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## Hierarchical radio resource optimization for heterogeneous networks with enhanced inter-cell interference coordination (eICIC (2014)

Venue: | IEEE Trans. Signal Process |

Citations: | 1 - 0 self |

### Citations

7393 | Convex Optimization
- Boyd
- 2001
(Show Context)
Citation Context ...nd UPI is the set of pico cell I-users. It is easy to verify that ImA,k ( Q∗A|qA , piA ) ,∀k ∈ UA is a concave function w.r.t. qA for fixed piA. Using the vector composition rule for concave function =-=[20]-=-, the objective in (9) is also concave w.r.t. qA and thus problem (9) is convex w.r.t. qA for fixed piA. For fixed qA, ImA,k ( Q∗A|qA , piA ) ,∀k ∈ UA is a linear function of the user scheduling varia... |

1935 |
Rate control for communication networks: shadow prices, proportional fairness and stability
- Kelly, Maulloo, et al.
- 1998
(Show Context)
Citation Context ... used to compromise between the fairness to users and the utilization of resources. The utility function is U (r) = {∑K k=1 log (rk) , α = 1,∑K k=1 (1− α)−1 r1−αk , otherwise. (3) • Proportional Fair =-=[15]-=-: This is a special case of α-Fair when α = 1. Due to the statistical symmetry of the M subbands, there is no loss of optimality to consider symmetric policy Λs = {qs, QA, QB , piA, piB}, where Qm = Q... |

667 | Fair end-to-end window-based congestion control
- Mo, Walrand
- 2000
(Show Context)
Citation Context ...acilitate the problem decomposition in Section III-B. This utility function captures a lot of interesting cases below. • Weighted Sum Throughput: The utility function is U (r) = ∑K k=1 wkrk. • α-Fair =-=[14]-=-: α-Fair can be used to compromise between the fairness to users and the utilization of resources. The utility function is U (r) = {∑K k=1 log (rk) , α = 1,∑K k=1 (1− α)−1 r1−αk , otherwise. (3) • Pro... |

120 | Coordinated beamforming for the multicell multi-antenna wireless system
- Dahrouj, Yu
- 2010
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Citation Context ...r interference under a game-based optimization by each sector. The coordinated multipoint transmission (CoMP) [6] is another important technique to handle the inter-cell interference. For example, in =-=[7]-=-, the authors exploited the uplinkdownlink duality to do joint optimization of power allocation and beamforming vectors. In [8], a WMMSE algorithm is This work is funded by Huawei Technologies. propos... |

118 | Convergence of proportional-fair sharing algorithms under general conditions
- Kushner, Whiting
- 2004
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Citation Context ...the knowledge of the average data rate r(T )k under q (T ) A and pi (T ) A . We adopt a reasonable approximation on r(T )k using a moving average data rate Rk (t) ,∀t ∈ [TLS , (T + 1)LS − 1] given by =-=[16]-=- Rk (t) = t− TLS + 1 t− TLS + 2Rk (t− 1) + 1 t− TLS + 2rk (t− 1) , (10) where rk (t) is the data rate delivered to user k at subframe t. Remark 2. If we replace r(T )k in step 1 of Algorithm AO_A with... |

116 | A survey on networking games in telecommunications
- Altman, Boulogne, et al.
- 2006
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Citation Context ...here has been much research conducted on RRM optimization for traditional cellular networks. In [1], [2], the authors considered power and user scheduling in single-carrier cellular networks. In [3], =-=[4]-=-, the game theoretical approaches are proposed for distributed resource allocation. In [5], the authors proposed a dynamic fractional frequency reuse scheme to combat the inter-sector interference und... |

83 | Self-organizing dynamic fractional frequency reuse in OFDMA systems
- Stolyar, Viswanathan
- 2008
(Show Context)
Citation Context ...s. In [1], [2], the authors considered power and user scheduling in single-carrier cellular networks. In [3], [4], the game theoretical approaches are proposed for distributed resource allocation. In =-=[5]-=-, the authors proposed a dynamic fractional frequency reuse scheme to combat the inter-sector interference under a game-based optimization by each sector. The coordinated multipoint transmission (CoMP... |

81 |
Coordinated multipoint: Concepts, performance, and field trial results
- Irmer, Droste, et al.
- 2011
(Show Context)
Citation Context ...the authors proposed a dynamic fractional frequency reuse scheme to combat the inter-sector interference under a game-based optimization by each sector. The coordinated multipoint transmission (CoMP) =-=[6]-=- is another important technique to handle the inter-cell interference. For example, in [7], the authors exploited the uplinkdownlink duality to do joint optimization of power allocation and beamformin... |

