CN106506423B - data transmission method and base station - Google Patents
data transmission method and base station Download PDFInfo
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- CN106506423B CN106506423B CN201510563931.7A CN201510563931A CN106506423B CN 106506423 B CN106506423 B CN 106506423B CN 201510563931 A CN201510563931 A CN 201510563931A CN 106506423 B CN106506423 B CN 106506423B
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- uplink
- downlink
- time slot
- time slots
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
Abstract
The invention discloses data transmission methods and a base station, wherein the method comprises the steps that the base station sends information to User Equipment (UE), the information is used for indicating the UE to adopt an uplink time slot in a preset frame structure to send uplink data, the base station acquires the uplink data sent by the UE according to the preset frame structure, the base station and the UE transmit data through the frame structure in the process of data transmission, the method is particularly suitable for a discrete narrowband communication system, the method is suitable for the condition of narrow bandwidth, the single frequency point can still be used for service transmission, and the method improves the utilization rate of resources.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a transmission method of data and a base station.
Background
The frame structure of the TD-LTE system is shown in fig. 1. Each radio frame has a frame length of 10ms, and comprises two half-frames of 5 ms. Each field contains 5 subframes of 1 ms. Subframe 1 is a special subframe, including three portions DwPTS, GP and UpPTS. Subframe 0, subframe 5, and DwPTS are fixed for downlink transmission. The UpPTS and the immediately following subframe are fixed for uplink transmission.
The LTE system bandwidth is composed of a plurality of Resource Blocks (RBs) with continuous frequency spectrums, the frame structure of the LTE system bandwidth is suitable for the whole frequency band, the synchronous signals of the LTE system are fixed on 6 RBs of the central frequency of the system bandwidth to be transmitted, wireless communication systems occupy discontinuous frequency spectrum bandwidths, the schematic diagram of the system bandwidth is shown in figure 2, each physical channel with the frequency domain of 25kHz bandwidth is defined as frequency points, and the maximum frequency is frequency points
Each frequency point adopts OFDM technology, all discontinuous frequency points are aggregated from , and the system makes a system to dispatch and allocate to users, thereby forming the communication system with the carrier aggregation characteristic.
Because of the narrow bandwidth of discrete narrowband systems, wide-banded frame structure designs have not been suitable for such discrete narrowband systems. Resources are greatly wasted by adopting the existing bandwidth.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides data transmission methods and a base station, and the utilization rate of resources is greatly improved by adopting the methods.
, the invention provides a method for transmitting kinds of data, comprising:
a base station sends th information to User Equipment (UE), wherein the th information is used for indicating the UE to adopt an uplink time slot in a preset frame structure to send uplink data;
and the base station acquires uplink data sent by the UE according to the preset frame structure.
Optionally, the frame structure includes: the time slot switching method comprises an uplink time slot, a downlink time slot, an uplink-downlink switching time slot and a downlink-uplink switching time slot.
Optionally, the number of slots per frame structure is 3200Ts, and the length of the slot is 25 ms.
Optionally, the number of the uplink and downlink conversion time slots is 19Ts, the number of the downlink time slots is 925Ts, the number of the downlink and uplink conversion time slots is 48Ts, and the number of the uplink time slots is 2208 Ts;
the uplink and downlink conversion time slots, the downlink and uplink conversion time slots and the uplink time slots are sequentially connected to form frame structures.
Optionally, the number of the uplink and downlink conversion time slots is 19Ts, the number of the downlink time slots is 925Ts, the number of the downlink and uplink conversion time slots is 48Ts, and the number of the uplink time slots is 2208 Ts;
the downlink time slot, the downlink and uplink switching time slot, the uplink time slot and the uplink and downlink switching time slot are sequentially connected to form frame structures.
In a second aspect, the present invention further provides kinds of base stations, including:
a sending module, configured to send th information to a user equipment UE, where the th information is used to instruct the UE to send uplink data by using an uplink timeslot in a preset frame structure;
and the acquisition module is used for acquiring the uplink data sent by the UE according to the preset frame structure.
Optionally, the frame structure includes: the time slot switching method comprises an uplink time slot, a downlink time slot, an uplink-downlink switching time slot and a downlink-uplink switching time slot.
