CN105813203A - Information processing method, base station and terminal equipment - Google Patents
Information processing method, base station and terminal equipment Download PDFInfo
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Abstract
The invention discloses an information processing method applied to a base station. The method comprises steps that a first frequency band in a frequency band scope of the base station is determined; the system bandwidth is determined; whether the system bandwidth satisfies the preset condition is determined, and a first determination result is obtained; when the first determination result shows that the system bandwidth satisfies the preset condition, a first parameter is determined; a first time domain is determined on the basis of the system bandwidth and the first parameter; a second time domain is determined according to the first time domain; communication with the first type terminal equipment is carried out on the second time domain and the first frequency band; when the first determination result shows that the system bandwidth does not satisfy the preset condition, a third preset time domain is determined; communication with the first type terminal equipment is carried out on the third preset time domain and the first frequency band. The invention further discloses the base station and the terminal equipment applied to the first type terminal equipment. According to the method, system resources can be saved, and system scheduling indication cost is reduced.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an information processing method, a base station, and a terminal device.
Background
In the Long Term Evolution (LTE) R13 version, an enhanced version of Machine-type communication (MTC) is introduced, and in order to save energy consumption and expand coverage, both the radio frequency and the baseband of the enhanced MTC terminal only support the narrowband processing capability of 6 Resource Blocks (RBs). For the control channel, the method comprises the following steps: a Physical Downlink Control Channel (PDCCH), a Physical Control Format Indicator Channel (PCFICH), and a physical hybrid automatic repeat indicator channel (PHICH), because the control channel occupies the whole bandwidth resource, when the system bandwidth is greater than 6 resource blocks, the enhanced MTC terminal cannot detect the control channel, so the information carried by the control channel must be acquired through other ways to ensure the communication and detection of the traffic channel. For the traffic channel, narrowband traffic data transmission can be realized through base station scheduling.
In order to be compatible with the terminal type of the R12 version, which physical resources the enhanced MTC terminal can occupy needs to be divided in the standard. The defined region (narrow-band region) needs to realize the narrow-band communication (including acquiring the information of the control channel) of the enhanced MTC terminal user without affecting the terminal user of the original R12 version.
Since the control channel carries system control information and is a shared region for all terminal users, the control channel cannot be occupied by the enhanced MTC terminal, and only the traffic channel resources can be occupied according to the scheduling of the base station to complete the narrowband communication (including acquiring information of the control channel). Therefore, it is necessary to confirm the communication area of the enhanced MTC terminal in both the time domain and the frequency domain. The current solutions mainly include:
in the time domain:
A. information transfer through a main system Module (MIB);
B. information transfer through a System Information Block (SIB);
C. the following are defined in the protocol: the fixation starts from the 5 th Orthogonal Frequency Division Multiplexing (OFDM) symbol (symbol) of the subframe and ends the subframe.
In the frequency domain:
A. any 6RB resources in the frequency domain;
B. resources in the frequency domain are divided into groups in units of 6RB, and an arbitrary group of resources is used.
However, in the time domain, no matter through the MIB or through the SIB, system resources are consumed to transmit corresponding information, which inevitably brings additional system resource overhead; the fixed starting from the fifth OFDM symbol also causes a certain waste of system resources (since the number of symbols occupied by the control channel varies with the system bandwidth). Any 6RB resources in the frequency domain, although the scheduling is more flexible, the overhead of system scheduling indication is increased; in addition, resource allocation is also made more confusing.
Disclosure of Invention
In view of this, embodiments of the present invention mainly aim to provide an information processing method, a base station, and a terminal device, which can save system resources and reduce overhead of system scheduling indication.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides an information processing method, which is applied to a base station and comprises the following steps:
determining a first frequency band within a frequency band range of the base station, wherein the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal equipment, the bandwidth of the first frequency band is a first bandwidth, and the first class of terminal equipment only supports the first bandwidth;
determining a system bandwidth, wherein the system bandwidth is a bandwidth allocated to the base station;
judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result;
when the first judgment result shows that the system bandwidth meets a preset condition, determining a first parameter, wherein the first parameter represents a control format of the base station;
determining a first time domain based on the system bandwidth and the first parameter, wherein the first time domain characterizes a time domain range used by a first channel;
determining a second time domain according to the first time domain;
communicating with the first class of terminal equipment in the second time domain and the first frequency band;
when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain;
and communicating with the first type of terminal equipment on the third preset time domain and the first frequency band.
Preferably, the determining whether the system bandwidth meets a preset condition includes:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
Preferably, the method further comprises:
transmitting first information on a second channel, the first information indicating the system bandwidth;
transmitting second information on a third channel, the second information indicating the first parameter.
Preferably, the determining a second time domain according to the first time domain includes:
and in a time domain in which the base station can communicate, determining a time domain after the first time domain as the second time domain.
Preferably, the determining a first frequency band within the frequency band of the base station includes:
determining a starting point and an end point of the first frequency band within the frequency band range of the base station;
acquiring a first frequency band parameter corresponding to the first frequency band;
and sending the starting point and the end point of the first frequency band and the first frequency band parameter to the first class terminal equipment.
