CN105471796B - A kind of signal is sent and processing method, transmitter, receiver - Google Patents
A kind of signal is sent and processing method, transmitter, receiver Download PDFInfo
- Publication number
- CN105471796B CN105471796B CN201510796429.0A CN201510796429A CN105471796B CN 105471796 B CN105471796 B CN 105471796B CN 201510796429 A CN201510796429 A CN 201510796429A CN 105471796 B CN105471796 B CN 105471796B
- Authority
- CN
- China
- Prior art keywords
- signal
- sequence
- data frame
- signal detection
- detection sequence
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
This application provides a kind of transmission of signal and processing methods, transmitter generates and sends data frame, it include the signal detection sequence for being used to indicate this data frame in data frame, leader sequence and data sequence, whether receiver includes successively signal detection sequence in the signal that code rate detection receives to preset, if it is, then receiver handles the signal received, because the code rate of signal detection sequence is less than the code rate of leader sequence, so, the code rate for receiving machine testing signal detection sequence can be less than the code rate of detection leader sequence, therefore, receiver can be used first and detect whether data frame compared with low bit- rate, if there is data frame, it is handled again, so, the case where for multi transmission channel, it can first use compared with whether low bit- rate detection transmission channel has data frame, use frequency to every using higher in compared with the prior art A mode detected that is transmitted through is compared, and can reduce the power consumption of receiver.
Description
Technical field
This application involves the communications field more particularly to a kind of transmission of signal and processing method and transmitters, receiver.
Background technique
In multichannel communication business, transmitting terminal arbitrarily selects a transmission channel from multiple transmission channels, for emitting
Signal, and do not inform which transmission channel receiving end uses in advance.Receiving end is when receiving signal, usually to each transmission
Channel is filtered, to obtain the baseband signal of each transmission channel, and then determines which leads to by sampling and detecting
There is signal transmission in road.
For example, as shown in Figure 1,0~15MHz frequency band is divided by communication system using 0~15MHz frequency band transmission signal
15 channels, each channel occupy 1MHz, and the baud rate of signal transmitting is 30MHz (i.e. data transmission rate), and transmitting signal can
It using any one channel therein, receiver can need that 15 transmission channels are filtered, sampled and detected, therefore,
The sample rate of receiver needs to reach 30MHZ.
As it can be seen that receiver is needed using higher sample frequency, using the above reception mechanism so as to cause the function of receiver
It consumes higher.
Summary of the invention
This application provides a kind of method and devices, it is therefore intended that it solves in the case where multi transmission channel, receiver
The high problem of power consumption.
To achieve the goals above, this application provides following technical schemes:
A kind of signaling method, comprising:
Transmitter generates data frame, includes signal detection sequence, leader sequence and data sequence, institute in the data frame
The code rate for stating signal detection sequence is less than the code rate of the leader sequence, and the signal detection sequence is used to indicate the data
Frame；
The transmitter sends the data frame.
Optionally, the transmission data frame includes:
The data frame is sent using any one in multiple transmission channels.
Optionally, the coding mode of the signal detection sequence is different from the leader sequence；And/or the signal inspection
The frequency spectrum that column are sequenced is different from the leader sequence.
Optionally, the signal detection sequence is pseudo-random sequence.
A kind of signal processing method, comprising:
Receiver receives signal；
Whether the receiver includes successively signal detection sequence, the letter in the signal that code rate detection receives to preset
Number detection sequence is used to indicate the data frame of transmitter generation, and the default code rate is less than the code of the leader sequence of the data frame
Rate；
If detecting the signal detection sequence in the signal received, the receiver is to the letter received
It number is handled.
Optionally, the receiver reception signal includes:
Receiver receives signal by multiple transmission channels；
If detect the signal detection sequence in the signal received, the receiver is received to described
Signal carries out processing
If detecting the signal detection sequence from the signal that the first transmission channel receives, the receiver is only right
The signal that first transmission channel receives is handled.
Optionally, further includes:
If detecting signal detection sequence from the signal that the first transmission channel receives, it is logical to stop the other transmission of reception
The signal in road.