Optionally, the number of slots per frame structure is 3200Ts, and the length of the slot is 25 ms.
Optionally, the number of the uplink and downlink conversion time slots is 19Ts, the number of the downlink time slots is 925Ts, the number of the downlink and uplink conversion time slots is 48Ts, and the number of the uplink time slots is 2208 Ts;
the uplink and downlink conversion time slots, the downlink and uplink conversion time slots and the uplink time slots are sequentially connected to form frame structures.
Optionally, the number of the uplink and downlink conversion time slots is 19Ts, the number of the downlink time slots is 925Ts, the number of the downlink and uplink conversion time slots is 48Ts, and the number of the uplink time slots is 2208 Ts;
the downlink time slot, the downlink and uplink switching time slot, the uplink time slot and the uplink and downlink switching time slot are sequentially connected to form frame structures.
According to the technical scheme, the data transmission method and the base station provided by the invention transmit uplink or downlink data in a preset frame structure mode, and the utilization rate of resources is greatly improved by adopting the method.
Drawings
FIG. 1 is a prior art physical layer frame structure;
FIG. 2 is a diagram of a prior art wireless communication system spectrum;
fig. 3 is a schematic flow chart of a transmission method of types of data according to an embodiment of the present invention ;
FIG. 4 is a block diagram illustrating a frame structure according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a frame structure according to another embodiment ;
fig. 6 is a schematic structural diagram of base stations according to an embodiment of the present invention .
Detailed Description
The following specific embodiments are described in detail with reference to the accompanying drawings, and the following examples are only for better clarity of the technical solution of the present invention, and should not be construed as limiting the scope of the present invention.
Fig. 3 is a schematic flow chart of a transmission method of types of data according to an embodiment of the present invention , as shown in fig. 3, the method includes the following steps:
301. a base station sends th information to User Equipment (UE), wherein the th information is used for indicating the UE to adopt an uplink time slot in a preset frame structure to send uplink data;
302. and the base station acquires uplink data sent by the UE according to the preset frame structure.
Specifically, the frame structure in step 302 includes an uplink timeslot, a downlink timeslot, an uplink/downlink switching timeslot, and a downlink/uplink switching timeslot, the number of timeslots per frame structure is 3200Ts, and the length of the timeslot is 25 ms.
As shown in fig. 4, the number of the uplink and downlink conversion timeslots is 19Ts, the number of the downlink timeslots is 925Ts, the number of the downlink and uplink conversion timeslots is 48Ts, and the number of the uplink timeslots is 2208 Ts;
the uplink and downlink conversion time slots, the downlink and uplink conversion time slots and the uplink time slots are sequentially connected to form frame structures.
As shown in fig. 5, the number of the uplink and downlink conversion timeslots is 19Ts, the number of the downlink timeslots is 925Ts, the number of the downlink and uplink conversion timeslots is 48Ts, and the number of the uplink timeslots is 2208 Ts;
the downlink time slot, the downlink and uplink switching time slot, the uplink time slot and the uplink and downlink switching time slot are sequentially connected to form frame structures.
The base station and the user equipment UE transmit data through the frame structure in the process of transmitting the data, and the method is particularly suitable for a discrete narrow-band communication system.
The present embodiment further provides kinds of base stations, as shown in fig. 6, the base station includes:
a sending module 61, configured to send th information to a user equipment UE, where the th information is used to instruct the UE to send uplink data by using an uplink timeslot in a preset frame structure;
an obtaining module 62, configured to obtain uplink data sent by the UE according to the preset frame structure.
In preferred embodiments of this embodiment, the frame structure includes an uplink timeslot, a downlink timeslot, an uplink/downlink switching timeslot, and a downlink/uplink switching timeslot.
In preferred embodiments of this embodiment, the number of slots per frame structure is 3200Ts, and the length of the slot is 25 ms.
In preferred embodiments of this embodiment, the number of the uplink and downlink conversion timeslots is 19Ts, the number of the downlink timeslots is 925Ts, the number of the downlink and uplink conversion timeslots is 48Ts, and the number of the uplink timeslots is 2208 Ts;
the uplink and downlink conversion time slots, the downlink and uplink conversion time slots and the uplink time slots are sequentially connected to form frame structures.
