CN107819552A - A kind of method and device of feedback information - Google Patents
A kind of method and device of feedback information Download PDFInfo
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- CN107819552A CN107819552A CN201610816152.8A CN201610816152A CN107819552A CN 107819552 A CN107819552 A CN 107819552A CN 201610816152 A CN201610816152 A CN 201610816152A CN 107819552 A CN107819552 A CN 107819552A
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- Prior art keywords
- current communications
- base station
- communications link
- link state
- communication link
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0675—Space-time coding characterised by the signaling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1806—Go-back-N protocols
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and device of feedback information.This method includes：The receiving power of data block is obtained, and contrasts the receiving power and predetermined power threshold value of the data block；According to the receiving power and the magnitude relationship of the predetermined power threshold value, the current communications link state of link is determined, the current communications link state is including communication link is good, communication link is impaired and communication link blocks；To base station or terminal feedback current communications link state, in a manner of causing the base station or the terminal to determine wave beam tracking according to the current communications link state.Whether the present invention can be not only properly received with feedback data by introducing multiple communication link state information, and can obtain the quality information of present transmission link, and assistance data retransmits or subsequent data transmission, improve the robustness of transmission.
Description
Technical field
The present embodiments relate to the technical field of communication, more particularly to a kind of method and device of feedback information.
Background technology
For the transmitting of data, third generation cooperative partner program (3rd Generation Partnership
Project, 3GPP) mixing is just introduced in Long Term Evolution (Long Term Evolution, LTE) initial version automatically
Request retransmission (Hybrid Automatic Repeat Quest, HARQ) strengthens link performance.In order to aid in HARQ procedure,
Terminal reports down by using physical uplink control channel (Physical Uplink Control Channel, PUCCH)
Row data reception condition, when being fed back to ACK, represent to be properly received, it is not necessary to retransmit；When for NACK when, represent receive mistake,
Base station needs to retransmit.Base station then utilizes physical mixed automatic re-transmission indicating channel (Physical Hybrid ARQ Indicator
Channel, PHICH) channel informs terminal uplink data receiver situation, when base station repeats are ACK, represent uplink receiving without
By mistake, it is not necessary to retransmit；When for NACK when, represent uplink receiving error, it is desirable to terminal is retransmitted.
Current either uplink feedback or downstream feedback, all only indicate reception condition with 1 bit information, and " 1 " represents
ACK, " 0 " represent NACK.Indicate whether to be properly received with 1 bit information, feedback bits can be saved really, in LTE
It is applicable that quasi- omnidirectional, which receives, but when transmitting data using the narrow beam of high orientation, this mode can strengthen,
Except that can represent whether relevant link message is correctly received with similar to ACK/NACK modes, it is also necessary to which forward pass is worked as in expression
Transmission link quality, for aiding in follow-up data transfer.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device of feedback information, it is intended to which it is more how solution introduces
The problem of individual communication link state information.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, a kind of method of feedback information, methods described include：
The receiving power of data block is obtained, and contrasts the receiving power and predetermined power threshold value of the data block；
According to the receiving power and the magnitude relationship of the predetermined power threshold value, the current communications link shape of link is determined
State, the current communications link state is including communication link is good, communication link is impaired and communication link blocks；
To base station or terminal feedback current communications link state, to cause the base station or the terminal according to
Current communications link state determines the mode of wave beam tracking.
Preferably, it is described according to the receiving power and the magnitude relationship of the predetermined power threshold value, determine working as link
Preceding communication link state, including：
When the receiving power is more than the first power threshold, it is determined that the current communications link state is communication link
Well；
When the receiving power is less than the first power threshold more than the second power threshold, it is determined that the present communications chain
Line state is damaged for communication link；
When the receiving power is less than the second power threshold, it is determined that the current communications link state is communication link
Obstruction.
Preferably, it is described to feed back current communications link state to base station or terminal, including：
If the current communications link state is that communication link is good, fed back to the base station or the terminal
“00”；
If the current communications link state is damaged for communication link, fed back to the base station or the terminal
“01”；
If the current communications link state is blocked for communication link, fed back to the base station or the terminal
“11”。
Preferably, it is described to base station or terminal feedback current communications link state before, in addition to：
Determine whether to be properly received the data block；
It is described to base station or terminal feed back current communications link state while, in addition to：
The reception condition of the data block is fed back to the base station or terminal.
