KR101521891B1 - Apparatus and method for reducing decoding overhead of paging massage in wireless communicaion system - Google Patents

Abstract

The present invention relates to an apparatus and method for reducing the decoding overhead of a paging message in a wireless communication system. A method for receiving a paging message in a wireless communication system according to the present invention includes receiving a superframe header channel from a base station in a paging listening interval, decoding the received superframe header channel, And receiving a paging message from the base station using the obtained resource allocation information.

Idle mode, paging message, burst allocation information, secondary-superframe header (S-SFH)

Description

[0001] APPARATUS AND METHOD FOR REDUCING DECODING OVERHEAD OF PAGING MASSAGE IN WIRELESS COMMUNICATION SYSTEM [0002]

The present invention relates to an apparatus and method for reducing a decoding overhead of a paging message in a wireless communication system, and more particularly, to an apparatus and method for enabling a terminal in an idle mode to receive a paging message without decoding a MAP IE And methods.

In the 4th Generation (4G) communication system, which is a next generation communication system, providing services having various Quality of Service (QoS) with a transmission rate of about 100 Mbps to users Active research is underway. In particular, in the current 4G communication system, broadband wireless access (hereinafter, referred to as " LAN ") systems such as a wireless local area network (LAN) system and a metropolitan area network (IEEE 802.16 communication system), which is a typical communication system, has been actively conducted to support a high-speed service in a form of ensuring mobility and QoS in a wireless access (BWA) communication system. to be.

According to the IEEE 802.16 communication system standard, when there is no traffic to be transmitted / received for a predetermined time, the mobile station operates in an idle mode to minimize power consumption. That is, when there is no traffic to be transmitted / received, the UE transmits a De-Registration Request (DREG-REQ) message to the serving BS that is currently performing communication in order to operate in the idle mode. Quot;) message to request an idle mode transition operation. At this time, the serving BS receiving the DREG-REQ message transmits a de-registration command (DREG-CMD) message to the MS to permit the transition to the idle mode.

The DREG-CMD message includes a paging information TLV (Type / Length / Value) field. The paging information TLV field includes a paging group identifier, a paging cycle, and a paging offset parameter.

Also, a terminal operating in an idle mode determines a paging listening interval using the paging period parameter and the paging offset parameter, and the terminal performs an operation of listening to a paging message in the paging listening interval. The paging message includes information for determining whether the mobile station should maintain the idle mode.

Currently, the idle mode operation procedure is defined in the IEEE 802.16e standard, and the idle mode operation procedure defined in the IEEE 802.16e standard is applicable to the IEEE 802.16m system, which is an evolved version of the IEEE 802.16e system.

Hereinafter, a method for receiving a paging message in an idle mode in the IEEE 802.16m system will be described.

First, after entering the idle mode, the UE determines a transition time to a paging listening interval using the paging cycle and the paging offset parameter allocated to the UE. At the determined paging listening interval transition time, the UE receives a preamble transmitted by the base station and acquires synchronization with the base station.

Then, the terminal decodes a MAP IE transmitted in a subframe of the paging frame to receive a paging message in the paging frame. Herein, the paging frame of the terminal is a frame in which the terminal receives the paging message in the paging listening interval, and is predetermined when the terminal starts the idle mode operation. Also, the MAP IE includes the paging message burst allocation information, i.e., the start position of the burst of the paging message and the size information of the burst. The subframe in which the MAP IE is transmitted corresponds to the first subframe or the second subframe of the paging frame, and information on the subframe in which the MAP IE is transmitted can be acquired in advance. Then, the terminal decoding the MAP IE receives the paging message at a location indicated in the MAP IE.

As described above, in order to receive the paging message, the UE operating in the idle mode must decode the MAP IE. In this case, in the IEEE 802.16m system, an individual encoding scheme is applied to each MAP IE, that is, independent encoding is applied to each UE. Therefore, in order to receive the paging message transmitted to the UE, You should try to decode all the map IEs in the frame. In this case, the terminal does not have information on how many map IEs are included in the subframe and does not have information on whether the MAP IE for the paging message is transmitted in the subframe, The MAP IE decoding overhead due to the decoding of each MAP IE included in the subframe until the MAP IE for the paging message is decoded on the assumption that the MAP IE for the paging message is to be transmitted, .

