CN-122028148-A - Communication method, communication device, and computer-readable storage medium
Abstract
A communication method, a communication device and a computer readable storage medium relate to the technical field of communication. In the scheme of the application, each N continuous radio frames comprise a single activated downlink frame or each N continuous radio frames comprise M continuous activated downlink frames, and the method comprises at least one of receiving NPSS (non-point source signaling) in a first radio frame, receiving NSSS in a second radio frame, wherein the second radio frame is the activated downlink frame, receiving NPBCH transmission in a third radio frame, wherein the third radio frame is the activated downlink frame, receiving SIB1-NB in a fourth radio frame, and the fourth radio frame is the activated downlink frame, wherein N, M is a positive integer greater than 1, and M is smaller than N. The scheme provided by the application can realize non-connection transmission of the network equipment in the narrowband internet of things system, and is beneficial to energy conservation of a network.
Inventors
- LEI ZHENZHU
- GU LEI
Assignees
- 展讯半导体(南京)有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20241111
Claims (20)
- 1. A communication method, characterized in that each N consecutive radio frames comprises an active downlink frame or each N consecutive radio frames comprises M consecutive active downlink frames, the method comprising receiving a narrowband primary synchronization signal NPSS in a first radio frame, the first radio frame being the active downlink frame; and/or receiving a narrowband secondary synchronization signal NSSS in a second radio frame, where the second radio frame is the activated downlink frame; And/or receiving a narrowband physical broadcast channel NPBCH in a third radio frame, where the third radio frame is the activated downlink frame; and/or receiving a narrowband system information block SIB1-NB in a fourth radio frame, where the fourth radio frame is the activated downlink frame; wherein N, M are positive integers greater than 1, and M is less than N.
- 2. The communication method according to claim 1, wherein the frame number SFN of the first radio frame satisfies SFN mod N=0; or each N continuous radio frames comprises M continuous activated downlink frames, and the frame number SFN of the first radio frame meets the condition that SFN mod N=i, wherein i is an integer, and 0≤i≤M-1.
- 3. The communication method of claim 1, wherein the frame number SFN of the second radio frame satisfies SFN mod N = 0.
- 4. The communication method of claim 1, wherein each N consecutive radio frames comprises one of the active downlink frames, and wherein the NPBCH transmissions satisfy the following: The NPBCH transmissions occupy 2 subframes in the third radio frame; and/or the frame number SFN of the third radio frame satisfies SFN mod n=0; and/or NPBCH transmission periods of 32×n radio frames; And/or, the frame number SFN of the starting radio frame of NPBCH transmission periods satisfies SFN mod (32×n) =0; and/or one NPBCH transmission period is used for transmitting 8 NPBCH blocks, and one third radio frame is used for carrying one NPBCH block.
- 5. The communication method of claim 1, wherein each N consecutive radio frames comprises M consecutive active downlink frames, and wherein the NPBCH transmissions satisfy: the NPBCH transmission occupies Q subframes in the third radio frame, Q is a positive integer; And/or the frame number SFN of the third wireless frame meets the requirement that SFN mod j=0, wherein j is an integer which is more than or equal to 0 and less than or equal to L-1; and/or NPBCH transmission period is A radio frame; And/or, the frame number SFN of the starting radio frame of NPBCH transmission periods satisfies the SFN mod And/or one NPBCH transmission period is used for transmitting 8 NPBCH blocks, and one third radio frame is used for carrying one NPBCH block; wherein L is a positive integer, and L is more than or equal to 1 and less than or equal to M.
- 6. The communication method according to claim 1, wherein the frame number SFN of the second radio frame satisfies SFN mod (2 x N) = 0.
- 7. The communication method of claim 1, wherein each N consecutive radio frames comprises one of the active downlink frames, and wherein the NPBCH transmissions satisfy: the NPBCH transmission occupies one subframe in the third radio frame; and/or the frame number SFN of the third radio frame satisfies SFN mod n=0; and/or NPBCH transmission periods of 64×n radio frames; and/or, the frame number SFN of the starting radio frame of NPBCH transmission periods satisfies SFN mod (64×n) =0; and/or one NPBCH transmission period is used for transmitting 8 NPBCH blocks, and one third radio frame is used for carrying one NPBCH block.
- 8. The communication method according to claim 1, wherein the SIB1-NB occupies X subframes in the fourth radio frame, X being a positive integer.
