CN102546137B - Method and device for detecting wireless link - Google Patents
Method and device for detecting wireless link Download PDFInfo
- Publication number
- CN102546137B CN102546137B CN201110451669.9A CN201110451669A CN102546137B CN 102546137 B CN102546137 B CN 102546137B CN 201110451669 A CN201110451669 A CN 201110451669A CN 102546137 B CN102546137 B CN 102546137B
- Authority
- CN
- China
- Prior art keywords
- pdcch
- terminal
- wireless link
- training sequence
- network side
- 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.)
- Active
Links
Abstract
The embodiment of the invention discloses a method and device for detecting a wireless link, relates to the technical field of communications and solves the problem that in the prior art, due to inconsistent synchronization and non-synchronization of a network side and a terminal, when the link has a fault, the terminal cannot timely find the fault and recovers the fault. The method comprises the following steps of: configuring a first PDCCH (Physical Downlink Control Channel) according to the attribute of a PDCCH of a service channel; when no downlink data exists at the network side, sending a first PDCCH frame to the terminal, wherein the first PDCCH frame comprises a training sequence loaded on the first PDCCH; and adopting the training sequence to acquire the block error rate of the wireless link by the terminal so as to carry out detection on the wireless link. The method and the device for detecting the wireless link are suitable for use in a shared network environment.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of detection method and device of wireless link.
Background technology
In wireless network, terminal and network side, in the process communicating, all need to carry out Radio Link Detection, if the either party of terminal and network side detects wireless link, go wrong, and the communication between terminal and network side enters abnormality processing flow process.Wireless link detecting method has multiple, and wherein synchronous/asynchronous detection is the basic skills of Radio Link Detection.
At Long Term Evolution (Long Term Evolution, abbreviation LTE) in network, it is by Physical Downlink Control Channel (Physical Downlink Control Channel that agreement regulation down wireless link detects, abbreviation PDCCH) Block Error Rate (Block Error Ratio is called for short BLER) judges the synchronous or step-out of terminal and network side.In LTE network, by (the Reference Signal Receiving Power of the Reference Signal Received Power in computing cycle downlink data, abbreviation RSRP) Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio is called for short SINR) is converted out the BLER of PDCCH.The judgment basis synchronous or step-out of judgement terminal and network side is: judge that the condition of step-out is as using 8 control channel elements (Control Channel Element, the BLER of abbreviation CCE) the 1C form downgoing line control information of carrying (Downlink Control Information is called for short DCI) is more than or equal to 10%; Judge that synchronous condition is for being used the BLER of the 1A form DCI of 4CCE carrying to be less than or equal to 2%.
Because the BLER of prior art is that SINR conversion by RSRP in downlink data comes, conversion process is inaccurate, causes the synchronous/asynchronous inconsistent of network side and terminal.
Summary of the invention
Embodiments of the invention provide a kind of detection method and device of wireless link, can improve the synchronous/asynchronous accuracy of network side and terminal.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A detection method for wireless link, comprising:
According to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH;
When network side does not have downlink data, send a PDCCH frame to terminal, a described PDCCH frame comprises the training sequence of the upper carrying of a PDCCH, described training sequence is used for obtaining the Block Error Rate of wireless link by described terminal.
A detection method for wireless link, comprising:
Receive the PDCCH frame that network side sends;
Described in demodulation, a PDCCH frame obtains training sequence;
According to described training sequence, obtain the Block Error Rate of wireless link, and carry out Radio Link Detection according to described Block Error Rate.
A base station, comprising:
Dispensing unit, for according to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH;
Transmitting element, when there is no downlink data in base station, sends a PDCCH frame to terminal, and a described PDCCH frame comprises the training sequence of the upper carrying of a PDCCH, described training sequence by described terminal for obtaining the Block Error Rate of wireless link.
A terminal, comprising:
Receiving element, the PDCCH frame sending for receiving base station;
Demodulating unit, obtains training sequence for a PDCCH frame described in demodulation;
Detecting unit, for obtain the Block Error Rate of wireless link according to described training sequence, and carries out Radio Link Detection according to described Block Error Rate.
