CN106211092B - A kind of method of trunked communication system subdistrict frequency band resource allocation and base station - Google Patents
A kind of method of trunked communication system subdistrict frequency band resource allocation and base station Download PDFInfo
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Abstract
The present invention discloses method and the base station of a kind of trunked communication system subdistrict frequency band resource allocation, which comprises according to preset band type, divides to the Whole frequency band of this cell；It receives the message for carrying UE power type information of the reported by user equipment UE of this cell, carry this cell reference signals reception power RSRPserviceThe message of information and carry adjacent cell Reference Signal Received Power RSRPneighborThe message of information；According to UE power type information, RSRPserviceInformation and RSRPneighborInformation determines the type of UE；According to the type of UE, the corresponding band type of UE is determined；According to the corresponding band type of UE, searches idle band resource and distribute to UE.The present invention can be effectively reduced high-power terminal and interfere co-frequency cell, guarantee the LTE standard power colony terminal normal communication of adjacent area for supporting the trunked communication system based on TD-LTE technology of different peak power output terminals under identical networking scene.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a base station for distributing cell frequency band resources of a trunking communication system.
Background
The Time Division Long Term Evolution (TD-LTE) technology is a new Generation broadband mobile communication wireless access technology, and compared with the wireless access technology of the existing second Generation mobile phone communication technology (2-Generation wireless telephone technology, 2G) and third Generation mobile communication technology (3rd-Generation, 3G) mobile communication systems, the TD-LTE technology has the characteristics of high transmission rate, small transmission delay, high QoS guarantee, and the like.
The trunking communication system is a special wireless communication system which is developed for meeting the demand of industry command and dispatch and is applied to various industries. Trunked communication systems have found widespread use in public safety, transportation, public utility, petrochemical, industrial and commercial and military applications. In the existing TD-LTE technology, the characteristics of trunking services are increased, and the TD-LTE broadband digital trunking communication system is a development direction of trunking communication systems. The broadband digital trunking communication system based on the TD-LTE technology can not only support various multimedia services of the TD-LTE mobile communication system, but also provide basic trunking call services and trunking multimedia services, such as voice group call, voice single call, visual group call, visual single call, broadcast call, real-time video transmission and the like.
Some industrial applications require that the trunking terminal still can perform high-speed services in a shadow area (an area caused by an electric wave encountering an obstacle in a propagation process) in a cell or at a cell edge, and the service quality of the trunking terminal is to be ensured. On the premise of not changing the existing network deployment, the maximum output power of User Equipment (UE) can be increased to obtain higher data throughput. Currently, the maximum output power of the existing trunking terminal in the wideband digital trunking communication system based on the TD-LTE technology is compliant with the Long Term Evolution (LTE) protocol established by the 3rd Generation partnership project (3 GPP) organization, and the currently defined terminal with power class 3 has a requirement that the maximum output power at any transmission bandwidth within the channel bandwidth is 23dBm, and such a terminal is called an LTE standard power trunking terminal. In order to ensure that the trunking terminal located in the shadow area or at the edge of the cell can still perform a service with a relatively high rate, the wideband digital trunking communication system based on the TD-LTE technology needs to add a trunking terminal with a maximum output power greater than that specified by the LTE standard, and such a terminal is called a high-power trunking terminal. For example, the maximum output power of a high power trunking terminal at any transmission bandwidth within the channel bandwidth is 33 dBm. In this way, terminals (LTE standard power trunking terminal and high power trunking terminal) with different maximum output powers may exist in the wideband digital trunking communication system based on the TD-LTE technology.
In LTE systems, inter-cell interference suppression is typically combined with power control or resource allocation. An inter-cell interference suppression scheme combined with resource allocation can reduce inter-cell interference level to a certain extent, for example, partial Frequency Reuse (FFR) and Soft Frequency Reuse (SFR) schemes are proposed in LTE, and the principle of FFR is to avoid mutual interference of cell edge users by setting a cell forbidden Frequency band; the principle of SFR is to avoid cell-edge users from interfering with each other by allocating different frequency bands and powers to different neighboring cell-edge users. These schemes essentially disable some of the frequency resources in the cell for edge users based on band pre-planning, thereby avoiding inter-cell interference.
