CN102958115A - Signal processing method and device - Google Patents
Signal processing method and device Download PDFInfo
- Publication number
- CN102958115A CN102958115A CN2011102531800A CN201110253180A CN102958115A CN 102958115 A CN102958115 A CN 102958115A CN 2011102531800 A CN2011102531800 A CN 2011102531800A CN 201110253180 A CN201110253180 A CN 201110253180A CN 102958115 A CN102958115 A CN 102958115A
- Authority
- CN
- China
- Prior art keywords
- signal
- base station
- portable terminal
- station sub
- neighbor cell
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a signal processing method and device. The signal processing method comprises the following steps that: a base station subsystem determines that a mobile terminal is located in a repeating coverage area of a serving cell and a cell adjacent to the serving cell, wherein the servicing cell is a cell into which the mobile terminal is connected; the base station subsystem obtains a first signal corresponding to the mobile terminal from the serving cell; the base station subsystem obtains a second signal corresponding to the mobile terminal from the adjacent cell; and the base station subsystem takes can be used for combining and processing the first signal and the second signal as signals corresponding to the mobile terminal. According to the signal processing method, the inhibiting capacity of the mobile terminal on interference is enhanced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of signal processing method and device.
Background technology
Global system for mobile communications (Global System for Mobile communications, referred to as GSM) network architecture of system is as shown in Figure 1, this network architecture comprises core net, base station controller (Base Station Controller, referred to as BSC) and base station (Base Station, referred to as BTS) three layers, wherein BTS is by baseband pool unit (Base Band Unit, referred to as BBU) and remote radio unit (RRU) (Radio Remote Unit, referred to as RRU) form, BSC and BTS can be collectively referred to as again base station sub-system (BSS Base Station Subsystem), wherein, interface between core net and the BSC is called the A interface, interface between BSC and the BTS is called Abis interface, and the interface between BTS and portable terminal is called Um Interface; Core net, BSC and BTS collaborative work provide complete mobile voice service function to portable terminal.
The gsm wireless network is provided by several base stations and covers and service, and gsm system adopts honeycomb to solve the limited contradiction of traffic demand and mobile communication system frequency resource.But the frequency multiplexing mode that honeycomb brings has introduced a considerable amount of interference for inevitably the GSM network, makes the GSM network become the larger network of interference ratio.
The interference ratio that portable terminal is subject in the correlation technique is larger, causes the up-link wireless link performance poor.
Summary of the invention
Main purpose of the present invention is to provide a kind of signal processing method and device, to address the above problem at least.
According to an aspect of the present invention, a kind of signal processing method is provided, comprise: base station sub-system determines that portable terminal is positioned at the repetition overlay area of the neighbor cell of Serving cell and this Serving cell, and wherein said Serving cell is the residential quarter of described portable terminal access; Described base station sub-system is obtained first signal corresponding to described portable terminal from described Serving cell; Described base station sub-system is obtained secondary signal corresponding to described portable terminal from described neighbor cell; Described base station sub-system merges the result of processing as signal corresponding to described portable terminal with described first signal and described secondary signal.
Preferably, described base station sub-system receives secondary signal corresponding to described portable terminal from described neighbor cell and comprises: described base station sub-system configures described neighbor cell and receives timeslice and the corresponding signal of upstream frequency that described portable terminal uses; The signal that receives in described timeslice and described upstream frequency that described base station sub-system receives that described neighbor cell reports.
Preferably, in described base station sub-system the result that described first signal and described secondary signal merge processing is comprised as signal corresponding to described portable terminal: described base station sub-system is determined the quality of described secondary signal and level greater than first threshold; Described base station sub-system merges the result of processing as signal corresponding to described portable terminal with described quality and level greater than the secondary signal of first threshold.
Preferably, the baseband pool in the described base station sub-system merges processing with described first signal and described secondary signal.
Preferably, before base station sub-system determines that portable terminal is positioned at the repetition overlay area of neighbor cell of Serving cell and this Serving cell, also comprise: described base station sub-system is carried out the air interface synchronization of a plurality of base stations in this base station sub-system compass of competency.
Preferably, after described base station sub-system is obtained secondary signal corresponding to described portable terminal from described neighbor cell, also comprise: described base station sub-system determine the level of described secondary signal and quality greater than the level of Second Threshold and described first signal and quality greater than the 3rd threshold value; Described base station sub-system configures the transmit diversity that described neighbor cell and described Serving cell carry out many antennas.
Preferably, after described base station sub-system is obtained secondary signal corresponding to described portable terminal from described neighbor cell, also comprise: described base station sub-system is determined the difference of the level of the level of described secondary signal and quality and described first signal and quality greater than the 4th threshold value; Described base station sub-system triggers described portable terminal and switches to described neighbor cell from described Serving cell.
