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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Prasad, R. Bhashyam, S. Chockalingam, A. |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Electr. Eng., Indian Inst. of Technol., Madras, Chennai, India (Bhashyam, S.) || Dept. of ECE, Indian Inst. of Sci., Bangalore, India (Prasad, R.; Chockalingam, A.) |
| Abstract | We study the Gaussian one-to-many interference network which is obtained as a special case of a general interference network, where only one transmitter generates interference in the network. We allow transmission of messages on all the links of the network. This communication model is different from the corresponding one-to-many interference channel. We formulate two transmission strategies for the above network, which involve using Gaussian codebooks and treating interference as noise at a subset of the receivers. We use sum-rate as the criterion of optimality for evaluating the strategies. For the first strategy, we characterize the sum-rate capacity under certain channel conditions, while for the second strategy, we derive a sum-rate outer bound and characterize the gap between the outer bound and the achievable sum-rate of the strategy. Next, we show that the solution approach for the second strategy has applications to the cascade Gaussian Z network, a network consisting of parallel point-to-point links, where each transmitter except the last has a communication link to the adjacent receiver. Lastly, we illustrate the regions corresponding to the derived channel conditions for each strategy. |
| Starting Page | 12 |
| Ending Page | 17 |
| File Size | 170306 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479930838 |
| DOI | 10.1109/WCNC.2014.6951914 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-04-06 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Receivers Transmitters Interference Noise Integrated circuits Equations Channel capacity sum capacity one-to-many interference network interference channel |
| Content Type | Text |
| Resource Type | Article |
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