CN103067132A - Channel detection method, communication method, terminal and system - Google Patents
Channel detection method, communication method, terminal and system Download PDFInfo
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- CN103067132A CN103067132A CN2012105855030A CN201210585503A CN103067132A CN 103067132 A CN103067132 A CN 103067132A CN 2012105855030 A CN2012105855030 A CN 2012105855030A CN 201210585503 A CN201210585503 A CN 201210585503A CN 103067132 A CN103067132 A CN 103067132A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a channel detection method, a communication method, a terminal and a system, and belongs to the field of communication. The channel detection method includes that a first terminal of device-to-device (D2D) communication sends a supplemental restrgint system (SRS) measuring requirement to a base station, and identifications of a second terminal of the D2D communication are carried by the SRS measuring requirement; notification information sent by the base station is received, and parameter information of SRS signals sent by the second terminal is carried by the notification information; and the SRS signals are measured by the parameter information, and channel state information of a channel between the first terminal and the second terminal is obtained. The communication terminal comprises a sending module, a receiving module, a measuring module and a communication module. Channel detection is conducted for the a SRS signals in a local thermodynamic equilibrium (LTE) cellular system is well achieved, and unity scheduling and communication of the D2D communication and the LET cellular system are achieved.
Description
Technical field
The present invention relates to the communications field, particularly a kind of channel detection method, communication means, terminal and system.
Background technology
In recent years, cordless communication network more and more in occupation of people's life, becomes an indispensable part in people's life with its huge flexibility, such as the direct communication between terminal and the terminal (Device to Device is called for short D2D communication).D2D communication can make packet directly by terminal transmission and without any need for the infrastructure of centre, beep-page message directly sends to paged terminal from call terminal, and not needing the help of base station and core net, this communication mode can bring huge interests to radio communication.
Prior art is carried out channel detection when D2D communicates by letter, by being a kind of reference signal of D2D communication specialized designs, and carry out channel detection by this reference signal, and measure the channel condition information between D2D terminal and other D2D terminal, comprise channel energy, channel quality and channel response etc., and then communicate the opposite end according to channel condition information and select, partner user is selected, power control, modulation coding mode selections etc. realize D2D communication.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Prior art is carried out channel detection by increasing a kind of new reference signal, has not only increased UE(User Equipment, subscriber equipment) complexity and cost, nor be beneficial to the compatible realization with United Dispatching with cellular communication of D2D communication.
Summary of the invention
For complexity and the cost that reduces UE, and improve communication performance, the embodiment of the invention provides a kind of channel detection method, communication means, terminal and system.Described technical scheme is as follows:
On the one hand, provide a kind of channel detection method, described method comprises:
The first terminal that terminal is communicated by letter with direct communication D2D between the terminal is initiated detection reference signal SRS and is measured request to the base station, described SRS measures the sign of second terminal of carrying D2D communication in the request;
Receive described base station in response in the notification message that described measurement request sends, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message;
Measure described SRS signal according to described parameter information, obtain the channel condition information of channel between described first terminal and described the second terminal.
Wherein, described channel information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
On the other hand, provide a kind of method that communicates according to above-mentioned channel detection method, described method comprises:
The first terminal that terminal is communicated by letter with direct communication D2D between the terminal is initiated detection reference signal SRS and is measured request to the base station, described SRS measures the sign of second terminal of carrying D2D communication in the request;
Receive described base station in response in the notification message that described measurement request sends, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message;
Measure described SRS signal according to described parameter information, obtain the channel condition information of channel between described first terminal and described the second terminal;
When described channel condition information satisfies when pre-conditioned, described first terminal and described the second terminal communicate.
Wherein, described channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three, and before described first terminal and described the second terminal communicated, described method also comprised:
Whether judge described SRS signal strength signal intensity greater than default signal strength values, and/or whether described channel quality is greater than default channel quality value, and/or whether described channel response is greater than default channel response value;
When described SRS signal strength signal intensity greater than default signal strength values, and/or described channel quality is greater than default channel quality value, and/or described channel response is judged described channel condition information and satisfied pre-conditioned during greater than default channel response value.
Wherein, the first terminal of described D2D communication is initiated before the SRS measurement request to the base station, and described method also comprises:
Described first terminal receives the first notification message that described the second terminal sends, and described the first notification message carries the information that described the second terminal has the cooperative communication ability;
Described first terminal communicates specifically with described the second terminal and comprises: described first terminal is notified described the second terminal to cooperate and is communicated by letter, and beginning is cooperated with described the second terminal and communicated by letter.
