CN203632880U - Access point equipment of wireless local area network - Google Patents
Access point equipment of wireless local area network Download PDFInfo
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- CN203632880U CN203632880U CN201320856188.0U CN201320856188U CN203632880U CN 203632880 U CN203632880 U CN 203632880U CN 201320856188 U CN201320856188 U CN 201320856188U CN 203632880 U CN203632880 U CN 203632880U
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Abstract
The utility model discloses access point equipment of a wireless local area network for improving placement flexibility of the access point equipment in the wireless local area network, improving coverage capacity and coverage quality, and improving expandability. The access point equipment comprises a grouped data processing module, a radio frequency module and a universal serial bus USB transmission module. The grouped data processing module and the radio frequency module are respectively provided with a USB interface. The USB transmission module is connected with the USB interface of the grouped data processing module and the USB interface of the radio frequency module respectively.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of access point apparatus of WLAN.
Background technology
At present, WLAN (Wireless Local Area Networks, WLAN) access point (Access Point, AP) the packet data processes module of equipment and radio-frequency module are Peripheral Component Interconnect standard (the mini Peripheral Component Interconnect by micro, mini PCI) acceleration Peripheral Component Interconnect standard (the mini PCI-Express of interface or micro, mini PCI-E) interface communicates connection, wherein, nearly 188 of the number of pin of mini pci interface, the number of pin of mini PCI-E also reaches 52, this packet data processes module and radio-frequency module that just defines the access point apparatus of WLAN must bundle.
Be the structural representation of existing WLAN access point apparatus as shown in Figure 1, in WLAN access point apparatus, packet data processes module and radio-frequency module bundled, can bring following limitation:
The first, equipment form is dumb, once equipment lays, for example, if change (increase capacity, change frequency range etc.) just must lay new equipment again, this just makes workload larger, and flexibility is also poor.
Second, access point apparatus can only be realized and being zoomed out and indoor distribution by the combiner device of radiofrequency signal, as shown in Figure 2 for traditional WLAN access point apparatus zooms out and the schematic diagram of indoor setting, wherein, the channel of each overlay area is identical, although increased overlay area, covering capacity does not increase, can form larger conflict so increase the more user who brings overlay area, thereby reduce user's network experience.And combiner device can increase radio frequency Insertion Loss, even if the transmitting power of equipment increases like this, arrive user's side also and reduced because of the decay of multiple combiner devices, and supported that the power consumption demand of equipment of high-power transmitting is also larger.
The 3rd, if fruit needs multiple radio-frequency modules, just need to arrange and mini pci interface or the mini PCI-E interface of radio-frequency module corresponding number, and interface increase can increase system complexity and the complexity of primary processor.And, adopt in the time having multiple radio-frequency module, because the distance between each interface of connection radio-frequency module is shorter, between each radio-frequency module, lean on closelyer, disturb larger.
In sum, existing access point apparatus is arranged and is lacked flexibility, covers finite capacity, poor expandability.
Utility model content
The utility model provides a kind of access point apparatus that is applied to WLAN, for improving the flexibility that lays of WLAN access point apparatus, improves covering capacity and covering quality, and improves extensibility.
The concrete technical scheme that the utility model embodiment provides is as follows:
Be applied to an access point apparatus for WLAN, comprise packet data processes module, radio-frequency module and general-purpose serial bus USB transport module;
Described packet data processes module and described radio-frequency module are respectively arranged with USB interface;
Described USB transport module connects respectively the USB interface of described packet data processes module and the USB interface of described radio-frequency module.