The detection method of the wireless link that the embodiment of the present invention provides and device, by configuring a PDCCH, in the situation that network side does not have downlink data, transmission carries a PDCCH frame of training sequence to terminal, make described terminal obtain Block Error Rate according to this training sequence, thereby implementation Radio Link Detection, has guaranteed consistent synchronous/asynchronous with terminal of network side.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the detection method of the wireless link that Fig. 1 provides for the embodiment of the present invention;
The flow chart of the detection method of the wireless link that Fig. 2 provides for further embodiment of this invention;
The flow chart of the detection method of the wireless link that Fig. 3 provides for another embodiment of the present invention;
Fig. 4 is the radio jink failure restoration methods schematic diagram in another embodiment of the present invention;
The structural representation one of the base station that Fig. 5 provides for the embodiment of the present invention;
The structural representation two of the base station that Fig. 6 provides for the embodiment of the present invention;
The structural representation one of the terminal that Fig. 7 provides for the embodiment of the present invention;
The structural representation two of the terminal that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the detection system of the wireless link that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
For making the advantage of technical solution of the present invention clearer, below in conjunction with drawings and Examples, the present invention is elaborated.
As shown in Figure 1, the detection method of the wireless link that the embodiment of the present invention provides, comprising:
Step 101, according to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH.
Wherein, described Traffic Channel is the communication path between terminal and base station, and for customer service and signaling-information transmission, the PDCCH of described Traffic Channel, for when network side has descending control data, sends described descending control data to terminal.
Wherein, a described PDCCH allly in the community that covers of network side receives the terminal PDCCH in common knowledge that network side is broadcasted, and in described community, can only have a described PDCCH, but is not only confined to this.Terminal in described like this community is shared a described PDCCH, can save PDCCH resource.
Step 102, when network side does not have downlink data, send a PDCCH frame to terminal, a described PDCCH frame comprises the training sequence of the upper carrying of a PDCCH, described training sequence by described terminal for obtaining the Block Error Rate of wireless link.
For example, because a described PDCCH frame is disturbed in transmitting procedure, it is different from the training sequence that network side sends that described terminal receives training sequence, can calculate the Block Error Rate of wireless link, but not only be confined to this.
As shown in Figure 2, the detection method of the wireless link that further embodiment of this invention provides, comprising:
The PDCCH frame that step 201, reception network side send.
Wherein, a described PDCCH frame comprises the training sequence of a PDCCH carrying, and a described PDCCH is the PDCCH that network side obtains according to the attribute configuration of the PDCCH of described Traffic Channel.
Described in step 202, demodulation, a PDCCH frame obtains training sequence.
Step 203, according to described training sequence, obtain the Block Error Rate of wireless link, and carry out Radio Link Detection according to described Block Error Rate.
The technical scheme that adopts the embodiment of the present invention to provide, by network side, configure a PDCCH, in the situation that network side does not have downlink data, network side transmission carries a PDCCH frame of training sequence to terminal, make described terminal obtain Block Error Rate according to this training sequence, thereby implementation Radio Link Detection, has guaranteed consistent synchronous/asynchronous with terminal of network side.Compared with prior art, the technical scheme that the embodiment of the present invention provides can solve in prior art, because the method for the SINR conversion BLER by RSRP in downlink data is converted out to such an extent that BLER is inaccurate, and cause the synchronous/asynchronous inconsistent problem of network side and terminal.
In order to make those skilled in the art better understand the present invention, below by a specific embodiment, illustrate.
As shown in Figure 3, the detection method of the wireless link that another embodiment of the present invention provides, comprising:
Step 301, network side obtain the property parameters of the PDCCH of Traffic Channel.
Wherein, described property parameters comprises maximum control channel Elements C CE number, watt level, the control information DCI form transmitting in PDCCH, but is not only confined to this.
Step 302, network side are according to the property parameters of property parameters configuration the one PDCCH of the PDCCH of described Traffic Channel.
Wherein, the property parameters of a described PDCCH comprises maximum CCE number, watt level, the DCI form of a PDCCH; The maximum CCE number of a described PDCCH, watt level, DCI form are identical with maximum CCE number, watt level, the DCI form of the PDCCH of described Traffic Channel, but are not only confined to this.