Another aspect provides a kind of channel detection method, and described method comprises:
The detection reference signal SRS that the first terminal that receiving terminal is communicated by letter with direct communication D2D between the terminal is initiated measures request, and described SRS measures the sign of second terminal of carrying D2D communication in the request;
According to the sign of described the second terminal, obtain the parameter information of the SRS signal of described the second terminal transmission;
Send the notification message that is used for measuring described SRS signal to described first terminal, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message.
Wherein, described sign according to described the second terminal is obtained the parameter information of the SRS signal that described the second terminal sends, and comprising:
According to described the second terminal distribution SRS signal of being designated of described the second terminal, indicate described the second terminal to send the SRS signal;
Obtain the parameter information of the SRS signal of described the second terminal transmission.
Wherein, described channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
Another aspect provides a kind of communication terminal based on D2D, and described communication terminal comprises:
Sending module is used for initiating detection reference signal SRS to the base station and measures request, and described SRS measures the sign of another terminal of carrying D2D communication in the request;
Receiver module is used for receiving base station in response in the notification message that described measurement request sends, and carries the parameter information of the SRS signal of described another terminal transmission in the described notification message;
Measurement module is used for measuring described SRS signal according to the described parameter information that described receiver module receives, and obtains the channel condition information of channel between described communication terminal and described another terminal;
Communication module is used for satisfying when pre-conditioned when described channel condition information, and described communication terminal and described another terminal communicate.
Wherein, described communication module comprises judging unit and communication unit;
Whether described judging unit is used for judging described SRS signal strength signal intensity greater than default signal strength values, and/or whether described channel quality is greater than default channel quality value, and/or whether described channel response is greater than default channel response value;
Described communication unit is used for working as described SRS signal strength signal intensity greater than default signal strength values, and/or, described channel quality is greater than default channel quality value, and/or described channel response is during greater than default channel response value, and described first terminal and described another terminal communicate.
Wherein, described communication terminal also is used for receiving the first notification message that described another terminal sends, and described the first notification message carries the information that described another terminal has the cooperative communication ability;
Correspondingly, described communication module comprises judging unit and communication unit;
Whether described judging unit is used for judging described SRS signal strength signal intensity greater than default signal strength values, and/or whether described channel quality is greater than default channel quality value, and/or whether described channel response is greater than default channel response value;
Described communication unit, be used for working as described SRS signal strength signal intensity greater than default signal strength values, and/or, described channel quality is greater than default channel quality value, and/or, described channel response is during greater than default channel response value, and described first terminal is notified the communication of cooperating of described another terminal, and beginning is cooperated with described another terminal and communicated by letter.
Wherein, described channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
Another aspect provides a kind of communication system, and described system comprises:
Described first terminal, be used for initiating detection reference signal SRS to described base station and measure request, described SRS measures the sign of second terminal of carrying D2D communication in the request, receive the notification message that described base station in response sends in described measurement request, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message, measure described SRS signal according to described parameter information, the channel condition information of channel between acquisition and described the second terminal; When described channel condition information satisfies when pre-conditioned, communicate with described the second terminal;
Described base station, be used for receiving the SRS measurement request that described first terminal is initiated, obtain the parameter information of the SRS signal of described the second terminal transmission according to the sign of described the second terminal, and send the notification message that is used for measuring described SRS signal to described first terminal, carry the parameter information of the SRS signal that described the second terminal sends in the described notification message;
Described the second terminal is used for sending the SRS signal.
Another aspect provides a kind of base station, and described base station comprises:
Receiver module is used for the detection reference signal SRS that first terminal that receiving terminal communicates by letter with direct communication D2D between the terminal initiates and measures request, and described SRS measures the sign of second terminal of carrying D2D communication in the request;
Acquisition module is used for the sign according to described second terminal of described receiver module reception, obtains the parameter information of the SRS signal of described the second terminal transmission;
Sending module is used for sending the notification message that is used for measuring described SRS signal to described first terminal, carries the parameter information of the SRS signal of described the second terminal transmission in the described notification message.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
By adopting LTE(Long Term Evolution, Long Term Evolution) existing SRS signal carries out channel detection in the cellular system, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, the United Dispatching of having realized D2D communication and LTE cellular system with communicate by letter, improved the D2D communication quality.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is LTE cellular communication and the D2D communication scheme that provides in the prior art;
Fig. 2 is the channel detection method flow diagram that the embodiment of the invention 1 provides;
Fig. 3 is the communication means flow chart that the embodiment of the invention 2 provides;
Fig. 4 is the communication means flow chart that the embodiment of the invention 3 provides;
Fig. 5 is the channel detection method flow diagram that the embodiment of the invention 4 provides;
Fig. 6 is the communication terminal structural representation that the embodiment of the invention 5 provides;
Fig. 7 is the communication system architecture schematic diagram that the embodiment of the invention 6 provides;
Fig. 8 is the architecture of base station schematic diagram that the embodiment of the invention 7 provides.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Referring to LTE cellular communication shown in Figure 1 and D2D communication scheme, in the LTE Cellular Networks system, need to transmit through the base station during two terminal communications, same packet from the base station to the terminal, takies interface-free resources twice again from terminal to base station.If two communication terminals are distant, can't arrive the other side, then this scheme is more feasible; If but the communicating pair close together, in the other side's communication range, then packet directly transmits by terminal mutually, does not need to transmit through the base station, can save the resource of half.Packet in the D2D communication is directly by terminal transmission and without any need for the infrastructure of centre, beep-page message directly sends to paged terminal from call terminal, and not needing the help of base station and core net, this communication mode can bring huge interests to cellular network communication.