- 9. The communication method according to claim 8, wherein X is a positive integer greater than 1.
- 10. The communication method according to claim 8, wherein the SIB1-NB satisfies: the SIB1-NB transmission period is as follows: A radio frame; and/or, in a SIB1-NB transmission period, the SIB1-NB is repeatedly transmitted for a plurality of times, and each transmission occupies A radio frame; And/or the frame number of the initial radio frame of SIB1-NB transmission period satisfies SFN mod Wherein, the Y depends on the repeated transmission times of the SIB1-NB and the cell identification of the current cell; Wherein K is a positive integer, and K is more than or equal to 1 and less than or equal to M.
- 11. A communication method, characterized in that every N consecutive radio frames comprises an active downlink frame or every N consecutive radio frames comprises M consecutive active downlink frames, the method comprising transmitting a narrowband primary synchronization signal NPSS in a first radio frame, the first radio frame being the active downlink frame; And/or transmitting a narrowband secondary synchronization signal NSSS in a second radio frame, wherein the second radio frame is the activated downlink frame; and/or transmitting narrowband physical broadcast channel NPBCH transmission in a third radio frame, where the third radio frame is the activated downlink frame; And/or transmitting a narrowband system information block SIB1-NB in a fourth radio frame, wherein the fourth radio frame is the activated downlink frame; wherein N, M are positive integers greater than 1, and M is less than N.
- 12. The communication method according to claim 11, wherein the frame number of the first radio frame SFN satisfies SFN mod n=0; or each N continuous radio frames comprises M continuous activated downlink frames, and the frame number SFN of the first radio frame meets the condition that SFN mod N=i, wherein i is an integer, and 0≤i≤M-1.
- 13. The communication method of claim 11, wherein the frame number SFN of the second radio frame satisfies SFN mod N = 0.
- 14. The communication method of claim 11, wherein each N consecutive radio frames comprises one of the active downlink frames, and wherein the NPBCH transmissions satisfy at least one of: The NPBCH transmissions occupy 2 subframes in the third radio frame; and/or the frame number SFN of the third radio frame satisfies SFN mod n=0; and/or NPBCH transmission periods of 32×n radio frames; And/or, the frame number SFN of the starting radio frame of NPBCH transmission periods satisfies SFN mod (32×n) =0; and/or one NPBCH transmission period is used for transmitting 8 NPBCH blocks, and one third radio frame is used for carrying one NPBCH block.
- 15. The communication method of claim 11, wherein each N consecutive radio frames comprises M consecutive active downlink frames, the NPBCH transmissions satisfy at least one of the NPBCH transmissions occupying Q subframes in the third radio frame, Q being a positive integer; And/or the frame number SFN of the third wireless frame meets the requirement that SFN mod j=0, wherein j is an integer which is more than or equal to 0 and less than or equal to L-1; and/or NPBCH transmission period is A radio frame; And/or, the frame number SFN of the starting radio frame of NPBCH transmission periods satisfies the SFN mod And/or one NPBCH transmission period is used for transmitting 8 NPBCH blocks, and one third radio frame is used for carrying one NPBCH block; wherein L is a positive integer, and L is more than or equal to 1 and less than or equal to M.
- 16. The communication method of claim 11, wherein the frame number SFN of the second radio frame satisfies SFN mod (2 x N) = 0.
- 17. The communication method of claim 11, wherein each N consecutive radio frames comprises one of the active downlink frames, and wherein the NPBCH transmissions satisfy at least one of: the NPBCH transmission occupies one subframe in the third radio frame; and/or the frame number SFN of the third radio frame satisfies SFN mod n=0; and/or NPBCH transmission periods of 64×n radio frames; and/or, the frame number SFN of the starting radio frame of NPBCH transmission periods satisfies SFN mod (64×n) =0; and/or one NPBCH transmission period is used for transmitting 8 NPBCH blocks, and one third radio frame is used for carrying one NPBCH block.
- 18. The communication method according to claim 11, wherein the SIB1-NB occupies X subframes in the fourth radio frame, X being a positive integer.
- 19. The communication method of claim 18, wherein X is a positive integer greater than 1.