Preferably, the reception condition that the data block is fed back to the base station or terminal, including：
If the downlink data block is properly received, and the current communications link state is that communication link is good, then to institute
Base station or terminal feedback " 000 " are stated, described " 000 " is used to represent " ACK+ communication links are good "；
If the downlink data block is properly received, and the current communications link state is damaged for communication link, then to institute
Base station or terminal feedback " 001 " are stated, described " 001 " is used to represent " ACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link it is good, then to
The base station or terminal feedback " 100 ", described " 100 " are used to represent " NACK+ communication links are good "；
If not being properly received the downlink data block, and the current communications link state is damaged for communication link, then to
The base station or terminal feedback " 101 ", described " 101 " are used to represent " NACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link obstruction, then to
The base station or terminal feedback " 111 ", " 111 " are used for " NACK+ communication links obstruction ".
Second aspect, a kind of device of feedback information, described device include：
Acquisition module, for obtaining the receiving power of data block；
Contrast module, for contrasting the receiving power and predetermined power threshold value of the data block；
Determining module, for the magnitude relationship according to the receiving power and the predetermined power threshold value, determine link
Current communications link state, the current communications link state is including communication link is good, communication link is damaged and communication link
Obstruction；
Feedback module, for feeding back current communications link state to base station or terminal, to cause the base station or institute
State the mode that terminal determines wave beam tracking according to the current communications link state.
Preferably, the determining module, is specifically used for：
When the receiving power is more than the first power threshold, it is determined that the current communications link state is communication link
Well；
When the receiving power is less than the first power threshold more than the second power threshold, it is determined that the present communications chain
Line state is damaged for communication link；
When the receiving power is less than the second power threshold, it is determined that the current communications link state is communication link
Obstruction.
Preferably, the feedback module, is specifically used for：
If the current communications link state is that communication link is good, fed back to the base station or the terminal
“00”；
If the current communications link state is damaged for communication link, fed back to the base station or the terminal
“01”；
If the current communications link state is blocked for communication link, fed back to the base station or the terminal
“11”。
Preferably, the determining module, also particularly useful for：To base station or terminal feed back current communications link state it
Before, it is determined whether it is properly received the data block；
The feedback module, also particularly useful for：Described the same of current communications link state is fed back to base station or terminal
When, to the base station or the reception condition of the terminal feedback data block.
Preferably, the feedback module, also particularly useful for：
If the downlink data block is properly received, and the current communications link state is that communication link is good, then to institute
Base station or terminal feedback " 000 " are stated, described " 000 " is used to represent " ACK+ communication links are good "；
If the downlink data block is properly received, and the current communications link state is damaged for communication link, then to institute
Base station or terminal feedback " 001 " are stated, described " 001 " is used to represent " ACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link it is good, then to
The base station or terminal feedback " 100 ", described " 100 " are used to represent " NACK+ communication links are good "；
If not being properly received the downlink data block, and the current communications link state is damaged for communication link, then to
The base station or terminal feedback " 101 ", described " 101 " are used to represent " NACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link obstruction, then to
The base station or terminal feedback " 111 ", " 111 " are used for " NACK+ communication links obstruction ".
The embodiment of the present invention provides a kind of method and device of feedback information, obtains the receiving power of data block, and contrast
The receiving power and predetermined power threshold value of the data block；Closed according to the size of the receiving power and the predetermined power threshold value
System, determines the current communications link state of link, the current communications link state include communication link is good, communication link by
Damage and communication link obstruction；To base station or terminal feedback current communications link state, to cause the base station or the end
End determines the mode of wave beam tracking according to the current communications link state.The present invention is believed by introducing multiple communication link states
Whether breath, can be not only properly received with feedback data, and can obtain the quality information of present transmission link, assistance data weight
Biography or subsequent data transmission, improve the robustness of transmission.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention provides a kind of schematic flow sheet of the method for feedback information；
Fig. 2 is the schematic flow sheet of the method for another feedback information provided in an embodiment of the present invention；
Fig. 3 is a kind of high-level schematic functional block diagram of the device of feedback information provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of describing, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to figure 1, Fig. 1 is a kind of schematic flow sheet of the method for feedback information provided in an embodiment of the present invention.