According to a further aspect in the invention, a kind of signal processing apparatus is provided, be applied to base station sub-system, comprise: the first determination module, be used for determining that portable terminal is positioned at the repetition overlay area of the neighbor cell of Serving cell and this Serving cell, wherein said Serving cell is the residential quarter of described portable terminal access; The first acquisition module is used for obtaining first signal corresponding to described portable terminal from described Serving cell; The second acquisition module is used for obtaining secondary signal corresponding to described portable terminal from described neighbor cell; The first processing module is used for described first signal and described secondary signal are merged the result of processing as signal corresponding to described portable terminal.
Preferably, described the second acquisition module comprises: the first configuration module is used for described neighbor cell and receives timeslice and the corresponding signal of upstream frequency that described portable terminal uses; Receiver module is used for receiving the signal that described neighbor cell reports receives in described timeslice and described upstream frequency.
Preferably, described the first processing module comprises: the second determination module is used for determining the quality of described secondary signal and level greater than first threshold; The second processing module is used for described quality and level merged greater than the secondary signal of first threshold and processes as signal corresponding to described portable terminal.
Preferably, said apparatus also comprises: synchronization module, and for the air interface synchronization of a plurality of base stations in the base station sub-system compass of competency of carrying out described synchronization module place.
Preferably, said apparatus also comprises: the 3rd determination module, be used for determining the level of described secondary signal and quality greater than the level of Second Threshold and described first signal and quality greater than the 3rd threshold value; The second configuration module is used for configuring the transmit diversity that described neighbor cell and described Serving cell carry out many antennas.
Preferably, said apparatus also comprises: the 4th determination module is used for determining the difference of the level of the level of described secondary signal and quality and described first signal and quality greater than the 4th threshold value; Trigger module is used for triggering described portable terminal and switches to described neighbor cell from described Serving cell.
By the present invention, adopt base station sub-system to determine the overlapping region of portable terminal between the residential quarter, and merge processing from the signal that the Serving cell at this portable terminal place and neighbor cell obtain, and will merge signal after processing as signal corresponding to portable terminal, because the signal after merging has improved signal level and quality, in interference-limited environment, obtain good voice service quality and data service quality, solved in the correlation technique portable terminal and received that interference is larger, cause the poor problem of up-link wireless link performance, thereby improved the antijamming capability of portable terminal, thereby improved the up-link wireless link performance of terminal.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the network element framework of the gsm system of correlation technique;
Fig. 2 is the flow chart according to the signal processing method of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the signal processing apparatus of the embodiment of the invention;
Fig. 4 is the preferred structured flowchart according to the signal processing apparatus of the embodiment of the invention;
Fig. 5 is the schematic diagram one according to the portable terminal access to mobile network scene of the embodiment of the invention;
Fig. 6 is the flow chart one of according to the preferred embodiment of the invention signal processing method;
Fig. 7 is the schematic diagram two according to the portable terminal access to mobile network scene of the embodiment of the invention; And
Fig. 8 is the flowchart 2 of signal processing method according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.
The present embodiment provides a kind of signal processing method, and Fig. 2 is the flow chart according to the signal processing method of the embodiment of the invention, and as shown in Figure 2, the method comprises that following step S202 is to step S208.
Step S202: base station sub-system determines that portable terminal is positioned at the repetition overlay area of the neighbor cell of Serving cell and this Serving cell, and wherein Serving cell is the residential quarter of this portable terminal access.
Step S204: base station sub-system is obtained first signal corresponding to portable terminal from this Serving cell.
Step S206: base station sub-system is obtained secondary signal corresponding to portable terminal from this neighbor cell.
Step S208: base station sub-system merges the result of processing as signal corresponding to this portable terminal with first signal and secondary signal.
Pass through above-mentioned steps, base station sub-system is determined the overlapping region of portable terminal between the residential quarter, and merge processing from the signal that the Serving cell at this portable terminal place and neighbor cell obtain, and will merge signal after processing as signal corresponding to portable terminal, because the signal after merging has improved signal level and quality, in interference-limited environment, obtain good voice service quality and data service quality, receive that interference is larger so can overcome in the correlation technique portable terminal, cause the poor problem of up-link wireless link performance, thereby improved the antijamming capability of portable terminal, thereby improved the up-link wireless link performance of terminal.