Based on technique scheme, in the utility model embodiment, in WLAN, connecting interface between packet data processes module and radio-frequency module using USB interface in access point apparatus, can improve the flexibility that lays of access point apparatus, and can or change radio-frequency module according to actual needs increase and decrease, so that covering capacity and covering frequency range are adjusted flexibly.Simultaneously, connecting interface between packet data processes module and radio-frequency module using USB interface in access point apparatus, can improve the extensibility of access point apparatus, and the power attenuation that can avoid available technology adopting combiner device to cause radiofrequency signal, covering quality improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of access point apparatus in prior art;
Fig. 2 is that in prior art, access point apparatus zooms out and the schematic diagram of indoor setting;
Fig. 3 is the structural representation of access point apparatus in the utility model embodiment;
Fig. 4 is that the USB interface of packet data processes module in the utility model embodiment arranges schematic diagram;
Fig. 5 is the structural representation of packet data processes module in the utility model embodiment;
Fig. 6 is the structural representation of radio-frequency module in the utility model embodiment;
Fig. 7 A is the concrete structure schematic diagram of access point apparatus in the utility model embodiment;
Fig. 7 B is another concrete structure schematic diagram of access point apparatus during the utility model is implemented;
Fig. 8 is downstream signal process chart in the utility model embodiment;
Fig. 9 is upward signal process chart in the utility model embodiment.
Embodiment
In order to improve the flexibility that lays of access point apparatus in WLAN, improve covering capacity and covering quality, and improve extensibility, the utility model embodiment provides a kind of access point apparatus that is applied to WLAN.
Below in conjunction with accompanying drawing, the utility model is preferred embodiment elaborated.
As shown in Figure 3, in the utility model the first embodiment, provide a kind of access point apparatus, this access point apparatus comprises packet data processes module 31, radio-frequency module 32 and USB (Universal Serial Bus, USB) transport module 33, wherein,
Packet data processes module 31 and radio-frequency module 32 are respectively arranged with USB interface;
USB transport module 33 connects respectively the USB interface of packet data processes module 31 and the USB interface of radio-frequency module 32.
In concrete enforcement, in downstream signal transmitting procedure, packet data processes module 31, be used for receiving Ethernet data, according to Ethernet protocol, described Ethernet data is converted to grouped data, is sent to USB transport module 33 by USB interface after this packet data format being converted to usb data according to usb data host-host protocol;
USB transport module 33, for being sent to described usb data the radio-frequency module 32 of access point apparatus;
Radio-frequency module 32, for receiving usb data by USB interface, is converted to grouped data according to usb data host-host protocol by this usb data, and this grouped data is modulated to radiofrequency signal and sends radiofrequency signal by antenna transmission.
In concrete enforcement, in uplink signal transmissions process, radio-frequency module 32, also for received RF signal, is demodulated into digital signal by this radiofrequency signal, sends to USB transport module 33 after this data-signal being converted to usb data according to usb data host-host protocol by USB interface;
USB transport module 33 is also for sending to usb data packet data processes module 31;
Packet data processes module 31 is also for receiving usb data by USB interface, and according to usb data host-host protocol, this usb data is converted to digital signal, according to Ethernet protocol, this digital signal is converted to Ethernet data, and sends to Ethernet.
At one, preferably in embodiment, as shown in Figure 4, packet data processes module 31 is provided with multiple USB interface (usb 1, USB interface 2 ... USB interface N), wherein, each USB interface has unique identification.In practical application, this unique identification only needs uniquely to determine a USB interface, for example, can be the port numbers of USB interface.
In concrete enforcement, if packet data processes module 31 is provided with multiple USB interface, packet data processes module 31 also stores the uniquely identified corresponding relation of user ID and USB interface.
Wherein, packet data processes module 31 is specifically for receiving the Ethernet data that carries user ID, according to Ethernet protocol, this Ethernet data is converted to after grouped data, search local user ID of preserving and the uniquely identified corresponding relation of USB interface, determine the unique identification of the USB interface corresponding with the user ID of carrying in grouped data, according to usb data host-host protocol, this packet data format is converted to after usb data, sends usb data to USB transport module 33 by the definite USB interface of the unique identification of this USB interface.
In practical application, in the time that packet data processes module 31 is provided with multiple USB interface, each USB interface that can be packet data processes module 31 connects a radio-frequency module 32 by USB transport module 33 correspondences, and the number of the USB interface of the data of radio-frequency module 32 and packet data processes module 31 is equal to; Also can be that part USB interface connects radio-frequency module 32 by USB transport module 33 correspondences, part USB interface be in idle condition.
In concrete enforcement, if packet data processes module 31 is provided with multiple USB interface, packet data processes module 31 is specifically for receiving usb data by USB interface, and according to usb data host-host protocol, this usb data is converted to digital signal, obtain the unique identification of the USB interface that receives this usb data, and obtain the user ID of carrying in this digital signal, preserve the unique identification of this USB interface and the corresponding relation of this user ID.