Optionally, the coding mode of the signal detection sequence is different from the leader sequence；And/or the signal inspection
The frequency spectrum that column are sequenced is different from the leader sequence.
Optionally, the signal detection sequence is pseudo-random sequence.
A kind of transmitter, comprising:
Data frame generation module, for generating data frame, include in the data frame signal detection sequence, leader sequence with
And data sequence, the code rate of the signal detection sequence are less than the code rate of the leader sequence, the signal detection sequence is used for
Indicate the data frame；
Sending module, for sending the data frame.
Optionally, the sending module includes: for sending the data frame
The sending module is specifically used for, and sends the data frame using any one in multiple transmission channels.
Optionally, the data frame generation module is for generating data frame, include in the data frame signal detection sequence,
Leader sequence and data sequence include:
The data frame generation module is specifically used for, and generates data frame, includes signal detection sequence in the data frame, preceding
Sequence and data sequence are led, the coding mode of the signal detection sequence is different from the leader sequence；And/or the letter
The frequency spectrum of number detection sequence is different from the leader sequence.
Optionally, the data frame generation module is for generating data frame, include in the data frame signal detection sequence,
Leader sequence and data sequence include:
The data frame generation module is specifically used for, and generates data frame, includes signal detection sequence in the data frame, preceding
Sequence and data sequence are led, the signal detection sequence is pseudo-random sequence.
A kind of receiver, comprising:
Receiving module, for receiving signal；
Whether detection module includes successively that signal is examined in the signal that code rate detection receives to preset for the receiver
Sequencing column, the signal detection sequence are used to indicate the data frame of transmitter generation, and the default code rate is less than the data frame
Leader sequence code rate；
Processing module receives if detecting the signal detection sequence in signal for receiving to described
Signal handled.
Optionally, the receiving module includes: for receiving signal
The receiving module is specifically used for, and receives signal by multiple transmission channels；
If the signal detection sequence is detected in the signal that the processing module is used to receive, to the reception
To signal carry out processing include:
The processing module is specifically used for, if detecting the signal inspection from the signal that the first transmission channel receives
Sequencing column, the signal only received to first transmission channel are handled.
Optionally, the receiving module is also used to:
If detecting signal detection sequence from the signal that the first transmission channel receives, it is logical to stop the other transmission of reception
The signal in road.
Optionally, the receiving module includes: for receiving signal
The receiving module is specifically used for, and receives signal, includes signal detection sequence and leader sequence, institute in the signal
The coding mode for stating signal detection sequence is different from the leader sequence；And/or the frequency spectrum of the signal detection sequence with it is described
Leader sequence is different.
Optionally, the receiving module includes: for receiving signal
The receiving module is specifically used for, and receives signal, includes signal detection sequence, the signal detection in the signal
Sequence is pseudo-random sequence.
Signal described herein is sent and processing method, and transmitter generates and sends data frame, includes using in data frame
In the signal detection sequence, leader sequence and the data sequence that indicate this data frame, receiver is successively connect with default code rate detection
It whether include signal detection sequence in the signal received, if it is, receiver handles the signal received, because of letter
The code rate of number detection sequence is less than the code rate of leader sequence, so, the code rate for receiving machine testing signal detection sequence can be less than
The code rate of leader sequence is detected, therefore, receiver can be used first and detect whether data frame compared with low bit- rate, if there is data
Frame, then handled, so, the case where for multi transmission channel, can first it use compared with whether low bit- rate detection transmission channel has
Data frame, compared with the prior art in using it is higher using frequency to it is each be transmitted through detect by the way of compare, energy
Enough reduce the power consumption of receiver.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram for receiving machine testing signal；
Fig. 2 is a kind of flow chart of signaling method disclosed in the embodiment of the present application；
Fig. 3 is the structural schematic diagram of data frame disclosed in the embodiment of the present application；
Fig. 4 is a kind of flow chart of signal processing method disclosed in the embodiment of the present application；
Fig. 5 is the flow chart of the transmission of signal disclosed in the embodiment of the present application and processing method；
Fig. 6 is the structural schematic diagram of transmitter disclosed in the embodiment of the present application；
Fig. 7 is the structural schematic diagram of receiver disclosed in the embodiment of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
A kind of signal acceptance method disclosed in the embodiment of the present application, as shown in Figure 2, comprising the following steps:
S201: transmitter generates data frame；
Data frame described in the present embodiment as shown in figure 3, in the data frame include signal detection sequence, leader sequence with
And data sequence, the code rate of the signal detection sequence are less than the code rate of the leader sequence, the signal detection sequence is used for
Indicate the data frame.