As one preferred embodiment, step S206 can realize in the following manner that base station sub-system is from secondary signal corresponding to neighbor cell mobile terminal receive: timeslice and the corresponding signal of upstream frequency that base station sub-system configuration neighbor cell mobile terminal receive uses; The signal that receives in timeslice and upstream frequency that the base station sub-system reception of neighboring cell reports.
As another preferred embodiment, in the enforcement of step S208, first signal and the secondary signal (signals of all neighbor cells) that obtains all can be merged processing, during but this mode is implemented, if adjacent residential quarter is many, the process that the signal of a plurality of neighbor cells need to be merged processing is with regard to more complicated, and can increase the load of the operating main body that merges processing.More excellent, can divide secondary signal according to level and the quality of secondary signal, quality and the level secondary signal greater than first threshold is merged, quality and level are merged the result of processing as signal corresponding to portable terminal greater than the secondary signal of first threshold.This execution mode has reduced the complexity that merging is processed, and has reduced the load that merges the main body of processing operation by secondary signal is screened.
When implementing, in base station sub-system, this first signal and this secondary signal are merged processing, the pond, base station is a module of base station sub-system, merges processing in the pond, base station, has realized the uniformity that merges, and has reduced the energy consumption of base station sub-system resource.
As another more excellent execution mode, before step S202, also comprise: base station sub-system is carried out the air interface synchronization of a plurality of base stations in this base station sub-system compass of competency.In force, a plurality of base stations in the base station sub-system compass of competency eat dishes without rice or wine have a deviation, by carrying out synchronous operation to eating dishes without rice or wine, overcome the deviation of eating dishes without rice or wine, so that a plurality of adjacent base stations are realized air interface synchronization in interior a plurality of base stations, improved the accuracy that signal receives.
As another more excellent execution mode, after step S206, base station sub-system can determine whether and can carry out transmit diversity to neighbor cell and Serving cell according to level and the quality of secondary signal.For example: base station sub-system determine the level of secondary signal and quality greater than the level of Second Threshold and first signal and quality greater than the 3rd threshold value; Base station sub-system configuration neighbor cell and Serving cell carry out the transmit diversity of many antennas.In mobile communication system, transmit diversity can improve the performance that signal receives, for the present embodiment, the secondary signal of neighbor cell is relatively good, under the first signal that accesses the residential quarter also reasonable situation, person's two class signals are carried out transmit diversity process, strengthened the transmitting power of signal, thereby improve the accuracy that mobile terminal signal receives.Need to prove, carrying out transmit diversity only needs multiple signals just can realize, but in order to improve the receptivity of signal, in the present embodiment, the level of first signal and secondary signal and the threshold value of quality and correspondence are compared respectively, what satisfy condition just carries out transmit diversity, is equivalent to select level and mass ratio signal number at a plurality of signals and carries out transmit diversity, and the advantage of transmit diversity just is reflected more clearly like this.
As another more excellent execution mode, after step S206, base station sub-system can be carried out hand-off process according to the first signal that gets access to and secondary signal.For example: base station sub-system is determined the difference of the level of the level of secondary signal and quality and first signal and quality greater than the 4th threshold value; The base station sub-system triggering mobile terminals switches to neighbor cell from Serving cell.By the processing that the more accurate degree signal after merging switches, improved the accuracy of hand-off process.
In another embodiment, also provide a kind of signal processing software, this software be used for to be carried out the technical scheme that above-described embodiment and preferred embodiment are described.
In another embodiment, also provide a kind of storage medium, stored above-mentioned data transmission software in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
The embodiment of the invention also provides a kind of signal processing apparatus, can be applied to base station sub-system, this signal processing apparatus can be used for realizing above-mentioned signal processing method and preferred implementation, carried out explanation, repeat no more, the below describes the module that relates in this signal processing apparatus.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described system and method for following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also may and be conceived.
Fig. 3 is the structured flowchart according to the signal processing apparatus of the embodiment of the invention, and as shown in Figure 3, this device comprises: the first determination module 32, the first acquisition module 34, the second acquisition module 36 and the first processing module 38, and the below is described in detail said structure:
The first determination module 32 is used for determining that portable terminal is positioned at the repetition overlay area of the neighbor cell of Serving cell and this Serving cell, and wherein, Serving cell is the residential quarter of portable terminal access; The first acquisition module 34 is connected to the first determination module 32, when being used for the first determination module 32 and determining that portable terminals are positioned at the repetition overlay area of neighbor cell of Serving cell and this Serving cell, obtains first signal corresponding to portable terminal from Serving cell; The second acquisition module 36 is connected to the first determination module 32, when being used for the first determination module 32 and determining that portable terminals are positioned at the repetition overlay area of neighbor cell of Serving cell and this Serving cell, obtains secondary signal corresponding to portable terminal from neighbor cell; The first processing module 38, be connected to the first acquisition module 34, the second acquisition module 36, be used for the secondary signal that first signal that the first acquisition module 34 is got access to and the second acquisition module 36 get access to and merge the result of processing as signal corresponding to portable terminal.