Step 303, network side arrange frequency domain position and the time-domain position of a described PDCCH, and described frequency domain position and time-domain position are sent to described terminal, to indicate described terminal to receive a described PDCCH frame on described frequency domain position and time-domain position.When network side has downlink data, execution step 304-306, network side is during without downlink data, execution step 309-311.
Wherein, the sequence change that described fixing frequency domain and time-domain position can be known altogether according to terminal in practical application and network side, but be not only confined to this.
By the frequency domain position that a PDCCH is set and the time-domain position of step 303, make the described PDCCH of the convenient application of described terminal, and without the mode that adopts blind Detecting.
Step 304, network side send the PDCCH frame of Traffic Channel to terminal.
Wherein, the PDCCH frame of described Traffic Channel carries downlink data.
The PDCCH frame of Traffic Channel described in step 305, terminal demodulation.
Step 306, terminal are obtained the Block Error Rate of wireless link according to described downlink data, and carry out Radio Link Detection according to described Block Error Rate.Execution step 307-308.
Step 307, when network side detects wireless link and breaks down and exceed the time setting in advance, network side enters RRC idle state by radio resource control RRC connection status, and sends service paging to described terminal.When Block Error Rate surpasses predetermined Block Error Rate thresholding, network side can determine that wireless link breaks down, and described predetermined Block Error Rate thresholding can be 10%.
Step 308, terminal enter RRC idle state according to described service paging by RRC connection status, and again connect with network side.
In order to make step 307-step 308 more concrete, radio jink failure restoration methods schematic diagram that can be shown in Figure 4.
Step 309, network side send a PDCCH frame to terminal.
Wherein, a described PDCCH frame carries training sequence.
A PDCCH frame described in step 310, terminal demodulation.
Step 311, terminal are obtained the Block Error Rate of wireless link according to described training sequence, and carry out Radio Link Detection according to described Block Error Rate.Execution step 307-308.
The detection method of the wireless link that another embodiment of the present invention provides, by network side, configure a PDCCH, in the situation that network side does not have downlink data, transmission carries a PDCCH frame of training sequence to terminal, make described terminal obtain Block Error Rate according to this training sequence, thereby implementation Radio Link Detection, guaranteed consistent synchronous/asynchronous with terminal of network side, and when wireless link being detected at network side and break down and exceed the time setting in advance, by network side, to described terminal, send service paging, make described terminal enter RRC idle state by RRC connection status, and radio jink failure is restored.Compared with prior art, the embodiment of the present invention can solve in prior art, because the method for the SINR conversion BLER by RSRP in downlink data is converted out to such an extent that BLER is inaccurate, and cause the synchronous/asynchronous inconsistent of network side and terminal, and then when link occurs fault, terminal cannot be found fault, the problem that fault is recovered in time.
As shown in Figure 5, the base station that the embodiment of the present invention provides, comprising:
Dispensing unit 41, for according to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH.Its specific implementation can, referring in Fig. 1 shown in step 101, repeat no more herein.
Transmitting element 42, when there is no downlink data in base station, sends a PDCCH frame to terminal.
Wherein, a described PDCCH frame comprises the training sequence of the upper carrying of a PDCCH.Its specific implementation can, referring in Fig. 1 shown in step 102, repeat no more herein.
Further, as shown in Figure 6, described dispensing unit 41 comprises:
Acquisition module 411, for obtaining the property parameters of the PDCCH of Traffic Channel.
Wherein, described property parameters comprises maximum control channel Elements C CE number, watt level, the control information DCI form transmitting in PDCCH.Its specific implementation can, referring in Fig. 3 shown in step 301, repeat no more herein.
Parameter configuration module 412, for configure the property parameters of a PDCCH according to the property parameters of the PDCCH of described Traffic Channel, the property parameters of a described PDCCH comprises maximum CCE number, watt level, the DCI form of a PDCCH; The maximum CCE number of a described PDCCH, watt level, DCI form are identical with maximum CCE number, watt level, the DCI form of the PDCCH of described Traffic Channel.Its specific implementation can, referring in Fig. 3 shown in step 302, repeat no more herein.