Preferably, packet data processes module 31 is also in the time preserving the unique identification of USB interface and the corresponding relation of user ID, unique identification to USB interface and user ID corresponding relation safeguard, for example, delete the uniquely identified corresponding relation of this user ID and other USB interface.
In concrete enforcement, as shown in Figure 5, packet data processes module 31 specifically comprises that ethernet physical layer is processed submodule 501, bag is processed submodule 502, USB isochronous schedules submodule 503 and more than one USB interface 504 and power supply submodule 505;
Wherein, ethernet physical layer is processed submodule 501, bag is processed submodule 502 and is connected successively with USB isochronous schedules submodule 503;
USB isochronous schedules submodule 503 connects more than one USB interface 504.
In concrete enforcement, as shown in Figure 6, radio-frequency module 32 specifically comprises that the USB interface 601, the USB that connect successively receive and dispatch submodule 602, modulation /demodulation submodule 603 and radio-frequency receiving-transmitting submodule 604.In this concrete enforcement, the USB interface 601 of radio-frequency module 32 connects USB transport module 33, to connect the USB interface 504 of packet data processes module 31 by USB transport module 33.
In the first specific embodiment, the concrete structure of the packet data processes module based on shown in accompanying drawing 5, in downstream signal process of transmitting, the concrete processing procedure of packet data processes module is as follows:
Ethernet physical layer is processed submodule 501 for receiving Ethernet data, sends to bag and process submodule 502 after Ethernet data is decoded;
Bag is processed submodule 502 for the Ethernet data after receipt decoding, according to Ethernet protocol, this Ethernet data is carried out to Data Format Transform and obtains grouped data, and this grouped data is sent to USB isochronous schedules submodule 503;
USB isochronous schedules submodule 503 is for receiving grouped data, according to usb data host-host protocol, this grouped data being carried out to format conversion is usb data, by USB interface 504, this usb data is sent to USB transport module 33, wherein, USB interface 504 connects USB transport module 33;
Wherein, in the time that packet data processes module 31 is provided with multiple USB interface, bag is processed the user ID that submodule 502 also carries for obtaining grouped data, inquire about the uniquely identified corresponding relation of pre-stored user ID and USB interface, obtain and the unique identification of the corresponding USB interface of this user ID, and the unique identification of this USB interface is sent to USB isochronous schedules submodule 503;
USB isochronous schedules submodule 503 is also for sending usb data by the definite USB interface of the unique identification of this USB interface.
In the second specific embodiment, the concrete structure of the radio-frequency module based on shown in accompanying drawing 6, in downstream signal process of transmitting, the concrete processing procedure of radio-frequency module is as follows:
USB transmitting-receiving submodule 602 is for receiving usb data by USB interface 601, sends to modulation /demodulation submodule 603 after this usb data being converted to grouped data according to usb data host-host protocol;
Modulation /demodulation submodule 603 is for being modulated to this grouped data radiofrequency signal and sending to radio-frequency receiving-transmitting submodule 604;
Radio-frequency receiving-transmitting submodule 604 sends to mobile terminal overlay area in by antenna for radiofrequency signal is carried out after filtering and power amplification.
In the 3rd specific embodiment, the concrete structure of the radio-frequency module based on shown in accompanying drawing 6, in upward signal process of transmitting, the concrete processing procedure of radio-frequency module is as follows:
Radio-frequency receiving-transmitting submodule 604, for by the radiofrequency signal of antenna reception mobile terminal, carries out after filtering and power amplification are processed sending to modulation /demodulation submodule 603;
Modulation /demodulation submodule 603 is for radiofrequency signal is demodulated into digital signal, and sends to USB transmitting-receiving submodule 602;
USB transmitting-receiving submodule 602 sends to USB transport module 33 by USB interface 601 after this digital signal being converted to usb data according to usb data host-host protocol.