According to the requirements of industrial users, a high-power trunking terminal needs to be added to a broadband digital trunking communication system based on the TD-LTE technology, but the existing LTE protocol does not support the terminal with the power level. For a wideband digital trunking communication system supporting different maximum output power terminals (an LTE standard power trunking terminal and a high-power trunking terminal) and based on a TD-LTE technology, under the scene of co-frequency networking, the maximum transmitting power of the high-power trunking terminal is higher than that of the LTE standard power trunking terminal, and a higher-order modulation and coding mode can be adopted to improve the throughput and the spectral efficiency of a user. However, a high power trunking terminal transmits at a high power, and may generate a serious inter-cell interference, thereby deteriorating the service quality at the cell edge. For example, because the cell edge users of the LTE-standard power cluster terminal are farther away from the serving base station, the power reception of the useful signal is lower and therefore more susceptible to interference; meanwhile, because the cell edge user of the high-power trunking terminal is close to the adjacent cell, interference to the adjacent cell is more easily caused in the uplink data sending process. Therefore, for a wideband digital trunking communication system supporting terminals with different maximum output powers and based on the TD-LTE technology, it is necessary to urgently solve the problem that terminals with different maximum output powers cause inter-frequency cell interference, and particularly, the problem how to reduce inter-frequency cell interference and ensure normal operation of LTE standard power trunking terminals in neighboring cells is solved by introducing a large-power terminal to cause larger inter-frequency cell interference.
Disclosure of Invention
The invention aims to solve the technical problem that the inter-cell interference is serious in a same-frequency networking scene of a TD-LTE technology-based broadband digital trunking communication system supporting different maximum output power terminals (an LTE standard power trunking terminal and a high-power trunking terminal).
To this end, in a first aspect, the present invention provides a method for allocating cell band resources in a trunking communication system, including:
dividing the full frequency band of the cell according to the preset frequency band type;
receiving a message carrying UE power type information reported by user equipment UE of the cell, and a Reference Signal Received Power (RSRP) of the cellserviceInformation message and Reference Signal Received Power (RSRP) carrying adjacent cellneighborA message of information; wherein the UE power types include: high power and LTE standard power;
according to the UE power type information and RSRPserviceInformation and RSRPneighborInformation, determining a type of the UE;
determining a frequency band type corresponding to the UE according to the type of the UE;
and searching idle frequency band resources to be allocated to the UE according to the frequency band type corresponding to the UE.
Optionally, the dividing the full frequency band of the cell according to the preset frequency band type includes:
dividing the full frequency band of the cell into a reserved frequency band, an edge frequency band, a central frequency band and a forbidden frequency band;
the reserved frequency band is strictly orthogonal to the reserved frequency band of the adjacent cell, and the edge frequency band is strictly orthogonal to the edge frequency band of the adjacent cell;
the frequency band position of the forbidden frequency band is the frequency band position of a reserved frequency band of an adjacent cell;
the central frequency band is a frequency band left by removing the reserved frequency band, the marginal frequency band and the forbidden frequency band from the whole frequency band of the local cell.
Optionally, the information according to the UE power type and RSRPserviceInformation and RSRPneighborInformation to determine a type of the UE, comprising:
judging the RSRPserviceAnd the RSRPneighborWhether the difference is greater than a preset edge UE judgment threshold RSRP _ thresh or not;
if so, determining that the UE is an edge UE;
otherwise, determining the UE as the central UE;
wherein the type of the UE comprises: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE.
Optionally, the determining, according to the type of the UE, a band type corresponding to the UE includes:
if the UE is a high-power edge UE, determining that the frequency band type corresponding to the UE is a reserved frequency band;
if the UE is a high-power center UE, determining the frequency band type corresponding to the UE as a reserved frequency band and an edge frequency band;
if the UE is LTE standard power edge UE, determining that the frequency band type corresponding to the UE is a reserved frequency band and an edge frequency band;
and if the UE is the LTE standard power center UE, determining that the frequency band types corresponding to the UE are a reserved frequency band, an edge frequency band and a central frequency band.