Further, as shown in Figure 6, described dispensing unit 41 also comprises:
Time-domain and frequency-domain arranges module 413, for frequency domain position and the time-domain position of a described PDCCH are set, and described frequency domain position and time-domain position are sent to described terminal, to indicate described terminal to receive a described PDCCH frame on described frequency domain position and time-domain position.Its specific implementation can, referring in Fig. 3 shown in step 303, repeat no more herein.
Further, as shown in Figure 6, described base station also comprises:
Service paging unit 43, when breaking down and exceeding the time setting in advance for wireless link detected in described base station, described base station enters RRC idle state by radio resource control RRC connection status, and send service paging to described terminal, make described terminal by RRC connection status, enter RRC idle state by described service paging.Its specific implementation can, referring in Fig. 3 shown in step 307-308, repeat no more herein.
A kind of base station that the embodiment of the present invention provides, by dispensing unit, configure a PDCCH, in the situation that base station does not have downlink data, transmitting element transmission carries a PDCCH frame of training sequence to terminal, make described terminal obtain Block Error Rate according to this training sequence, thereby implementation Radio Link Detection, guaranteed consistent synchronous/asynchronous with terminal in base station, and when wireless link being detected in described base station and breaking down and exceed the time setting in advance, service paging unit sends service paging to described terminal, make described terminal enter RRC idle state by RRC connection status, and radio jink failure is restored.Compared with prior art, the embodiment of the present invention can solve in prior art, because the method for the SINR conversion BLER by RSRP in downlink data is converted out to such an extent that BLER is inaccurate, and cause the synchronous/asynchronous inconsistent of network side and terminal, and then when link occurs fault, terminal cannot be found fault, the problem that fault is recovered in time.
As shown in Figure 7, the terminal that the embodiment of the present invention provides, comprising:
Receiving element 51, the PDCCH frame sending for receiving base station.
Wherein, a described PDCCH is the PDCCH that base station obtains according to the attribute configuration of the PDCCH of described Traffic Channel.Its specific implementation can, referring in Fig. 2 shown in step 201, repeat no more herein.
Demodulating unit 52, obtains training sequence for a PDCCH frame described in demodulation.Its specific implementation can, referring in Fig. 2 shown in step 202, repeat no more herein.
Detecting unit 53, for obtain the Block Error Rate of wireless link according to described training sequence, and carries out Radio Link Detection according to described Block Error Rate.Its specific implementation can, referring in Fig. 2 shown in step 203, repeat no more herein.
Further, as shown in Figure 8, described terminal also comprises:
Linkage unit 54, if receive the service paging that base station sends when the RRC connection status for terminal, terminal enters RRC idle state by RRC connection status, and re-establishes and be connected with base station.Its specific implementation can, referring in Fig. 3 shown in step 307-308, repeat no more herein.
The terminal that the embodiment of the present invention provides, when there is no downlink data, by receiving element, receive the PDCCH frame that base station sends, described in demodulating unit demodulation, a PDCCH frame obtains after training sequence, by detecting unit, carry out Radio Link Detection, guaranteed consistent synchronous/asynchronous with terminal in base station, the first linkage unit in terminal when RRC connection status receives the service paging that base station sends, terminal enters RRC idle state by RRC connection status, and re-establish and be connected with base station, and radio jink failure is restored.Compared with prior art, the embodiment of the present invention can solve in prior art, because the method for the SINR conversion BLER by RSRP in downlink data is converted out to such an extent that BLER is inaccurate, and cause the synchronous/asynchronous inconsistent of network side and terminal, and then when link occurs fault, terminal cannot be found fault, the problem that fault is recovered in time.
As shown in Figure 9, the detection system of the wireless link that the embodiment of the present invention provides, comprises base station 61 and the terminal 62 described in the detection method embodiment of wireless link, wherein,
Described base station 61, be used for according to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH, in base station, 61 while not having downlink data, sends a PDCCH frame to terminal 62, and a described PDCCH frame comprises the training sequence of the upper carrying of a PDCCH.