The embodiment of the invention also provides an information processing method, which is applied to first-class terminal equipment, wherein the first-class terminal equipment only supports a first bandwidth, and the method comprises the following steps:
obtaining third information from a base station, and determining a first frequency band based on the third information, wherein the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, and a bandwidth of the first frequency band is the first bandwidth;
receiving first information on a second channel, and analyzing the first information to obtain a system bandwidth;
judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result;
when the first judgment result shows that the system bandwidth meets the preset condition, receiving second information on a third channel, and analyzing the second information to obtain a first parameter;
determining a first time domain based on the system bandwidth and the first parameter, wherein the first time domain characterizes a time domain range used by a first channel;
determining a second time domain according to the first time domain;
communicating with the base station in the second time domain and the first frequency band;
when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain;
and communicating with the base station in the third preset time domain and the first frequency band.
Preferably, the determining whether the system bandwidth meets a preset condition includes:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
Preferably, the determining a second time domain according to the first time domain includes:
and in the time domain in which the first type of terminal equipment can communicate, determining the time domain after the first time domain as the second time domain.
Preferably, the obtaining third information from the base station, and determining the first frequency band based on the third information includes:
receiving a starting point and an end point of the first frequency band and a first frequency band parameter corresponding to the first frequency band, wherein the starting point and the end point of the first frequency band are sent by the base station;
determining a frequency point of the first frequency band based on the first frequency band parameter;
and determining the first frequency band based on the frequency point, the starting point and the end point of the first frequency band.
Preferably, the communicating with the base station in the second time domain and the first frequency band includes:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
communicating with the base station in the second time domain and the first frequency band;
correspondingly, the communicating with the base station in the third preset time domain and the first frequency band includes:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
and communicating with the base station in the third preset time domain and the first frequency band.
The embodiment of the invention also provides a base station, which comprises a first determining unit, a second determining unit, a first judging unit, a third determining unit, a fourth determining unit, a fifth determining unit, a sixth determining unit, a first communication unit and a second communication unit; wherein,
the first determining unit is configured to determine a first frequency band within a frequency band range of the base station, where the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, a bandwidth of the first frequency band is a first bandwidth, and the first class of terminal devices only support the first bandwidth;
the second determining unit is configured to determine a system bandwidth, where the system bandwidth is a bandwidth allocated to the base station;
the first judging unit is used for judging whether the system bandwidth meets a preset condition or not and obtaining a first judging result;
the third determining unit is configured to determine a first parameter when the first determination result indicates that the system bandwidth meets a preset condition, where the first parameter represents a control format of the base station;
the fourth determining unit is configured to determine a first time domain based on the system bandwidth and the first parameter, where the first time domain represents a time domain range used by a first channel;
the fifth determining unit is configured to determine a second time domain according to the first time domain;
the first communication unit is configured to communicate with the first class terminal device in the second time domain and the first frequency band;
the sixth determining unit is configured to determine a third preset time domain when the first determination result indicates that the system bandwidth does not meet a preset condition;
the second communication unit is configured to communicate with the first class of terminal devices in the third preset time domain and the first frequency band.
Preferably, the first judging unit is further configured to:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
Preferably, the base station further comprises a first transmitting unit and a second transmitting unit; wherein,
the first sending unit is configured to send first information on a second channel, where the first information is used to indicate the system bandwidth;
the second sending unit is configured to send second information on a third channel, where the second information is used to indicate the first parameter.
Preferably, the fifth determining unit is further configured to:
and in a time domain in which the base station can communicate, determining a time domain after the first time domain as the second time domain.
Preferably, the first determining unit is further configured to:
determining a starting point and an end point of the first frequency band within the frequency band range of the base station;
acquiring a first frequency band parameter corresponding to the first frequency band;
and sending the starting point and the end point of the first frequency band and the first frequency band parameter to the first class terminal equipment.
The embodiment of the invention also provides terminal equipment, wherein the terminal equipment only supports the first bandwidth, and the terminal equipment comprises a first acquisition unit, a second judgment unit, a third acquisition unit, a fourth acquisition unit, a fifth acquisition unit, a sixth acquisition unit, a third communication unit and a fourth communication unit; wherein,
the first obtaining unit is configured to obtain third information from a base station, and determine a first frequency band based on the third information, where the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, and a bandwidth of the first frequency band is the first bandwidth;
the second obtaining unit is configured to receive first information on a second channel, and analyze the first information to obtain a system bandwidth;
the second judging unit is used for judging whether the system bandwidth meets a preset condition or not to obtain a first judging result;
the third obtaining unit is configured to receive second information on a third channel and analyze the second information to obtain a first parameter when the first determination result indicates that the system bandwidth meets a preset condition;
the fourth obtaining unit is configured to determine a first time domain based on the system bandwidth and the first parameter, where the first time domain represents a time domain range used by a first channel;
the fifth obtaining unit is configured to determine a second time domain according to the first time domain;
the third communication unit is configured to communicate with the base station in the second time domain and the first frequency band;
the sixth obtaining unit is configured to determine a third preset time domain when the first determination result indicates that the system bandwidth does not meet a preset condition;
the fourth communication unit is configured to communicate with the base station in the third preset time domain and the first frequency band.