Embodiment 1
Referring to Fig. 2, the embodiment of the invention provides a kind of channel detection method, and the method comprises:
101: the first terminal that terminal is communicated by letter with direct communication D2D between the terminal is initiated detection reference signal SRS and is measured request to the base station, and this SRS measures the sign of second terminal of carrying D2D communication in the request;
102: receive base station in response in the notification message that the request of measurement sends, carry the parameter information of the SRS signal of the second terminal transmission in this notification message;
103: measure the SRS signal according to parameter information, obtain the channel condition information of channel between first terminal and the second terminal.
Wherein, channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
The method that the embodiment of the invention provides, existing SRS signal carries out channel detection in the LTE cellular system by adopting, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, the United Dispatching of having realized D2D communication and LTE cellular system with communicate by letter, further improve the D2D communication quality.
Embodiment 2
Referring to Fig. 3, present embodiment describes the SRS that each D2D UE sends by measuring other D2D UE in detail, obtains the channel condition information between two UE, then determines method and the step of D2D messaging parameter according to channel condition information, and this communication means comprises:
201:D2D_UE1 and D2D_UE2 prepare to carry out that D2D communicate by letter or carrying out D2D and communicating by letter and need to carry out channel detection;
Particularly, the first communication terminal D2D_UE1 and second communication terminal D 2D_UE2 in the embodiment of the invention are in the D2D communication system, the communications status of two communication terminals can be for preparing to carry out D2D communication, determine whether and to communicate by channel detection, select the communication resource, resource optimization distributes, power division, the functions such as adaptive coding and modulating; Also can select the communication resource by channel detection for carrying out D2D communication, resource optimization distributes, power division, the functions such as adaptive coding and modulating.
202:D2D_UE1 initiates SRS to base station eNB and measures request;
Wherein, the SRS of this initiation measures request, is used for the SRS signal that the informing base station wish is measured D2D_UE2.Particularly, this SRS measures the terminal iidentification that carries D2D_UE2 in the request, so that the base station obtains the parameter information of the SRS signal of D2D_UE2 transmission according to the terminal iidentification of this D2D_UE2.
203: the base station is according to the measurement request of D2D_UE1, and indication D2D_UE2 sends the SRS signal;
Particularly, after the base station receives the measurement request of D2D_UE1 transmission, according to the terminal iidentification that carries in the request of measuring, indicate terminal corresponding to this terminal iidentification to send the SRS signal.
In the practical application, but this step is selection operation, and when the base station received the SRS measurement request of D2D_UE1 initiation, possible D2D_UE2 was sending the SRS signal, this moment, the base station needn't indicate new SRS to send, and just told D2D_UE1 with the parameter information of the SRS signal of D2D_UE2.
204:D2D_UE2 sends the SRS signal according to the indication of base station;
Wherein, after D2D_UE2 receives the indication of base station transmission, send the SRS signal to D2D_UE1, this SRS signal is the detection reference signal in the LTE cellular system, and it is used for eNB and carries out ascending channel detecting in the LTE system, make eNB can determine the up channel state information, so that the realization priority scheduling of resource is selected the communication resource, resource optimization distributes, power control, the functions such as adaptive coding and modulating.
205: base station notice D2D_UE1 measures the SRS signal that D2D_UE2 sends;
Particularly, the base station obtains the parameter information of the SRS signal of D2D_UE2 transmission, and sends a notification message to D2D_UE1, carries the parameter information of the SRS signal of D2D_UE2 transmission in this notification message, this parameter information can be the running time-frequency resource of SRS signal, SRS sequence pattern etc.