In the present embodiment, specifically, the coding mode of signal detection sequence can be different from the leader sequence, for example,
Leader sequence using the coded sequences such as chirp, CAZAC, and signal detection sequence can for pseudo-random sequence (PN code, m-sequence or
Gold code etc.).Certainly, the coding mode of signal detection sequence can also be identical as the leader sequence.
In the present embodiment, specifically, the frequency spectrum of signal detection sequence and the leader sequence are similar and different.
S202: transmitter sends the data frame.
In the present embodiment, the data frame that receiver generates and sends increases signal detection compared with existing data frame
Sequence, its object is to indicate this data frame, therefore, receiver can basis signal detection sequence determine whether it has received hair
Penetrate the data frame of machine transmission.
A kind of signal processing method disclosed in the embodiment of the present application, as shown in Figure 4, comprising the following steps:
S401: receiver receives signal；
S402: whether receiver includes successively signal detection sequence, signal in the signal that code rate detection receives to preset
Detection sequence is used to indicate the data frame of transmitter generation, presets the code rate that code rate is less than the leader sequence of data frame；
S403: if detecting the signal detection sequence in the signal received, receiver is to the signal received
It is handled.
Whether receiver described in the present embodiment is first upon receipt of the signals hair using lower code rate detection signal
Penetrate the signal that end is sent, if so, handle again signal, rather than directly to the signal received with higher rate into
Row sampling, therefore, in the case where the signal received is not the signal of transmitting terminal transmission (for example, in multiple transmission channels
The signal for not having transmitting end to send in some transmission channel), demodulation power consumption can be saved.
Below will be with scene shown in FIG. 1, the signal described in Fig. 2 and Fig. 4 is sent and processing method carries out specifically
It is bright.
A kind of signal disclosed in the embodiment of the present application is sent and processing method, as shown in Figure 5, comprising the following steps:
S501: transmitter generates data frame, and data frame is as shown in figure 3, include signal detection sequence, leader sequence and number
According to sequence, the code rate of signal detection sequence is less than the code rate of leader sequence, for example, leader sequence is that rate is in the present embodiment
The pseudo-random sequence of 1MHZ, and leader sequence and the code rate of data sequence are 30MHZ.
S502: transmitter sends the data frame using any one in multiple transmission channels；
S503: receiver receives signal by multiple transmission channels；
S504: receiver uses auto-correlation or cross correlation algorithm, and whether successively detect in the signal received includes letter
Number detection sequence；
S505: if detecting the signal detection sequence from the signal that the first transmission channel receives, receiver is only
The signal received to first transmission channel is handled；
Wherein, the first transmission channel is possible to as any one in 15 channels shown in Fig. 1.
In the present embodiment, handling signal can be to the channel with 30MHz speed sampling, before being resident locally
Lead sequence and receive signal carry out cross-correlation operation, detect leader sequence, while can also be timed, channel estimation, AGC,
Carrier synchronization, clock synchronize.
S506: receiver stops receiving the signal of other transmission channels.
Wherein, S505 and S506 execution sequence without limitation.
Method described in the present embodiment, whether the signal that receiver first detects each transmission channel is what transmitter was sent
Signal after determination, then carries out normal signal processing, because the code rate of signal detection sequence is 1MHZ, receiver can
To carry out sample detecting to each transmission channel with the sample rate of 2MHZ, after detecting the signal that transmitting terminal is sent, then with
The sample rate of 30MHZ carries out leading and data samplings and detection, and for the channel of no signal transmission, it can stop receiving
Signal, to reduce the power consumption of receiver.