Described terminal 62, the PDCCH frame sending for receiving base station 61, obtains the Block Error Rate of wireless link, and carries out Radio Link Detection according to described Block Error Rate according to the training sequence on a described PDCCH frame.
Its specific implementation, referring to the specific embodiment of the detection method of above-mentioned wireless link, repeats no more herein.
The detection system of the wireless link that the embodiment of the present invention provides, by base station, configure a PDCCH, in the situation that base station does not have downlink data, transmission carries a PDCCH frame of training sequence to terminal, make described terminal obtain Block Error Rate according to this training sequence, thereby implementation Radio Link Detection, has guaranteed consistent synchronous/asynchronous with terminal in base station.Compared with prior art, the embodiment of the present invention can solve in prior art, because the method for the SINR conversion BLER by RSRP in downlink data is converted out to such an extent that BLER is inaccurate, and causes the synchronous/asynchronous inconsistent problem of network side and terminal.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.
Claims (10)
1. a detection method for wireless link, is characterized in that, comprising:
According to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH;
When network side does not have downlink data, send a PDCCH frame to terminal, a described PDCCH frame comprises the training sequence of the upper carrying of a PDCCH, described training sequence is used for obtaining the Block Error Rate of wireless link by described terminal;
Wherein, described according to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH, comprising:
Obtain the property parameters of the PDCCH of Traffic Channel, described property parameters comprises maximum control channel Elements C CE number, watt level, the control information DCI form transmitting in PDCCH;
According to the property parameters of property parameters configuration the one PDCCH of the PDCCH of described Traffic Channel, the property parameters of a described PDCCH comprises maximum CCE number, watt level, the DCI form of a PDCCH; The maximum CCE number of a described PDCCH, watt level, DCI form are identical with maximum CCE number, watt level, the DCI form of the PDCCH of described Traffic Channel.
2. method according to claim 1, is characterized in that, described according to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH, also comprises:
Frequency domain position and the time-domain position of a described PDCCH are set, and described frequency domain position and time-domain position are sent to described terminal, to indicate described terminal to receive a described PDCCH frame on described frequency domain position and time-domain position.
3. method according to claim 1, is characterized in that, also comprises:
When network side detects wireless link and breaks down and exceed the time setting in advance, network side enters RRC idle state by radio resource control RRC connection status, and send service paging to described terminal, make described terminal by RRC connection status, enter RRC idle state by described service paging.
4. a detection method for wireless link, is characterized in that, comprising:
Receive the PDCCH frame that network side sends;
A described PDCCH frame comprises the training sequence of a PDCCH carrying, and a described PDCCH is the PDCCH that network side obtains according to the attribute configuration of the PDCCH of Traffic Channel;
Wherein, described property parameters comprises maximum control channel Elements C CE number, watt level, the control information DCI form transmitting in PDCCH;
The property parameters of a described PDCCH comprises maximum CCE number, watt level, the DCI form of a PDCCH; The maximum CCE number of a described PDCCH, watt level, DCI form are identical with maximum CCE number, watt level, the DCI form of the PDCCH of described Traffic Channel;
Described in demodulation, a PDCCH frame obtains training sequence;
According to described training sequence, obtain the Block Error Rate of wireless link, and carry out Radio Link Detection according to described Block Error Rate.
5. method according to claim 4, is characterized in that, also comprises:
If terminal receives the service paging that network side sends when RRC connection status, terminal enters RRC idle state by RRC connection status, and re-establishes and be connected with network side.
6. a base station, is characterized in that, comprising:
Dispensing unit, for according to the attribute configuration of the physical downlink control channel PDCCH of Traffic Channel the one PDCCH;
Transmitting element, when there is no downlink data in base station, sends a PDCCH frame to terminal, and a described PDCCH frame comprises the training sequence of the upper carrying of a PDCCH, described training sequence by described terminal for obtaining the Block Error Rate of wireless link;
Described dispensing unit comprises:
Acquisition module, for obtaining the property parameters of the PDCCH of Traffic Channel, described property parameters comprises maximum control channel Elements C CE number, watt level, the control information DCI form transmitting in PDCCH;
Parameter configuration module, for configure the property parameters of a PDCCH according to the property parameters of the PDCCH of described Traffic Channel, the property parameters of a described PDCCH comprises maximum CCE number, watt level, the DCI form of a PDCCH; The maximum CCE number of a described PDCCH, watt level, DCI form are identical with maximum CCE number, watt level, the DCI form of the PDCCH of described Traffic Channel.
