Files and links (1)
SubmittedOpen Access (License Unspecified), Open
Journal article
Two-Way Transmission Capacity of Wireless Ad-hoc Networks
IEEE transactions on wireless communications, v 10(6), pp 1966-1975
Jun 2011
Abstract
The transmission capacity of an ad-hoc network is the maximum density of active transmitters per unit area, given an outage constraint at each receiver for a fixed rate of transmission. Most prior work on finding the transmission capacity of ad-hoc networks has focused only on one-way communication where a source communicates with a destination and no data is sent from the destination to the source. In practice, however, two-way or bidirectional data transmission is required to support control functions like packet acknowledgements and channel feedback. This paper extends the concept of transmission capacity to two-way wireless ad-hoc networks by incorporating the concept of a two-way outage with different rate requirements in both directions. Tight upper and lower bounds on the two-way transmission capacity are derived for frequency division duplexing. The obtained bounds are used to derive the optimal solution for bidirectional bandwidth allocation that maximizes the two-way transmission capacity, which is shown to perform better than allocating bandwidth proportional to the desired rate in both directions. Using the proposed two-way transmission capacity framework, a lower bound on the two-way transmission capacity with transmit beamforming using limited feedback is derived as a function of bandwidth and the number of bits allocated for feedback.
Metrics
Details
- Title
- Two-Way Transmission Capacity of Wireless Ad-hoc Networks
- Creators
- Rahul Vaze - Sch. of Technol. & Comput. Sci., Tata Inst. of Fundamental Res., Mumbai, IndiaKien T Truong - Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USASteven Weber - Dept. of Electr. & Comput. Eng., Drexel Univ., Philadelphia, PA, USARobert W Heath - Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
- Publication Details
- IEEE transactions on wireless communications, v 10(6), pp 1966-1975
- Publisher
- IEEE
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:000291887900032
- Scopus ID
- 2-s2.0-79959541683
- Other Identifier
- 991014878387104721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Engineering, Electrical & Electronic
- Telecommunications