In the 4th specific embodiment, the concrete structure of the packet data processes module based on shown in accompanying drawing 5, in upward signal process of transmitting, the concrete processing procedure of packet data processes module 31 is as follows:
USB isochronous schedules submodule 503 is for receiving usb data by USB interface 504, and according to usb data host-host protocol, this usb data being carried out to format conversion is digital signal, and sends to bag to process submodule 502;
Bag is processed submodule 502 for according to Ethernet protocol, digital signal being converted to Ethernet data, and sends to ethernet physical layer to process submodule 501;
Ethernet physical layer is processed submodule 501 and be sent to Ethernet after this Ethernet data is encoded.
Wherein, in the time that packet data processes module 31 is provided with multiple USB interface, USB isochronous schedules submodule 503 also when receiving usb data by USB interface 504, obtains the unique identification of the USB interface that receives this usb data, and sends to bag to process submodule 502;
Bag is processed submodule 502 also for before digital signal being converted to Ethernet data according to Ethernet protocol, obtain the user ID of carrying in digital signal, and preserve the uniquely identified corresponding relation of the USB interface that this user ID and USB isochronous schedules submodule 503 send.
Preferably, bag process submodule 502 also for preserving the uniquely identified corresponding relation of the USB interface that user ID and USB isochronous schedules submodule 503 send when the unique identification to USB interface and user ID corresponding relation safeguard, for example, delete the uniquely identified corresponding relation of this user ID and other USB interface.
In the utility model embodiment, USB transport module can adopt USB local transmission line to realize, or adopts USB optical fiber cable to realize.In practical application, can determine USB transport module according to transmission range, for example, as shown in accompanying drawing 7A, in the time that transmission range is no more than 5 meters, adopt USB local transmission line to realize, with cost-saving; In the time that exceeding 5 meters, transmission range adopt USB optical fiber cable (AOC) to realize, to guarantee transmission performance, AOC converts electrical signals to light signal in the time of transmission, and transmission range can reach 100 meters, adopts AOC to realize the schematic diagram that WLAN (wireless local area network) zooms out as accompanying drawing 7B is depicted as.
Based on principle of uniformity, as shown in Figure 8, in the utility model the second embodiment, also provide the downlink signal processing method of the access point apparatus in the first embodiment, specific as follows:
Step 801: the packet data processes module of access point apparatus receives Ethernet data, according to Ethernet protocol, described Ethernet data is converted to grouped data, is sent to USB transport module by USB interface after this packet data format being converted to usb data according to usb data host-host protocol.
Preferably, in the time that packet data processes module is provided with multiple USB interface, packet data processes module also stores the uniquely identified corresponding relation of user ID and USB interface.
Particularly, before packet data processes module is converted to usb data according to usb data host-host protocol by packet data format, the user ID of preserving according to the user ID inquiry of carrying in grouped data and the uniquely identified corresponding relation of USB interface, obtain the unique identification of the USB interface corresponding with the user ID of carrying in grouped data, determine the USB interface corresponding to unique identification of this USB interface.
In concrete an enforcement, the ethernet physical layer of packet data processes module is processed submodule and is received Ethernet data, and the bag that sends to packet data processes module after Ethernet data is decoded is processed submodule;
The bag of packet data processes module is processed the Ethernet data after submodule receipt decoding, according to Ethernet protocol, this Ethernet data is carried out to Data Format Transform and obtain grouped data, this grouped data is sent to the USB isochronous schedules submodule of packet data processes module;
USB isochronous schedules submodule receives grouped data, and according to usb data host-host protocol, this grouped data being carried out to format conversion is usb data, by USB interface, this usb data is sent to USB transport module.
Wherein, in the time that packet data processes module is provided with multiple USB interface, bag in packet data processes module is processed submodule and is obtained the user ID of carrying in grouped data, inquire about the uniquely identified corresponding relation of pre-stored user ID and USB interface, obtain and the unique identification of the corresponding USB interface of this user ID, and the unique identification of this USB interface is sent to the USB isochronous schedules submodule in packet data processes module;
USB isochronous schedules submodule in packet data processes mould sends usb data by the definite USB interface of the unique identification of this USB interface.
Step 802:USB transport module is sent to this usb data the radio-frequency module of access point apparatus.
Wherein, USB transport module is USB local transmission line or USB optical fiber cable.
