TRANSMITTING AND RECEIVING DATA BASED ON MULTIPATH

• US 20140092809A1
• Filed: 10/25/2013
• Published: 04/03/2014
• Est. Priority Date: 09/29/2012
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Guo, Chang Jie, Lin, Hongbin, Ma, Qian, Wang, Qing, Yang, Lin, Zhang, Ji Zheng, Xie, Su Su
• Granted Patent: US 9,503,959 B2
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: H04L 45/121 by minimising delays
• CPC Class Codes: H04L 45/24 Multipath
• CPC Class Codes: H04L 47/29 using a combination of thresholds
• CPC Class Codes: H04L 47/50 Queue scheduling
• CPC Class Codes: H04L 69/324 in the data link layer [OSI layer 2], e.g. HDLC
• CPC Class Codes: H04W 40/08 based on transmission power
• CPC Class Codes: H04W 40/12 based on transmission quality or channel quality
• CPC Class Codes: H04W 40/14 based on stability
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: Y02D 30/00 Reducing energy consumption in communication networks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems.

Claims

1. An apparatus for transmitting data based on multipath, comprising:

an establishing module configured to establish Worldwide Interoperability for Microwave Access (WiMAX) connection-based multiple paths between a first device and a second device;

a transmitting module configured to transmit data frames in a data queue in the multiple paths;

an obtaining module configured to obtain a quality condition of the multiple paths; and

an adjusting module configured to adjust the transmission of the data frames in the data queue in the multiple paths based on the quality condition.

2. The apparatus according to claim 1, wherein the apparatus is implemented on a Medium Access Control (MAC) layer.

3. The apparatus according to claim 1, wherein the adjusting module comprises:

a data transmitting module configured to, in response to the quality condition of each of the multiple paths satisfying a first threshold range, transmit same data frames in the data queue in each of the multiple paths;

wherein the first threshold range is a range of values associated with the quality condition.

4. The apparatus according to claim 1, wherein the adjusting module further comprises:

a balancing module configured to, in response to the quality condition of at least one of the multiple paths satisfying a second threshold range, balance the transmission traffic in each of the multiple paths;

wherein the second threshold range is a range of values associated with the quality condition.

5. The apparatus according to claim 4, wherein the balancing module comprises:

a first predicting module configured to predict a predicted completion time that is spent in transmitting one data frame in each of the multiple paths; and

a first transmitting module configured to transmit the data frames in a path corresponding to a shortest predicted completion time.

6. The apparatus according to claim 4, wherein the balancing module comprises:

a second predicting module configured to predict power consumption for transmitting one data frame in each of the multiple paths; and

a second transmitting module configured to transmit the data frames in a path corresponding to a minimum power consumption.

7. The apparatus according to claim 1, wherein the quality condition is any one or combination of:

Block Error Rate, Quality of Service Indicator and Channel Quality Indicator.

8. The apparatus according to claim 1, wherein the first device and the second device are a base station and an access device, respectively.

9. An apparatus for receiving data based on multipath, comprising:

an establishing module configured to establish Worldwide Interoperability for Microwave Access (WiMAX) connection-based multiple paths between a first device and a second device;

a receiving module configured to receive a plurality of data frames in the multiple paths; and

a processing module configured to process the received plurality of data frames based on a quality condition of the multiple paths.

10. The apparatus according to claim 9, wherein the apparatus is implemented on a Medium Access Control (MAC) layer.

11. The apparatus according to claim 9, wherein the processing module comprises:

a selecting module configured to, for the plurality of data frames, in response to the quality condition of each of the multiple paths satisfying a first threshold range, select correct data frames from the plurality of data frames,

wherein the first threshold range is a range of values associated with the quality condition.

12. The apparatus according to claim 9, wherein the processing module comprises:

a connection module configured to, for the plurality of data frames, in response to the quality condition of at least one of the multiple paths satisfying a second threshold range, connect the plurality of data frames according to frame serial numbers or timestamps in the plurality of data frames, wherein the second threshold range is a range of values associated with the quality condition.

13. The apparatus according to claim 9, wherein the quality condition is any one or combination of:

Block Error Rate, Quality of Service Indicator and Channel Quality Indicator.

14. The apparatus according to claim 9, wherein the first device and the second device are a base station and an access device, respectively.