With above method embodiment correspondingly, the embodiment of the present application also discloses a kind of transmitter, as shown in fig. 6, packet
It includes:
Data frame generation module 601 includes signal detection sequence, leading sequence in the data frame for generating data frame
Column and data sequence, the code rate of the signal detection sequence are less than the code rate of the leader sequence, the signal detection sequence
It is used to indicate the data frame；
Sending module 602, for sending the data frame.
Specifically, the specific implementation that sending module sends the data frame can be with are as follows: using in multiple transmission channels
Any one send described data frame.
The coding mode of signal detection sequence is different from the leader sequence；And/or the frequency spectrum of the signal detection sequence
Different from the leader sequence, signal detection sequence can be pseudo-random sequence.
Include signal detection sequence in the data frame that transmitter described in the present embodiment issues, is used to indicate data frame, because
This, can reduce power for receiver and lay the foundation.
The embodiment of the present application also discloses a kind of receiver, as shown in fig. 7, comprises:
Receiving module 701, for receiving signal；
Whether detection module 702 includes successively letter in the signal that code rate detection receives to preset for the receiver
Number detection sequence, the signal detection sequence are used to indicate the data frame of transmitter generation, and the default code rate is less than the number
According to the code rate of the leader sequence of frame；
Processing module 703, if the signal detection sequence is detected in signal for receiving, to the reception
To signal handled.
Specifically, the specific implementation that receiving module receives signal can be with are as follows: signal is received by multiple transmission channels,
If detecting the signal detection sequence in the signal that processing module receives, the signal received is handled
Specific implementation can be with are as follows: if detecting the signal detection sequence from the signal that the first transmission channel receives,
The signal only received to first transmission channel is handled.
Optionally, receiving module can be also used for, if detecting signal from the signal that the first transmission channel receives
Detection sequence stops the signal for receiving other transmission channels.
In the present embodiment, the specific coding mode of signal detection sequence be may refer to described in above-described embodiment, here no longer
It repeats.
Receiver described in the present embodiment can be used the signal that low sampling rate receives multiple transmission channels and examine
It surveys, is transmitted with the signal for determining that transmitter issues in which transmission channel, compared to directly to the reception of each transmission channel
The signal arrived carries out the mode of high-speed sampling and detection, can reduce power consumption.
If function described in the embodiment of the present application method is realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a storage medium readable by a compute device.Based on this understanding, the application is real
The part for applying a part that contributes to existing technology or the technical solution can be embodied in the form of software products,
The software product is stored in a storage medium, including some instructions are used so that a calculating equipment (can be personal meter
Calculation machine, server, mobile computing device or network equipment etc.) execute each embodiment the method for the application whole or portion
Step by step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (18)
1. a kind of signaling method characterized by comprising
Transmitter generates data frame, includes signal detection sequence, leader sequence and data sequence, the letter in the data frame
The code rate of number detection sequence is less than the code rate of the leader sequence, and the signal detection sequence is used to indicate the data frame；
The transmitter sends the data frame.
2. the method according to claim 1, wherein the transmission data frame includes:
The data frame is sent using any one in multiple transmission channels.
3. method according to claim 1 or 2, which is characterized in that the coding mode of the signal detection sequence with it is described
Leader sequence is different；And/or the frequency spectrum of the signal detection sequence is different from the leader sequence.
4. according to the method described in claim 3, it is characterized in that, the signal detection sequence is pseudo-random sequence.
5. a kind of signal processing method characterized by comprising
Receiver receives signal；
Whether the receiver includes successively signal detection sequence in the signal that code rate detection receives to preset, the signal inspection
Sequencing column are used to indicate the data frame of transmitter generation, and the default code rate is less than the code rate of the leader sequence of the data frame；
If detecting the signal detection sequence in the signal received, the receiver to the signal received into
Row processing.