Also, if the MAP IE for the paging message is not found as a result of a decoding attempt on the MAP IE included in the subframe, the terminal can conclude that a paging message is not transmitted in the subframe. This may correspond to a case where the paging message is not transmitted in the subframe, but may actually correspond to a case where the terminal fails to decode the MAP IE itself for the paging message.

The present invention has been proposed in order to solve the above problems and has been proposed in order to reduce a decoding overhead for receiving a paging message.

It is an object of the present invention to provide an apparatus and a method for reducing a decoding overhead of a paging message in a wireless communication system.

It is another object of the present invention to provide an apparatus and a method for a terminal in an idle mode in a wireless communication system to receive a paging message without decoding a MAP IE.

Another object of the present invention is to provide a method and apparatus for a mobile communication system in which a UE in an idle mode does not need to attempt to decode all MAP IEs in a subframe, that is, obtains resource allocation information for decoding a burst of a paging message without using the MAP IE And to provide a method and an apparatus for the same.

According to one aspect of the present invention, a method for receiving a paging message from a terminal in a wireless communication system includes receiving a superframe header channel from a base station in a paging listening interval, Decoding the header channel to obtain resource allocation information of a paging message, and receiving a paging message from the base station using the obtained resource allocation information.

According to an aspect of the present invention, there is provided a method for transmitting a paging message in a wireless communication system, the method comprising the steps of: receiving a paging message from an S-SFH And transmitting a superframe header channel including the set S-SFH channel to the UE.

According to another aspect of the present invention, there is provided an apparatus for receiving a paging message in a wireless communication system, the apparatus including: a receiving unit for receiving a superframe header channel from a base station in a paging listening interval; And a paging message receiver for receiving the paging message transmitted from the base station using the obtained resource allocation information.

According to an aspect of the present invention, there is provided an apparatus for transmitting a paging message to a base station in a wireless communication system, the apparatus comprising: a S-SFH And a coder for transmitting a super frame header channel including the set S-SFH channel to the UE.

As described above, the present invention has an advantage in that the MAP IE decoding overhead can be reduced by allowing the UE in the idle mode in the wireless communication system to receive the paging message without decoding the MAP IE.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Hereinafter, an apparatus and method for receiving a paging message without decoding a MAP IE in an idle mode in a wireless communication system will be described.

Here, the wireless communication system will be described by taking an IEEE 802.16m system as an example, but it goes without saying that the present invention is applicable to all systems in which an idle mode terminal requiring reception of a paging message exists.

The present invention proposes a paging information broadcast channel including resource allocation information for decoding a burst of a paging message. The paging information broadcast channel proposed in the present invention includes resource allocation information of the paging message in addition to control information (for example, paging group identifier information or frame paging indicator information) for supporting a paging operation, Table 1]. As described in the present invention, when resource allocation information of the paging message is provided to the paging information broadcasting channel, the terminal does not need to separately decode the MAP IE transmitted in the subframe of the paging frame.

Field you description Paging group identifier TBD Paging group identifier managed by the base station Paging indicator for the frame 4bits Indicator indicating whether a paging message is transmitted in each frame of the current superframe Loop (N = paging indicator for frame is 1) { The following information is transmitted only for the frame in which the paging message is transmitted:  Sub-frame number to which the paging message is sent TBD An optional field that indicates the subframe in which the paging message begins to be transmitted.  The burst assignment information (resource assignment info) TBD And informs the burst information of the paging message in the corresponding subframe. (Starting position and burst size information)  Long TTI 1bit Tells if the paging message is still being sent in the next subframe.  }

