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Related papers: Achievable DoF Regions of MIMO Networks with Imper…

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The degrees of freedom (DoF) regions are characterized for the multiple-input multiple-output (MIMO) broadcast channel (BC), interference channels (IC) (including X and multi-hop interference channels) and the cognitive radio channel (CRC),…

Information Theory · Computer Science 2015-03-13 Chinmay S. Vaze , Mahesh K. Varanasi

We consider the temporally-correlated Multiple-Input Multiple-Output (MIMO) broadcast channels (BC) and interference channels (IC) where the transmitter(s) has/have (i) delayed channel state information (CSI) obtained from a latency-prone…

Information Theory · Computer Science 2016-11-17 Xinping Yi , Sheng Yang , David Gesbert , Mari Kobayashi

Most of the existing research on degrees-of-freedom (DoF) with imperfect channel state information at the transmitter (CSIT) assume the messages are private, which may not reflect reality as the two receivers can request the same content.…

Information Theory · Computer Science 2024-03-04 Tong Zhang , Yufan Zhuang , Gaojie Chen , Shuai Wang , Bojie Lv , Rui Wang , Pei Xiao

We consider the $K$-User Multiple-Input-Single-Output (MISO) Broadcast Channel (BC) where the transmitter, equipped with $M$ antennas, serves $K$ users, with $K \leq M$. The transmitter has access to a partial channel state information of…

Information Theory · Computer Science 2017-07-05 Enrico Piovano , Bruno Clerckx

We study the degrees of freedom (DoF) regions of the two-user multiple-input multiple-output (MIMO) broadcast channel with a general message set (BC-CM) - that includes private and common messages - under fast fading. Nine different channel…

Information Theory · Computer Science 2016-03-23 Yao Wang , Mahesh K. Varanasi

In this contribution, we focus on a frequency domain two-user Multiple-Input-Single-Output Broadcast Channel (MISO BC) where the transmitter has imperfect and (un)matched Channel State Information (CSI) of the two users in two subbands. We…

Information Theory · Computer Science 2013-10-25 Chenxi Hao , Bruno Clerckx

In this paper, we study the achievable degrees-of-freedom (DoF) regions of the $K$-user multiple-input-single-output (MISO) time correlated broadcast channel (BC). The time correlation induces knowledge of the current channel state…

Information Theory · Computer Science 2014-12-03 Yi Luo , Tharmalingam Ratnarajah , Anastasios K. Papazafeiropoulos

This contribution investigates the Degrees-of-Freedom region of a two-user frequency correlated Multiple-Input-Single-Output (MISO) Broadcast Channel (BC) with imperfect Channel State Information at the transmitter (CSIT). We assume that…

Information Theory · Computer Science 2013-10-25 Chenxi Hao , Borzoo Rassouli , Bruno Clerckx

The degrees of freedom (DoF) region of the fast-fading MIMO (multiple-input multiple-output) Gaussian broadcast channel (BC) is studied when there is delayed channel state information at the transmitter (CSIT). In this setting, the channel…

Information Theory · Computer Science 2011-12-26 Chinmay S. Vaze , Mahesh K. Varanasi

The degrees of freedom (DoF) region is characterized for the $2$-user multiple input multiple output (MIMO) broadcast channel (BC), where the transmitter is equipped with $M$ antennas, the two receivers are equipped with $N_1$ and $N_2$…

Information Theory · Computer Science 2019-01-21 Arash Gholami Davoodi , Syed A. Jafar

The two-user multiple-input multiple-output (MIMO) interference channel (IC) with arbitrary number of antennas at each terminal is considered and the degrees of freedom (DoF) region is characterized in the presence of noiseless channel…

Information Theory · Computer Science 2016-11-17 Ravi Tandon , Soheil Mohajer , H. Vincent Poor , Shlomo Shamai

The degrees of freedom (DoF) region of the two-user MIMO (multiple-input multiple-output) interference channel is established under a new model termed as hybrid CSIT. In this model, one transmitter has delayed channel state information…

Information Theory · Computer Science 2013-12-04 Kaniska Mohanty , Chinmay S. Vaze , Mahesh K. Varanasi

For the two-user multiple-input multiple-output (MIMO) broadcast channel with delayed channel state information at the transmitter (CSIT) and arbitrary antenna configurations, all the degrees-of-freedom (DoF) regions are obtained. However,…

Information Theory · Computer Science 2021-01-01 Tong Zhang , Rui Wang

An outer bound for the degrees of freedom (DoF) region of the K-user multiple-input single-output (MISO) broadcast channel (BC) is developed under the hybrid channel state information at transmitter (CSIT) model, in which the transmitter…

Information Theory · Computer Science 2013-12-05 Kaniska Mohanty , Mahesh K. Varanasi

We study the impact of heterogeneity of channel-state-information available at the transmitters (CSIT) on the capacity of broadcast channels with a multiple-antenna transmitter and $k$ single-antenna receivers (MISO BC). In particular, we…

Information Theory · Computer Science 2016-11-17 Sina Lashgari , Ravi Tandon , Salman Avestimehr

The degrees of freedom (DoF) of the multiple-input multiple-output (MIMO) Interference Broadcast Channel (IBC) with 2 cells and 2 users per cell are investigated when only delayed channel state information is available at the transmitter…

Information Theory · Computer Science 2016-11-17 Marc Torrellas , Adrian Agustin , Josep Vidal

Recently, the Degrees-of-Freedom (DoF) region of multiple-input-single-output (MISO) networks with imperfect channel state information at the transmitter (CSIT) has attracted significant attentions. An achievable scheme is known as…

Information Theory · Computer Science 2016-03-28 Chenxi Hao , Bruno Clerckx

The degrees of freedom (DoF) region of the 2-user multiple-antenna or MIMO (multiple-input, multiple-output) interference channel (IC) is studied under fast fading and the assumption of {\em delayed} channel state information (CSI) wherein…

Information Theory · Computer Science 2015-03-18 Chinmay S. Vaze , Mahesh K. Varanasi

We consider the MIMO (multiple-input multiple-output) Gaussian interference channel with i.i.d. fading across antennas and channel uses and with the delayed local channel state information at the transmitters (CSIT). For the two-user case,…

Information Theory · Computer Science 2015-03-19 Akbar Ghasemi , Abolfazl Seyed Motahari , Amir Keyvan Khandani

The impact of imperfect CSIT on the degrees of freedom (DoF) of a time correlated MISO Broadcast Channel has drawn a lot of attention recently. Maddah-Ali and Tse have shown that the completely stale CSIT still benefit the DoF. In very…

Information Theory · Computer Science 2012-11-20 Chenxi Hao , Bruno Clerckx
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