CN107547122A - A kind of method and device for sending signal - Google Patents
A kind of method and device for sending signal Download PDFInfo
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- CN107547122A CN107547122A CN201610471903.7A CN201610471903A CN107547122A CN 107547122 A CN107547122 A CN 107547122A CN 201610471903 A CN201610471903 A CN 201610471903A CN 107547122 A CN107547122 A CN 107547122A
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Abstract
The embodiment of the invention discloses a kind of method and device for sending signal, two polarised directions of antenna of the acquisition with two polarised directions；The transmission means of described two polarised directions is adjusted to the mode of diversity transmission；Described two polarised directions are adjusted to same sending direction；Data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission；Make full use of the antenna of two polarised directions, the antenna of two polarised directions is set to be sent according to identical weighted factor, a direction is directed at simultaneously, in order to which the signal between two polarised directions will not cause signal seriously to decline because of opposite in phase, using diversity sending method, so as to improve the phase between two polarised directions under broadcast channel scene it is unknown when wave beam forming, and then dual polarized antenna is applied to during broadcast channel its gain and is increased, improve its coverage.
Description
Technical field
The present embodiments relate to the technical field of communication, more particularly to a kind of method and device for sending signal.
Background technology
At present, the variation of communication requirement brings larger challenge to 5G development, and higher transmission rate is wherein
A target, in order to realize maximum downlink transmission rate 20Gbps, bigger transmission bandwidth is one of necessary means, because
This, more idle high frequency band signal (maximum is more than 100GHz) has very big attraction, therefore 5G will be directed to high band
Transmission is standardized.
There is very big large scale to be lost, directly influence the transmission of signal because its wavelength is shorter for high frequency band signal
Distance, in order to solve this problem, sample larger beam forming gains compensate path loss be one preferably selection, i.e.,
Base station can obtain larger array gain in a certain direction by larger aerial array to improve signal in this direction
Quality.
Broadcast channel has the characteristics of identical, but in order that the content of broadcast can have same covering, broadcast letter
Number stronger array gain is needed also exist for, be limited to the directionality of array, present common practice is by the different direction of poll
To realize the full MPS process of timesharing.
In order to reduce the area of aerial array, generally use dual polarized antenna, the phase between two polarised directions is basic
It is considered that independently of each other, the design of the broadcast channel of thin wave beam at present usually not considers the influence of phase, dual polarized antenna
Its gain is damaged during applied to broadcast channel, causes its covering poor.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device for sending signal, it is intended to which how solution improves wide
The problem of broadcasting the covering of channel.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, a kind of method for sending signal, methods described include：
Obtain two polarised directions of the antenna with two polarised directions；
Described two polarised directions are adjusted to same sending direction；
The transmission means of described two polarised directions is adjusted to the mode of diversity transmission；
Data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission.
Preferably, it is described that described two polarised directions are adjusted to same sending direction, including：
Identical antenna weights are used in described two polarised directions, by the identical antenna weights by described two
Individual polarised direction is adjusted to the same sending direction.
Preferably, the transmission means by described two polarised directions is adjusted to the mode of diversity transmission, including：
Obtain two adjacent sub-carriers in the frequency domain of described two polarised directions；
Described two adjacent sub-carriers are configured to space-frequency block codes group, or described two adjacent time-slots are configured to space-time
Block code group.
Preferably, it is described to be passed data-signal to the same sending direction after adjustment by way of the diversity transmission
After defeated, in addition to：
Obtain the data-signal after transmission；
Wherein, the vector form of the data-signal is：The vector sum for representing the space-frequency block codes group represents the antenna
The vector of weights carries out the vector after product；Or represent the vector sum of the space-time block coding group and represent the antenna weights
Vector carry out product after vector.