Step 803: radio-frequency module receives usb data by USB interface, is converted to grouped data according to usb data host-host protocol by this usb data, and this grouped data is modulated to radiofrequency signal and passes through antenna transmission.
In concrete an enforcement, the USB transmitting-receiving submodule of radio-frequency module receives usb data by USB interface, according to usb data host-host protocol, this usb data is converted to the modulation /demodulation submodule that sends to radio-frequency module after grouped data;
The modulation /demodulation submodule of radio-frequency module is modulated to radiofrequency signal by this grouped data and sends to the radio-frequency receiving-transmitting submodule of radio-frequency module;
The radio-frequency receiving-transmitting submodule of radio-frequency module carries out radiofrequency signal after filtering and power amplification, to send to the mobile terminal in overlay area by antenna.
Based on principle of uniformity, as shown in Figure 9, in the utility model the 3rd embodiment, also provide the upward signal processing method of the access point apparatus in the first embodiment, specific as follows:
Step 901: the radio-frequency module received RF signal of access point apparatus, radiofrequency signal is demodulated into digital signal, according to usb data host-host protocol, this digital signal is converted to the USB transport module that sends to access point apparatus after usb data by USB interface.
In concrete an enforcement, the radio-frequency receiving-transmitting submodule of radio-frequency module, by the radiofrequency signal of antenna reception mobile terminal, carries out sending to after filtering and power amplification are processed the modulation /demodulation submodule of radio-frequency module;
Radiofrequency signal is demodulated into digital signal by the modulation /demodulation submodule of radio-frequency module, and send to the USB transmitting-receiving submodule of radio-frequency module;
The USB transmitting-receiving submodule of radio-frequency module is converted to this digital signal after usb data according to usb data host-host protocol, sends to USB transport module by USB interface.
Step 902:USB transport module sends to usb data the packet data processes module of access point apparatus.
Wherein, USB transport module is USB local transmission line or USB optical fiber cable.
Step 903: packet data processes module receives usb data by USB interface, and according to usb data host-host protocol, usb data is converted to digital signal, according to Ethernet protocol, this digital signal is converted to Ethernet data, and sends to Ethernet.
Preferably, in the time that packet data processes module is provided with multiple USB interface, packet data processes module receives usb data by USB interface, and while this usb data being converted to digital signal according to usb data host-host protocol, packet data processes module is obtained the unique identification of the USB interface that receives usb data, and obtain the user ID of carrying in digital signal, preserve the unique identification of the USB interface of obtaining and the corresponding relation of the user ID of obtaining.
Preferably, when packet data processes module is preserved the unique identification of the USB interface of obtaining and the corresponding relation of the user ID of obtaining, unique identification to USB interface and user ID corresponding relation safeguard, for example, delete the uniquely identified corresponding relation of this user ID and other USB interface.
In concrete an enforcement, the USB isochronous schedules submodule of packet data processes module receives usb data by USB interface, according to usb data host-host protocol, this usb data being carried out to format conversion is digital signal, and sends to the bag of packet data processes module to process submodule;
The bag of packet data processes module is processed submodule, according to Ethernet protocol, digital signal is converted to Ethernet data, and sends to the ethernet physical layer of packet data processes module to process submodule;
The ethernet physical layer of packet data processes module is processed after submodule is encoded to this Ethernet data and is sent to Ethernet.
Wherein, in the time that packet data processes module is provided with multiple USB interface, when USB isochronous schedules submodule receives usb data by USB interface, obtain the unique identification of the USB interface that receives this usb data, and send to bag to process submodule;
Bag processing submodule obtains the user ID of carrying in digital signal before digital signal being converted to Ethernet data according to Ethernet protocol, and preserves the uniquely identified corresponding relation of the USB interface of this user ID and the transmission of USB isochronous schedules submodule.
Preferably, when bag is processed the uniquely identified corresponding relation of USB interface of submodule preservation user ID and the transmission of USB isochronous schedules submodule, unique identification to USB interface and user ID corresponding relation safeguard, for example, delete the uniquely identified corresponding relation of this user ID and other USB interface.