Optionally, the searching for an idle frequency band resource to allocate to the UE according to the frequency band type corresponding to the UE includes:
determining the priority of the UE according to the corresponding relation between the preset priority and the type of the UE;
and searching idle frequency band resources to be allocated to the UE according to the priority of the UE and the frequency band type corresponding to the UE.
Optionally, the correspondence between the preset priority and the type of the UE includes:
the priority is from high to low: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE.
Optionally, the searching for an idle frequency band resource to allocate to the UE according to the priority of the UE and the frequency band type corresponding to the UE includes:
allocating idle frequency band resources in a reserved frequency band to the high-power edge UE;
after the frequency band resource of the high-power edge UE is allocated, allocating idle frequency band resources in a reserved frequency band and edge frequency band resources to the high-power center UE;
after the frequency band resource of the high-power center UE is allocated, allocating the spare frequency band resource in the reserved frequency band and the edge frequency band to the LTE standard power edge UE;
after allocating the band resources of the LTE standard power edge UE, allocating free band resources in a reserved band, an edge band and a center band to the LTE standard power center UE.
In a second aspect, the present invention further provides a base station, including:
the frequency band dividing unit is used for dividing the full frequency band of the cell according to the preset frequency band type;
a message receiving unit, configured to receive a message carrying UE power type information and reported by a UE in a local cell, the message carrying reference signal received power RSRP in the local cellserviceInformation message and Reference Signal Received Power (RSRP) carrying adjacent cellneighborA message of information; wherein the UE power types include: high power and LTE standard power;
a UE type determining unit for receiving the list according to the messageThe UE power type information and RSRP received by the elementserviceInformation and RSRPneighborInformation, determining a type of the UE;
a band type determining unit, configured to determine a band type corresponding to the UE according to the UE type determined by the UE type determining unit;
and the frequency band resource allocation unit is used for searching the idle frequency band resource to allocate to the UE according to the frequency band type corresponding to the UE determined by the frequency band type determination unit.
Optionally, the frequency band dividing unit is specifically configured to divide a full frequency band of the cell into a reserved frequency band, an edge frequency band, a center frequency band, and a forbidden frequency band.
Optionally, the UE type determining unit is specifically configured to determine the RSRPserviceAnd the RSRPneighborWhether the difference is greater than a preset edge UE judgment threshold RSRP _ thresh or not;
upon determining the RSRPserviceAnd the RSRPneighborWhen the difference value is greater than a preset edge UE judgment threshold RSRP _ thresh, determining that the UE is the edge UE;
upon determining the RSRPserviceAnd the RSRPneighborWhen the difference value is not more than a preset edge UE judgment threshold RSRP _ thresh, determining the UE as a center UE;
wherein the type of the UE comprises: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE.
Compared with the prior art, the method and the base station for distributing the frequency band resources of the community of the trunking communication system divide the full frequency band of the community into the reserved frequency band, the edge frequency band, the central frequency band and the forbidden frequency band, determine the type of the UE according to the information reported by the UE, and configure the used frequency band resources for the UE according to the type of the UE, so that the interference of a high-power terminal to a community with the same frequency can be effectively reduced, and the normal communication of an LTE standard power trunking terminal of an adjacent community is ensured.
Furthermore, when allocating resources, the method and the base station for allocating cell frequency band resources in the trunking communication system can perform priority ordering by combining the types of the UEs, select the UEs one by one according to the ordering order, acquire the types of the frequency band resources available to the UEs according to the types of the UEs, search for idle and appropriate resources on the frequency band resources to allocate to the selected UEs, can effectively reduce the interference of the high-power terminal to the cells with the same frequency, and ensure the normal communication of the LTE standard power trunking terminal of the neighboring cells.
Drawings
Fig. 1 is a flowchart of a method for allocating cell band resources in a trunking communication system according to an embodiment of the present invention;
fig. 2 is a structural diagram of a base station according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment discloses a method for allocating cell band resources in a trunking communication system, which may include the following steps S1 to S5:
s1, dividing the full frequency band of the cell according to the preset frequency band type;
s2, receiving the power class carrying UE reported by UE in local cellType information message carrying local cell reference signal received power RSRPserviceInformation message and Reference Signal Received Power (RSRP) carrying adjacent cellneighborA message of information; wherein the UE power types include: high power and LTE standard power;
s3, according to the UE power type information, RSRPserviceInformation and RSRPneighborInformation, determining a type of the UE;
s4, determining a frequency band type corresponding to the UE according to the type of the UE;
s5, according to the frequency band type corresponding to the UE, searching the idle frequency band resource to allocate to the UE.