Preferably, before two polarised directions for obtaining the antenna with two polarised directions, in addition to：
Detect whether the channel that is pre-configured with is wide under broadcast channel or wide area covering scene under high band scene
Broadcast channel；
If the channel being pre-configured with is broadcast channel or the wide area covering scene under the high band scene
Under broadcast channel, then the step of performing two polarised directions for obtaining the antenna with two polarised directions；
If the channel being pre-configured with is not broadcast channel or wide area covering field under the high band scene
Broadcast channel under scape, then continue the channel that is pre-configured with described in monitoring whether be broadcast channel under the high band scene or
Broadcast channel under wide area covering scene described in person.
Second aspect, a kind of device for sending signal, described device include：
First acquisition module, for obtaining two polarised directions of the antenna with two polarised directions；
First adjusting module, for described two polarised directions to be adjusted into same sending direction；
Second adjusting module, for the transmission means of described two polarised directions to be adjusted to the mode of diversity transmission；
Transport module, for by way of the diversity transmission by data-signal to the same sending direction after adjustment
Transmission.
Preferably, first adjusting module, is used for：
Identical antenna weights are used in described two polarised directions, by the identical antenna weights by described two
Individual polarised direction is adjusted to the same sending direction.
Preferably, second adjusting module, is used for：
Obtain two adjacent sub-carriers in the frequency domain of described two polarised directions；
Described two adjacent sub-carriers are configured to space-frequency block codes group, or described two adjacent time-slots are configured to space-time
Block code group.
Preferably, described device also includes the second acquisition module, and second acquisition module is used for：
After data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission, obtain
Take the data-signal after transmission；
Wherein, the vector form of the data-signal is：The vector sum for representing the space-frequency block codes group represents the antenna
The vector of weights carries out the vector after product；Or represent the vector sum of the space-time block code group and represent the antenna weights
Vector carries out the vector after product.
Preferably, described device also includes：
Detection module, for before two polarised directions of the antenna with two polarised directions are obtained, detection to be advance
Whether the channel of configuration is the broadcast channel under high band scene or the broadcast channel under wide area covering scene；
Execution module, if being the broadcast channel or described under the high band scene for the channel being pre-configured with
Broadcast channel under wide area covering scene, then perform first acquisition module；
Module is monitored, if not being the broadcast channel under the high band scene or institute for the channel being pre-configured with
The broadcast channel under wide area covering scene is stated, then whether the channel for continuing to be pre-configured with described in monitoring is under the high band scene
Broadcast channel or the wide area covering scene under broadcast channel.
The embodiment of the present invention provides a kind of method and device for sending signal, obtains the antenna with two polarised directions
Two polarised directions；The transmission means of described two polarised directions is adjusted to the mode of diversity transmission；By described two polarization
Direction is adjusted to same sending direction；By data-signal to the same transmission after adjustment by way of the diversity transmission
Transmit in direction；The antenna of two polarised directions is made full use of, the antenna of two polarised directions is sent out according to identical weighted factor
Send, i.e., a direction is directed at simultaneously, in order to which the signal between two polarised directions will not cause signal serious because of opposite in phase
Decline, using diversity sending method, so as to improve the phase between two polarised directions under broadcast channel scene it is unknown when
Wave beam forming, and then dual polarized antenna is applied to during broadcast channel its gain and is increased, improve its coverage.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention provides a kind of schematic flow sheet for the method for sending signal；
Fig. 2 is a kind of structural representation of aerial array provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of diversity sending method provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of another method for sending signal provided in an embodiment of the present invention；
Fig. 5 is the schematic flow sheet of another method for sending signal provided in an embodiment of the present invention；
Fig. 6 is a kind of high-level schematic functional block diagram of device for sending signal 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 that the embodiment of the present invention provides a kind of schematic flow sheet for the method for sending signal.
As shown in figure 1, the method for sending signal includes：
Step 101, two polarised directions of the antenna with two polarised directions are obtained；
Specifically, as shown in Fig. 2 Fig. 2 is a kind of structural representation of aerial array provided in an embodiment of the present invention.It is assumed that
Aerial array is (M, N, P), and wherein M is the line number of aerial array, and N is the columns of aerial array, and P is the number of polarised direction,
It is 2 herein.
