WO2010022577A1 - 控制信息的发送方法和接收终端 - Google Patents
控制信息的发送方法和接收终端 Download PDFInfo
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- WO2010022577A1 WO2010022577A1 PCT/CN2008/073898 CN2008073898W WO2010022577A1 WO 2010022577 A1 WO2010022577 A1 WO 2010022577A1 CN 2008073898 W CN2008073898 W CN 2008073898W WO 2010022577 A1 WO2010022577 A1 WO 2010022577A1
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- WIPO (PCT)
- Prior art keywords
- subframe
- control information
- downlink
- downlink subframe
- information
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to the field of communications, and in particular to a method for transmitting control information and a receiving terminal.
- OFDM Orthogonal Frequency Division Multiplexing
- OFDM technology can convert a high-speed data stream into a low-speed parallel data stream, thereby reducing the system's sensitivity to multipath fading channel frequency selectivity.
- OFDM technology By introducing a cyclic prefix in OFDM technology, the ability of OFDM technology to resist intersymbol interference can be further enhanced.
- OFDM technology has become more and more widely used in the field of wireless communication due to its high bandwidth utilization and simple implementation.
- the Orthogonal Frequency Division Multiple Access (OFDMA)-based Worldwide Interoperability for Microwave Access (WiMAX) system is a system using OFDM technology.
- OFDM Orthogonal Frequency Division Multiple Access
- WiMAX Worldwide Interoperability for Microwave Access
- the mobile WiMAX system based on the IEEE802.16e air interface standard can not meet the user's demand for high transmission rate, high throughput, fast movement and delay of broadband mobile communication.
- the Task Group m (TGm) of the IEEE 802.16 working group is working on an improved air interface specification, 802.16m, which can support higher peak rates and higher frequency efficiency. And sector capacity.
- the design of the current 16m frame structure mainly considers the three-layer design idea of superframe, unit frame and subframe.
- the structure of the three-layer design can be referred to FIG.
- superframe 101 The length is 20ms, which is composed of four 5ms unit frames 102.
- the superframe control information 103 is located on several symbols at the beginning of the superframe, the unit frame 102 is composed of 8 subframes 104, and the subframe 104 is divided into downlink subframes and
- the uplink subframe can be configured according to the system, and the subframe 104 is composed of 6 OFDM symbols 105.
- the 16m terminal cannot obtain the setting information of the control information in the unit frame in advance, so that the 16m terminal needs to enable all radio frequency transmissions to obtain when receiving the unit frame.
- Control information in the unit frame which increases the power consumption of the 16m terminal.
- the 16m terminal cannot obtain the setting information of the control information in the unit frame in advance, so that the 16m terminal needs to enable all radio frequency transmissions to obtain the control information in the unit frame when receiving the unit frame, thereby causing the control information in the unit frame.
- the present invention has been made in view of the problem of excessive power consumption of a 16m terminal.
- a method for transmitting control information comprising: notifying a terminal of control information of setting information in a downlink subframe; and controlling information in a predetermined subframe and other subframes determined according to the setting information Send to the terminal. And the one of the following manners of notifying the setting information of the terminal control information in the downlink subframe: notifying the setting information of the terminal control information in the downlink subframe in the form of sending the message; and notifying the terminal control information in the form of setting the default value in the terminal in advance Setting information in the downlink subframe.
- the predetermined subframe is the first 16m downlink subframe after the uplink/downlink transition point.
- the predetermined subframe is the first 16m downlink subframe in the unit frame; for the unit frame of the 4 transition point, the predetermined subframe is the first 16m downlink subframe in the unit frame And the first 16m downlink subframe after the uplink/downlink transition point.
- the setting information is a subframe interval, and the subframe interval is 1, 2, 3, or 4 subframes, and the P ⁇ is set according to the uplink/downlink subframe ratio and the subframe configuration information in the unit frame. .
- the control information sent in the Nth downlink subframe includes information about the Nth (M - 1) downlink subframes of the Nth downlink subframe and the N+1th downlink subframe, where N is greater than or equal to An integer of 1, M is the subframe interval.
- the setting information is a subframe bitmap. Specifically, the length of the subframe bitmap is determined according to the downlink/uplink subframe ratio and the 16m/16e subframe configuration information. For a unit frame of 2 transition points, the length of the subframe bitmap is the number of downlink 16m subframes in the unit frame minus 1; for the unit frame of the 4 transition point, the length of the subframe bitmap is 16m downstream in the unit frame. The number of subframes is reduced by 2.
