Method for transmitting data, method for receiving data, and device

• US 9,655,111 B2
• Filed: 04/02/2015
• Issued: 05/16/2017
• Est. Priority Date: 10/15/2012
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Yang, Xun, Zhao, Mu, Jiang, Yanping
• Primary Examiner(s): Jung, Min
• Application Number:
  US14/677,263
• Publication Number:
  US 20150230247A1
• Time in Patent Office: 775 Days
• Field of Search: None
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: H04L 1/1854 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04W 4/90 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• CPC Class Codes: H04W 56/00 Synchronisation arrangements
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/51 based on terminal or device properties
• CPC Class Codes: H04W 72/543 based on requested quality, e.g. QoS
• CPC Class Codes: H04W 8/20 Transfer of user or subscriber data
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

The present invention provides a method for transmitting data, a method for receiving data and a device. The transmitting method includes: transmitting, by an STA, characterizing information to an AP, the characterizing information is used to characterize a maximum transmission delay allowed by uplink data to be transmitted by the STA; receiving, by the STA, transmission time that is specified for the STA and returned by the AP within the maximum transmission delay allowed by the uplink data to be transmitted by the STA, wherein the transmission time is within a range of the maximum transmission delay allowed by the uplink data to be transmitted by the STA; and transmitting, by the STA, the uplink data to the AP within the transmission time. Technical solutions of the present invention solve a problem of data transmission in an emergency application scenario, and guarantee requirements placed by emergency data upon transmission delay.

Claims

1. A method for transmitting data, the method comprising:

transmitting, by a station (STA) to a radio access point (AP), characterizing information, including an emergency identifier that identifies uplink data to be transmitted by the STA as emergency data, used to characterize a maximum transmission delay allowed for uplink data to be transmitted by the STA;

receiving, by the STA, transmission time specified for the STA and returned by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the transmission time is within a range of the maximum transmission delay allowed for the uplink data to be transmitted by the STA; and

transmitting, by the STA, the uplink data to the AP within the transmission time.

2. The method for transmitting data according to claim 1, wherein, receiving, by the STA, the transmission time specified for the STA and returned by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA comprises:

receiving, by the STA, a first acknowledgement response transmitted by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the first acknowledgement response comprises the specified transmission time.

3. The method for transmitting data according to claim 1, wherein, receiving, by the STA, the transmission time specified for the STA and returned by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA comprises:

receiving, by the STA, a beacon frame transmitted by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the beacon frame comprises an identifier of the STA and of the transmission time.

4. The method for transmitting data according to claim 1, wherein, transmitting, by the STA, the characterizing information to the radio access point AP comprises:

transmitting, by the STA to the AP, one of a first added control frame, a first added management frame, a first extended control frame, a first extend management frame and a first extended data frame, wherein the first added control frame, the first added management frame, the first extended control frame, the first extended management frame, or the first extended data frame comprises the characterizing information.

5. The method for transmitting data according to claim 1, wherein before transmitting, by the station STA, the characterizing information to the radio access point AP, the method further comprises:

transmitting, by the STA to the AP, the maximum transmission delay allowed for the uplink data to be transmitted by the STA and which corresponds to the emergency identifier, so that the AP determines the maximum transmission delay allowed for the uplink data to be transmitted by the STA according to the emergency identifier.

6. The method for transmitting data according to claim 5, wherein, transmitting, by the STA to the AP, the maximum transmission delay allowed for the uplink data to be transmitted by the STA and which corresponds to the emergency identifier, comprises:

transmitting, by the STA to the AP, one of a second added control frame, a second added management frame, a second extended control frame, a second extended management frame, and a second extended data frame, wherein the second added control frame, the second added management frame, the second extended control frame, the second extended management frame, or the second extended data frame comprises;

the maximum transmission delay allowed for the uplink data to be transmitted by the STA.

7. A method for receiving data, the method comprising:

receiving, by a radio access point (AP), characterizing information, including an emergency identifier that identifies uplink data to be transmitted by the STA as emergency data, transmitted by a station (STA), and used to characterize a maximum transmission delay allowed for uplink data to be transmitted by the STA;

maintaining, by the AP, a corresponding relation between the emergency identifier sent by the STA and the maximum transmission delay allowed for the emergency data on the STA;

returning, by the AP, transmission time specified for the STA to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the transmission time is within a range of the maximum transmission delay allowed for the uplink data to be transmitted by the STA; and

receiving, by the AP, the uplink data transmitted by the STA within the transmission time.

8. The method for receiving data according to claim 7, wherein, returning, by the AP, the transmission time specified for the STA to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA comprises:

transmitting, by the AP, a first acknowledgement response to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the first acknowledgement response includes the specified time.

9. The method for receiving data according to claim 7, wherein, returning, by the AP, the transmission time specified for the STA to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA comprises:

transmitting, by the AP, a beacon frame to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the beacon frame includes an identifier of the STA and the specified time.