75 |
An iteratively weighted MMSE approach to distributed sum-utility maximization for a MIMO interfering broadcast channel
- Shi, Razaviyayn, et al.
- 2011
(Show Context)
Citation Context ...portant technique to handle the inter-cell interference. For example, in [7], the authors exploited the uplinkdownlink duality to do joint optimization of power allocation and beamforming vectors. In =-=[8]-=-, a WMMSE algorithm is This work is funded by Huawei Technologies. proposed to find a stationary point of the weighted sum-rate maximization problem for multi-cell downlink systems. While the above al... |

31 | Joint base station clustering and beamformer design for partial coordinated transmission in heterogenous networks,” 2012, accepted by
- Hong, Sun, et al.
(Show Context)
Citation Context ...achieved. However, this also causes several new technical challenges as elaborated below. 1While there are a lot of works using multi-antenna techniques (CoMP) to mitigate interference in HetNet [7], =-=[13]-=-, such approaches require accurate knowledge of at least the cross-link CSIT at each macro and pico BS, which is not realistic in practice. As a result, the LTE-A working groups are actively studying ... |

19 | Segmentation as maximum-weight independent set
- Brendel, Todorovic
- 2010
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Citation Context ...pt to the large scale fading. In step 1 of Algorithm B2, the complexity of solving the convex problem (27) is polynomial w.r.t. ∣∣Θ(i)∣∣ ≤ |UB |+1. In step 2 of Algorithm B2, if the MWIS algorithm in =-=[19]-=- is used to solve problem (28), the complexity is O (|EI |), where |EI | is the number of edges in the interference graph GI (GT ) = {L, EI}. VII. CONCLUSION We propose a two-timescale hierarchical RR... |

17 | Throughput scaling laws for wireless networks with fading channels
- Ebrahimi, Maddah-Ali, et al.
- 2007
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Citation Context ...ad to severe interference problem, it is extremely critical to control interference via RRM in HetNet. There has been much research conducted on RRM optimization for traditional cellular networks. In =-=[1]-=-, [2], the authors considered power and user scheduling in single-carrier cellular networks. In [3], [4], the game theoretical approaches are proposed for distributed resource allocation. In [5], the ... |

16 | Cooperative multicell zero-forcing beamforming in cellular downlink channels
- Somekh, Simeone, et al.
- 2009
(Show Context)
Citation Context ...e is dynamically chosen to maximize the proportional fairness utility. • Baseline 3 (Clustered CoMP): 3 neighbor macro BSs and the associated pico BSs form a cluster for cooperative zero-forcing (ZF) =-=[18]-=- with per BS power constraint. 10 Parameters Values Network layout 19 eNBs, 3-cell sites, 4 picos per sector (site) Number of UE per cell site 30 BS transmit power Macro: 46 dBm, Pico 30 dBm Channel m... |

15 | Rate scaling laws in multicell networks under distributed power control and user scheduling - Gesbert, Kountouris - 2011 |

10 |
Performance analysis of enhanced inter-cell interference coordination in LTE-Advanced heterogeneous networks
- Wang, Pedersen
(Show Context)
Citation Context ...iles in the pico cell may suffer from strong interference from the macro BSs. To solve these problems, some eICIC techniques, such as the ABS control [9], have been proposed in LTE and LTE-A [10]. In =-=[11]-=-, the authors analyzed the performance for ABS in HetNet under different cell range extension (RE) biases. However, they focused on numerical analysis for the existing heuristic eICIC schemes, which a... |

7 | Fractional frequency reuse and interference suppression for OFDMA networks
- Ghaffar, Knopp
(Show Context)
Citation Context ...static synchronized ABS): Proportional fair scheduling and static synchronized ABS are used. The ABS is transmitted synchronously among the macro BS with 1/8 blanking rate. Fractional frequency reuse =-=[17]-=- with factor 1/3 is applied to the outer zone of each macro to protect the cell edge users. • Baseline 2 (FFR with dynamic synchronous ABS) [12]: Baseline 2 is the same as baseline 1, except that the ... |

6 |
Optimized time-domain resource partitioning for enhanced inter-cell interference coordination in heterogeneous networks,”
- Pang, Wang, et al.
- 2012
(Show Context)
Citation Context ...nce for ABS in HetNet under different cell range extension (RE) biases. However, they focused on numerical analysis for the existing heuristic eICIC schemes, which are the baselines of this paper. In =-=[12]-=-, the authors proposed an algorithm for victim pico user partition and optimal synchronous ABS rate selection. However, they used a universal ABS rate for the whole network, and as a result, their sch... |

3 |
Gjendemsjo et al., “Adaptation, coordination, and distributed resource allocation in interferencelimited wireless networks
- Gesbert, Kiani, et al.
- 2007
(Show Context)
Citation Context ...et. There has been much research conducted on RRM optimization for traditional cellular networks. In [1], [2], the authors considered power and user scheduling in single-carrier cellular networks. In =-=[3]-=-, [4], the game theoretical approaches are proposed for distributed resource allocation. In [5], the authors proposed a dynamic fractional frequency reuse scheme to combat the inter-sector interferenc... |