As shown in figure 1, the method for the feedback information includes：
Step 101, the receiving power of data block is obtained, and contrasts the receiving power and predetermined power threshold of the data block
Value；
Specifically, the base station defines two power thresholds according to scene and network condition is currently configured：First power-threshold
Value and the second power threshold.When the terminal or the base station receiving power are more than the first power threshold, present communications are represented
Link-quality is good；When the terminal or the base station receiving power are less than the first power threshold more than the second power threshold,
Represent current communications link compromised quality；When the terminal or the base station receiving power are less than the second power threshold, represent
Current communications link is blocked.
Step 102, according to the receiving power and the magnitude relationship of the predetermined power threshold value, the current logical of link is determined
Believe Link State, the current communications link state is including communication link is good, communication link is impaired and communication link blocks；
Preferably, it is described according to the receiving power and the magnitude relationship of the predetermined power threshold value, determine working as link
Preceding communication link state, including：
When the receiving power is more than the first power threshold, it is determined that the current communications link state is communication link
Well；
When the receiving power is less than the first power threshold more than the second power threshold, it is determined that the present communications chain
Line state is damaged for communication link；
When the receiving power is less than the second power threshold, it is determined that the current communications link state is communication link
Obstruction.
Step 103, current communications link state is fed back to base station or terminal, to cause the base station or the terminal
The mode of wave beam tracking is determined according to the current communications link state.
Preferably, it is described to feed back current communications link state to base station or terminal, including：
If the current communications link state is that communication link is good, fed back to the base station or the terminal
“00”；
If the current communications link state is damaged for communication link, fed back to the base station or the terminal
“01”；
If the current communications link state is blocked for communication link, fed back to the base station or the terminal
“11”。
The embodiment of the present invention provides a kind of method of feedback information, obtains the receiving power of data block, and contrast the number
According to the receiving power and predetermined power threshold value of block；According to the receiving power and the magnitude relationship of the predetermined power threshold value, really
Determine the current communications link state of link, the current communications link state include that communication link is good, communication link is impaired and
Communication link blocks；To base station or terminal feedback current communications link state, to cause the base station or the terminal root
The mode of wave beam tracking is determined according to the current communications link state.The present invention by introducing multiple communication link state information,
Whether can be not only properly received with feedback data, and the quality information of present transmission link can be obtained, assistance data retransmits
Or subsequent data transmission, improve the robustness of transmission.
With reference to figure 2, Fig. 2 is the schematic flow sheet of the method for another feedback information provided in an embodiment of the present invention.
As shown in Fig. 2 the method for the feedback information includes：
Step 201, the receiving power of data block is obtained, and contrasts the receiving power and predetermined power threshold of the data block
Value；
Step 202, according to the receiving power and the magnitude relationship of the predetermined power threshold value, the current logical of link is determined
Believe Link State, the current communications link state is including communication link is good, communication link is impaired and communication link blocks；
Step 203, it is determined whether be properly received the data block；
Step 204, the reception condition of current communications link state and the data block is fed back to base station or terminal, so that
Obtain the mode that the base station or the terminal determine wave beam tracking according to the current communications link state.
Specifically, five kinds of feedback states below the net definitions：" ACK+ communication links are good "；" ACK+ communication links
It is impaired "；" NACK+ communication links are good "；" NACK+ communication links are damaged "；" NACK+ communication links obstruction ", can use 3 bits
Information represents.
Preferably, the reception condition that the data block is fed back to the base station or terminal, including：
If the downlink data block is properly received, and the current communications link state is that communication link is good, then to institute
Base station or terminal feedback " 000 " are stated, described " 000 " is used to represent " ACK+ communication links are good "；
If the downlink data block is properly received, and the current communications link state is damaged for communication link, then to institute
Base station or terminal feedback " 001 " are stated, described " 001 " is used to represent " ACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link it is good, then to
The base station or terminal feedback " 100 ", described " 100 " are used to represent " NACK+ communication links are good "；
If not being properly received the downlink data block, and the current communications link state is damaged for communication link, then to
The base station or terminal feedback " 101 ", described " 101 " are used to represent " NACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link obstruction, then to
The base station or terminal feedback " 111 ", " 111 " are used for " NACK+ communication links obstruction ".
Specifically, for downlink：
When the terminal is properly received downlink data block, and receiving power is more than the first power threshold, it is fed back to
" 000 ", represent " ACK+ communication links are good ".