10. The method for receiving data according to claim 9, wherein, the beacon frame also includes:

identifiers of other STAs besides the STA and transmission times specified by the AP for the other STAs within a range of the maximum transmission delay allowed for the uplink data to be transmitted by the other STAs.

11. The method for receiving data according to claim 7, wherein, receiving, by the AP, the characterizing information transmitted by the STA comprises:

receiving, by the AP, one of a first added control frame including the characterizing information, a first added management frame including the characterizing information, a first extended control frame including the characterizing information, a first extended management frame including the characterizing information, and a first extended data frame including the characterizing information transmitted by the STA.

12. The method for receiving data according to claim 7, wherein before receiving, by the AP, the characterizing information transmitted by the STA, the method further comprises:

receiving, by the AP, the maximum transmission delay allowed for the uplink data to be transmitted by the STA which corresponds to the emergency identifier and is transmitted by the STA.

13. The method for receiving data according to claim 12, wherein, receiving, by the AP, the maximum transmission delay allowed for the uplink data to be transmitted by the STA which corresponds to the emergency identifier and is transmitted by the STA comprises:

receiving, by the AP, one of a second added control frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second added management frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second extended control frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second extended management frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, and a second extended data frame transmitted by the STA and including the maximum transmission delay allowed for the uplink data to be transmitted by the STA.

14. A station (STA), comprising:

a processor; and

a non-transitory computer-readable storage medium including computer-executable instructions executed by the processor to perform, on the STA, the method comprising;

transmitting, to a radio access point (AP), characterizing information, including an emergency identifier that identifies uplink data to be transmitted by the STA as emergency data, used to characterize a maximum transmission delay allowed for uplink data to be transmitted by the STA;

receiving transmission time specified for the STA and returned by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the transmission time is within a range of the maximum transmission delay allowed for the uplink data to be transmitted by the STA; and

transmitting the uplink data to the AP within the transmission time.

15. The STA according to claim 14 further comprising instructions for receiving a first acknowledgement response including the specified time and transmitted by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA.

16. The STA according to claim 14, further comprising instructions for receiving a beacon frame including an identifier of the STA and the transmission time and transmitted by the AP within the maximum transmission delay allowed for the uplink data to be transmitted by the STA.

17. The STA according to claim 14, further comprising instructions for

transmitting, to the AP, one of a first added control frame including the characterizing information, a first added management frame including the characterizing information, a first extended control frame including the characterizing information, a first extend management frame including the characterizing information, and a first extended data frame including the characterizing information.

18. The STA according to claim 14, further comprising instructions for

transmitting, to the AP before the first transmitting module transmits the characterizing information to the AP, the maximum transmission delay allowed for the uplink data to be transmitted by the STA which corresponds to the emergency identifier, so that the AP determines the maximum transmission delay allowed for the uplink data to be transmitted by the STA according to the emergency identifier.

19. The STA according to claim 18, further comprising instructions for

transmitting, to the AP, one of a second added control frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second added management frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second extended control frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second extended management frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, and a second extended data frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA.

20. A radio access point AP, characterized by comprising:

a processor; and

a non-transitory computer-readable storage medium including computer-executable instructions executed by the processor to perform, on the STA, the method comprising;

receiving characterizing information, including an emergency identifier that identifies uplink data to be transmitted by the STA as emergency data, transmitted by a station (STA) and used to characterize a maximum transmission delay allowed for uplink data to be transmitted by the STA;

returning transmission time specified for the STA to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA, wherein the transmission time is within a range of the maximum transmission delay allowed for the uplink data to be transmitted by the STA; and

receiving the uplink data transmitted by the STA within the transmission time.

21. The AP according to claim 20, further comprising instructions for transmitting a first acknowledgement response including the specified time to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA.

22. The AP according to claim 20, further comprising instructions for transmitting a beacon frame including an identifier of the STA and the specified time to the STA within the maximum transmission delay allowed for the uplink data to be transmitted by the STA.

23. The AP according to claim 20, further comprising instructions for

receiving one of a first added control frame including the characterizing information, a first added management frame including the characterizing information transmitted by the STA, a first extended control frame including the characterizing information, a first extend management frame including the characterizing information, and a first extended data frame including the characterizing information transmitted by the STA.

24. The AP according to claim 20, further comprising instructions for

receiving, before the first receiving module receives the characterizing information, the maximum transmission delay allowed for the uplink data to be transmitted by the STA which corresponds to the emergency identifier and is transmitted by the STA.

25. The AP according to claim 24, further comprising instructions for

receiving one of a second added control frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second added management frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA and transmitted by the STA, a second extended control frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, a second extended management frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA, and a second extended data frame including the maximum transmission delay allowed for the uplink data to be transmitted by the STA and transmitted by the STA.