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Access network system

An access network and wireless technology, applied in the transmission system, radio transmission system, network topology, etc., can solve the problems of not having the means to make incoming calls, not processing incoming calls, etc.

Inactive Publication Date: 2004-01-14
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And thereafter, even if the wireless base station device 2 detects an idle wireless channel, it does not have the means to make an incoming call, so although the relevant subscriber line of the serving node is in an incoming call state, it does not perform incoming call processing, and becomes a call. loss, that's the problem

Method used

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Examples

Experimental program
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Embodiment 1

[0021] figure 1 It is the whole structure diagram of the access network of WLL etc. in the present invention. In this figure, 1 is an access network controller (WAC) such as a WLL. WAC1 is connected to existing network service node 6 through subscriber line 7 . WAC1 is connected to wireless base station device 2 via trunk line 5 . Under the wireless base station device 2, a plurality of user devices 3a to 3b are accommodated via a wireless line 4. As shown in FIG. The user terminals 8a to 8b are respectively connected to the user devices 3a to 3b, and communication services are provided in the user terminals 8a to 8b.

[0022] The wireless base station device 2 is equipped with an interface 21 , a control unit 22 and an interface 23 . The interface 21 serves as an interface with the radio base station device 2 and the radio line 4 . Furthermore, the wireless line 4 is monitored to detect an idle channel. The control unit 22 controls the overall processing of the radio b...

Embodiment 2

[0035] Figure 4 is a sequence diagram showing another embodiment of the access network system of the present invention. There is an incoming call request to WAC1 through service node 6, once a call signal is transmitted to WAC1, then wireless base station device 2 detects that the wireless channel is not idle, until WAC1 transmits no wireless channel (idle) information, and image 3 Same order as shown. If the incoming call holding part 13 of WAC1 receives that there is no wireless channel information, then make this incoming call be in hold state, use the timed value recorded in advance on the incoming call timer starting part 14 of WAC1, start the incoming call timer 15 again.

[0036] After the re-entry timer 15 expires, if the subscriber line of the service node is in the incoming call state, WAC1 makes the call in the incoming call hold state become incoming call hold release, and transmits the Paging information to the wireless base station device again to perform the ...

Embodiment 3

[0040] Figure 5 is a sequence diagram showing another embodiment of the access network system of the present invention. When the service node 6 generates an incoming call request for WAC1 and transmits a call signal to WAC1, when the trunk line 5 between the wireless base station device 2 and WAC1 that accommodates the incoming user device 3 is a busy channel, the incoming call of WAC1 The call hold unit 13 puts the incoming call on hold, and the interface 11 starts idle channel monitoring to monitor whether the channel of the trunk line 5 is idle. In the channel of this trunk line idle, when WAC1 interface 11 detects that the channel of this trunk line is idle, if this subscriber line 7 of service node 6 is in the incoming call state, then the incoming call holding part 13 of WAC1 makes it be in the incoming call holding state calls to be released from hold, by doing figure 2 The normal incoming call processing shown can make the incoming call successful.

[0041] Accord...

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PUM

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Abstract

A WAC (1) connected with the service node (6) receives from a base station (2) a notification that no idle wireless channel is present if a wireless circuit (4) is busy when the service node (6) makes a call request. If the WAC (1) receives the channel busy notification, or cannot detect an idle channel in a trunk line, the WAC (1) reserves a call processing. If the WAC (1) receives the notification that an idle wireless channel is present, or detects an idle channel in the trunk line, and if the current subscriber line (7) from the service node (6) still holds the incoming call state, the WAC (1) releases the reservation of the call processing, and performs a repeated call processing for the call request when the call request is still present.

Description

technical field [0001] The present invention relates to an access network system, which is connected to an existing user exchange, including fixed terminals such as user terminals installed in the user's house and a wireless base station device connected by wireless, and is used to have the function of concentrating user lines Access network such as WLL (Wireless Local Loop). In addition, the so-called access network refers to the network from the PBX at the calling side to the home of the user at the calling end. However, the access network does not include the private exchange and the terminal in the user's premises. Background technique [0002] Figure 7 It is a configuration diagram showing an example of the configuration of an access network such as a conventional WLL. In the figure, 1 is a WAC (WLL Access Controller) as a WLL control device, 2 is a wireless base station device connected to the trunk line 5 through the WAC1, and 3a to 3b are user devices connected to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/06H04W84/14
CPCH04W84/14H04W72/06H04W72/563
Inventor 今井毅根本昌明松山浩司
Owner MITSUBISHI ELECTRIC CORP