The access point apparatus that above embodiment provides, owing to adopting USB interface as the connecting interface between packet data processes module and radio-frequency module, the position of modulated RF module and quantity flexibly, in the time that user increases sharply, can directly insert radio-frequency module to increase covering capacity by USB interface, in the time not needing, can reduce radio-frequency module, to avoid the wasting of resources.And, in the time that needs are changed covering frequency range, only need to change radio-frequency module by USB interface, for example, if desired the frequency range of overlay area is become to 5.8G hertz (Hz) from 2.4G hertz (Hz), only need to change the radio-frequency module of USB interface connection.
The access point apparatus that above embodiment provides, carrying out WLAN while zooming out, the capacity that can realize indoor distribution lays, covering capacity times over traditional access device can be provided, and, the radio-frequency module of connection can be changed as required by USB interface, can different covering frequency ranges be set for zones of different, and the radio-frequency module of traditional access device same frequency range can only be adopted.Meanwhile, when USB interface is expanded, complexity is lower, and the requirement of the complexity to system and the complexity of chip is lower, and therefore, the access point apparatus that the utility model embodiment provides possesses good extensibility.
And, dispatch by the radio-frequency module that USB interface is connected, can reduce the interference between each radio-frequency module, and, connect radio-frequency module by USB interface, the power of radiofrequency signal is discharged in user's side completely, avoided the radio frequency signal attenuation that adopts combiner device to cause, reduce power consumption, improved covering quality.
Based on technique scheme, in the utility model embodiment, in WLAN, connecting interface between packet data processes module and radio-frequency module using USB interface in access point apparatus, can improve the flexibility that lays of access point apparatus, and can or change radio-frequency module according to actual needs increase and decrease, so that covering capacity and covering frequency range are adjusted flexibly.Simultaneously, connecting interface between packet data processes module and radio-frequency module using USB interface in access point apparatus, can improve the extensibility of access point apparatus, and the power attenuation that can avoid available technology adopting combiner device to cause radiofrequency signal, covering quality improved.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (6)
1. an access point apparatus that is applied to WLAN, is characterized in that, comprises packet data processes module, radio-frequency module and general-purpose serial bus USB transport module;
Described packet data processes module and described radio-frequency module are respectively arranged with USB interface;
Described USB transport module connects respectively the USB interface of described packet data processes module and the USB interface of described radio-frequency module.
2. access point apparatus as claimed in claim 1, is characterized in that, described packet data processes module is provided with multiple uniquely identified USB interface that have respectively;
Described packet data processes module also stores the uniquely identified corresponding relation of user ID and described USB interface.
3. access point apparatus as claimed in claim 2, is characterized in that, the number of described radio-frequency module is not more than the number of the USB interface of described packet data processes module;
Each described radio-frequency module is connected to a USB interface of described packet data processes module by a USB transport module.
4. the access point apparatus as described in claim 1,2 or 3, is characterized in that, described packet data processes module specifically comprises ethernet physical layer processing submodule, power supply submodule, bag processing submodule, USB isochronous schedules submodule and USB interface;
Described ethernet physical layer processing submodule, bag are processed submodule, described USB isochronous schedules submodule is connected successively with USB interface;
Described power supply submodule is processed submodule with described ethernet physical layer respectively, submodule processed by bag and described USB isochronous schedules submodule is connected.
5. the access point apparatus as described in claim 1,2 or 3, is characterized in that, described radio-frequency module specifically comprises that the USB interface, the USB that connect successively receive and dispatch submodule, modulation /demodulation submodule and radio-frequency receiving-transmitting submodule.
6. the access point apparatus as described in claim 1,2 or 3, is characterized in that, described USB transport module is USB local transmission line or USB optical fiber cable.
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| CN201320856188.0U CN203632880U (en) | 2013-12-23 | 2013-12-23 | Access point equipment of wireless local area network |
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| CN201320856188.0U CN203632880U (en) | 2013-12-23 | 2013-12-23 | Access point equipment of wireless local area network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333274A (en) * | 2017-07-03 | 2017-11-07 | 铂元智能科技(北京)有限公司 | Wireless transmitting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333274A (en) * | 2017-07-03 | 2017-11-07 | 铂元智能科技(北京)有限公司 | Wireless transmitting system |
| CN107333274B (en) * | 2017-07-03 | 2023-09-05 | 铂元智能科技(北京)有限公司 | wireless transmission system |
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