JP4211197B2 - Wireless communication system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a radio communication system comprising a radio communication terminal comprising radio means for detecting a call signal transmitted by a communication network and control means for performing an incoming call operation in accordance with the result of detection of the call signal by the radio means. About.
[0002]
[Problems to be solved by the invention]
In recent years, with the advancement of telecommunications technology, wireless communication systems such as mobile phone systems have become widespread. By the way, in the personal digital cellular mobile phone network standardized by the Japan Radio Industry Association, as shown in FIG. 6, a call signal is transmitted to a mobile phone terminal in units of a super frame (720 milliseconds). The mobile phone terminal detects the call signal transmitted by the mobile phone network by operating the radio circuit in accordance with the timing at which the mobile phone network transmits the call signal, and performs an incoming call operation according to the detected result. It is like that.
[0003]
However, in other words, in the mobile phone terminal, in order to detect the calling signal, the radio circuit must be operated in units of superframes, and the power consumption is reduced in the mobile phone terminal. In view of the fact that there is a demand, it is contrary to the demand.
[0004]
The present invention has been made in view of the circumstances described above, and an object thereof is to provide a wireless communication system capable of reducing power consumption in a wireless communication terminal.
[0010]
[Means for Solving the Problems]
According to the wireless communication system of claim 1 , the communication network transmits a call signal in units of frames that are equal to n times the superframe (n is a natural number of 2 or more), and transmits the same call signal to m (m Is a natural number) times, and in the wireless communication terminal, the control means causes the wireless means to follow the superframe timing over a time equivalent to n times the superframe, and causes the wireless means to operate at (n × m ) since times were configured to operate stopped for time equivalent to the, the wireless unit of a super frame (n × m) times that operate stopped for time equivalent to the one found, operates the no-line means in units of superframes Compared with conventional ones, the number of operations per unit time of the wireless means can be reduced, and power consumption can be reduced accordingly. Can be planned.
[0011]
According to the wireless communication system according to claim 2 , the communication network transmits the call signal in units of superframes, and transmits the call signal in units of frames equal to n times the superframes. Since the paging signal is transmitted by switching the transmission pattern for retransmitting the paging signal m times, when the communication network switches the transmission pattern for transmitting the paging signal, the control means in the radio communication terminal , the operation pattern of operating a wireless device in units of super frames, Ri Na way switch and an operation pattern to be operated to follow the timing of the superframe over time equality wireless means to n times superframe situation The number of operations per unit time of the wireless means can be changed according to the It is possible to reduce the power.
[0012]
According to the wireless communication system of claim 3 , in the wireless communication terminal, the control means sends a message notifying that the predetermined operation has been performed to the communication network by the wireless means in response to the predetermined operation being performed. In response to receiving the message from the wireless communication terminal, the communication network transmits a paging signal in units of superframes and a frame in which the paging signal is equivalent to n times the superframe in units. than the same call signal sends configured to transmit a call signal by switching a transmission pattern for retransmission m times, by performing the Jo Tokoro operation, changing the number of operations per unit time of the radio unit Therefore, power consumption can be reduced accordingly.
[0013]
According to the wireless communication system of claim 4 , in the wireless communication terminal, the control means sends a message notifying that the predetermined time / predetermined time has been measured in response to the measurement of the predetermined time / predetermined time. The communication network is equivalent to a transmission pattern in which a call signal is transmitted in units of a superframe in response to reception of the message from a wireless communication terminal, and the call signal is equal to n times the superframe. than, configured to send a call signal identical call signal by switching a transmission pattern for retransmission m times it transmits the frame as a unit, by counting the Tokoro Teijikoku-predetermined time, the unit of the wireless unit The number of operations per hour can be changed, and power consumption can be reduced accordingly.
[0014]
According to the wireless communication system of claim 5 , in the wireless communication terminal, the control means communicates a message notifying that the moving speed is the predetermined speed by the wireless means in response to the moving speed being the predetermined speed. The communication network transmits a transmission pattern in which a call signal is transmitted in units of superframes and a frame equivalent to the n times of the superframe in response to receiving the message from the wireless communication terminal. than, configured to send a call signal identical call signal sends a unit switching between transmission pattern for retransmission m times, by moving speed reaches a predetermined speed, per unit of the wireless unit time The number of operations can be changed, and power consumption can be reduced accordingly.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
(First embodiment)
Hereinafter, a first embodiment in which the present invention is applied to a mobile phone system will be described with reference to FIGS.
First, FIG. 2 schematically shows an electrical functional block of a mobile phone terminal and a network configuration. In the cellular phone terminal 1 (wireless communication terminal according to the present invention), the CPU 2 (control means according to the present invention) includes a wireless circuit 3 (wireless means according to the present invention) that performs wireless processing, and a transmission voice input by the microphone 4. And a voice circuit 6 that performs voice processing of the received voice output from the receiver 5, a “call start” key for starting a call, a “call end” key for ending a call, and numbers “0” to “9”. A keypad 7 having a large number of keys such as “number” keys for inputting, a display 8 for displaying various display information, and a memory 9 for storing various storage information are connected.
[0016]
In the cellular phone network 10 (communication network referred to in the present invention), the base station 11 transmits a calling signal standardized by the Japan Radio Industry Association, and the cellular phone terminal 1 operates the radio circuit 3 to The call signal transmitted from the base station 11 is detected, and the incoming call operation is performed according to the detected result.
[0017]
In this case, as shown in FIG. 1, the base station 11 transmits a paging signal to a hyperframe (720 milliseconds in FIG. 1) composed of a plurality of superframes (720 milliseconds) (“5” in FIG. 1). 5 = 3600 milliseconds). Along with this, in the mobile phone terminal 1, the CPU 2 operates the radio circuit 3 in accordance with the timing at which the base station 11 transmits the call signal, that is, the call signal is stored in the radio circuit 3. The operation is started (ON) in accordance with the start of the super frame, and the operation is ended (OFF) in accordance with the end of the calling signal. Here, the number of superframes constituting the hyperframe is not limited to “5”, but may be any number other than “5”.
[0018]
As described above, according to the first embodiment, the cellular phone network 10 transmits a call signal in units of hyperframes composed of a plurality of superframes, and the cellular phone terminal 1 carries the radio circuit 3 with it. Since the telephone network 10 is configured to operate in accordance with the timing at which the call signal is transmitted, the wireless circuit 3 is operated in units of hyperframes, and thus the conventional circuit in which the wireless circuit 3 is operated in units of superframes. As compared with, the number of operations per unit time of the wireless circuit 3 can be reduced, and power consumption can be reduced accordingly.
[0019]
(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIG. In addition, description is abbreviate | omitted about the same part as above-mentioned 1st Example, and a different part is demonstrated hereafter.
In the second embodiment, the cellular phone network 10 transmits a call signal by switching between a transmission pattern in which the call signal is transmitted in units of superframes and a transmission pattern in which the call signal is transmitted in units of hyperframes. The mobile phone terminal 1 is configured to switch the operation pattern for operating the wireless circuit 3. In this case, as a trigger for switching the transmission pattern in which the mobile phone network 10 transmits a call signal, for example, when a predetermined operation is performed in the mobile phone terminal 1, when a predetermined time / predetermined time is counted in the mobile phone terminal 1, or There are times when the moving speed of the mobile phone terminal 1 reaches a predetermined speed.
[0020]
That is, if the trigger is when a predetermined operation is performed on the mobile phone terminal 1, when the CPU 2 detects that the predetermined operation is performed on the keypad 7, the CPU 2 performs transmission control on the radio circuit 3, and A message notifying that the operation has been performed is transmitted to the base station 11 of the mobile phone network 10, and the base station 11 receives the message from the mobile phone terminal 1 to switch the transmission pattern for transmitting the call signal. .
[0021]
In the case where the time when a predetermined time / predetermined time is measured in the cellular phone terminal 1 is used as a trigger, when the CPU 2 detects that the predetermined time / predetermined time has been measured, the CPU 2 performs transmission control of the radio circuit 3, A transmission pattern for transmitting a call signal by transmitting a message notifying that the time / predetermined time has been measured to the base station 11 of the mobile phone network 10 and receiving the message from the mobile phone terminal 1. Is switched.
[0022]
Furthermore, if the mobile phone terminal 1 is triggered when the movement speed reaches a predetermined speed, when detecting that the movement speed is the predetermined speed, the CPU 2 controls the transmission of the wireless circuit 3 to detect the movement speed. Is transmitted to the base station 11 of the mobile phone network 10, and the base station 11 receives the message from the mobile phone terminal 1 to switch the transmission pattern for transmitting the call signal. .
[0023]
In this case, when switching the transmission pattern of the call signal, the cellular phone network 10 indicates information indicating the number of superframes constituting the hyperframe and the current superframe order in the notification information message. Information indicating the order of superframes for storing information and a call signal is stored as an information element, and a message of notification information storing these information elements is transmitted to the mobile phone terminal 1, so that the call signal is transmitted as described above. It is possible to switch the transmission pattern to be transmitted.
[0024]
As described above, according to the second embodiment, the mobile phone network 10 can be used when, for example, a predetermined operation is performed on the mobile phone terminal 1, a predetermined time / time is counted, or the moving speed is set to a predetermined speed. Accordingly, the mobile phone is configured to transmit the call signal by switching between a transmission pattern in which the call signal is transmitted in units of superframes and a transmission pattern in which the call signal is transmitted in units of hyperframes. When the network 10 switches the transmission pattern for transmitting the call signal, the cellular phone terminal 1 causes the wireless circuit 3 to operate in units of superframes and the wireless circuit 3 to operate in units of hyperframes. The operation pattern can be switched, and the number of operations per unit time of the wireless circuit 3 can be changed according to the situation. It can be, correspondingly, it is possible to reduce the power consumption.
[0025]
(Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIG. In addition, description is abbreviate | omitted about the same part as above-mentioned 1st Example, and a different part is demonstrated hereafter.
In the third embodiment, the cellular phone network 10 transmits a call signal in units of frames equivalent to n times (n is a natural number of 2 or more) times the super frame, and the same call signal is transmitted m (m is a natural number) times. In this case, the mobile phone terminal 1 operates the wireless circuit 3 by following the superframe timing over a time equivalent to n times the superframe, and equalizes the wireless circuit 3 to (n × m) times the superframe. The operation is configured to stop over time.
[0026]
That is, FIG. 4 shows an example in which the value of n indicating the transmission period of the paging signal is “5” and the value of m indicating the number of retransmissions of the paging signal is “2”. 10 transmits a call signal in units of a frame equivalent to five times the superframe (in FIG. 4, 720 milliseconds × 5 = 3600 milliseconds) and retransmits the same call signal twice (in FIG. 4, “A” and “B” indicate the same calling signal), and the cellular phone terminal 1 operates the wireless circuit 3 by following the timing of the superframe over a time equivalent to five times the superframe, The radio circuit 3 is stopped for a time equivalent to 10 (5 × 2) times the superframe. Here, the value of n indicating the transmission period of the call signal is not limited to “5”, and may be a number other than “5”. The value of m indicating the number of times of retransmission of the call signal is “2”. The number is not limited to “2”, and may be a number other than “2”.
[0027]
As described above, according to the third embodiment, the mobile phone network 10 transmits the call signal in units of frames that are equivalent to n times the superframe, and retransmits the same call signal m times. The terminal 1 causes the wireless circuit 3 to operate following the superframe timing for a time equivalent to n times the superframe, and stops the operation of the wireless circuit 3 for a time equivalent to (n × m) times the superframe. Since the wireless circuit 3 is stopped for a time equivalent to (n × m) times the super frame, the wireless circuit 3 is connected to the super circuit in the same manner as described in the first embodiment. Compared with the conventional one that operates in units of frames, the number of operations per unit time of the wireless circuit 3 can be reduced, and power consumption is reduced accordingly. The force can be reduced.
[0028]
(Fourth embodiment)
Next, a fourth embodiment of the present invention will be described with reference to FIG. In addition, description is abbreviate | omitted about the same part as above-mentioned 3rd Example, and a different part is demonstrated hereafter.
In this fourth embodiment, the mobile phone network 10 transmits a call signal in units of superframes, and transmits a call signal in units of frames equal to n times the superframe, and sends the same call signal to m. The mobile phone terminal 1 is configured to switch the operation pattern for operating the radio circuit 3 in accordance with the transmission signal for switching the transmission pattern to be retransmitted. Also in this case, the trigger for switching the transmission pattern for the mobile phone network 10 to transmit the calling signal is not described in detail, but a predetermined operation is performed in the mobile phone terminal 1, for example, in the same manner as in the second embodiment. When the mobile phone terminal 1 measures a predetermined time / predetermined time, or when the mobile phone terminal 1 moves to a predetermined speed.
[0029]
In this case, when switching the transmission pattern of the call signal, the cellular phone network 10 includes information indicating the transmission period of the call signal (value of “n”) and the number of times the call signal is retransmitted in the notification information message. Information shown (value of m) is stored as an information element, and a broadcast information message storing these information elements is transmitted to the mobile phone terminal 1 to switch the transmission pattern for transmitting the call signal as described above. Is possible.
[0030]
As described above, according to the fourth embodiment, the mobile phone network 10 is configured to, for example, perform a predetermined operation on the mobile phone terminal 1, measure a predetermined time / predetermined time, or move to a predetermined speed. In response to this, a transmission pattern for transmitting the call signal in units of superframes and a transmission pattern for transmitting the call signal in units of frames equivalent to n times the superframe and retransmitting the same call signal m times Since the mobile phone network 10 switches the transmission pattern in which the call signal is transmitted, the mobile phone terminal 1 causes the radio circuit 3 to be set in units of superframes. Follows the timing of the superframe over the operation pattern to operate and the wireless circuit 3 equal to n times the superframe. In the same way as described in the second embodiment, the number of operations per unit time of the radio circuit 3 can be changed according to the situation, Therefore, power consumption can be reduced.
[0031]
(Other embodiments)
The present invention is not limited to the above-described embodiments, and can be modified or expanded as follows.
The wireless communication system is not limited to the mobile phone system, but may be any other one as long as it transmits a call signal standardized by the Japan Radio Industry Association in the communication network.
[Brief description of the drawings]
FIG. 1 is a time chart showing a first embodiment of the present invention. FIG. 2 is a diagram schematically showing the overall configuration. FIG. 3 is a time chart showing a second embodiment of the invention. FIG. 5 is a time chart showing a fourth embodiment of the present invention. FIG. 6 is a time chart showing a conventional example.
In the drawings, 1 is a mobile phone terminal (wireless communication terminal), 2 is a CPU (control means), 3 is a wireless circuit (wireless means), and 10 is a mobile phone network (communication network).

Claims (5)

In a wireless communication system comprising a wireless communication terminal comprising a wireless means for detecting a call signal transmitted by a communication network and a control means for performing an incoming call operation according to a result of detection of the call signal by the wireless means.
The communication network transmits a paging signal in units of frames equal to n (n is a natural number of 2 or more) times the superframe, and retransmits the same paging signal m (m is a natural number) times ,
The control means of the wireless communication terminal operates the wireless means by following the timing of the super frame over a time equivalent to n times the super frame, and equalizes the wireless means to (n × m) times the super frame. wireless communication system according to claim Rukoto is deactivated over time. The communication network has a transmission pattern for transmitting a call signal in units of superframes, and a transmission pattern for transmitting a call signal in units of frames equivalent to n times the superframe and retransmitting the same call signal m times. The wireless communication system according to claim 1, wherein the wireless communication system is switchable. The control means of the wireless communication terminal causes the wireless means to transmit a message notifying that the predetermined operation has been performed to the communication network in response to the predetermined operation being performed,
In response to receiving the message from a wireless communication terminal, the communication network transmits a transmission pattern for transmitting a paging signal in units of superframes and a frame in which the paging signal is equivalent to n times the superframe. The radio communication system according to claim 2, wherein a transmission pattern for resending the same paging signal m times is switched. The control means of the wireless communication terminal causes the wireless means to transmit a message to the communication network by notifying that the predetermined time / predetermined time has been measured in response to measuring the predetermined time / predetermined time,
In response to receiving the message from a wireless communication terminal, the communication network transmits a transmission pattern for transmitting a paging signal in units of superframes and a frame in which the paging signal is equivalent to n times the superframe. The radio communication system according to claim 2, wherein a transmission pattern for resending the same paging signal m times is switched. In response to the movement speed being a predetermined speed, the control means of the wireless communication terminal causes the wireless means to transmit a message notifying that the movement speed is a predetermined speed to the communication network,
In response to receiving the message from a wireless communication terminal, the communication network transmits a transmission pattern for transmitting a paging signal in units of superframes and a frame in which the paging signal is equivalent to n times the superframe. The radio communication system according to claim 2, wherein a transmission pattern for resending the same paging signal m times is switched.

Images