Step 102, described two polarised directions are adjusted to same sending direction；
Preferably, it is described that described two polarised directions are adjusted to same sending direction, including：
Identical antenna weights are used in described two polarised directions, by the identical antenna weights by described two
Individual polarised direction is adjusted to the same sending direction.
Specifically, in order that antenna points to some direction, two polarised directions use identical antenna weights w=[w1,
w2,...,wMN]。
Step 103, the transmission means of described two polarised directions is adjusted to the mode of diversity transmission；
Preferably, the transmission means by described two polarised directions is adjusted to the mode of diversity transmission, including：
Obtain two adjacent sub-carriers in the frequency domain of described two polarised directions；
Described two adjacent sub-carriers are configured to space-frequency block codes group, or described two adjacent time-slots are configured to space-time
Block code group.
Specifically, in order to which the signal between two polarised directions will not cause signal seriously to decline because of opposite in phase, adopt
With diversity transmission scheme, for example, as shown in figure 3, Fig. 3 is a kind of signal of diversity sending method provided in an embodiment of the present invention
Figure.Space-frequency block codes (Space Frequency Block Code, SFBC), space-time block coding (Space Time can be used
Block Code, STBC) etc. mode.
Step 104, data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission.
Specifically, subcarrier one SFBC group of composition that the frequency domain of two polarised directions two is adjacent, it is assumed that to be sent
Two symbols are a1、a2, corresponding subcarrier in frequency domain position is i and i+1, then it is as follows to send signal generation for it：
Wherein y1And y2All antennas respectively on i and i+1 send symbol ⊙ and accumulated for kroner.
The embodiment of the present invention provides a kind of method for sending signal, obtains two poles of the antenna with two polarised directions
Change direction；The transmission means of described two polarised directions is adjusted to the mode of diversity transmission；Described two polarised directions are adjusted
Whole is same sending direction；Data-signal is passed to the same sending direction after adjustment by way of the diversity transmission
It is defeated；Make full use of the antenna of two polarised directions, the antenna of two polarised directions is sent according to identical weighted factor, i.e., it is same
When be aligned a direction, in order to which the signal between two polarised directions will not cause signal seriously to decline because of opposite in phase, adopt
With diversity sending method, so as to improve the phase between two polarised directions under broadcast channel scene it is unknown when wave beam assign
Shape, and then cause dual polarized antenna to be applied to its gain increase during broadcast channel, improve its coverage.
With reference to figure 4, Fig. 4 is the schematic flow sheet of another method for sending signal provided in an embodiment of the present invention.
As shown in figure 4, the method for sending signal includes：
Step 401, two polarised directions of the antenna with two polarised directions are obtained；
Step 402, described two polarised directions are adjusted to same sending direction；
Step 403, the transmission means of described two polarised directions is adjusted to the mode of diversity transmission；
Step 404, data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission；
Step 405, the data-signal after transmission is obtained；Wherein, the vector form of the data-signal is：Represent the sky
The vector that the vector sum of frequency block code group represents the antenna weights carries out the vector after product；Or represent the space-time block and compile
The vector that the vector sum of code character represents the antenna weights carries out the vector after product.
With reference to figure 5, Fig. 5 is the schematic flow sheet of another method for sending signal provided in an embodiment of the present invention.