Fig. 4 is the preferred structured flowchart according to the signal processing apparatus of the embodiment of the invention, and as shown in Figure 4, this device also comprises: the second acquisition module 36 comprises: the first configuration module 362 and receiver module 364; The first processing module 38 comprises: the second determination module 382 and the second processing module 384; Said apparatus also comprises: synchronization module 42, the 3rd determination module 44, the second configuration module 46, the 4th determination module 48 and trigger module 49, the below is described in detail said structure.
The second acquisition module 36 comprises: the first configuration module 362 is used for timeslice and the corresponding signal of upstream frequency that the neighbor cell mobile terminal receive uses; Receiver module 364 is connected to the first configuration module 362, the signal that timeslice and the upstream frequency in 362 configurations of the first configuration module that reports for reception of neighboring cell receives.
The first processing module 38 comprises: the second determination module 382 is used for determining the quality of secondary signal and level greater than first threshold; The second processing module 384, be connected to the second determination module 382, when being used for the second determination module 382 and determining the quality of secondary signal and level greater than first threshold, quality and level merged greater than the secondary signal of first threshold process as signal corresponding to portable terminal.
Said apparatus also comprises: synchronization module 42, and for the air interface synchronization of a plurality of base stations in the base station sub-system compass of competency of carrying out this synchronization module place.
Said apparatus also comprises: the 3rd determination module 44, be connected to the second acquisition module 36 and the first acquisition module 34, be used for determining the level of the first signal that the level of the secondary signal that the second acquisition module 36 gets access to and quality get access to greater than Second Threshold and the first acquisition module 34 and quality greater than the 3rd threshold value; The second configuration module 46, be connected to the 3rd determination module 44, be used for determining the level of secondary signals and quality greater than the level of the downstream signal of the signal of Second Threshold and mobile terminal reporting and quality during greater than the 3rd threshold value at the 3rd determination module 44, configuration neighbor cell and Serving cell carry out the transmit diversity of many antennas.
Said apparatus also comprises: the 4th determination module 48, be connected to the first acquisition module 34 and the second acquisition module 36, be used for determining the difference of the level of the first signal that the level of the secondary signal that the second acquisition module 36 gets access to and quality and the first acquisition module 34 get access to and quality greater than the 4th threshold value; Trigger module 49 is connected to the 4th determination module 48, and when being used for difference that the 4th determination module 48 determines the level of the level of secondary signals and quality and first signal and quality greater than the 4th threshold value, triggering mobile terminals switches to neighbor cell from Serving cell.
Describe below in conjunction with preferred embodiment, following preferred embodiment combines above-described embodiment and preferred implementation.
Preferred embodiment one
The present embodiment provides a kind of signal processing method, and the method for the present embodiment comprises the steps:
Step S2: base station sub-system is determined to carry out portable terminal and the Serving cell that communication for coordination is processed, reach one or more neighbor cells that conspiracy relation is arranged with Serving cell, the conspiracy relation of neighbor cell and Serving cell just refers to that portable terminal is in the covering overlapping area of neighbor cell RRU and Serving cell RRU.
When implementing, step S2 can comprise following substep:
(1) after Radio Link is set up in portable terminal and service minizone, the measurement data judgement that base station sub-system provides by terminal and Serving cell, whether terminal drops on covering overlapping area.
(2) if drop on the overlapping region, base station sub-system can judge Serving cell and have the neighbor cell of overlapping covering whether to finish the clock synchronous of eating dishes without rice or wine with it, and nonsynchronous neighbor cell can not carry out communication for coordination.
(3) to finishing one or more neighbor cells of air interface synchronization, base station sub-system sends the indication of collaborative work to it, comprise frequency, time slot, TSC and cipher key configuration information that terminal is used, the RRU of neighbor cell finishes after the configuration the simultaneously upward signal of receiving terminal, and level and quality measured, if reach certain threshold value, just be judged as useful signal, send up useful signal to baseband pool.
Step S4: base station sub-system realizes collaborative signal processing and switching.
When implementing, step S4 can comprise following substep:
(1) baseband pool of base station sub-system (unit) receives the terminal upward signal from Serving cell RRU and adjacent cell RRU, work in coordination with to strengthen and process, weighting merges the raising signal quality, use interference mitigation technology to offset and disturb, thereby improve terminal to the up-link wireless link performance of BTS.