206:D2D_UE1 receives the SRS signal that D2D_UE2 sends, and measures this SRS signal according to the notification message that the base station sends, and obtains channel condition information;
Wherein, channel condition information specifically comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
Particularly, owing to carried the parameter information of the SRS signal of D2D_UE2 transmission in the notification message, thereby D2D_UE1 carries out Measurement accuracy according to this parameter information to this SRS signal, obtain the channel condition information of channel between D2D_UE1 and the D2D_UE2, improved the accuracy rate of measure channel state information.
207:D2D_UE1 determines whether to communicate with D2D_UE2 according to channel condition information.
For this step, it is pre-conditioned that D2D_UE1 judges whether the channel condition information obtain satisfies, and satisfies when pre-conditioned when judging, and then determines with D2D_UE2 to communicate.Wherein, the channel condition information that obtains specifically comprises the SRS signal strength signal intensity, among channel quality and the channel response three at least one, D2D_UE1 judges whether the channel condition information that obtains satisfies pre-conditioned, be specially, judge that whether the SRS signal strength signal intensity of obtaining is greater than default signal strength values, and/or, whether the channel quality that obtains is greater than default channel quality value, and/or, whether the channel response that obtains is greater than default channel response value, when the SRS signal strength signal intensity of obtaining greater than default signal strength values, and/or the channel quality that obtains is greater than default channel quality value, and/or, the channel response that obtains is during greater than default channel response value, judges to satisfy pre-conditionedly, determines and carries out D2D_UE2 and communicate by letter, and according to the channel condition information realization selection communication resource, resource optimization distributes, power control, the functions such as adaptive coding and modulating.
The method that the embodiment of the invention provides, existing SRS signal carries out channel detection in the LTE cellular system by adopting, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, the United Dispatching of having realized D2D communication and LTE cellular system with communicate by letter, improved the D2D communication quality.
Embodiment 3
Referring to Fig. 4, the embodiment of the invention describes the SRS that each D2D UE sends by measuring other D2D UE in detail, obtain the measurement channel information between two UE, then determine method and the step of the D2D UE of cooperative communication according to channel condition information, this communication means comprises:
301: each has around the D2D_UE2 notice of cooperative communication ability D2D_UE1, and it has this ability;
For this step, D2D_UE1 receives the first notification message that D2D_UE2 sends, and this first notification message carries the information that D2D_UE2 has the cooperative communication ability.
302:D2D_UE1 initiates SRS and measures request to the base station;
Wherein, D2D_UE1 knows that D2D_UE2 has the cooperative communication ability, when wish is sought cooperation with this D2D_UE2, initiates SRS to the base station and measures request.Particularly, this SRS measures the terminal iidentification that carries D2D_UE2 in the request, so that the base station obtains the parameter information of the SRS signal that D2D_UE2 sends according to the terminal iidentification of this D2D_UE2, this parameter information can be the running time-frequency resource of SRS signal, SRS sequence pattern etc.
303: the base station is according to the measurement request of D2D_UE1, and indication D2D_UE2 sends the SRS signal;
Particularly, after the base station receives the measurement request of D2D_UE1 transmission, according to the terminal iidentification that carries in the request of measuring, indicate terminal corresponding to this terminal iidentification to send the SRS signal.
In the practical application, but this step is selection operation, and when the base station received the SRS measurement request of D2D_UE1 initiation, possible D2D_UE2 was sending the SRS signal, this moment, the base station needn't indicate new SRS to send, and just told D2D_UE1 with the SRS signal parameter information of D2D_UE2.
304:D2D_UE2 sends the SRS signal according to the indication of base station;
Wherein, after D2D_UE2 receives the indication of base station transmission, send the SRS signal to D2D_UE1, this SRS signal is the detection reference signal in the LTE cellular system, and it is used for eNB and carries out ascending channel detecting in the LTE system, make eNB can determine the up channel state information, so that the realization priority scheduling of resource is selected the communication resource, resource optimization distributes, power control, the functions such as adaptive coding and modulating.
305: base station notice D2D_UE1 measures the SRS signal that D2D_UE2 sends;
Particularly, the base station obtains the parameter information of the SRS signal of D2D_UE2 transmission, and sends a notification message to D2D_UE1, carries the parameter information of the SRS signal of D2D_UE2 transmission in this notification message, this parameter information can be the running time-frequency resource of SRS signal, SRS sequence pattern etc.