As shown in figure 5, the transmission signal includes：
Step 501, detect whether the channel that is pre-configured with is broadcast channel or wide area covering field under high band scene
Broadcast channel under scape；
Step 502, if the channel being pre-configured with is broadcast channel or the wide area under the high band scene
Broadcast channel under covering scene, then performing acquisition has the step of two polarised directions of antenna of two polarised directions；
Step 503, if the channel being pre-configured with is not the broadcast channel or described wide under the high band scene
Broadcast channel under the covering scene of domain, then whether the channel for continuing to be pre-configured with described in monitoring is wide under the high band scene
Broadcast the broadcast channel under channel or the wide area covering scene；
Step 504, two polarised directions of the antenna with two polarised directions are obtained；
Step 505, described two polarised directions are adjusted to same sending direction；
Step 506, the transmission means of described two polarised directions is adjusted to the mode of diversity transmission；
Step 507, data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission；
Step 508, the data-signal after transmission is obtained；Wherein, the vector form of the data-signal is：Represent the sky
The vector that the vector sum of frequency block code group represents the antenna weights carries out the vector after product；Or represent the space-time block and compile
The vector that the vector sum of code character represents the antenna weights carries out the vector after product.
With reference to figure 6, Fig. 6 is a kind of high-level schematic functional block diagram of device for sending signal provided in an embodiment of the present invention.
As shown in fig. 6, the device for sending signal includes：
First acquisition module 601, for obtaining two polarised directions of the antenna with two polarised directions；
First adjusting module 602, for described two polarised directions to be adjusted into same sending direction；
Preferably, first adjusting module 602, is used for：
Identical antenna weights are used in described two polarised directions, by the identical antenna weights by described two
Individual polarised direction is adjusted to the same sending direction.
Second adjusting module 603, for the transmission means of described two polarised directions to be adjusted to the mode of diversity transmission；
Preferably, second adjusting module 603, is used for：
Obtain two adjacent sub-carriers in the frequency domain of described two polarised directions；
Described two adjacent sub-carriers are configured to space-frequency block codes group, or described two adjacent time-slots are configured to space-time
Block code group.
Transport module 604, for by way of the diversity transmission by data-signal to the same transmission after adjustment
Transmit in direction.
Preferably, described device also includes the second acquisition module, and second acquisition module is used for：
After data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission, obtain
Take the data-signal after transmission；
Wherein, the vector form of the data-signal is：The vector sum for representing the space-frequency block codes group represents the antenna
The vector of weights carries out the vector after product；Or represent the vector sum of the space-time block code group and represent the antenna weights
Vector carries out the vector after product.
Preferably, described device also includes：
Detection module, for before two polarised directions of the antenna with two polarised directions are obtained, detection to be advance
Whether the channel of configuration is the broadcast channel under high band scene or the broadcast channel under wide area covering scene；
Execution module, if being the broadcast channel or described under the high band scene for the channel being pre-configured with
Broadcast channel under wide area covering scene, then perform first acquisition module；
Module is monitored, if not being the broadcast channel under the high band scene or institute for the channel being pre-configured with
The broadcast channel under wide area covering scene is stated, then whether the channel for continuing to be pre-configured with described in monitoring is under the high band scene
Broadcast channel or the wide area covering scene under broadcast channel.
The embodiment of the present invention provides a kind of device for sending signal, obtains two poles of the antenna with two polarised directions
Change direction；The transmission means of described two polarised directions is adjusted to the mode of diversity transmission；Described two polarised directions are adjusted
Whole is same sending direction；Data-signal is passed to the same sending direction after adjustment by way of the diversity transmission
It is defeated；Make full use of the antenna of two polarised directions, the antenna of two polarised directions is sent according to identical weighted factor, i.e., it is same
When be aligned a direction, in order to which the signal between two polarised directions will not cause signal seriously to decline because of opposite in phase, adopt
With diversity sending method, so as to improve the phase between two polarised directions under broadcast channel scene it is unknown when wave beam assign
Shape, and then cause dual polarized antenna to be applied to its gain increase during broadcast channel, improve its coverage.
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 for sending signal, it is characterised in that methods described includes：Obtain two polarised directions of the antenna with two polarised directions；Described two polarised directions are adjusted to same sending direction；The transmission means of described two polarised directions is adjusted to the mode of diversity transmission；Data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission.