Preferably, if Serving cell RRU and neighbor cell RRU belong to different baseband pool BBU, between baseband pool, finish so the coordination sharing of data according to InterBBULink.
(2) if the base station sub-system judgement, upward signal level and the quality of neighbor cell reach certain threshold value, the gentle quality of downlink electrical of terminal to report reaches certain threshold value simultaneously, neighbor cell can carry out with Serving cell the transmit diversity of many antennas, simultaneously, base station sub-system is analyzed the measurement data of neighbor cell, and the measurement data when an adjacent area is higher than Serving cell after certain threshold value, triggers hand-off process.
Need to prove, in the present embodiment, base station sub-system at first realizes the whole network air interface synchronization, then begin to analyze the measurement data that portable terminal and Serving cell RRU report, simultaneously, timeslice and upstream frequency signal that the neighbor cell RRU mobile terminal receive of requirement Serving cell is just using, these signal unifications are sent to baseband pool BBU and work in coordination with merging enhancing processing, and base station sub-system judges whether to trigger switching according to quality of uplink signal.
As one preferred embodiment, sending to the pond, base station at the signal that neighbor cell is received carries out in the process of associated treatment, can select signal preferably the signal of neighbor cell send to the pond, base station and carry out associated treatment, for example: measuring-signal or the quality that can judge neighbor cell, be higher than first threshold if judge measuring-signal or the quality of neighbor cell, just the signal of this neighbor cell and the signal of Serving cell can be carried out the collaborative merging processing of many antennas in baseband pool.More excellent, be higher than Second Threshold if judge measuring-signal or the quality of neighbor cell, then can start transmit diversity by the Serving cell of this neighbor cell and portable terminal.More excellent, being lower than the 3rd threshold value if judge level and the quality of portable terminal, base station sub-system can be switched according to the measurement data of neighbor cell.
Preferred embodiment two
The present embodiment provides a kind of signal processing method, Fig. 5 is the schematic diagram one according to the portable terminal access to mobile network scene of the embodiment of the invention, as shown in Figure 5, portable terminal and network are set up radio communication chain circuit, and Serving cell and collaborative adjacent area are in same baseband pool BBU; Fig. 6 is the flow chart one of according to the preferred embodiment of the invention signal processing method, and as shown in Figure 6, the method comprises the steps that S602 is to step S614.
Step S602: connection of mobile terminal into network, enter the dedicated channel pattern, simultaneously base station sub-system has been finished the air interface synchronization between a plurality of RRU, comprises frequency, phase place and frame number synchronously.
Step S604: to there not being synchronous residential quarter, do not carry out associated treatment.
Step S606: the measurement data that base station sub-system analysis portable terminal and Serving cell RRU1 report, judging has the neighbor cell that repeats to cover, send collaborative Indication message to neighbor cell, timeslice and upstream frequency signal that the RRU2 mobile terminal receive of configuration neighbor cell is just using, neighbor cell judges signal level and quality, is lower than certain threshold value, execution in step S608 if judged result is signal level and the quality of neighbor cell, otherwise, execution in step S610.
Step S608: do not carry out collaborative signal processing.
Step S610: base station sub-system is determined collaborative neighboring area signal level and quality is higher than certain threshold value, send signal to baseband pool unit BBU, BBU receives the terminal upward signal of Serving cell RRU1 and adjacent area RRU2, work in coordination with to strengthen and process, weighting merges the raising signal quality, use interference mitigation technology to offset and disturb, thereby improve terminal to the up-link wireless link performance of BTS.
Step S612: upward signal level and quality that base station sub-system is judged neighbor cell reach certain threshold value, the gentle quality of downlink electrical of terminal to report reaches certain threshold value simultaneously, neighbor cell can carry out with Serving cell the transmit diversity of many antennas, simultaneously, base station sub-system is analyzed the measurement data of neighbor cell, measurement data when an adjacent area is higher than Serving cell after certain threshold value, triggers hand-off process.
Step S614: finish.
Preferred embodiment three
The present embodiment provides a kind of signal processing method, Fig. 7 is the schematic diagram two according to the portable terminal access to mobile network scene of the embodiment of the invention, as shown in Figure 7, portable terminal and network are set up radio communication chain circuit, and Serving cell and collaborative adjacent area are in two baseband pool BBU; Fig. 8 is the flowchart 2 of signal processing method according to the preferred embodiment of the invention, and as shown in Figure 8, the method comprises the steps that S802 is to step S814.
Step S802: connection of mobile terminal into network, enter the dedicated channel pattern, simultaneously base station sub-system has been finished the air interface synchronization between a plurality of RRU, comprises frequency, phase place and frame number synchronously.
Step S804: to there not being synchronous residential quarter, do not carry out associated treatment.
Step S806: the measurement data that base station sub-system analysis portable terminal and Serving cell RRU1 report, judging has the neighbor cell that repeats to cover, send collaborative Indication message to neighbor cell, timeslice and upstream frequency signal that the RRU2 mobile terminal receive of configuration neighbor cell is just using, neighbor cell is judged signal level and quality, if judged result is yes, execution in step S808, otherwise execution in step S810.
Step S808: do not carry out collaborative signal processing.
Step S810: base station sub-system is determined collaborative neighboring area signal level and quality is higher than certain threshold value, signal sends to baseband pool unit BBU2, BBU2 sends the signal of adjacent area RRU2 to BBU1 by InterBBULink, BBU1 receives the terminal upward signal of Serving cell RRU1 and adjacent area RRU2 like this, work in coordination with to strengthen and process, weighting merges the raising signal quality, uses interference mitigation technology to offset and disturbs, thereby improve the up-link wireless link performance that terminal arrives BTS.
Step S812: upward signal level and quality that base station sub-system is judged neighbor cell reach certain threshold value, the gentle quality of downlink electrical of terminal to report reaches certain threshold value simultaneously, then neighbor cell can carry out with Serving cell the transmit diversity of many antennas, simultaneously, base station sub-system is analyzed the measurement data of neighbor cell, measurement data when an adjacent area is higher than Serving cell after certain threshold value, triggers hand-off process.
Step S814: finish.
Pass through above-described embodiment, a kind of signal processing method and device are provided, know the covering overlapping area of portable terminal by base station sub-system, by the associated treatment of a plurality of RRU and baseband pool BBU, improve the inhibition ability to disturbing, promote wireless uplink and descending link performance, improve the quality of voice-and-data business, and more accurately switch decision can be provided, make the GSM network in interference-limited environment, still obtain good overall network performance.Need to prove, these technique effects are not that above-mentioned all execution modes have, and some technique effect is that some preferred implementation just can obtain.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby they can be stored in the storage device, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a signal processing method is characterized in that, comprising:
Base station sub-system determines that portable terminal is positioned at the repetition overlay area of the neighbor cell of Serving cell and this Serving cell,
Wherein, described Serving cell is the residential quarter of described portable terminal access;
Described base station sub-system is obtained first signal corresponding to described portable terminal from described Serving cell;
Described base station sub-system is obtained secondary signal corresponding to described portable terminal from described neighbor cell;
Described base station sub-system merges the result of processing as signal corresponding to described portable terminal with described first signal and described secondary signal.
2. method according to claim 1 is characterized in that, described base station sub-system receives secondary signal corresponding to described portable terminal from described neighbor cell and comprises:
Described base station sub-system configures described neighbor cell and receives timeslice and the corresponding signal of upstream frequency that described portable terminal uses;
The signal that receives in described timeslice and described upstream frequency that described base station sub-system receives that described neighbor cell reports.
3. method according to claim 1 is characterized in that, in described base station sub-system the result that described first signal and described secondary signal merge processing is comprised as signal corresponding to described portable terminal:
Described base station sub-system is determined the quality of described secondary signal and level greater than first threshold;
Described base station sub-system merges the result of processing as signal corresponding to described portable terminal with described quality and level greater than the secondary signal of first threshold.
4. each described method in 3 according to claim 1 is characterized in that, the baseband pool in the described base station sub-system merges processing with described first signal and described secondary signal.
5. each described method in 3 according to claim 1 is characterized in that, before base station sub-system determines that portable terminal is positioned at the repetition overlay area of neighbor cell of Serving cell and this Serving cell, also comprises:
Described base station sub-system is carried out the air interface synchronization of a plurality of base stations in this base station sub-system compass of competency.
6. method according to claim 1 is characterized in that, after described base station sub-system is obtained secondary signal corresponding to described portable terminal from described neighbor cell, also comprises:
Described base station sub-system determine the level of described secondary signal and quality greater than the level of Second Threshold and described first signal and quality greater than the 3rd threshold value;
Described base station sub-system configures the transmit diversity that described neighbor cell and described Serving cell carry out many antennas.
7. method according to claim 1 is characterized in that, after described base station sub-system is obtained secondary signal corresponding to described portable terminal from described neighbor cell, also comprises:
Described base station sub-system is determined the difference of the level of the level of described secondary signal and quality and described first signal and quality greater than the 4th threshold value;
Described base station sub-system triggers described portable terminal and switches to described neighbor cell from described Serving cell.
8. a signal processing apparatus is applied to base station sub-system, it is characterized in that, comprising:
The first determination module is used for determining that portable terminal is positioned at the repetition overlay area of the neighbor cell of Serving cell and this Serving cell, and wherein, described Serving cell is the residential quarter of described portable terminal access;
The first acquisition module is used for obtaining first signal corresponding to described portable terminal from described Serving cell;
The second acquisition module is used for obtaining secondary signal corresponding to described portable terminal from described neighbor cell;
The first processing module is used for described first signal and described secondary signal are merged the result of processing as signal corresponding to described portable terminal.
9. device according to claim 8 is characterized in that, described the second acquisition module comprises:
The first configuration module is used for described neighbor cell and receives timeslice and the corresponding signal of upstream frequency that described portable terminal uses;
Receiver module is used for receiving the signal that described neighbor cell reports receives in described timeslice and described upstream frequency.
10. device according to claim 8 is characterized in that, described the first processing module comprises:
The second determination module is used for determining the quality of described secondary signal and level greater than first threshold;
The second processing module is used for described quality and level merged greater than the secondary signal of first threshold and processes as signal corresponding to described portable terminal.
11. each described device in 10 is characterized in that according to claim 8, also comprises:
Synchronization module is for the air interface synchronization of a plurality of base stations in the base station sub-system compass of competency of carrying out described synchronization module place.
12. device according to claim 8 is characterized in that, also comprises:
The 3rd determination module, be used for determining the level of described secondary signal and quality greater than the level of Second Threshold and described first signal and quality greater than the 3rd threshold value;
The second configuration module is used for configuring the transmit diversity that described neighbor cell and described Serving cell carry out many antennas.
13. device according to claim 8 is characterized in that, also comprises:
The 4th determination module is used for determining the difference of the level of the level of described secondary signal and quality and described first signal and quality greater than the 4th threshold value;
Trigger module is used for triggering described portable terminal and switches to described neighbor cell from described Serving cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102531800A CN102958115A (en) | 2011-08-30 | 2011-08-30 | Signal processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102531800A CN102958115A (en) | 2011-08-30 | 2011-08-30 | Signal processing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102958115A true CN102958115A (en) | 2013-03-06 |
Family
ID=47766195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102531800A Pending CN102958115A (en) | 2011-08-30 | 2011-08-30 | Signal processing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102958115A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194516A1 (en) * | 2013-06-07 | 2014-12-11 | 华为技术有限公司 | Signal transmission method and device for multi-rru co-cell |
| CN105827283A (en) * | 2015-01-09 | 2016-08-03 | 中国移动通信集团江苏有限公司 | Method and device based on multiple-input multiple-output (MIMO) mode communication |
| CN106454886A (en) * | 2015-08-12 | 2017-02-22 | 中国移动通信集团上海有限公司 | Signal transmission method, devices and system thereof |
| CN107889118A (en) * | 2017-10-19 | 2018-04-06 | 北京全路通信信号研究设计院集团有限公司 | A kind of LTE R network systems of RRU interleaving redundants |
| WO2018090206A1 (en) * | 2016-11-15 | 2018-05-24 | 华为技术有限公司 | Interference suppression method and apparatus |
| CN108777875A (en) * | 2018-05-21 | 2018-11-09 | 北京北方烽火科技有限公司 | A kind of method for processing business and device |
| CN113709762A (en) * | 2020-05-20 | 2021-11-26 | 大唐移动通信设备有限公司 | Signal processing method and device for cell merging scene, network side and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009116643A1 (en) * | 2008-03-21 | 2009-09-24 | 株式会社エヌ・ティ・ティ・ドコモ | User equipment, base station device, and mobile communication method |
| CN101710839A (en) * | 2009-08-07 | 2010-05-19 | 无锡爱达威通信科技有限公司 | Multi-antenna selectivity transmit-diversity method of wireless OFDM/TDD system |
| CN101778438A (en) * | 2010-01-25 | 2010-07-14 | 华为技术有限公司 | Method and device for coordinated communication and switching method and base station control device thereof |