In a specific example, step S1 includes: dividing the full frequency band of the cell into a reserved frequency band, an edge frequency band, a central frequency band and a forbidden frequency band;
wherein the sum of the reserved frequency band and the edge frequency band does not exceed 1/3 of the full frequency band, and the reserved frequency band is strictly orthogonal to the reserved frequency band of the adjacent cell, and the edge frequency band is strictly orthogonal to the edge frequency band of the adjacent cell;
the frequency band position of the forbidden frequency band is the frequency band position of a reserved frequency band of an adjacent cell;
the central frequency band is a frequency band left by removing the reserved frequency band, the marginal frequency band and the forbidden frequency band from the whole frequency band of the local cell.
For example, taking three cells or sectors as a cluster as an example, the following specific method for band planning is given as follows:
physical Resource Block (PRB) is used as the minimum granularity of the band Resource planning. Obtaining the total number Ntotal of system PRBs of the cell according to the system bandwidth;
the PRB number range occupied by the reserved frequency band of the cell or the sector i is as follows:
wherein, αiAnd βiRespectively, the ratio of reserved frequency band and marginal frequency band of cell or sector i to the whole frequency bandWherein, i% 3 ═ 0, i% 3 ═ 1, and i% 3 ═ 2 respectively denote numbers 0, 1, and 2 of the cell or sector i in the cell or sector cluster.
The PRB number range occupied by the edge frequency band of the cell or the sector i is as follows:
the PRB number range occupied by the forbidden frequency band of cell or sector i is:
the occupied PRB number range of the central frequency band of the cell or the sector i is the remaining PRB in the whole frequency band except the occupied PRB number range of the reserved frequency band, the marginal frequency band and the forbidden frequency band.
In a specific example, step S3 includes:
judging the RSRPserviceAnd the RSRPneighborWhether the difference is greater than a preset edge UE judgment threshold RSRP _ thresh or not;
if so, determining that the UE is an edge UE;
otherwise, determining the UE as the central UE;
wherein the type of the UE comprises: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE.
In a specific example, step S4 includes:
if the UE is a high-power edge UE, determining that the frequency band type corresponding to the UE is a reserved frequency band;
if the UE is a high-power center UE, determining the frequency band type corresponding to the UE as a reserved frequency band and an edge frequency band;
if the UE is LTE standard power edge UE, determining that the frequency band type corresponding to the UE is a reserved frequency band and an edge frequency band;
and if the UE is the LTE standard power center UE, determining that the frequency band types corresponding to the UE are a reserved frequency band, an edge frequency band and a central frequency band.
In a specific example, step S5 includes steps S51 and S52 not shown in fig. 1:
s51, determining the priority of the UE according to the corresponding relation between the preset priority and the type of the UE;
s52, according to the priority of the UE and the frequency band type corresponding to the UE, searching the idle frequency band resource to allocate to the UE.
In a specific example, the correspondence between the preset priority and the type of the UE in step S51 includes:
the priority is from high to low: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE.
In a specific example, step S52 includes:
allocating idle frequency band resources in a reserved frequency band to the high-power edge UE;
after the frequency band resource of the high-power edge UE is allocated, allocating idle frequency band resources in a reserved frequency band and edge frequency band resources to the high-power center UE; allocating reserved frequency band resources and edge frequency band resources;
after the frequency band resource of the high-power center UE is allocated, allocating the spare frequency band resource in the reserved frequency band and the edge frequency band to the LTE standard power edge UE;
after allocating the band resources of the LTE standard power edge UE, allocating free band resources in a reserved band, an edge band and a center band to the LTE standard power center UE.