- 20. The communication method according to claim 18, wherein the SIB1-NB satisfies: the SIB1-NB transmission period is as follows: A radio frame; and/or, in a SIB1-NB transmission period, the SIB1-NB is repeatedly transmitted for a plurality of times, and each transmission occupies A radio frame; And/or the frame number of the initial radio frame of SIB1-NB transmission period satisfies SFN mod Wherein, the Y depends on the repeated transmission times of the SIB1-NB and the cell identification of the current cell; Wherein K is a positive integer, and K is more than or equal to 1 and less than or equal to M.
Description
Communication method, communication device, and computer-readable storage medium Technical Field The present application relates to the field of communications technologies, and in particular, to a communications method, a communications device, and a computer readable storage medium. Background The narrowband internet of things (Narrow Band Internet of Things, NB-IoT) is an important branch of the internet of everything. The NB-IoT is built in a cellular network and can be directly deployed in a global system for mobile communications (Global System for Mobile Communications, GSM) network, a universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) network, or a long term evolution (Long Term Evolution) network to reduce deployment costs and achieve smooth upgrades. With the continuous development and application of communication technology, human beings put higher demands on network energy conservation. How to further implement network power saving in NB-IoT systems is one of the problems to be solved in the communication field. Disclosure of Invention The technical aim of the embodiment of the application is to provide a communication method, a communication device and a computer readable storage medium, which can realize energy conservation of a network side in a narrowband internet of things system. In a first aspect, an embodiment of the present application provides a communication method, where each N consecutive radio frames includes one activated downlink frame, or each N consecutive radio frames includes M consecutive activated downlink frames, and the method includes receiving, in a first radio frame, a narrowband primary synchronization signal NPSS, where the first radio frame is an activated downlink frame, and/or receiving, in a second radio frame, a narrowband secondary synchronization signal NSSS, where the second radio frame is an activated downlink frame, and/or receiving, in a third radio frame, a narrowband physical broadcast channel NPBCH, where the third radio frame is an activated downlink frame, and/or receiving, in a fourth radio frame, a narrowband system information block SIB1-NB, where N, M is a positive integer greater than 1 and M is less than N. In the above scheme, the network device only transmits at least one of NPSS, NSSS, NPBCH and SIB1-NB on the activated downlink frame, so that discontinuous transmission of the network device is realized, and energy conservation of the network side in the NB-IoT system is facilitated. Optionally, the frame number SFN of the first radio frame satisfies SFN mod N=0, or each N continuous radio frames comprises M continuous activated downlink frames, wherein the frame number SFN of the first radio frame satisfies SFN mod N=i, i is an integer, and 0 is less than or equal to i is less than or equal to M-1. In the case that the network device only transmits the NPSS on the activated downlink frame, the terminal device can determine the time domain resource location of the NPSS through the above scheme. Optionally, the frame number SFN of the second radio frame satisfies SFN mod n=0. In the case that the network device only transmits NSSS on the activated downlink frame, the terminal device can determine the time domain resource location of NSSS through the above scheme. Optionally, each N consecutive radio frames comprises a single said active downlink frame, said NPBCH transmissions being satisfied that said NPBCH transmissions occupy 2 subframes in said third radio frame, and/or that a frame number SFN of said third radio frame is satisfied that SFN mod N=0, and/or that a NPBCH transmission period is 32×N radio frames, and/or that a frame number SFN of a starting radio frame of a NPBCH transmission period is satisfied that SFN mod 32×N=0, and/or that a single NPBCH transmission period is used for transmitting 8 NPBCH blocks, and that one said third radio frame is used for carrying one NPBCH block. In case the network device only sends NPBCH on the activated downlink frame, the terminal device can determine NPBCH the time domain resources by the above scheme. Optionally, each N consecutive radio frames comprises M consecutive active downlink frames, the NPBCH transmissions are satisfied that the NPBCH transmissions occupy Q subframes in the third radio frame, Q is a positive integer, and/or that the frame number SFN of the third radio frame is satisfied that SFN mod j=0, where j is an integer and 0≤j≤L-1, and/or that the NPBCH transmission period isAnd/or the frame number SFN of the starting radio frame of NPBCH transmission periods satisfies: And/or, a single NPBCH transmission period is used for transmitting 8 NPBCH blocks, and one third radio frame is used for bearing one NPBCH block, wherein L is a positive integer, and L is more than or equal to 1 and less than or equal to M. In case the network device only sends NPBCH on the activated downlink frame, the terminal device can determine NPBCH the time do