- the sub-frame bitmap is set as follows: except for the first downlink sub-frame, the corresponding bitmap bit is set to 1 for the downlink sub-frame including the control information, and the downlink sub-frame does not include the control information. And set the corresponding bitmap bit to 0; or, for the downlink subframe containing the control information, set its corresponding bitmap bit to 0, and for the downlink subframe that does not contain the control information, the corresponding bitmap The bit is set to 1.
- the control information sent in the Nth downlink subframe includes information about an Nth downlink subframe and an N+1th downlink subframe N+L downlink subframe, where N is greater than or equal to An integer of 1, L is the number of bitmap bits 0 between bitmap bit 1 and the next bitmap bit 1 corresponding to the Nth downlink subframe.
- the control information sent in the Nth downlink subframe includes related information of the Nth downlink subframe; and for the unit frame of the 2 transition point, the control information included in the predetermined subframe carries the downlink that does not send the control information.
- a receiving terminal for controlling information is provided, which is configured to receive control information of the foregoing sending method, where the receiving terminal includes: an acquiring module, configured to acquire control information sent by a transmitting end in a downlink subframe Setting information; receiving module, configured to receive a unit frame sent by the sending end; and a decoding module, configured to decode the control information in the unit frame according to the predetermined subframe and the setting information decoding unit.
- the receiving terminal further includes: a storage module, configured to store a default value, where the default value is setting information of the control information in the downlink subframe.
- the predetermined subframe is the first 16m downlink subframe after the uplink/downlink transition point.
- the predetermined subframe is the first downlink sub-unit in the unit frame Frame;
- the predetermined subframe is the first downlink subframe in the unit frame and the first downlink subframe after the uplink/downlink transition point.
- the setting information is a subframe interval.
- the setting information is a subframe bitmap.
- the decoding module includes: a first decoding submodule, configured to decode control information of a predetermined subframe; and a second decoding submodule configured to decode control information of other subframes determined according to the setting information.
- the present invention notifies the 16m terminal by using the control information and transmitting the control information on the partial 16m subframe to the 16m terminal, so that the 16m terminal does not include the control information and has no subframe related resource assignment.
- the position can turn off the RF transmission, enter the micro-sleep mode, and reduce the power consumption of the terminal.
- FIG. 1 is a schematic structural diagram of a superframe proposed in a 16m frame structure design in the related art
- FIG. 2 is a flowchart of a method for transmitting control information according to an embodiment of the method of the present invention
- FIG. 3a, 3b, 3c is a schematic diagram of a method for transmitting user-specific control information according to a subframe interval in the case of a 2-switch point unit frame according to an embodiment of the method of the present invention
- FIGS. 4a, 4b, and 4c are diagrams showing a 4-turn point unit frame according to an embodiment of the method of the present invention
- FIGS. 5a, 5b, and 5c are diagrams showing a manner of transmitting user-specific control information according to a 16m subframe bitmap in the case of a 2-switch point unit frame according to an embodiment of the method of the present invention
- Figure 6a, 6b, 6c are schematic diagrams of one way of transmitting user-specific control information according to a 16m subframe bitmap in the case of a 4-switch point unit frame in accordance with an embodiment of the method of the present invention
- Figure 7 is an embodiment of a method in accordance with the present invention.
- FIG. 9 is a control information according to an embodiment of the apparatus of the present invention.
- the control information is sent on a part of the 16m subframe according to the requirement of the system service delay performance, and the information about setting the 16m subframe is notified to the terminal.
- the terminal is enabled to turn off the radio frequency transmission in the subframe position that does not include the control information and has no resource allocation of the terminal, enter the micro sleep mode, and reduce the power consumption of the terminal.
- the invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other if they do not conflict.
- the method embodiment is based on the frame structure shown in FIG. 1.
- the embodiment of the present invention provides a method for transmitting control information according to the problem that the power consumption of the 16m terminal of the three-layer frame structure is too large in the prior art, and the method is based on the system.
- the service delay performance requirement is that the control information is sent on a part of the 16m subframe, and the notification of the part of the 16m subframe is set to the terminal, so that the terminal can be in the subframe position that does not contain the control information and has no resource allocation of the terminal.
- the RF transmission can be turned off and the micro sleep mode is entered to reduce the power consumption of the terminal.
- the sub-frames described below all refer to 16m subframes.
- the method is described in detail below in conjunction with FIG. 2. As shown in FIG. 2, the method includes (step S202 - step S204). Step S202: Informing the terminal to control the setting information of the information in the downlink subframe.
- the setting information of the terminal control information in the downlink subframe may be notified in the form of a sending message, where the sent message carries the control information in the downlink.