As shown in fig. 2, the present embodiment discloses a base station, which may include the following units: a band dividing unit 21, a message receiving unit 22, a UE type determining unit 23, a band type determining unit 24, and a band resource allocating unit 25;
a frequency band dividing unit 21, configured to divide a full frequency band of the local cell according to a preset frequency band type;
a message receiving unit 22, configured to receive a message carrying UE power type information and reported by a UE in a local cell, the message carrying reference signal received power RSRP in the local cellserviceInformation message and Reference Signal Received Power (RSRP) carrying adjacent cellneighborA message of information; wherein the UE power types include: high power and LTE standard power;
a UE type determining unit 23, configured to determine the UE power type information and RSRP received by the message receiving unit 22serviceInformation and RSRPneighborInformation, determining a type of the UE;
a band type determining unit 24, configured to determine, according to the type of the UE determined by the UE type determining unit 23, a band type corresponding to the UE;
a frequency band resource allocating unit 25, configured to search, according to the frequency band type corresponding to the UE determined by the frequency band type determining unit 24, an idle frequency band resource to allocate to the UE.
In a specific example, the frequency band dividing unit 21 is specifically configured to divide the full frequency band of the local cell into a reserved frequency band, an edge frequency band, a center frequency band, and a forbidden frequency band.
In a specific example, the UE type determining unit 23 is specifically configured to determine the RSRPserviceAnd the RSRPneighborWhether the difference is greater than a preset edge UE judgment threshold RSRP _ thresh or not;
upon determining the RSRPserviceAnd the RSRPneighborWhen the difference value is greater than a preset edge UE judgment threshold RSRP _ thresh, determining that the UE is the edge UE;
upon determining the RSRPserviceAnd the RSRPneighborWhen the difference value is not more than a preset edge UE judgment threshold RSRP _ thresh, determining the UE as a center UE;
wherein the type of the UE comprises: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE.
It should be noted that, the base station in this embodiment may perform the steps in the foregoing method embodiments, and details are not described in this embodiment.
The method and the base station for distributing the frequency band resources of the community of the trunking communication system divide the full frequency band of the community into a reserved frequency band, an edge frequency band, a central frequency band and a forbidden frequency band, determine the type of the UE according to the information reported by the UE, and configure the used frequency band resources for the UE according to the type of the UE, so that the interference of a high-power terminal to the same-frequency community can be effectively reduced, and the normal communication of the LTE standard power trunking terminal of the adjacent community is ensured.
Furthermore, when allocating resources, the method and the base station for allocating cell frequency band resources in the trunking communication system can perform priority ordering by combining the types of the UEs, select the UEs one by one according to the ordering order, acquire the types of the frequency band resources available to the UEs according to the types of the UEs, search for idle and appropriate resources on the frequency band resources to allocate to the selected UEs, can effectively reduce the interference of the high-power terminal to the cells with the same frequency, and ensure the normal communication of the LTE standard power trunking terminal of the neighboring cells.
Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. A method for allocating cell band resources in a trunking communication system, comprising:
dividing the full frequency band of the cell according to the preset frequency band type;
receiving a message carrying UE power type information reported by user equipment UE of the cell, and a Reference Signal Received Power (RSRP) of the cellserviceInformation message and Reference Signal Received Power (RSRP) carrying adjacent cellneighborA message of information; wherein the UE power types include: high power and LTE standardsPower;
according to the UE power type information and RSRPserviceInformation and RSRPneighborInformation, determining a type of the UE;
determining a frequency band type corresponding to the UE according to the type of the UE;
searching idle frequency band resources to be allocated to the UE according to the frequency band type corresponding to the UE; wherein,
the UE power type information and RSRP are obtainedserviceInformation and RSRPneighborInformation to determine a type of the UE, comprising:
judging the RSRPserviceAnd the RSRPneighborWhether the difference is greater than a preset edge UE judgment threshold RSRP _ thresh or not; if so, determining that the UE is an edge UE; otherwise, determining the UE as the central UE; wherein the type of the UE comprises: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE;
the determining, according to the type of the UE, a band type corresponding to the UE includes:
if the UE is a high-power edge UE, determining that the frequency band type corresponding to the UE is a reserved frequency band; if the UE is a high-power center UE, determining the frequency band type corresponding to the UE as a reserved frequency band and an edge frequency band; if the UE is LTE standard power edge UE, determining that the frequency band type corresponding to the UE is a reserved frequency band and an edge frequency band; and if the UE is the LTE standard power center UE, determining that the frequency band types corresponding to the UE are a reserved frequency band, an edge frequency band and a central frequency band.