7. base station according to claim 6, is characterized in that, described dispensing unit also comprises:
Time-domain and frequency-domain arranges module, for frequency domain position and the time-domain position of a described PDCCH are set, and described frequency domain position and time-domain position are sent to described terminal, to indicate described terminal to receive a described PDCCH frame on described frequency domain position and time-domain position.
8. base station according to claim 6, is characterized in that, also comprises:
The first service paging unit, when breaking down and exceeding the time setting in advance for wireless link detected in described base station, described base station enters RRC idle state by radio resource control RRC connection status, and send service paging to described terminal, make described terminal by RRC connection status, enter RRC idle state by described service paging.
9. a terminal, is characterized in that, comprising:
Receiving element, the PDCCH frame sending for receiving base station;
A described PDCCH frame comprises the training sequence of a PDCCH carrying, and a described PDCCH is the PDCCH that network side obtains according to the attribute configuration of the PDCCH of Traffic Channel;
Wherein, described property parameters comprises maximum control channel Elements C CE number, watt level, the control information DCI form transmitting in PDCCH;
The property parameters of a described PDCCH comprises maximum CCE number, watt level, the DCI form of a PDCCH; The maximum CCE number of a described PDCCH, watt level, DCI form are identical with maximum CCE number, watt level, the DCI form of the PDCCH of described Traffic Channel;
Demodulating unit, obtains training sequence for a PDCCH frame described in demodulation;
Detecting unit, for obtain the Block Error Rate of wireless link according to described training sequence, and carries out Radio Link Detection according to described Block Error Rate.
10. terminal according to claim 9, is characterized in that, described terminal also comprises:
The first linkage unit, if receive the service paging that base station sends when the RRC connection status for terminal, terminal enters RRC idle state by RRC connection status, and re-establishes and be connected with base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451669.9A CN102546137B (en) | 2011-12-29 | 2011-12-29 | Method and device for detecting wireless link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451669.9A CN102546137B (en) | 2011-12-29 | 2011-12-29 | Method and device for detecting wireless link |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102546137A CN102546137A (en) | 2012-07-04 |
| CN102546137B true CN102546137B (en) | 2014-09-17 |
Family
ID=46352162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110451669.9A Active CN102546137B (en) | 2011-12-29 | 2011-12-29 | Method and device for detecting wireless link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102546137B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921596B (en) * | 2015-12-28 | 2020-05-12 | 上海诺基亚贝尔股份有限公司 | Method, equipment and system for ToA information estimation and channel estimation |
| US11304226B2 (en) * | 2016-05-09 | 2022-04-12 | Sharp Kabushiki Kaisha | User equipments, base stations and methods |
| CN113826425B (en) * | 2019-05-29 | 2023-07-18 | 华为技术有限公司 | Link detection method, device and related equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883369A (en) * | 2010-07-06 | 2010-11-10 | 新邮通信设备有限公司 | Blind detection method |
| CN102111802A (en) * | 2011-02-28 | 2011-06-29 | 上海华为技术有限公司 | Method and network equipment adopting same for measuring error information transmission |
| CN102143593A (en) * | 2011-03-25 | 2011-08-03 | 电信科学技术研究院 | Combined adaptive resource allocation method and device for PDCCH (Physical Downlink Control Channel) |
| CN102186201A (en) * | 2011-05-17 | 2011-09-14 | 大唐移动通信设备有限公司 | User equipment (UE) and method for detecting physical downlink control channel (PDCCH) |
| CN102204318A (en) * | 2008-11-03 | 2011-09-28 | 飞思卡尔半导体公司 | Techniques for radio link problem and recovery detection in a wireless communication system |
| CN102238611A (en) * | 2010-04-30 | 2011-11-09 | 中国移动通信集团公司 | Method for reporting channel quality of control area and method and device for configuring control channel |