Preferably, the second judging unit is further configured to:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
Preferably, the fifth obtaining unit is further configured to:
and in the time domain in which the first type of terminal equipment can communicate, determining the time domain after the first time domain as the second time domain.
Preferably, the first obtaining unit is further configured to:
receiving a starting point and an end point of the first frequency band and a first frequency band parameter corresponding to the first frequency band, wherein the starting point and the end point of the first frequency band are sent by the base station;
determining a frequency point of the first frequency band based on the first frequency band parameter;
and determining the first frequency band based on the frequency point, the starting point and the end point of the first frequency band.
Preferably, the third communication unit is further configured to:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
communicating with the base station in the second time domain and the first frequency band;
the fourth communication unit is further configured to:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
communicating with the base station in the third predetermined time domain and the first frequency band
The information processing method, the base station and the terminal device provided by the embodiment of the invention determine a first frequency band; judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result; specifically, when the first judgment result shows that the system bandwidth meets the preset condition, a first time domain is determined based on the system bandwidth and a first parameter, a second time domain is determined according to the first time domain, and communication is carried out on the second time domain and a first frequency band; and when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain, and communicating on the third preset time domain and the first frequency band. By using the technical scheme of the embodiment of the invention, the system resource can be saved, and the overhead of system scheduling indication can be reduced.
Drawings
Fig. 1 is a schematic flowchart of an information processing method applied in a base station according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an information processing method applied in a mobile device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a mobile device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described below are only for the purpose of illustrating and explaining the present invention, and are not to be construed as limiting the present invention.
An information processing method provided in an embodiment of the present invention is applied to a base station, and as shown in fig. 1, in a preferred embodiment of the present invention, the information processing method mainly includes the following steps:
step 101: a first frequency band is determined within a frequency band of the base station.
The first frequency band is a frequency band supporting the base station to communicate with a first class of terminal equipment, the bandwidth of the first frequency band is a first bandwidth, and the first class of terminal equipment only supports the first bandwidth.
Preferably, the determining a first frequency band within the frequency band of the base station includes:
determining a starting point and an end point of the first frequency band within the frequency band range of the base station;
acquiring a first frequency band parameter corresponding to the first frequency band;
and sending the starting point and the end point of the first frequency band and the first frequency band parameter to the first class terminal equipment.
Specifically, the first frequency band includes at least one first frequency group, where the first frequency group is a frequency domain group available to the first type of terminal device.
For example, a central frequency domain group is determined by taking the midpoint of the whole frequency domain as the center and taking 6RB as the bandwidth; then, with the center frequency domain group as the center, dividing the two sides of the frequency domain of the center frequency domain group into a plurality of first frequency groups by taking each 6RB as a unit, and calling the group with the frequency domain edge less than 6 RBs as a boundary frequency domain group, where the first frequency group is a frequency domain group available for the first type of terminal equipment, and correspondingly, the first frequency band parameter may refer to a number corresponding to the frequency domain group or a center frequency point corresponding to the frequency domain group.
Preferably, the center frequency domain group and the boundary frequency domain group are not used for dedicated resources of the first class of terminal devices.
Since the method is applied to a base station, the execution subject of step 101 is the base station, and then step 101 can also be described as: the method comprises the steps that a base station determines a first frequency band within a frequency band range of the base station, wherein the first frequency band is a frequency band supporting the base station to communicate with first-class terminal equipment, the bandwidth of the first frequency band is a first bandwidth, and the first-class terminal equipment only supports the first bandwidth.
Step 102: and determining a system bandwidth, wherein the system bandwidth is the bandwidth allocated to the base station.
In one embodiment, the system bandwidth may be: bandwidth allocated by the LTE system.
Since the method is applied to a base station, the execution subject of step 102 is the base station, and then step 102 can also be described as: and the base station determines the system bandwidth, wherein the system bandwidth is the bandwidth allocated to the base station.
Here, the system bandwidth may be 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz, and the like.
Step 103: and judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result.
Preferably, the determining whether the system bandwidth meets a preset condition includes:
and judging whether the system bandwidth is less than or equal to the first bandwidth or not.
Since the method is applied to a base station, the execution subject of step 103 is the base station, and then step 103 can also be described as: and the base station judges whether the system bandwidth meets a preset condition or not and obtains a first judgment result.
Step 104: and when the first judgment result shows that the system bandwidth meets the preset condition, determining a first parameter.
Wherein the first parameter characterizes a control format of the base station.
Here, the control format of the base station may be generally represented by a Control Format Indicator (CFI).