- Setting information in the subframe or notifying the setting information of the terminal control information in the downlink subframe in a form of setting a default value in the terminal in advance, that is, the default value is setting information of the control information in the downlink subframe, and no need to The form of the above message is notified to the terminal.
- Step S204 Send control information to the terminal in the predetermined subframe and other subframes determined according to the setting information.
- control information is preferably user-specific control information
- user-specific control information refers to control information that is sent to one user or multiple users, for example, scheduling assignment.
- Power Control or ACK/NACK (Correct Answer/Error Response) Information the embodiments of the present invention are described in detail below with user-specific control information.
- the fixed subframe including the user-specific control information (that is, the predetermined subframe described above) is the first 16m downlink subframe after the uplink/downlink transition point, that is, each 16m unit frame (hereinafter may be simply referred to as a unit frame).
- the first 16m downlink subframe, but for the unit frame of the 4 transition point, the fixed subframe containing the user-specific control information further includes the first 16m downlink subframe after the uplink/downlink transition point, where the transition point refers to The change point of the subframe transmission direction, for example, the transition point of the uplink subframe to the downlink subframe is represented as an uplink/downlink transition point, and the transition point of the downlink subframe to the uplink subframe is represented as a downlink/uplink transition point.
- the foregoing setting information may be a subframe interval or a subframe bitmap, that is, a sending position of other user-specific control information in the unit frame may be indicated by a subframe interval for transmitting user-specific control information, or by indicating user-specific control information.
- the 16m subframe bitmap of the transmission location is indicated.
- the subframe interval here may be set by the system default (for example, the subframe interval is 1 16m subframe) or through the system background setting.
- the subframe interval information may be set to be sent to the terminal in the superframe control header, or notified to the terminal in a broadcast manner at a position other than the superframe header; if the subframe interval is determined by the system In the background setting, the subframe interval information can be notified to the terminal by the system in a broadcast manner.
- the subframe interval that can be set in the system background is 1, 2, 3, or 4 subframes. For example, in a 2-conversion point unit frame, the sub-frame interval can be set to 3 or 4; in a 4-conversion point unit frame, the sub-frame interval can be set to 3.
- the control information sent in the Nth downlink subframe includes an Nth downlink subframe,
- the user-specific control information of the Nth subframe includes information of the Nth subframe, the N+1, the N+ (M - 1 ) subframes, the data scheduling of the user, the power control, and the like, and the correlation of the downlink subframes.
- the information may be information such as data scheduling, power control, etc. of the user, that is, data scheduling in a 16m subframe that does not include user-specific control information, and a subframe in which power control information and the like are closest to the user-specific control information before the subframe. Indicated in the middle.
- the other units in the unit frame are set according to the subframe interval.
- 3a, 3b, and 3c are schematic diagrams of a method for transmitting user-specific control information according to a subframe interval in the case of a 2-switch point unit frame, wherein the subframe interval M can be based on the downlink/uplink subframe ratio required by the system deployment. And the configuration information of the 16m/16e subframe is set.
- the subframe interval is set to 1 by default, and can also be set to 2.
- the system can configure the subframe interval to be 3 or 4.
- the user-specific control information of the Nth subframe includes the Nth subframe, the data scheduling of the user in the N+1th, the N+ (M-1) subframes, the power control, and the like, and the 16m subframe that does not include the user-specific control information. Information such as data scheduling, power control, etc., is indicated in the subframe containing the user-specific control information closest to the subframe.
- the first 16m downlink subframe includes user-specific control information
- the 16m downlink subframe that includes the user-specific control information in the unit frame is: 1 , M+l , 2M+1 , where M is the user-specific control information.
- 16m subframe interval As shown in the figure, in the 5ms and 2 conversion point unit frames, the downlink/uplink transition point is 302 and the uplink/downlink transition point is 303, and the downlink/uplink subframe ratio is 6:2, wherein three 16m downlink sub-frames are included. frame.
- 3a is a schematic diagram of user-specific control information transmission with a subframe interval of 1, 16m downlink subframe 1, 16m downlink subframe 2, and 16m downlink subframe 3, that is, each 16m downlink subframe ⁇ includes user-specific control information 301.
- the user-specific control information only indicates information such as data scheduling and power control in the subframe.
- 3b is a schematic diagram of user-specific control information transmission with a subframe interval of 2, 16m downlink subframe 1 and 16m downlink subframe 3 contain user-specific control information 301, and 16m downlink subframe 2 does not contain user-specific control information.