| CN102293037A (en) * | 2009-01-20 | 2011-12-21 | 夏普株式会社 | Mobile station apparatus, base station apparatus, method for determining wireless link synchronization |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8300757B2 (en) * | 2008-08-08 | 2012-10-30 | Motorola Mobility Llc | Methods for detection of failure and recovery in a radio link |
| CN102177674B (en) * | 2008-10-08 | 2014-12-03 | 爱立信电话股份有限公司 | Method and apparatus for selecting control channel elements for physical downlink control channel |
-
2011
- 2011-12-29 CN CN201110451669.9A patent/CN102546137B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102204318A (en) * | 2008-11-03 | 2011-09-28 | 飞思卡尔半导体公司 | Techniques for radio link problem and recovery detection in a wireless communication system |
| CN102293037A (en) * | 2009-01-20 | 2011-12-21 | 夏普株式会社 | Mobile station apparatus, base station apparatus, method for determining wireless link synchronization |
| CN102238611A (en) * | 2010-04-30 | 2011-11-09 | 中国移动通信集团公司 | Method for reporting channel quality of control area and method and device for configuring control channel |
| CN101883369A (en) * | 2010-07-06 | 2010-11-10 | 新邮通信设备有限公司 | Blind detection method |
| CN102111802A (en) * | 2011-02-28 | 2011-06-29 | 上海华为技术有限公司 | Method and network equipment adopting same for measuring error information transmission |
| CN102143593A (en) * | 2011-03-25 | 2011-08-03 | 电信科学技术研究院 | Combined adaptive resource allocation method and device for PDCCH (Physical Downlink Control Channel) |
| CN102186201A (en) * | 2011-05-17 | 2011-09-14 | 大唐移动通信设备有限公司 | User equipment (UE) and method for detecting physical downlink control channel (PDCCH) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102546137A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110754106B (en) | Wireless link monitoring method and device | |
| AU2014321006B2 (en) | NCT SCC activation and control apparatus and method, management method, and base station apparatus | |
| EP2828996B1 (en) | Radio link monitoring based on two control channels in a wireless communication device | |
| KR101261701B1 (en) | Methods for detection of failure and recovery in a radio link | |
| CN104303562B (en) | Radio link monitoring in wireless telecom equipment | |
| CN111345058A (en) | Radio link monitoring/radio link failure reconfiguration at partial handover of bandwidth | |
| EP2670188A1 (en) | Cqi reporting method, cqi acquisition method, system, terminal and base station | |
| CN113767710A (en) | Adapting UE serving cell procedure based on DL CCA operation information | |
| CN103765946B (en) | A kind of method and apparatus of Radio Link monitoring | |
| CN102160323A (en) | Method and apparatus for lte radio link failure determination in drx mode | |
| CN101998474A (en) | Method and device for judging wireless link failure in carrier wave aggregation technology | |
| CN113692000B (en) | Method, terminal and storage medium for receiving common control message | |
| WO2015007152A1 (en) | Method and apparatus for indicating dm-rs pattern | |
| CN113412639A (en) | Method and apparatus for handling requests after loss of radio connection | |
| WO2019062646A1 (en) | Method and device for reporting signal quality, storage medium, and processor | |
| CN105898686A (en) | Radio link failure recovery method and user equipment | |
| CN102546137B (en) | Method and device for detecting wireless link | |
| CN103874119B (en) | A kind of method and apparatus of monitoring LTE system downlink channel quality | |
| CN102694618B (en) | A method for detecting loss of synchronism in an idle state and terminal device | |
| CN113852441B (en) | Cross time slot interference processing method, base station, device and medium | |
| CN103634835A (en) | Method, device and system for testing whether sub frame ratio can be replaced | |
| CN111757377B (en) | Method and terminal for monitoring direct link | |
| CN104581805A (en) | Interference measurement method and equipment for channel in eIMTA system | |
| CN112399439B (en) | Signal transmission method, terminal equipment and network equipment | |
| CN103369575B (en) | A kind of determination methods of limited channel and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |