access communication system.
Corresponding to the another kind of implementation of the function of access unit 62, access unit 62 can further be divided into lower module:
Comparison module, whether the information of the monitoring carrier wave that is utilized when being used for target carrier information that the comparison receiving element receives with receiving element receiving target carrier information is corresponding consistent; First access unit is used for the comparative result that obtains at comparison module when being, utilizes this monitoring carrier wave access communication system; Positioning unit is used for the comparative result that obtains at comparison module for not the time, according to target carrier information, target carrier is positioned; Second access unit is used to the target carrier access communication system that utilizes positioning unit to navigate to.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. a system access method is characterized in that, comprising:
Network side is determined the target carrier information that user terminal need utilize when access communication system;
Described target carrier information is sent to described user terminal, and indicate described user terminal, insert described communication system according to described target carrier information.
2. the method for claim 1 is characterized in that, described communication system is a Long Term Evolution later release LTE-Advanced system, and
Described network side with described target carrier information-bearing in the U1-Bandwidth of system information field and UL EARFCN field, or be carried in the information stores field of the increase that obtains after the information stores field of system information block expanded, or be carried in the system information block of the increase that obtains after system information block expanded and send to described user terminal.
3. the method for claim 1 is characterized in that, described user terminal inserts described communication system and specifically comprises according to described target carrier information:
Described user terminal positions described target carrier according to described target carrier information; And
The described target carrier that utilization navigates to inserts described communication system.
4. the method for claim 1 is characterized in that, described user terminal inserts described communication system and specifically comprises according to described target carrier information:
Whether the information of the monitoring carrier wave that the more described target carrier information of described user terminal and described user terminal are utilized when receiving described target carrier information is corresponding consistent;
When comparative result when being, utilize described monitoring carrier wave to insert described communication system; And
When comparative result for not the time, according to described target carrier information, described target carrier is positioned, and utilizes the described target carrier that navigates to, insert described communication system.
5. as the described method of 1～4 arbitrary claim, it is characterized in that frequency point information and bandwidth information that described target carrier information is described target carrier.
6. a communication system comprises network equipment and user terminal, it is characterized in that:
Described network equipment is used for the target carrier information that definite user terminal need utilize when access communication system, and described target carrier information is sent to described user terminal;
Described user terminal is used to receive the described target carrier information that described network equipment sends, and according to described target carrier information, inserts described communication system.
7. communication system as claimed in claim 6 is characterized in that, described communication system is a Long Term Evolution later release LTE-Advanced system, and
Described network equipment with described target carrier information-bearing in the U1-Bandwidth of system information field and UL EARFCN field, or be carried in the information stores field of the increase that obtains after the information stores field of system information block expanded, or be carried in the system information block of the increase that obtains after system information block expanded and send to described user terminal.
8. as claim 6 or 7 described communication systems, it is characterized in that frequency point information and bandwidth information that described target carrier information is described target carrier.
9. a network equipment is characterized in that, comprising:
Determining unit is used for the target carrier information of determining that user terminal need utilize when access communication system;
Indicating member is used for the described target carrier information that determining unit is determined is sent to described user terminal, and indicates described user terminal according to described target carrier information, inserts described communication system.
10. network equipment as claimed in claim 9 is characterized in that, described communication system is a Long Term Evolution later release LTE-Advanced system, and
Described indicating member specifically comprises:
Carrier module, the described target carrier information-bearing that is used for determining unit is determined is in the U1-Bandwidth of system information field and UL EARFCN field, or be carried in the information stores field of the increase that obtains after the information stores field of system information block expanded, or be carried in the system information block of the increase that obtains after system information block expanded;
Indicating module, the system information that carries described target carrier information or the system information block that are used for being obtained by carrier module send to described user terminal, and indicate described user terminal according to described target carrier information, insert described communication system.
11. a user terminal is characterized in that, comprising:
Receiving element is used to receive the target carrier information that described user terminal that network equipment sends need utilize when access communication system;
Access unit is used for the described target carrier information according to the receiving element reception, inserts described communication system.
12. user terminal as claimed in claim 11 is characterized in that, described access unit specifically comprises:
Locating module is used for the described target carrier information according to the receiving element reception, and described target carrier is positioned;
Access module is used to the described target carrier of utilizing locating module to navigate to, inserts described communication system.
13. user terminal as claimed in claim 11 is characterized in that, described access unit specifically comprises:
Comparison module, whether the information that is used for the monitoring carrier wave that utilized when described target carrier information that the comparison receiving element receives and receiving element receive described target carrier information is corresponding consistent;
First access unit is used for the comparative result that obtains at comparison module when being, utilizes described monitoring carrier wave to insert described communication system;
Positioning unit is used for the comparative result that obtains at comparison module for not the time, according to described target carrier information, described target carrier is positioned;
Second access unit is used to the described target carrier of utilizing positioning unit to navigate to, inserts described communication system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910079933 CN101835200B (en) | 2009-03-13 | 2009-03-13 | System access method, communication system, user terminal and network side equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910079933 CN101835200B (en) | 2009-03-13 | 2009-03-13 | System access method, communication system, user terminal and network side equipment |
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| CN101835200A true CN101835200A (en) | 2010-09-15 |
| CN101835200B CN101835200B (en) | 2013-05-15 |
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| CN 200910079933 Expired - Fee Related CN101835200B (en) | 2009-03-13 | 2009-03-13 | System access method, communication system, user terminal and network side equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024834A (en) * | 2011-09-27 | 2013-04-03 | 华为技术有限公司 | Network access method and device for terminal |
| CN103124399A (en) * | 2013-01-23 | 2013-05-29 | 中兴通讯股份有限公司 | Method and device for monitoring paging of trunking group calling |
| EP2624648A4 (en) * | 2010-09-30 | 2017-02-15 | China Mobile Communications Corporation | Method and device for data transmission |
| CN106797604A (en) * | 2016-11-11 | 2017-05-31 | 北京小米移动软件有限公司 | Communication means and device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100550704C (en) * | 2005-01-19 | 2009-10-14 | 大唐移动通信设备有限公司 | Channel priority queuing strategy in the multi-carrier communications systems |
| CN101534235A (en) * | 2008-03-12 | 2009-09-16 | 华为技术有限公司 | Multi-carrier access method, system and equipment |
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2009
- 2009-03-13 CN CN 200910079933 patent/CN101835200B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2624648A4 (en) * | 2010-09-30 | 2017-02-15 | China Mobile Communications Corporation | Method and device for data transmission |
| CN103024834A (en) * | 2011-09-27 | 2013-04-03 | 华为技术有限公司 | Network access method and device for terminal |
| CN103024834B (en) * | 2011-09-27 | 2017-10-17 | 华为技术有限公司 | The method and apparatus of accessing terminal to network |
| CN103124399A (en) * | 2013-01-23 | 2013-05-29 | 中兴通讯股份有限公司 | Method and device for monitoring paging of trunking group calling |
| CN106797604A (en) * | 2016-11-11 | 2017-05-31 | 北京小米移动软件有限公司 | Communication means and device |
| WO2018086067A1 (en) * | 2016-11-11 | 2018-05-17 | 北京小米移动软件有限公司 | Communication method and device |
| CN106797604B (en) * | 2016-11-11 | 2019-08-16 | 北京小米移动软件有限公司 | Communication means and device |
| US11089543B2 (en) | 2016-11-11 | 2021-08-10 | Beijing Xiaomi Mobile Software Co., Ltd. | Communication method and device for indicating an operating frequency range |
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| CN101835200B (en) | 2013-05-15 |
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Granted publication date: 20130515 |