6. according to the method described in claim 5, it is characterized in that, receiver reception signal includes:
Receiver receives signal by multiple transmission channels；
If detecting the signal detection sequence in the signal received, the receiver is to the signal received
Carrying out processing includes:
If detecting the signal detection sequence from the signal that the first transmission channel receives, the receiver is only to described
The signal that first transmission channel receives is handled.
7. according to the method described in claim 6, it is characterized by further comprising:
If detecting signal detection sequence from the signal that the first transmission channel receives, stop receiving other transmission channels
Signal.
8. according to method described in claim 5,6 or 7, which is characterized in that the coding mode of the signal detection sequence and institute
State leader sequence difference；And/or the frequency spectrum of the signal detection sequence is different from the leader sequence.
9. according to the method described in claim 8, it is characterized in that, the signal detection sequence is pseudo-random sequence.
10. a kind of transmitter characterized by comprising
Data frame generation module includes signal detection sequence, leader sequence and number in the data frame for generating data frame
According to sequence, the code rate of the signal detection sequence is less than the code rate of the leader sequence, and the signal detection sequence is used to indicate
The data frame；
Sending module, for sending the data frame.
11. transmitter according to claim 10, which is characterized in that the sending module is for sending the data frame packet
It includes:
The sending module is specifically used for, and sends the data frame using any one in multiple transmission channels.
12. transmitter described in 0 or 11 according to claim 1, which is characterized in that the data frame generation module is for generating number
It include that signal detection sequence, leader sequence and data sequence include: according to frame, in the data frame
The data frame generation module is specifically used for, and generates data frame, includes signal detection sequence, leading sequence in the data frame
Column and data sequence, the coding mode of the signal detection sequence are different from the leader sequence；And/or the signal inspection
The frequency spectrum that column are sequenced is different from the leader sequence.
13. transmitter according to claim 12, which is characterized in that the data frame generation module is for generating data
Frame includes that signal detection sequence, leader sequence and data sequence include: in the data frame
The data frame generation module is specifically used for, and generates data frame, includes signal detection sequence, leading sequence in the data frame
Column and data sequence, the signal detection sequence are pseudo-random sequence.
14. a kind of receiver characterized by comprising
Receiving module, for receiving signal；
Whether detection module includes successively signal detection sequence in the signal that code rate detection receives to preset for the receiver
Column, the signal detection sequence is used to indicate the data frame of transmitter generation, before the default code rate is less than the data frame
Lead the code rate of sequence；
Processing module, if the signal detection sequence is detected in signal for receiving, to the letter received
It number is handled.
15. receiver according to claim 14, which is characterized in that the receiving module, which is used to receive signal, includes:
The receiving module is specifically used for, and receives signal by multiple transmission channels；
If the processing module is used to detect the signal detection sequence in the signal that receives, received to described
Signal carries out processing
The processing module is specifically used for, if detecting the signal detection sequence from the signal that the first transmission channel receives
Column, the signal only received to first transmission channel are handled.
16. receiver according to claim 15, which is characterized in that the receiving module is also used to:
If detecting signal detection sequence from the signal that the first transmission channel receives, stop receiving other transmission channels
Signal.
17. receiver described in 4,15 or 16 according to claim 1, which is characterized in that the receiving module is for receiving signal
Include:
The receiving module is specifically used for, and receives signal, includes signal detection sequence and leader sequence, the letter in the signal
The coding mode of number detection sequence is different from the leader sequence；And/or the frequency spectrum of the signal detection sequence with it is described leading
Sequence is different.