Here, as shown in Table 1, the paging information broadcast channel may include paging group identifier information for identifying a paging group to which the BS belongs. The paging group identifier information may be transmitted using a broadcast channel or another signal rather than the paging information broadcast channel. In addition, the paging information broadcasting channel may include paging indicator information for a frame as an indicator for informing whether or not a paging message is transmitted in each frame in the corresponding super frame. When the paging indicator information for the frame is set to indicate that a paging message is transmitted in at least one frame (for example, it can indicate that a paging message is transmitted in at least one frame by setting it to '1') , The paging information broadcast channel includes resource allocation information of a paging message transmitted in each frame. Wherein the resource allocation information of the paging message includes a subframe number in which a paging message is transmitted to notify from which subframe of the frame the paging message is transmitted and an allocation allocated to a burst of the paging message in the subframe Area information. Here, the subframe number to which the paging message is transmitted is an optional field, and the subframe may be arbitrarily allocated or fixed, and the allocated area information may include at least one of a start position of the paging message burst, It contains information about the size. In addition, when the paging message can not be transmitted in all of the subframe including a large amount of information or the paging message should be transmitted over several subframes due to scheduling of the base station, Information may include Long TTI (Transmission Time Interval) information indicating that the paging message is continuously transmitted in the starting subframe and subsequent consecutive subframes.

Here, when the paging group identifier and the paging indicator for the frame are combined, the paging information broadcasting channel may include a paging indicator for the frame and resource allocation information for the paging message for each paging group identifier have.

1 is a diagram illustrating a frame structure of an IEEE 802.16m system according to the present invention.

Referring to FIG. 1, each super frame 100 in the IEEE 802.16m frame structure is composed of four frames 102, and four frames 102 each include eight subframes A subframe 104). The first subframe 104 of each super frame 100 is a super frame header and includes a PREAMBLE 106, a Primary-Superframe Header (P-SFH) channel 108, an S-SFH Channel 110 is transmitted. The P-SFH channel 108 includes essential system information required for communication between the UE and the BS. In addition, the P-SFH channel 108 includes information necessary to decode the S-SFH channel 110. The S-SFH channel 110 includes remaining system information if necessary.

A resource is allocated to the preamble 106, the P-SFH channel 108 and the S-SFH channel 110 among the resources allocated to the first subframe 104 of the super frame 100, , It can be used to transmit a Unicast service control channel (USCCH), that is, a MAP IE or a data transmission channel (112). The remaining subframes may be used for USCCH or data transmission channel 114.

The paging information broadcast channel proposed in the present invention may be transmitted as part of the P-SFH or S-SFH channel 110 or may be transmitted as a super channel including the P-SFH channel 108 and the S- The frame header can be transmitted as a separate channel in the same subframe as the subframe in which the frame header is transmitted or in the next subframe.

2 is a flowchart illustrating a procedure of a method for a mobile station in an idle mode to receive a paging message using a paging information broadcasting channel in a wireless communication system according to a first embodiment of the present invention. Here, FIG. 2 illustrates a case where a paging information broadcast channel is transmitted as a part of an S-SFH channel.

Referring to FIG. 2, the UE enters an idle mode in step 201, and proceeds to step 203 to check whether it is a transition time from a paging unavailable interval to a paging listening interval . Here, a transition time to the paging listening interval is determined by a paging cycle and a paging offset parameter allocated to the UE through a DREG-CMD message.

If it is determined in step 203 that it is not the time to transition to the paging listening interval, the terminal performs the idle mode operation while staying in the paging non-listening interval, and returns to step 203 to repeat the following steps.

On the other hand, if it is determined in step 203 that a transition to the paging listening interval is required, the terminal receives the preamble transmitted by the base station in step 205, and acquires synchronization with the base station using the received preamble do.

In step 207, the MS receives and decodes the P-SFH channel transmitted by the BS to obtain necessary system information necessary for communication between the MS and the BS. At this time, the UE obtains information necessary for decoding the S-SFH channel through decoding of the P-SFH channel.

In step 209, the MS receives an S-SFH channel transmitted by the BS. Here, the S-SFH channel may be a paging information broadcast channel proposed in the present invention, and in this case, includes paging control information.

Then, in step 211, the UE decodes the paging control information in the received S-SFH channel to obtain control information for supporting the paging operation. That is, the paging group identifier information and the paging indicator information for the frame are obtained. Herein, the paging indicator information for the frame indicates whether or not a paging message is transmitted in the paging frame of the UE. When a paging message is transmitted in the paging frame of the UE, the S-SFH channel is allocated to the paging frame And the resource allocation information of the paging message to be transmitted. Herein, the paging frame of the terminal is a frame in which the terminal receives the paging message in the paging listening interval, and is predetermined when the terminal starts the idle mode operation.

In step 213, the MS checks the paging indicator for the frame and determines whether the paging message is transmitted in the paging frame set in the MS. That is, it is checked whether or not the paging indicator for the frame is set to be present.

If it is determined in step 213 that the paging indicator for the frame is not set as a result of the paging indicator check and the paging message is not transmitted in the paging frame of the terminal, the terminal returns to step 203, The idle mode operation is performed while repeating the following steps.

On the other hand, if it is determined in step 213 that the paging indicator for the frame is set as a result of the paging indicator check and the paging message is transmitted in the paging frame of the terminal, the terminal proceeds to step 215, And obtains resource allocation information for decoding the burst of the paging message by decoding the resource allocation information of the paging message in the SFH channel. For example, a subframe number in which a paging message is transmitted and an allocation region information allocated to a burst of the paging message in the subframe are obtained to inform which subframe of the paging frame the paging message is transmitted. do.

In step 217, the UE receives a paging message by decoding resources allocated to the paging message, i.e., a burst, in a subframe in which the paging message is transmitted according to the obtained resource allocation information.

FIG. 2 illustrates a case in which paging control information is included in an S-SFH channel, but the present invention is similarly applicable to a case in which paging control information is included in a P-SFH channel and transmitted.

That is, if the paging control information is included in the P-SFH channel, the P-SFH channel is received in step 207 and step 209 is omitted. In step 211, paging control information is decoded from the P-SFH channel instead of the S- . If the paging indicator is set in step 213, the process proceeds to step 215, where the resource allocation information is decoded in the P-SFH channel.

In the following drawings, when the paging control information is transmitted using the P-SFH channel, the operation of replacing the S-SFH channel with the P-SFH channel and receiving it can be inferred with reference to FIG.

3 is a flowchart illustrating a procedure of a method for transmitting a paging message using a paging information broadcast channel to a terminal in a idle mode in a wireless communication system according to the first embodiment of the present invention. Here, the case where the paging information broadcast channel is transmitted as a part of the S-SFH channel will be described with reference to FIG.

Referring to FIG. 3, in step 301, the BS determines whether a UE corresponding to a paging listening interval exists in a super frame. Herein, the base station can receive information on the paging listening interval of the terminal from the upper control station, and can check whether there is a terminal corresponding to the paging listening interval in the super frame using the information.

In step 301, when there is no terminal corresponding to a paging listening interval in the super frame, the BS terminates the algorithm according to the present invention.

On the other hand, if there is a terminal corresponding to a paging listening interval in the super frame in step 301, the base station checks whether there is a terminal to receive a paging message in at least one frame of the super frame in step 303 do.

In step 303, if there is no terminal to receive a paging message in any frame of the super frame, the BS sets all paging directives for the frame to none in step 305, and sets paging control information The S-SFH channel is set to include the paging group identifier information and the paging indicator information for the frame set as described above. In step 309, the BS transmits a super frame header including a preamble, a P-SCH channel, and the S-SCH channel to the MS.

On the other hand, if it is determined in step 303 that there is a terminal to receive a paging message in at least one frame of the super frame, the base station sets a paging indicator for the corresponding frame in step 311. Then, in step 313, the BS determines a subframe in which to start transmission of the paging message in the paging frame of the MS, and determines an area to allocate a burst of the paging message in the subframe. In step 315, the base station transmits paging control information (i.e., paging group identifier information and paging indicator information for the frame set as described above) and resource allocation information for decoding bursts of the paging message A subframe number in which a paging message is transmitted and an allocation region information allocated to a burst of the paging message in the subframe, to inform which of the subframes of the paging message is transmitted, Setting. In step 309, the BS transmits a superframe header including a preamble, a P-SCH channel, and the S-SCH channel to the MS.

Thereafter, although not shown, the BS transmits the paging message to the MS using the resource indicated in the resource allocation information of the paging message.

2 and 3, a paging information broadcast channel proposed by the present invention is transmitted as a part of an S-SFH channel. However, the paging information broadcast channel may be transmitted separately from the S-SFH channel have. That is, the superframe header including the P-SFH channel and the S-SFH channel may be transmitted in the same subframe as the subframe in which the transmitted subframe is transmitted, or as a separate channel in the next subframe. In the case where the paging information broadcast channel is separately transmitted, whether to receive the S-SFH channel in the paging listening interval includes whether or not the terminal already has the system information provided by the S-SFH channel Can be determined accordingly.

4 is a flowchart illustrating a procedure of a method for a mobile station in an idle mode to receive a paging message using a paging information broadcast channel in a wireless communication system according to a second embodiment of the present invention. Here, FIG. 4 illustrates a case where a paging information broadcast channel is transmitted separately from an S-SFH channel.

Referring to FIG. 4, the mobile station enters an idle mode in step 401, and proceeds to step 403 to check whether it is a transition time from a paging unavailable interval to a paging listening interval . Here, a transition time to the paging listening interval is determined by a paging cycle and a paging offset parameter allocated to the UE through a DREG-CMD message.

If it is determined in step 403 that it is not a time to transition to the paging listening interval, the terminal returns to step 403 to perform the idle mode operation while staying in the paging non-listening interval, and repeats the following steps.

On the other hand, if it is determined in step 403 that a transition to the paging listening interval is required, the terminal receives the preamble transmitted by the base station in step 405, and acquires synchronization with the base station using the received preamble do.

In step 407, the terminal receives and decodes the P-SFH channel transmitted by the base station to acquire essential system information necessary for communication between the terminal and the base station. At this time, the UE obtains information necessary for decoding the S-SFH channel through decoding of the P-SFH channel.

In step 409, the MS determines whether system information that can be obtained upon receipt of the S-SFH channel already exists. Here, the system information obtainable by the reception of the S-SFH channel means remaining system information necessary for communication between the terminal and the base station.

In step 409, if the system information that can be obtained by the reception of the S-SFH channel already exists, the terminal directly proceeds to step 413.

On the other hand, if there is no system information available in the reception of the S-SFH channel in step 409, the terminal receives the S-SFH channel transmitted by the base station in step 411, And obtains the remaining necessary system information. In step 413, the MS receives a separate paging information broadcast channel transmitted by the BS, decodes paging control information in the received separate paging information broadcast channel, and provides control information for supporting a paging operation . That is, the paging group identifier information and the paging indicator information for the frame are obtained. Herein, the paging indicator information for the frame indicates whether a paging message is transmitted in the paging frame of the terminal, and when a paging message is transmitted in the paging frame of the terminal, the paging information broadcasting channel includes paging information And the resource allocation information of the paging message transmitted in the frame. Herein, the paging frame of the terminal is a frame in which the terminal receives the paging message in the paging listening interval, and is predetermined when the terminal starts the idle mode operation.

In step 415, the terminal is set to have paging indicator information for the frame, and checks whether the paging message is transmitted in the paging frame of the terminal.

If it is determined in step 415 that the paging indicator information for the frame is set to No and the paging message is not transmitted in the paging frame of the terminal, the terminal returns to step 403 and remains in the paging non- Mode operation and repeats the following steps.

On the other hand, if it is determined in step 415 that the paging indicator information for the frame is set to indicate that the paging message is to be transmitted in the paging frame of the terminal, the terminal proceeds to step 417, And obtains resource allocation information for decoding bursts of the paging message by decoding the resource allocation information of the message. That is, a subframe number in which a paging message is transmitted and allocation region information allocated to a burst of the paging message in the subframe are acquired to notify which subframe of the paging frame the paging message is transmitted .

In step 419, the UE receives a paging message by decoding resources allocated to the paging message, i.e., a burst, in a subframe in which the paging message is transmitted according to the obtained resource allocation information.

5 is a flowchart illustrating a procedure of a method for transmitting a paging message using a paging information broadcast channel to a terminal in a idle mode in a wireless communication system according to a second embodiment of the present invention. Here, FIG. 5 illustrates a case where a paging information broadcast channel is transmitted separately from an S-SFH channel.

Referring to FIG. 5, in step 501, the BS determines whether a UE corresponding to a paging listening interval exists in a super frame. Herein, the base station can receive information on the paging listening interval of the terminal from the upper control station, and can check whether there is a terminal corresponding to the paging listening interval in the super frame using the information.

In step 501, when there is no terminal corresponding to a paging listening interval in the super frame, the base station ends the algorithm according to the present invention.

On the other hand, if there is a terminal corresponding to a paging listening interval in the super frame in step 501, the base station checks whether there is a terminal to receive a paging message in at least one frame of the super frame in step 503 do.

In step 503, if there is no terminal to receive a paging message in any frame of the super frame, the BS sets all paging directives for the frame to none in step 505, and sets paging control information A separate paging information broadcast channel is set up to include the paging group identifier information and the paging indicator information for the frame set as described above. In step 509, the BS transmits a super frame header including a preamble, a P-SCH channel, an S-SCH channel, and the paging information broadcast channel to the MS.

On the other hand, if it is determined in step 503 that there is a mobile station to receive a paging message in at least one frame of the super frame, the base station sets a paging indicator for the corresponding frame in step 511. In step 513, the BS determines a subframe in which to start transmission of the paging message in the paging frame of the MS, and determines an area to which a burst of the paging message is allocated in the subframe. In step 515, the BS transmits paging control information (i.e., paging group ID information and paging indicator information for the frame set as described above) and resource allocation information for decoding a burst of the paging message A subframe number in which a paging message is transmitted, and an allocation region information allocated to a burst of the paging message in the subframe, to indicate which paging message is to be transmitted, Set the channel. In step 509, the BS transmits a super frame header including a preamble, a P-SCH channel, an S-SCH channel, and the paging information broadcast channel to the MS.

Thereafter, although not shown, the BS transmits the paging message to the MS using the resource indicated in the resource allocation information of the paging message.

6 is a block diagram illustrating the configuration of a base station and a terminal in a wireless communication system according to the present invention.

As shown, the base station includes a paging message transmitter 600, a code and modulator 602, an Orthogonal Frequency Division Multiplexing (OFDM) modulator 604, a digital to analog converter (DAC) 606, (OFDMA) demodulator 614, a demodulator and decoder 616, and a paging message receiver 618. The RF processor 610, the analog-to-digital converter (ADC) .

Referring to FIG. 6, the paging message transmitter 600 determines whether there is a terminal to receive a paging message in a paging frame if a terminal corresponding to a paging listening interval exists in a super frame. Transmits a paging information broadcast channel including paging control information and resource allocation information for decoding a burst of the paging message to the mobile station by controlling the overall operation of the base station and then transmitting the paging message to the mobile station .

The code and modulator 602 codes and modulates information data from the paging message transmitter 600 according to a predetermined modulation level (e.g., an MCS (Modulation and Coding Scheme) level).

The OFDM modulator 604 OFDM-modulates data in the frequency domain from the code and modulator 602 and outputs time sample data (OFDM symbol). Here, the OFDM modulation includes an IFFT (Inverse Fast Fourier Transform) operation, a CP (Cyclic Prefix) insertion, and the like.

The DAC 606 converts the time sample data from the OFDM modulator 604 into an analog signal and outputs it.

The RF processor 608 converts an analog signal from the DAC 606 into an RF signal and transmits the RF signal through an antenna.

Next, the configuration of the UE will be described. The RF processor 610 converts an RF signal received through an antenna into a baseband analog signal and outputs the baseband analog signal.

The ADC 612 converts the analog signal from the RF processor 610 into time sample data and outputs the time sample data.

The OFDM demodulator 614 OFDM demodulates the time sample data from the ADC 612 and outputs data in the frequency domain. Here, the OFDM demodulation includes CP removal, fast Fourier transform (FFT), and the like.

The demodulator and decoder 616 selects data of subcarriers to be actually received from data in the frequency domain from the OFDM demodulator 614 and demodulates the selected data according to a predetermined demodulation level (e.g., MCS level) And outputs it to the paging message receiver 618.

The paging message receiver 618 controls the overall operation of the UE to receive a paging information broadcast channel including resource allocation information for decoding paging control information and a burst of a paging message from the base station during a paging listening interval, And receives a paging message from the base station using resource allocation information for decoding a burst of the received paging control information and the paging message.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of various modifications within the scope of the invention. Therefore, the scope of the present invention should not be limited by the illustrated embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

1 is a diagram illustrating a frame structure of an IEEE 802.16m system according to the present invention,

FIG. 2 is a flowchart illustrating a procedure of a method for a mobile station in an idle mode to receive a paging message using a paging information broadcast channel in a wireless communication system according to a first embodiment of the present invention.

3 is a flowchart illustrating a procedure of a method for transmitting a paging message using a paging information broadcast channel to a terminal in a idle mode in a wireless communication system according to a first embodiment of the present invention.

FIG. 4 is a flowchart illustrating a procedure of a method for receiving a paging message using a paging information broadcast channel by a UE in an idle mode in a wireless communication system according to a second embodiment of the present invention.

5 is a flowchart illustrating a procedure of a method for transmitting a paging message using a paging information broadcast channel to a terminal in an idle mode in a wireless communication system according to a second embodiment of the present invention;

FIG. 6 is a block diagram showing a configuration of a base station and a terminal in a wireless communication system according to the present invention; FIG.

Claims (28)

A method for a terminal to receive a paging message in a wireless communication system, Receiving a superframe header from a base station in a paging listening interval, Decoding at least one of a Primary-Superframe Header (P-SFH) and a Secondary-Superframe Header (S-SFH) included in the received superframe header to obtain paging message resource allocation information; And receiving a paging message from a base station using the obtained resource allocation information. The method of claim 1, wherein the resource allocation information of the paging message includes: A number of a subframe in which the paging message is transmitted in a frame in which the paging message is transmitted, a start position of a burst of the paging message in the subframe, information on a burst size of the paging message, And information indicating that the paging message is continuously transmitted in the frame. The method of claim 1, further comprising: prior to receiving the superframe header, And receiving a preamble from the base station. The method of claim 1, further comprising: prior to acquiring resource allocation information of the paging message, SFH, and S-SFH included in the received super frame header to determine whether the paging message to be transmitted is transmitted in each frame of the super frame, information for identifying the paging group to which the base station belongs, And acquiring at least one of the indicator information for instructing the mobile terminal. The method of claim 4, wherein the step of acquiring resource allocation information of the paging message comprises: And when the indicator information indicates that a paging message is to be transmitted in the corresponding paging frame. The method of claim 1, wherein the resource allocation information of the paging message includes: Receiving the superframe header and obtaining or acquiring the superframe header, or acquiring and receiving a separate channel in the same subframe as the subframe in which the superframe header is transmitted, or acquiring and receiving a separate channel in the next subframe. The method according to claim 6, Checking whether the system information that can be acquired upon receipt of the superframe header if the resource allocation information of the paging message is received and acquired on a separate channel; And receiving the superframe header if the superframe header does not have system information that can be obtained upon receipt of the superframe header. delete A method for a base station to transmit a paging message in a wireless communication system, Setting at least one of a Primary-Superframe Header (P-SFH) and a Secondary-Superframe Header (S-SFH) to include resource allocation information of the paging message in a paging listening interval of a terminal; And transmitting the superframe header including at least one of the P-SFH and the S-SFH to the terminal. 10. The method of claim 9, wherein the resource allocation information of the paging message includes: A number of a subframe in which the paging message is transmitted in a frame in which the paging message is transmitted, a start position of a burst of the paging message in the subframe, information on a burst size of the paging message, And information indicating that the paging message is continuously transmitted in the frame. 10. The method of claim 9, Wherein the superframe header includes at least one of a preamble, a Primary-Superframe Header (P-SFH), and an S-SFH. 10. The method of claim 9, The S-SFH includes at least one of resource allocation information of the paging message, information for identifying a paging group to which the base station belongs, and indicator information for indicating whether a paging message is transmitted in each frame of a super frame ≪ / RTI > 13. The method of claim 12, Checking whether a terminal corresponding to a paging listening interval exists in a super frame, Checking whether there is a terminal to receive a paging message in at least one frame when there is a terminal corresponding to the paging listening interval; Further comprising the step of setting the indicator information indicating whether or not to transmit a paging message in the paging frame according to the presence or absence of the terminal to receive the paging message. 10. The method of claim 9, wherein the resource allocation information of the paging message includes: The P-SFH, and the S-SFH, or may be set to be included in a separate channel in the same subframe as the subframe in which the superframe header is transmitted, or included in a separate channel in the next subframe . ≪ / RTI > An apparatus for receiving a paging message in a wireless communication system, Receiving a superframe header from a base station in a paging listening interval and allocating a resource allocation of a paging message from at least one of a primary superframe header (P-SFH) and a secondary superframe header (S-SFH) included in the received superframe header A decoder for obtaining information, And a paging message receiver for receiving the paging message transmitted from the base station using the obtained resource allocation information. 16. The method of claim 15, wherein the resource allocation information of the paging message includes: A number of a subframe in which the paging message is transmitted in a frame in which the paging message is transmitted, a start position of a burst of the paging message in the subframe, information on a burst size of the paging message, And information indicating that the paging message is continuously transmitted in the frame. 16. The apparatus of claim 15, And receives a preamble from the base station before receiving the superframe header. 16. The apparatus of claim 15, Information for identifying a paging group to which the base station belongs, information indicating whether the paging message is transmitted in each frame of the superframe, among the indicator information To obtain at least one. The apparatus as claimed in claim 18, And acquires resource allocation information of the paging message when the indicator information indicates that a paging message is transmitted in the corresponding paging frame. 16. The method of claim 15, wherein the resource allocation information of the paging message includes: And receiving or acquiring the superframe header or receiving or acquiring a separate channel in the same subframe as the subframe in which the superframe header is transmitted or receiving and acquiring a separate channel in the next subframe. 21. The method of claim 20, In the case of acquiring and receiving the resource allocation information of the paging message on a separate channel, the decoder checks whether system information that can be acquired upon receipt of the superframe header has already been received, and receives the superframe header If the superframe header does not have system information that can be obtained according to the superframe header. delete An apparatus for transmitting a paging message from a base station in a wireless communication system, A paging message transmitter for setting at least one of a Primary-Superframe Header (P-SFH) and a Secondary-Superframe Header (S-SFH) to include resource allocation information of the paging message in a paging listening interval of the terminal; And an encoder for transmitting a super frame header including at least one of the P-SFH and the S-SFH to the terminal. 24. The method of claim 23, wherein the resource allocation information of the paging message includes: A number of a subframe in which the paging message is transmitted in a frame in which the paging message is transmitted, a start position of a burst of the paging message in the subframe, information on a burst size of the paging message, And information indicating that the paging message is continuously transmitted in the frame. 24. The method of claim 23, Wherein the superframe header comprises at least one of a preamble, the P-SFH, and the S-SFH. 24. The method of claim 23, The S-SFH includes at least one of resource allocation information of the paging message, information for identifying a paging group to which the base station belongs, and indicator information for indicating whether a paging message is transmitted in each frame of a super frame Lt; / RTI > 27. The method of claim 26, wherein the paging message transmitter comprises: Checking whether or not a terminal corresponding to a paging listening interval exists in a superframe, checking whether there is a terminal to receive a paging message in at least one frame when there is a terminal corresponding to the paging listening interval, And sets the indicator information indicating whether or not to transmit a paging message in the corresponding paging frame according to whether or not the terminal to receive the paging message exists. 24. The method of claim 23, wherein the resource allocation information of the paging message includes: The P-SFH, and the S-SFH, or may be set to be included in a separate channel in the same subframe as the subframe in which the superframe header is transmitted, or included in a separate channel in the next subframe Is set.

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