- the user-specific control information in the 16m downlink subframe 1 includes information such as data scheduling and power control of the user in the 16m downlink subframe 1 and the 16m downlink subframe 2, and the user-specific control information in the 16m downlink subframe 3 includes only the downlink subframe.
- FIG. 3c is a schematic diagram of user-specific control information transmission with a subframe interval of 3. Only 16m downlink subframe 1 includes user-specific control information, and 16m downlink subframe 2 and 16m downlink subframe 3 do not contain user-specific control information.
- the user-specific control information in the 16m downlink subframe 1 includes information such as data scheduling and power control of the user in the 16m downlink subframe 1, the 16m downlink subframe 2, and the 16m downlink subframe 3.
- 4a, 4b, and 4c are diagrams showing a method of transmitting user-specific control information according to a subframe interval in the case of 4 transition points, wherein the setting of the subframe interval M is the same as the case of the 2 transition point.
- the first 16m downlink subframe after the uplink/downlink transition point (set as downlink subframe 1 and downlink subframe i) includes user-specific control information
- the 16m downlink subframe in which the unit-specific control information is included in the unit frame is: 1 , M+1 , 2M+1 , .. . ; i, M+i, 2M+i, ....
- port diagrams 4a, 4b, and 4c 5ms, 4 conversion point unit frames
- downlink/uplink conversion points are 402, 404
- uplink/downlink conversion points are 403, 405, and downlink/uplink subframe ratio is 6:2.
- the unit frame includes six 16m downlink subframes, and the 16m downlink subframe 1 and the 16m downlink subframe 4 close to the uplink/downlink transition point contain user-specific control information, and the MB 16m downlink subframe M+l, 2M+1, The 16m downlink subframe 4, M+4, 2M+4 contain user-specific control information.
- 4a is a schematic diagram of user-specific control information transmission with a subframe interval of 1, and 16m downlink subframes 1, 2, 3, 4, 5, and 6 include user-specific control information 401, that is, each 16m downlink subframe includes a user.
- the dedicated control information 401, the user-specific control information only indicates information such as data scheduling, power control, and the like in the subframe.
- 4b is a schematic diagram of user-specific control information transmission with a subframe interval of 2, 16m downlink subframes 1, 3, 4, and 6 contain user-specific control information 401, and 16m downlink subframes 2 and 5 do not contain user-specific control information.
- the user-specific control information in the 16m downlink subframe 1 includes information such as data scheduling and power control of the user in the 16m downlink subframe 1 and the 16m downlink subframe 2
- the user-specific control information in the 16m downlink subframe 4 includes the 16m downlink subframe.
- 4c is a schematic diagram of user-specific control information transmission with a subframe interval of 3, 16m downlink subframes 1 and 4 contain user-specific control information, and 16m downlink subframes 2, 3, 5, and 6 do not contain user-specific control information.
- the user-specific control information in the 16m downlink subframe 1 includes information such as data scheduling and power control of the user in the 16m downlink subframes 1, 2, and 3.
- the user-specific control information in the 16m downlink subframe 4 includes the 16m downlink subframe 4, 5 and 6 user data scheduling, power control and other information.
- the system determines the 16m indicating the location of the user-specific control information transmission according to the downlink/uplink subframe ratio and the configuration information of the 16m/16e subframe.
- the length of the frame bitmap For a unit frame of 2 transition points, since the first 16m downlink subframe in the unit frame is fixed to contain user-specific control information, the length of the 16m subframe bitmap is the number of 16m downlink subframes in the unit frame minus one.
- the corresponding bitmap bit is set to: except for the first 16m downlink subframe, the bitmap bit corresponding to the 16m downlink subframe including the user-specific control information is set to 1, and the 16m downlink subframe corresponding to the user-specific control information is corresponding.
- the bitmap bit is set to 0, or the bitmap bit corresponding to the 16m downlink subframe containing the user-specific control information is set to 0, and the bitmap bit corresponding to the 16m downlink subframe not including the user-specific control information is set to 1.
- the 16m subframe bitmap is The length is the number of 16m downlink subframes in the unit frame minus 2.
- the corresponding bitmap bit is set to: the first 16m downlink subframe in the unit frame and the first 16m downlink subframe after the uplink/downlink transition point, corresponding to the 16m downlink subframe including the user-specific control information.
- the bitmap bit (which may be simply referred to as a bitmap) is set to 1, and the bitmap bit corresponding to the 16m downlink subframe that does not contain the user-specific control information is set to 0, or the bitmap bit corresponding to the 16m downlink subframe including the user-specific control information. Set to 0, the bitmap bit corresponding to the 16m downlink subframe that does not contain user-specific control information is set to 1.