306:D2D_UE1 receives the SRS signal that D2D_UE2 sends, and measures this SRS signal according to the notification message that the base station sends, and obtains channel condition information;
Wherein, channel condition information specifically comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
Particularly, owing to carried the parameter information of the SRS signal of D2D_UE2 transmission in the notification message, thereby D2D_UE1 carries out Measurement accuracy according to this parameter information to this SRS signal, obtain the channel condition information of channel between D2D_UE1 and the D2D_UE2, improved the accuracy rate of measure channel state information.
307:D2D_UE1 determines whether to cooperate with D2D_UE2 according to channel condition information and communicates by letter.
For this step, it is pre-conditioned that D2D_UE1 judges whether the channel condition information obtain satisfies, and satisfies when pre-conditioned when judging, and then notifies the D2D_UE2 communication of cooperating.Wherein, the channel condition information that obtains specifically comprises the SRS signal strength signal intensity, among channel quality and the channel response three at least one, D2D_UE1 judges whether the channel condition information that obtains satisfies pre-conditioned, be specially, judge that whether the SRS signal strength signal intensity of obtaining is greater than default signal strength values, and/or, whether the channel quality that obtains is greater than default channel quality value, and/or, whether the channel response that obtains greater than default channel response value, when the SRS signal strength signal intensity of obtaining greater than default signal strength values, and/or, the channel quality that obtains is greater than default channel quality value, and/or the channel response that obtains is during greater than default channel response value, judge satisfy pre-conditioned, then notify the D2D_UE2 communication of cooperating, and beginning is cooperated with the second terminal and is communicated by letter.
The method that the embodiment of the invention provides, existing SRS signal carries out channel detection in the LTE cellular system by adopting, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, realize United Dispatching and the cooperative communication of D2D communication with the LTE cellular system, improved the D2D communication quality.
Embodiment 4
Referring to Fig. 5, the embodiment of the invention provides a kind of channel detection method, and described method comprises:
401: the SRS that the first terminal of reception D2D communication is initiated measures request, carries the sign of the second terminal of D2D communication in this SRS measurement request;
402: according to the sign of the second terminal, obtain the parameter information of the SRS signal of the second terminal transmission;
403: send the notification message that is used for measuring described SRS signal to first terminal, carry the parameter information of the SRS signal of the second terminal transmission in this notification message.
Wherein, channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
The method that the embodiment of the invention provides, existing SRS signal carries out channel detection in the LTE cellular system by adopting, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, the United Dispatching of further having realized D2D communication and LTE cellular system with communicate by letter, improved the D2D communication quality.
Embodiment 5
Referring to Fig. 6, the embodiment of the invention provides a kind of communication terminal based on D2D, and described communication terminal comprises:
Sending module 501 is used for initiating SRS to the base station and measures request, and this SRS measures the sign of another terminal of carrying D2D communication in the request;
Wherein, this communication terminal is prepared to carry out D2D with another terminal and is communicated by letter, or, carry out D2D communication and needing channel detection.
Particularly, communication module 504 comprises judging unit and communication unit;
Whether judging unit is used for judging the SRS signal strength signal intensity greater than default signal strength values, and/or whether channel quality is greater than default channel quality value, and/or whether channel response is greater than default channel response value;
Communication unit, be used for when the SRS signal strength signal intensity greater than default signal strength values, and/or channel quality is greater than default channel quality value, and/or channel response is during greater than default channel response value, first terminal and another terminal communicate.
Particularly, communication terminal also is used for receiving the first notification message that another terminal sends, and the first notification message carries the information that another terminal has the cooperative communication ability;
Correspondingly, communication module 504 comprises judging unit and communication unit;
Whether judging unit is used for judging the SRS signal strength signal intensity greater than default signal strength values, and/or whether channel quality is greater than default channel quality value, and/or whether channel response is greater than default channel response value;
Communication unit, be used for working as the SRS signal strength signal intensity greater than default signal strength values, and/or, channel quality is greater than default channel quality value, and/or, channel response is during greater than default channel response value, and first terminal is notified the communication of cooperating of another terminal, and begins to cooperate with another terminal and communicate by letter.
Wherein, channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
Need to prove: the communication means that above-described embodiment provides is when communicating, only the division with above-mentioned each functional module is illustrated, in the practical application, can as required the above-mentioned functions distribution be finished by different functional modules, the internal structure that is about to communication terminal is divided into different functional modules, to finish all or part of function described above.In addition, the communication terminal that above-described embodiment provides and communication means embodiment belong to same design, and its specific implementation process sees embodiment of the method for details, repeats no more here.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
The terminal that the embodiment of the invention provides, existing SRS signal carries out channel detection in the LTE cellular system by adopting, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, realize United Dispatching and the cooperative communication of D2D communication with the LTE cellular system, improved the D2D communication quality.