In preferred embodiments of this embodiment, the number of the uplink and downlink conversion timeslots is 19Ts, the number of the downlink timeslots is 925Ts, the number of the downlink and uplink conversion timeslots is 48Ts, and the number of the uplink timeslots is 2208 Ts;
the downlink time slot, the downlink and uplink switching time slot, the uplink time slot and the uplink and downlink switching time slot are sequentially connected to form frame structures.
However, it is understood that embodiments of the invention may be practiced without these specific details, and that examples well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (6)
1, A method for transmitting data, comprising:
a base station sends th information to User Equipment (UE), wherein the th information is used for indicating the UE to adopt an uplink time slot in a preset frame structure to send uplink data;
the base station acquires uplink data sent by the UE according to the preset frame structure; the frame structure includes: an uplink time slot, a downlink time slot, an uplink-downlink conversion time slot and a downlink-uplink conversion time slot;
the number of the uplink and downlink conversion time slots is 19Ts, the number of the downlink time slots is 925Ts, the number of the downlink and uplink conversion time slots is 48Ts, and the number of the uplink time slots is 2208 Ts;
the uplink and downlink conversion time slots, the downlink and uplink conversion time slots and the uplink time slots are sequentially connected to form frame structures.
2. The method of claim 1, wherein the number of slots per frame structure is 3200Ts and the length of the slot is 25 ms.
3. The method of claim 1, wherein the number of the uplink and downlink converting timeslots is 19Ts, the number of the downlink timeslots is 925Ts, the number of the downlink and uplink converting timeslots is 48Ts, and the number of the uplink timeslots is 2208 Ts;
the downlink time slot, the downlink and uplink switching time slot, the uplink time slot and the uplink and downlink switching time slot are sequentially connected to form frame structures.
The base station of , comprising:
a sending module, configured to send th information to a user equipment UE, where the th information is used to instruct the UE to send uplink data by using an uplink timeslot in a preset frame structure;
an obtaining module, configured to obtain uplink data sent by the UE according to the preset frame structure; the frame structure includes: an uplink time slot, a downlink time slot, an uplink-downlink conversion time slot and a downlink-uplink conversion time slot;
the number of the uplink and downlink conversion time slots is 19Ts, the number of the downlink time slots is 925Ts, the number of the downlink and uplink conversion time slots is 48Ts, and the number of the uplink time slots is 2208 Ts;
the uplink and downlink conversion time slots, the downlink and uplink conversion time slots and the uplink time slots are sequentially connected to form frame structures.
5. The base station of claim 4, wherein the number of slots per frame structure is 3200Ts, and the length of the slot is 25 ms.
6. The base station of claim 4, wherein the number of the uplink and downlink converting time slots is 19Ts, the number of the downlink time slots is 925Ts, the number of the downlink and uplink converting time slots is 48Ts, and the number of the uplink time slots is 2208 Ts;
the downlink time slot, the downlink and uplink switching time slot, the uplink time slot and the uplink and downlink switching time slot are sequentially connected to form frame structures.
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| CN201510563931.7A CN106506423B (en) | 2015-09-07 | 2015-09-07 | data transmission method and base station |
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| CN101814944A (en) * | 2009-02-25 | 2010-08-25 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN102811191A (en) * | 2011-05-31 | 2012-12-05 | 华为技术有限公司 | Data transmission method and device |
| CN103517423A (en) * | 2012-06-21 | 2014-01-15 | 中兴通讯股份有限公司 | Resource configuration method, device and system |
| CN103957564A (en) * | 2014-04-17 | 2014-07-30 | 北京创毅视讯科技有限公司 | Data transmission method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299871B (en) * | 2007-04-30 | 2012-07-25 | 电信科学技术研究院 | Method, system, base station and terminal for transmitting upstream detection pilot frequency |
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| CN101814944A (en) * | 2009-02-25 | 2010-08-25 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN102811191A (en) * | 2011-05-31 | 2012-12-05 | 华为技术有限公司 | Data transmission method and device |
| CN103517423A (en) * | 2012-06-21 | 2014-01-15 | 中兴通讯股份有限公司 | Resource configuration method, device and system |
| CN103957564A (en) * | 2014-04-17 | 2014-07-30 | 北京创毅视讯科技有限公司 | Data transmission method and device |
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