When the terminal is properly received downlink data block, and receiving power is less than the first power-threshold more than the second power threshold
During value, it is fed back to " 001 ", represents " ACK+ communication links are damaged ".
When the terminal is not properly received downlink data block, and receiving power is more than the first power threshold, it is fed back to
" 100 ", represent " NACK+ communication links are good ".
When the terminal is not properly received downlink data block, and receiving power is less than the first power more than the second power threshold
During threshold value, it is fed back to " 101 ", represents " NACK+ communication links are damaged ".
When the terminal is not properly received downlink data block, and receiving power is less than the second power threshold, it is fed back to
" 111 ", represent " NACK+ communication links obstruction ".
After the base station receives the status information of the terminal feedback, not only it is known that whether passing packet
It is properly received, and corresponding link quality information can be obtained, and follow-up data is adjusted according to link quality information and passed
Defeated strategy or retransmission scheme.
For up-link：
When the base station is properly received uplink data block, and receiving power is more than the first power threshold, it is fed back to
" 000 ", represent " ACK+ communication links are good ".
When the base station is properly received uplink data block, and receiving power is less than the first power-threshold more than the second power threshold
During value, it is fed back to " 001 ", represents " ACK+ communication links are damaged ".
When the base station is not properly received uplink data block, and receiving power is more than the first power threshold, it is fed back to
" 100 ", represent " NACK+ communication links are good ".
When the base station is not properly received uplink data block, and receiving power is less than the first power more than the second power threshold
During threshold value, it is fed back to " 101 ", represents " NACK+ communication links are damaged ".
When the base station is not properly received uplink data block, and receiving power is less than the second power threshold, it is fed back to
" 111 ", represent " NACK+ communication links obstruction ".
After the terminal receives the status information of the base station feedback, not only it is known that whether passing packet
It is properly received, and corresponding link quality information can be obtained, and follow-up data is adjusted according to link quality information and passed
Defeated strategy or retransmission scheme.
In addition, when it is " 000 " that base station, which receives terminal feedback information, can continue using current transmitting-receiving wave beam to entering
The follow-up data transfer of row.
When it is " 001 " that base station, which receives terminal feedback information, although representing that data are properly received, corresponding communication
Link-quality is impaired, if continuing to carry out data transmission using current transmitting-receiving wave beam, it is more likely that data transmission fails are caused,
Now can be according to the ripple that an a small range is carried out between certain Developing Tactics transmitting-receiving wave beam, or triggering terminal and base station
Shu Xunlian.
When it is " 100 " that base station, which receives terminal feedback information, although data are not properly received, communication link quality
Well, represent be not due to beam selection it is improper caused by bust this, can continue to enter line number with current transmitting-receiving wave beam
According to re-transmission.
When it is " 101 " that base station, which receives terminal feedback information, represent that data are not properly received, and communication link quality
It is impaired, it is likely that be due to transmitting-receiving beam selection it is improper caused by bust this.Now just need to adjust according to certain strategy
Data re-transmission is carried out after whole transmitting-receiving wave beam, or triggers an a small range between terminal and base station before the retransmission
Wave beam training.
When it is " 111 " that base station, which receives terminal feedback information, represent that data are not properly received, and communication link blocks.
At this point it is possible to switch to the wave beam that alternative wave beam carries out an a small range between data re-transmission or triggering terminal and base station
Training.
With reference to figure 3, Fig. 3 is a kind of high-level schematic functional block diagram of the device of feedback information provided in an embodiment of the present invention.
As shown in figure 3, described device includes：
Acquisition module 301, for obtaining the receiving power of data block；
Contrast module 302, for contrasting the receiving power and predetermined power threshold value of the data block；
Determining module 303, for the magnitude relationship according to the receiving power and the predetermined power threshold value, determine link
Current communications link state, the current communications link state includes that communication link is good, communication link is impaired and communication chain
Roadlock plug；
Feedback module 304, for feeding back current communications link state to base station or terminal, with cause the base station or
The terminal determines the mode of wave beam tracking according to the current communications link state.
Preferably, the determining module 303, is specifically used for：
When the receiving power is more than the first power threshold, it is determined that the current communications link state is communication link
Well；
When the receiving power is less than the first power threshold more than the second power threshold, it is determined that the present communications chain
Line state is damaged for communication link；
When the receiving power is less than the second power threshold, it is determined that the current communications link state is communication link
Obstruction.