Embodiment 6
Referring to Fig. 7, the embodiment of the invention provides a kind of communication system, and described system comprises: based on first terminal 601, the base station 602 of D2D communication and second terminal 603 of communicating by letter based on D2D;
The second terminal 603 is used for sending the SRS signal.
Wherein, first terminal can be arbitrary communication terminal of above-described embodiment 5 records, and the present invention does not do restriction to first terminal.
The system that the embodiment of the invention provides, existing SRS signal carries out channel detection in the LTE cellular system by adopting, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, realize United Dispatching and the cooperative communication of D2D communication with the LTE cellular system, improved the D2D communication quality.
Embodiment 7
Referring to Fig. 8, the embodiment of the invention provides a kind of base station, and described base station comprises:
Sending module 703 is used for sending the notification message that is used for measuring this SRS signal to first terminal, carries the parameter information of the SRS signal of the second terminal transmission in this notification message.
The base station that the embodiment of the invention provides, existing SRS signal carries out channel detection in the LTE cellular system by adopting, can not increase complexity and the cost of UE, can be good at realizing the compatibility with the LTE cellular system, realize United Dispatching and the cooperative communication of D2D communication with the LTE cellular system, improved the D2D communication quality.
The all or part of step that one of ordinary skill in the art will appreciate that realization above-described embodiment can be finished by hardware, also can come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a channel detection method is characterized in that, described method comprises:
The first terminal that terminal is communicated by letter with direct communication D2D between the terminal is initiated detection reference signal SRS and is measured request to the base station, described SRS measures the sign of second terminal of carrying D2D communication in the request;
Receive described base station in response in the notification message that described measurement request sends, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message;
Measure described SRS signal according to described parameter information, obtain the channel condition information of channel between described first terminal and described the second terminal.
2. the method for claim 1 is characterized in that, described channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
3. method that communicates to the described channel detection method of 2 each claims according to claim 1 is characterized in that described method comprises:
The first terminal that terminal is communicated by letter with direct communication D2D between the terminal is initiated detection reference signal SRS and is measured request to the base station, described SRS measures the sign of second terminal of carrying D2D communication in the request;
Receive described base station in response in the notification message that described measurement request sends, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message;
Measure described SRS signal according to described parameter information, obtain the channel condition information of channel between described first terminal and described the second terminal;
When described channel condition information satisfies when pre-conditioned, described first terminal and described the second terminal communicate.
4. method as claimed in claim 3 is characterized in that, described channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three, and before described first terminal and described the second terminal communicated, described method also comprised:
Whether judge described SRS signal strength signal intensity greater than default signal strength values, and/or whether described channel quality is greater than default channel quality value, and/or whether described channel response is greater than default channel response value;
When described SRS signal strength signal intensity greater than default signal strength values, and/or described channel quality is greater than default channel quality value, and/or described channel response is judged described channel condition information and satisfied pre-conditioned during greater than default channel response value.
5. such as claim 3 or 4 described methods, it is characterized in that the first terminal of described D2D communication is initiated before the SRS measurement request to the base station, described method also comprises:
Described first terminal receives the first notification message that described the second terminal sends, and described the first notification message carries the information that described the second terminal has the cooperative communication ability;
Described first terminal communicates specifically with described the second terminal and comprises: described first terminal is notified described the second terminal to cooperate and is communicated by letter, and beginning is cooperated with described the second terminal and communicated by letter.
6. a channel detection method is characterized in that, described method comprises:
The detection reference signal SRS that the first terminal that receiving terminal is communicated by letter with direct communication D2D between the terminal is initiated measures request, and described SRS measures the sign of second terminal of carrying D2D communication in the request;
According to the sign of described the second terminal, obtain the parameter information of the SRS signal of described the second terminal transmission;
Send the notification message that is used for measuring described SRS signal to described first terminal, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message.
7. method as claimed in claim 6 is characterized in that, described sign according to described the second terminal is obtained the parameter information of the SRS signal that described the second terminal sends, and comprising:
According to described the second terminal distribution SRS signal of being designated of described the second terminal, indicate described the second terminal to send the SRS signal;
Obtain the parameter information of the SRS signal of described the second terminal transmission.