- the 16m subframe bitmap further indicates an indication of the user-specific control information, and one method is: the control information sent in the Nth downlink subframe includes an Nth downlink subframe and an N+1th downlink subframe N+L downlink subframe related information, where N is an integer greater than or equal to 1, and L is a bitmap bit 0 between the bitmap bit 1 and the next bitmap bit 1 corresponding to the Nth downlink subframe The number.
- the bitmap corresponding to the subframe N is 1, and the bitmap corresponding to the subsequent L subframes adjacent to the subframe N is 0, it indicates that the subframe N includes User control information, and the subsequent L subframes adjacent to the subframe N do not include user control information, and the user-specific control information in the subframe N indicates the data scheduling of the subframe N and the subsequent L subframes adjacent thereto, Information such as power control. If the user control information is not included in the subframe, information such as data scheduling and power control of the subframe is indicated by user control information in the subframe containing the user control information closest to the subframe before the subframe.
- 5a, 5b, and 5c are diagrams showing a manner of transmitting user-specific control information according to a 16m subframe bitmap in the case of a 2-switch point unit frame.
- the system will be The length of the 16m subframe bitmap of the user-specific control information transmission location is determined according to the downlink/uplink subframe ratio and the configuration information of the 16m/16e subframe.
- the length of the bitmap is the number of 16m downlink subframes in the unit frame minus one.
- the corresponding bitmap bit is set to 1
- the 16m downlink subframe that does not contain user-specific control information and the corresponding bitmap bit is set to 0. If the bitmap corresponding to the subframe N is 1, and the bitmap corresponding to the subsequent L subframes adjacent to the subframe N is 0, the user-specific control information in the subframe N indicates the subframe N and the subsequent L adjacent thereto. Data scheduling, power control and other information of sub-frames.
- the data scheduling and power control information of the subframe is indicated by the user control information in the subframe containing the user control information closest to the subframe before the subframe.
- the downlink/uplink conversion point is 502
- the uplink/downlink conversion point is 503
- the downlink/uplink subframe ratio is 6:2, where 3 is included.
- the length of the 16m subframe bitmap indicating the location of the user-specific control information transmission is 2 bits. As shown in FIG.
- the 2-bit subframe bitmap is "11", indicating that the 16m downlink subframes 2 and 3 also include user-specific control information, except for the 16m downlink subframe 1 containing user-specific control information.
- the user-specific control information in the user only includes information such as data scheduling, power control, and the like of the user of the subframe.
- the 2-bit subframe bitmap is "01”, indicating that the 16m downlink subframe 3 also includes user-specific control information except that the 16m downlink subframe 1 contains user-specific control information.
- the user-specific control information in the 16m downlink subframe 1 includes information such as data scheduling and power control of the user in the 16m downlink subframe 1 and the 16m downlink subframe 2, and the user-specific control information in the 16m downlink subframe 3 includes only the downlink subframe.
- the 2-bit subframe bitmap is "10", indicating that the 16m downlink subframe 2 also includes user-specific control information, and the 16m downlink subframe, except that the 16m downlink subframe 1 contains user-specific control information. 3 does not contain user-specific control information.
- the user-specific control information in the 16m downlink subframe 1 includes information such as data scheduling and power control of the 16m downlink subframe 1
- the user-specific control information in the 16m downlink subframe 2 includes the data scheduling of the user in the 16m downlink subframes 2 and 3. , power control and other information.
- the system determines the user-specific control information transmission bit according to the downlink/uplink subframe ratio. The length of the 16m subframe bitmap.
- the first 16m downlink subframe in the unit frame and the first 16m downlink subframe after the uplink/downlink transition point are fixed to include user-specific control information 601, and the length of the bitmap is the number of downlink 16m subframes in the unit frame. Subtract 2. For a 16m downlink subframe containing user-specific control information, the corresponding bitmap bit is set to 1, otherwise it is set to 0 (bitmap bit settings are as described above). If the bitmap corresponding to the subframe N is 1, and the bitmap corresponding to the subsequent L subframes adjacent to the subframe N is 0, the user-specific control information in the subframe N indicates the subframe N and the subsequent L adjacent thereto. Data scheduling, power control and other information of sub-frames.
- the data scheduling information of the subframe is indicated by the user control information in the subframe containing the user control information closest to the subframe before the subframe.
- the downlink/uplink transition points are 602 and 604
- the uplink/downlink transition points are 603 and 605
- the downlink/uplink subframe ratio is 6:2.
- the unit frame includes six 16m downlink subframes, and the length of the 16m subframe bitmap of the user-specific control information transmission location is 4 bits. As shown in FIG.
- the 4-bit subframe bitmap is "1111", indicating that the 16m downlink subframes 2, 3, 5, and 6 include user-specific, except that the 16m downlink subframes 1 and 4 contain user-specific control information. Control information, the user-specific control information in each subframe includes only data scheduling, power control, and the like of the user of the subframe. As shown in FIG. 6b, the 4-bit subframe bitmap is "0110", indicating that the 16m downlink subframes 3 and 5 also include user-specific control information in addition to the 16m downlink subframes 1 and 4 containing user-specific control information.
- the user-specific control information of the downlink subframe 1 includes information such as data scheduling and power control of the users in the subframes 1 and 2, and the user-specific control information of the downlink subframe 5 includes data scheduling, power control, and the like of the users in the subframes 5 and 6.
- Information, and the user-specific control information of the downlink subframes 3 and 4 only includes information such as data scheduling, power control, and the like of the user of the subframe.
- the 4-bit subframe bitmap is "1000", indicating that the 16m downlink subframe 2 also includes user-specific control information except that the 16m downlink subframes 1 and 4 contain user-specific control information.
- the user-specific control information of the downlink subframe 2 includes information such as data scheduling and power control of the user in the sub-downlink frames 2 and 3, and the user-specific control information of the downlink subframe 4 includes data scheduling of the user in the downlink subframes 4, 5, and 6. Information such as power control; and the user-specific control information of the downlink subframe 1 only includes information such as data scheduling and power control of the user of the subframe.
- the 16m subframe bitmap represents an indication of the user-specific control information.
- the control information transmitted in the Nth downlink subframe includes information about the Nth downlink subframe; and for the unit frame of the 2 transition point, The control information included in the predetermined subframe carries the related information of the downlink subframe that does not transmit the control information; for the unit frame of the 4 transition point, the control included in the predetermined subframe between the two transition points.
- the information carries information related to the downlink subframe in which the control information is not transmitted between the two transition points. That is, if the bitmap corresponding to the subframe N is 1, the subframe N including the user-specific control information indicates only information such as data scheduling, power control, and the like of the subframe (subframe N).
- information such as data scheduling and power control in a subframe that does not contain user-specific control information corresponding to a bitmap is 0.
- the first downlink 16m subframe in the unit frame (that is, the predetermined sub-frame) User-specific control information indication in the frame).
- information such as data scheduling and power control in a subframe that does not include user-specific control information is indicated by the first downlink 16m subframe that is closest to the uplink/downlink transition point before the current subframe.
- FIG. 7 is a schematic diagram showing another manner of transmitting user-specific control information according to a 16m subframe bitmap in the case of a 2-switch point unit frame.
- the 2-bit subframe bitmap is "10", indicating that the 16m downlink subframe 2 also includes user-specific control information, and the 16m downlink subframe, except that the 16m downlink subframe 1 includes user-specific control information. 3 does not contain user-specific control information.
- the user-specific control information of the 16m downlink subframe 2 only indicates the data scheduling and power control information of the user in the subframe.
- the user-specific control information in the 16m downlink subframe 1 includes the users in the 16m downlink subframe 1 and the 16m downlink subframe 3. Data scheduling, power control and other information.
- the downlink/uplink conversion point is 802, 804, the uplink/downlink conversion point is 803, 805, and the downlink/uplink subframe ratio is 6.
- the unit frame contains six 16m downlink subframes, and the length of the 16m subframe bitmap of the user-specific control information transmission position is 4.
- the 4-bit 16m subframe bitmap is "0100", indicating that the 16m downlink subframe is included except for the first downlink subframe 1 and the first downlink subframe 5 after the uplink/downlink transition point contains user-specific control information.
- 3 also contains user-specific control information.
- the user-specific control information of the 16m downlink subframe 3 only indicates the data scheduling and power control information of the user of the subframe; the data scheduling and power control of the user in the 16m downlink subframe 2 and the downlink subframe 4 are in the 16m downlink subframe 1
- the user-specific control information indicates that the data scheduling, power control, and the like of the user in the 16m downlink subframe 6 are indicated in the user-specific control information of the 16m downlink subframe 5. It can be seen from the above description that the user control information is sent on the downlink subframe of the partial 16m, and the foregoing setting is notified to the terminal, so that the terminal can selectively enable the radio frequency transmission, that is, the user-specific control information is not included and the terminal is not included.
- the subframe position of the related resource assignment can turn off the radio transmission and enter the micro-sleep mode, which can reduce the power consumption of the terminal.
- Apparatus Embodiment provides a receiving terminal for controlling information, preferably for receiving user-specific control information in the foregoing method embodiment, and FIG. 9 is a block diagram of the receiving terminal, as shown in FIG.
- the method mainly includes: an obtaining module 10, a receiving module 20, and a decoding module 30. Each part is described in detail below with reference to FIG.
- the obtaining module 10 is configured to acquire setting information of the control information sent by the transmitting end in the downlink subframe, where the setting information preferably refers to a subframe interval or a 16m subframe bit used to set the position of the control information in the unit frame.
- the terminal may further include a storage module (not shown) for storing a default value, where the default value is setting information of the control information in the downlink subframe.
- the storage module and the obtaining module 10 may be configured in a single manner, or may be separately configured to jointly obtain the setting information of the control information in the downlink subframe.
- the receiving module 20 is configured to receive a unit frame sent by the sending end.
- the decoding module 30 is configured to decode the control information in the unit frame according to the predetermined subframe and the setting information. As can be seen from the above description, the base station sets a subframe interval or a 16m subframe bitmap, and transmits the broadcast to the terminal.
- the subframe interval or the 16m subframe bitmap may be set according to the number of conversion points required by the system deployment, the downlink/uplink subframe ratio, and the configuration information of the 16m/16e subframe.
- the subframe interval is M, and M can be set to 1 or 2. In the case that the 16m downlink subframe ratio is large and the service delay requirement is not high, M can also be set to 3 or 4.
- the decoding module 30 specifically includes: a first decoding sub-module 32 and a second decoding sub-module 34, wherein the first decoding sub-module 32 is configured to decode control information of a predetermined subframe, that is, to fix the user-specific control The subframe of the information is decoded; the second decoding sub-module 34 is configured to decode control information of other subframes determined according to the setting information, that is, according to the subframe interval or the 16m subframe bitmap information, and other user-specific control information.
- the sub-frame is decoded.
- the terminal After receiving the unit frame, the terminal fixes the user-specific control information of the subframe position including the user-specific control information in the unit frame, and according to the subframe interval or the 16m subframe bitmap information, is separated by 16m subframes. Or other sub-frame position decoding user-specific control information including user-specific control information calculated by the 16m subframe bitmap.
- the child containing the user-specific control information is fixed
- the first 16m downlink subframe for the case of the 4 transition point unit frame, the first downlink subframe after the uplink/downlink transition point in the frame structure, that is, except for the first 16m downlink subframe in the unit frame.
- the location of the first 16m downlink subframe after the second uplink/downlink transition point is also included.
- the terminal can enable the terminal to set the information of the received control information in the unit frame without including the user-specific control information and without the terminal-related resource assignment.
- the sub-frame position turns off the radio frequency transmission and enters the micro-sleep mode, which overcomes the problem of excessive power consumption of the 16m terminal in the prior art, and effectively reduces the power consumption of the terminal.
- modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
- the invention is not limited to any specific combination of hardware and software.
- the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
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Description
Claims
Priority Applications (3)
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EP08876820.5A EP2330785A4 (en) | 2008-08-28 | 2008-12-31 | TAX INFORMATION TRANSMISSION METHOD AND RECEIVER |
JP2011524164A JP2012501118A (ja) | 2008-08-28 | 2008-12-31 | 制御情報の送信方法および受信端末 |
US13/060,660 US8649293B2 (en) | 2008-08-28 | 2008-12-31 | Control information transmission method and control information receiving terminal |
Applications Claiming Priority (2)
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CN200810215808.6 | 2008-08-28 | ||
CN200810215808 | 2008-08-28 |
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WO2010022577A1 true WO2010022577A1 (zh) | 2010-03-04 |
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PCT/CN2008/073898 WO2010022577A1 (zh) | 2008-08-28 | 2008-12-31 | 控制信息的发送方法和接收终端 |
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US (1) | US8649293B2 (zh) |
EP (1) | EP2330785A4 (zh) |
JP (1) | JP2012501118A (zh) |
CN (1) | CN101662345A (zh) |
WO (1) | WO2010022577A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110317602A1 (en) * | 2010-03-05 | 2011-12-29 | Maruti Gupta | Sleep mode power saving in a wireless communication device |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9735939B2 (en) | 2011-11-11 | 2017-08-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Network node, user equipment and methods therein for transmitting and receiving control information |
EP2777353B1 (en) * | 2011-11-11 | 2019-01-23 | Telefonaktiebolaget LM Ericsson (publ) | Network node, user equipment and methods therein for transmitting and receiving control information |
GB2505696A (en) * | 2012-09-07 | 2014-03-12 | Sony Corp | Receiving a sleep indication signal at a communications device in the narrow band control channel of a virtual carrier |
GB2510315B (en) * | 2012-09-07 | 2017-12-06 | Sony Corp | Transmitting a sleep indication signal to a communications device in a virtual carrier narrow band control channel |
US9521562B2 (en) * | 2014-10-16 | 2016-12-13 | Qualcomm Incorporated | Decoupling radio frequency (RF) and baseband processing |
JP2019054307A (ja) * | 2016-01-26 | 2019-04-04 | シャープ株式会社 | 基地局装置、端末装置および通信方法 |
CN109587772A (zh) * | 2017-09-29 | 2019-04-05 | 电信科学技术研究院 | 一种业务处理的控制方法、网络侧设备及用户设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007052916A1 (en) * | 2005-10-31 | 2007-05-10 | Lg Electronics Inc. | Method for processing control information in a wireless mobile communication system |
CN101039169A (zh) * | 2007-05-21 | 2007-09-19 | 中兴通讯股份有限公司 | 第三代移动通信长期演进系统中信道复用方法与装置 |
US20080032632A1 (en) * | 2006-08-07 | 2008-02-07 | Samsung Electronics Co. Ltd. | Apparatus and method for canceling interference in a wireless communication system |
US20080089297A1 (en) * | 2006-08-18 | 2008-04-17 | Lg Electronics Inc. | Method for transmitting and receiving a signal to protect against erroneous feedback information |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3911358B2 (ja) * | 1999-02-08 | 2007-05-09 | 株式会社ケンウッド | 基地局省電力化方法 |
CN101292446A (zh) | 2005-10-31 | 2008-10-22 | Lg电子株式会社 | 在无线移动通信系统中传输测量报告的方法 |
US20070121743A1 (en) * | 2005-11-25 | 2007-05-31 | Go Networks, Inc. | Ubiquitous coverage OFDM hybrid system |
JP4805751B2 (ja) * | 2006-08-18 | 2011-11-02 | 富士通株式会社 | 無線通信装置および無線通信方法 |
JP2008125063A (ja) * | 2006-11-09 | 2008-05-29 | Innowireless Co Ltd | 基地局エミュレーティング機能を有する携帯インターネット計測器及びこれを利用したul同期取得及び端末のテスト方法 |
US20090325533A1 (en) * | 2008-06-27 | 2009-12-31 | Abhijit Lele | Method for using an adaptive waiting time threshold estimation for power saving in sleep mode of an electronic device |
-
2008
- 2008-12-31 EP EP08876820.5A patent/EP2330785A4/en not_active Withdrawn
- 2008-12-31 US US13/060,660 patent/US8649293B2/en active Active
- 2008-12-31 JP JP2011524164A patent/JP2012501118A/ja active Pending
- 2008-12-31 WO PCT/CN2008/073898 patent/WO2010022577A1/zh active Application Filing
-
2009
- 2009-05-15 CN CN200910141621A patent/CN101662345A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007052916A1 (en) * | 2005-10-31 | 2007-05-10 | Lg Electronics Inc. | Method for processing control information in a wireless mobile communication system |
US20080032632A1 (en) * | 2006-08-07 | 2008-02-07 | Samsung Electronics Co. Ltd. | Apparatus and method for canceling interference in a wireless communication system |
US20080089297A1 (en) * | 2006-08-18 | 2008-04-17 | Lg Electronics Inc. | Method for transmitting and receiving a signal to protect against erroneous feedback information |
CN101039169A (zh) * | 2007-05-21 | 2007-09-19 | 中兴通讯股份有限公司 | 第三代移动通信长期演进系统中信道复用方法与装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110317602A1 (en) * | 2010-03-05 | 2011-12-29 | Maruti Gupta | Sleep mode power saving in a wireless communication device |
US8638704B2 (en) * | 2010-03-05 | 2014-01-28 | Intel Corporation | Sleep mode power saving in a wireless communication device |
Also Published As
Publication number | Publication date |
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EP2330785A4 (en) | 2014-01-29 |
CN101662345A (zh) | 2010-03-03 |
EP2330785A1 (en) | 2011-06-08 |
US20110235547A1 (en) | 2011-09-29 |
JP2012501118A (ja) | 2012-01-12 |
US8649293B2 (en) | 2014-02-11 |
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