Preferably, the feedback module 304, is specifically used for：
If the current communications link state is that communication link is good, fed back to the base station or the terminal
“00”；
If the current communications link state is damaged for communication link, fed back to the base station or the terminal
“01”；
If the current communications link state is blocked for communication link, fed back to the base station or the terminal
“11”。
Preferably, the determining module 303, also particularly useful for feeding back current communications link state to base station or terminal
Before, it is determined whether be properly received the data block；
The feedback module 304, also particularly useful for：Described current communications link state is fed back to base station or terminal
Meanwhile the reception condition of the data block is fed back to the base station or terminal.
Preferably, the feedback module 304, also particularly useful for：
If the downlink data block is properly received, and the current communications link state is that communication link is good, then to institute
Base station or terminal feedback " 000 " are stated, described " 000 " is used to represent " ACK+ communication links are good "；
If the downlink data block is properly received, and the current communications link state is damaged for communication link, then to institute
Base station or terminal feedback " 001 " are stated, described " 001 " is used to represent " ACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link it is good, then to
The base station or terminal feedback " 100 ", described " 100 " are used to represent " NACK+ communication links are good "；
If not being properly received the downlink data block, and the current communications link state is damaged for communication link, then to
The base station or terminal feedback " 101 ", described " 101 " are used to represent " NACK+ communication links are damaged "；
If be not properly received the downlink data block, and the current communications link state be communication link obstruction, then to
The base station or terminal feedback " 111 ", " 111 " are used for " NACK+ communication links obstruction ".
The embodiment of the present invention provides a kind of device of feedback information, obtains the receiving power of data block, and contrast the number
According to the receiving power and predetermined power threshold value of block；According to the receiving power and the magnitude relationship of the predetermined power threshold value, really
Determine the current communications link state of link, the current communications link state include that communication link is good, communication link is impaired and
Communication link blocks；To base station or terminal feedback current communications link state, to cause the base station or the terminal root
The mode of wave beam tracking is determined according to the current communications link state.The present invention by introducing multiple communication link state information,
Whether can be not only properly received with feedback data, and the quality information of present transmission link can be obtained, assistance data retransmits
Or subsequent data transmission, improve the robustness of transmission.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein
Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (10)
- A kind of 1. method of feedback information, it is characterised in that methods described includes：The receiving power of data block is obtained, and contrasts the receiving power and predetermined power threshold value of the data block；According to the receiving power and the magnitude relationship of the predetermined power threshold value, the current communications link state of link is determined, The current communications link state is including communication link is good, communication link is impaired and communication link blocks；To base station or terminal feedback current communications link state, to cause the base station or the terminal according to described current Communication link state determines the mode of wave beam tracking.
- 2. according to the method for claim 1, it is characterised in that described according to the receiving power and the predetermined power threshold The magnitude relationship of value, the current communications link state of link is determined, including：When the receiving power is more than the first power threshold, it is determined that the current communications link state is that communication link is good It is good；When the receiving power is less than the first power threshold more than the second power threshold, it is determined that the current communications link shape State is damaged for communication link；When the receiving power is less than the second power threshold, it is determined that the current communications link state is communication chain roadlock Plug.
- 3. according to the method for claim 2, it is characterised in that described to feed back current communications link shape to base station or terminal State, including：If the current communications link state is that communication link is good, to the base station or terminal feedback " 00 "；If the current communications link state is damaged for communication link, to the base station or terminal feedback " 01 "；If the current communications link state is blocked for communication link, to the base station or terminal feedback " 11 ".
- 4. according to the method described in claims 1 to 3 any one, it is characterised in that described to work as to base station or terminal feedback Before preceding communication link state, in addition to：Determine whether to be properly received the data block；It is described to base station or terminal feed back current communications link state while, in addition to：The reception condition of the data block is fed back to the base station or terminal.