8. method as claimed in claim 6 is characterized in that, described channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
9. communication terminal based on the direct communication D2D between terminal and the terminal is characterized in that described communication terminal comprises:
Sending module is used for initiating detection reference signal SRS to the base station and measures request, and described SRS measures the sign of another terminal of carrying D2D communication in the request;
Receiver module is used for receiving base station in response in the notification message that described measurement request sends, and carries the parameter information of the SRS signal of described another terminal transmission in the described notification message;
Measurement module is used for measuring described SRS signal according to the described parameter information that described receiver module receives, and obtains the channel condition information of channel between described communication terminal and described another terminal;
Communication module is used for satisfying when pre-conditioned when described channel condition information, and described communication terminal and described another terminal communicate.
10. communication terminal as claimed in claim 8 is characterized in that, described communication module comprises judging unit and communication unit;
Whether described judging unit is used for judging described SRS signal strength signal intensity greater than default signal strength values, and/or whether described channel quality is greater than default channel quality value, and/or whether described channel response is greater than default channel response value;
Described communication unit is used for working as described SRS signal strength signal intensity greater than default signal strength values, and/or, described channel quality is greater than default channel quality value, and/or described channel response is during greater than default channel response value, and described first terminal and described another terminal communicate.
11. communication terminal as claimed in claim 8 is characterized in that, described communication terminal also is used for receiving the first notification message that described another terminal sends, and described the first notification message carries the information that described another terminal has the cooperative communication ability;
Correspondingly, described communication module comprises judging unit and communication unit;
Whether described judging unit is used for judging described SRS signal strength signal intensity greater than default signal strength values, and/or whether described channel quality is greater than default channel quality value, and/or whether described channel response is greater than default channel response value;
Described communication unit, be used for working as described SRS signal strength signal intensity greater than default signal strength values, and/or, described channel quality is greater than default channel quality value, and/or, described channel response is during greater than default channel response value, and described first terminal is notified the communication of cooperating of described another terminal, and beginning is cooperated with described another terminal and communicated by letter.
12. method as claimed in claim 8 is characterized in that, described channel condition information comprises at least one among SRS signal strength signal intensity, channel quality and the channel response three.
13. a communication system is characterized in that, described system comprises: the second terminal that first terminal, base station and the D2D that terminal is communicated by letter with direct communication D2D between the terminal communicates by letter;
Described first terminal, be used for initiating detection reference signal SRS to described base station and measure request, described SRS measures the sign of second terminal of carrying D2D communication in the request, receive the notification message that described base station in response sends in described measurement request, carry the parameter information of the SRS signal of described the second terminal transmission in the described notification message, measure described SRS signal according to described parameter information, the channel condition information of channel between acquisition and described the second terminal; When described channel condition information satisfies when pre-conditioned, communicate with described the second terminal;
Described base station, be used for receiving the SRS measurement request that described first terminal is initiated, obtain the parameter information of the SRS signal of described the second terminal transmission according to the sign of described the second terminal, and send the notification message that is used for measuring described SRS signal to described first terminal, carry the parameter information of the SRS signal that described the second terminal sends in the described notification message;
Described the second terminal is used for sending the SRS signal.
14. a base station is characterized in that, described base station comprises:
Receiver module is used for the detection reference signal SRS that first terminal that receiving terminal communicates by letter with direct communication D2D between the terminal initiates and measures request, and described SRS measures the sign of second terminal of carrying D2D communication in the request;
Acquisition module is used for the sign according to described second terminal of described receiver module reception, obtains the parameter information of the SRS signal of described the second terminal transmission;
Sending module is used for sending the notification message that is used for measuring described SRS signal to described first terminal, carries the parameter information of the SRS signal of described the second terminal transmission in the described notification message.