- 2. according to the method for claim 1, it is characterised in that described that described two polarised directions are adjusted to same hair Direction is sent, including：Identical antenna weights are used in described two polarised directions, by the identical antenna weights by described two poles Change direction and be adjusted to the same sending direction.
- 3. according to the method for claim 2, it is characterised in that the transmission means by described two polarised directions adjusts For the mode of diversity transmission, including：Obtain two adjacent sub-carriers in the frequency domain of described two polarised directions；Described two adjacent sub-carriers are configured to space-frequency block codes group, or described two adjacent time-slots are configured to space-time block code Group.
- 4. according to the method for claim 3, it is characterised in that it is described by way of the diversity transmission by data-signal To after the same sending direction transmission after adjustment, in addition to：Obtain the data-signal after transmission；Wherein, the vector form of the data-signal is：The vector sum for representing the space-frequency block codes group represents the antenna weights Vector carry out product after vector；Or represent the space-time block coding group vector sum represent the antenna weights to Amount carries out the vector after product.
- 5. according to the method described in Claims 1-4 any one, it is characterised in that the acquisition has two polarised directions Antenna two polarised directions before, in addition to：Detect whether the channel being pre-configured with is the broadcast channel under high band scene or the broadcast letter under wide area covering scene Road；If the channel being pre-configured with is under broadcast channel or the wide area covering scene under the high band scene Broadcast channel, then performing acquisition has the step of two polarised directions of antenna of two polarised directions；If the channel being pre-configured with is not under broadcast channel or the wide area covering scene under the high band scene Broadcast channel, then continue whether the channel that is pre-configured with described in monitoring is broadcast channel or institute under the high band scene State the broadcast channel under wide area covering scene.
- 6. a kind of device for sending signal, it is characterised in that described device includes：First acquisition module, for obtaining two polarised directions of the antenna with two polarised directions；First adjusting module, for described two polarised directions to be adjusted into same sending direction；Second adjusting module, for the transmission means of described two polarised directions to be adjusted into diversity transmission mode；Transport module, for being passed data-signal to the same sending direction after adjustment by way of the diversity transmission It is defeated.
- 7. device according to claim 6, it is characterised in that first adjusting module, be used for：Identical antenna weights are used in described two polarised directions, by the identical antenna weights by described two poles Change direction and be adjusted to the same sending direction.
- 8. device according to claim 7, it is characterised in that second adjusting module, be used for：Obtain two adjacent sub-carriers in the frequency domain of described two polarised directions；Described two adjacent sub-carriers are configured to space-frequency block codes group, or described two adjacent time-slots are configured to space-time block code Group.
- 9. device according to claim 8, it is characterised in that described device also includes the second acquisition module, and described second Acquisition module is used for：After data-signal is transmitted to the same sending direction after adjustment by way of the diversity transmission, obtain and pass Data-signal after defeated；Wherein, the vector form of the data-signal is：The vector sum for representing the space-frequency block codes group represents the antenna weights Vector carry out product after vector；Or represent the vector sum of the space-time block code group and represent the vector of the antenna weights Carry out the vector after product.
- 10. according to the device described in claim 6 to 9 any one, it is characterised in that described device also includes：Detection module, for before two polarised directions of the antenna with two polarised directions are obtained, detection to be pre-configured with Channel whether be the broadcast channel under high band scene or the broadcast channel under wide area covering scene；Execution module, if being broadcast channel or the wide area under the high band scene for the channel being pre-configured with Broadcast channel under covering scene, then perform first acquisition module；Module is monitored, if not being the broadcast channel or described wide under the high band scene for the channel being pre-configured with Broadcast channel under the covering scene of domain, then whether the channel for continuing to be pre-configured with described in monitoring is wide under the high band scene Broadcast the broadcast channel under channel or the wide area covering scene.
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Application publication date: 20180105 |