- 5. according to the method for claim 4, it is characterised in that described to feed back the data block to the base station or terminal Reception condition, including：If the downlink data block is properly received, and the current communications link state is that communication link is good, then to the base Stand or terminal feedback " 000 ", described " 000 " are used to represent " ACK+ communication links are good "；If the downlink data block is properly received, and the current communications link state is damaged for communication link, then to the base Stand or terminal feedback " 001 ", described " 001 " are used to represent " ACK+ communication links are damaged "；If the downlink data block is not properly received, and the current communications link state is that communication link is good, then to described Base station or terminal feedback " 100 ", described " 100 " are used to represent " NACK+ communication links are good "；If the downlink data block is not properly received, and the current communications link state is damaged for communication link, then to described Base station or terminal feedback " 101 ", described " 101 " are used to represent " NACK+ communication links are damaged "；If the downlink data block is not properly received, and the current communications link state is blocked for communication link, then to described Base station or terminal feedback " 111 ", " 111 " are used for " NACK+ communication links obstruction ".
- 6. a kind of device of feedback information, it is characterised in that described device includes：Acquisition module, for obtaining the receiving power of data block；Contrast module, for contrasting the receiving power and predetermined power threshold value of the data block；Determining module, for the magnitude relationship according to the receiving power and the predetermined power threshold value, determine the current of link Communication link state, the current communications link state is including communication link is good, communication link is impaired and communication link blocks；Feedback module, for feeding back current communications link state to base station or terminal, to cause the base station or the end End determines the mode of wave beam tracking according to the current communications link state.
- 7. device according to claim 6, it is characterised in that the determining module, be specifically used for：When the receiving power is more than the first power threshold, it is determined that the current communications link state is that communication link is good It is good；When the receiving power is less than the first power threshold more than the second power threshold, it is determined that the current communications link shape State is damaged for communication link；When the receiving power is less than the second power threshold, it is determined that the current communications link state is communication chain roadlock Plug.
- 8. device according to claim 7, it is characterised in that the feedback module, be specifically used for：If the current communications link state is that communication link is good, to the base station or terminal feedback " 00 "；If the current communications link state is damaged for communication link, to the base station or terminal feedback " 01 "；If the current communications link state is blocked for communication link, to the base station or terminal feedback " 11 ".
- 9. according to the device described in claim 6 to 8 any one, it is characterised in thatThe determining module, also particularly useful for before current communications link state is fed back to base station or terminal, it is determined whether It is properly received the data block；The feedback module, also particularly useful for it is described feed back current communications link state to base station or terminal while, to The base station or terminal feed back the reception condition of the data block.
- 10. device according to claim 9, it is characterised in that the feedback module, also particularly useful for：If the downlink data block is properly received, and the current communications link state is that communication link is good, then to the base Stand or terminal feedback " 000 ", described " 000 " are used to represent " ACK+ communication links are good "；If the downlink data block is properly received, and the current communications link state is damaged for communication link, then to the base Stand or terminal feedback " 001 ", described " 001 " are used to represent " ACK+ communication links are damaged "；If the downlink data block is not properly received, and the current communications link state is that communication link is good, then to described Base station or terminal feedback " 100 ", described " 100 " are used to represent " NACK+ communication links are good "；If the downlink data block is not properly received, and the current communications link state is damaged for communication link, then to described Base station or terminal feedback " 101 ", described " 101 " are used to represent " NACK+ communication links are damaged "；If the downlink data block is not properly received, and the current communications link state is blocked for communication link, then to described Base station or terminal feedback " 111 ", " 111 " are used for " NACK+ communication links obstruction ".
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| CN201610816152.8A CN107819552A (en) | 2016-09-10 | 2016-09-10 | A kind of method and device of feedback information |
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| CN201610816152.8A CN107819552A (en) | 2016-09-10 | 2016-09-10 | A kind of method and device of feedback information |
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| US20130272220A1 (en) * | 2012-04-16 | 2013-10-17 | Samsung Electronics Co., Ltd. | Methods and apparatus for flexible beam communications in random access in system with large number of antennas |
| CN103718591A (en) * | 2013-09-09 | 2014-04-09 | 华为技术有限公司 | Wave beam tracking method, device and system |
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| CN101385292A (en) * | 2006-02-16 | 2009-03-11 | 日本电气株式会社 | Quality-degraded portion estimating device, method, and program |
| CN101444010A (en) * | 2006-06-13 | 2009-05-27 | 英特尔公司 | Wireless device with directional antennas for use in millimeter-wave peer-to-peer networks and methods for adaptive beam steering |
| US20130272220A1 (en) * | 2012-04-16 | 2013-10-17 | Samsung Electronics Co., Ltd. | Methods and apparatus for flexible beam communications in random access in system with large number of antennas |
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Application publication date: 20180320 |