| CN101990301A (en) * | 2009-07-31 | 2011-03-23 | 中兴通讯股份有限公司 | Diversity receiving system and method under multi-carrier network |
-
2011
- 2011-08-30 CN CN2011102531800A patent/CN102958115A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009116643A1 (en) * | 2008-03-21 | 2009-09-24 | 株式会社エヌ・ティ・ティ・ドコモ | User equipment, base station device, and mobile communication method |
| CN101990301A (en) * | 2009-07-31 | 2011-03-23 | 中兴通讯股份有限公司 | Diversity receiving system and method under multi-carrier network |
| CN101710839A (en) * | 2009-08-07 | 2010-05-19 | 无锡爱达威通信科技有限公司 | Multi-antenna selectivity transmit-diversity method of wireless OFDM/TDD system |
| CN101778438A (en) * | 2010-01-25 | 2010-07-14 | 华为技术有限公司 | Method and device for coordinated communication and switching method and base station control device thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194516A1 (en) * | 2013-06-07 | 2014-12-11 | 华为技术有限公司 | Signal transmission method and device for multi-rru co-cell |
| CN105827283A (en) * | 2015-01-09 | 2016-08-03 | 中国移动通信集团江苏有限公司 | Method and device based on multiple-input multiple-output (MIMO) mode communication |
| CN105827283B (en) * | 2015-01-09 | 2019-03-12 | 中国移动通信集团江苏有限公司 | A kind of method and device based on the communication of multiple-input and multiple-output MIMO method |
| CN106454886A (en) * | 2015-08-12 | 2017-02-22 | 中国移动通信集团上海有限公司 | Signal transmission method, devices and system thereof |
| WO2018090206A1 (en) * | 2016-11-15 | 2018-05-24 | 华为技术有限公司 | Interference suppression method and apparatus |
| CN107889118A (en) * | 2017-10-19 | 2018-04-06 | 北京全路通信信号研究设计院集团有限公司 | A kind of LTE R network systems of RRU interleaving redundants |
| CN107889118B (en) * | 2017-10-19 | 2020-11-24 | 北京全路通信信号研究设计院集团有限公司 | LTE-R network system with RRU interleaving redundancy |
| CN108777875A (en) * | 2018-05-21 | 2018-11-09 | 北京北方烽火科技有限公司 | A kind of method for processing business and device |
| CN108777875B (en) * | 2018-05-21 | 2021-06-29 | 武汉虹信科技发展有限责任公司 | Service processing method and device |
| CN113709762A (en) * | 2020-05-20 | 2021-11-26 | 大唐移动通信设备有限公司 | Signal processing method and device for cell merging scene, network side and storage medium |
| CN113709762B (en) * | 2020-05-20 | 2023-12-26 | 大唐移动通信设备有限公司 | Signal processing method, device, network and storage medium for cell merging scene |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Jeong et al. | Random access in millimeter-wave beamforming cellular networks: issues and approaches | |
| US9831926B2 (en) | Method and apparatus for performing coordinated multipoint transmission and reception (CoMP) in a wireless communication network | |
| Jorswieck et al. | Spectrum sharing improves the network efficiency for cellular operators | |
| US10925092B2 (en) | Request to send (RTS)/clear to send (CTS) using a self-contained slot | |
| CN102958115A (en) | Signal processing method and device | |
| US7756482B2 (en) | Scheduling method for wireless multihop relay communication systems and system thereof | |
| CN105009640A (en) | Channel measurement method, cell handover method, related device and system | |
| CN105745966A (en) | Base station and method for early handover using uplink channel characteristics | |
| US20090286465A1 (en) | Scheduling methods and systems for multi-hop relay in wireless communications | |
| CN113644949B (en) | Method and apparatus for satellite communication | |
| CN105103631A (en) | Performing inter-frequency measurements on carriers with overlapping bandwidths | |
| CN113727365A (en) | Interference control method and device | |
| US9326165B2 (en) | Method, device, radio network controller and chip for improving network quality | |
| CN108882266A (en) | Wireless resource management RRM measurement method, network side equipment and terminal | |
| CN103973610B (en) | The upstream data method of reseptance and device of wireless transmitting-receiving equipments | |
| CN110611931B (en) | Method and device for detecting beam | |
| CN106416344A (en) | Methods and apparatuses for enabling use of un-licensed frequency band | |
| CN114430557B (en) | Beam management method and device | |
| US8199713B2 (en) | Fractional frequency reuse in a communication system | |
| Hewavithana et al. | Overcoming channel aging in massive MIMO basestations with Open RAN fronthaul | |
| US20210083750A1 (en) | Low Latency Beam Search and Dynamic Beamforming | |
| CN100373810C (en) | Wireless apparatus for improving cover of wireless station and capacity signal processing method thereof | |
| WO2019047217A1 (en) | Detection of intermodulation issues and transmission scheme configuration to remedy intermodulation issues | |
| EP1940049A1 (en) | Scheduling method for wireless multihop relay communication system and system thereof | |
| Gomes et al. | Dimensioning spectrum to support ultra-reliable low-latency communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130306 |
|
| WD01 | Invention patent application deemed withdrawn after publication |