2. The method according to claim 1, wherein the dividing the full frequency band of the cell according to the predetermined frequency band type includes:
dividing the full frequency band of the cell into a reserved frequency band, an edge frequency band, a central frequency band and a forbidden frequency band;
the reserved frequency band is strictly orthogonal to the reserved frequency band of the adjacent cell, and the edge frequency band is strictly orthogonal to the edge frequency band of the adjacent cell;
the frequency band position of the forbidden frequency band is the frequency band position of a reserved frequency band of an adjacent cell;
the central frequency band is a frequency band left by removing the reserved frequency band, the marginal frequency band and the forbidden frequency band from the whole frequency band of the local cell.
3. The method of claim 1, wherein the searching for an idle band resource to allocate to the UE according to the band type corresponding to the UE comprises:
determining the priority of the UE according to the corresponding relation between the preset priority and the type of the UE;
and searching idle frequency band resources to be allocated to the UE according to the priority of the UE and the frequency band type corresponding to the UE.
4. The method of claim 3, wherein the correspondence between the preset priority and the type of the UE comprises:
the priority is from high to low: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE.
5. The method of claim 4, wherein the searching for an idle bandwidth resource to allocate to the UE according to the priority of the UE and the bandwidth type corresponding to the UE comprises:
allocating idle frequency band resources in a reserved frequency band to the high-power edge UE;
after the frequency band resource of the high-power edge UE is allocated, allocating idle frequency band resources in a reserved frequency band and edge frequency band resources to the high-power center UE;
after the frequency band resource of the high-power center UE is allocated, allocating the spare frequency band resource in the reserved frequency band and the edge frequency band to the LTE standard power edge UE;
after allocating the band resources of the LTE standard power edge UE, allocating free band resources in a reserved band, an edge band and a center band to the LTE standard power center UE.
6. A base station, comprising:
the frequency band dividing unit is used for dividing the full frequency band of the cell according to the preset frequency band type;
a message receiving unit, configured to receive a message carrying UE power type information and reported by a UE in a local cell, the message carrying reference signal received power RSRP in the local cellserviceInformation message and Reference Signal Received Power (RSRP) carrying adjacent cellneighborA message of information; wherein the UE power types include: high power and LTE standard power;
a UE type determining unit for determining the UE power type information and RSRP received by the message receiving unitserviceInformation and RSRPneighborInformation, determining a type of the UE; is particularly used for judging the RSRPserviceAnd the RSRPneighborWhether the difference is greater than a preset edge UE judgment threshold RSRP _ thresh or not; if so, determining that the UE is an edge UE; otherwise, determining the UE as the central UE; wherein the type of the UE comprises: the system comprises a high-power edge UE, a high-power center UE, an LTE standard power edge UE and an LTE standard power center UE;
a band type determining unit, configured to determine a band type corresponding to the UE according to the UE type determined by the UE type determining unit; specifically, if the UE is a high-power edge UE, determining that a frequency band type corresponding to the UE is a reserved frequency band; if the UE is a high-power center UE, determining the frequency band type corresponding to the UE as a reserved frequency band and an edge frequency band; if the UE is LTE standard power edge UE, determining that the frequency band type corresponding to the UE is a reserved frequency band and an edge frequency band; if the UE is an LTE standard power center UE, determining that the frequency band types corresponding to the UE are a reserved frequency band, an edge frequency band and a central frequency band;
and the frequency band resource allocation unit is used for searching the idle frequency band resource to allocate to the UE according to the frequency band type corresponding to the UE determined by the frequency band type determination unit.
7. The base station of claim 6, wherein the frequency band dividing unit is specifically configured to divide a full frequency band of the local cell into a reserved frequency band, an edge frequency band, a center frequency band, and a forbidden frequency band.
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| CN201510228110.8A CN106211092B (en) | 2015-05-06 | 2015-05-06 | A kind of method of trunked communication system subdistrict frequency band resource allocation and base station |
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| CN106211092A CN106211092A (en) | 2016-12-07 |
| CN106211092B true CN106211092B (en) | 2019-07-05 |
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