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| CN201210585503.0A CN103067132B (en) | 2012-12-28 | 2012-12-28 | Channel detection method, communication means, terminal and system |
| PCT/CN2013/090911 WO2014101871A1 (en) | 2012-12-28 | 2013-12-30 | Channel detection method, and communication method, terminal and system |
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| CN201210585503.0A CN103067132B (en) | 2012-12-28 | 2012-12-28 | Channel detection method, communication means, terminal and system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014101871A1 (en) * | 2012-12-28 | 2014-07-03 | 华为技术有限公司 | Channel detection method, and communication method, terminal and system |
| CN104144519A (en) * | 2013-05-10 | 2014-11-12 | 上海贝尔股份有限公司 | Method and device for device-to-device communication |
| CN104349498A (en) * | 2013-07-23 | 2015-02-11 | 同济大学 | D2D pair user scheduling method based on MIMO precoding in cellular district |
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| CN105122877A (en) * | 2013-06-29 | 2015-12-02 | 华为技术有限公司 | Terminal cooperation communication method, device and system |
| CN105325044A (en) * | 2013-06-13 | 2016-02-10 | 三星电子株式会社 | Method and apparatus for allocating resources for D2D communication |
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| CN106105284A (en) * | 2014-03-20 | 2016-11-09 | 株式会社Ntt都科摩 | User's set and signal sending and receiving methods |
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| WO2018153189A1 (en) * | 2017-02-23 | 2018-08-30 | 华为技术有限公司 | Method for channel sounding between terminals, network side device, and terminal |
| CN108702616A (en) * | 2016-04-25 | 2018-10-23 | Oppo广东移动通信有限公司 | Data transmission method and equipment |
| CN110086582A (en) * | 2018-01-26 | 2019-08-02 | 中兴通讯股份有限公司 | A kind of channel measuring method and system, the first communication node and the second communication node |
| CN111262667A (en) * | 2018-11-30 | 2020-06-09 | 华为技术有限公司 | Channel detection configuration method and device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3301985B1 (en) * | 2015-12-01 | 2020-04-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Radio resource scheduling method, device and system |
| CN108347313B (en) * | 2017-01-24 | 2021-08-13 | 华为技术有限公司 | Feedback method and user equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108549A1 (en) * | 2009-03-27 | 2010-09-30 | Nokia Siemens Networks Oy | Apparatus, method and article of manufacture |
| US20110275382A1 (en) * | 2010-05-06 | 2011-11-10 | Sami-Jukka Hakola | Measurements and Fast Power Adjustments in D2D Communications |
| CN102281099A (en) * | 2011-08-08 | 2011-12-14 | 电信科学技术研究院 | Method, system and equipment for transmitting data in time division duplex (TDD) radio frame |
| WO2012019348A1 (en) * | 2010-08-12 | 2012-02-16 | Nokia Corporation | Configuring an uplink and downlink splitting pattern for device-to-device communication under a cellular network |
| CN102550117A (en) * | 2009-09-28 | 2012-07-04 | 诺基亚公司 | Random access process reusing for d2d probing in cellular-aided d2d networks |
| WO2012129806A1 (en) * | 2011-03-31 | 2012-10-04 | Renesas Mobile Corporation | Method and apparatus for facilitating device-to-device communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067132B (en) * | 2012-12-28 | 2015-09-23 | 华为技术有限公司 | Channel detection method, communication means, terminal and system |
-
2012
- 2012-12-28 CN CN201210585503.0A patent/CN103067132B/en not_active Expired - Fee Related
-
2013
- 2013-12-30 WO PCT/CN2013/090911 patent/WO2014101871A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108549A1 (en) * | 2009-03-27 | 2010-09-30 | Nokia Siemens Networks Oy | Apparatus, method and article of manufacture |
| CN102550117A (en) * | 2009-09-28 | 2012-07-04 | 诺基亚公司 | Random access process reusing for d2d probing in cellular-aided d2d networks |
| US20110275382A1 (en) * | 2010-05-06 | 2011-11-10 | Sami-Jukka Hakola | Measurements and Fast Power Adjustments in D2D Communications |
| CN102823311A (en) * | 2010-05-06 | 2012-12-12 | 诺基亚公司 | Measurements and fast power adjustments in D2D communications |
| WO2012019348A1 (en) * | 2010-08-12 | 2012-02-16 | Nokia Corporation | Configuring an uplink and downlink splitting pattern for device-to-device communication under a cellular network |
| WO2012129806A1 (en) * | 2011-03-31 | 2012-10-04 | Renesas Mobile Corporation | Method and apparatus for facilitating device-to-device communication |
| CN102281099A (en) * | 2011-08-08 | 2011-12-14 | 电信科学技术研究院 | Method, system and equipment for transmitting data in time division duplex (TDD) radio frame |
Non-Patent Citations (2)
| Title |
|---|
| KLAUS DOPPLER 等: "《Device to Device Communication as an underlay to LTE-Advanced Networks》", 《COMMUNICATIONS MAGAZINE,IEEE》, 31 December 2009 (2009-12-31), pages 42 - 49 * |
| 徐同刚: "《LTE系统中引入D2D技术后的干扰研究》", 《电信快报》, no. 11, 30 November 2012 (2012-11-30), pages 32 - 35 * |
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| CN105325044A (en) * | 2013-06-13 | 2016-02-10 | 三星电子株式会社 | Method and apparatus for allocating resources for D2D communication |
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| WO2014101871A1 (en) | 2014-07-03 |
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