Specifically, the first determination result indicates that the system bandwidth meets a preset condition, and includes:
the system bandwidth is less than or equal to the first bandwidth.
Since the method is applied to a base station, the execution subject of step 104 is the base station, and then step 104 can also be described as: and when the first judgment result shows that the system bandwidth meets the preset condition, the base station determines a first parameter.
Step 105: a first time domain is determined based on the system bandwidth and the first parameter.
Wherein the first time domain characterizes a time domain range used by the first channel.
Here, the first time domain may refer to the number of symbols of a subframe used by a control channel (e.g., PDCCH) of each subframe.
Since the method is applied to a base station, the execution subject of step 105 is the base station, and then step 105 can also be described as: the base station determines a first time domain based on the system bandwidth and the first parameter.
Step 106: and determining a second time domain according to the first time domain.
Preferably, the determining a second time domain according to the first time domain includes:
and in a time domain in which the base station can communicate, determining a time domain after the first time domain as the second time domain.
Here, the second time domain refers to a dedicated channel resource allocated to a first class of terminal devices, where the dedicated channel resource starts from an mth symbol (symbol) of each subframe to an end of the subframe, that is, starts from a symbol M of each subframe to the end of the subframe, and in one embodiment, M represents a time domain starting position of the dedicated channel resource, and if the system bandwidth is less than or equal to 1.4MHz, M is CFI + 1.
Specifically, at normal Cyclic Prefix (CP), the end bit is symbol # 13; when the CP is extended, the end bit is symbol # 11.
Since the method is applied to a base station, the execution subject of step 106 is the base station, and then step 106 can also be described as: and the base station determines a second time domain according to the first time domain.
Step 107: and communicating with the first type of terminal equipment in the second time domain and the first frequency band.
Since the method is applied to a base station, the execution subject of step 107 is the base station, and then step 107 can also be described as: and the base station communicates with the first type of terminal equipment on the second time domain and the first frequency band.
Step 108: and when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain.
Specifically, the first judgment result indicates that the system bandwidth does not satisfy a preset condition, and includes:
the system bandwidth is greater than the first bandwidth.
Since the method is applied to a base station, the execution subject of step 108 is the base station, and then step 108 can also be described as: when the first determination result indicates that the system bandwidth does not satisfy the preset condition, the base station determines a third preset time domain, and in an embodiment, if the system bandwidth is greater than 1.4MHz, M is 4, that is, the dedicated channel resource starts from a 4 th symbol (symbol) of each subframe to an end of the subframe.
Step 109: and communicating with the first type of terminal equipment on the third preset time domain and the first frequency band.
Since the method is applied to a base station, the execution subject of step 109 is the base station, and then step 109 can also be described as: and the base station communicates with the first type of terminal equipment on the third preset time domain and the first frequency band.
In the foregoing solution, preferably, the method further includes:
transmitting first information on a second channel, wherein the first information is used for indicating the system bandwidth;
transmitting second information on a third channel, wherein the second information is used for indicating the first parameter.
Here, the second channel is a Physical Broadcast Channel (PBCH), i.e., system bandwidth indication information is transmitted on the PBCH.
Here, the third channel is a Physical Control Format Indicator Channel (PCFICH), that is, CFI parameter information is transmitted on the PCFICH.
In the foregoing scheme, the first class of terminal devices may be enhanced MTC terminals.
Therefore, the information processing method in the embodiment is applied to a base station, and determines a first frequency band within the frequency band range of the base station; determining a system bandwidth; judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result; when the first judgment result shows that the system bandwidth meets a preset condition, determining a first parameter; determining a first time domain based on the system bandwidth and the first parameter; determining a second time domain according to the first time domain; communicating with the first class of terminal equipment in the second time domain and the first frequency band; when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain; and communicating with the first type of terminal equipment on the third preset time domain and the first frequency band. Therefore, system resources can be saved, and the overhead of system scheduling indication can be reduced.
An information processing method provided in an embodiment of the present invention is applied to a first type of terminal device, where the first type of terminal device only supports a first bandwidth, as shown in fig. 2, and in a preferred embodiment of the present invention, the information processing method mainly includes the following steps:
step 201: third information is obtained from a base station, and a first frequency band is determined based on the third information.
The first frequency band is a frequency band supporting the base station to communicate with a first class of terminal equipment, and the bandwidth of the first frequency band is the first bandwidth.
Here, the width of the first bandwidth supported by the first type of terminal device may be 6 RB.
Specifically, the third information includes: the base station transmits a starting point and an end point of a first frequency band and a first frequency band parameter corresponding to the first frequency band.
Preferably, the first frequency band parameter may refer to a number corresponding to a frequency domain group or a center frequency point corresponding to the frequency domain group.
Preferably, the obtaining third information from the base station, and determining the first frequency band based on the third information includes:
receiving a starting point and an end point of the first frequency band and a first frequency band parameter corresponding to the first frequency band, wherein the starting point and the end point of the first frequency band are sent by the base station;
determining a frequency point of the first frequency band based on the first frequency band parameter;
and determining the first frequency band based on the frequency point, the starting point and the end point of the first frequency band.
Since the method is applied to the first type of terminal device, the execution subject of step 201 is the first type of terminal device, and then step 201 can also be described as: the first type terminal device obtains third information from the base station, and determines the first frequency band based on the third information.
Step 202: and receiving first information on a second channel, and analyzing the first information to obtain the system bandwidth.
Here, the second channel is a PBCH, and the first information indicates the system bandwidth.
Since the method is applied to the first type terminal device, the execution subject of step 202 is the first type terminal device, and then step 202 can also be described as: and the first type of terminal equipment receives the first information on the second channel and analyzes the first information to obtain the system bandwidth.
Step 203: and judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result.
Preferably, the determining whether the system bandwidth meets a preset condition includes:
and judging whether the system bandwidth is less than or equal to the first bandwidth or not.
Since the method is applied to the first type terminal device, the execution subject of step 203 is the first type terminal device, and then step 203 can also be described as: and the first type of terminal equipment judges whether the system bandwidth meets a preset condition or not, and obtains a first judgment result.
Step 204: and when the first judgment result shows that the system bandwidth meets the preset condition, receiving second information on a third channel, and analyzing the second information to obtain a first parameter.
Specifically, the first determination result indicates that the system bandwidth meets a preset condition, and includes:
the system bandwidth is less than or equal to the first bandwidth.
Here, the third channel is a PCFICH, and the second information is used to indicate the first parameter, i.e., to indicate CFI parameter information.
That is, when the system bandwidth is less than or equal to 1.4MHz, the second information is acquired on the third channel.
Since the method is applied to the first type of terminal device, the execution subject of step 204 is the first type of terminal device, and then step 204 can also be described as: and when the first judgment result shows that the system bandwidth meets the preset condition, the first-class terminal equipment receives second information on a third channel and analyzes the second information to obtain a first parameter.
Step 205: a first time domain is determined based on the system bandwidth and the first parameter.
Wherein the first time domain characterizes a time domain range used by the first channel.
Here, the first time domain may refer to the number of symbols of a subframe used by a control channel of each subframe.
Since the method is applied to the first type of terminal device, the execution subject of step 205 is the first type of terminal device, and then step 205 can also be described as: the first type of terminal equipment determines a first time domain based on the system bandwidth and the first parameter.
Step 206: and determining a second time domain according to the first time domain.
Preferably, the determining a second time domain according to the first time domain includes:
and in the time domain in which the first type of terminal equipment can communicate, determining the time domain after the first time domain as the second time domain.
Here, the second time domain refers to a dedicated channel resource that can be used by the first class of terminal devices, where the dedicated channel resource starts from symbol M of each subframe to a subframe end, and in one embodiment, M represents a time domain starting position of the dedicated channel resource, and if the system bandwidth is less than or equal to 1.4MHz, M is CFI + 1.
Specifically, in the case of normal CP, the end bit is symbol # 13; when the CP is extended, the end bit is symbol # 11.
Here, the second time domain refers to a time domain starting from symbol (CFI +1) of each subframe to the end of the subframe.
Since the method is applied to the first type terminal device, the execution subject of step 206 is the first type terminal device, and then step 206 can also be described as: and the first type of terminal equipment determines a second time domain according to the first time domain.
Step 207: communicating with the base station in the second time domain and the first frequency band.
Since the method is applied to the first type terminal device, the execution subject of step 207 is the first type terminal device, and then step 207 may also be described as: and the first type of terminal equipment communicates with the base station in the second time domain and the first frequency band.
Step 208: and when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain.
Preferably, the first judgment result indicates that the system bandwidth does not satisfy a preset condition, and includes:
the system bandwidth is greater than the first bandwidth.
Preferably, when the system bandwidth does not satisfy the preset condition, let M be 4, and the third preset time domain refers to from symbol4 of each subframe to the end of the subframe.
That is, when the system bandwidth is greater than 1.4MHz, the second information is no longer acquired.
Since the method is applied to the first type terminal device, the execution subject of step 208 is the first type terminal device, and then step 208 can also be described as: when the first determination result indicates that the system bandwidth does not satisfy the preset condition, the first class terminal device determines a third preset time domain, and in an embodiment, if the system bandwidth is greater than 1.4MHz, M is 4, that is, the dedicated channel resource starts from a 4 th symbol (symbol) of each subframe to an end of the subframe. .
Step 209: and communicating with the base station in the third preset time domain and the first frequency band.
Since the method is applied to the first type terminal device, the execution subject of step 209 is the first type terminal device, and then step 209 may also be described as: and the first type of terminal equipment communicates with the base station in the third preset time domain and the first frequency band.
Here, the first type of terminal device may be an enhanced MTC terminal.
It can be seen that the information processing method in this embodiment is applied to a first class of terminal devices that only support a first bandwidth, obtains third information from a base station, and determines a first frequency band based on the third information; receiving first information on a second channel, and analyzing the first information to obtain a system bandwidth; judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result; when the first judgment result shows that the system bandwidth meets the preset condition, receiving second information on a third channel, and analyzing the second information to obtain a first parameter; determining a first time domain based on the system bandwidth and the first parameter; determining a second time domain according to the first time domain; communicating with the base station in the second time domain and the first frequency band; when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain; and communicating with the base station in the third preset time domain and the first frequency band. Therefore, system resources can be saved, and the overhead of system scheduling indication can be reduced.
In correspondence with the above-described information processing method applied to the base station, an embodiment of the present invention provides a base station, as shown in fig. 3, including a first determining unit 31, a second determining unit 32, a first judging unit 33, a third determining unit 34, a fourth determining unit 35, a fifth determining unit 36, a sixth determining unit 37, a first communicating unit 38, and a second communicating unit 39; wherein,
the first determining unit 31 is configured to determine a first frequency band within a frequency band of the base station, where the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, a bandwidth of the first frequency band is a first bandwidth, and the first class of terminal devices only support the first bandwidth;
the second determining unit 32 is configured to determine a system bandwidth, where the system bandwidth is a bandwidth allocated by the base station;
the first judging unit 33 is configured to judge whether the system bandwidth meets a preset condition, and obtain a first judgment result;
the third determining unit 34 is configured to determine a first parameter when the first determination result indicates that the system bandwidth meets a preset condition, where the first parameter represents a control format of the base station;
the fourth determining unit 35 is configured to determine a first time domain based on the system bandwidth and the first parameter, where the first time domain represents a time domain range used by a first channel;
the fifth determining unit 36 is configured to determine a second time domain according to the first time domain;
the first communication unit 37 is configured to communicate with the first class terminal device in the second time domain and the first frequency band;
the sixth determining unit 38 is configured to determine a third preset time domain when the first determination result indicates that the system bandwidth does not meet a preset condition;
the second communication unit 39 is configured to communicate with the first class terminal device in the third preset time domain and the first frequency band.
Specifically, the first judging unit 33 is further configured to:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
Preferably, the base station further includes a first transmitting unit 310 and a second transmitting unit 311; wherein,
the first sending unit 310 is configured to send first information on a second channel, where the first information is used to indicate the system bandwidth;
the second sending unit 311 is configured to send second information on a third channel, where the second information is used to indicate the first parameter.
Here, the second channel is PBCH, i.e., system bandwidth indication information is transmitted on PBCH.
Here, the third channel is a PCFICH, i.e., CFI parameter information is transmitted on the PCFICH.
Specifically, the fifth determining unit 36 is further configured to:
and in a time domain in which the base station can communicate, determining a time domain after the first time domain as the second time domain.
Preferably, the first determining unit 31 is further configured to:
determining a starting point and an end point of the first frequency band within the frequency band range of the base station;
acquiring a first frequency band parameter corresponding to the first frequency band;
and sending the starting point and the end point of the first frequency band and the first frequency band parameter to the first class terminal equipment.
Specifically, the width of the first bandwidth may be 6 RB.
Here, the first type of terminal device may be an enhanced MTC terminal.
It should be noted that the functions of the first determining unit 31, the second determining unit 32, the first judging unit 33, the third determining unit 34, the fourth determining unit 35, the fifth determining unit 36, the sixth determining unit 37, the first communicating unit 38, the second communicating unit 39, the first transmitting unit 310 and the second transmitting unit 311 according to the embodiment of the present invention may be implemented by a Central Processing Unit (CPU), a Micro Processing Unit (MPU) or a Digital Signal Processing (DSP) chip in the base station.
Corresponding to the above information processing method applied to the first type of terminal device, an embodiment of the present invention provides a terminal device, where the terminal device only supports a first bandwidth, and as shown in fig. 4, the terminal device includes a first obtaining unit 41, a second obtaining unit 42, a second determining unit 43, a third obtaining unit 44, a fourth obtaining unit 45, a fifth obtaining unit 46, a sixth obtaining unit 47, a third communication unit 48, and a fourth communication unit 49; wherein,
the first obtaining unit 41 is configured to obtain third information from a base station, and determine a first frequency band based on the third information, where the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, and a bandwidth of the first frequency band is the first bandwidth;
the second obtaining unit 42 is configured to receive first information on a second channel, and analyze the first information to obtain a system bandwidth;
the second judging unit 43 is configured to judge whether the system bandwidth meets a preset condition, so as to obtain a first judgment result;
the third obtaining unit 44 is configured to receive second information on a third channel and analyze the second information to obtain a first parameter when the first determination result indicates that the system bandwidth meets a preset condition;
the fourth obtaining unit 45 is configured to determine a first time domain based on the system bandwidth and the first parameter, where the first time domain represents a time domain range used by a first channel;
the fifth obtaining unit 46 is configured to determine a second time domain according to the first time domain;
the third communication unit 47 is configured to communicate with the base station in the second time domain and the first frequency band;
the sixth obtaining unit 48 is configured to determine a third preset time domain when the first determination result indicates that the system bandwidth does not meet a preset condition;
the fourth communication unit 49 is configured to communicate with the base station in the third preset time domain and the first frequency band.
Specifically, the second judging unit 43 is further configured to:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
Specifically, the fifth obtaining unit 46 is further configured to:
and in the time domain in which the first type of terminal equipment can communicate, determining the time domain after the first time domain as the second time domain.
Specifically, the first obtaining unit 41 is further configured to:
receiving a starting point and an end point of the first frequency band and a first frequency band parameter corresponding to the first frequency band, wherein the starting point and the end point of the first frequency band are sent by the base station;
determining a frequency point of the first frequency band based on the first frequency band parameter;
and determining the first frequency band based on the frequency point, the starting point and the end point of the first frequency band.
Specifically, the third communication unit 47 is further configured to:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
communicating with the base station in the second time domain and the first frequency band;
the fourth communication unit 49 is further configured to:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
and communicating with the base station in the third preset time domain and the first frequency band.
It should be noted that the functions of the first obtaining unit 41, the second obtaining unit 42, the second judging unit 43, the third obtaining unit 44, the fourth obtaining unit 45, the fifth obtaining unit 46, the sixth obtaining unit 47, the third communicating unit 48 and the fourth communicating unit 49 according to the embodiment of the present invention may be implemented by a central processing unit CPU, an MPU or a DSP chip in the terminal device.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as a removable storage device, a Read-only memory (ROM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (20)
1. An information processing method applied in a base station, the method comprising:
determining a first frequency band within a frequency band range of the base station, wherein the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal equipment, the bandwidth of the first frequency band is a first bandwidth, and the first class of terminal equipment only supports the first bandwidth;
determining a system bandwidth, wherein the system bandwidth is a bandwidth allocated to the base station;
judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result;
when the first judgment result shows that the system bandwidth meets a preset condition, determining a first parameter, wherein the first parameter represents a control format of the base station;
determining a first time domain based on the system bandwidth and the first parameter, wherein the first time domain characterizes a time domain range used by a first channel;
determining a second time domain according to the first time domain;
communicating with the first class of terminal equipment in the second time domain and the first frequency band;
when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain;
and communicating with the first type of terminal equipment on the third preset time domain and the first frequency band.
2. The method of claim 1, wherein the determining whether the system bandwidth meets a preset condition comprises:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
3. The method of claim 1, further comprising:
transmitting first information on a second channel, the first information indicating the system bandwidth;
transmitting second information on a third channel, the second information indicating the first parameter.
4. The method of claim 1, wherein determining a second time domain from the first time domain comprises:
and in a time domain in which the base station can communicate, determining a time domain after the first time domain as the second time domain.
5. The method of claim 1, wherein determining the first frequency band within the frequency band of the base station comprises:
determining a starting point and an end point of the first frequency band within the frequency band range of the base station;
acquiring a first frequency band parameter corresponding to the first frequency band;
and sending the starting point and the end point of the first frequency band and the first frequency band parameter to the first class terminal equipment.
6. An information processing method applied to a first class of terminal devices, wherein the first class of terminal devices only support a first bandwidth, the method comprising:
obtaining third information from a base station, and determining a first frequency band based on the third information, wherein the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, and a bandwidth of the first frequency band is the first bandwidth;
receiving first information on a second channel, and analyzing the first information to obtain a system bandwidth;
judging whether the system bandwidth meets a preset condition or not, and obtaining a first judgment result;
when the first judgment result shows that the system bandwidth meets the preset condition, receiving second information on a third channel, and analyzing the second information to obtain a first parameter;
determining a first time domain based on the system bandwidth and the first parameter, wherein the first time domain characterizes a time domain range used by a first channel;
determining a second time domain according to the first time domain;
communicating with the base station in the second time domain and the first frequency band;
when the first judgment result shows that the system bandwidth does not meet the preset condition, determining a third preset time domain;
and communicating with the base station in the third preset time domain and the first frequency band.
7. The method of claim 6, wherein the determining whether the system bandwidth meets a preset condition comprises:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
8. The method of claim 6, wherein determining a second time domain from the first time domain comprises:
and in the time domain in which the first type of terminal equipment can communicate, determining the time domain after the first time domain as the second time domain.
9. The method of claim 6, wherein obtaining third information from the base station, and determining the first frequency band based on the third information comprises:
receiving a starting point and an end point of the first frequency band and a first frequency band parameter corresponding to the first frequency band, wherein the starting point and the end point of the first frequency band are sent by the base station;
determining a frequency point of the first frequency band based on the first frequency band parameter;
and determining the first frequency band based on the frequency point, the starting point and the end point of the first frequency band.
10. The method of claim 9, wherein communicating with the base station in the second time domain and the first frequency band comprises:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
communicating with the base station in the second time domain and the first frequency band;
correspondingly, the communicating with the base station in the third preset time domain and the first frequency band includes:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
and communicating with the base station in the third preset time domain and the first frequency band.
11. A base station, characterized in that the base station comprises a first determining unit, a second determining unit, a first judging unit, a third determining unit, a fourth determining unit, a fifth determining unit, a sixth determining unit, a first communication unit and a second communication unit; wherein,
the first determining unit is configured to determine a first frequency band within a frequency band range of the base station, where the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, a bandwidth of the first frequency band is a first bandwidth, and the first class of terminal devices only support the first bandwidth;
the second determining unit is configured to determine a system bandwidth, where the system bandwidth is a bandwidth allocated to the base station;
the first judging unit is used for judging whether the system bandwidth meets a preset condition or not and obtaining a first judging result;
the third determining unit is configured to determine a first parameter when the first determination result indicates that the system bandwidth meets a preset condition, where the first parameter represents a control format of the base station;
the fourth determining unit is configured to determine a first time domain based on the system bandwidth and the first parameter, where the first time domain represents a time domain range used by a first channel;
the fifth determining unit is configured to determine a second time domain according to the first time domain;
the first communication unit is configured to communicate with the first class terminal device in the second time domain and the first frequency band;
the sixth determining unit is configured to determine a third preset time domain when the first determination result indicates that the system bandwidth does not meet a preset condition;
the second communication unit is configured to communicate with the first class of terminal devices in the third preset time domain and the first frequency band.
12. The base station of claim 11, wherein the first determining unit is further configured to:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
13. The base station of claim 11, wherein the base station further comprises a first transmitting unit and a second transmitting unit; wherein,
the first sending unit is configured to send first information on a second channel, where the first information is used to indicate the system bandwidth;
the second sending unit is configured to send second information on a third channel, where the second information is used to indicate the first parameter.
14. The base station of claim 11, wherein the fifth determining unit is further configured to:
and in a time domain in which the base station can communicate, determining a time domain after the first time domain as the second time domain.
15. The base station of claim 11, wherein the first determining unit is further configured to:
determining a starting point and an end point of the first frequency band within the frequency band range of the base station;
acquiring a first frequency band parameter corresponding to the first frequency band;
and sending the starting point and the end point of the first frequency band and the first frequency band parameter to the first class terminal equipment.
16. A terminal device, which only supports a first bandwidth, is characterized in that the terminal device comprises a first obtaining unit, a second judging unit, a third obtaining unit, a fourth obtaining unit, a fifth obtaining unit, a sixth obtaining unit, a third communication unit and a fourth communication unit; wherein,
the first obtaining unit is configured to obtain third information from a base station, and determine a first frequency band based on the third information, where the first frequency band is a frequency band supporting the base station to communicate with a first class of terminal devices, and a bandwidth of the first frequency band is the first bandwidth;
the second obtaining unit is configured to receive first information on a second channel, and analyze the first information to obtain a system bandwidth;
the second judging unit is used for judging whether the system bandwidth meets a preset condition or not to obtain a first judging result;
the third obtaining unit is configured to receive second information on a third channel and analyze the second information to obtain a first parameter when the first determination result indicates that the system bandwidth meets a preset condition;
the fourth obtaining unit is configured to determine a first time domain based on the system bandwidth and the first parameter, where the first time domain represents a time domain range used by a first channel;
the fifth obtaining unit is configured to determine a second time domain according to the first time domain;
the third communication unit is configured to communicate with the base station in the second time domain and the first frequency band;
the sixth obtaining unit is configured to determine a third preset time domain when the first determination result indicates that the system bandwidth does not meet a preset condition;
the fourth communication unit is configured to communicate with the base station in the third preset time domain and the first frequency band.
17. The terminal device of claim 16, wherein the second determining unit is further configured to:
judging whether the system bandwidth is less than or equal to the first bandwidth;
correspondingly, the first judgment result shows that the system bandwidth meets the preset condition, including:
the system bandwidth is less than or equal to the first bandwidth;
the first judgment result shows that the system bandwidth does not meet the preset condition, and the method comprises the following steps:
the system bandwidth is greater than the first bandwidth.
18. The terminal device according to claim 16, wherein the fifth obtaining unit is further configured to:
and in the time domain in which the first type of terminal equipment can communicate, determining the time domain after the first time domain as the second time domain.
19. The terminal device of claim 16, wherein the first obtaining unit is further configured to:
receiving a starting point and an end point of the first frequency band and a first frequency band parameter corresponding to the first frequency band, wherein the starting point and the end point of the first frequency band are sent by the base station;
determining a frequency point of the first frequency band based on the first frequency band parameter;
and determining the first frequency band based on the frequency point, the starting point and the end point of the first frequency band.
20. The terminal device according to claim 19, wherein the third communication unit is further configured to:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
communicating with the base station in the second time domain and the first frequency band;
the fourth communication unit is further configured to:
based on the determined frequency point of the first frequency band, frequency hopping is carried out on the frequency point of the first frequency band;
and communicating with the base station in the third preset time domain and the first frequency band.
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Application publication date: 20160727 |