18. receiver described in 4,15 or 16 according to claim 1, which is characterized in that the receiving module is for receiving signal
Include:
The receiving module is specifically used for, and receives signal, includes signal detection sequence, the signal detection sequence in the signal
For pseudo-random sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796429.0A CN105471796B (en) | 2015-11-18 | 2015-11-18 | A kind of signal is sent and processing method, transmitter, receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796429.0A CN105471796B (en) | 2015-11-18 | 2015-11-18 | A kind of signal is sent and processing method, transmitter, receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105471796A CN105471796A (en) | 2016-04-06 |
| CN105471796B true CN105471796B (en) | 2019-03-12 |
Family
ID=55609075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510796429.0A Active CN105471796B (en) | 2015-11-18 | 2015-11-18 | A kind of signal is sent and processing method, transmitter, receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105471796B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687570A (en) * | 2009-10-28 | 2012-09-19 | 韩国电子通信研究院 | Power saving method in wireless communication system |
| CN102761390A (en) * | 2011-04-26 | 2012-10-31 | 英特尔公司 | Methods and arrangements for low power wireless networks |
| CN103733712A (en) * | 2011-07-15 | 2014-04-16 | 马维尔国际贸易有限公司 | Coexistence of a normal-rate physical layer and a low-rate physical layer in a wireless network |
| CN104869084A (en) * | 2014-02-25 | 2015-08-26 | 华为技术有限公司 | Low SNR communication method, device and system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3327965B1 (en) * | 2011-02-04 | 2019-09-25 | Marvell World Trade Ltd. | Control mode phy for wlan |
-
2015
- 2015-11-18 CN CN201510796429.0A patent/CN105471796B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687570A (en) * | 2009-10-28 | 2012-09-19 | 韩国电子通信研究院 | Power saving method in wireless communication system |
| CN102761390A (en) * | 2011-04-26 | 2012-10-31 | 英特尔公司 | Methods and arrangements for low power wireless networks |
| CN103733712A (en) * | 2011-07-15 | 2014-04-16 | 马维尔国际贸易有限公司 | Coexistence of a normal-rate physical layer and a low-rate physical layer in a wireless network |
| CN104869084A (en) * | 2014-02-25 | 2015-08-26 | 华为技术有限公司 | Low SNR communication method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105471796A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3041397C (en) | Optimized combination of preamble and data fields for sensor networks having low electricity consumption on the basis of the telegram splitting method | |
| EP2365653A3 (en) | Hidden markov model detection for spread spectrum waveforms | |
| MX2013004896A (en) | Variable symbol period assignment and detection. | |
| EP4287547A3 (en) | Communications devices, infrastructure equipment and methods | |
| RU2009144141A (en) | IMPROVED SYNCHRONIZATION OF LINEAR-FREQUENCY-MODULATED SEQUENCES | |
| WO2011056016A3 (en) | Method of resource block (rb) bundling | |
| JP2016526323A5 (en) | ||
| CN103141142A (en) | System and method for collaborative spectrum analysis | |
| WO2022199532A1 (en) | Method based on channel state information feedback, device, and medium | |
| RU2020111327A (en) | DEVICE AND METHOD OF WIRELESS COMMUNICATION, AND PROGRAM | |
| US10555289B2 (en) | Methods for transmitting data between a terminal and a frequency-synchronized access network on an uplink message from said terminal | |
| CN105471796B (en) | A kind of signal is sent and processing method, transmitter, receiver | |
| US20130003886A1 (en) | Method for generating and detecting preamble, and digital communication system based on the same | |
| KR20110104543A (en) | Non-coherent detection method of the number of transmit antenna ports for ofdma | |
| CN106603171B (en) | Method and equipment for testing bit error rate of terminal receiver | |
| CN111405603B (en) | Time delay acquisition method, testing device and computer storage medium | |
| CN102932109B (en) | The Timing Synchronization of power line communication and spreading factor detect system and method thereof | |
| CN105323055B (en) | Sequence detecting method and device | |
| CN107431906B (en) | Reference signal sending and receiving method and device | |
| US10257004B2 (en) | Inter-block interference suppression using a null guard interval | |
| CN110235379B (en) | Method for performing clear channel assessment and radio receiver | |
| CN106817707B (en) | Method and device for detecting and assisting in detecting signal source in base station | |
| EP4148463A1 (en) | A radar system, a radar arrangement, and a radar method for concurrent radar operations | |
| CN113242116B (en) | Method and terminal for sending and receiving demodulation pilot frequency reference signal of direct link | |
| GB2439126A (en) | Non-destructive bit-wise arbitration over noisy communication channels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |